Portable high negative pressure dust removal equipment

Abstract

The utility model discloses portable high negative pressure dust removal equipment, and belongs to the technical field of dust removal equipment. Comprising a dust removal box body, an electric pipe coiling device, a filter cartridge unit, a negative pressure fan and an air compressor, and universal wheels are mounted at the bottom of the dust removal box body; the electric pipe winder comprises a supporting plate seat and a reel, and the supporting plate seat is fixed to the top of the outer side of the dust removal box body; the reel comprises an I-shaped reel body, rotating shafts are integrally manufactured at the axes of the two ends of the I-shaped reel body respectively, and the rotating shafts are installed on a supporting plate base through bearings. A negative pressure channel is arranged in one rotating shaft; the support plate seat is screwed with a sealing cover outside the negative pressure channel, and a dust removal pipe is fixed on the sealing cover; a motor support is fixed to the end, away from the sealing cover, of the supporting plate seat, and a winding motor is fixed to the motor support. According to the portable high-negative-pressure dust removal equipment, dust removal and ash removal of the dust removal box body can be achieved, and the dust suction hose can be wound and unwound according to the use occasion.

Description

Technical Field

[0001] The utility model specifically relates to a portable high-negative pressure dust removal device, belonging to the technical field of dust removal equipment. Background Art

[0002] A dust collector is a device that separates dust from flue gas. It is called a dust collector or dust removal equipment. Commonly used high-negative pressure dust collectors are suitable for manual / automatic welding or grinding conditions where large workpieces or workstations are not fixed. It extracts the gas to be processed or the gas in the space, and then uses a filtering device to filter the particulate impurities in the internal air duct, thereby filtering the particulate impurities in the air, reducing the pollution of the impurity particles in the air to the surrounding working environment and reducing the impact on the health of the surrounding workers. Existing dust collectors such as China Patent Authorization Announcement No.: CN222020925U disclose a flexible welding dust removal device, including a mobile seat, on which an exhaust pump and a gas storage tank are installed. The air pump and the air tank are fixedly installed on the mobile seat, the air tank is connected to the output end of the air pump, the air tank is fixedly installed with a pressure gauge, the air tank is installed with an exhaust pipe, and the exhaust pipe is installed with an exhaust valve. By following the moving mobile seat and the air inlet port, the dust removal equipment is more flexible to use, which is convenient for dust extraction during welding; but when this structure is used, it is necessary to match the height and width of each dust removal station, so it is necessary to be equipped with a longer high-negative pressure hose, but a hose that is too long is inconvenient to store and move; in addition, the above-mentioned dust removal equipment cannot be cleaned, and when the existing high-negative pressure dust collector is cleaned, it needs to be connected to an external paired compressor through a compressed air pipeline, which limits the use space of the high-negative pressure dust collector. Utility Model Content

[0003] In order to solve the above problems, the utility model proposes a portable high-negative pressure dust removal device, which can realize dust removal and dust cleaning of a dust removal box, and can retract and release the dust suction hose according to the usage occasion.

[0004] The portable high negative pressure dust removal equipment of the utility model comprises:

[0005] A dust removal box body, wherein a universal wheel is installed at the bottom of the dust removal box body; the universal wheel can drive the dust removal box body to move to the vicinity of the dust removal station;

[0006] The electric hose reel comprises a support plate seat and a reel, and the support plate seat is fixed on the top of the outer side of the dust removal box body; the reel comprises an I-shaped disc body, and the axial centers of both ends of the I-shaped disc body are respectively integrally formed with a rotating shaft, and the rotating shaft is installed on the support plate seat through bearings; a negative pressure channel is arranged inside the rotating shaft; a sealing cover is screwed on the support plate seat outside the negative pressure channel, and a dust removal pipe is fixed on the sealing cover; a motor support is fixed on the support plate seat at one end away from the sealing cover, and a winding motor is fixed on the motor support, and the winding motor is connected with the rotating shaft; a dust suction port is arranged on the reel, and the dust suction port is sealed and connected with the dust suction hose; when the electric hose reel is working, the winding motor can drive the reel to rotate, and when the reel rotates, the dust suction hose can be wound up, and when negative pressure dust removal is performed, dust is sucked into the dust suction port from the dust suction hose, and enters the sealing cover through the negative pressure channel, and then the dust enters the dust removal pipe;

