Tail gas purification treatment device

Abstract

The utility model discloses a tail gas purification treatment device and relates to the technical field of tail gas purification. The device comprises a treatment box and a box cover located on the upper side of the treatment box, a tail gas connecting pipe is connected to the lower portion of one side of the treatment box, a first valve is arranged on the tail gas connecting pipe, a circulating liquid spraying assembly is arranged on the treatment box, and an exhaust port is connected to the upper side of the box cover; a plurality of convex blocks are arranged on the two sides of the box cover, and electric push rods corresponding to the convex blocks are arranged on the side face of the treatment box; a limiting frame is arranged on the peripheral side of the inner wall of the treatment box, a pressing frame clamped in the box cover is arranged on the lower side of the box cover, a frame is placed between the limiting frame and the pressing frame, and a drying layer and an adsorption layer are arranged on the peripheral side of the inner wall of the frame. The electric push rod is matched with the convex block, so that the box cover is conveniently driven to move upwards to open the upper part of the treatment box, the frame, the drying layer and the adsorption layer are conveniently lifted, placed and replaced, the frame is supported through the limiting frame, and the position and the distance of the frame placed in the treatment box are limited.

Description

Technical Field

[0001] The utility model belongs to the field of tail gas purification, and specifically relates to a tail gas purification treatment device. Background Art

[0002] In chemical production, a large amount of tail gas is generated when chemical substances react with each other. These tail gases often contain some toxic substances. The tail gas treatment device is a device that purifies the tail gas under the action of a catalyst to reduce environmental pollution.

[0003] A Chinese patent with announcement number CN212068346U discloses a chemical exhaust gas purification treatment device, including a treatment box and a liquid storage tank, wherein the liquid storage tank is fixedly installed at the bottom of the treatment box, an observation window is embedded in the outer surface of the treatment box, and an air inlet pipe is connected to the bottom of the treatment box near one side, and an air outlet pipe is connected to the top of the treatment box near the middle position, and a blocking protection device is connected to the inside of the air inlet pipe. The blocking protection device consists of a blocking plate, a lifting block, a slide rail and a slide groove, a drying layer is embedded in the inside of the treatment box near the middle position, and an adsorption layer is embedded in the inside of the treatment box near the top position, a drain port is opened near the middle position of the bottom of the treatment box, and a spray pipe is connected between the treatment box and the liquid storage tank.

[0004] However, during the use of the chemical tail gas purification treatment device disclosed in the application, since the drying layer and the adsorption layer are embedded in the interior of the treatment box near the middle, it is difficult to replace the failed drying layer and the adsorption layer, which can easily affect the effect of the tail gas treatment. Summary of the invention

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

[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 purification device comprises a treatment box, a box cover located on the upper side of the treatment box, a lower part of one side of the treatment box is connected to an exhaust gas connecting pipe, a first valve is arranged on the exhaust gas connecting pipe, a circulating liquid spraying assembly is arranged on the treatment box, and an exhaust port is connected to the upper side of the box cover;

[0008] Multiple protrusions are arranged on both sides of the box cover, and electric push rods corresponding to the protrusions are arranged on the side of the processing box, and the output end of the electric push rod is arranged at the lower end of the protrusion;

[0009] A limit frame is provided on the inner wall of the processing box, a lower pressure frame is provided on the lower side of the box cover and is clamped in the box cover. The lower pressure frame is located above the limit frame, and a frame is placed between the limit frame and the lower pressure frame. A drying layer and an adsorption layer are installed on the inner wall of the frame, and the adsorption layer is located above the drying layer.

[0010] Optionally, two gripping grooves are provided on the upper side of the frame, the drying layer and the adsorption layer are located between the two gripping grooves, and a lifting rod is provided between the two ends of the inner wall of the gripping groove. The gripping groove and the lifting rod cooperate to facilitate lifting and placing the frame.

[0011] Optionally, a first sealing gasket corresponding to the frame is glued on the upper side of the limit frame, and a second sealing gasket corresponding to the frame is glued on the lower side of the pressure frame. The frame is clamped between the first sealing gasket and the second sealing gasket. The first sealing gasket and the second sealing gasket cooperate to improve the sealing between the limit frame, the pressure frame and the frame.

