Low-voltage pulse rotary dust removal device

By designing a low-pressure pulse rotary dust collector, a motor drives the pulse valve to rotate intermittently to clean multiple sets of filter bags. This solves the problems of short filter bag cleaning cycles and high costs in existing technologies, and achieves pre-filtration of larger particles and cost reduction.

CN224040382UActive Publication Date: 2026-03-27GUIZHOU GUXIN NEW MATERIAL CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-14
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

Existing pulse dust collectors cannot effectively pre-filter larger particles, resulting in shorter filter bag cleaning cycles and higher costs.

Method used

A low-pressure pulse rotary dust collector is designed, which uses a motor to drive the pulse valve to rotate intermittently to clean multiple sets of filter bags. The combined use of filter bags and pulse valves can achieve pre-filtration of larger particles and reduce manufacturing costs.

Benefits of technology

This extends the cleaning cycle of the filter bags, reduces manufacturing costs, and improves dust removal efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a low-voltage pulse rotary dust removal device which comprises an installation cylinder, a cover plate and an air inlet pipe, a circular plate is fixedly connected to the upper end of the inner wall of the installation cylinder, a plurality of circular holes are formed in the circumference above the circular plate at equal intervals in a penetrating mode, filter bags are installed on the inner walls of the circular holes respectively, a motor is installed above the cover plate, and a circular through hole is formed in the middle of the upper portion of the cover plate. A motor output shaft penetrates through the circular through hole, a rectangular strip is installed at the end of the motor output shaft, a plurality of pulse valves are installed below the rectangular strip, the right end of the air inlet pipe communicates with a bent pipe, a filtering circular plate is installed on the inner wall of the left end of the air inlet pipe, a bearing box communicates with the lower portion of the left end of the air inlet pipe, and a sealing plate is movably installed below the bearing box. The dust removal device is reasonable in structure and good in practicability, large particles in smoke dust can be pre-filtered conveniently, the dust removal period of the filter bags is prolonged, the motor is used for driving the pulse valves to rotate intermittently, dust removal is conducted on the multiple sets of filter bags, and the manufacturing cost is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a low pressure pulse rotary dust removal device and belongs to the technical field of dust removal equipment. BACKGROUND

[0002] In the industrial production process, due to the influence of mining development environment and materials and other factors, a large amount of smoke dust is generated indoors, and the workers work in the smoke dust environment for a long time under the condition of lacking respiratory protection facilities, which easily causes silicosis. With the introduction of the new environmental protection law, the state pays more attention to the working environment of workers, and the respiratory problems of workers in the smoke dust environment are increasingly prominent. In industrial production, dust collectors are mainly used to improve the working environment of workers. The main function of the dust collector is to purify air, remove dust particles in the air, and make people obtain good air to avoid workers suffering from silicosis.

[0003] At present, the forms of dust collectors are various, and the dust removal methods are different. The dust collectors mainly include the following types: pulse dust collector, bag dust collector, cyclone dust collector and electrostatic dust collector, etc. The pulse dust collector is widely used, but the general pulse dust collector cannot pre-filter the larger particles in the smoke dust, which will increase the burden of subsequent filtration of the filter bag, shorten the ash cleaning period of the filter bag, and the general pulse dust collector is provided with a pulse valve for each filter bag to perform the ash cleaning operation, so the manufacturing cost is high. Now, a low pressure pulse rotary dust removal device is urgently needed to solve the above problems. CONTENT OF THE UTILITY MODEL

[0004] In view of the deficiencies in the prior art, the utility model aims to provide a low pressure pulse rotary dust removal device to solve the problems in the background art. The utility model has reasonable structure and good practicability. It is not only convenient to pre-filter the larger particles in the smoke dust and prolong the ash cleaning period of the filter bag, but also uses the motor to drive a group of pulse valves to intermittently rotate and clean a plurality of filter bags, thereby reducing the manufacturing cost.

[0005] In order to achieve the above purpose, the utility model is implemented by the following technical scheme: a low pressure pulse rotary dust removal device, comprising a mounting cylinder, a cover plate and an air inlet pipe, a circular plate is fixedly connected to the inner wall of the upper end of the mounting cylinder, a plurality of circular holes are equidistantly and penetratively arranged above the circular plate, filter bags are respectively installed on the inner walls of the plurality of circular holes, a motor is installed above the cover plate, a circular through hole is arranged in the middle of the upper part of the cover plate, the output shaft of the motor penetrates through the circular through hole, a rectangular strip is installed at the end of the output shaft of the motor, a plurality of pulse valves are installed below the rectangular strip, a bent pipe is communicated and installed at the right end of the air inlet pipe, a filter circular plate is installed on the inner wall of the left end of the air inlet pipe, a receiving box is communicated and installed below the left end of the air inlet pipe, a sealing plate is movably installed below the receiving box, and a second electric control valve is installed on the left end of the air inlet pipe.

