Dust removal device for stock bin

By designing a multi-stage filtering silo dust removal device, the problem of dust pollution in the exhaust gas during feeding of silo is solved, and efficient dust removal and convenient replacement of the device is achieved.

CN222765941UActive Publication Date: 2025-04-18PINGMEI GRP UNION SALINIZATION CO LTD
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Patent Information

Application Number
CN202420993022.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-09
Publication Date
2025-04-18
Estimated Expiration
2034-05-09

AI Technical Summary

Technical Problem

When feeding the silo, the exhausted gas contains dust and is directly discharged into the external environment, resulting in environmental pollution and health risks.

Method used

A silo dust removal device is designed, including a feed pipe, an exhaust pipe and a dust removal cylinder. The dust gas on the exhaust pipe passes through the dust collector, filters through a multi-stage filter cylinder, fiber felt and activated carbon, and is finally introduced into the sink through the discharge pipe.

Benefits of technology

Multiple dust removal of the exhaust gas is achieved, which significantly reduces dust emissions, protects the environment and workers' health, and is easy to replace the device, maintaining efficient dust removal effect.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222765941U_ABST
Patent Text Reader

Abstract

The utility model relates to a stock bin dust removal device which comprises a bin body, a feeding pipe and an exhaust pipe, the feeding pipe and the exhaust pipe are communicated with the top of the bin body, the upper portion of the exhaust pipe is fixedly sleeved with a supporting disc, a dust removal cylinder is detachably arranged on the supporting disc, and a dust removal assembly is fixedly hung on the inner top of the dust removal cylinder and comprises three sets of filter screen cylinders. The filter screen cylinders are sequentially arranged from outside to inside in a sleeved mode, the apertures of the filter screen cylinders are decreased progressively, fiber felt is arranged on the inner wall of each filter screen cylinder, a gap between every two adjacent filter screen cylinders is filled with activated carbon, the center of the top of the dust removal cylinder communicates with an air outlet pipe, and the bottom end of the air outlet pipe penetrates to the inner side of the filter screen cylinder on the innermost layer. An exhaust fan and a water tank are arranged on the outer top of the bin body, an air inlet of the exhaust fan is communicated with a hose, an air outlet is communicated with water in the water tank through a discharge pipe, and the hose is communicated with the top of the air outlet pipe through a quick connector. The dust removal device can realize multiple dust removal of exhausted gas, is convenient to replace, is high in dust removal quality and is more practical.
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Description

Technical Field

[0001] The utility model belongs to the technical field of dust removal, and in particular relates to a silo dust removal device. Background Art

[0002] At present, when feeding the silo used to store powdery materials with smaller particle sizes, since the internal pressure is higher than the external pressure, in order to avoid problems such as explosion, it is necessary to discharge the gas in the silo while feeding. However, due to the influence of the materials put in, the discharged gas will contain a certain amount of dust, which will be directly discharged into the external environment, causing certain environmental pollution and is not conducive to the health of the surrounding workers. This needs to be improved. Utility Model Content

[0003] In view of this, the purpose of the utility model is to provide a silo dust removal device, which can achieve multiple dust removal of exhaust gas and is easy to replace, so as to solve the above problems.