[0007] The filter cartridge unit is fixed to the upper inner side of the dust removal box; the dust removal pipe is connected to the air inlet of the filter cartridge unit; dust enters the filter cartridge unit, is filtered by the filter cartridge unit, and then is discharged from the filter cartridge unit;

[0008] A negative pressure fan is fixed to the lower inner side of the dust removal box; the negative pressure fan is connected to the filter outlet of the filter cartridge unit; the filtered gas is discharged by the negative pressure fan;

[0009] An air compressor is fixed to the lower inner side of the dust removal box; the output end of the air compressor is connected to the oil-water separator through a pulse valve, and the oil-water separator is connected to the cleaning port of the filter cartridge unit; the air compressor can provide pulse pressure gas to the cleaning port of the filter cartridge unit through the pulse valve and the oil-water separator.

[0010] Furthermore, an electronic clutch is arranged between the winding motor and the rotating shaft; during operation, when unwinding, the rotating shaft and the winding motor are separated by the electronic clutch, so that the reel can be unwound freely, and when rewinding, the rotating shaft and the winding motor are connected by the electronic clutch. When the winding motor rotates, it can drive the reel to rotate synchronously, and the vacuum hose can be reeled up through the reel.

[0011] Furthermore, the filter cartridge unit comprises an outer cylinder, an inner filter cartridge and an outer filter cartridge are arranged inside the outer cylinder, and filter material is filled between the inner filter cartridge and the outer filter cartridge; an air inlet and an ash discharge port connected to the inner filter cartridge are arranged at both ends of the outer cylinder; a filter air outlet and an ash cleaning port are arranged at the bottom of the outer cylinder; the air inlet, ash discharge port, filter air outlet and ash cleaning port are all connected to an electric control valve group;

[0012] During dust removal, the negative pressure gas in the dust removal pipe enters the inner filter cartridge, and the negative pressure gas passes through the inner filter cartridge, filter material and outer filter cartridge into the filter outlet, and is finally discharged by the negative pressure fan; the particles entrained by the negative pressure gas are retained by the filter material on the inner side of the inner filter cartridge; when cleaning, close the electric control valve group of the air inlet and the filter outlet, and then open the electric control valve group of the cleaning port and the ash discharge port, and then the air compressor provides pulse pressure gas to the cleaning port of the filter cartridge unit through the pulse valve and the oil-water separator, and the pulse pressure gas discharges the dust through the ash discharge port.

[0013] Furthermore, the ash discharge port is connected to the buffer tank through an electric control valve group, and the bottom of the buffer tank is connected to the ash storage tank through a bottom valve; during cleaning, pulse pressure gas is provided through the ash cleaning port to flush the dust into the buffer tank through the electric control valve group. After completing one cleaning, the bottom valve is actuated to send the accumulated dust in the buffer tank into the ash storage tank under gravity conditions, or a rotary valve is used for the bottom valve, and the accumulated dust is sent into the ash storage tank through the rotation of the rotary valve. The ash storage tank only needs to be cleaned regularly. During cleaning, the dust entering the ash storage tank is always separated from the filter cartridge unit.

[0014] Furthermore, the front and rear sides of the dust removal box are respectively hinged with door bodies, and the door body is connected to the dust removal box away from the hinged end by a snap buckle; the snap buckle can facilitate the opening and closing of the door body, so that the dust tank can be cleaned regularly, and the various components inside the dust removal box can be maintained and replaced.

[0015] Furthermore, the top of the dust removal box is fixed to a lifting ring; a push handle is fixed to the rear of the dust removal box; when used on site, a 6-inch large universal caster and a push handle are used to facilitate moving to various dust removal positions; in addition, a lifting ring is set on the top of the dust removal box for easy lifting.

