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How many types of bag filters are there?

2023-01-13 Page view : 9 views

As filter consumables, filter bags are widely used in industrial production with large demand and good market prospects. In different industries, the types of filter bags required vary. Let’s learn about the types of filter bags.

Types of bag filters

If the filter bag is divided according to its shape, it can be divided into flat bags and round bags.

If it is divided according to the filtering method of the filter bag, there are two types: external filtering and internal filtering.

Liquid filter bag consumables can generally be divided into nylon, stainless steel, non-woven fabric and oil-absorbent cotton. The filter bag can also be divided into four types, such as nylon filter bag.

Particle filter bag, colloid filter bag and oil filter bag are classified according to the product type of liquid filter bag.

If the filter bag is divided according to the general specifications, the filter bag can be divided into the following types. Filter bag specifications include: No. 1 bag (180 * 450mm), No. 2 bag (180 * 810mm), No. 3 bag (110 * 280mm), No. 4 bag (110 * 380mm), No. 5 bag (150 * 550mm)

With the rapid development of modern industry, the cause of environmental protection has shown vigorous vitality, and the environmental protection filter bag has also made new development. Generally speaking, environmental protection filter bags can be divided into the following categories:

1. According to the temperature bearing capacity of dust removal filter bag, it is divided into high temperature type, medium temperature type and normal temperature type. Application fields: ironworks, steelworks, ferroalloy plants, refractory plants, foundries, power plants, cement plants, chemical plants, grain processing plants, carbon black plants, aluminum plants, etc.

2. According to the way of air inlet and outlet, it can be divided into two kinds of environmental protection filter bags: lower air inlet and upper air outlet, upper air inlet and lower air outlet, and direct current type (only limited to flat flat flat bag).

3. According to the shape of the cross section of the environmental protection filter bag, it is divided into flat bags (trapezoidal and flat) and round bags (cylindrical).

4. According to the filtering method of dust removal filter bag, it can be divided into external filtering type and internal filtering type.
5. According to the ash cleaning method, it can be divided into mechanical vibration, nozzle blowback, chamber blowback, vibration blowback and pulse injection.

Type of filter bag material

PPSG– standard single layer polypropylene felt/single side ironing/engineering precision, removal efficiency>85%

PPEX– life extended single-layer polypropylene felt/single side ironing/engineering precision, removal efficiency>85%

PPX –long-life composite design/fiber protection layer/engineering precision, removal efficiency>85%

PPXG– long-life double-layer composite polypropylene felt/outer layer ironing/engineering precision, removal efficiency>95%

PPAB– polypropylene composite oil absorption material/engineering precision, removal efficiency>95%/can directly replace F company’s POMF products

PPMD– polypropylene composite oil absorption material/absolute precision, removal efficiency>98%/oil absorption capacity and speed are excellent products on the market at present

PPD– polypropylene multiple composite materials, special for series, designed according to specific process, with special code

APM– polypropylene composite material/absolute precision, removal efficiency>98%/can directly replace the 100 series and 500 series products of E Company

APTM– polypropylene composite material, absolute precision, removal efficiency>98%/can directly replace T company’s 100 series and 500 series products

BMAX –polypropylene seamless composite filter bag/internal pre-filtration by high-strength seamless filter element/engineering precision, removal efficiency>95%

BMOS –polypropylene seamless filter bag/outer layer is fiber protective layer/absolute precision, removal efficiency>98%/can replace the BOS series products of F company

PESG– standard single layer polyester non-woven material/single side ironing/engineering precision, removal efficiency>85%

PEEX– life extension single layer polyester felt/single side ironing/engineering precision, removal efficiency>85%

PEX– long-life polyester composite design/fiber protection layer/engineering precision, removal efficiency>85%

PEXG– long-life double-layer composite polyester felt/outer layer burnishing/engineering precision, removal efficiency>95%

PEB– bulk single-layer polyester non-woven material/single side ironing/engineering precision, removal efficiency>85%

PED– polyester multiple composite materials, special for series, designed according to specific process, code specific

NLMO– coating grade standard nylon monofilament material/absolute accuracy, removal efficiency>95%

NLMP– medical and food grade standard nylon monofilament material/absolute precision, removal efficiency>95%

NLMB– standard nylon monofilament material/absolute precision, removal efficiency>95%

NMD –nylon monofilament multiple composite materials, special series, designed according to specific process, code

PEMO –standard polyester monofilament material/absolute precision, removal efficiency>95%

PPMO– standard polypropylene monofilament material/absolute precision, removal efficiency>95%

ACBX– granular activated carbon adsorption material/engineering precision, removal efficiency>85%

ACBE –fiber activated carbon adsorption material/engineering precision, removal efficiency>85%