Dust removal device for sulfur particle packaging line

Abstract

The utility model discloses a dust removal device for a sulfur particle bagging line, which relates to the field of dust removal devices and comprises the following devices which are sequentially communicated through an air pipe: a dust collection cover which is arranged beside a sulfur particle bagging device and is used for collecting dust gas in the bagging process of the sulfur particle bagging device on the bagging line; the dust purifier is used for purifying and removing dust in the gas collected and conveyed by the dust collecting cover; the induced draft fan is used for introducing the gas purified and removed by the dust purifier into the chimney type exhaust funnel; the chimney type exhaust funnel is used for discharging the purified gas; wherein an air delivery pipe is further arranged beside the sulfur particle bagging device, and the air delivery pipe is communicated with an air pipe between the dust collecting cover and the dust purifier. According to the utility model, the dust collecting cover, the dust purifier, the induced draft fan and the chimney type exhaust funnel are communicated through the air pipe and are matched with the air delivery pipe, so that the aims of improving the dust treatment efficiency and thoroughness of the sulfur particle packaging production workshop are fulfilled.

Description

Technical Field

[0001] The utility model relates to the field of dust removal devices, in particular to a dust removal device for sulfur particle packaging wire. Background Art

[0002] Sulfur granules are mainly used to treat pests and diseases, and are often processed into suspensions. They are safe for humans and animals and are not likely to cause damage to crops. Sulfur is a multifunctional agent that can kill mites and insects in addition to its bactericidal effect. It is used on various crops and leafhoppers, and its effective period can reach about half a month. Other uses of sulfur include explosives, steel pickling, pharmaceutical and food industries, safety stripping, water treatment, rubber, electrolysis industry, catalysts, pigments, papermaking, chemicals, sulfur cement, sulfur concrete, alcohols, adhesives, pesticides, rail anchoring, black powder, firecrackers, etc.

[0003] Before being sold, sulfur granule products generally need to be packaged on the packaging line of the production workshop through the sulfur granule bagging device. However, during the bagging process, sulfur granules will produce some fine sulfur powder particles, fine dust and exhaust gas in the production workshop, which are very harmful to the human body. From the perspective of environmental protection, smoke and exhaust gas are the biggest enemies of human health, especially smoke and exhaust gas floating in the atmosphere for a long time or even for several years in space, which are the most harmful to people. Due to inertia, they can be eliminated by nasal hair and respiratory mucus; they can also be adhered to the surface of the upper respiratory tract due to gas diffusion and discharged with sputum. Other microparticles can directly reach the lungs through the respiratory tract and deposit, which is harmful to the human body. According to analysis, some floating dust particles are also attached to the surface of highly carcinogenic aromatic hydrocarbons, especially coal dust, which is the culprit of various poisons in the atmosphere, so countries around the world attach great importance to the protection of dust in the atmosphere. Therefore, in order to make the large amount of dust, waste gas, particulate matter, etc. in the sulfur granule packaging production workshop meet the national (Comprehensive Emission Standard of Air Pollutants GB16297-1996) and local (Sichuan Province Stationary Pollution Source Atmospheric Volatile Organic Compound Emission Standard DB51 / 2377-2017 and Odor Pollutant Emission Standard GB14554-1993) environmental protection emission standards, dust removal must be carried out.

[0004] However, the existing method for dealing with dust problems in sulfur granule packaging production workshops is basically to use ordinary dust purifiers for purification. However, this ordinary dust purifier has the disadvantages of being too small and the processing capacity not meeting the requirements.

[0005] In view of this, this application is hereby filed. Utility Model Content

[0006] The utility model aims to provide a dust removal device for a sulfur granule packaging line, which solves the problem of insufficient dust treatment capacity in a sulfur granule packaging production workshop in the prior art by connecting a dust collecting hood, a dust purifier, an induced draft fan and a chimney-type exhaust pipe through an air duct and then cooperating with an air volume conveying pipe.