[0004] To achieve the above-mentioned purpose, the technical scheme adopted by the utility model is: a silo dust removal device, comprising a silo body and a feed pipe and an exhaust pipe connected to the top of the silo body, the feed pipe is provided with a feed valve, the lower part of the exhaust pipe is provided with an exhaust valve, the upper fixed sleeve of the exhaust pipe is provided with a support plate, the bottom of the support plate on the left and right sides of the exhaust pipe are fixedly provided with a motor and a vertical plate, the motor is arranged close to the exhaust pipe, a rotating shaft is horizontally penetrated and rotatably provided on the vertical plate, one end of the rotating shaft close to the motor is coaxially fixedly connected with the output shaft of the corresponding motor, and the other end is coaxially fixedly connected with a screw, a nut is threadedly sleeved on the screw, the top end of the nut is slidably connected with the bottom of the support plate, and the bottom end is fixedly connected with a fixing plate, a plurality of fixing rods distributed in a rectangular array are fixedly provided on the side of the fixing plate away from the exhaust pipe, a positioning through groove is provided on the support plate on the side of the screw away from the exhaust pipe, a dust removal cylinder is placed on the support plate, and a mounting hole is provided at the bottom center of the dust removal cylinder The vents are provided with a plurality of holes at the bottom of the dust collecting tube, and the top of the dust collecting tube is inserted into the dust collecting tube through the holes. The vents are connected to the dust collecting tube by the air inlet and the air outlet. The vents are connected to the dust collecting tube by the air inlet and the air outlet.

[0005] Preferably, the exhaust pipe is adapted to the mounting through hole.

[0006] Preferably, the top end of the exhaust pipe is fixedly connected to the same inverted cone-shaped guide block via a plurality of struts.

[0007] Preferably, the mounting plate is matched with the corresponding positioning slot.

[0008] Preferably, the fixing rod is matched with the corresponding fixing through hole.

[0009] Preferably, a sliding block is fixedly provided on the top of the nut, and a matching sliding groove is provided on the bottom of the supporting plate corresponding to the sliding block, and the sliding block is slidably arranged in the corresponding sliding groove.

[0010] The beneficial effects of the utility model are as follows: when feeding, the feed valve can be opened, and the material can be fed through the feed pipe. At the same time, the exhaust valve is opened, and the exhaust fan is started to exhaust the gas outward to ensure the stability of the pressure. When exhausting the gas, the dust gas can be first pumped into the dust removal cylinder through the exhaust pipe, and then pass through the outermost filter cylinder, a layer of fiber felt, a layer of activated carbon, a middle filter cylinder with a pore size smaller than the outermost layer, a layer of fiber felt, a layer of activated carbon, an innermost filter cylinder with a pore size smaller than the middle layer, and the last layer of fiber felt from the outside to the inside, thereby realizing multi-stage interception filtration of the gas by the filter cylinder, multiple fiber felt interception filtration, and multiple activated carbon adsorption filtration. Finally, the gas entering the inner layer of the innermost filter cylinder can be led to the water in the sink through the outlet pipe, the hose, and the discharge pipe and discharged to the external environment. The overall dust removal effect is better, and the dust in the exhaust gas can be effectively removed to avoid environmental pollution, which is more beneficial to the health of the surrounding staff.

[0011] After using for a period of time, you can disconnect the connection between the air outlet pipe and the hose through the quick connector in the shutdown state, then run the two motors to drive the screw to reverse, so that the nut and the corresponding fixing plate are away from the mounting plate until the fixing rod is withdrawn from the corresponding fixing through hole, and then the plug-in fixation of the mounting plate can be released, and then the mounting plate can be pulled out and the dust collector and the exhaust pipe can be completely separated, and the original dust collector can be disassembled. Then, after taking a new dust collector, first align the mounting through hole on it with the exhaust pipe, align the mounting plate on it with the positioning through groove, and place it in place on the support plate, so that the top of the exhaust pipe is inserted into the dust collector through the mounting through hole, and the mounting plate is inserted and inserted into the corresponding positioning through groove, and then the two motors are run to drive the screw to rotate forward, so that the nut and the corresponding fixing plate are close to the mounting plate, until the fixing plate is pressed against the corresponding mounting plate, and the fixing rod at this time can be inserted and inserted into the corresponding fixing through hole, and the mounting plate is inserted and fixed, that is, the fixed installation of the new dust collector is completed, and the installation is stable and does not affect subsequent use. After that, the hose is connected to the air outlet pipe through the quick connector and the device can be used continuously. In this way, the entire dust removal cylinder can be quickly disassembled and assembled, and can be flexibly and conveniently replaced when its dust removal effect is reduced, which can better ensure the dust removal effect and make the overall use more flexible, convenient and practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a main structural schematic diagram of the utility model;

[0013] Figure 2 This is a schematic diagram of the main structure of the support plate of the utility model;

[0014] Figure 3 This is a schematic diagram of the main structure of the dust removal cylinder of the utility model;

[0015] Figure 4It is a schematic diagram of the main structure when the dust removal cylinder of the utility model is connected with the supporting plate.

