If you want to find conveyor equipment manufacturers china,please choose Tongxiang.We supply high quality conveyor belt and conveyer roller.We have dcades of experience for good quality.Today we introduce the advantages and disadvantages of 3 belt conveyors.The industrial belt material can be divided into PVC (polyvinyl chloride), PU (polyurethane), PE (polyolefin), Si (silica gel). Here we do some analysis of the advantages and disadvantages of these conventional materials.
Advantages of PVC belt conveyor:
1. Economical, the price of the conveyor belt in the actual use of the process to take into account the cost of use, so we must consider the economy;
2. Easy processing, PVC is relatively easy to process in the processing process, good plasticity;
3. Acid and alkali resistance, polyvinyl chloride chemical stability, there is a certain resistance to weak acid and weak alkali.
Disadvantages:
1. Low hardness and no wear resistance. PVC belts have poor wear resistance during use. This is the reason why some equipments need to use PUs for selection.
2. poor oil resistance, PVC conveyor belt should not be used in food machinery and other places where edible oil or machinery oil.
Advantages of PU belt conveyor:
1. High hardness and wear resistance. The surface hardness of PU conveyor belt can reach 80-90, which has the advantages of wear resistance and cutting resistance.
2. good oil resistance, PU conveyor belt is particularly widely used in the food industry, edible oil machinery oil will not have a great impact on its service life;
3. over the roller is good, said over roller performance here refers to the use of the conveyor belt will rarely produce beating;
4. food grade, PU conveyor belt because of its characteristics in food has a very wide range of applications, pasta machinery, fried foods.
Disadvantages 1. expensive, relative to the PVC conveyor belt to talk about the price of PU conveyor belt is relatively expensive, so in the selection may take into account the cost of production;
2. weak acid and alkali resistance, relative to PVC conveyor belt to talk about PU conveyor belt is relatively weak on the acid and alkali resistance.
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Advantages of PE belt conveyor:
1. food grade, this is a selling point of PE belt, it is absolutely in line with food grade, combustion produces water and CO2;
2. good resistance to pyrolysis, chemical stability, good heat resistance;
3. decomposition is non-toxic, PE is not only decomposed and non-toxic, but also relatively easy to decompose.
Disadvantages:
1. Low hardness and non-abrasiveness. PE tapes are used in the food industry and pharmaceutical industry, and should not be used in other industries.
Advantages of Si belt conveyor:
1. food grade, this feature is an important reason for its use in the food industry;
2. high temperature, silicone with conventional can withstand high temperatures of 100-500 degrees, chemically stable
3. anti-sticking, silicone with non-stick sugar, chocolate and other high sugar content foods.
Disadvantages:
1. expensive, silicone tape is relatively expensive compared to the ordinary conveyor belt;
2. the hardness is low, so that some conveyor belts in the oven are mostly used Teflon mesh belt,cloth;
3. poor roller quality, silicone tape without lateral stability, relatively soft material.
We are proud of our belt conveyor idler roller.Reliability, Professionalism and Commitment and believe that all three areas are equally important to ensure the long-term success of your overseas purchasing program.
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Post time: Sep-29-Advantages and disadvantages of belt filter press
Advantages
1. Belt filter press can process special sludge,
Some sludge, for example: railway, oil and sludge produced by treating wastewater with diatomite. Other types of filter presses cannot process well, and belt filter press can achieve good results.
2. Low energy costs
Under the same circumstances, the belt filter press has the same treatment effect as other filter presses, but the water consumption and power consumption is only 1/3 of other equipment.
3. Small space occupation
Due to the special structure, the belt filter press occupies only 1/2 of the equipment. Buit achieves the same treatment effect as other filter presses.
4.Stable operation and long service life
The filter belt with machine has high strength and short length. Because of the special adjustment structure, it is not easy to damage. The filter belt has long service life and stable operation. High-strength stainless steel bearings are used instead of conventional carbon steel bearings. The corrosion resistance is greatly improved and the service life of the equipment can reach 10 years.
5.Easy operation
Due to the simple structure and reasonable design, the operation of the belt filter press is not as complicated as other filter presses, even ordinary workers can operate it.
6.Continuous operation
The belt filter press does not operate intermittently like other filter presses. The belt filter press guarantees continuous operation for 24 hours.
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Disadvantages:
1.It’s suitable for high sludge moisture content
2.Maintenance is difficult.
Belt press and filter press are the most commonly used sludge dewatering equipment, which are to reduce the moisture content of sludge, sludge volume, so as to achieve dry sludge discharge. They are widely used for the filtration separation of solid-liquid mixture produced in muddy water, urban sewage treatment, food processing, petrochemical, metallurgical manufacturing, mining, metal forging, pharmaceutical and pharmaceutical, electronics, chemical and other industries.
Belt press is a device for constructing solid-liquid separation by the tension of track. The dehydration process can be divided into four important steps: pretreatment, gravity dewatering, wedge zone pressure dewatering and press dewatering. Conducive to materials with dissolved taste or gas, bright flow exhaust liquid.
Filter press is a machine that takes pressure from pump to build solid-liquid separation, which is widely used in sludge dewatering projects in Europe and America. The filter plates and filter frames are arranged into a filter chamber, and under the pressure of feed pump, feed liquid is sent to each filter chamber, and the solid medium and liquid are separated by the filter medium.
Belt press: continuous dewatering
Filter press: Intermittent dehydration
The main difference: filter power
Sludge dewatering belt press is composed of a sludge layer sandwiched between upper and lower tensioning belts, and passes through a series of regularly arranged roller cylinders in an S shape, and relies on the tension of filter belt itself to form a squeeze layer on the sludge layer. The pressing and shearing force squeezes out the capillary water in sludge layer to achieve sludge dewatering.
Filter press is an intermittent solid-liquid separation device. The sludge pumped by high-pressure pump is squeezed through the plate frame, so that water in sludge is discharged through filter cloth to achieve the purpose of dehydration. At the same time, it is also possible to carry out the solid-liquid separation of the mud cake, such as washing, damp and other auxiliary processes. The airtightness is very good and it is possible to construct an undercurrent exhaust gas.
Belt presses are generally used in sludge dewaterning treatment, large sewage treatment plants, waterworks, etc.
Filter presses are generally used for sludge dewatering in mining, especially for where required high dewatering effect, to reduce sludge volume and reduce post-treatment costs.
Belt filter press advantages:
1. large processing capacity, high dewatering efficiency
2. Running continuously, easy management;
3. Long service life, low auxiliary equipment and low energy consumption.
Belt filter press disadvantages:
1. Large amount of flocculant used together, high operating cost;
2. Large water content of mud cake than chamber filter press.
Chamber filter press advantages：
1. Filter cake has a low moisture content and generally does not exceed 30%;
2. High solid content;
3. Less flocculant used.
Chamber filter press disadvantages:
1. Work efficiency is relatively low because of the intermittent operation;
2. Need to change the filter cloth regularly.
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