Filter box for tail gas purification

Abstract

The utility model discloses a filter box for tail gas purification, and relates to the technical field of filter boxes. The bottom surface of the inner wall of the collecting box is connected with a mounting pipe which extends upwards; the top end of the mounting pipe is provided with a filter screen; the lower part in the mounting pipe is rotatably matched with a windmill; the output end of the windmill is provided with a transmission shaft; the transmission shaft is fixed in the bearing. After tail gas enters the filter box through the gas inlet pipe, large-particle impurities are filtered out through the filter screen, the tail gas enters the mounting pipe, the windmill is driven to rotate when flowing in the mounting pipe, the windmill drives the scraper to rotate through the transmission shaft, the scraper rotates to scrape the filter screen, and the impurities on the upper side of the filter screen are scraped into the collecting box, so that the device can conveniently and automatically clean the filter screen; and the cleaning and maintenance frequency of the device is reduced.

Description

Technical Field

[0001] The utility model belongs to the field of filter boxes, and specifically relates to a filter box for tail gas purification. Background Art

[0002] Exhaust gas is often mixed with granular waste, dust and pungent odor. If it is discharged directly, it will cause environmental pollution. In order to purify the exhaust gas, a filter box can be used to filter and clean it.

[0003] A Chinese patent with publication number CN218421624U discloses a filter box for exhaust gas purification, comprising a box body and a box cover, wherein the box cover is clamped at the top open end of the box body, and both ends of the box body are connected to the air pipe joint; a U-shaped rubber assembly pad is bonded to the inner wall of the box body, and an assembly frame is plugged on the surface of the box cover, and a clamping seat is symmetrically arranged on the inner wall of the assembly frame, and a support frame is clamped inside the clamping seat, and a filter element is fixedly connected inside the support frame, and the free end of the assembly frame is fixedly connected to the top plate, and the two side walls of the top plate are fixedly connected to the bosses, The lower surface of the boss is fixedly connected to the metal plate, the surface of the box cover is inlaid with magnetic blocks, the assembly frame on the lower surface of the top plate passes through the box cover and extends to the inside of the assembly groove of the U-shaped rubber assembly pad, and the support frame of the filter element is clamped between the clamping seats. When the filter element needs to be removed, the top plate is directly lifted vertically to remove the assembly frame and the filter element from the box body, which is convenient for cleaning and replacement, saving time and effort. Although the filter element in the exhaust gas purification filter box in this application is easy to disassemble and clean, it still needs to be manually disassembled and cleaned frequently, and it is not easy to complete the self-cleaning filter element, which increases the maintenance frequency of the user.

[0004] In view of this, the present utility model is proposed. Utility Model Content

[0005] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a filter box for tail gas purification.

[0006] In order to solve the above technical problems, the basic concept of the technical solution adopted by the utility model is:

[0007] A filter box for exhaust gas purification comprises a filter box, a collecting box is arranged in the filter box, an upwardly extending mounting tube is connected to the bottom surface of the inner wall of the collecting box, a filter screen is installed at the top of the mounting tube, a windmill is rotatably matched at the lower part of the mounting tube, a transmission shaft is arranged at the output end of the windmill, a scraper is arranged at the side of one end of the transmission shaft passing through the filter screen, a bearing is embedded in the filter screen, and the transmission shaft is fixed in the bearing.

[0008] Optionally, a baffle plate is provided on the side of the transmission shaft and fits with the bottom surface of the filter screen, and both the scraper and the baffle plate are fan-shaped plate structures, and the fan-shaped area of ​​the scraper plate is smaller than the fan-shaped area of ​​the baffle plate, so that the windmill can drive the scraper and the baffle plate to rotate synchronously through the transmission shaft. The scraper plate rotates to scrape the filter screen, and the impurities on the upper side of the filter screen are scraped into the collection box, and the baffle plate blocks the air flow in the scraping area of ​​the scraper.

[0009] Optionally, a through hole is provided at the bottom end of the collecting box, and the through hole is connected to the mounting pipe, so that the exhaust gas passes through the mounting pipe and then through the collecting box through the through hole.

[0010] Optionally, an opening is provided on one side of the filter box, a sealing plate is provided on one side of the opening, a handle is provided on one side of the sealing plate, and the collecting box is fixedly connected to the sealing plate, so that the collecting box can be pulled out of the filter box through the sealing plate.

[0011] Optionally, guide grooves are provided on the inner wall relative to the filter box, guide strips are provided on the outer side relative to the collection box, and the guide strips are slidably fitted in the guide grooves, so as to improve the stability of the collection box in the filter box.

