2022年12月22日星期四

What is the process flow of coal washing plant? What equipment is needed for coal washing?

 What does a coal washing plant do?

Coal washing: In order to remove the gangue in the coal, in order to prevent it from melting and agglomerating during high-temperature combustion, it is easy to block the furnace or other combustion facilities, and it does not burn to reduce the heat of combustion and affect the efficiency. The inferior coal is washed away to obtain clean coal.

What Coal Washing Machine is needed for coal washing?

Gravity separation equipment includes: heavy medium separator, heavy medium cyclone

Flotation equipment includes: flotation machine, flotation column, flotation bed, pulp preprocessor

Dehydration equipment includes: centrifuge, pressure filter, filter press, media removal screen

Others: magnetic separator, air dryer, air compressor, pump, curved screen, belt, scraper machine, classifying cyclone, TBS, disturbing bed, spiral separator, jig

In fact, it is related to the process flow, for example: xx tons of raw coal is selected annually, and the technical process is that after desliming of 50-0mm raw coal, it is sorted by a dense medium cyclone without three products, the coarse coal slime is sorted by TBS, and the fine coal is sorted. Combined washing process of coal slime flotation and tailing coal thickening and pressure filtration. Its main equipment is: non-pressurized three-product dense medium cyclone, flotation machine, clean coal separation screen, magnetic separator, pressurized filter, quick-opening diaphragm press, thickener, etc.

What is the process flow of coal washing plant?

Coal processing, gangue treatment, material and equipment transportation constitute the mine surface system. Among them, the ground coal processing system consists of coal receiving, screening, crushing, beautification, storage, loading and other main links. It is the main body of mine surface production.

Coal receiving means that there is a coal bunker with a certain capacity near the wellhead to receive the coal lifted from the underground to the ground to ensure balanced and continuous production from the top to the bottom of the wellhead.



to sieve

The operation of dividing the mixture of different particle sizes into various particle poles with a screen surface with holes is called screening. The machine used for drying is called a sieving machine or a sieve.

In coal preparation plants, screening operations are widely used for raw coal preparation and processing. According to different sieving methods, it can be divided into dry sieving and wet sieving.

broken

The process of crushing large pieces of material into small particles is called crushing. The machine used for crushing is called a crusher. The crushing operation in the coal preparation plant mainly has the following requirements:

1) Adapt to the requirements of the selected particles; the coal particles that the selection machine can handle have a certain range, and the large pieces that exceed this range must be crushed before washing.

2) Some coals are mixed with gangue. In order to select clean coal, it needs to be broken into smaller particles to separate coal and gangue.

3) Satisfy the user's particle requirements, and quickly crush the selected product or coal to a certain particle size

Materials are mainly crushed by mechanical methods, including crushing, chopping, breaking, crushing, and grinding.

coal preparation

It is to use different physical and physical-chemical properties from other substances to mechanically remove the impurities mixed in the raw coal in the coal preparation plant, and divide it into products of different quality and specifications to meet the needs of different households.

According to the location of the coal preparation plant and the closeness of the coal mine, the coal preparation plant can be divided into: mine coal preparation plant, group mine coal preparation plant, central coal preparation plant and user coal preparation plant; most of the existing coal preparation plants in my country are mine coal preparation plants. A modern coal washing plant is a continuous mechanical process consisting of many operations.

Jig coal preparation

The coal preparation process is carried out according to the particle density difference in the vertically pulsating medium. The medium of jigging coal preparation is water or air, and some suspensions are also used. Hydraulic jigging is the most used in coal preparation.

The jig machine is a device that uses the principle of jigging to separate the selected raw materials into clean coal, medium coal, gangue and other products according to their density.

Dense medium coal preparation

In a medium with a density greater than 1g/cm, coal preparation is carried out according to the size difference of particle density, which is called dense medium coal preparation or dense medium coal preparation. There are two types of heavy medium used in coal preparation: heavy liquid and gravity separation floating liquid. The main advantage of dense medium coal preparation is the high separation efficiency compared with other coal preparation methods; the selection range is wide, the feed size of the separator is 1000-6mm, and the cyclone is 80-0.15mm, and the production control is easy to automate. The disadvantages of dense medium coal preparation are complex production process, high production cost, fast equipment wear and heavy maintenance.