[0006] Further, the installation cylinder is communicated below the ash bucket, and the first electric control valve is connected below the ash bucket.

[0007] Further, the rectangular strip is provided with a gas tank for providing gas for the plurality of pulse valves, and the exhaust pipe is communicated and installed above the right side of the cover plate.

[0008] Further, the installation cylinder is communicated below the ash bucket, and the first electric control valve is connected below the ash bucket.

[0009] Further, the two supports are made of ordinary high-strength steel.

[0010] Further, the two supports are made of ordinary high-strength steel.

[0011] The low-pressure pulse rotary dust removal device has the advantages that: the installation cylinder, the cover plate, the exhaust pipe, the motor, the bent pipe, the air inlet pipe, the first electric control valve, the ash bucket, the second electric control valve, the receiving box, the sealing plate, the circular plate, the filter bag, the rectangular strip, the pulse valve, the filter circular plate and the gas tank are added, the design improvement and the actual use show that the device has reasonable structure and good practicability, the larger particles in the smoke dust can be pre-filtered, the ash cleaning period of the filter bag is prolonged, a plurality of filter bags are cleaned by the intermittent rotation of the pulse valve driven by the motor, and the manufacturing cost is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0012] Other features, objects and advantages of the present application will become more apparent from the following detailed description of non-limiting embodiments, read in conjunction with the accompanying drawings:

[0013] Figure 1 It is a whole structure perspective view of the low-pressure pulse rotary dust removal device.

[0014] Figure 2 It is a sectional structure view of the low-pressure pulse rotary dust removal device.

[0015] Figure 3 It is a cover plate structure perspective view of the low-pressure pulse rotary dust removal device.

[0016] Figure 4 It is a circular plate structure perspective view of the low-pressure pulse rotary dust removal device.

[0017] Figure 5 It is a sectional structure perspective view of the air inlet pipe of the low-pressure pulse rotary dust removal device.

[0018] Figure 6The utility model discloses a low pressure pulse rotary dust removal device's installation cylinder section structure schematic diagram.

[0019] In the drawing: 1 - installation cylinder, 2 - cover plate, 3 - exhaust pipe, 4 - motor, 5 - bend pipe, 6 - air inlet pipe, 7 - support, 8 - first electric control valve, 9 - hopper, 10 - second electric control valve, 11 - receiving box, 12 - sealing plate, 13 - round plate, 14 - filter bag, 15 - rectangular strip, 16 - pulse valve, 17 - filter round plate, 18 - gas tank, 19 - round through hole. DETAILED DESCRIPTION

[0020] In order to make the technical means, creation features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0021] Please refer to Figures 1-6 The utility model provides a technical scheme: a low pressure pulse rotary dust removal device, including installation cylinder 1, cover plate 2 and air inlet pipe 6, the upper end of the inner wall of installation cylinder 1 is fixedly connected with round plate 13, a plurality of round holes are arranged on the upper circumference of round plate 13 equidistantly, and filter bag 14 is arranged in the inner wall of the plurality of round holes, motor 4 is installed on the upper portion of cover plate 2, round through hole 19 is arranged in the upper portion of cover plate 2, the output shaft of motor 4 penetrates round through hole 19, rectangular strip 15 is installed on the output shaft of motor 4, a plurality of pulse valves 16 are installed below rectangular strip 15, bend pipe 5 is installed on the right end of air inlet pipe 6, filter round plate 17 is installed on the left end of air inlet pipe 6, receiving box 11 is installed on the left end of air inlet pipe 6, sealing plate 12 is movably installed below receiving box 11, second electric control valve 10 is installed on the left end of air inlet pipe 6, the design solves the problem that general pulse dust collector cannot pre-filter larger particles in flue dust, which will increase the burden of subsequent filtration of filter bag, shorten the ash cleaning period of filter bag, and general pulse dust collector is provided with a pulse valve for ash cleaning operation for each filter bag, and the manufacturing cost is higher.

