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Filter Bag

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PPS Filter Bag

Specification:

Item

PPS high temperature resistant filter bag

Weight (g/m2)

450

500

550

>800

Thickness (mm)

1.6

1.8

2.0

2.0

Air permeability (m3/m2/min)

18

15

12

12~18

Breaking strength (N/5x20cm)

warp 

>1150

>1200

>1200

>2000

weft

>1200

>1300

>1400

>2000

Breaking elongation (%)

warp 

 

 

 

 

weft

 

 

 

 

Bursting Strength (MPa/min)

2.7

2.6

2.45

3.1

Continuous operating temperature (℃)

≤190

Short time operating temperature (℃)

232

Acid resistance

excellent

Alkali resistance

excellent

Abrasion resistance

excellent

Hydrolytic stability

excellent

Finish Treatment

 Singed, calendered, heat set, water&oil repellent, PTFE membrane

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  • Application
  • Picture
  • Inquiry

How To Check What Kinds Of Filter Bag Needed By Your Bag House?


You just change the filter bag from one economic supplier

1. If you have the filter bag already in hand, then just take some picture for us first. Then we can get knowledge more than 80% if we can make.

2. If you can send us the samples, then we can analyse the sample bag material and treatment.

3. We can make one sample for you to try your bag house within a few days.

 

You have a new bag house to build, you need one new filter bag suggestion:

1. We will send you one investigation file for you to fill, all about your bag house condition, like temperature, chemical content and others. After you fill it back to us, we will suggest you one kind filter bag to try.

2. Our engineer can arrange one online with your engineer or plant investigation for you.

 

Why Do You Choose SFFILTECH PPS Filter Bag?


Advantages of SFFILTECH pps filter bag:

product reliability

Technical support for the lifetime of the filter bags

Big stock for order supply stable

Mass production supply with so many years’ experience

Each test for each order by our test person

 

pps filter bag material: The material of pps filter bag is mainly polyphenylene sulfide. Its melting point is about 285 ℃, oxygen index is about 34, density is about 1.38g/cm3, and breaking strength is about 5g/day. Polyphenylene sulfide (PPS) is a kind of high performance thermoplastic engineering plastic, which has strong performance in flame retardancy, chemical resistance and heat resistance.

Normal weight:450gsm, 500gsm, 550gsm.600gsm,650gsm
Finish Treatment: Singed, calendered, heat set, water&oil repellent, PTFE membrane after the pps needle punched
 
Size: diameter 100mm, 125mm, 130mm, 150mm, 180mm, 250mm ect. Any length is available. Special size is customize.
 
PPS filter bag process Method: sewing or welded

Advantages of PPS filter bag: High temperature resistant, Working temperature:190 degree, Max temperature: 230 degree, PPS felt have no melting point, yellow color, PPS has large filtration area and excellent filtration performance.

Specification of PPS filter bag

Item

PPS high temperature resistant filter bag

Weight (g/m2)

450

500

550

>800

Thickness (mm)

1.6

1.8

2.0

2.0

Air permeability (m3/m2/min)

18

15

12

12~18

Breaking strength (N/5x20cm)

warp 

>1150

>1200

>1200

>2000

weft

>1200

>1300

>1400

>2000

Breaking elongation (%)

warp 

 

 

 

 

weft

 

 

 

 

Bursting Strength (MPa/min)

2.7

2.6

2.45

3.1

Continuous operating temperature (℃)

≤190

Short time operating temperature (℃)

232

Acid resistance

excellent

Alkali resistance

excellent

Abrasion resistance

excellent

Hydrolytic stability

excellent

Finish Treatment

 Singed, calendered, heat set, water&oil repellent, PTFE membrane

 

Application of PPS filter bag

PPS filter bags are used for coal-fired boilers, waste incinerators, coke ovens, kilns, chemical drying and flue gas purification in other processes. It is also used for carbon black, powder collection, pneumatic transport, chemical industry, cement, power, etc.

 

Specific applications of dust filter bags in various working conditions:where will be the filter bag installed in each plant?