Dense medium coal preparation is generally selected by classification. Separation of lump coal is generally carried out with a heavy medium separator under the action of gravity; separation of fine coal is carried out with a heavy medium cyclone under the action of centrifugal force.

storage

Coal storage bunker: A coal bunker with a certain capacity is set up to adjust the imbalance between production, transportation and sales, and ensure the normal and balanced production of mines and transportation departments. loading stage.

2022年11月10日星期四

Application Guide for Slurry Pumps – How To Use Slurry Pumps Efficiently

Slurry pumps are dominantly popular for their robust construction and the ability to work under strenuous situations. The process industry mainly works with centrifugal pumps and the ratio between slurry and other pumps for liquid is nearly 5:95. But if you take a look at the operating costs for these pumps, the ratio turns nearly upside down with 80:20 which explains the wide popularity of slurry pumps.

 

ZJ Series Electric Slurry Pump

 

Introduction To Slurry Pumps

A slurry pump is a unique type of a pump which is used to handle slurry. Contrary to water pumps, slurry pumps are heavy-duty constructed and undergo more wear and tear. Technically, slurry pumps are a heavy and robust version of centrifugal pumps that have the capability of handling abrasive and tough tasks. As compared to other pumps, slurry pumps have a much simpler design and construction. Despite an elementary design, slurry pumps offer high endurance and strength under harsh conditions. These forms of pumps play a crucial role in various industries. They are fundamental to all wet processes.


What is Slurry?

In principle, it is possible to hydro transport any solid. Particle size and shape, however, may act as limiting factors based on whether they can pass through pump tubes without creating blockages. Under the broad category of slurry, there are 4 major classifications that can help you identify a suitable type of slurry pump that fulfills your demands and meets your business requirements.

• Type 1:Mildly Abrasive

• Type 2:Slightly Abrasive

• Type 3:Significantly More Abrasive

• Type 4:Highly Abrasive
If you want to move highly abrasive type 4 slurries, the ideal choice would be Oil sand pumps. The ability to handle high volumes of slurry and the enhanced withstanding capability is what gives an edge to slurry pumps. They are specifically designed to hydrotransport large-particle solids and ensure better wear performance in rough conditions.

 

Four centrifugal slurry pump types

Although centrifugal slurry pumps are widely known for their uses in oil sands, many of them have additional uses as well.
• Hydrotransport— Hydrotransport pumps are used for plenty of applications because moving slurry is hydrotransport. The ideal way to use these slurry pumps is with water-based solutions. They are mostly used in industries which require dredging.
• Tailings Transfer— Tailings Transfer pumps are the perfect type of pumps to transport tailings or finer abrasive materials resulting from hard rock mining, such as fragments of mud and ore, as well as related chemicals used in the mining process.
• Cyclone Feed— Cyclone feed pumps, like tailings pumps, are also used in hard rock mining and are comparable to hydrotransport pumps as they are also used in dredging operations. These forms of pumps are used at all stages of scalping and separating solids by particle size.
• Flotation Froth— A slurry pump can also be used for transporting froth, however the air trapped in the froth can negatively impact the pump’s performance. Even though slurry pumps are built with a sturdy construction, the air contained in the froth can damage the pump and shorten its life. But, with proper preventive measures of centrifugal pumps, you can reduce the wear and tear of the pump.

>> Shop for our slurry pumps here

 

Working principle

Slurry pumps have a simple and robust construction. The working principle of a slurry pump is relatively much simpler and easier to follow than other pumps.
The slurry enters the pump through the rotating impeller which imparts a circular motion. The slurry is then pushed outwards by the centrifugal force and moves between the blades of the impeller. The slurry picks up speed by the time it hits the impeller’s edge. Its high-speed energy is converted into pressure energy in the casing.
With the assistance of centrifugal force, the pumps boost the pressure of a liquid and solid particles transforming the electrical energy to kinetic energy to pump the slurry. This system allows pumping of light slurry liquids easily without much hassle and keeps it maintenance free.