[0022] As a first embodiment of the utility model: install the chute 9 below the installation cylinder 1 is connected, the first electric control valve 8 is connected below the chute 9, by setting up the chute 9, it is convenient to collect dust, set up the first electric control valve 8 below the chute 9, it is convenient to discharge the dust in the chute 9. Rectangular strip 15 left end installation is for multiple pulse valve 16 provide gas gas tank 18, the cover plate 2 above right side is connected and installed exhaust pipe 3, the cover plate 2 sealingly installs on the installation cylinder 1 upper end, by setting up exhaust pipe 3, it is convenient to discharge the flue gas through multiple filter bags 14, the cover plate 2 sealingly installs on the installation cylinder 1 upper end can prevent flue gas from the connecting place of cover plate 2 and installation cylinder 1 flow out. Bending pipe 5 is connected with installation cylinder 1, and the bracket 7 is respectively fixedly connected to the front and rear sides of the installation cylinder 1, by connecting the bending pipe 5 with the installation cylinder 1, it is convenient to pass the flue gas into the installation cylinder 1. Two brackets 7 below left and right ends are respectively installed with anti-skid pads, by installing the anti-skid pads on the left and right ends below the two brackets 7, the stability of the device when placed is increased. Two brackets 7 are ordinary high-strength steel materials.

[0023] As a second embodiment of the utility model: when using, the exhaust pipe 3 is connected with the fan that attracts air outside, then the second electric control valve 10 is opened, then the flue gas outside is introduced into the input end of the second electric control valve 10, the flue gas enters the installation cylinder 1 inside through the inlet pipe 6 and the bending pipe 5, in this process, the filter disc 17 can filter the larger particles in the flue gas, under the influence of gravity, the larger dust particles will fall into the receiving box 11, after the flue gas enters the installation cylinder 1 inside, it will pass through multiple filter bags 14, multiple filter bags 14 can filter the fine dust particles in the flue gas, finally enter the exhaust pipe 3 and discharge, when it is needed to clean the multiple filter bags 14, the motor 4 is started, the motor 4 drives the rectangular strip 15 to rotate by a certain angle, so that multiple pulse valves 16 are aligned with the corresponding column of filter bags 14, multiple pulse valves 16 are started, so that the pulse injection cleaning of the column of filter bags 14 is carried out, then the motor 4 drives the rectangular strip 15 to rotate the same angle for multiple times, so that the pulse injection cleaning of the remaining filter bags 14 is carried out, the dust falls into the chute 9, the first electric control valve 8 can discharge the dust, the sealing plate 12 can be removed by the staff, and the dust is treated, the connecting place of the motor 4 and the cover plate 2 is provided with a sealing pad, to prevent the flue gas from leaking from the connecting place of the motor 4 and the cover plate 2.

[0024] The basic principle and main features of the present application and the advantages of the present application are shown and described above. For those skilled in the art, it is obvious that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or basic characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be considered as limiting the claims involved.

[0025] In addition, it should be understood that, although the present application is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be properly combined to form other embodiments that those skilled in the art can understand.

Claims

1. A low pressure pulse-jet dedusting device comprising a mounting cylinder (1), a cover plate (2) and an air inlet pipe (6), characterized in that: The circular plate (13) is fixed on the upper end of the inner wall of the mounting cylinder (1), a plurality of circular holes are arranged on the upper circumference of the circular plate (13) at equal intervals, and a filter bag (14) is arranged on the inner wall of each circular hole; the motor (4) is installed on the upper side of the cover plate (2); the circular through hole (19) is arranged on the middle of the upper side of the cover plate (2); the output shaft of the motor (4) penetrates the circular through hole (19); and the rectangular strip (15) is installed on the end of the output shaft of the motor (4). A plurality of pulse valves (16) are installed below the rectangular strip (15); the bend pipe (5) is installed in communication with the right end of the air inlet pipe (6); the filter circular plate (17) is installed on the inner wall of the left end of the air inlet pipe (6); the receiving box (11) is installed in communication with the left end of the air inlet pipe (6); the sealing plate (12) is movably installed below the receiving box (11); and the second electric control valve (10) is installed on the left end of the air inlet pipe (6).

2. A low-pressure pulse rotary dust removal device according to claim 1, characterized in that: The ash bucket (9) is installed in communication with the lower side of the mounting cylinder (1); and the first electric control valve (8) is connected to the lower side of the ash bucket (9).

3. The low-pressure pulse rotary dust removal device according to claim 1, characterized in that: The gas tank (18) for providing gas for the plurality of pulse valves (16) is installed on the left end of the rectangular strip (15); the exhaust pipe (3) is installed in communication with the right side of the upper side of the cover plate (2); and the cover plate (2) is sealingly installed on the upper end of the mounting cylinder (1).

4. The low-pressure pulse rotary dust removal device according to claim 1, characterized in that: The bend pipe (5) is in communication with the mounting cylinder (1); and the brackets (7) are fixed on the front and rear sides of the mounting cylinder (1).

5. A low-pressure pulse rotary dust removal device according to claim 4, characterized in that: Anti-skid pads are installed on the left and right ends of the lower sides of the two brackets (7).

6. A low-pressure pulse rotary dust removal device according to claim 5, characterized in that: The two brackets (7) are made of ordinary high-strength steel.