Scope of application for filter bagCement plant: crushing, grinding, coal grinding, material transportation, dedusting on the top of the warehouse, raw meal grinding, cement grinding, packaging. 
Metallurgical plants: electric furnaces, blast furnaces, desulfurization furnaces, induction furnaces, casting, sandblasting, barrel furnaces.
Power plant: material conveyor, smoke (powder) dust treatment, fly ash storage.
Aluminum plant: fluidized bed dry cleaning tower, venturi jet dry cleaning tower, carbon dust, anode crushing, electrolytic aluminum production dust.
Food: fluidized bed dry cleaning tower, venturi jet dry cleaning tower, self-baking dry cleaning tower, carbon dust, anode crushing, electrolytic aluminum production dust.
Food/pharmaceutical: additives, drying section, flour/grain processing, sugar and pesticide tablets, packaging.
Chemicals: plastic fibers, resins, tires/rubber, coking, bleaching powder, packaging.
Each plant will have different filter bags,for more detail, we have the investigation file for you to choose the right filter bag. Or you can come to us directly, we will give you fully suggestion.

 

How to install the filter bag in the right way?

Basic commercial terms of pps filter bag:

Place of Origin

Shanghai, China

Brand Name

SFFILTECH

Certification

ISO

Product Item

PPS filter bag              

Minimum Order Quantity                      

10pcs, sample 1pcs

Price

Contact us to get an exact quotation

Packaging Details

The inner packing is in plastic bags
The outer packing is in carton
Large volume can also support custom packaging

Delivery Time

10-30 days. According to the specific order quantity.

Port of shipment

Shanghai, Ningbo, Qingdao, Lianyungang, Guangzhou, Shenzhen or Others

Payment Terms

30% Deposit, balance TT on copy B/L. Other payment methods can be negotiated according to the order requirements

Supply Ability:

100000pcs/month

 

How to become the SFFILTECH filter bag agent?


Our reputation for reliability is based on many years of experience in the field, especial for china big filter bag market application and mass production. For example, steel plant, for top 10 enterprise, china have 6 from the 10 enterprise.so we have widely application experience for our filter bag in the bag house system. Here is the summer of the reason why we can be reliability.

 

Test equipment for each order

Mass production supply and get skilled from such experience

High quality needle punch production line

Auto filter tube production line

Skilled workers with more than 15 years’ experience

 

We have widely china market and also the abroad market to support our filter bag business more and more expert.

 

System approach

Once you are become our partner for agent or end user, we will get trusted, time-honored manufacturer and a system approach to your special requirement.

 

We will offer you the following:

Determine, design and manufacture the filter bags that fit your specific application and process

Analyze and optimize your total system performance

Provide technical support and troubleshooting for the lifetime of the filter bags

 

The step of You become the SFFILTECH pps filter bag agent 

1. Check our company detail and if you prefer to be our partner in future

2. Check your market in your country if any chance to work in the filter feild

3. Then Email to us if you interest to join with us.

 

FAQ about PPS filter bag

 

Q: Can you offer free samples for pps filter bag?

 R: Yes, SFFILTECH industry will offer free samples for approval quality

 

Q: How about your sizes type for pps filter bag?

R:PPS filter bag usually like 130mm*3m or 130mm*6m or 125mm*3m or any other customized size accordingly to your bag house hole and the height of the bag house

 

Q: How about leading time for pps filter bag?

R: Based on your QTY requirement, SFFILTECH offering leading time for reference:

Sample Order: 1-7 days 

OEM Order: 7-30days after deposit. 

 

 Q: How about pps filter bag after-sales services?    

R: 1 year warranty after we both sign the plant investigation usually for this one

 

Polyester Filter Bag

 

PTFE membrane

 

Anti static water and oil repellent

 

Mix anti static filter bag

 

Reverse Filter Bag

 

Aramid Filter Bag

 

Fiberglass filter bag

 

P84 Filter Bag

 

Acrylic Filter Bag

 

FMS Filter Bag

 

PPS Filter Bag

 

PP Filter Bag

 

PTFE Filter Bag

 

Envelope filter Bag

 

Pleated filter Bag

 

Basalt Filter Bag

 


Applicable to the working conditions with low oxidation gas from coal=fired boiler, waste incineration, metal smelting and chemical industries.

 

Metal Smelting--Dedusting equipment in smelting industry

In metal smelting, polyester filter bag is mainly used for steel slag bag filter, steel sintering machine filter, steel blast furnace gas filter and steel plant filter.