Benefits of Slurry Pump for Industrial applications

• Easy maintenance

• Low capital costs

• Simple mechanism

• Robust machinery

• Stainless steel material to reduce wear and tear

 

slurry pump

 

Selection of Slurry Pump

The selection of the right pumps for specific slurries can help pump owners avoid unnecessary repairs, maintenance, related downtime and wear of the machinery. In addition to this, proper pump selection and application helps create a safer work environment for employees, ensuring a secured workplace where they can work easily without worrying about life threatening conditions in case of an improper installation. The best slurry pumps to choose for your business is the one that serves your purpose. Choosing a slurry pump depends on many factors. While selecting a slurry pump for your company, you have to analyse pump curves to identify the best option. One of the most important things to remember while selecting a slurry pump is to make sure to choose a pump that can operate as slowly as possible to reduce wear, bust fast enough to move the slurry through it efficiently without settling or clogging in the pipes. Given that these pumps have high endurance and longer wear lives, they can be used across different industries for a wide range of purposes. The most used method for selection of slurry pumps is to calculate the Total Dynamic Head for the particular application: Total Dynamic Head = Head due to friction loses + Static Head – Head due to submergence

If you are still confused about which pump to choose for your business goals, feel free to reach out to us at sales. With experience of working with centrifugal pumps in the industry and a team of professionals on board, we help businesses design and implement their strategic goals. Right from identifying the ideal pump for your company, to installing it, running regular performance checks, evaluating its efficiency levels for detection of faulty components, and helping with as simple or as complex issues, we will help you do it all.

 

Metallic & Industrial Minerals

► Pumps for grinding circuits

For particles with size below 5mm, it is recommended to use a rubber slurry pump. If possible, mix flows that contain fine and coarse particles together for enhanced stability of the slurry.

• Pumps for froth

This range is specially built for froth pumping. Slurry pumps that are used for froth pumping often undergo severe abrasion and damage caused due to the air trapped in the froth, but we ensure that proper preventive measures are taken to avoid any faulty elements or decreased output efficiency.

• Pumps for tailing

Depending on the particle size of the slurry, both metal and rubber pumps can be used for tailing. To know more about how to choose an ideal slurry pump for your organization, you can talk to our professionals who can carry out an on-site inspection, note down all your requirements and help you in choosing the right pump for your business needs.

• Pumps for pressure filter feed

Choose a high head pump with variable speed control for pressure filter feed. Avoid using rubber due to the low flow head build up.
Pumps for tube press feedMetal pumps are more suitable for tube press feed as they have a high head with small flow. One slurry pumps can feed multiple tubes using a slurry distribution ring.

• Vertical and Horizontal Slurry Pumps for hydrocyclone feed

Tank pumps are considered as dry installed pumps, they are a kind of vertical slurry pumps that can be effectively used for dewatering cyclones. For a sharp classification, you can use horizontal slurry pumps which are often called as dry mounted because the drive unit and the hydraulic end are located outside the sump.

• Pumps for floor sumps

Slurry pumps can also be used for floor sumps. Make sure to use pumps with metallic wear parts, as there is often a risk for oversized tramp material coming into floor sumps. However, if rubber must be used, put a strainer either in front of the pump or around the pump.

► Construction

• Pumps for wash water (sand and gravel)

Usually, vertical pumps are more preferable for wash water but you can also use horizontal pumps of a suitable range that serves your purpose.

• Pumps for sand transportation

Slurry pumps are heavily used for sand transportation. The ideal choice is mostly horizontal pumps with rubber lining.

• Pumps for tunnel dewatering

Since the front pumps use drainage pumps, the best choice for the initial transportation stage is vertical pumps. But, the selection of a slurry pump for tunnel dewatering depends on multiple factors such as cuttings from full-face boring, horizontal distant pumping, small tunnels, etc.

► Power & FGD

• Pumps for FGD reactor feed (lime)
You can use slurry pumps with either rubber and/or metal parts. They perform extremely well in FGD reactor feeds.

• Bottom ash pumping

Because of the high temperatures involved, metal slurry pumps are preferred over rubber pumps. The sturdy built of the pumps allows it to withstand strong temperatures with minimal damage and abrasion.

• Fly ash pumping

There are high chances of oil contamination in the process of ash pumping. Metal slurry pumps are used over rubber for this application as they lower the risk of oil contamination. However, if rubber must be used, look for any other oil or chemicals that are not reactive with rubber.