[0016] Numbers in the figure: 1 is the bin body, 2 is the feed pipe, 3 is the exhaust pipe, 4 is the feed valve, 5 is the exhaust valve, 6 is the support plate, 7 is the motor, 8 is the vertical plate, 9 is the rotating shaft, 10 is the screw, 11 is the nut, 12 is the fixing plate, 13 is the fixing rod, 14 is the positioning groove, 15 is the dust removal cylinder, 16 is the mounting hole, 17 is the mounting plate, 18 is the fixing hole, 19 is the filter cylinder, 20 is the fiber felt, 21 is the activated carbon, 22 is the exhaust pipe, 23 is the exhaust fan, 24 is the sink, 25 is the hose, 26 is the discharge pipe, 27 is the quick connector, 28 is the pillar, 29 is the guide block, 30 is the slider, and 31 is the slide. DETAILED DESCRIPTION

[0017] The utility model is further described in detail below with reference to the accompanying drawings and specific implementation methods:

[0018] like Figures 1 to 4As shown, a silo dust removal device comprises a silo body 1 and a feed pipe 2 and an exhaust pipe 3 connected on the top of the silo body 1, a feed valve 4 is provided on the feed pipe 2, and an exhaust valve 5 is provided on the lower part of the exhaust pipe 3. A support plate 6 is fixedly sleeved on the upper part of the exhaust pipe 3, and a motor 7 and a vertical plate 8 are fixedly provided on the bottom of the support plate 6 on the left and right sides of the exhaust pipe 3. The motor 7 is arranged close to the exhaust pipe 3, and a rotating shaft 9 is horizontally penetrated and rotatably provided on the vertical plate 8. One end of the rotating shaft 9 close to the motor 7 is coaxially fixedly connected to the output shaft of the corresponding motor 7, and the other end is coaxially fixedly connected to a screw rod 10. A nut 11 is threadedly sleeved on the screw rod 10, and the top end of the nut 11 is slidably connected to the bottom of the support plate 6, and the bottom end is fixedly connected to a fixing plate 12. A plurality of fixing rods 13 distributed in a rectangular array are fixedly provided on the side of the fixing plate 12 away from the exhaust pipe 3, and a positioning through groove 14 is provided on the support plate 6 on the side of the screw rod 10 away from the exhaust pipe 3. A dust collecting cylinder 15 is placed on the support plate 6. A mounting hole 16 is provided at the bottom center of the dust collecting cylinder 15. Mounting plates 17 are fixed on the left and right sides of the outer bottom. A plurality of fixing holes 18 are provided at the bottom of the mounting plate 17. The top of the exhaust pipe 3 is inserted into the dust collecting cylinder 15 through the mounting hole 16. The mounting plate 17 is inserted through the positioning groove 14 on the same side. The fixing plate 12 abuts against the mounting plate 17 on the same side. The fixing rod 13 corresponds to and is inserted through the fixing holes 18 on the same side. A dust collecting assembly is fixedly suspended on the inner top of the dust collecting cylinder 15. The dust collecting assembly includes three groups of filter screen cylinders 19. The filter screen cylinders 19 are sequentially sleeved from the outside to the inside with decreasing apertures. A fiber felt 20 is provided on the inner wall of each group of filter screen cylinders 19. The gap between two adjacent filter screen cylinders 20 is filled with activated carbon 21. The center of the top of the dust removal cylinder 15 is connected to an air outlet pipe 22, and the bottom end of the air outlet pipe 22 penetrates the inner side of the innermost filter screen cylinder 19. An exhaust fan 23 and a water tank 24 are provided on the outer top of the bin body 1. The air inlet of the exhaust fan 23 is connected to a hose 25, and the exhaust port is connected to the water in the water tank 24 through a discharge pipe 26. The hose 25 is connected to the top of the air outlet pipe 22 through a quick connector 27;