1.Bag filter for steel slag

The steel slag bag type dust collector comprises an air inlet, an air duct, an inclined baffle plate of the air duct, a filter bag and an ash hopper, which is characterized in that the dust collector is also provided with a guide plate and an inverted V-shaped plate, the guide plate is arranged at the middle lower part of the air duct, the inverted V-shaped plate is arranged at the right lower part of the air duct, and the lower ends of the guide plate and the inverted V-shaped plate are connected with the ash hopper, The upper end of the deflector is connected with the bag room of the dust collector. A quartz emery layer is coated on one side of the inclined baffle plate of the air duct in direct contact with the flue gas. Compared with the prior art, the utility model has the advantages of scientific and simple structure and long service life.

A group of opposite side walls of the steel slag bag filter box body are respectively provided with an air inlet and an air outlet, the air outlet is connected with the air extraction port of the blower, and a filter bag is longitudinally arranged in the box body; The box body is connected in series in the same row, and the middle part of the connecting wall of the adjacent box body is provided with an air vent; The pore size of the filter bag in each box is different. The pore size from the air inlet side to the air outlet side decreases in turn. The particles in the steel slag dust can be quickly separated step by step, and the separation efficiency is high.

The dust removal effect of bag filter for steel slag is as follows

The dust removal effect of steel slag bag filter is related to many factors, but mainly depends on the filter material. The filter material of bag filter is cloth or felt made of synthetic fiber, fiber or glass fiber. If necessary, sew the cloth or felt into a cylinder or flat filter bag. According to the nature of flue gas, the filter material suitable for application conditions is selected.

Advantages of bag filter for steel slag

Generally, when the flue gas temperature is lower than 120 ℃, the filter material is required to have acid resistance and durability; In the treatment of high temperature flue gas (< 250℃ ) Graphitized glass fiber cloth is mainly used; In some special cases, carbon fiber filter material is selected. In the case of coal and iron stone, explosion-proof treatment is also needed, so the filter material of silk should be selected for the dust removal bag.

 

2.Dust collector of iron and steel sintering machine

The dust collector of iron and steel sintering machine is an ideal dust removal equipment to solve the problem of dust containing flue gas at the end of sintering machine. According to the characteristics of large exhaust volume, high gas temperature and high dust concentration at the end of sintering machine in sintering plant, when selecting the dust collector system for sintering machine, it is analyzed according to different conditions of sintering machine, so as to achieve better dust removal effect of bag filter.

Performance characteristics of dust collector of iron and steel sintering machine:
1. The upper part of the bag is used to change the bag.
2. Perfect control system to ensure the long-term operation of dust removal system.
3. Compact inlet and outlet duct and equalizing device, low airflow resistance.
4. The bag can be changed without stopping the machine, and the normal operation of the equipment will not be affected by the maintenance.
5. The application of pulse blowing with air stopping in separate chamber can prolong the cleaning cycle and reduce the consumption, which can double the service life of filter bag and pulse valve.
6. The box body is designed with air tightness, good sealing performance, and the inspection door is made of excellent sealing material. The production process uses kerosene to detect leakage, with low air leakage rate.
7. The application of pulse injection cleaning technology has strong cleaning capacity, high dust removal efficiency, low emission concentration, small air leakage coefficient, low energy consumption, small steel consumption, small floor area, stable and reliable operation and good economic benefits. It is suitable for flue gas treatment in electric power, building materials, metallurgy, chemical industry and other industries.

The dust remover of iron and steel sintering machine is widely used in the flue gas treatment of electric power, building materials, metallurgy, chemical industry and other industries, especially for the flue gas with big storm and high temperature. It combines the characteristics of chamber back blowing and pulse cleaning, overcomes the shortcomings of ordinary chamber back blowing intensity and general pulse cleaning dust re adsorption, and the lengthened dust removal filter bag gives full play to the strong cleaning effect of compressed air. It is a large dust removal equipment with high dust removal efficiency, small floor area, stable operation, reliable performance and convenient maintenance.

