Bag-type dust collector with cooling function

By introducing semiconductor refrigeration sheets and an aeration system into the bag filter, high-temperature flue gas can be pre-cooled, solving the aging problem of the bag filter caused by the lack of cooling function, extending the service life of the filter bag and improving the practicality of the dust collector.

CN223311819UActive Publication Date: 2025-09-09NINGBO HEXIN METAL CO LTD
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Patent Information

Application Number
CN202422772494.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-14
Publication Date
2025-09-09
Estimated Expiration
2034-11-14

AI Technical Summary

Technical Problem

Existing bag dust collectors lack a cooling function, which causes high-temperature flue gas to directly enter the dust collector, accelerating bag aging and reducing service life.

Method used

Semiconductor refrigeration plates and aeration systems are used to pre-cool the flue gas, and the water in the cooling box is aerated through aeration pipes and aeration holes. Gas cooling is achieved by combining gas storage tanks and vacuum pumps, and the water and flue gas in the cooling box are fully integrated and cooled.

Benefits of technology

It effectively reduces the flue gas temperature, prolongs the service life of the filter bags of the bag filter, and improves the practicality and cooling effect of the dust collector.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of bag-type dust removers, and discloses a bag-type dust remover with a cooling function, which comprises a base, a bag-type dust remover is arranged at one end of the top of the base, a filter bag for filtering smoke dust is arranged at the top in the bag-type dust remover, and a cooling mechanism for pre-cooling smoke is arranged at the other end of the top of the base. The cooling mechanism comprises supporting legs fixed to the four corners of the other end of the top of the base, the tops of the multiple supporting legs are fixedly provided with the same cooling box, and the two ends of the interior of the cooling box are connected with communicating second air inlet pipes. As the semiconductor chilling plate is adopted, water in the cooling box is cooled through the semiconductor chilling plate, the sucking pump is operated, water at the bottom in the cooling box is aerated through the aeration pipe and the aeration holes, smoke passing through the interior of the second air inlet pipe can be fully cooled, the practicability is high, the cooling effect is good, and the cooling effect is good. And the service life of the filter bag in the bag-type dust collector is effectively prolonged.
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Description

Technical Field

[0001] The utility model relates to the technical field of bag dust collectors, in particular to a bag dust collector with a cooling function. Background Art

[0002] When exhaust gas is discharged, a bag dust collector is often used for filtration. The bag dust collector uses fiber fabrics to filter the dust in the gas. After filtration, the larger dust will settle due to gravity and fall into the ash hopper for collection.

[0003] Since some smoke and dust gases have a high temperature when they are discharged, such as the smoke and dust discharged from industrial boilers, if this type of smoke and dust with a high temperature directly enters the bag dust collector for filtration, it will accelerate the aging of the bags. Existing bag dust collectors often do not have a gas cooling function. Therefore, there is an urgent need for a bag dust collector with a cooling function to solve this problem. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a bag dust collector with a cooling function.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A bag dust collector with a cooling function comprises a base, a bag dust collector is provided at one end of the top of the base, a filter bag for filtering smoke is provided at the top of the bag dust collector, and a cooling mechanism for pre-cooling the smoke is provided at the other end of the top of the base;

[0007] The cooling mechanism includes supporting legs fixed at the four corners of the other end of the top of the base, and the same cooling box is fixed on the top of the multiple supporting legs, the internal two ends of the cooling box are connected with the second air inlet pipe, the internal bottom of the cooling box is installed with a semiconductor refrigeration plate, the bottom of the semiconductor refrigeration plate is provided with a heat dissipation fin, the bottom of the internal two ends of the cooling box are provided with an aeration pipe, the top of the aeration pipe is provided with a plurality of aeration holes connected with the interior thereof, and filter screens are provided on both sides of the aeration pipe, the tops of the two aeration pipes are connected with a second air outlet pipe connected with the interior thereof, the other ends of the two second air outlet pipes are connected with an air pump, and the two air pumps are installed on both sides of the top of the cooling box through a mounting plate, the semiconductor refrigeration plate is electrically connected to an external power supply, and the cold water at the bottom of the cooling box and the water at the top of the cooling box can be fully integrated through the aeration pipe, so that the flue gas inside the second air inlet pipe is fully cooled.