[0019] When feeding, the feed valve 4 can be opened and the feed can be fed through the feed pipe 2. At the same time, the exhaust valve 5 is opened and the exhaust fan 23 is started to exhaust the gas outward to ensure the stability of the pressure. When exhausting the gas, the dust gas can be first pumped into the dust removal cylinder 15 through the exhaust pipe 3, and then pass through the outermost filter cylinder 19, a layer of fiber felt 20, a layer of activated carbon 21, a middle layer filter cylinder 19 with a pore size smaller than the outermost layer, a layer of fiber felt 20, a layer of activated carbon 21, the innermost filter cylinder 19 with a pore size smaller than the middle layer, and the last layer of fiber felt 20 from the outside to the inside, thereby realizing the filter cylinder multi-stage interception filtration, multiple fiber felt interception filtration and multiple activated carbon adsorption filtration of the gas. Finally, the gas entering the inner layer of the innermost filter screen cylinder 19 can be led to the water in the water tank 24 through the outlet pipe 22, the hose 25 and the discharge pipe 26 and discharged to the external environment, so that the overall dust removal effect is better, and the dust in the exhaust gas can be effectively removed to avoid environmental pollution, which is more beneficial to the health of the surrounding workers;

[0020] After using it for a period of time, when the machine is stopped, first disconnect the connection between the air outlet pipe 22 and the hose 25 through the quick connector 27, then run the two motors 7 to drive the screw 10 to reverse, so that the nut 11 and the corresponding fixing plate 12 are away from the mounting plate 17 until the fixing rod 13 is withdrawn from the corresponding fixing through hole 18, and the plug-in fixation of the mounting plate 17 can be released, and then the mounting plate 17 can be pulled out and the dust collector 15 can be completely separated from the exhaust pipe 3, and the entire original dust collector 15 can be disassembled. Next, after taking out the new dust collector 15, first align the mounting through hole 16 on it with the exhaust pipe 3, align the mounting plate 17 on it with the positioning groove 14, and place it in place on the support plate 6, so that the top of the exhaust pipe 3 is inserted into the dust collector 15 through the mounting through hole 16, and the mounting plate 17 is inserted and inserted into the corresponding positioning groove 14, and then the two motors 7 are operated to drive the screw 10 to rotate forward, so that the nut 11 brings the corresponding fixing plate 12 close to the mounting plate 17 until the fixing plate 12 presses against the corresponding mounting plate 17, and the fixing rod 13 at this time can be inserted and inserted into the corresponding fixing through hole 18, and the mounting plate 17 is inserted and fixed, that is, the fixed installation of the new dust collector 15 is completed, and the installation is stable and does not affect the subsequent use. Afterwards, the hose 25 is connected to the exhaust pipe 22 through the quick connector 27, and it can continue to be used. In this way, the entire dust removal cylinder 15 can be quickly disassembled and assembled, and can be flexibly and conveniently replaced when its dust removal effect is reduced, which can better ensure the dust removal effect and make the overall use more flexible, convenient and practical.

[0021] In this embodiment, the exhaust pipe 3 is matched with the mounting through hole 16 to ensure that the exhaust pipe 3 is smoothly inserted into the dust removal cylinder 15 .

[0022] In this embodiment, the top end of the exhaust pipe 3 is fixedly connected to the same inverted cone guide block 29 through a number of pillars 28. During exhaust, the dust gas passing through the exhaust pipe 3 can be evenly dispersed and guided to the surrounding side of the dust removal component, so that the gas can pass through the dust removal component more evenly, thereby better ensuring the dust removal quality.

