High-leakproofness low-pressure pulse bag-type dust collector

Abstract

The utility model discloses a low-pressure pulse bag-type dust collector with high leakproofness, which comprises a dust collection box body and a dust hopper arranged at the bottom end of the dust collection box body, the dust collection box body is communicated with the inside of the dust hopper, placing support columns are welded at four corners of the bottom end of the dust collection box body, and the bottom ends of the placing support columns are flush with each other. A novel vibration ash discharge device is additionally arranged on the outer wall of the dust removal box body of the high-leakproofness low-pressure pulse bag-type dust remover, and the vibration ash discharge device mainly provides vibration force through a vibration motor in a metal box; the vibration force is greatly amplified by a plurality of resonance springs and then is transmitted to the high-leakproofness low-pressure pulse bag-type dust collector, so that when the low-pressure pulse injection pipe is used for discharging dust, the vibration generated by the vibration dust discharging device can synchronously act on the dust collector, and the dust discharging effect can be improved through the vibration; and the situation that stubborn dust is easily attached and is difficult to clean when the dust removal filter bag is blown by the low-pressure pulse blowing pipe is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field related to bag dust collectors, and particularly relates to a low-pressure pulse bag dust collector with high airtightness. Background Art

[0002] The highly airtight, low-pressure pulse bag dust collector is an advanced industrial dust control equipment designed to process and purify particulate matter in the air to meet stringent environmental protection requirements. The design of this equipment focuses on the high efficiency of its sealed structure and the optimization of low-pressure pulse cleaning technology. In industrial production processes, dust pollution is a serious environmental problem. In order to effectively control dust emissions, protect the health of workers and the normal operation of equipment, it is particularly important to adopt efficient dust removal technology. The highly airtight, low-pressure pulse bag dust collector ensures that dust will not leak during the treatment process through a sealed dust collection box and ash hopper structure, thereby improving the overall efficiency of the dust removal system. The equipment's bag filtration system captures dust through multi-layer bags, which can effectively handle dust of various particle sizes and ensure that the purified gas meets environmental protection standards.

[0003] However, the low-pressure pulse bag dust collector mainly uses a low-pressure pulse jet pipe to perform low-pressure pulse spraying on the dust filter bag inside the dust collector, so that the dust attached to the outer wall of the dust filter bag is blown away by the low-pressure pulse jet. However, dust with higher humidity will stubbornly adhere to the outer wall of the dust filter bag. It is difficult to clean the stubbornly attached dust by low-pressure pulse spraying, which will affect the dust removal effect of the dust filter bag, and when the ash hopper discharges dust through the ash discharge valve at the bottom, it will also easily clog the ash discharge valve. Utility Model Content

[0004] The purpose of the utility model is to provide a low-pressure pulse bag dust collector with high airtightness, so as to solve the problem proposed in the above background technology that when the dust filter bag is discharged by low-pressure pulse blowing, dust with high humidity will stubbornly adhere to the outer wall of the dust filter bag, and it is difficult to clean the stubbornly attached dust by low-pressure pulse blowing, which will affect the dust removal effect of the dust filter bag.

[0005] To achieve the above-mentioned object, the utility model provides the following technical solutions: a low-pressure pulse bag dust collector with high airtightness, comprising a dust collection box and an ash hopper arranged at the bottom of the dust collection box, the dust collection box being connected to the interior of the ash hopper, support pillars being welded at the four corners of the bottom of the dust collection box, the bottom ends of the plurality of support pillars being flush, an ash discharge valve being provided at the bottom of the ash hopper, a box end cover being fixed to the top of the dust collection box by screws, and a vibrating ash discharge device being provided on the outer wall of the left end of the bottom of the dust collection box;

[0006] The vibrating dust removal device includes a metal box, a chassis box, a metal end cover and a metal fixing plate. A metal fixing plate is welded to the right end of the metal box, and the metal fixing plate is fixed to the outer wall of the left end of the dust removal box by multiple screws. A chassis box is arranged at the center of the metal box, and a metal end cover is arranged at the top of the metal box. The metal end cover is fixed to the metal box by multiple screws.

[0007] Preferably, the vibrating dust removal device also includes a pressure plate, a resonant spring and a vibration motor. A vibration motor is fixed inside the chassis box, and the vibration motor is connected to the external controller wires through wires. There are four pressure plates, and the four pressure plates are respectively located on the upper and lower sides and the left and right sides of the chassis box. Multiple resonant springs are connected between the four pressure plates and the chassis box.

[0008] Preferably, the longitudinal length of the pressing plate is equal to the longitudinal length inside the metal box. When the vibration motor is running, the vibration can be transmitted to multiple resonant springs through the chassis box, and the multiple resonant springs can amplify the vibration force through spring elasticity.

