Tail gas treatment device with waste heat recovery function

Abstract

The utility model discloses a tail gas treatment device with a waste heat recovery function, and relates to the technical field of tail gas treatment devices. The device comprises a treatment cylinder and a filter screen, an access hole is formed in the side part of the treatment cylinder, an access door is rotationally matched in the access hole, two guide grooves are formed in the inner wall of the access hole, and guide bulges positioned in the guide grooves are arranged on the side part of the filter screen; an adjusting part is arranged in the treatment barrel, a transmission rod is rotationally matched with the upper side of the adjusting part, a windmill fixedly sleeves the lower part of the transmission rod, and a plurality of scrapers corresponding to the filter screens are arrayed on the circumference of the upper part of the transmission rod. When waste gas flows, the windmill is driven to rotate, and the windmill drives the scraping plate to rotate to scrape and clean the filter screen through the transmission rod, so that the filter screen can continuously filter conveniently, the filtering effect of the filter screen can be kept conveniently, and the influence of filtered impurities on the filtering effect of the filter screen is reduced.

Description

Technical Field

[0001] The utility model belongs to the field of tail gas treatment devices, and in particular relates to a tail gas treatment device with waste heat recovery. Background Art

[0002] Exhaust gas not only refers to the exhaust gas emitted by cars, but also refers to the exhaust gas generated during industrial production. In order to reduce pollution, the exhaust gas generated by factories during processing is generally discharged after treatment. Some factories recycle the waste heat of exhaust gas for energy conservation and environmental protection.

[0003] The Chinese patent with announcement number CN216170742U discloses an exhaust gas treatment device with waste heat recovery function, including a treatment box, a water pipe is fixed in the treatment box, and a filter is installed in the treatment box, an opening is provided on one side of the treatment box, a limiting groove is provided at the upper end of the opening, a slide groove is provided at the lower end of the opening, a first support rod is slidably provided in the slide groove, a supporting spring is connected to the bottom of the first support rod and the slide groove, a fixing seat is fixed at the upper end of the first support rod, and a bracket is provided at the upper end of the fixing seat. When installing the filter, the utility model inserts the grid into the treatment box from the opening, presses the first support rod downward, inserts the baffle into the bracket, releases the first support rod, and under the elastic force of the supporting spring, the fixing seat slides upward, driving the upper end of the baffle to be inserted into the limiting groove, which is convenient for installation. Although the filter is easy to replace in the exhaust gas treatment device with waste heat recovery function in the application, the filtering performance of the filter is gradually reduced during use, affecting the exhaust gas treatment efficiency.

[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 an exhaust gas treatment device with waste heat recovery.

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

[0007] An exhaust gas treatment device with waste heat recovery includes a treatment cylinder and a filter screen. The side of the treatment cylinder is provided with an inspection port, a maintenance door is rotatably provided in the inspection port, two guide grooves are provided on the inner wall of the inspection port, and a guide protrusion located in the guide groove is provided on the side of the filter screen.

[0008] An adjusting piece is arranged in the treatment cylinder, a driving rod is rotatably matched on the upper side of the adjusting piece, a windmill is fixedly sleeved on the lower part of the driving rod, and a plurality of scrapers corresponding to the filter screen are arranged in a circular array on the upper part of the driving rod.

[0009] Optionally, the adjusting part includes a polygonal guide barrel, a polygonal guide column is elastically slidably engaged in the polygonal guide barrel, a plurality of support bars are provided between the polygonal guide barrel and the inner wall of the processing barrel, the transmission rod is rotatably engaged on the upper side of the polygonal guide column, a polygonal plate is slidably engaged in the polygonal guide barrel, a spring is provided between the polygonal guide column and the polygonal plate, and an adjusting handle bolt rotatably engaged with the polygonal plate thread at the bottom end of the polygonal guide barrel is rotatably engaged, so that the scraper is pushed by the spring to squeeze and scrape the filter net, thereby improving the cleaning effect of the filter net and driving the polygonal plate to slide by rotating the adjusting handle bolt.

[0010] Optionally, a bearing is embedded in the bottom end of the polygonal guide barrel, a smooth curved surface is provided on the outer side of one end of the adjusting handle bolt, and one end of the adjusting handle bolt is fixed in the bearing, so as to improve the stability of the rotation of the adjusting handle bolt.