 

AH Series Slurry Pump


► Waste and Recycling

• Pumps for effluent handling
Go for metal pumps for effluent handling of the waste and recycling materials. You can use either vertical or horizontal slurry pumps, as per your needs.
• Hydraulic transportation of light waste
Prefer using horizontal slurry pumps with vortex-induced flow impellers.
• Pumps for soil treatment
Slurry pumps are highly efficient in soil treatment. Owing to their robust construction, they can withstand extreme temperatures and rough climate change as well.

► Chemical

• Pumps for acid slurries

The ideal suggestion of slurry pumps for dealing with acid slurries is horizontal pumps with rubber or stainless steel.

• Pumps for brines

Brines are usually highly abrasive and can potentially damage pumps, this is why slurry pumps are the best option to choose when working with brines. Substances like polyurethane can be used to prevent crystallization on the pump parts.

• Pumps for caustics

Both rubber and metal slurry pumps can be used for working with caustics as it is an easy and light application.


► Mining

• Pumps for hydraulic backfilling

Keep a close watch for any deslimed tailings. You can use metal slurry pumps with metal or rubber parts for hydraulic back filing with or without cement.

• Pumps for mine water (with solids)

For mine water, use horizontal slurry pumps. Make sure you take preventive measures to avoid corrosion in the slurry pump as it can reduce the efficiency of the pump and damage its components.
 

► Pulp & Paper

vPumps for liquors

Slurry pumps are well suitable for liquors, however, rubber is not recommended due to the risk of turpentine.

• Pumps for lime and caustic mud

Working with lime and caustic mud involves high temperatures which can be tolerated by slurry pumps. Since the temperatures are high, it is recommended to use metal slurry pumps instead of rubber.

• Pumps for reject pulp (containing sand)

Usually, this requires light duty pumps, but it is advised to use metal slurry pumps that can handle heavy flow and provide strong support to the slurry passing through it.

• Pumps for solids from debarking

Use metal slurry pumps with induced flow impeller for sand and bark as they have the potential to cause heavy abrasion.

• Pumps for hydraulic transportation of wood chips

The best option to use for hydraulic transportation of wood chips is induced flow pumps.

• Pumps for paper filler and coating slurry

Avoid using rubber pumps as they can cause color contamination which can affect the entire production. Instead, go for metal slurry pumps that can be easily used for paper filler and coating slurry.

 

Takeaway

Slurry pumps are widely popular pumps that are used for handling robust and difficult tasks as they have sturdy construction. They can work efficiently in harsh conditions and are widely used across different industries for plenty of applications. Slurry Pumps can be used in the following industries:

• Metallic & Industrial Minerals

• Construction

• Power & FGD

• Waste and Recycling

• Chemical

• Mining

• Pulp & Paper

If you want to know more about how to select the best centrifugal pump for your business needs or need an extra hand with the maintenance of your pumps, Fengwang is here to help you.

2022年10月29日星期六

What Are the Sieve Techniques of Linear Vibrating Screen?

The linear vibrating screen utilizes a vibrating motor as the resource of vibration, to ensure that the material is thrown up on the screen while moving forward in a straight line. The material gets in the inlet of the screening machine evenly from the feeder, as well as creates data via the multi-layer screen. The oversieve as well as undersieve of various specs are released from their particular electrical outlets. It has low power consumption, high outcome, simple structure, simple maintenance, completely confined framework, no dust spillage, automated discharge, and is better for production line procedures. So do you know what are the sieving approaches of the linear vibrating screen? Let me describe it to you next. In the sieving process of materials, the powder example is gone through a series of standard filters with different filter holes, separated into several fragment grades, and also evaluated individually. The bit size distribution expressed as a mass percentage is called the screen analysis technique That is, screen analysis, the objective of which is to determine the particle size structure of the material. There are three common screening approaches; these three screening approaches can approximately meet the screening needs of users for different materials. The linear vibrating sieve analysis approach can be split into several kinds, such as dry sieving, wet sieving, hand sieving, dry and also wet mixing, mechanical sieving, air jet sieving, acoustic sieving, panning sieving and self-organizing sieving. And so forth, the outcomes of screen analysis commonly use frequency distribution as well as collective circulation to share the bit size distribution. There are numerous techniques pointed out above, it depends on which material the customer screens, so as to pick the suitable screening method, but the more generally used are the initial three, let's take a look together next.