[0012] Optionally, the circulating spray assembly includes a liquid storage tank and a water pump installed on the side of the treatment tank. The water pump is located above the liquid storage tank. A liquid filling port is connected to the upper side of the liquid storage tank. The input end of the water pump is connected to a liquid extraction pipe group corresponding to the treatment tank and the liquid storage tank. The output end of the water pump is connected to a spray pipe group corresponding to the treatment tank. The liquid filling port is used to facilitate the filling of treatment liquid into the liquid storage tank.

[0013] Optionally, the liquid extraction pipe group includes a liquid extraction pipe connected to the input end of the water pump, the lower part of the liquid extraction pipe is connected to a connecting pipe, the connecting pipe is provided with a second valve and a third valve, the liquid extraction pipe is located between the second valve and the third valve, and the two ends of the liquid extraction pipe are respectively connected to an insertion pipe connected to the liquid storage tank and an L-shaped return pipe connected to the treatment tank. When the second valve is opened and the third valve is closed, the water pump works to extract the treatment liquid in the liquid storage tank; conversely, when the second valve is closed and the third valve is opened, the water pump works to extract the treatment liquid at the bottom of the inner cavity of the treatment tank.

[0014] Optionally, the spray and discharge pipe group includes a liquid supply pipe connected to the output end of the water pump, the upper part of the liquid supply pipe is connected to an integrated supply and discharge pipe, the integrated supply and discharge pipe is provided with a fourth valve and a fifth valve, the liquid supply pipe is located between the fourth valve and the fifth valve, one end of the integrated supply and discharge pipe is connected to an L-shaped extension pipe located in the treatment box, the L-shaped extension pipe is located below the limit frame, the lower part of the L-shaped extension pipe is connected to a horizontal pipe, and the lower part of the horizontal pipe is connected to a plurality of nozzles, when the fourth valve is opened and the fifth valve is closed, the water pump works to deliver the treatment liquid in the treatment box or the liquid storage tank into the horizontal pipe through the L-shaped extension pipe, and then sprays it out from the nozzle; when the fourth valve is closed and the fifth valve is opened, the water pump works to discharge the waste treatment liquid in the treatment box through the integrated supply and discharge pipe.

[0015] 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:

[0016] The electric push rod cooperates with the protrusion to drive the box cover upward to open the upper part of the treatment box, thereby facilitating the lifting and replacement of the frame together with the drying layer and the adsorption layer. The frame is supported by the limit frame, and the position and distance of the frame in the treatment box are limited. The frame is squeezed by the downward pressure frame to improve the stability of the frame after installation and reduce the probability of exhaust gas passing through the gap between the frame and the limit frame and the downward pressure frame.

[0017] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] 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:

[0019] Figure 1 This is a schematic diagram of the three-dimensional structure of an embodiment of the utility model;

[0020] Figure 2 This is a schematic cross-sectional structure diagram of an embodiment of the utility model;

[0021] Figure 3 for Figure 2 Schematic diagram of the structure at point A in the middle.

[0022] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0023] Processing box 1, limit frame 101, first sealing gasket 102, box cover 2, protrusion 201, exhaust port 202, lower pressure frame 203, second sealing gasket 204, electric push rod 3, frame 4, gripping groove 401, lifting rod 402, drying layer 403, adsorption layer 404, exhaust gas connecting pipe 5, first valve 501, liquid storage tank 6, liquid filling port 601, water pump 7, liquid extraction pipe 8, connecting pipe 801, second valve 802, extension pipe 803, third valve 804, L-shaped return pipe 805, liquid supply pipe 9, integrated delivery and discharge pipe 901, fourth valve 902, fifth valve 903, L-shaped extension pipe 10, horizontal pipe 1001, nozzle 1002.

[0024] 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

[0025] The utility model will now be further described in detail with reference to the accompanying drawings.

[0026] See also Figure 1-3As shown, in this embodiment, a tail gas purification treatment device is provided, including a treatment box 1, a box cover 2 located on the upper side of the treatment box 1, a tail gas connecting pipe 5 is connected to the lower part of one side of the treatment box 1, a first valve 501 is provided on the tail gas connecting pipe 5, a circulating liquid spraying assembly is provided on the treatment box 1, and an exhaust port 202 is connected to the upper side of the box cover 2;

[0027] A plurality of protrusions 201 are provided on both sides of the box cover 2, and an electric push rod 3 corresponding to the protrusions 201 is installed on the side of the processing box 1, and the output end of the electric push rod 3 is installed at the lower end of the protrusion 201;

[0028] A limiting frame 101 is provided on the inner wall of the processing box 1, and a pressing frame 203 which is clamped in the box cover 2 is provided on the lower side of the box cover 2. The pressing frame 203 is located above the limiting frame 101. A frame 4 is placed between the limiting frame 101 and the pressing frame 203. A drying layer 403 and an adsorption layer 404 are installed on the inner wall of the frame 4. The adsorption layer 404 is located above the drying layer 403.

