Low-emission environment-friendly pulse-jet cloth bag type dust collector

Abstract

The utility model relates to the technical field of bag-type dust collectors, and discloses a low-emission environment-friendly pulse-jet bag-type dust collector, which comprises a dust collector body, and an ash bucket is fixedly mounted at the bottom of the dust collector body. According to the low-emission environment-friendly pulse-jet cloth bag type dust collector, the filter bag in the dust collector body is in a state that no airflow passes through, then the pulse device is started to carry out pulse-jet dust removal by using compressed air, and the closing time of the exhaust pipe is enough to ensure that dust stripped from the filter bag settles to the dust hopper after the dust is jetted; the phenomenon that dust is attached to the surface of an adjacent filter bag along with airflow after being separated from the surface of the filter bag is avoided, dust cleaning of the filter bag is thorough, the dust is cleaned by arranging a driving device, a first rotating shaft and a cleaning plate, the dust can continuously reach a collecting box, the dust is prevented from being attached to the inner wall of a dust hopper, accumulation is avoided, and the service life of the filter bag is prolonged. Furthermore, the dust emission concentration can be obviously reduced, and the pollution to the environment is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of bag dust collectors, in particular to a low-emission environmental protection pulse jet bag dust collector. Background Technique

[0002] The pulse bag dust collector adopts the technology of sectional stop-air pulse jet cleaning, overcomes the shortcomings of conventional pulse dust collectors and sectional reverse blow dust collectors, has strong 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, good economic benefits, and is suitable for the purification of dust-containing gas and the recovery of materials in the metallurgy, building materials, cement, machinery, chemical industry, electric power, and light industry industries.

[0003] Regarding the existing related technologies, the inventor believes that the following defects often exist: during the use of the existing pulse jet bag dust collector, after the filter bag is blown, the fallen dust is easy to accumulate on the inner wall of the ash hopper, and it will cause accumulation over a long time. When dust removal is carried out again, it is easy to adhere to the filter bag again, thereby affecting the use effect of the dust collector. Content of the Utility Model

[0004] The technical problem to be solved by the utility model is: there is a shortcoming that dust is easy to accumulate on the inner wall of the ash hopper during the use of the pulse jet bag dust collector in the prior art. For this reason, we propose a low-emission environmental protection pulse jet bag dust collector.

[0005] In order to achieve the above purpose, the present application adopts the following technical solution: a low-emission environmental protection pulse jet bag dust collector, including a dust collector body, a dust hopper is fixedly installed at the bottom of the dust collector body, an air inlet pipe is fixedly penetrated through one side of the dust hopper, a pulse device is installed inside the dust collector body, a plurality of filter bags are arranged at the bottom of the pulse device, a discharge air pipe is fixed on one side of the pulse device and penetrates through the inside of the dust collector body, a filter plate is fixed on the top of the dust hopper, four driving devices are installed outside the dust hopper and are distributed in a circumferential manner, a first rotating shaft is installed on one side of the driving device and extends into the dust hopper, a cleaning plate is rotatably connected to the surface of the first rotating shaft, and the surface of the cleaning plate is in contact with the inner wall of the dust hopper.

[0006] Preferably, a collection box is installed at the bottom of the dust hopper, upper shells are fixed on both sides of the dust hopper, lower shells are fixed on both sides of the collection box, a second rotating shaft is rotatably penetrated through the inside of the lower shell, a limiting plate is fixed at one end of the second rotating shaft located inside the lower shell, moving plates are slidably connected to both sides inside the lower shell, a clamping block is fixed on one side of the moving plate, clamping grooves are opened on both sides of the upper shell, and the inside of the clamping groove is slidably connected to the clamping block.

[0007] Preferably, fixing rods are fixed on both sides inside the lower housing. Through grooves are formed on the surface of the moving plate, and the fixing rods are slidably connected to the inside of the through grooves.

[0008] Preferably, first springs are fixed on both sides inside the lower housing, and the other ends of the first springs are fixed to the moving plate.

[0009] Preferably, a sliding rod is slidably connected to the inside of the second rotating shaft. One end of the sliding rod is fixed with a knob. A plug rod is fixed on the side of the knob close to the lower housing. A slot is formed on one side of the lower housing, and the plug rod is sleeved inside the slot.

[0010] Preferably, the limiting plate is oval in shape.

[0011] Preferably, sliding grooves are formed on both sides inside the second rotating shaft, and sliding blocks are slidably connected to the inside of the sliding grooves. The other ends of the sliding blocks are fixed to the sliding rod.

[0012] Preferably, a second spring is fixed inside the second rotating shaft, and the other end of the second spring is fixed to the sliding rod.