 

3.Steel blast furnace gas dust collector

The blast furnace gas dust collector of iron and steel adopts the technology of pulse injection dust cleaning by stopping air in different rooms, which overcomes the shortcomings of conventional pulse dust collector and reverse blowing dust collector in different rooms. It has strong dust cleaning ability, high dust removal efficiency, low emission concentration, small air leakage rate, less energy consumption, less steel consumption, less floor area, stable and reliable operation, and good economic benefits. It is suitable for purification of dust gas and material recovery in metallurgy, building materials, cement, machinery, chemical industry, electric power and light industry.

The raw gas (260 ℃) from the raw gas main pipe enters into the lower box of the bag filter through the branch pipe. After mechanical separation, the gas is filtered upward through the cloth bag, and the fine dust is attached to the outer surface of the filter bag. The clean gas is collected into the upper box through the filter bag, and then enters into the hot blast stove through the clean gas branch pipe and the main pipe. When the filtering time is up, with the increase of dust on the surface of the filter bag, the resistance of the dust collector will rise. When the resistance rises to the value, the electrical control system will send out the ash cleaning signal, the pneumatic butterfly valve and upper ball valve of the outlet branch pipe will automatically close, the pulse valve will open, the nitrogen from the cylinder will be injected from the bag mouth through the injection pipe, and the filter bag will expand rapidly.

The dust on the outer surface of the filter bag is shaken off and falls into the conical ash hopper at the lower part. At the end of the pulse valve injection, the dust collector continues to remain static, so that the fine dust in the cylinder has a static settlement process. At the end of this process, the outlet branch pneumatic butterfly valve and the upper ball valve are opened, the dust collector enters the normal filtering state, and the lower ball valve is opened through the impeller feeder The dust cleaning process of a box, the opening and closing of each valve in the above process, and the dust concentration test of a single box are all controlled by PLC system, so that the repeated work can purify the raw gas.

 

4.Dust collector in iron and steel plant

The filter bag made of porous filter cloth is used to separate the dust particles from the flue gas flow. When working, the flue gas flows through the filter bag from the outside to the inside, and the dust particles are blocked outside the filter bag.

The iron and steel industry is a major air polluter. The waste gas management of iron and steel industry implements the principle of comprehensive management. Efforts should be made to reduce energy consumption and raw material consumption, which is one of the fundamental ways to increase the emission of waste gas; the process, adopted process and equipment should be innovated to increase the emission of waste gas from consumption process; energy-saving management methods and equipment should be adopted to strengthen the management and recovery of waste gas; comprehensive use should be vigorously carried out.

At the present stage, a large number of flue gas will be discharged from the sintering machine of large steel plants in China, which will contain nitrogen, sulfur dioxide, dioxin, dust and other substances. Taking the sintering machine of 280 square meters as an example, the content of dust discharged into the atmosphere is 150mg / Nm3. According to this calculation, it will cause great pollution to the environment. At present, China has formulated detailed requirements and standards for energy conservation and emission reduction, and put forward suggestions for environmental protection According to the current standard of our country, the dust concentration discharged into the atmosphere is less than 50mg / Nm3, and the bag filter is an important part to achieve this requirement.

Main structure of dust collector in iron and steel plant:
1. The dust collector is divided into 24 chambers, arranged in two rows, with the main air inlet and outlet ducts in the middle. There are partitions between the silos to realize off-line ash cleaning.
2. A wind shield is set between the air inlet of each bin and the filter bag, and the air inlet mode is adopted inside the box.
3. Each bin is equipped with manual butterfly valve, and the outlet is equipped with pneumatic air stop valve. It can realize off-line ash cleaning and the maintenance of single bin and the air volume distribution of each bin under the condition of non-stop.
4. 216 filter bags are set in each bin, and the size of filter bag is 120mm × 6000mm. There are 5184 silos with a total filtration area of 11716m2.
5. The octagonal star section is adopted for the filter bag frame. Compared with the circular section, it can enhance the ash cleaning effect, reduce the wear between the filter bag and the frame, help to prolong the service life of the filter bag, and facilitate the extraction and insertion of the filter bag frame.
6. The material of filter bag is polyester needle felt.
7. A set of injection device is set in each bin, and the injection pipe and the outlet of pulse valve are inserted to facilitate disassembly.
8. The electromagnetic pulse valve is dmf80 straight through fast pulse valve, and its pressure output port is double twisted wire structure.
9. The top of the upper box body is provided with a water falling slope (20:1) and a water falling trough to prevent water from accumulating on the top cover.
11. Each bin is equipped with an ash hopper, a wall vibrator and a manhole.
12. The lower opening of the ash hopper is provided with a manual gate valve and a star type ash discharge valve, the former is used for repairing the star type unloader.