[0007] The utility model embodiment is implemented by the following technical scheme: The utility model embodiment provides a dust removal device for sulfur particle packaging wire, including the following devices connected in sequence through an air duct:

[0008] Dust collection hood: It is installed next to the sulfur particle bagging device and is used to collect dust gas during the bagging process of the sulfur particle bagging device on the bagging line;

[0009] Dust purifier: used to purify and remove dust in the gas transmitted by the dust collection hood;

[0010] Induced draft fan: used to introduce the gas purified and removed by the dust purifier into the chimney exhaust pipe;

[0011] Chimney exhaust pipe: used to discharge the purified gas at a higher height;

[0012] Among them, an air volume conveying pipe is also arranged next to the sulfur particle bagging device, and the air volume conveying pipe is connected with the air duct between the dust collection hood and the dust purifier.

[0013] Preferably, an ash discharge hopper is provided at the bottom of the dust purifier, an ash discharge port is provided on the ash discharge hopper, and a material level meter is provided on the ash discharge hopper.

[0014] Preferably, the ash discharge hopper is funnel-shaped, and the bottom diameter is smaller than the top diameter, and the ash discharge port is arranged at the bottom of the ash discharge hopper.

[0015] Preferably, an inspection hole is provided on the ash discharge hopper.

[0016] Preferably, the height of the chimney-type exhaust pipe is 10-20 meters, and an exhaust pipe fixing cage is arranged outside the chimney-type exhaust pipe, and the exhaust pipe fixing cage is connected to the chimney-type exhaust pipe.

[0017] Preferably, a monitoring platform is provided on the exhaust chimney fixing cage, and a first detection hole is provided on the exhaust chimney, and the first detection hole is provided next to the monitoring platform.

[0018] Preferably, a safety detection ladder is overlapped on the side of the monitoring platform, and the bottom of the safety detection ladder is in contact with the ground.

[0019] Preferably, a second detection hole is provided on the air duct between the dust collecting hood and the dust purifier.

[0020] Preferably, an air volume regulating valve is provided on the air volume delivery pipe.

[0021] Preferably, the dust purifier is an air box type pulse bag dust collector, and the dust purifier is an air box type pulse bag dust collector with a fan disposed inside, and the motor connected to the fan has frequency conversion and explosion-proof functions.

[0022] Compared with the prior art, the embodiments of the present invention have the following advantages and beneficial effects:

[0023] 1. The dust removal device for a sulfur particle bagging line provided by the embodiment of the utility model connects a dust collection hood, a dust purifier, an induced draft fan and a chimney-type exhaust pipe in sequence through an air duct to form a complete dust removal and purification system. The dust collection hood is arranged next to the sulfur particle bagging device to collect dust gas during the bagging process of the sulfur particle bagging device on the bagging line, and then the dust gas collected by the dust collection hood is transmitted to the dust purifier through the air duct. The dust purifier purifies and removes the dust gas, that is, the dust is discharged in a centralized manner. Under the action of the induced draft fan, the purified gas is further transported to the chimney-type exhaust pipe through the air duct for elevated discharge. In the embodiment of the utility model, an air volume delivery pipe is also provided. The air volume delivery pipe is arranged next to the sulfur particle bagging device and is connected to the air duct between the dust collection hood and the dust purifier. Because the air volume delivery pipe can deliver gas with a certain pressure to the air duct between the dust collection hood and the dust purifier, a suitable negative pressure will be formed, which can avoid the air duct being blocked by dust and ensure the smooth operation of the entire dust removal and purification system.

[0024] 2. In the embodiment of the utility model, the dust discharge hopper of the dust purifier is configured to be funnel-shaped, and the ash discharge port is configured to be at the bottom of the ash discharge hopper. The shape of the inner wall of the ash discharge hopper is used to guide the dust, thereby improving the efficiency of dust discharge. At the same time, a level meter and an inspection hole are provided on the ash discharge hopper. The level meter can be used to monitor the height of dust accumulated in the ash hopper of the dust purifier, and the ash discharge port can be automatically controlled to discharge the dust when the set height is reached. The dust concentration in the dust purifier can be detected through the inspection hole, thereby improving the automation function and accuracy of the entire device.