[0013] Technical effects and advantages of the present utility model:

[0014] In the present utility model, by first closing the air duct of the exhaust duct, the filter bags inside the dust collector are in a state without air flow passing through. Then, the pulse device is activated to perform pulse jet cleaning with compressed air. The closing time of the exhaust duct is sufficient to ensure that the dust peeled off from the filter bags after jetting settles into the ash hopper, avoiding the phenomenon that the dust adheres to the surface of adjacent filter bags again with the air flow after detaching from the filter bag surface, making the filter bag cleaning thorough. Then, through the structure of the driving device, the first rotating shaft and the cleaning plate, the dust is cleaned, so that the dust can continuously reach the collection box, avoiding the dust adhering to the inner wall of the ash hopper and causing accumulation, thereby significantly reducing the dust emission concentration and reducing environmental pollution. Description of the drawings

[0015] Figure 1 is the front view structural schematic diagram of the present utility model;

[0016] Figure 2 is the internal sectional view structural schematic diagram of the present utility model;

[0017] Figure 3 is the internal sectional view structural schematic diagram of the ash hopper of the present utility model;

[0018] Figure 4 is the present utility model Figure 3 the partial enlarged view at A in;

[0019] Figure 5Schematic cross-sectional structure diagram of the interior of the housing of the present utility model;

[0020] Figure 6 For the present utility model Figure 5 Partial enlarged view at position B in it.

[0021] Legend: 1. Dust collector body; 2. Ash hopper; 3. Air inlet pipe; 4. Filter bag; 5. Pulse device; 6. Exhaust pipe; 7. Filter plate; 8. Driving device; 9. First rotating shaft; 10. Cleaning plate; 11. Collection box; 12. Upper housing; 13. Lower housing; 14. Second rotating shaft; 15. Limiting plate; 16. Moving plate; 17. Block; 18. Card slot; 19. Fixed rod; 20. Through groove; 21. First spring; 22. Slide bar; 23. Knob; 24. Insert rod; 25. Insert slot; 26. Slide groove; 27. Slide block; 28. Second spring. Specific embodiments

[0022] Now, with reference to the accompanying drawings and preferred embodiments, the present utility model will be further described in detail. These drawings are all simplified schematic diagrams, only illustrating the basic structure of the present utility model in a schematic manner, so they only show the components related to the present utility model.

[0023] Refer to Figure 1 - Figure 6 As shown, the present utility model provides a technical solution: a low-emission environmental protection pulse jet bag filter, including a dust collector body 1, a dust hopper 2 is fixedly installed at the bottom of the dust collector body 1, an air inlet pipe 3 is fixedly penetrated through one side of the dust hopper 2, a pulse device 5 is installed inside the dust collector body 1, a plurality of filter bags 4 are arranged at the bottom of the pulse device 5, an exhaust pipe 6 is fixed on one side of the pulse device 5 and penetrates through the inside of the dust collector body 1, a filter plate 7 is fixed on the top of the dust hopper 2, four driving devices 8 are installed outside the dust hopper 2 and are distributed in a circular pattern, a first rotating shaft 9 is installed on one side of the driving device 8 and extends into the dust hopper 2, a cleaning plate 10 is rotatably connected to the surface of the first rotating shaft 9, and the surface of the cleaning plate 10 is in contact with the inner wall of the dust hopper 2. By first closing the air duct of the exhaust pipe 6 to make the filter bags 4 in the dust collector body 1 in a state without air flow passing through, and then turning on the pulse device 5 to perform pulse jet cleaning with compressed air, the closing time of the exhaust pipe 6 is sufficient to ensure that the dust peeled off from the filter bags 4 after jetting settles into the dust hopper 2, avoiding the phenomenon that the dust adheres to the surface of the adjacent filter bags 4 again with the air flow after detaching from the surface of the filter bags 4, making the cleaning of the filter bags 4 thorough. Then, through the structure of the driving device 8, the first rotating shaft 9 and the cleaning plate 10, the dust is cleaned, so that the dust can continuously reach the collection box 11, avoiding the dust adhering to the inner wall of the dust hopper 2 and causing accumulation, and thus significantly reducing the dust emission concentration and reducing environmental pollution.