[0029] The application of one aspect of this embodiment is: when in use, the exhaust gas connecting pipe 5 is connected to the exhaust gas emission equipment, and then the first valve 501 is opened to allow the exhaust gas to pass into the treatment box 1, and then the circulating spray assembly sprays the treatment liquid into the treatment box 1 to purify the exhaust gas, and then the purified exhaust gas is dried by the drying layer 403, and then adsorbed by the adsorption layer 404, and finally discharged through the exhaust port 202. When the drying layer 403 and the adsorption layer 404 need to be replaced, the electric push rod 3 is controlled to extend and push the protrusion 201 to rise, and the rise of the protrusion 201 drives the box cover 2 and the lower pressure frame 203 to rise. At this time, the frame 4 together with the drying layer 403 and the adsorption layer 404 can be lifted out of the treatment box 1 for replacement, and then the replaced frame 4 is placed on the limit frame 101, and the electric push rod 3 is controlled to contract to drive the box cover 2 to reset and press on the treatment box 1, and the lower pressure frame 203 is pressed on the frame 4.

[0030] In this embodiment, two gripping grooves 401 are provided on the upper side of the frame 4, the drying layer 403 and the adsorption layer 404 are located between the two gripping grooves 401, and a lifting rod 402 is provided between the two ends of the inner wall of the gripping groove 401. Through the cooperation between the gripping groove 401 and the lifting rod 402, it is convenient for the user to reach into the gripping groove 401 to grip the lifting rod 402, thereby lifting the frame 4.

[0031] In this embodiment, a first sealing gasket 102 corresponding to the frame 4 is glued on the limit frame 101, and a second sealing gasket 204 corresponding to the frame 4 is glued on the bottom of the lower pressure frame 203. The frame 4 is clamped between the first sealing gasket 102 and the second sealing gasket 204. The cooperation between the first sealing gasket 102 and the second sealing gasket 204 improves the sealing between the limit frame 101 and the lower pressure frame 203 and the frame 4, and at the same time, the frame 4 is clamped and stabilized to reduce the probability of shaking and air leakage.

[0032] The circulating spray assembly of this embodiment includes a liquid storage tank 6 and a water pump 7 installed on the side of the treatment tank 1. The water pump 7 is located above the liquid storage tank 6. The upper side of the liquid storage tank 6 is connected to a liquid filling port 601. The input end of the water pump 7 is connected to a liquid extraction pipe group corresponding to the treatment tank 1 and the liquid storage tank 6. The output end of the water pump 7 is connected to a spray pipe group corresponding to the treatment tank 1. A dust cover is detachably connected to the upper part of the liquid filling port 601, so that the treatment liquid can be easily added to the liquid storage tank 6 through the liquid filling port 601.

[0033] The liquid extraction pipe group of this embodiment includes a liquid extraction pipe 8 connected to the input end of the water pump 7, the lower part of the liquid extraction pipe 8 is connected to a connecting pipe 801, the connecting pipe 801 is provided with a second valve 802 and a third valve 804, the liquid extraction pipe 8 is located between the second valve 802 and the third valve 804, and the two ends of the liquid extraction pipe 8 are respectively connected to an insertion pipe 803 connected to the liquid storage tank 6 and an L-shaped return pipe 805 connected to the treatment tank 1, the lower part of the insertion pipe 803 penetrates into the liquid storage tank 6, and the lower end of the insertion pipe 803 is located at the bottom of the inner cavity of the liquid storage tank 6. The lower part of the L-shaped return pipe 805 is installed on the side of the processing box 1, and the L-shaped return pipe 805 is connected to the bottom of the inner cavity of the processing box 1. The second valve 802 is located between the extension pipe 803 and the liquid extraction pipe 8, and the third valve 804 is located between the L-shaped return pipe 805 and the liquid extraction pipe 8. When the second valve 802 is opened and the third valve 804 is closed, the water pump 7 works to extract the treatment liquid in the liquid storage tank 6; conversely, when the second valve 802 is closed and the third valve 804 is opened, the water pump 7 works to extract the treatment liquid at the bottom of the inner cavity of the processing box 1.

