DMC Pulse-Bag Dust Collector: Airflow and Filter Sizing
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The pulse jet bag dust collector (DMC series) is a dust removal device designed based on the advantages of similar domestic and foreign products. It adopts advanced online pulse jet technology, ensuring thorough dust cleaning and low operating resistance; high-quality components guarantee efficient dust removal; fully automatic control provides good operational performance and convenient maintenance. This dust collector is highly efficient in purification, has a long filter bag life, requires minimal maintenance, and operates safely and reliably. It is the preferred dust removal equipment for dispersed dust sources such as atop and below machinery and can be widely used for dust purification from various crushing and screening equipment. Why choose the pulse jet bag dust collector? First, it has high dust removal efficiency, using advanced online pulse jet technology to clean dust thoroughly and maintain low operating resistance, effectively collecting dust generated during crushing and screening processes. Second, it features fully automatic control, good operational performance, requires no dedicated personnel, and is easy to operate and maintain. Third, the filter bags have a long lifespan, the maintenance workload is low, and it operates safely and reliably, reducing long-term operating costs. Fourth, it has a compact structure, suitable for purifying dust from dispersed points such as the tops and bottoms of machines. Fifth, high-quality components ensure efficient and stable dust removal, making it an ideal choice for environmental protection projects and clean production. The pulse jet bag dust collector is mainly used for dust removal at the tops and bottoms of various crushing equipment (such as jaw crushers, impact crushers, cone crushers, and sand making machines), for dust purification in screening equipment (such as circular vibrating screens and linear screens), for dust collection in conjunction with powder selectors, at belt conveyor transfer points, and for managing dispersed dust in industries such as mining, sand and gravel plants, building materials, chemical, and metallurgy. Users who need a pulse jet bag dust collector include sand and gravel plants and aggregate producers, mining companies, equipment procurement departments of cement and building material plants, equipment maintenance departments of chemical plants, environmental engineering companies, EPC contractors for crushing and screening production lines, equipment dealers and inventory suppliers, and overseas infrastructure and mining project buyers. When should you choose or replace a pulse jet bag dust collector? When dust emissions from crushing and screening production lines exceed standards and require dust removal equipment; when environmental protection regulations are strict and a supporting dust removal system is needed for clean production; when old dust removal equipment has poor dust cleaning performance, high operating resistance, or short filter bag lifespan and needs upgrading; when new mechanized sand or aggregate production lines require dust removal equipment; or when there are many dispersed dust points and flexible standalone dust removal devices are required. How to choose a pulse single-unit bag dust collector? Step 1: Confirm the processing air volume, and calculate the required air volume based on the number of dust generation points and the amount of dust produced; Step 2: Confirm the filtration area, and calculate the required filtration area based on the air volume and filtration air velocity; Step 3: Confirm the number and specifications of filter bags, and select the corresponding model according to the filtration area; Step 4: Confirm the dust removal efficiency to ensure it meets environmental emission standards; Step 5: Confirm the ash cleaning method, choose online pulse jet technology to ensure thorough cleaning; Step 6: Confirm the installation location, select top or bottom installation according to the dust generation points' positions; Step 7: Confirm the filter bag material, choose polyester needle felt, anti-static, water and oil-resistant, or membrane-coated filter material according to dust characteristics; Step 8: Confirm the control method to ensure fully automatic control, good operation, and convenient maintenance.