[0008] As a further solution of the present invention, fixing rings are fixed to the outer walls on both sides of the cooling box, and an air storage tank is fixed inside the fixing rings. A first air outlet pipe communicating with the interior of the air storage tank is connected to one side of the top of the air storage tank, and the other end of the first air outlet pipe is connected to the air inlet end of an air pump. The air pump can extract the air inside the air storage tank to aerate the inner bottom of the cooling box.

[0009] As a further solution of the present invention, a gas injection port communicating with the interior of the gas storage tank is connected to the other side of the top of the gas storage tank, and a sealing gasket is provided on the top of the gas injection port.

[0010] As a further solution of the present invention, a water inlet communicating with the interior of the cooling box is provided at one end of the top of the cooling box close to the bag dust collector, and a water outlet pipe communicating with the interior is installed at the bottom of one end of the cooling box, and the water outlet pipe is provided with a control valve.

[0011] As a further solution of the present invention, the other end of the second air inlet pipe is connected to the first air inlet pipe, and the other end of the first air inlet pipe is connected to one end of the bag filter and communicates with the interior thereof.

[0012] As a further solution of the present invention, a third air outlet pipe communicating with the interior of the bag-type dust collector is provided on one side of the top thereof, and the support column is fixed to the top of the base. A discharge pipe communicating with the interior of the bag-type dust collector is provided at the bottom thereof, and a dust collecting bucket is provided at the bottom of the discharge pipe passing through the base.

[0013] As a further solution of the present invention, support columns are fixed to the four corners of the bottom of the bag-type dust collector, and the bottoms of the plurality of support columns are fixed to the top of the base.

[0014] The beneficial effects of the utility model are:

[0015] The utility model adopts a semiconductor refrigeration plate, fills the interior of the cooling box with a certain amount of water through the water inlet, and then cools the water inside the cooling box through the semiconductor refrigeration plate, operates the vacuum pump, and transports the gas inside the gas storage tank to the second outlet pipe through the first outlet pipe, and then aerates the water at the bottom of the cooling box through the aeration pipe and the aeration hole, so that the water inside the cooling box can be fully cooled. The semiconductor refrigeration plate is placed only to cool the bottom of the cooling box, which effectively solves the problem mentioned in the background technology that the existing bag dust collector often does not have a gas cooling function, and can fully cool the flue gas passing through the second air inlet pipe. It has high practicality and good cooling effect, and effectively increases the service life of the filter bag inside the bag dust collector. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1This is a schematic diagram of the overall structure of a bag dust collector with a cooling function proposed by the utility model;

[0017] Figure 2 This is a schematic diagram of the cross-sectional structure of the cooling mechanism of a bag dust collector with a cooling function proposed by the present invention;

[0018] Figure 3 This is a schematic side structural diagram of a cooling mechanism of a bag dust collector with a cooling function proposed in the present invention;

[0019] Figure 4 This is a schematic diagram of the local structure of a bag dust collector with a cooling function proposed by the utility model.

[0020] In the figure: 1. Base; 2. Cooling box; 201. First air inlet pipe; 202. Air storage tank; 203. Fixed ring; 204. First air outlet pipe; 205. Air injection port; 206. Mounting plate; 207. Air pump; 208. Second air outlet pipe; 209. Water injection port; 210. Aeration pipe; 211. Aeration hole; 212. Filter; 213. Semiconductor refrigeration plate; 215. Second air inlet pipe; 216. Control valve; 217. Heat dissipation fin; 218. Water outlet pipe; 3. Bag filter; 301. Dust collection barrel; 302. Third air outlet pipe; 303. Discharge pipe; 304. Support column. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0022] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments in this application can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0023] Reference Figure 1 - Figure 4 A bag dust collector with a cooling function comprises a base 1, a bag dust collector 3 is provided at one end of the top of the base 1, and a filter bag for filtering smoke is provided at the top of the bag dust collector 3, and a cooling mechanism for pre-cooling the smoke is provided at the other end of the top of the base 1;