[0016] Furthermore, a pressure gauge is fixed on the dust removal box, and the pressure gauge is connected between the negative pressure fan and the filter cartridge unit. During dust removal, the negative pressure fan is turned on to provide negative pressure to the dust removal pipe, and the dust removal pressure is monitored by the pressure gauge. When the pressure drops to a low value, the negative pressure fan is turned off and the air compressor is turned on. Pulse-type pressurized gas is provided to the cleaning port through the air compressor and the pulse valve, and the filter cartridge unit is cleaned by the pressurized gas.

[0017] Compared with the prior art, the portable high-negative pressure dust removal equipment of the utility model has an air compressor installed inside the dust removal box, which abandons the disadvantages of the traditional on-site connection of compressed air pipelines, which is time-consuming and restricts the use space, and expands the use space of the smoke purifier; the top of the dust removal box is equipped with an electric hose reel, which is convenient for moving or retracting the hose, greatly saving manpower; thus, it can be equipped with a hose of a certain length, which can be matched with various collection methods, and is suitable for various manual / automatic welding, grinding and cutting conditions. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the portable high negative pressure dust removal equipment of the utility model.

[0019] Figure 2 This is a schematic diagram of the structure of the electric hose reel of the utility model.

[0020] Figure 3 This is a schematic diagram of the filter cartridge unit structure of the utility model.

[0021] Figure numerals: 1. dust removal box, 2. universal wheel, 3. support plate seat, 4. reel, 5. I-shaped disc, 6. rotating shaft, 7. negative pressure channel, 8. sealing cover, 9. dust removal pipe, 10. motor support, 11. winding motor, 12. dust suction port, 13. dust suction hose, 14. filter cartridge unit, 15. negative pressure fan, 16. air compressor, 17. pulse valve, 18. oil-water separator, 19. outer cylinder, 20. inner filter cartridge, 21. outer filter cartridge, 22. filter material, 23. air inlet, 24. ash discharge port, 25. filter air outlet, 26. ash cleaning port, 27. buffer tank, 28. bottom valve, 29. ash storage tank, 30. door body, 31. buckle, 32. lifting ring, 33. push handle, 34. pressure gauge. DETAILED DESCRIPTION

[0022] Example:

[0023] like Figures 1 to 3 The portable high negative pressure dust removal equipment shown includes:

[0024] A dust removal box 1, wherein a universal wheel 2 is installed at the bottom of the dust removal box 1; the universal wheel 2 can drive the dust removal box 1 to move to the vicinity of the dust removal station;

[0025] The electric hose reel comprises a support plate seat 3 and a reel 4, wherein the support plate seat 3 is fixed to the outer top of the dust removal box body 1; the reel 4 comprises an I-shaped disc body 5, and a rotating shaft 6 is integrally formed at the axis center of both ends of the I-shaped disc body 5, and the rotating shaft 6 is installed on the support plate seat 3 through a bearing; a negative pressure channel 7 is arranged inside the rotating shaft 6; the support plate seat 3 is screwed with a cover 8 on the outside of the negative pressure channel 7, and a dust removal pipe 9 is fixed on the cover 8; the support plate seat 3 is fixed with a motor support at one end away from the cover 8 The motor support 10 is provided with a winding motor 11, and the winding motor 11 is connected to the rotating shaft 6; the reel 4 is provided with a dust suction port 12, and the dust suction port 12 is sealed and connected with the dust suction hose 13; when the electric hose reel is working, the winding motor 11 can drive the reel 4 to rotate, and when the reel 4 rotates, the dust suction hose 13 can be wound up, and when negative pressure dust removal is performed, the dust is sucked into the dust suction port 12 from the dust suction hose 13, and enters the sealing cover 8 through the negative pressure channel 7, and then the dust enters the dust removal pipe 9;

[0026] The filter cartridge unit 14 is fixed to the upper inner part of the dust removal box 1; the dust removal pipe 9 is connected to the air inlet of the filter cartridge unit 14; dust enters the filter cartridge unit 14, is filtered by the filter cartridge unit 14, and is discharged from the filter cartridge unit 14;

