Energy-saving pulse dust removal device

Abstract

The utility model relates to the field of factory dust removal, in particular to an energy-saving pulse dust removal device which comprises a shell, a plurality of dust removal bags are arranged in the shell, a pulse generator is fixedly arranged on the outer wall of the shell, the output end of the pulse generator extends into the shell, and the end of the pulse generator is located above the corresponding dust removal bags. An energy-saving control module for controlling the dust removal efficiency is arranged on the shell, a discharging hopper is fixedly arranged at the bottom of the shell, and an anti-explosion module capable of performing electrostatic control on the interior of the shell is fixedly arranged on the shell; the energy-saving pulse dust removal device disclosed by the utility model can be used for filtering dust, cleaning the dust removal bag in a pulse dust removal manner, and controlling the circulation speed of airflow according to actual conditions, so that the energy-saving control is realized when the dust is less, the frequency of pulse dust removal can be controlled, and the energy-saving control of the whole equipment is realized; energy consumption is reduced, overall efficiency is improved, and the service life of the filter bag is prolonged.

Description

Technical Field

[0001] This utility model relates to the field of factory dust removal, specifically an energy-saving pulse dust removal device. Background Technology

[0002] Pulse jet dust collectors are highly efficient industrial dust removal devices widely used in various industrial sectors, such as steel, metallurgy, chemical, power, and building materials. They remove dust particles from the gas by using a burst of compressed air to clean the filter media (usually filter bags or cartridges). However, for industrial equipment operating for extended periods, continuously using pulse jet dust collectors at high power wastes significant energy, resulting in substantial economic losses. Furthermore, prolonged high-power operation causes wear and tear on filter bags and other components, reducing their lifespan and leading to higher maintenance and replacement costs. Therefore, energy-saving control based on actual production conditions is necessary. Utility Model Content

[0003] The purpose of this invention is to overcome the defects described in the background art, thereby realizing an energy-saving pulse dust collector. This device can filter dust in the airflow, clean the dust collector bag through pulse dust removal, and control the airflow speed according to the actual situation, thereby achieving energy-saving control when there is less dust. At the same time, the frequency of pulse dust removal can be controlled according to the airflow speed, and the pulse time interval can be extended to achieve energy-saving control of the overall equipment, reduce energy consumption and improve overall efficiency. Meanwhile, the service life of the filter bag can be extended by reducing the dust removal frequency.

[0004] To achieve the aforementioned objectives, the technical solution of this utility model is: an energy-saving pulse dust collector, comprising a housing, inside which multiple dust collection bags are arranged. A pulse generator is fixedly mounted on the outer wall of the housing, the output end of which extends into the housing and its end is positioned above the corresponding dust collection bag. An energy-saving control module for controlling dust collection efficiency is provided on the housing. A discharge hopper is fixedly mounted at the bottom of the housing, and an explosion-proof module for electrostatic control of the housing interior is fixedly mounted on the housing.

[0005] In the above-mentioned energy-saving pulse dust removal device, the housing is placed on the ground by a bracket fixed at its bottom.

[0006] A horizontally fixed partition is installed inside the housing, dividing the interior into a dust collection chamber and an exhaust chamber. The top of the dust collection bag is fixedly mounted on the partition, with the top opening of the dust collection bag located inside the exhaust chamber and the bottom of the dust collection bag located inside the dust collection chamber. This achieves filtration of dust in the airflow, while simultaneously cleaning the dust collection bag through pulse dust removal.

[0007] An exhaust port is provided on the shell on the side of the exhaust chamber.

[0008] In the above-mentioned energy-saving pulse dust removal device, at least two inspection ports are provided on the side of the housing, and the inspection ports are respectively connected to the dust removal chamber and the exhaust chamber.

[0009] A maintenance cover that can cover the access port is hinged to the outer wall of the housing. A limiting bolt adapted to the maintenance cover is hinged to the side of the housing. A handwheel threaded onto the limiting bolt can fix the position of the maintenance cover. This facilitates the maintenance of parts inside the housing.

[0010] In the above-mentioned energy-saving pulse dust removal device, the output end of the pulse generator is fixedly provided with multiple pipes, all of which extend into the interior of the exhaust chamber and the outlet of the pipes are respectively located at the top opening of the corresponding dust collection bag.