[0024] The cooling mechanism includes support legs fixed to the four corners of the other end of the top of the base 1, and the top of the multiple support legs is fixed with the same cooling box 2, the two ends of the interior of the cooling box 2 are connected with the second air inlet pipe 215, the bottom of the interior of the cooling box 2 is installed with a semiconductor refrigeration plate 213, the bottom of the semiconductor refrigeration plate 213 is provided with a heat dissipation fin 217, the bottom of the two ends of the interior of the cooling box 2 is provided with an aeration pipe 210, the top of the aeration pipe 210 is provided with a plurality of aeration holes 211 connected to the interior thereof, and the two sides of the aeration pipe 210 are provided with a plurality of air holes 211 connected to the interior thereof. There is a filter screen 212, and the tops of the two aeration pipes 210 are connected to the second air outlet pipes 208 that are communicated with the interior thereof. The other ends of the two second air outlet pipes 208 are connected to the vacuum pumps 207. The two vacuum pumps 207 are installed on both sides of the top of the cooling box 2 through the mounting plate 206. The semiconductor refrigeration plate 213 is electrically connected to the external power supply. The cold water at the bottom of the cooling box 2 and the water at the top of the cooling box 2 can be fully integrated through the aeration pipe 210, so that the flue gas inside the second air inlet pipe 215 is fully cooled.

[0025] In this embodiment, a fixing ring 203 is fixed to the outer walls of both sides of the cooling box 2, and an air storage tank 202 is fixed inside the fixing ring 203. A first air outlet pipe 204 communicating with the interior of the air storage tank 202 is connected to one side of the top of the air storage tank 202, and the other end of the first air outlet pipe 204 is connected to the air inlet end of the air pump 207. The air pump 207 can extract the air inside the air storage tank 202 to aerate the internal bottom of the cooling box 2.

[0026] In this embodiment, a gas injection port 205 communicating with the interior of the gas storage tank 202 is connected to the other side of the top of the gas storage tank 202 , and a sealing gasket is provided on the top of the gas injection port 205 .

[0027] In this embodiment, a water inlet 209 communicating with the interior of the cooling box 2 is provided at one end of the top of the cooling box 2 near the bag dust collector 3, and a water outlet pipe 218 communicating with the interior is installed at the bottom of one end of the cooling box 2, and the water outlet pipe 218 is provided with a control valve 216.

[0028] In this embodiment, the other end of the second air inlet pipe 215 is connected to the first air inlet pipe 201 , and the other end of the first air inlet pipe 201 is connected to one end of the bag filter 3 and communicates with the interior thereof.

[0029] In this embodiment, a third air outlet pipe 302 communicating with the interior of the bag-type dust collector 3 is provided on one side of the top thereof, and a support column 304 is fixed to the top of the base 1. A discharge pipe 303 communicating with the interior of the bag-type dust collector 3 is provided at the bottom thereof, and a dust collecting bucket 301 is provided at the bottom of the discharge pipe 303 passing through the base 1.

[0030] In this embodiment, support columns 304 are fixed at the four corners of the bottom of the bag filter 3 , and the bottoms of the plurality of support columns 304 are fixed to the top of the base 1 .

[0031] Working principle: When in use, first inject water into the cooling box 2 through the water inlet 209, then connect the semiconductor refrigeration sheet 213 to the external power supply, the semiconductor refrigeration sheet 213 will cool the water inside the cooling box 2, and then transport the flue gas that needs to be dusted to one end of the second air inlet pipe 215. When the flue gas passes through the second air inlet pipe 215, the water inside the cooling box 2 will cool the flue gas, start the vacuum pump 207, and the vacuum pump 207 will extract the gas inside the gas storage tank 202 through the first air outlet pipe 204, and then transport it to the inside of the aeration pipe 210 through the second air outlet pipe 208, and then aerate the water at the bottom of the cooling box 2 through the aeration hole 211. By providing the aeration pipe 210, the bottom and The water in contact with the semiconductor refrigeration plate 213 is aerated, and the water at the bottom is fully integrated with the water at the top of the cooling box 2, thereby fully cooling the water inside the cooling box 2 and fully cooling the flue gas on the inner wall of the second air inlet pipe 215. After cooling, it will be transported to the inside of the bag filter 3 through the first air inlet pipe 201, and then the smoke will be filtered through the filter bag inside the bag filter 3, and then the clean gas will be discharged from the third air outlet pipe 302. Some filtered dust will fall into the dust collection bucket 301 through the discharge pipe 303 and be collected. By opening the control valve 216, the water inside the cooling box 2 can be discharged from the water outlet pipe 218, and then water can be re-injected into the cooling box 2 through the water injection port 209.