[0023] In this embodiment, the mounting plate 17 is matched with the corresponding positioning slot 14 to ensure that the mounting plate 17 is smoothly plugged into place.

[0024] In this embodiment, the fixing rod 13 is matched with the corresponding fixing through hole 18 to ensure that the fixing rod 13 is smoothly inserted into place.

[0025] In this embodiment, a slider 30 is fixed to the top of the nut 11, and a matching slide groove 31 is opened on the bottom of the support plate 6 corresponding to the slider 30. The slider 30 is slidably arranged in the corresponding slide groove 31 to guide and limit the left and right movement of the nut 11.

[0026] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. 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 silo dust removal device, comprising a silo body and a feed pipe and an exhaust pipe connected to the top of the silo body, wherein the feed pipe is provided with a feed valve, and the lower part of the exhaust pipe is provided with an exhaust valve, characterized in that: The upper fixed sleeve of the exhaust pipe is provided with a support plate, and a motor and a vertical plate are fixedly provided on the bottom of the support plate on the left and right sides of the exhaust pipe. The motor is arranged close to the exhaust pipe, and a rotating shaft is horizontally penetrated and rotatably provided on the vertical plate. One end of the rotating shaft close to the motor is coaxially fixedly connected to the output shaft of the corresponding motor, and the other end is coaxially fixedly connected to a screw, and a nut is threadedly sleeved on the screw, the top of the nut is slidably connected to the bottom of the support plate, and the bottom end is fixedly connected to a fixing plate, and a plurality of fixing rods distributed in a rectangular array are fixedly provided on the side of the fixing plate away from the exhaust pipe, and a positioning through groove is provided on the support plate on the side of the screw away from the exhaust pipe, and a dust collector is placed on the support plate, and a mounting through hole is provided at the bottom center of the dust collector, and mounting plates are fixedly provided on the left and right sides of the outer bottom, and a plurality of fixing through holes are provided at the lower part of the mounting plate. The top of the exhaust pipe is inserted into the dust collector through the mounting through hole, the mounting plate is inserted into the positioning through groove on the same side, the fixing plate abuts the mounting plate on the same side, the fixing rod corresponds to and inserts into the fixing through hole on the same side one by one, and the dust collector assembly is fixedly suspended on the inner top of the dust collector, and the dust collector assembly includes three groups of filter screen cylinders, the filter screen cylinders are sequentially sleeved from the outside to the inside and the aperture decreases gradually, a fiber felt is provided on the inner wall of each group of filter screen cylinders, and the gap between adjacent two filter screen cylinders is filled with activated carbon, the top center of the dust collector is connected with an outlet pipe, the bottom end of the outlet pipe passes through the inner side of the innermost filter screen cylinder, an exhaust fan and a sink are provided on the outer top of the warehouse body, the air inlet of the exhaust fan is connected with a hose, the exhaust port is connected to the water in the sink through a discharge pipe, and the hose is connected to the top of the outlet pipe through a quick connector.

2. The silo dust removal device according to claim 1, characterized in that: The exhaust pipe is matched with the installation through hole.

3. The silo dust removal device according to claim 1, characterized in that: The top end of the exhaust pipe is fixedly connected to the same inverted cone-shaped guide block via a plurality of supports.

4. The silo dust removal device according to claim 1, characterized in that: The mounting plate is matched with the corresponding positioning slot.

5. The silo dust removal device according to claim 1, characterized in that: The fixing rod is matched with the corresponding fixing through hole.

6. The silo dust removal device according to claim 1, characterized in that: A sliding block is fixedly arranged at the top of the nut, and a matching sliding groove is arranged on the bottom of the supporting plate corresponding to the sliding block, and the sliding block is slidably arranged in the corresponding sliding groove.