[0011] In the aforementioned energy-saving pulse dust collector, the energy-saving control module includes a blower with a variable frequency motor fixedly mounted on the outer wall of the housing. The blower's air inlet and exhaust outlet are connected, and an air velocity sensor is fixedly mounted inside the exhaust outlet. The intensity of the ventilation and the time interval of the pulse dust collection are controlled according to actual conditions to achieve energy-saving control of the overall equipment.

[0012] In the above-mentioned energy-saving pulse dust collector, the bottom of the discharge hopper is provided with a discharge port, and the side of the discharge hopper is provided with an air inlet.

[0013] In the aforementioned energy-saving pulse dust collector, the explosion-proof module includes a moisture control unit. The moisture control unit includes a water tank fixedly mounted on the outer wall of the discharge hopper. An atomizer is fixedly mounted inside the water tank, and the atomizer's spray pipe penetrates the outer wall of the discharge hopper and extends into the hopper. This humidifies the dust, reduces its resistivity, and decreases the probability of static electricity.

[0014] A humidity sensor is fixedly installed on the inner wall of the housing inside the exhaust chamber to detect the humidity inside the equipment.

[0015] In the aforementioned energy-saving pulse dust collector, the mist outlet of the spray pipe is located below the end of the spray pipe to prevent dust accumulation and blockage. A water inlet is located at the top of the water tank, and a transparent plate is fixedly installed on the outer wall of the water tank for easy viewing of the internal water level.

[0016] In the aforementioned energy-saving pulse dust collector, the explosion-proof module includes a pressure relief unit. This unit includes a pressure relief port at the top of the housing, a top cover hinged to the top of the housing to cover the pressure relief port, and a sealing strip fixedly installed on the top cover at the contact point with the housing. An electric actuator is hinged to the side wall of the housing, with its telescopic end hinged to one side of the bottom of the top cover. This design allows for timely pressure relief when internal pressure is excessive, preventing excessive pressure and increasing the probability of dust explosions.

[0017] A pressure sensor is fixedly installed on the inner wall of the shell inside the dust removal chamber.

[0018] Compared with the prior art, the energy-saving pulse dust collector of this utility model has at least the following beneficial effects:

[0019] 1. The energy-saving pulse dust collector of this utility model is equipped with multiple dust collection bags located inside the housing. A pulse generator is fixedly installed on the outer wall of the housing, and an energy-saving control module for controlling dust collection efficiency is also provided. It can filter dust in the airflow and clean the dust collection bags through pulse dust collection. It can also control the airflow speed according to the actual situation, thereby achieving energy-saving control when there is less dust. At the same time, the frequency of pulse dust collection can be controlled according to the airflow speed, and the pulse time interval can be extended to achieve energy-saving control of the overall equipment, reduce energy consumption and improve overall efficiency. Meanwhile, by reducing the dust collection frequency, the service life of the filter bags can be extended.

[0020] 2. The energy-saving pulse dust removal device of this utility model is equipped with an explosion-proof module that can control the static electricity inside the shell. It can control the dust resistance and pressure inside the equipment through two methods: dust humidification and exhaust pressure relief, thereby reducing the probability of static electricity generation and the occurrence of excessive pressure. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of the energy-saving pulse dust removal device of this utility model;

[0022] Figure 2 This is a schematic diagram of the maintenance status of the energy-saving pulse dust removal device of this utility model;

[0023] Figure 3 This is a schematic diagram of the internal structure of the energy-saving pulse dust removal device of this utility model.

[0024] In the diagram: 1. Housing; 2. Dust collector bag; 3. Pulse generator;

[0025] 4. Energy-saving control module; 41. Blower; 42. Airflow sensor;

[0026] 5. Discharge hopper;

[0027] 6. Explosion-proof module; 61. Humidity control unit; 611. Water tank; 612. Atomizer; 613. Spray pipe; 614. Humidity sensor; 615. Water inlet; 616. Transparent plate;

[0028] 62. Pressure relief unit; 621. Pressure relief port; 622. Top cover; 623. Sealing strip; 624. Electric actuator; 625. Pressure sensor;

[0029] 7. Support; 8. Partition; 9. Dust removal chamber; 10. Exhaust chamber; 11. Exhaust port; 12. Inspection port; 13. Inspection cover; 14. Limit bolt; 15. Handwheel; 16. Pipeline; 17. Discharge port; 18. Air inlet. Detailed Implementation

[0030] The energy-saving pulse dust removal device of this utility model will be described in more detail below with reference to the accompanying drawings and specific embodiments.