[0009] Preferably, a dust gas inlet is provided at the center of the right end of the ash hopper, a clean air outlet is provided at the left end of the top of the dust removal box, flanges are provided at the right end of the dust gas inlet and the left end of the clean air outlet, an inspection window is provided inside the front end of the bottom of the dust removal box, and an inspection door is provided outside the front end of the inspection window.

[0010] Preferably, an air bag bracket is provided on the upper side of the center of the front outer wall of the dust removal box, a pulse air bag is fixed to the upper end of the air bag bracket through a fixing ring, and a plurality of low-pressure pulse valves are equidistantly provided at the top of the pulse air bag.

[0011] Preferably, an integrated board is provided on the upper side of the inner center of the dust removal box, a plurality of venturi tubes are plugged and fixed in the integrated board, a low-pressure pulse blowing pipe is provided at the rear end of the low-pressure pulse valve, and the low-pressure pulse blowing pipe is located parallel to the upper side of the integrated board.

[0012] Preferably, a filter bag frame is provided at the bottom end of the venturi tube, and a dust filter bag is provided in the filter bag frame.

[0013] Preferably, the dust removal box body is in a cubic structure as a whole, and the ash hopper is in a conical structure with a small bottom and a large top. The outer walls of the dust removal box body and the ash hopper are sprayed with paint for corrosion and rust prevention.

[0014] Compared with the existing technology, the utility model provides a low-pressure pulse bag dust collector with high airtightness, which has the following beneficial effects:

[0015] The utility model adds a novel vibrating dust discharge device to the outer wall of the dust collector box of the highly airtight low-pressure pulse bag dust collector. The vibrating dust discharge device mainly provides vibration force through the vibration motor inside the metal box, and the vibration force is greatly amplified by multiple resonant springs and then transmitted to the highly airtight low-pressure pulse bag dust collector. In this way, when dust is discharged through the low-pressure pulse blowing pipe, the vibration generated by the vibrating dust discharge device will act on the dust collector synchronously, which can increase the dust discharge effect through vibration and avoid the situation that stubborn dust is easily attached and difficult to clean when the low-pressure pulse blowing pipe blows the dust filter bag. At the same time, when the ash hopper discharges ash through the ash discharge valve at the bottom, the vibration force generated by the vibrating ash discharge device will act on the ash hopper, which can help the ash hopper to quickly discharge the dust through the ash discharge valve and avoid the ash discharge valve from being blocked. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the external front planar structure of a low-pressure pulse bag dust collector with high airtightness according to the present invention.

[0017] Figure 2 This is a schematic diagram of the internal right-side planar structure of a low-pressure pulse bag dust collector with high airtightness of the utility model.

[0018] Figure 3 It is a schematic diagram of the internal planar structure of the vibration dust removal device of the present invention.

[0019] In the figure: 1. Inspection door; 2. Dust and gas inlet; 3. Ash discharge valve; 4. Support pillar; 5. Ash hopper; 6. Vibrating ash discharge device; 7. Dust removal box; 8. Air bag bracket; 9. Clean air outlet; 10. Box end cover; 11. Low-pressure pulse valve; 12. Pulse air bag; 13. Low-pressure pulse injection pipe; 14. Venturi tube; 15. Integrated board; 16. Dust filter bag; 17. Filter bag frame; 18. Metal box; 19. Pressing plate; 20. Resonant spring; 21. Chassis box; 22. Vibrating motor; 23. Metal end cover; 24. Metal fixing plate. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] The utility model provides Figure 1-3The shown low-pressure pulse bag dust collector with high airtightness includes a dust collection box body 7 and an ash hopper 5 arranged at the bottom of the dust collection box body 7. The dust collection box body 7 is connected to the inside of the ash hopper 5. The four corners of the bottom end of the dust collection box body 7 are welded with placement pillars 4, and the bottom ends of multiple placement pillars 4 are flush. An ash discharge valve 3 is provided at the bottom end of the ash hopper 5. The top of the dust collection box body 7 is fixed with a box end cover 10 by screws. A dust and gas inlet 2 is provided at the center of the right end of the ash hopper 5, and a clean air outlet 9 is provided at the left end of the top of the dust collection box body 7. Flanges are provided at the right end of the dust and gas inlet 2 and the left end of the clean air outlet 9. An inspection window is provided inside the front end of the bottom of the dust collection box body 7, and an inspection door 1 is provided outside the front end of the inspection window. The dust collection box body 7 is a cubic structure as a whole, and the ash hopper 5 is a cone structure with a small bottom and a large top. The outer walls of the dust collection box body 7 and the ash hopper 5 are sprayed with paint. In order to prevent corrosion and rust, the highly airtight low-pressure pulse bag dust collector is mainly placed on the ground through multiple placement pillars 4. Before use, the dust gas conveying pipe needs to be connected to the dust gas inlet 2 at the right end of the ash hopper 5, and then the clean gas conveying pipe needs to be connected to the clean gas outlet 9 at the left end of the dust collection box 7. Then, the dust gas to be filtered needs to be conveyed to the inside of the ash hopper 5 through the dust gas conveying pipe, and the dust gas conveyed to the inside of the ash hopper 5 will be conveyed upward, so that the dust gas must pass through the dust filter bags 16 inside the multiple filter bag frames 17. When the dust-laden gas passes through the dust filter bags 16, the dust will be captured on the surface of the dust filter bags 16, and the filtered clean gas will be discharged from the inside of the dust filter bags 16, so that the dust gas can be purified and filtered, and the gas after purification and filtration will be discharged through the clean gas outlet 9.