[0024] Refer to Figure 1 、Figure 3 , Figure 4 , Figure 5 and Figure 6 As shown in Figure 3 , Figure 4 , Figure 5 and Figure 6 , in this embodiment: A collection box 11 is installed at the bottom of the ash hopper 2, upper shells 12 are fixed on both sides of the ash hopper 2, lower shells 13 are fixed on both sides of the collection box 11, a second rotating shaft 14 is rotatably connected through the interior of the lower shell 13, a limiting plate 15 is fixed at one end of the second rotating shaft 14 located inside the lower shell 13, moving plates 16 are slidably connected to both sides inside the lower shell 13, a clamping block 17 is fixed on one side of the moving plate 16, clamping grooves 18 are formed on both sides of the upper shell 12, and the interior of the clamping groove 18 is slidably connected to the clamping block 17. First springs 21 are fixed on both sides inside the lower shell 13, and the other ends of the first springs 21 are fixed to the moving plates 16. A sliding rod 22 is slidably connected inside the second rotating shaft 14, a knob 23 is fixed at one end of the sliding rod 22, a plug rod 24 is fixed on the side of the knob 23 close to the lower shell 13, a slot 25 is formed on one side of the lower shell 13, and the interior of the slot 25 is sleeved with the plug rod 24. By arranging the collection box 11 at the bottom of the ash hopper 2 to collect the falling dust, then pulling the knob 23 to drive the plug rod 24 out of the interior of the slot 25, and then rotating the knob 23 to drive the second rotating shaft 14 to rotate, and at the same time rotating the limiting plate 15 by ninety degrees, so that the limiting plate 15 no longer blocks the moving plate 16, and using the resilience of the first spring 21 to drive the moving plate 16 to pull the clamping block 17 out of the interior of the clamping groove 18, the fixation of the collection box 11 is released, which is convenient for the user to quickly disassemble and clean the collection box 11.

[0025] Referring to Figure 1 , Figure 3 and Figure 4 As shown in Figure 1 , Figure 3 and Figure 4 , in this embodiment: Fixed rods 19 are fixed on both sides inside the lower shell 13, through grooves 20 are formed on the surface of the moving plate 16, and the interior of the through groove 20 is slidably connected to the fixed rod 19. By arranging the structure of the fixed rod 19 and the through groove 20, the movement track of the moving plate 16 can be restricted to avoid tilting.

[0026] Referring to Figure 1 , Figure 3 , Figure 4 , Figure 5 and Figure 6 As shown in Figure 1 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and , in this embodiment: The shape of the limiting plate 15 is oval. By designing the shape of the limiting plate 15 to be oval, stress can be effectively dispersed, stress concentration at the stress points of the limiting plate 15 can be reduced, better structural stability and load-bearing capacity can be provided, and thus the service life of the structure can be extended.

[0027] Referring to Figure 1 , Figure 5 and Figure 6As shown, in this embodiment: sliding grooves 26 are provided on both sides of the interior of the second rotating shaft 14, and a slider 27 is slidably connected to the interior of the sliding groove 26, and the other end of the slider 27 is fixed to the sliding rod 22. By setting the structure of the sliding groove 26 and the slider 27, the moving trajectory of the sliding rod 22 can be restricted to prevent the user from using too much force when pulling the knob 23, causing the sliding rod 22 to detach from the interior of the second rotating shaft 14.

[0028] Reference Figure 1 , Figure 5 and Figure 6 As shown, in the present embodiment: a second spring 28 is fixed inside the second rotating shaft 14, and the other end of the second spring 28 is fixed to the sliding rod 22. By setting the second spring 28, when the user pulls the knob 23 to drive the sliding rod 22 to move outward, the second spring 28 begins to stretch, and then when the insertion rod 24 needs to be reset, the rebound force of the second spring 28 is utilized to drive the knob 23 to push the insertion rod 24 into the interior of the slot 25, thereby greatly saving manpower.