[0027] A negative pressure fan 15 is fixed to the lower inner part of the dust removal box 1; the negative pressure fan 15 is connected to the filter outlet of the filter cartridge unit 14; the filtered gas is discharged by the negative pressure fan 15;

[0028] The air compressor 16 is fixed to the lower inner part of the dust removal box 1; the output end of the air compressor 16 is connected to the oil-water separator 18 through the pulse valve 17, and the oil-water separator 18 is connected to the cleaning port of the filter cartridge unit 14; the air compressor 16 can provide pulse pressure gas to the cleaning port of the filter cartridge unit 14 through the pulse valve 17 and the oil-water separator 18.

[0029] An electronic clutch is arranged between the winding motor 11 and the rotating shaft 6; during operation, when unwinding, the rotating shaft 6 and the winding motor 11 are separated by the electronic clutch, so that the reel 4 can be unwound freely; when rewinding, the rotating shaft 6 and the winding motor 11 are connected by the electronic clutch, and when the winding motor 11 rotates, it can drive the reel 4 to rotate synchronously, and the vacuum hose 13 can be reeled by the reel 4.

[0030] The filter cartridge unit 14 comprises an outer cylinder 19, an inner filter cartridge 20 and an outer filter cartridge 21 are arranged inside the outer cylinder 19, and filter material 22 is filled between the inner filter cartridge 20 and the outer filter cartridge 21; an air inlet 23 and an ash discharge port 24 communicating with the inner filter cartridge 20 are arranged at both ends of the outer cylinder 19; a filter air outlet 25 and an ash cleaning port 26 are arranged at the bottom of the outer cylinder 19; the air inlet 23, the ash discharge port 24, the filter air outlet 25 and the ash cleaning port 26 are all connected to an electric control valve group;

[0031] During dust removal, the negative pressure gas in the dust removal pipe 9 enters the inner filter cartridge 20, and the negative pressure gas enters the filter outlet 25 through the inner filter cartridge 20, the filter material 22 and the outer filter cartridge 21, and is finally discharged to the outside by the negative pressure fan 15; the particulate matter entrained by the negative pressure gas is retained by the filter material 22 on the inner side of the inner filter cartridge 20; when cleaning, close the electric control valve group of the air inlet 23 and the filter outlet 25, and then open the electric control valve group of the cleaning port 26 and the ash discharge port 24, and then the air compressor 16 provides pulse pressure gas to the cleaning port 26 of the filter cartridge unit 14 through the pulse valve 17 and the oil-water separator 18, and the pulse pressure gas discharges the dust through the ash discharge port 24.

[0032] The ash discharge port 24 is connected to the buffer tank 27 through the electric control valve group, and the bottom of the buffer tank 27 is connected to the ash storage tank 29 through the bottom valve 28; during cleaning, pulse pressure gas is provided through the ash cleaning port 26, so that the dust is flushed to the buffer tank 27 through the electric control valve group. After completing one cleaning, the bottom valve 28 is actuated to send the accumulated ash in the buffer tank 27 into the ash storage tank 29 under gravity conditions, or the bottom valve 28 adopts a rotary valve, and the accumulated ash is sent to the ash storage tank 29 through the rotation of the rotary valve. The ash storage tank 29 can be cleaned regularly. During cleaning, the dust entering the ash storage tank 29 is always separated from the filter cartridge unit 14.

[0033] The front and rear sides of the dust removal box 1 are respectively hinged with a door body 30, and the door body 30 is connected to the dust removal box 1 away from the hinged end through a buckle 31; the buckle 31 can facilitate the opening and closing of the door body 30, so that the dust storage tank 29 can be cleaned regularly, and the internal components of the dust removal box 1 can be maintained and replaced.

[0034] The top of the dust removal box 1 is fixed to a lifting ring 32; a push handle 33 is fixed to the rear of the dust removal box 1; when used on site, a 6-inch large universal caster and a push handle 33 are used to facilitate moving to various dust removal positions; in addition, a lifting ring 32 is provided on the top of the dust removal box 1 for easy lifting.