[0012] Optionally, two mesh plates extending into the filter box are provided on one side of the sealing plate, filter cotton is provided on the upper side of the mesh plate, the filter cotton is located below the filter net, an air inlet pipe is provided on the upper part of the filter box, and an air outlet pipe is provided on the lower part of the filter box, so as to facilitate filtering of fine impurities through the two filter cottons and improve the exhaust gas treatment effect.

[0013] After adopting the above technical solution, the utility model has the following beneficial effects compared with the prior art. Of course, any product implementing the utility model does not necessarily need to achieve all the advantages described below at the same time:

[0014] After the exhaust gas enters the filter box through the intake pipe, large particles of impurities are filtered out by the filter and enter the installation pipe. When flowing in the installation pipe, it drives the windmill to rotate. The windmill drives the scraper to rotate through the transmission shaft. The scraper rotates and scrapes the filter, and the impurities on the upper side of the filter are scraped into the collection box, which is convenient for the device to self-clean the filter and reduce the frequency of cleaning and maintenance of the device.

[0015] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described below are only some embodiments. For those skilled in the art, other drawings can be obtained based on these drawings without creative work. In the drawings:

[0017] Figure 1 This is a schematic diagram of the three-dimensional structure of an embodiment of the utility model;

[0018] Figure 2This is a schematic cross-sectional view of an embodiment of the utility model;

[0019] Figure 3 This is a bottom view structural diagram of an embodiment of the utility model;

[0020] Figure 4 This is a schematic diagram of the main structure of an embodiment of the utility model;

[0021] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0022] Filter box 1, opening 101, sealing plate 102, guide groove 103, mesh plate 104, filter cotton 105, air inlet pipe 106, air outlet pipe 107, collecting box 2, through hole 201, guide strip 202, mounting tube 3, filter screen 4, windmill 5, transmission shaft 6, scraper 7, baffle 8.

[0023] It should be noted that these drawings and textual descriptions are not intended to limit the conceptual scope of the present invention in any way, but rather to illustrate the concept of the present invention for those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0024] The utility model will now be further described in detail with reference to the accompanying drawings.

[0025] See also Figure 1-4 As shown, in this embodiment, a filter box for exhaust gas purification is provided, including a filter box 1, a collecting box 2 is arranged in the filter box 1, an upwardly extending mounting tube 3 is connected to the bottom surface of the inner wall of the collecting box 2, a filter screen 4 is installed on the top of the mounting tube 3, a windmill 5 is rotatably cooperated in the lower part of the mounting tube 3, a transmission shaft 6 is provided at the output end of the windmill 5, the transmission shaft 6 passes through the filter screen 4, and a scraper 7 is provided on the side of one end, a bearing is embedded in the filter screen 4, and the transmission shaft 6 is fixed in the bearing.

[0026] After the exhaust gas enters the filter box 1 through the intake pipe 106, large particles of impurities are filtered out by the filter 4 and enter the installation pipe 3. When flowing in the installation pipe 3, it drives the windmill 5 to rotate. The windmill 5 drives the scraper 7 to rotate through the transmission shaft 6. The scraper 7 rotates and scrapes the filter 4, and scrapes the impurities on the upper side of the filter 4 into the collection box 2, so that the device can self-clean the filter 4, and reduce the frequency of cleaning and maintenance of the device.

[0027] A baffle 8 is provided on the side of the transmission shaft 6 of this embodiment, which is in contact with the bottom surface of the filter screen 4, and the scraper 7 and the baffle 8 are both fan-shaped plate structures. The fan-shaped area of ​​the scraper 7 is smaller than the fan-shaped area of ​​the baffle 8, which is convenient for the windmill 5 to drive the scraper 7 and the baffle 8 to rotate synchronously through the transmission shaft 6. The scraper 7 rotates to scrape the filter screen 4, and the impurities on the upper side of the filter screen 4 are scraped into the collecting box 2. The baffle 8 blocks the air flow in the scraping area of ​​the scraper 7, so as to improve the scraping effect of the scraper 7.

[0028] A through hole 201 is provided at the bottom of the collecting box 2 of this embodiment, and the through hole 201 is connected to the mounting pipe 3 , so that the exhaust gas passes through the mounting pipe 3 and then through the collecting box 2 through the through hole 201 .

[0029] In this embodiment, an opening 101 is provided on one side of the filter box 1, a sealing plate 102 is provided on one side of the opening 101, a handle is provided on one side of the sealing plate 102, and the collection box 2 is fixedly connected to the sealing plate 102, so that the collection box 2 can be pulled out of the filter box 1 through the sealing plate 102 to facilitate cleaning of the collection box 2.