[0025] In general, the dust removal device for a sulfur granule packaging line provided in an embodiment of the utility model connects a dust collection hood, a dust purifier, an induced draft fan and a chimney-type exhaust pipe through an air duct, and then cooperates with an air volume delivery pipe to achieve the purpose of improving the dust treatment efficiency and thoroughness of a sulfur granule packaging production workshop. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0027] Figure 1 A schematic diagram of the structure of a dust removal device for a sulfur granule packaged wire provided in an embodiment of the utility model;

[0028] Figure 2 A system connection diagram of a dust removal device for a sulfur particle packaging line provided in an embodiment of the utility model.

[0029] Marks and corresponding parts names in the attached drawings:

[0030] 1-dust collection hood, 2-sulfur particle bagging device, 3-dust purifier, 4-induced draft fan, 5-chimney exhaust pipe, 6-air duct, 7-ash hopper, 8-ash discharge port, 9-level meter, 10-inspection hole, 11-exhaust pipe fixing cage, 12-monitoring platform, 13-first detection hole, 14-safety detection ladder, 15-second detection hole, 16-air volume delivery pipe, 17-air volume regulating valve. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. The components of the embodiment of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0032] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0034] In the description of the present invention, it should be noted that the terms "first", "second", "third", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0035] Example

[0036] like Figure 1-2 As shown, the embodiment of the utility model provides a dust removal device for a sulfur particle bagging line, including the following devices connected in sequence through an air duct 6: a dust collection hood 1: arranged next to the sulfur particle bagging device 2, used to collect dust gas during the bagging process of the sulfur particle bagging device 2 on the bagging line, to ensure the dust absorption efficiency and prevent the dust from spreading into the working environment. A dust purifier 3: in the delivered gas; an induced draft fan 4: used to introduce the gas purified and removed by the dust purifier 3 into a chimney-type exhaust pipe 5, that is, to introduce the clean gas treated by the dust purifier 3 into the exhaust system, to ensure that the gas flows and smoothly enters the chimney-type exhaust pipe 5; the chimney-type exhaust pipe 5: used to raise the purified gas for discharge, and by increasing the discharge height, it is helpful for the diffusion of the gas in the atmosphere and reduces the impact on the ground environment. It should be noted that there can be multiple sulfur particle bagging devices 2 operating simultaneously. During the operation of multiple sulfur particle bagging devices 2, a dust collection hood 1 can be set next to each sulfur particle bagging device 2. These dust collection hoods 1 can be connected to the same air duct 6 or air duct 6 system to achieve simultaneous dust removal of multiple sulfur particle bagging devices 2. It should also be noted that the principle of collecting dust gas by the dust collection hood 1 can adopt existing technology, such as through the action of the fan, forming a negative pressure area at the dust overflow point, and sucking the dust-containing gas into the dust collector. Here, it is limited as long as the effect of collecting dust gas can be achieved. In the embodiment of the utility model, an air volume conveying pipe 16 is also arranged next to the sulfur particle bagging device 2, and the air volume conveying pipe 16 is connected to the air duct 6 between the dust collecting hood 1 and the dust purifier 3. Because the air volume conveying pipe 16 can convey gas with a certain pressure to the air duct 6 between the dust collecting hood 1 and the dust purifier 3, a suitable negative pressure will be formed, which can prevent the air duct 6 from being blocked by dust, thereby ensuring the smooth operation of the entire dust removal and purification system.