[0032] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used herein to describe the spatial positional relationship of a device or feature to other devices or features as shown in the figures. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figures. For example, if the device in the drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0033] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, they indicate the presence of features, steps, operations, devices, components and / or combinations thereof.

[0034] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable where appropriate, so that the embodiments of the present application described herein can, for example, be implemented in an order other than those illustrated or described herein. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0035] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that the present invention is susceptible to various modifications and variations. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A bag dust collector with a cooling function, comprising a base (1), characterized in that: A bag dust collector (3) is provided at one end of the top of the base (1), and a filter bag for filtering smoke is provided at the top of the bag dust collector (3), and a cooling mechanism for pre-cooling the smoke is provided at the other end of the top of the base (1); The cooling mechanism comprises support legs fixed to the four corners of the other end of the top of the base (1), and a cooling box (2) is fixed to the tops of the plurality of support legs, the inner ends of the cooling box (2) are connected to second air inlet pipes (215) that communicate with each other, a semiconductor cooling plate (213) is installed at the inner bottom of the cooling box (2), a heat dissipation fin (217) is provided at the bottom of the semiconductor cooling plate (213), and an aeration pipe (210) is provided at the inner bottom of both ends of the cooling box (2). ), a plurality of aeration holes (211) communicating with the interior of the aeration pipe (210) are provided on the top of the aeration pipe (210), filter screens (212) are provided on both sides of the aeration pipe (210), the tops of the two aeration pipes (210) are connected to second air outlet pipes (208) communicating with the interior of the aeration pipes (210), the other ends of the two second air outlet pipes (208) are connected to air pumps (207), and the two air pumps (207) are installed on both sides of the top of the cooling box (2) through a mounting plate (206).

2. The bag dust collector with cooling function according to claim 1, characterized in that: A fixing ring (203) is fixed to the outer walls of both sides of the cooling box (2), a gas storage tank (202) is fixed inside the fixing ring (203), a first gas outlet pipe (204) communicating with the inside of the gas storage tank (202) is connected to one side of the top of the gas storage tank (202), and the other end of the first gas outlet pipe (204) is connected to the gas inlet end of the air pump (207).

3. The bag dust collector with cooling function according to claim 2, characterized in that: The other side of the top of the gas storage tank (202) is connected to a gas injection port (205) communicating with the interior thereof, and a sealing gasket is provided on the top of the gas injection port (205).

4. The bag dust collector with cooling function according to claim 1, characterized in that: A water inlet (209) communicating with the interior of the cooling box (2) is provided at one end of the cooling box (2) near the bag dust collector (3), and a water outlet pipe (218) communicating with the interior of the cooling box (2) is installed at the bottom of one end of the cooling box (2), and the water outlet pipe (218) is provided with a control valve (216).

5. The bag dust collector with cooling function according to claim 1, characterized in that: The other end of the second air inlet pipe (215) is connected to the first air inlet pipe (201), and the other end of the first air inlet pipe (201) is connected to one end of the bag filter (3) and communicates with the interior thereof.

6. The bag dust collector with cooling function according to claim 5, characterized in that: A third air outlet pipe (302) communicating with the interior of the bag-type dust collector (3) is provided on one side of the top thereof, and a support column (304) is fixed to the top of the base (1). A discharge pipe (303) communicating with the interior of the bag-type dust collector (3) is provided at the bottom thereof, and a dust collecting bucket (301) is provided at the bottom of the discharge pipe (303) passing through the base (1).

7. The bag dust collector with cooling function according to claim 6, characterized in that: Support columns (304) are fixed at the four corners of the bottom of the bag dust collector (3), and the bottoms of the plurality of support columns (304) are fixed to the top of the base (1).