Zhejiang Suita Filtermaterial Technology Co., Ltd.

China Manufacturer with main products: Woven Filter Cloth, Filter Bags, Needle Punched Felt, Filter Fabrics, Wire Mesh Fabrics, Polyester Filter Fabrics, Polypropylene Filter...

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polyester liquid filter bags for bag filters

FOB Price: 2.00 - 3.00 USD/Piece
Supply Ability: 5,000 Piece/Pieces per Week
Shipping: in cartons and bundles FOB ningbo/shanghai
Payment Terms: L/C, T/T, Western Union
In Stock

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Export Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Mid East, Eastern Asia, Western Europe
Place of Origin: Zhejiang in China
Packaging Details: in cartons or in bundles


Liquid filter bag
Type one: synthetic monofilament mesh filter bag
Bags are made of polyamide or polyester mesh. Sewn type and welded type. Stainless
Ring and sentinel ring
Size can be optional
Type two: micron grade needle punched felt filter bag
Bags are made of polyester or polypropylene micron grade needle punched felt
Sentinel ring
The welded type can well control the side leaking of the conventional filter bags
This is our recommended products
Industrial Filtration Filter Bags
1. Introduction
Durable bag is pure high-quality melt-blown microfiber cloth after finely hot melt or car every made. The bag filter accuracy is usually nominal filter accuracy. The bag has excellent chemical properties, stability and heat resistance is applied to the highest performance in the media industry on behalf of all commonly used filter material performance the most high-end variety, have reached a higher filtration efficiency and filter precision. level. Commonly used filter such as PE, PP, PTFE, NMO.
The filter bag is a key part in the baghouse during operation, usually cylindrical bag vertically hanging in the dust collector. The fabric and design of the bag should be the pursuit of high-efficiency filter, easy-to-dust stripping and durable effect. Pulse and air box pulse dust collector, dust is attached to the outer surface of the bag. Dusty gas after dust collector, dust is captured in the outer surface of the filter bag and clean gas enters into the bag through the filter internally. Bag inside cage to support the filter bag to prevent bag collapse, while it helps to clear and re-distribution of the dust cake.
* Cloth is relying on the thickness of the filter of the filter layer, belonging to deep filter
* the filter layer depth of three-dimensional porous structure formed by the fiber from the inside and the outside, from loose to dense, the formation of a gradient filter
* High capacity sewage volume, long filter life, low dropout
PP (polypropylene), the PE (polyester), PTFE (polytetrafluoroethylene)
Collar ring:
stainless steel ring, plastic ring.
(1)The capillary fiber oil absorption filter bag
It is part of the pre-filter layer, filter layer, and screen cover. Is specifically designed to effectively absorb the liquid oil. The porosity of the filter material up to 80%, greatly improving the life of the product. Oil absorption as high as 12 to 20 times of the bag's own weight (specifically due to fluid and fat characteristics, flow rate varies)
(2)Absolute precision seamless bag
It is formed by pure polypropylene capillary fiber thermal meltblown. The outer layer is thicker deep filter material, to provide layered filter; within the set of large-diameter filter to further enhance the overall deep filter effects, and improve the capacity of the impurities ability. The life of an average of more than five times that of ordinary polypropylene bag. The maximum filtering accuracy 3um. Collar ring, plastic ring.
(3)Nylon mesh bag
It is for election materials to a single mesh polyester single mesh, polypropylene multi-strand wire mesh. Maximum filtering accuracy 20um Features: absolute filtration precision, high toughness, anti-sabotage, fiber free, can be used repeatedly
Heat resistance, strong acid, weak acid, strong base, weak base, fats and oils, aromatic, glycol ethers, organic solvents, microorganisms.
Filtration precision:
PE / PP / PTFE 0.5, 1,3,5,10, 25,50,80,100,125,150,200,300,400,600,800,1000 multilayer high efficiency filter bags impurities catches 2-3 times that of the ordinary needle felt filter bag removal efficiency higher than 90%
Industrial filter bags standard
GB 12625-1990 baghouse filter and bag conditions
HCRJ 015-1998 baghouse filter bag identified technology conditions
HCRJ 016-1998 baghouse filter bag framework identified the technical condition
HJ / T 327-2006 for environmental protection product requirements baghouse filter bags
JC / T 584-1995 glass fiber filter bags
5.The usage of industrial filter bags