[0022] like Figure 1 and Figure 2As shown, an air bag bracket 8 is provided on the upper side of the center of the outer wall of the front end of the dust removal box 7, and a pulse air bag 12 is fixed to the upper end of the air bag bracket 8 through a fixing ring. A plurality of low-pressure pulse valves 11 are equidistantly provided on the top of the pulse air bag 12, and an integrated board 15 is provided on the upper side of the center of the interior of the dust removal box 7. A plurality of venturi tubes 14 are plugged and fixed in the integrated board 15, and a low-pressure pulse blowing pipe 13 is provided at the rear end of the low-pressure pulse valve 11. The low-pressure pulse blowing pipe 13 is located parallel to the upper side of the integrated board 15, and a filter bag frame 17 is provided at the bottom end of the venturi tube 14. A dust filter bag 16 is provided in the filter bag frame 17. When there is a lot of dust attached to the dust filter bag 16, it is necessary to use low-pressure pulse to clean it. To discharge ash, specifically, the pulse air bag 12 will blow air to the low-pressure pulse blowing pipe 13 through the low-pressure pulse valve 11, and the low-pressure pulse blowing pipe 13 will perform low-pressure pulse blowing on the inside of multiple dust filter bags 16, so that the dust attached to the outer wall of the dust filter bag 16 will be removed and fall into the ash hopper 5. When there is a lot of dust accumulated in the ash hopper 5, it is only necessary to open the ash discharge valve 3 to discharge the dust in the ash hopper 5, and the pulse air bag 12 uses a low-pressure air source for pulse blowing. This low-pressure pulse blowing method can effectively clean the dust filter bag 16, while reducing mechanical damage to the dust filter bag 16 and extending the service life of the dust filter bag 16.

[0023] like Figure 1 and Figure 3 As shown, a vibrating dust removal device 6 is provided on the outer wall of the left end of the bottom of the dust removal box 7. The vibrating dust removal device 6 includes a metal box 18, a chassis box 21, a metal end cover 23 and a metal fixing plate 24. A metal fixing plate 24 is welded to the right end of the metal box 18, and the metal fixing plate 24 is fixed to the outer wall of the left end of the dust removal box 7 by multiple screws. A chassis box 21 is provided at the center of the inside of the metal box 18, and a metal end cover 23 is provided at the top of the metal box 18. The metal end cover 23 is fixed to the metal box 18 by multiple screws. The vibrating dust removal device 6 also includes a pressing plate 19, a resonant spring 20 and a vibration motor 22. A vibration motor 22 is fixed inside the chassis box 21, and the vibration motor 22 is connected to the external controller wires through wires. Four pressing plates 19 are provided, and the four pressing plates 19 are respectively located on the upper and lower sides and the left and right sides of the chassis box 21. Multiple resonant springs 20 are connected between the four pressing plates 19 and the chassis box 21.

[0024] like Figure 1 and Figure 3As shown, the longitudinal length of the pressing plate 19 is equal to the longitudinal length inside the metal box 18. When the vibration force generated by the vibration motor 22 acts on the pressing plate 19 through the resonant spring 20, because the longitudinal length of the pressing plate 19 is equal to the longitudinal length inside the metal box 18, the pressing plate 19 will be prevented from being displaced forward and backward in the metal box 18. This can ensure that the chassis box 21 can always be in the central area inside the metal box 18 for vibration, and ensure that the entire device can operate normally. When the vibration motor 22 is running, the vibration can be transmitted to multiple resonant springs 20 through the chassis box 21. Multiple resonant springs 20 can amplify the vibration force through spring elasticity. When the dust attached to the dust filter bag 16 is discharged and cleaned by low-pressure pulses, and the ash hopper 5 is discharged through the ash discharge valve 3 at the bottom, in order to avoid a part of the dust having a strong adhesion ability and still adhering to the dust collector In order to prevent the outer wall of the filter bag 16 from being blocked and to avoid the ash discharge valve 3 from being easily blocked when discharging ash, it is necessary to start the vibrating ash discharge device 6, and use the vibration intervention method to make the stubbornly attached dust be cleaned normally in combination with low-pressure pulse blowing, and use the vibration intervention method to close the dust blocking the discharge valve. After the device is started, the vibration motor 22 inside the chassis box 21 generates high-frequency vibration, and the vibration force will synchronously act on the multiple resonant springs 20 on the outer walls of the chassis box 21. The multiple resonant springs 20 will amplify the vibration amplitude through the spring elasticity, and the amplified vibration force will be transmitted to the dust removal box 7 and the ash hopper 5, so that the dust stubbornly attached to the outer wall of the dust filter bag 16 can be cleaned in combination with the low-pressure pulse blowing method. At the same time, after the continuous high-frequency vibration acts on the ash discharge valve 3, it can avoid the dust from clogging the ash discharge valve 3 when passing through the discharge valve.