未标题-7.jpg

1. Dry sieving technique

The so-called dry sieving approach, as the name indicates, is to determine the difference between the amount of the sieving balance and also the bottom stock of each sieving meter as well as the complete dry mass m0 of the example prior to sieving, as the loss during sieving, as well as determine the loss price. A particular weight of powder sample in the filter is used to make the fine powder pass through the filter with the help of mechanical vibration or hands-on tapping till the sieving is finished. The filter residue of the powder sample is determined according to the weight of the residue on the screen and also the weight of the sample. When establishing the particle size circulation, dry sieving is generally used.

 

2. Wet screen technique

Place a particular weight of powder sample in the sieve and clean it for a specific time period with a suitable diffusion water stream (with a specific water pressure), and afterwards the sieving is complete. According to the weight of the sieve deposit as well as the weight of the sample, the wet filter method is used to obtain the filter deposit of the powder example. If the sample consists of a lot more water and the particles have solid cohesiveness, wet sieving must be used (the accuracy is more than that of dry sieving), especially for materials with finer particles. If it is enabled to blend with water, it is best to make use of wet sieving. Due to the fact that the wet approach can protect against really great bits from sticking to the sieve holes as well as obstructing the sieve openings. In addition, the wet approach is not affected by the material temperature and atmospheric humidity, and also the wet technique can also improve the operating problems. Therefore, the wet approach and the thousand approach have been provided as the nationwide standard approach for the resolution of the fineness of concrete and also resources.

 

3. Integrated screen evaluation of wet and also dry

Integrated dry-wet filter evaluation is to integrate the two methods and also select the best. When the material has a lot more water as well as mud, and also the materials are adhered to each other, the combined dry-wet filter evaluation method ought to be used, and the outcomes acquired by the sieve evaluation are a lot more accurate. The specific method is to pour the example right into a fine-hole sieve and screen it in a basin having water. Modification the water in the basin every 1 to 2 minutes till the water in the basin is no longer turbid. The material on the screen is dried out and also evaluated, as well as the top quality of the washed penalty mud is determined based on the difference between the evaluated mass and also the mass of the initial sample.

 

The three screening techniques pointed out above usage basic equipment and also very easy operation, yet the screening results are easily affected by the shape of the particles. The size of the particle size circulation is fairly rugged. When the lower limit of the examination exceeds a specific value, the screening time will certainly be decreased. Expanding, it is simple to block the screen. For that reason, when screening, the bit size of the material need to be changed as much as feasible to stay clear of the material from blocking the screen.

 

Fengwang for All Your Needs

Whether you choose linear or circular movement while selecting a vibrating screen, we've got you covered with high quality products at Fengwang. Our products have been relied on as well as re-ordered by leading firms around the globe over and over again. Discover why-- request a free quote now. If you have inquiries regarding how the vibratory screener or sieve process works with our equipment, submit our speak with an experienced form and a rep will aid you.

 

2022年10月17日星期一

What Benefits Do We Get From Coal Washing Machines?

 Coal Washing Machine

 

What is coal cleaning?


Relying on its high quality, coal needs to be "cleaned" with water and also chemicals to remove sulfur and also contaminations prior to it can be melted in a power plant. Coal washing, or coal beneficiation, is widely seen as an efficient method for obtaining one of the most from run-of-mine coal. On the other hand, it is a water-intensive process: generally, washing one ton of coal consumes regarding 45 m3 liters of water. As environmental policies tighten up, mechanical mining raises pollutants in run-of-mine coal, and manufacturing rates continue to rise, there is a constant demand for improving coal top quality.

 

Why do you need a coal washing machine?

 

Today, coal provides a 3rd of all power made use of worldwide as well as composes 38% of electricity generation. Additionally, sectors such as iron & steel, cement, fertilizers, and also pulp & paper rely upon coal for their procedures as well as power needs. Given the position of coal in the worldwide power structure and the reputable ecological problems related to it, the production of clean coal technologies is vital to complete both efficient energy production as well as a reduced ecological footprint. This is where coal cleaning is available in.