Closed filter filter: the filter bag and matching filter use, the use of the system fluid pressure, to squeeze the liquid through the filter bag in order to achieve the purpose of filtering. Flow speed, large capacity, long life filter bag advantages, particularly adapted to the large flow be closed filter occasions. The artesian open Filtering: bag through a suitable connector directly connected with the pipeline, starting a fluid gravity differential pressure filtration. The distinguishing feature is no investment in equipment, the filter is simple and feasible, especially suitable for the small size, all kinds of intermittent economical liquid filtration. The baghouse is a dry Dust device. It is suitable for trapping small, dry, non-fibrous dust. Bag made of textile cloth or non-textile mat, the filtering role of the fabric filter dust gas, dusty gas into the bag filter to large particles than the major dust, due to gravity role in settling down, falling into the ash hopper, smaller dust containing gas through the filter, dust retention, so that the gas to be purified. The collection efficiency of the new media in general is not high enough. Filter used for a period of time, due to the sifting, collisions, retention, diffusion, electrostatic effects, the accumulation of the bag surface, a layer of dust, this layer of dust called early in the course of the campaign since the beginning of layer became filter the main filter layer, relying on the early layers of the role of the large mesh filter to obtain a higher filtration efficiency. With the accumulation of dust in the filter surface, the efficiency of the precipitator and resistance corresponding increase in the media on both sides of the pressure difference is large, would some have been attached on the filter small particles squeeze past, precipitator efficiency decreased. In addition, the resistance is too high dust precipitator system air volume decreased significantly. Therefore, the the precipitator resistance reaches a certain value to cleaning. Cleaning can not be destroyed early layer, in order to avoid reduced efficiency. Baghouse structure mainly composed of the upper box, the central box, the lower box (gray bucket), the cleaning system and ash body parts. Baghouse performance, good or bad, in addition to the correct choice of bag material, the cleaning system of baghouse plays a decisive role. To this end, the cleaning method is one of the features to distinguish the baghouse and baghouse operation of a ring.
6.Commonly used cleaning method
A gas cleaning: gas cleaning by means of high-pressure gas or external air backflush filter bag to remove the dust on the bag. Gas cleaning pulse cleaning, anti-hair cleaning and anti-suction cleaning. 2, the mechanical vibration to play cleaning: the points at the top of rapping cleaning and central rapping cleaning (both in terms of the filter bags) is a row of filter bags by means of mechanical vibration and beating device cyclical rotation rapping, to clear the filter the dust on the bags. 3, manual beat: the artificial pat each bag to remove the dust on the bag.
7.Filter bag classification
(1). cross-sectional shape: flat bags (trapezoidal and flat-shaped) and round bags (cylindrical).
(2). the way out of the wind into the wind on the wind and motivated wind out of the wind and the DC-type (confined to the plate flat bag).
(3). according to the bag filter is divided into: external filter type and within the filter type.
(4). environment and the temperature program: room temperature, moderate high temperatures. Filter fibers, cotton fibers, wool fibers, synthetic fibers and glass fibers, different fibers woven into the filter with different performance. Commonly used filter media 208 or 901 polyester round flannel, using the temperature does not exceed 120 ° C, silicone resin treated glass fiber filters, using the temperature does not exceed 250 ° C, cotton and wool fabrics are generally applicable to no corrosion; temperature in 80-90 °C or less dusty gas.
8.The advantages of the baghouse
(1), the dust removal efficiency can trap particles larger than 0.3 micron fine dust, the dust removal efficiency of up to 99%.
(2), the use of flexible to deal with the air volume can be hundreds of cubic meters per hour per hour, hundreds of thousands of cubic meters, can be used as directly in the room, the machine near the small unit can also be made of large dust chamber, the bag room.
(3), the structure is relatively simple, stable operation, the initial investment less (ESP), easy to maintain. Therefore, the baghouse is widely applied to eliminate the dust pollution, improve the environment, recycling of materials
9.commonly  post-processing treatment
Deal with the burning pressure equipment, burning pressure, single and double sided needle felt filter treated with an unparalleled advantage in ordinary singeing and pressing process, not only improves the cleaning performance of the filter, but also to meet the The fine dust collection.
(2), anti-static treatment
To some of the dust in the specific concentration of the state, the case of spark combustion or static electricity generated by friction phenomena occur. Needle felt filter material anti-static treatment should be selected so flammable and explosive dust. Antistatic filter is mixed with conductive fibers (including binary conductive fibers in the filter fibers, graphite filament conductive fiber and stainless steel conductive fiber), so that the entire media have the conductive properties
(3).water and oil repellency treatment
on needle felt filter material using a fluorocarbon resin and PTFE impregnated oil processing and water treatment, wet dusty gas (especially absorbent deliquescence dust) on the surface of the bag easier to trap dust, avoid and mitigate the occurrence of the paste bag.
(4) Easy cleaning
easy cleaning treatment using patented technology to produce needle felt filter compact and breathable, with good cleaning performance, and can work long hours in the higher filtration velocity.



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