[0031] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0032] See Figures 1-3 This embodiment of the energy-saving pulse dust collector can filter dust in the airflow and clean the dust collection bag 2 through pulse dust removal. It can also control the airflow speed according to actual conditions, thereby achieving energy-saving control when dust levels are low. Simultaneously, the frequency of pulse dust removal can be controlled according to the airflow speed, extending the pulse interval. This achieves overall energy-saving control of the equipment, reducing energy consumption and improving overall efficiency, while extending the service life of the filter bag by reducing the dust removal frequency. In this embodiment, it mainly includes a housing 1, which is placed on the ground by a bracket 7 fixedly mounted at its bottom. A partition 8 is horizontally fixed inside the housing 1, dividing the interior of the housing 1 into a dust removal chamber 9 and an exhaust chamber 10. A discharge hopper 5 is fixedly mounted at the bottom of the housing 1, with a discharge port 17 at the bottom and an air inlet 18 on the side. Air enters the hopper through the air inlet 18, and dust is discharged through the discharge port 17.

[0033] The housing 1 contains multiple dust collection bags 2. The top of each dust collection bag 2 is fixedly mounted on a partition 8, with its top opening located within an exhaust chamber 10 and its bottom within a dust collection chamber 9. Air entering the dust collection chamber 9 inside the housing 1 is filtered by the dust collection bags 2. The filtered air then enters the exhaust chamber 10 above the partition 8 through the top opening of the dust collection bag 2, leaving the dust on the outer surface of the filter bag. A pulse generator 3 is fixedly mounted on the outer wall of the housing 1. This pulse generator 3 is a mature existing technology and will not be described in detail here. The output end of the pulse generator 3 extends into the housing 1, with its end located above the corresponding dust collection bag 2. Multiple pipes 16 are fixedly mounted on the output end of the pulse generator 3. All pipes 16 extend into the exhaust chamber 10, and their outlets are located at the top openings of the corresponding dust collection bags 2. The pulse generator 3 is controlled to operate, blowing gas downwards through pipe 16 towards the top opening of the dust collector bag 2, thereby cleaning the dust collector bag 2 through pulse dust removal.

[0034] For ease of inspection and maintenance of internal parts. See also Figure 1 and Figure 2 In this embodiment, at least two access ports 12 are provided on the side of the housing 1, and the access ports 12 are respectively connected to the dust removal chamber 9 and the exhaust chamber 10. An access cover 13 is hinged to the outer wall of the housing 1 to cover the access ports 12. A limiting bolt 14 adapted to the access cover 13 is hinged to the side of the housing 1. A handwheel 15 for fixing the position of the access cover 13 is threaded onto the limiting bolt 14. When maintenance is required, the handwheel 15 is turned to release the fixing of the access cover 13. At this time, the access cover 13 can be opened to inspect the internal parts through the access ports 12. After maintenance, the access cover 13 is closed again to cover the access ports 12, and the position of the access cover 13 is fixed by the handwheel 15.

[0035] To achieve energy-saving control, in this embodiment, see... Figure 3An exhaust port 11 is provided on the housing 1 on the side of the exhaust chamber 10. An energy-saving control module 4 for controlling dust removal efficiency is provided on the housing 1. The energy-saving control module 4 includes a blower 41 with a variable frequency motor fixedly mounted on the outer wall of the housing 1. The variable frequency motor is a mature existing technology and will not be described in detail here. The air inlet of the blower 41 is connected to the exhaust port 11, and an air velocity sensor 42 is fixedly installed inside the exhaust port 11. The variable frequency motor is controlled according to the actual situation to change the suction intensity of the blower 41, thereby achieving energy-saving control when there is less dust. Simultaneously, the frequency of pulse dust removal is controlled according to the air velocity detected by the air velocity sensor 42, extending the pulse time interval to achieve overall energy-saving control of the equipment, reducing energy consumption and improving overall efficiency. At the same time, reducing the dust removal frequency extends the service life of the filter bags.