DMC Series Pulse Single-Unit Bag Dust Collector Model and Parameter Table (Example)
| Model | Processing Air Volume (m³/h) | Filtration Area (m²) | Number of Filter Bags (pcs) | Filter Bag Specifications (mm) | Dust Removal Efficiency (%) | Number of Pulse Valves (pcs) | Motor Power (kW) | Weight (kg) |
|---|---|---|---|---|---|---|---|---|
| DMC-32 | 1500-2100 | 24 | 32 | Φ130×2000 | ≥99.5 | 4 | 1.1 | 450 |
| DMC-48 | 2100-3200 | 36 | 48 | Φ130×2000 | ≥99.5 | 6 | 1.5 | 600 |
| DMC-64 | 3200-4200 | 48 | 64 | Φ130×2000 | ≥99.5 | 8 | 2.2 | 750 |
| DMC-96 | 4200-6300 | 72 | 96 | Φ130×2000 | ≥99.5 | 12 | 3.0 | 1050 |
| DMC-112 | 6300-7500 | 84 | 112 | Φ130×2000 | ≥99.5 | 14 | 4.0 | 1250 |
General Technical Parameter Table
| Parameter | Specification |
|---|---|
| Series | DMC |
| Type | Pulse Single-Unit Bag Dust Collector |
| Ash Cleaning Method | Online Pulse Jet Technology |
| Dust Removal Efficiency | ≥99.5% |
| Operating Resistance | Low |
| Control Method | Fully Automatic Control |
| Filter Bag Material | Polyester Needle Felt (Standard); Optional Anti-Static, Water and Oil-Resistant, Membrane-Coated Filter Material |
| Filter Bag Lifespan | Long, Low Maintenance Workload |
| Installation Location | Top or Bottom of Machine, etc., for Dispersed Dust Points |
| Applicable Scenarios | Purification of dust from various crushing and screening equipment, applicable in mining, gravel plants, building materials, chemical, and metallurgical industries |
| Core Advantages | High purification efficiency, long filter bag life, low maintenance workload, safe and reliable operation, easy maintenance |
Dimensional drawing and key dimensions: `[Image: /images/dmc-pulse-bag-dust-catcher-dimension-drawing.webp]`
Material Table
| Component | Standard Material | Optional Material | Description |
|---|---|---|---|
| Dust Collector Housing | Carbon Steel | Stainless Steel | Corrosion-resistant, sturdy structure |
| Filter Bag | Polyester Needle Felt | Anti-static, waterproof, oil-proof, coated filter material | High purification efficiency, long filter bag life |
| Bag Cage | Galvanized Carbon Steel | Stainless Steel | Supports the filter bag, prevents bag collapse |
| Pulse Valve | Aluminum Alloy/Brass | Stainless Steel | Online pulse cleaning, thorough dust removal |
| Ash Hopper | Carbon Steel | Stainless Steel | Collects dust, convenient for ash discharge |
| Ash Discharge Device | Rotary Valve/Slide Valve | Electric/Pneumatic | Automatic ash discharge, reliable operation |
| Control Box | Carbon Steel/Stainless Steel | Rainproof and dustproof type | Fully automatic control, good operational performance |
| Fan | Carbon Steel/FRP | Stainless Steel | Provides negative pressure to ensure dust removal effectiveness |
Installation method: The pulse jet bag dust collector needs to be installed at the top or bottom of the machine according to the dust generation point, ensuring that the air inlet is well sealed with the dust duct; the equipment must be installed on a sturdy concrete foundation or steel structure platform, with anchor bolts tightened according to torque specifications to ensure stable operation; sufficient space should be reserved below the hopper for ash discharge to facilitate the operation of the ash removal device and dust collection; when installing filter bags and cages, ensure a good seal to prevent dust bypass; wiring of the pulse valve and control box must comply with standards and be reliably grounded; after installation, a no-load test run should be conducted to check whether the fan operates normally, the pulse cleaning system functions, and whether there are abnormal vibrations or noises; during load test operation, gradually increase the dust load, observe dust removal effectiveness and operating resistance to ensure dust removal efficiency meets standards; regularly inspect the filter bags and pulse valves and replace or clean them in time; a central control system can be equipped to achieve online monitoring and automatic control.