[0037] As an optional implementation mode of the present utility model, an air volume regulating valve 17 is provided on the air volume delivery pipe 16. The air volume regulating valve 17 can be a manual air volume regulating valve 17, so that the air volume of the entire system can be manually controlled and adjusted. The operator can adjust the air volume according to actual needs to adapt to different working conditions and dust generation, thereby increasing the flexibility and controllability of the system. By adjusting the air volume, the airflow in the air duct 6 can be optimized and the deposition of dust in the air duct 6 can be reduced, thereby effectively preventing dust blockage and ensuring the long-term stable operation of the system. In order to collect and discharge the sulfur dust obtained by the dust purifier 3 after purification, and then make reasonable use of it, in the embodiment of the utility model, an ash discharge hopper 7 is arranged at the bottom of the dust purifier 3, and an ash discharge port 8 is arranged on the ash discharge hopper 7. A material level meter 9 is arranged on the ash discharge hopper 7. The ash discharge hopper 7 is used to collect the dust separated by the dust purifier 3 to prevent the dust from accumulating at the bottom of the purifier. The collected dust can be discharged regularly through the ash discharge port 8 for subsequent treatment or recycling. The material level meter 9 is used to monitor the accumulation height of the dust in the ash discharge hopper 7. When the dust reaches a certain height, the material level meter 9 can send a signal to prompt the operator to perform the ash discharge operation to prevent the dust from overflowing the ash discharge hopper 7. The material level meter 9 can be linked with the ash discharge equipment (such as a screw conveyor, a pneumatic conveying system, etc.) to realize automatic ash discharge, reduce manual intervention, and improve work efficiency. Through the monitoring and control of the material level meter 9, excessive accumulation of dust inside the purifier can be avoided, the risk of spontaneous combustion or explosion of dust can be reduced, and the safe operation of the system can be guaranteed. Preferably, the ash hopper 7 is funnel-shaped, and the bottom diameter is smaller than the top diameter. The ash discharge port 8 is arranged at the bottom of the ash hopper 7. This structure allows the dust to be concentrated to the bottom of the ash hopper 7 by gravity and the guidance of the inner wall of the ash hopper 7, and discharged through the ash discharge port 8 at the bottom. The operation is simple. Since the dust is mainly concentrated at the bottom, the dust residue during the ash discharge process can be minimized. Of course, an inspection hole 10 can also be set on the ash hopper 7. The inspection hole 10 allows the operator or maintenance personnel to directly observe the dust accumulation inside the ash hopper 7 and determine whether the ash discharge operation is required. In conjunction with the material level meter 9, the flexibility of the entire device is improved. It is important that the inspection hole 10 can be used to confirm whether the ash discharge port 8 is unobstructed and whether the ash discharge operation is effective, ensuring that the dust is discharged smoothly. When the ash hopper 7 needs to be cleaned or maintained, the inspection hole 10 provides a convenient observation point, which can guide the maintenance work and reduce the need to open the entire ash hopper 7.

[0038] The dust purifier 3 can be made of all-steel structural material, which can make the overall sealing performance of the dust purifier 3 good and the air leakage small, which can not only ensure the processing quality but also enhance the strength and service life. For example, the power of the fan in the dust purifier 3 is 7.5KW and the air volume is 6000m 3 / h, the wind pressure is 3000pa, and the motor in the fan is variable frequency (previously industrial frequency) and explosion-proof motor, which can improve the processing capacity of the dust purifier 3, that is, the processing capacity of the dust purifier 3 can meet the requirements, so that the dust collection effect in the bagging process is better, ensuring normal use in production and current environmental protection emission standards; and the replacement of the motor in the fan can prevent the machine from tripping (stopping) and not working after being turned on during use, thereby achieving maximum efficiency and value, and avoiding the problem of dust overflow during production.

[0039] The dust purifier 3 can adopt the existing FMQD (PPC) air box pulse bag dust collector, which combines the advantages of various types of dust collectors such as chamber fan backblowing and jet pulse, overcomes the disadvantage of insufficient kinetic energy intensity during chamber backblowing, and thus expands the application range of bag dust collectors, improves dust collection efficiency, and prolongs the service life of filter bags. It can not only purify general dust-containing gases, but also handle inlet concentrations of up to 1300g / Nm 3 High concentration gas. Specifically, the working principle of the air box pulse bag dust collector is as follows:

