As we know, the raw coal is mixed with many impure substances, after the coal washing in coal preparation plants, which can be divided into coal gangue, medium coal, grade B clean coal, and grade A clean coal, then used in various industrial usages.
But why we need to do this work?
The main reasons as following:
1. Improve coal quality and reduce...
Generally, the flue gas need to be filtered from thermal power plants which is mean the flue gas from their boilers (can be coal fired, oil fired, bio-mass fuel fired boilers and so on). Due to the exhaust gas include SOx, NOx, CO, CO2, as well as some fine ashes, so which is very easy to get an acidic circumstance, this is the main reason for us to choose the PPS filter bags...
For keeping the road building works continuously, the asphalt temperature always keeping at a higher side, so how to choose the filter bag for asphalt concrete mixer is very crucial.
As usual, when the temperature of dust air from the asphalt concrete mixer more than 120 degree C, we will suggest our clients to choose the aramid filter bags...
The filter cloth with PTFE membrane which collect the dust is a kind of surface filtration, the surface is smooth which very good for bag purging works, so it’s not easy to be blocked even filter the ultra-tiny dust and wet dust, so the average resistance is lower when compared to the normal filter materials...
Dust filter bags as the key part for the dust filter houses, how to get the most suitable dust filter bags for the different filter houses with the lowest cost but perfect performance is very important for the maintenance staff in cement plants. Due to the dust collectors in cement plants will be equipped from the raw meal preparation works to the final cement mills...
And the filtering process will be requested for sugar slime concentrating after the clarification, sugar juice filtration (after CO2 insert), syrup purification, crystal dewatering processing (centrifuge filters) and the waste water processing, such as and sugar cane and sugar beet washing water processing, filter fabric washing water processing, sediment dewatering...
The general issues and precautions for the use and maintenance of pulse jet bag filter will contain three aspects: First, discharge excessive dust pollutions;
Second, the pressure of filter is much higher then normal one;
Third, the service time of the filter bags is much shorter than usual....
As the dust collection technology develops, more and more dust collecting methods be invented and improved, because the advantages of high filter efficiency and stable lower dust emission, the bag style dust filters is the most popular dust filters nowadays, and the pulse jet bag filter house is the most popular bag filters due to the broad adaptability....
In daily maintenance, there always be some problems in bag filter houses, more or less. The filter bags as the heart of the bag filter system, the working state of them is effect directly to the filter performance of the whole filter system, here we listed some typical problem of the filter bags, if there is any problems on your filter bags in your bag filter houses, just feel free to contact Zonel Filtech, we will offer you the professional solutions!...
With the advantages of big air volume, lower resistance, with a excellent purging performance, also can help to desulfidation and defluorination, with a high filter efficiency, so the pulse jet bag filter house is one of the most popular dust collectors in the market....
The air pollutant from cement production mainly are dust and flue gas.
The dust mainly comes from the following procedures:
1.the raw materials preparation
A.CaCO3 crush.
B.Clay drying
C.Coal grinding and feeding.
D.Raw meals grinding.
2.Clinker burning system will exhaust much dust air.
3.The finish production processing:
A.The cement mills...
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