[0030] In this embodiment, the filter box 1 is provided with a guide groove 103 relative to the inner wall, and the collection box 2 is provided with a guide bar 202 relative to the outer side, and the guide bar 202 is slidably fitted in the guide groove 103, so as to improve the stability of the collection box 2 in the filter box 1 and support the collection box 2 through the guide bar 202.

[0031] One side of the sealing plate 102 of the present embodiment is provided with two mesh plates 104 extending into the filter box 1, and the upper side of the mesh plate 104 is provided with filter cotton 105, and the filter cotton 105 is located below the filter screen 4. An air inlet pipe 106 is provided on the upper part of the filter box 1, and an air outlet pipe 107 is provided on the lower part of the filter box 1, so as to facilitate filtering fine impurities through the two filter cottons 105, improve the treatment effect of exhaust gas, and facilitate exhaust gas to enter the filter box 1 through the air inlet pipe 106 for treatment and then be discharged through the air outlet pipe 107.

[0032] Working principle: after the exhaust gas enters the filter box 1 through the intake pipe 106, the large particles of impurities are filtered out by the filter 4 and enter the installation pipe 3. When circulating in the installation pipe 3, it drives the windmill 5 to rotate. The windmill 5 drives the scraper 7 and the baffle 8 to rotate synchronously through the transmission shaft 6. The scraper 7 rotates to scrape the filter 4, and the impurities on the upper side of the filter 4 are scraped into the collection box 2. The baffle 8 blocks the air flow in the scraping area of ​​the scraper 7, which is convenient for improving the scraping effect of the scraper 7, facilitating the self-cleaning of the filter 4 by the device, and facilitating reducing the frequency of cleaning and maintenance of the device. The exhaust gas filtered by the filter 4 passes through the two filter cottons 105 to filter fine impurities, which is convenient for improving the treatment effect of the exhaust gas. After using it for a period of time, the sealing plate 102 is pulled out by the handle, which is convenient for driving the collection box 2, the mesh plate 104, and the filter cotton 105 to be pulled out of the filter box 1, so as to quickly pour out the impurities in the collection box 2, replace the filter cotton 105, and quickly clean the impurities in the device.

[0033] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0034] The present invention is not limited to the above-mentioned implementation modes. Anyone should be aware of the structural changes made under the inspiration of the present invention. Any technical solution that is the same or similar to the present invention falls within the protection scope of the present invention. The technology, shape, and structure that are not described in detail in the present invention are all known technologies.

Claims

1. A filter box for exhaust gas purification, characterized in that: include: A filter box (1) is provided inside the filter box (1), a collecting box (2) is connected to the bottom surface of the inner wall of the collecting box (2) with a mounting tube (3) extending upward, a filter screen (4) is mounted on the top of the mounting tube (3), a windmill (5) is rotatably matched in the lower part of the mounting tube (3), a transmission shaft (6) is provided at the output end of the windmill (5), a scraper (7) is provided at the side of one end of the transmission shaft (6) penetrating the filter screen (4), a bearing is embedded in the filter screen (4), and the transmission shaft (6) is fixed in the bearing.

2. A filter box for exhaust gas purification according to claim 1, characterized in that: A baffle (8) is provided on the side of the transmission shaft (6) and is in contact with the bottom surface of the filter screen (4), and both the scraper (7) and the baffle (8) are fan-shaped plate structures, and the fan-shaped area of ​​the scraper (7) is smaller than the fan-shaped area of ​​the baffle (8).

3. The filter box for exhaust gas purification according to claim 1, characterized in that: A through hole (201) is provided at the bottom end of the collection box (2), and the through hole (201) is connected to the mounting tube (3).

4. The filter box for exhaust gas purification according to claim 1, characterized in that: An opening (101) is provided on one side of the filter box (1), a sealing plate (102) is provided on one side of the opening (101), and the collection box (2) is fixedly connected to the sealing plate (102).

5. The filter box for exhaust gas purification according to claim 4, characterized in that: The filter box (1) is provided with a guide groove (103) relative to the inner wall, and the collection box (2) is provided with a guide strip (202) relative to the outer side, and the guide strip (202) is slidably fitted in the guide groove (103).

6. The filter box for exhaust gas purification according to claim 5, characterized in that: Two mesh plates (104) extending into the filter box (1) are provided on one side of the sealing plate (102); filter cotton (105) is provided on the upper side of the mesh plate (104); the filter cotton (105) is located below the filter screen (4); an air inlet pipe (106) is provided on the upper part of the filter box (1); and an air outlet pipe (107) is provided on the lower part of the filter box (1).

Images