 

 

Chemical--Dust removal equipment for chemical industry

1.Coke oven smoke remover

According to the electric field theory, positive ions are adsorbed on the corona with negative charge and negative ions are adsorbed on the precipitation with positive charge; All ionized positive and negative ions fill the whole space between corona and precipitation. When the gas containing tar droplets and other impurities passes through the electric field, the impurities adsorbing negative ions and electrons move to the precipitation under the action of Coulomb force of the electric field, release the charge and adsorb on the precipitation, so as to achieve the purpose of purifying the gas, which is usually called charging phenomenon. When the mass of impurities adsorbed on the precipitate is greater than its adhesion, it will automatically flow down and discharge from the bottom of the electric tar catcher, and the net gas will leave from the top of the electric tar catcher and enter the next process.

The effectiveness of the treatment of coke oven smoke and dust remover is as follows

The coal material loaded into the carbonization chamber carries a large amount of air. At the beginning of coal loading, the oxygen in the air and the fine coal particles entering the furnace burn to produce carbon black and form black smoke. When the loaded coal contacts with the blazing furnace wall, a large amount of carbon, sulfur, nitrogen and compounds are produced, accompanied by water vapor and hydrocarbon organic matter, and the flue gas turns dark yellow. Some of them enter into the gas collecting pipe of coke oven, and the other part overflows through the top vent and the gap of the door, which accounts for about 60% of the total emission of coke oven.

In the process of coal loading, there are a lot of harmful substances such as pulverized coal, raw gas, sulfur and nitrogen oxides in the flue gas, including polycyclic aromatic hydrocarbons, such as benzopyrene, 7,12-dimethylbenzoanthracene, 3-Grade-A cholanthrene, dibenzo pyrene, dibenzo (AI) pyrene, etc. if not treated, it will cause serious pollution to the surrounding environment and worsen the working conditions, It causes great threat to the health of employees and violates the environmental protection policy. Therefore, it is necessary to take strong measures to strengthen the control of overflow flue gas during coal loading.

According to statistics, in the process of charging coal into coke oven, the pollutant emission of one ton of coal into coke oven is about 2.37kg, of which the main pollutants are solid particulate matter (TSP), benzopyrene (BAP), benzene soluble substance (BSO), sulfur dioxide (S02), etc. BSO emission is 0. The emission of BaP is 0.000908 kg / T coal and 499 kg / T coal. The harmful substances such as BAP have existed as the carrier of TSP. Therefore, the collection and treatment of TSP by pollutants is the key to control coke oven pollution.

 

2.Pulse bag type dust collector for coke trap system


The pulse bag filter of the coke blocking dust removal system adopts the two in one technology of coal loading and coke discharging dry dust removal, which combines the coal loading dust removal and coke discharging dust removal into a set of dust removal system. The coke powder adsorbed on the filter bag during the coke discharging dust removal process is used as the coating, so that the tar and dust in the inhaled flue gas during the coal charging process can not directly contact with the filter bag. The coke discharging dust removal and coal charging dust removal are operated alternately to ensure that the filter bag can be used for a long time without being stuck and blocked. The advantage of the system is that the two subsystems share one dust collector, one fan and one ash discharging and storing device.

The application effect of pulse bag filter in coke blocking dust removal system is as follows

(1) The dust concentration in the production area of coke oven is reduced by using the ground dust removal station system, and the production and operation environment of workers is purified. The coke oven dust treatment meets the emission standards of coking industry and environmental protection.

(2) After process improvement, the stability and reliability of the system are improved without any accident.

(3) Because of the simple operation and control, the service life of the system equipment is prolonged, especially the service life of the cloth bag. The system has been used for 18 months without changing the cloth bag, achieving the goal of economic operation.

(4) The successful application of the frequency conversion technology of the system not only saves the cost of electricity, but also ensures the stability of the main pipe suction of the system, which plays a key role in the stable operation of the whole dust removal system. At present, our company mainly applies three technologies: 1. Main tube belt car is used for coke blocking, and m-tube gas recovery technology is used for furnace top. 2. Main pipe belt car is used for coke blocking and smoke guiding technology is used for furnace top. 3. The pre spray bag is used for dust removal, and the double butt smoke guiding technology is adopted for the furnace top.