 

Benefits of coal washing


1. The process of coal washing decreases carbon dioxide and also transforms them into a rich supply of residential power. This will certainly not only reduce the harmful emissions from burning coal but also convert it right into a rich supply of power.
2. Cheaper and far better alternative to natural gas and various other sorts of fuels as it is so affordable to establish a brand-new coal plant altogether. Coal is a more affordable and more generously discovered fossil fuel when contrasted to others. It is elder than other types of eco-friendly power plants, which allows making use of clean coal for residential objectives.
3. Clean coal can also be achieved by an approach of filtering. In this process, filters are installed on exhausts to catch the greenhouse gases when coal is melted. The gaseous discharges from melted coal are saved underground.

 

Coal Washing Process

 

Coal washing is completed by a couple of significant procedures, thickness splitting up or froth flotation. Both processes depend upon the reality that the particles of which a coal sample is made have different thickness. When water is added to the example, fragments sink to various depths relying on their densities. The numerous components of the example can be divided from each various other. A number of tools and systems have been created for extracting the numerous elements of coal once they have actually been divided with water therapy. Among these gadgets is the jig. In a jig, the column of water is maintained in a continuous up-and-down movement through a flow of air. Tidy coal fragments are carried to the top of the jig by this movement, while heavier refuse fragments sink to the bottom.


We are a coal cleaning machines supplier, please do not hesitate to contact us if you require them.

2022年10月6日星期四

Why Should Coal Be Washed?

 coal washer

Coal Washing Machine

Why Should Coal Be Washed? Coal from coal mine is a complex material mixture with multiple physical properties. In addition to coal itself, this mixture also contains rocks, sand and various minerals. Therefore, coal must be cleaned before being sold to consumers. The cleaning process includes a series of steps, and finally produces products that are particularly suitable for specific consumer needs. The earliest of these steps is crushing and sorting. These two processes can reduce coal to the form required by consumers.

The coal washing plant has improved the coal washing process and quality, thereby increasing the price. Coal washing technology also helps reduce emissions from combustion.

 

How to wash coal?

There are two main coal preparation methods, one is density separation and the other is froth flotation. Both processes depend on the fact that the particles from which the coal sample is made have different densities. For example, when water is added to the sample, the particles will sink to different depths according to their density. In this way, the various components of the sample can be separated from each other.

Coal cleaning is a process by which impurities such as sulfur, ash, and rock are removed from coal to upgrade its value. Coal cleaning processes are categorized as either physical cleaning or chemical cleaning. Physical coal cleaning processes, the mechanical separation of coal from its contaminants using differences in density, are by far the major processes in use today. Chemical coal cleaning processes are currently being developed, but their performance and cost are undetermined at this time. Therefore, chemical processes are not included in this discussion.

The scheme used in physical coal cleaning processes varies among coal cleaning plants but can generally be divided into four basic phases: initial preparation, fine coal processing, coarse coal processing, and final preparation.

In the initial preparation phase of coal cleaning, the raw coal is unloaded, stored, conveyed, crushed, and classified by screening into coarse and fine coal fractions. The size fractions are then conveyed to their respective cleaning processes.

Fine coal processing and coarse coal processing use similar operations and equipment to separate the contaminants. The primary difference is the severity of operating parameters. The majority of coal cleaning processes use upward currents or pulses of a fluid such as water to fluidize a bed of crushed coal and impurities. The lighter coal particles rise and are removed from the top of the bed. The heavier impurities are removed from the bottom. Coal cleaned in the wet processes then must be dried in the final preparation processes.

Final preparation processes are used to remove moisture from coal, thereby reducing freezing problems and weight and raising the heating value. The first processing step is dewatering, in which a major portion of the water is removed by the use of screens, thickeners, and cyclones. The second step is normally thermal drying, achieved by any one of three dryer types: fluidized bed, flash, and multilouvered. In the fluidized bed dryer, the coal is suspended and dried above a perforated plate by rising hot gases. In the flash dryer, coal is fed into a stream of hot gases for instantaneous drying.

The dried coal and wet gases are both drawn up a drying column and into a cyclone for separation. In the multilouvered dryer, hot gases are passed through a falling curtain of coal, which is then raised by flights of a specially designed conveyor.