[0040] The flue gas and dust enter the fully automatic special high-efficiency dust purifier 3 through cooling. The main body of the fully automatic special high-efficiency dust purifier 3 is divided into multiple box areas, and there is a cylinder-driven lifting valve on the outlet pipe of each box area. When the dust collector filters the dust-containing gas for a certain period of time (or the resistance reaches the preset value), the dust cleaning controller sends a signal, and the lifting valve of the first box chamber begins to close to cut off the filtering airflow. The pulse valve of this box chamber is opened, and compressed air of about 0.5-0.8Mpa is sprayed into the clean air chamber through the pulse valve, and quickly expands into the filter bag to generate vibration to remove the dust on the outer surface of the filter bag. After this action is completed, the lifting valve is reopened, and the filter bag of this box chamber returns to the filtering state, and the next box chamber enters the cleaning state, and the above requirements are performed one by one until the last box chamber is cleaned, which is a cleaning cycle. The air box pulse bag dust collector adopts a box-type cleaning method, and the cleaning is carried out in turns by isolating each box. The pulse spray width and cleaning cycle of each dust removal chamber are automatically controlled by the cleaning program controller to ensure the cleaning effect of compressed air. The entire box design uses the inlet and outlet main pipe structure. The ash hopper can be extended under the inlet main pipe, so that the dust-containing flue gas entering directly enters the expanded ash hopper to achieve the effect of pre-dust removal, and removes the horizontal straight pipe that is prone to blockage.

[0041] This type of fully automatic special high-efficiency dust purifier 3 adopts a box chamber structure, which divides the box into several box chambers. Each box chamber works independently. The cleaning form is a large pulse valve cycle back-blowing and jet cleaning of the whole box, which combines the advantages of bag dust collectors such as chamber back-blowing and pulse cleaning; the upper box body is designed to be an upper cover. When changing the bag, open the top cover and directly pull out the filter bag and frame to complete the maintenance. The dust mass concentration of the flue gas after filtering and treatment by the FMQD series fully automatic special high-efficiency dust purifier 3 is generally less than 30mg / m 3 , and can also effectively remove fine dust in the flue gas. The dust filter bag of the bag filter is made of waterproof, oil-repellent, anti-static polyester needle-punched felt, which can make the purified gas effectively meet national and local environmental emission standards.

[0042] For the chimney type exhaust pipe 5, the height is set to 10-20 meters, and an exhaust pipe fixing cage 11 is arranged outside the chimney type exhaust pipe 5, and the exhaust pipe fixing cage 11 is connected to the chimney type exhaust pipe 5. Exemplarily, the height of the chimney type exhaust pipe 5 is 15 meters, and the exhaust pipe fixing cage 11 is arranged around the chimney type exhaust pipe 5. Thus, while the chimney type exhaust pipe 5 is stabilized by the exhaust pipe fixing cage 11, the 15-meter-high chimney type exhaust pipe 5 has a large pressure difference between the top and the bottom of the pipe, so that the gas can be discharged quickly.

[0043] As a preferred embodiment of the utility model, a monitoring platform 12 is overlapped on the chimney exhaust pipe fixed cage 11, and a first detection hole 13 is provided on the chimney exhaust pipe 5 above the monitoring platform 12, which is connected thereto. The dust concentration entering the chimney exhaust pipe 5 can also be detected through the first detection hole 13. A safety detection ladder 14 is overlapped on the side of the monitoring platform 12, and the end of the safety detection ladder 14 away from the monitoring platform 12 is supported on the ground, so that the staff can quickly come to the monitoring platform 12 through the safety detection ladder 14 to perform detection operations and other operations. Of course, a second detection hole 15 can also be provided on the air duct 6 between the dust collection hood 1 and the dust purifier 3. The second detection hole 15 monitors the concentration of dust in the air duct 6 in real time, and adjusts the air volume regulating valve 17 according to the detection situation to make accurate operation judgments.