[0035] A pressure gauge 34 is fixed on the dust removal box 1, and the pressure gauge 34 is connected between the negative pressure fan 15 and the filter cartridge unit 14. During dust removal, the negative pressure fan 15 is turned on to provide negative pressure to the dust removal pipe 9, and the dust removal pressure is monitored by the pressure gauge 34. When the pressure drops to a low value, the negative pressure fan 15 is turned off, and the air compressor 16 is turned on. The air compressor 16 and the pulse valve 17 provide pulsed pressurized gas to the cleaning port 26, and the filter cartridge unit 14 is cleaned by the pressurized gas.

[0036] The above embodiments are only preferred implementations of the present invention, so any equivalent changes or modifications made according to the structures, features and principles described in the scope of application of the present invention are included in the scope of application of the present invention.

Claims

1. A portable high negative pressure dust removal device, characterized in that: include: A dust removal box, wherein a universal wheel is installed at the bottom of the dust removal box; An electric hose reel, the electric hose reel comprising a support plate seat and a reel, the support plate seat being fixed to the top of the outer side of a dust removal box; the reel comprising an I-shaped disc body, the axis centers of both ends of the I-shaped disc body being integrally formed with a rotating shaft, the rotating shaft being mounted on the support plate seat through a bearing; a negative pressure channel is arranged inside the rotating shaft; a cover is screwed onto the support plate seat on the outside of the negative pressure channel, a dust removal pipe is fixed on the cover; a motor support is fixed to the end of the support plate seat away from the cover, a winding motor is fixed on the motor support, and the winding motor is connected to the rotating shaft; a dust suction port is arranged on the reel, and the dust suction port is sealed and connected to a dust suction hose; A filter cartridge unit, wherein the filter cartridge unit is fixed to the upper inner side of the dust removal box; the dust removal pipe is connected to the air inlet of the filter cartridge unit; A negative pressure fan, the negative pressure fan is fixed to the lower inner side of the dust removal box; the negative pressure fan is connected to the filter air outlet of the filter cartridge unit; An air compressor is fixed to the lower inner side of the dust removal box; an output end of the air compressor is connected to an oil-water separator through a pulse valve, and the oil-water separator is connected to a dust cleaning port of the filter cartridge unit.

2. The portable high negative pressure dust removal equipment according to claim 1 is characterized in that: An electronic clutch is arranged between the winding motor and the rotating shaft.

3. The portable high negative pressure dust removal equipment according to claim 1 is characterized in that: The filter cartridge unit includes an outer cylinder body, an inner filter cartridge and an outer filter cartridge are arranged inside the outer cylinder body, and filter material is filled between the inner filter cartridge and the outer filter cartridge; air inlets and ash discharge ports connected to the interior of the inner filter cartridge are arranged at both ends of the outer cylinder body; a filter air outlet and an ash cleaning port are arranged at the bottom of the outer cylinder body; the air inlet, ash discharge port, filter air outlet and ash cleaning port are all connected to an electrically controlled valve group.

4. The portable high negative pressure dust removal equipment according to claim 3 is characterized in that: The ash discharge port is connected to the buffer tank through an electric control valve group, and the bottom of the buffer tank is connected to the ash accumulation tank through a bottom valve.

5. The portable high negative pressure dust removal equipment according to claim 1 is characterized in that: The front and rear sides of the dust removal box are respectively hinged with door bodies, and the door body is connected to the dust removal box body via buckles away from the hinged end.

6. The portable high negative pressure dust removal equipment according to claim 1 is characterized in that: The top of the dust removal box is fixed to a hanging ring; and a push handle is fixed to the rear of the dust removal box.

7. The portable high negative pressure dust removal equipment according to claim 1 is characterized in that: A pressure gauge is fixed on the dust removal box, and the pressure gauge is connected between the negative pressure fan and the filter cartridge unit.

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