 

 

3.Pulse bag filter in ground station of coking plant

The coal loading and dust collection system consists of two parts. The top part of the furnace is a dust collection truck with dust collection device. It consists of movable smoke hood, smoke guide pipe, flue gas regulating valve, air control valve, valve, expansion connector and other components of smoke extraction system. Open the interface flap valve on the dust collection main through expansion connector. The flue gas emitted during coal loading is mixed with quantitative air, and sent to the ground station for purification treatment by dust collection main pipe and coke side dust removal. The other part is the ground station of dust purification with coal pushing and coal loading, and the fan, off-line pulse bag type dust collector, smoke exhaust unit with hydraulic coupling, dust collector recovery coke powder ash conveying device, corresponding electrical and instrument equipment, compressed air and cooling water system are set in the ground station.

The ground dust removal system of coking plant adopts the low-pressure ash cleaning method, and the spraying procedure and control time of filter bag are controlled by the electrical PLC system. The recovered dust can be sold out or pulled to the material yard for treatment. The design and treatment air volume of dust removal system is 60000m3 / h. under the condition of ensuring the dust removal effect and reliable operation of the dust removal system, the air volume is adjusted and determined according to the resistance of the dust removal system and the operation of coke oven.

The pulse bag dust collector of the ground station of coking plant adopts the domestic non combustion method of coal loading, and makes the collected coal loading dust enter the coal loading dust collection technology of dry dust removal ground station of coke side dust removal. It can capture the coal loading dust, transfer the flue gas from the top of the furnace and the ground station, regulate the temperature of the flue gas, and integrate the flue gas purification. The dust removal system of the coking plant uses the coke powder collected on the surface of the filter bag during the coke pushing process to prevent the dust from containing tar and water vapor binding filter bag during the coal loading process, thus ensuring the long-term stable operation of the equipment.

Advantages of pulse bag dust collector in ground station of coking plant:

1. The non combustion method is used to mix a large amount of air into the coal loading dust removal, which makes the combustible content of the dust far lower than the lower explosion limit, which ensures that the dust enters the dust removal system;

2. The dust removal system on coke side collects dry coke powder and gas energy to absorb harmful components, tar and water in the coal loading dust, without considering measures such as heat preservation, heating and condensation prevention of dust removal equipment;

3. The low pressure pipe jet pulse dust remover is used in the surface dust removal system of coking plant, which greatly improves the dust removal capacity of the dust collector, prevents dust from sticking the filter material, and increases the system resistance;

4. The system design fully gives full play to the purification and treatment capacity of ground dust removal equipment. Through the special design and control of fan and pipeline system, the coal loading dust removal and coke side dust removal can be combined into a system, which can greatly save the investment in transformation.

 

4.Pulse bag filter in coal preparation workshop

The pulse bag filter in the coal preparation workshop absorbs the advantages of the original pulse bag filter, changes the original ash unloading system, simplifies the structure, and has the characteristics of large gas processing capacity, good purification effect, convenient operation, small maintenance, stable performance and reliable operation. Compared with the mechanical vibration dust remover, it also has the advantages of low working noise, long service life of filter bag, no mechanical movement wear and so on. It is suitable to be arranged on the top of all kinds of powder storehouses to collect all kinds of fine dry non fibrous dust. It is a simple storehouse dust remover.

Working principle of pulse bag filter in coal preparation workshop:

The dust air enters the dust box from the bottom of the dust remover. The coarse particles of dust settle down by their own gravity and fall into the ash bin. The fine dust is absorbed in the dust of the filter bag through various effects. With the increase of time, the resistance of the dust remover increases gradually, and the amount of treated gas decreases continuously, To keep the pressure loss within a certain range, it is necessary to absorb the ash on the outside of the bag wall.

In the process of ash cleaning, the controller sends out instructions to each electromagnetic pulse valve according to the requirements, so that the filter bag can shrink, expand and shrink rapidly in an instant. In the process of ash cleaning, the pressure loss of the dust collector and the amount of dust gas to be treated are almost unchanged, which is one of the characteristics of the pulse bag filter.

 

 

 

 

 

 

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