[0011] Optionally, a water pipe is provided in the treatment tube, both ends of the water pipe extend out of the treatment tube, the part of the water pipe located in the treatment tube is in a spiral structure, a heat-conducting column is provided in the treatment tube, a plurality of heat-conducting plates are provided between the heat-conducting column and the inner wall of the treatment tube, and a through hole corresponding to the water pipe is provided on the side of the heat-conducting plate to facilitate the flow of water through the water pipe. The water directly absorbs the heat of the exhaust gas through the water pipe, and indirectly absorbs the heat of the exhaust gas through the heat-conducting column and the heat-conducting plate.

[0012] 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:

[0013] When the exhaust gas flows through, it drives the windmill to rotate, and the windmill drives the scraper to rotate through the transmission rod to scrape and clean the filter, so that the filter can continue to filter, maintain the filtering effect of the filter, and reduce the influence of filtered impurities on the filtering effect of the filter.

[0014] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] 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:

[0016] Figure 1 This is a schematic diagram of the three-dimensional structure of an embodiment of the utility model;

[0017] Figure 2 This is a schematic cross-sectional view of an embodiment of the utility model;

[0018] Figure 3 This is a schematic diagram of the inspection port structure of an embodiment of the utility model;

[0019] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0020] Processing cylinder 1, inspection port 101, inspection door 102, guide groove 103, filter screen 2, guide protrusion 201, adjustment member 3, polygonal guide barrel 301, polygonal guide column 302, support bar 303, polygonal plate 304, spring 305, adjustment handle bolt 306, transmission rod 4, windmill 5, scraper 6, water pipe 7, heat conduction column 8, heat conduction plate 9.

[0021] 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

[0022] The utility model will now be described in further detail with reference to the accompanying drawings.

[0023] See also Figure 1-3 As shown, in this embodiment, a tail gas treatment device with waste heat recovery is provided, including a treatment cylinder 1 and a filter screen 2. The treatment cylinder 1 is provided with an inspection port 101 on the side, and an inspection door 102 is rotatably matched in the inspection port 101. Two guide grooves 103 are provided on the inner wall of the inspection port 101, and a guide protrusion 201 located in the guide groove 103 is provided on the side of the filter screen 2;

[0024] An adjusting member 3 is provided in the treatment cylinder 1 , and a transmission rod 4 is rotatably fitted on the upper side of the adjusting member 3 , a windmill 5 is fixedly sleeved on the lower part of the transmission rod 4 , and a plurality of scrapers 6 corresponding to the filter screen 2 are arranged in a circular array on the upper part of the transmission rod 4 .

[0025] When the exhaust gas flows, the windmill 5 is driven to rotate, and the windmill 5 drives the scraper 6 to rotate through the transmission rod 4 to scrape and clean the filter 2, so as to facilitate the continuous filtering of the filter 2, to maintain the filtering effect of the filter 2, and to reduce the influence of filtered impurities on the filtering effect of the filter 2.

[0026] The adjusting member 3 of the present embodiment comprises a polygonal guide barrel 301, in which a polygonal guide column 302 is elastically slidably fitted, a plurality of support bars 303 are arranged between the polygonal guide barrel 301 and the inner wall of the treatment barrel 1, a transmission rod 4 is rotatably fitted on the upper side of the polygonal guide column 302, a polygonal plate 304 is slidably fitted in the polygonal guide barrel 301, a spring 305 is arranged between the polygonal guide column 302 and the polygonal plate 304, an adjusting handle bolt 306 rotatably fitted with the threaded engagement with the polygonal plate 304 is arranged at the bottom end of the polygonal guide barrel 301, so that the scraper 6 is pushed by the spring 305 to squeeze and scrape the filter net 2, so as to improve the cleaning effect of the filter net 2, and so as to drive the polygonal plate 304 to slide by rotating the adjusting handle bolt 306, so as to adjust the force of the scraper 6 to squeeze and scrape the filter net 2.

[0027] A bearing is embedded at the bottom end of the polygonal guide barrel 301 of this embodiment, and a smooth curved surface is provided on the outer side of one end of the adjusting handle bolt 306. One end of the adjusting handle bolt 306 is fixed in the bearing to facilitate improving the rotation stability of the adjusting handle bolt 306 and to facilitate improving the stability of the sliding of the polygonal plate 304 driven by the adjusting handle bolt 306.