Application Scenario Table
| Industry | Application | Recommended Configuration | Key Requirements |
|---|---|---|---|
| Crushing Equipment | Top and bottom dust removal for jaw crushers, impact crushers, cone crushers, and sand making machines | DMC-32–DMC-112 | High dust removal efficiency, thorough ash cleaning, low operational resistance |
| Screening Equipment | Dust purification for circular vibrating screens, linear screens | DMC-48–DMC-112 | Treatment air volume matching, long filter bag life |
| Powder Separator Equipment | Dust collection for high-fineness rotor powder separators and non-powered powder separators | DMC-64–DMC-112 | Matching separator air volume, high dust removal efficiency |
| Conveying Equipment | Dust removal at belt conveyor transfer points | DMC-32–DMC-64 | Flexible installation, automatic control |
| Mining Industry | Dust purification at dispersed dust points | DMC-32–DMC-112 | Safe and reliable operation, low maintenance workload |
| Sand and Gravel Plant | Dust control in aggregate production lines | DMC-48–DMC-112 | Environmental compliance, low operating costs |
| Building Materials Industry | Cement and limestone dust purification | DMC-64–DMC-112 | Corrosion-resistant, long filter bag life |
| Chemical industry | Chemical raw material dust purification | DMC-32–DMC-96 | Anti-static, explosion-proof (optional) |
Note: The pulse single-unit bag dust collector uses advanced online pulse jet technology, providing thorough dust cleaning, low operational resistance, fully automatic control, high purification efficiency, long filter bag life, minimal maintenance work, and safe and reliable operation. It is the first choice for dust collection at machine tops, bottoms, and other dispersed dust points, and can be widely used for dust purification in various crushing and screening equipment. For explosive dust environments, explosion-proof motors and anti-static filter bags should be selected. For high-humidity or high-stickiness dust, it is recommended to use waterproof, oil-proof, or coated filter materials.
Selection considerations (used with high-fineness rotor-type powder separators and non-powered powder separators): The pulse single-unit bag dust collector is usually used as a supporting dust collection device for high-fineness rotor-type powder separators and non-powered powder separators. The high-fineness rotor-type powder separator uses centrifugal force generated by rotor rotation and airflow action to separate powder, requiring a pulse single-unit bag dust collector to collect fine powder. The non-powered powder separator relies on the negative pressure generated by the supporting pulse collector for separation, and the dust collector's air volume directly affects the powder separation effect. When selecting, the corresponding specification of the pulse single-unit bag dust collector should be chosen based on the powder separator’s handling air volume and number of dust points, ensuring that dust collection efficiency meets standards and satisfies the powder separation process requirements.
## Technical FAQ
1. What is a pulse single-unit bag dust collector?
The pulse single-unit bag dust collector is a dust collection device designed by drawing on the advantages of similar domestic and foreign products. It uses advanced online pulse jet technology for thorough dust cleaning, low operational resistance, fully automatic control, and is the first choice for dust collection at machine tops, bottoms, and other dispersed dust points.
2. What is the working principle of a pulse single-unit bag dust collector?
Dust-laden gas enters the dust collector housing through the air inlet, and dust is blocked on the outer surface of the filter bag, while clean air passes through the filter bag and exits from the outlet. As dust accumulates on the surface of the filter bag, operational resistance increases, triggering the pulse jet system to inject high-pressure air into the filter bag, causing it to expand momentarily and shake the dust into the ash hopper, from where it is discharged by the ash removal device.
3. What is the dust collection efficiency of a pulse single-unit bag dust collector?
Dust removal efficiency ≥99.5%, can effectively collect dust generated during crushing and screening processes.
4. What is the cleaning method of the pulse single-machine bag filter?
It uses advanced online pulse jet technology, which thoroughly cleans the dust and maintains low operating resistance.
5. What is the control method of the pulse single-machine bag filter?
Fully automatic control, good operating effect, no need for dedicated personnel, simple operation and maintenance.
6. What scenarios are suitable for the pulse single-machine bag filter?
Widely used for dust purification of various crushing and screening equipment. It is the preferred dust removal equipment for dispersed dust at the top and bottom of machines, suitable for mining, sand and gravel, construction materials, chemical, and metallurgical industries.
7. How long is the service life of the pulse single-machine bag filter bag?
Long filter bag life with low maintenance workload. The specific life depends on dust characteristics, filtration air velocity, and filter bag material. It is recommended to use polyester needle felt, anti-static, waterproof and oil-resistant, or coated filter media based on working conditions.