 

Purpose of coal washing equipment:

1. Reduce water and energy-intensive coal production

The coal washing program includes factory installation and independent modules to optimize beneficiation capacity. In other words, this means maximizing the ore recovery rate while using less water, energy or other consumables in the process.

Another important feature is water conservation. By enhancing water conservation, zero discharge of wastewater and reducing carbon emissions, this solution helps to achieve a more sustainable process.

2. A more sustainable process helps reduce operating costs

To meet the needs of customers for greater flexibility and efficiency in terms of sustainability. Our philosophy is to provide comprehensive solutions for the industry.

 

Structural characteristics of coal washer:

1. Standard length valve body can be used, and the combined shape can be selected according to needs.

2. Coal washing technology-the use of CNC pneumatic valve, high degree of automation of coal washing.

3. Coal preparation method-double-amplitude pulsed water flow, good bed stratification effect and high clean coal yield.

 

We are a coal washing equipment supplier. If you are interested in our products, please contact us now!

2022年9月26日星期一

Benefits Of Vibrating Screens

 Vibrating screen is one of the main types of industrial screening equipment. There are several mechanical screening solutions in the solid waste management, recycling, and polymerization industries; however, vibrating screens provide many unique advantages that make them the first choice for various industrial applications.

Read on to learn more about how vibrating screens work and their benefits over other common types of screening equipment.

 

What is a vibrating screen?

As the name implies, the design of the vibrating screen is based on the principle of transmitting vibration to the screening surface in order to separate and classify different particles according to their size.

Regardless of the design of the machine, the principle is the same: vibration breaks the surface tension between particles, thereby forcing them to separate. Particles that are too small, so-called "fines", pass through the screen. At the same time, oversized particles are carried through the screen surface. This is an important application in many industries, especially mineral processing.

What are the benefits?

Due to its unique design features, the vibrating screen has special advantages over other material processing equipment, including:

• Improve processing and material quality

• Low operating cost

• Reduce maintenance and downtime

• High screening efficiency

 

Vibrating screen

Vibrating screen

We will explain these benefits in further detail below.

• Improve processing and material quality

Although certain screening equipment is more suitable for different materials, vibrating screens have many advantages in the processing of aggregates and mining materials. The equipment of the vibrating screen is particularly sophisticated to meet the fineness requirements of these industries. Their design can generate the force required to separate large particles from fines, thereby making the product easier to recycle—even when processing materials that require significantly smaller particle size separation. This leads to higher yields and an improvement in the overall quality of the final product.

• Low operating cost

The vibrating screen is famous for its sturdy design. Because the working principle is relatively simple, and the design of modern machines is streamlined, vibrating screens are generally bought less than other types of screens. This resulted in lower upfront investment.

In addition, compared with more complex machinery, the vibrating screen can run with lower energy consumption, thereby saving the company's continuous operating costs. Finally, because the high-frequency vibration is directly transmitted to the screen surface, only the media on the screen surface needs to be replaced regularly. This can help save the maintenance and repair costs that other screening equipment often constitutes.

• Reduce maintenance and downtime

Maintenance and downtime caused by repairs or equipment failures can result in significant losses in productivity and profits. Many types of screens have experienced severe wear, especially in demanding applications such as aggregate processing. However, the vibrating screen offers the advantage of less maintenance and downtime. This is the result of their design, the center of which is to only transmit the exciting force to the screening surface.

In addition, high-quality vibrating screening equipment is designed and manufactured to minimize the impact of other parts of the machine by the exciting force. In more complex designs, the structure of the machine allows sufficient absorption and suppression of vibrations other than the screen media. This results in fewer moving parts and less wear, further reducing downtime and maintenance.

• High screening efficiency

Although there are various screening equipment on the market, when a simple solution is needed that can handle higher feed flow rates, vibrating screens provide an ideal choice. In fact, the vibrating screen has the highest working efficiency and the flow rate is always higher. For other types of screening equipment, the same material throughput may result in blind screening or material backflow, requiring a slower feed.

We are vibrating screen suppliers. Please feel free to contact us if you are interested in our products.

Slurry Pumps VS. Water Pumps: Why Do I Need A Slurry Pump?

  When it comes to slurry transportation, familiarity with pumps and their parts is par for the course. However, it's also important to ...