[0028] A water pipe 7 is provided in the treatment tube 1 of the present embodiment, and both ends of the water pipe 7 extend out of the treatment tube 1. The part of the water pipe 7 located in the treatment tube 1 is in a spiral structure. A heat-conducting column 8 is provided in the treatment tube 1. A plurality of heat-conducting plates 9 are provided between the heat-conducting column 8 and the inner wall of the treatment tube 1. Through holes corresponding to the water pipe 7 are provided on the side of the heat-conducting plate 9 to facilitate the flow of water through the water pipe 7. The water directly absorbs the heat of the exhaust gas through the water pipe 7, and indirectly absorbs the heat of the exhaust gas through the heat-conducting column 8 and the heat-conducting plate 9, so as to improve the waste heat recovery rate and recovery speed of the exhaust gas.

[0029] Working principle: the exhaust gas enters through the bottom end of the treatment cylinder 1, and the water flows through the water pipe 7. The water directly absorbs the heat of the exhaust gas through the water pipe 7, and indirectly absorbs the heat of the exhaust gas through the heat-conducting column 8 and the heat-conducting plate 9, so as to improve the waste heat recovery rate and recovery speed of the exhaust gas. After the exhaust gas is filtered by the filter 2, it is discharged through the upper end of the treatment cylinder 1. When the exhaust gas flows, it drives the windmill 5 to rotate. The windmill 5 drives the scraper 6 to rotate through the transmission rod 4 to scrape and clean the filter 2, so as to facilitate the continuous filtering of the filter 2, to maintain the filtering effect of the filter 2, and to reduce the influence of the filtered impurities on the filtering effect of the filter 2. The scraper 6 is pushed by the spring 305 to squeeze and scrape the filter 2, so as to improve the cleaning effect of the filter 2, and to drive the polygonal plate 304 to slide by rotating the adjusting handle bolt 306, so as to adjust the force of the scraper 6 squeezing and scraping the filter 2, and to rotate the inspection door 102 to open the inspection port 101, so as to facilitate the removal and replacement of the filter 2, and to slide into the guide groove 103 through the guide protrusion 201 on the filter 2, so as to facilitate the quick installation of the filter 2.

[0030] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0031] 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. An exhaust gas treatment device with waste heat recovery, characterized in that: include: A treatment cylinder (1) and a filter screen (2); the treatment cylinder (1) is provided with an inspection opening (101) on the side thereof, an inspection door (102) is rotatably engaged in the inspection opening (101), two guide grooves (103) are provided on the inner wall of the inspection opening (101), and a guide protrusion (201) located in the guide groove (103) is provided on the side of the filter screen (2); An adjusting member (3) is provided in the treatment cylinder (1), a transmission rod (4) is rotatably matched on the upper side of the adjusting member (3), a windmill (5) is fixedly sleeved on the lower part of the transmission rod (4), and a plurality of scrapers (6) corresponding to the filter screen (2) are arranged in a circular array on the upper part of the transmission rod (4).

2. The tail gas treatment device with waste heat recovery according to claim 1, characterized in that: The adjusting member (3) comprises a polygonal guide barrel (301), a polygonal guide column (302) elastically slidingly fitted inside the polygonal guide barrel (301), a plurality of support bars (303) are provided between the polygonal guide barrel (301) and the inner wall of the processing cylinder (1), and a transmission rod (4) is rotatably fitted on the upper side of the polygonal guide column (302).

3. The tail gas treatment device with waste heat recovery according to claim 2, characterized in that: A polygonal plate (304) is slidably fitted in the polygonal guide barrel (301), a spring (305) is provided between the polygonal guide column (302) and the polygonal plate (304), and an adjusting handle bolt (306) threadably fitted with the polygonal plate (304) is rotatably fitted at the bottom end of the polygonal guide barrel (301).

4. The tail gas treatment device with waste heat recovery according to claim 3 is characterized in that: A bearing is embedded in the bottom end of the polygonal guide barrel (301), a smooth curved surface is provided on the outer side of one end of the adjusting handle bolt (306), and one end of the adjusting handle bolt (306) is fixed in the bearing.

5. The tail gas treatment device with waste heat recovery according to claim 1, characterized in that: A water pipe (7) is arranged in the treatment barrel (1), with both ends of the water pipe (7) extending out of the treatment barrel (1), and the part of the water pipe (7) located in the treatment barrel (1) presenting a spiral structure.

6. The tail gas treatment device with waste heat recovery according to claim 5, characterized in that: A heat-conducting column (8) is arranged in the processing tube (1), a plurality of heat-conducting plates (9) are arranged between the heat-conducting column (8) and the inner wall of the processing tube (1), and a through hole corresponding to the water pipe (7) is arranged on the side of the heat-conducting plate (9).

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