[0029] Working principle: The user closes the air duct of the exhaust pipe 6 first, so that the filter bag 4 in the dust collector body 1 is in a state where there is no airflow, and then turns on the pulse device 5 to use compressed air for pulse spraying and cleaning. The closing time of the exhaust pipe 6 is sufficient to ensure that the dust peeled off from the filter bag 4 after spraying settles to the ash hopper 2, avoiding the phenomenon that the dust is attached to the surface of the adjacent filter bag 4 with the airflow after leaving the surface of the filter bag 4, so that the filter bag 4 is cleaned thoroughly, and then the dust is cleaned by setting the structure of the driving device 8, the first rotating shaft 9 and the cleaning plate 10. The dust can be swept to the collecting box 11 continuously, and the dust can be prevented from adhering to the inner wall of the ash hopper 2 and causing accumulation, thereby significantly reducing the dust emission concentration and reducing the pollution to the environment. The collecting box 11 is arranged at the bottom of the ash hopper 2 to collect the fallen dust, and then the insertion rod 24 is driven to disengage from the inside of the slot 25 by pulling the knob 23, and then the knob 23 is turned to drive the second rotating shaft 14 to rotate, and at the same time, the limiting plate 15 is rotated 90 degrees, so that the limiting plate 15 no longer blocks the moving plate 16, and the first spring is used to release the moving plate 16. The resilience of the spring 21 drives the movable plate 16 to pull the card block 17 out of the inside of the card slot 18, thereby releasing the fixation of the collection box 11, which is convenient for the user to quickly disassemble and clean the collection box 11. By setting the structure of the fixing rod 19 and the through slot 20, the moving trajectory of the movable plate 16 can be restricted to avoid tilting. By designing the shape of the limiting plate 15 to be elliptical, the stress can be effectively dispersed, the stress concentration of the limiting plate 15 at the stress point can be reduced, and better structural stability and bearing capacity can be provided, thereby extending the structure. In order to extend the service life of the slide rod 22, the structure of the slide groove 26 and the slider 27 can be provided to limit the movement trajectory of the slide rod 22, so as to prevent the user from using too much force when pulling the knob 23 and causing the slide rod 22 to disengage from the inside of the second rotating shaft 14. By providing the second spring 28, when the user pulls the knob 23 to drive the slide rod 22 to move outward, the second spring 28 begins to stretch. Then, when the insertion rod 24 needs to be reset, the rebound force of the second spring 28 is utilized to drive the knob 23 to push the insertion rod 24 into the inside of the slot 25, thereby greatly saving manpower.

[0030] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A low-emission, environmentally friendly pulse jet bag-type dust collector, comprising a dust collector body (1), characterized in that: An ash hopper (2) is fixedly mounted at the bottom of the dust collector body (1), an air inlet pipe (3) is fixedly penetrated through one side of the ash hopper (2), a pulse device (5) is installed inside the dust collector body (1), a plurality of filter bags (4) are arranged at the bottom of the pulse device (5), an exhaust pipe (6) is fixedly mounted on one side of the pulse device (5) and penetrates through the interior of the dust collector body (1), a filter plate (7) is fixed on the top of the ash hopper (2), four driving devices (8) are installed on the outside of the ash hopper (2) and are distributed in a circular pattern, a first rotating shaft (9) is installed on one side of the driving device (8) and extends to the interior of the ash hopper (2), a cleaning plate (10) is rotatably connected to the surface of the first rotating shaft (9), and the surface of the cleaning plate (10) contacts the inner wall of the ash hopper (2).

2. A low-emission environmentally friendly pulse jet bag type dust collector according to claim 1, characterized in that: A collecting box (11) is installed at the bottom of the ash hopper (2), an upper shell (12) is fixed on both sides of the ash hopper (2), a lower shell (13) is fixed on both sides of the collecting box (11), a second rotating shaft (14) is rotatably connected to the interior of the lower shell (13), a limiting plate (15) is fixed to one end of the second rotating shaft (14) located inside the lower shell (13), a moving plate (16) is slidably connected to both sides of the interior of the lower shell (13), a clamping block (17) is fixed to one side of the moving plate (16), and a clamping groove (18) is provided on both sides of the upper shell (12), and the interior of the clamping groove (18) is slidably connected to the clamping block (17).

3. A low-emission environmentally friendly pulse jet bag type dust collector according to claim 2, characterized in that: Fixed rods (19) are fixed on both sides of the lower shell (13), and a through slot (20) is provided on the surface of the movable plate (16). The interior of the through slot (20) is slidably connected to the fixed rod (19).

4. A low-emission environmentally friendly pulse jet bag type dust collector according to claim 2, characterized in that: First springs (21) are fixed on both sides of the interior of the lower shell (13), and the other end of the first spring (21) is fixed to the moving plate (16).

5. The low-emission environmentally friendly pulse jet bag dust collector according to claim 2 is characterized by: The second rotating shaft (14) is slidably connected to a sliding rod (22) inside, a knob (23) is fixed to one end of the sliding rod (22), an insertion rod (24) is fixed to a side of the knob (23) close to the lower shell (13), a slot (25) is provided on one side of the lower shell (13), and the inside of the slot (25) is sleeved with the insertion rod (24).

6. The low-emission environmentally friendly pulse jet bag dust collector according to claim 2 is characterized by: The limiting plate (15) is in an elliptical shape.

7. The low-emission environmentally friendly pulse jet bag type dust collector according to claim 2 is characterized by: Slide grooves (26) are provided on both sides of the second rotating shaft (14), and a slider (27) is slidably connected inside the slide groove (26), and the other end of the slider (27) is fixed to the slide rod (22).

8. The low-emission environmentally friendly pulse jet bag type dust collector according to claim 2 is characterized by: A second spring (28) is fixed inside the second rotating shaft (14), and the other end of the second spring (28) is fixed to the sliding rod (22).

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