8. What are the models of the pulse single-machine bag filter?
The DMC series dust collector models include DMC-32, DMC-48, DMC-64, DMC-96, DMC-112, etc., with handling capacities ranging from 1500m³/h to 7500m³/h.
9. Does the pulse single-machine bag filter require a foundation?
It depends on the installation location. It can be installed on a concrete foundation or steel structure platform, fixed with anchor bolts to ensure stable operation.
10. What are the wear parts of the pulse single-machine bag filter?
Filter bags, pulse valves, bag cages, ash discharge devices, etc. Among them, the filter bag is the core wear part. It is recommended to choose a suitable filter bag material according to dust characteristics.
11. What are the common faults of the pulse single-machine bag filter?
Filter bag damage (dust emissions exceed the standard), pulse valve not working (cleaning failure, increased operating resistance), ash hopper accumulation (ash discharge device failure), fan abnormal vibration (impeller imbalance or bearing damage).
12. How to maintain and care for the pulse single-machine bag filter?
Regularly check the filter bags and pulse valves, and replace or clean them in time; regularly check the operating status of the ash discharge device; regularly check the operating status of the fan and the belt tension; regularly check whether the anchor bolts and connection bolts are loose; regularly clean the ash and foreign objects inside the hopper.
13. Can the pulse single-unit bag dust collector be customized?
It can be customized for processing air volume, filtration area, filter bag material (polyester felt/anti-static/waterproof and oil-proof/membrane coated), box material (carbon steel/stainless steel), motor configuration (explosion-proof motor), ash discharge device (rotary valve/slide gate valve), central control system, and more.
14. Can the pulse single-unit bag dust collector be used with a powder classifier?
Yes, the pulse single-unit bag dust collector is an ideal matching dust collection device for high-fineness rotor-type powder classifiers and non-powered powder classifiers. It can effectively collect fine powder generated during the classification process, ensuring the powder classification effect and dust collection efficiency.
15. Does the pulse single-unit bag dust collector comply with RoHS and REACH?
Standard equipment complies with RoHS and REACH regulations and does not contain SVHC high-concern substances. Please refer to the product test report for details.
16. What are the filter bag materials for the pulse single-unit bag dust collector?
The standard material is polyester felt. Optional materials include anti-static, waterproof and oil-proof, and membrane-coated filter media, and the appropriate filter bag material should be selected according to the dust characteristics.
17. What ash discharge devices are available for the pulse single-unit bag dust collector?
Optional devices include rotary valves or slide gate valves, which automatically discharge ash and operate reliably.
18. How to choose a model for the pulse single-unit bag dust collector?
Calculate the required air volume based on the number of dust sources and the amount of dust generated, calculate the required filtration area based on air volume and filtration velocity, select the corresponding model according to the filtration area, choose the filter bag material according to dust characteristics, and confirm dust collection efficiency according to environmental protection requirements.
19. How to use the pulse single-unit bag dust collector with a powder classifier?
The dust collector is connected to the powder classifier via a pipeline. The dust collector fan generates negative pressure, drawing fine powder from the powder classifier into the dust collector for filtration and collection, and clean gas is discharged, thereby achieving both powder classification and dust collection functions.
20. How to choose between the pulse single-unit bag dust collector and a non-powered powder classifier?
The two belong to a complementary relationship rather than a replacement relationship. The non-powered classifier relies on the negative pressure generated by the pulse dust collector for sorting, and the pulse single-unit bag dust collector is the corresponding dust removal equipment. When selecting, it is necessary to choose the appropriate specification of the pulse single-unit bag dust collector based on the processing air volume of the classifier and the number of dust emission points to ensure that dust removal efficiency meets the standard.
Technical FAQ
What should a complete mining-equipment RFQ include?
Include material, capacity, feed size, output size, layout, utilities, duty cycle, local standards and preferred delivery scope.
Can the final model be confirmed from a title alone?
No. The model must be checked against the process duty, drawings, utilities and site conditions before ordering.
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