[0036] To achieve explosion-proof treatment of the device. See details. Figures 1-3 An explosion-proof module 6 for electrostatic control of the interior of the housing 1 is fixedly installed on the housing 1. The explosion-proof module 6 includes a moisture control unit 61, which includes a water storage tank 611 fixedly installed on the outer wall of the discharge hopper 5. An atomizer 612 is fixedly installed inside the water storage tank 611. The atomizer 612 is a mature existing technology and will not be described in detail here. The spray pipe 613 of the atomizer 612 penetrates the outer wall of the discharge hopper 5 and extends into the interior of the discharge hopper 5. The mist outlet of the spray pipe 613 is located below the end of the spray pipe 613 to avoid dust accumulation and blockage. A humidity sensor 614 is fixedly installed on the inner wall of the housing 1 inside the exhaust chamber 10. A water inlet 615 is opened at the top of the water storage tank 611, and a transparent plate 616 is fixedly installed on the outer wall of the water storage tank 611. The transparent plate 616 can be made of transparent and impact-resistant materials such as tempered glass or acrylic sheet. Liquid is poured into the water tank 611 through the inlet 615, and the water level inside the tank 611 can be monitored in real time through the transparent panel 616. During operation, the atomizer 612 is controlled based on the humidity signal fed back by the humidity sensor 614, converting the liquid into a mist and spraying it into the dust removal chamber 9 through the spray pipe 613, thereby humidifying the gas entering through the air inlet 18. This reduces the resistivity of the dust and decreases the risk of dust explosion due to static electricity.

[0037] The explosion-proof module 6 includes a pressure relief unit 62, which includes a pressure relief port 621 at the top of the housing 1. A top cover 622, which can cover the pressure relief port 621, is hinged to the top of the housing 1. A sealing strip 623 is fixedly installed on the top cover 622 at the contact position with the housing 1. An electric actuator 624 is hinged to the side wall of the housing 1, and the telescopic end of the electric actuator 624 is hinged to the bottom side of the top cover 622. A pressure sensor 625 is fixedly installed on the inner wall of the housing 1 inside the dust removal chamber 9. The electric actuator 624 is controlled to work according to the signal fed back by the pressure sensor 625, thereby lifting the top cover 622 upward and exposing the pressure relief port 621. This allows for timely pressure relief when the internal pressure is too high, preventing excessive pressure and increasing the probability of dust explosion.

[0038] The method of using the energy-saving pulse dust collector of this utility model is as follows: First, liquid is poured into the water storage tank 611 through the water inlet 615, and the water level in the water storage tank 611 is monitored in real time through the transparent plate 616. During operation, the atomizer 612 is controlled to work according to the humidity signal fed back by the humidity sensor 614, converting the liquid into a mist state and spraying it into the dust collection chamber 9 through the spray pipe 613, thereby humidifying the gas entering through the air inlet 18. This reduces the resistivity of the dust and decreases the risk of dust explosion due to static electricity. When the dust collector is working, the variable frequency motor is controlled to work according to the actual situation, changing the suction intensity of the blower 41, thereby achieving energy-saving control when there is less dust. At this time, the blower 41 draws air into the storage hopper from the air inlet 18, and the dust is filtered through the dust collection bag 2. The filtered air then enters the exhaust chamber 10 above the partition 8 through the top opening of the dust collection bag 2, while the dust remains on the outer surface of the filter bag. The filtered air is then drawn out by the blower 41 from the exhaust port 11.

[0039] During this process, the pulse generator 3 is activated, blowing gas downwards through pipe 16 towards the top opening of the dust bag 2, thereby cleaning the dust bag 2 through pulse dust removal. Simultaneously, the frequency of the pulse dust removal is controlled based on the airflow velocity detected by the airflow sensor 42, extending the pulse interval to achieve energy-saving control of the overall equipment, reducing energy consumption and improving overall efficiency. At the same time, reducing the dust removal frequency extends the service life of the filter bags. Furthermore, the electric actuator 624 is activated based on the signal feedback from the pressure sensor 625, lifting the top cover 622 upwards and exposing the pressure relief port 621. This allows for timely pressure relief when internal pressure is excessive, preventing excessive pressure and increasing the probability of dust explosion.

[0040] When maintenance is required, turn the handwheel 15 to release the fixing of the maintenance cover 13. At this time, the maintenance cover 13 can be opened to inspect the internal parts through the maintenance port 12. After maintenance, the maintenance cover 13 is put back on the maintenance port 12, and the position of the maintenance cover 13 is fixed by the handwheel 15.

[0041] Unless otherwise defined, the technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention pertains. The use of terms such as "a" or "an" in this specification and claims does not necessarily indicate a limitation on quantity. Terms such as "comprising" or "including" mean that the element or object preceding the word encompasses the element or object listed following the word and its equivalents, without excluding other elements or objects. Terms such as "connected" or "linked" are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect.