[0025] 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 replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A low-pressure pulse bag dust collector with high airtightness, comprising a dust removal box (7) and an ash hopper (5) arranged at the bottom end of the dust removal box (7), wherein the dust removal box (7) is connected to the inside of the ash hopper (5), and support pillars (4) are welded at the four corners of the bottom end of the dust removal box (7), and the bottom ends of the plurality of support pillars (4) are flush, and an ash discharge valve (3) is provided at the bottom end of the ash hopper (5), and a box end cover (10) is fixed to the top end of the dust removal box (7) by screws, characterized in that: The outer wall of the left end of the bottom of the dust removal box (7) is provided with a vibrating dust removal device (6); The vibrating dust removal device (6) comprises a metal box (18), a chassis box (21), a metal end cover (23) and a metal fixing plate (24); the metal fixing plate (24) is welded to the right end of the metal box (18); the metal fixing plate (24) is fixed to the outer wall of the left end of the dust removal box body (7) by a plurality of screws; the chassis box (21) is provided at the center of the metal box (18); the metal end cover (23) is provided at the top end of the metal box (18); the metal end cover (23) is fixedly connected to the metal box (18) by a plurality of screws.

2. The low-pressure pulse bag dust collector with high airtightness according to claim 1 is characterized in that: The vibrating dust removal device (6) further comprises a pressing plate (19), a resonant spring (20) and a vibration motor (22); the vibration motor (22) is fixed inside the chassis box (21); the vibration motor (22) is connected to an external controller wire via an electric wire; four pressing plates (19) are provided, and the four pressing plates (19) are respectively located on the upper and lower sides and the left and right sides of the chassis box (21); and a plurality of resonant springs (20) are connected between the four pressing plates (19) and the chassis box (21).

3. The low-pressure pulse bag dust collector with high airtightness according to claim 2 is characterized in that: The longitudinal length of the pressing plate (19) is equal to the longitudinal length inside the metal box (18). When the vibration motor (22) is in operation, the vibration can be transmitted to the plurality of resonant springs (20) through the chassis box (21). The plurality of resonant springs (20) can amplify the vibration force through the spring elasticity.

4. The low-pressure pulse bag dust collector with high airtightness according to claim 1 is characterized in that: A dust gas inlet (2) is provided at the center of the right end of the ash hopper (5), a clean gas outlet (9) is provided at the left end of the top of the dust removal box (7), flanges are provided at the right end of the dust gas inlet (2) and the left end of the clean gas outlet (9), an inspection window is provided inside the front end of the bottom of the dust removal box (7), and an inspection door (1) is provided outside the front end of the inspection window.

5. The low-pressure pulse bag dust collector with high airtightness according to claim 1 is characterized in that: An air bag bracket (8) is provided on the upper side of the center of the front end outer wall of the dust removal box (7), a pulse air bag (12) is fixed to the upper end of the air bag bracket (8) via a fixing ring, and a plurality of low-pressure pulse valves (11) are equidistantly provided at the top end of the pulse air bag (12).

6. The low-pressure pulse bag dust collector with high airtightness according to claim 5, characterized in that: An integrated board (15) is provided on the upper side of the center of the dust removal box (7), and a plurality of venturi tubes (14) are plugged and fixed in the integrated board (15). A low-pressure pulse blowing pipe (13) is provided at the rear end of the low-pressure pulse valve (11), and the low-pressure pulse blowing pipe (13) is located parallel to the upper side of the integrated board (15).

7. The low-pressure pulse bag dust collector with high airtightness according to claim 6, characterized in that: A filter bag frame (17) is provided at the bottom end of the venturi tube (14), and a dust removal filter bag (16) is provided in the filter bag frame (17).

8. The low-pressure pulse bag dust collector with high airtightness according to claim 1, characterized in that: The dust removal box (7) is in a cubic structure as a whole, and the ash hopper (5) is in a cone structure with a small bottom and a large top. The outer walls of the dust removal box (7) and the ash hopper (5) are sprayed with paint for corrosion and rust prevention.

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