[0044] In general, in the embodiment of the utility model, the dust in the packaging process of the sulfur particle bagging device 2 on the packaging line is collected by the dust collecting hood 1, and the dust collected by the dust collecting hood 1 is fully automatically and efficiently purified and removed by the dust purifier 3, and the gas purified and removed by the dust purifier 3 is introduced into the chimney exhaust pipe 5 by the induced draft fan 4, and the purified gas is discharged at a higher height by the chimney exhaust pipe 5, so as to realize the efficient purification of the dust in the production workshop of the sulfur particle packaging line, and the air volume conveying pipe 16 is used to limit the pressure in the air duct 6, and the air volume regulating valve 17 controls the air volume. The restrictions on the operation are improved, which improves the flexibility and accuracy of the entire device and meets the current national and local environmental protection emission standards and requirements. It effectively solves the problems that the existing ordinary dust purifier 3 is too small and the processing capacity does not meet the requirements, the air volume and air pressure of the fan in the dust purifier 3 are too small, which leads to poor dust collection effect during bagging, and the supporting motor in the fan always trips (stops) and does not work after being turned on during use, and the maximum use efficiency and value cannot be achieved, resulting in dust overflow during the production process. The technical problems, that is, the dust pollution problem in the sulfur granule packaging production workshop is effectively solved.

[0045] The above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model. It should be noted that the structures or components illustrated in the drawings are not necessarily drawn to scale, and the utility model omits the description of known components and processing technologies and processes to avoid unnecessary limitations on the utility model.

Claims

1. A dust removal device for sulfur granule packaged wire, characterized in that: It comprises the following devices which are connected in sequence through the air duct (6): A dust collecting hood (1): arranged next to the sulfur particle bagging device (2) and used to collect dust gas during the bagging process of the sulfur particle bagging device (2) on the bagging line; Dust purifier (3): used to purify and remove dust in the gas collected and transmitted by the dust collection hood (1); An induced draft fan (4) is used to introduce the gas purified and removed by the dust purifier (3) into the chimney-type exhaust pipe (5); Chimney type exhaust pipe (5): used to discharge the purified gas at a higher height; Wherein, an air volume conveying pipe (16) is also arranged beside the sulfur particle bagging device (2), and the air volume conveying pipe (16) is connected to the air duct (6) between the dust collecting hood (1) and the dust purifier (3).

2. A dust removal device for sulfur granule packaged wire according to claim 1, characterized in that: The bottom of the dust purifier (3) is provided with an ash discharge hopper (7), the ash discharge hopper (7) is provided with an ash discharge port (8), and the ash discharge hopper (7) is provided with a material level meter (9).

3. A dust removal device for sulfur granule packaged wire according to claim 2, characterized in that: The ash discharge hopper (7) is funnel-shaped, and the bottom diameter is smaller than the top diameter; the ash discharge port (8) is arranged at the bottom of the ash discharge hopper (7).

4. A dust removal device for sulfur granule packaged wire according to claim 2, characterized in that: The ash discharge hopper (7) is provided with an inspection hole (10).

5. A dust removal device for sulfur granule packaged wire according to claim 1, characterized in that: The height of the chimney type exhaust pipe (5) is 10-20 meters. An exhaust pipe fixing cage frame (11) is arranged outside the chimney type exhaust pipe (5), and the exhaust pipe fixing cage frame (11) is connected to the chimney type exhaust pipe (5).

6. A dust removal device for sulfur granule packaged wire according to claim 5, characterized in that: A monitoring platform (12) is arranged on the exhaust pipe fixing cage (11), and a first detection hole (13) is arranged on the exhaust pipe. The first detection hole (13) is arranged beside the monitoring platform (12).

7. A dust removal device for sulfur granule coated wire according to claim 6, characterized in that: A safety detection ladder (14) is overlapped on the side of the monitoring platform (12), and the bottom of the safety detection ladder (14) is in contact with the ground.

8. A dust removal device for sulfur granule packaged wire according to claim 1, characterized in that: A second detection hole (15) is provided on the air duct (6) between the dust collection hood (1) and the dust purifier (3).

9. A dust removal device for sulfur granule packaged wire according to claim 1, characterized in that: The air volume conveying pipe (16) is provided with an air volume regulating valve (17).

10. A dust removal device for sulfur granule packaged wire according to claim 1, characterized in that: The dust purifier (3) is an air box type pulse bag dust collector, and the dust purifier (3) is an air box type pulse bag dust collector. A fan is arranged inside the dust purifier (3), and the fan is connected to a motor, and the motor has frequency conversion and explosion-proof functions.

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