[0042] The exemplary embodiments of the present invention have been described in detail above with reference to preferred embodiments. However, those skilled in the art will understand that various modifications and alterations can be made to the above specific embodiments without departing from the concept of the present invention, and various combinations can be made to the various technical features and structures proposed by the present invention without exceeding the protection scope of the present invention.

Claims

1. An energy-saving pulse dust collector, characterized in that: The device includes a housing (1), inside which are arranged multiple dust collection bags (2), and a pulse generator (3) is fixedly arranged on the outer wall of the housing (1). The output end of the pulse generator (3) extends into the interior of the housing (1) and its end is located above the corresponding dust collection bag (2). An energy-saving control module (4) for controlling dust collection efficiency is arranged on the housing (1). A discharge hopper (5) is fixedly arranged at the bottom of the housing (1). An explosion-proof module (6) for electrostatic control of the interior of the housing (1) is fixedly arranged on the housing (1).

2. The energy-saving pulse dust collector according to claim 1, characterized in that: The housing (1) is placed on the ground by a bracket (7) fixedly installed at its bottom; A partition (8) is fixedly installed horizontally inside the housing (1). The partition (8) divides the interior of the housing (1) into a dust removal chamber (9) and an exhaust chamber (10). The top of the dust removal bag (2) is fixedly installed on the partition (8). The top opening of the dust removal bag (2) is located inside the exhaust chamber (10), and the bottom of the dust removal bag (2) is located inside the dust removal chamber (9). An exhaust port (11) is provided on the housing (1) on the side of the exhaust chamber (10).

3. The energy-saving pulse dust collector according to claim 2, characterized in that: The housing (1) has at least two access ports (12) on its side, which are connected to the dust removal chamber (9) and the exhaust chamber (10) respectively. The outer wall of the housing (1) is hinged with an inspection cover (13) that can cover the inspection port (12). The housing (1) on the side of the inspection cover (13) is hinged with a limiting bolt (14) that is compatible with the inspection cover (13). The limiting bolt (14) is threaded with a handwheel (15) that can fix the position of the inspection cover (13).

4. The energy-saving pulse dust collector according to claim 2, characterized in that: The output end of the pulse generator (3) is fixedly provided with multiple pipes (16), all of which extend into the interior of the exhaust chamber (10) and the outlet of the pipes (16) is located at the top opening of the corresponding dust bag (2).

5. The energy-saving pulse dust collector according to claim 2, characterized in that: The energy-saving control module (4) includes a blower (41) with a variable frequency motor fixedly installed on the outer wall of the housing (1). The air inlet of the blower (41) is connected to the exhaust port (11). An air flow sensor (42) is fixedly installed inside the exhaust port (11).

6. The energy-saving pulse dust collector according to claim 1, characterized in that: The bottom of the discharge hopper (5) is provided with a discharge port (17), and the side of the discharge hopper (5) is provided with an air inlet (18).

7. The energy-saving pulse dust collector according to claim 2, characterized in that: The explosion-proof module (6) includes a moisture control unit (61), which includes a water storage tank (611) fixedly installed on the outer wall of the discharge hopper (5). An atomizer (612) is fixedly installed inside the water storage tank (611), and the spray pipe (613) of the atomizer (612) extends through the outer wall of the discharge hopper (5) and into the interior of the discharge hopper (5). A humidity sensor (614) is fixedly installed on the inner wall of the housing (1) inside the exhaust chamber (10).

8. The energy-saving pulse dust collector according to claim 7, characterized in that: The mist outlet of the spray pipe (613) is located below the end of the spray pipe (613), and the top of the water storage tank (611) is provided with a water inlet (615). A transparent plate (616) is fixedly installed on the outer wall of the water storage tank (611).

9. The energy-saving pulse dust collector according to claim 2, characterized in that: The explosion-proof module (6) includes a pressure relief unit (62), which includes a pressure relief port (621) opened at the top of the housing (1). A top cover (622) that can cover the pressure relief port (621) is hinged to the top of the housing (1). A sealing strip (623) is fixedly provided on the top cover (622) at the contact position with the housing (1). An electric push rod (624) is hinged to the side wall of the housing (1). The telescopic end of the electric push rod (624) is hinged to the bottom side of the top cover (622). A pressure sensor (625) is fixedly installed on the inner wall of the housing (1) inside the dust removal chamber (9).

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