[0034] The spray and discharge pipe group of this embodiment includes a liquid supply pipe 9 connected to the output end of the water pump 7, the upper part of the liquid supply pipe 9 is connected to an integrated delivery and discharge pipe 901, the integrated delivery and discharge pipe 901 is provided with a fourth valve 902 and a fifth valve 903, the liquid supply pipe 9 is located between the fourth valve 902 and the fifth valve 903, one end of the integrated delivery and discharge pipe 901 is connected to an L-shaped extension pipe 10 located in the processing box 1, the L-shaped extension pipe 10 is located below the limit frame 101, the lower part of the L-shaped extension pipe 10 is connected to a horizontal pipe 1001, the lower part of the horizontal pipe 1001 is connected to a plurality of spray heads 1002, the fourth valve 902 is located between the fourth valve 902 and the fifth valve 903, and the spray and discharge pipe 901 is connected to a plurality of spray heads 1002. Between the liquid supply pipe 9 and the L-shaped extension pipe 10, when the fourth valve 902 is opened and the fifth valve 903 is closed, the water pump 7 works to deliver the treatment liquid in the treatment box 1 or the liquid storage tank 6 into the horizontal pipe 1001 through the L-shaped extension pipe 10, and then sprays it out from the nozzle 1002, so that the treatment liquid can fully contact and react with the exhaust gas; when the fourth valve 902 is closed and the fifth valve 903 is opened, the water pump 7 works to discharge the waste treatment liquid in the treatment box 1 through the integrated delivery and discharge pipe 901, and the end of the integrated delivery and discharge pipe 901 away from the L-shaped extension pipe 10 can be externally connected to a recovery and storage device.

[0035] 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 tail gas purification device, characterized in that: include: A treatment box (1), a box cover (2) located on the upper side of the treatment box (1), a tail gas connection pipe (5) connected to the lower part of one side of the treatment box (1), a first valve (501) provided on the tail gas connection pipe (5), a circulating liquid spraying assembly provided on the treatment box (1), and an exhaust port (202) connected to the upper side of the box cover (2); A plurality of protrusions (201) are provided on both sides of the box cover (2), and an electric push rod (3) corresponding to the protrusions (201) is installed on the side of the processing box (1); A limiting frame (101) is provided on the circumferential side of the inner wall of the processing box (1); a pressing frame (203) is provided on the lower side of the box cover (2) and is clamped in the box cover (2); a frame (4) is placed between the limiting frame (101) and the pressing frame (203); and a drying layer (403) and an adsorption layer (404) are installed on the circumferential side of the inner wall of the frame (4).

2. The exhaust gas purification device according to claim 1, characterized in that: Two gripping grooves (401) are provided on the upper side of the frame (4), and a lifting rod (402) is provided between the two ends of the inner wall of the gripping groove (401).

3. The exhaust gas purification device according to claim 1, characterized in that: A first sealing gasket (102) corresponding to the frame (4) is glued onto the upper side of the limiting frame (101), and a second sealing gasket (204) corresponding to the frame (4) is glued onto the lower side of the pressing frame (203).

4. The exhaust gas purification device according to claim 1, characterized in that: The circulating liquid spraying assembly comprises a liquid storage tank (6) and a water pump (7) mounted on the side of the processing tank (1); the upper side of the liquid storage tank (6) is connected to a liquid filling port (601); the input end of the water pump (7) is connected to a liquid extraction pipe group corresponding to the processing tank (1) and the liquid storage tank (6); and the output end of the water pump (7) is connected to a spraying and discharging pipe group corresponding to the processing tank (1).

5. The exhaust gas purification device according to claim 4, characterized in that: The liquid extraction pipe group comprises a liquid extraction pipe (8) connected to the input end of the water pump (7); the lower part of the liquid extraction pipe (8) is connected to a connecting pipe (801); the connecting pipe (801) is provided with a second valve (802) and a third valve (804); and the two ends of the liquid extraction pipe (8) are respectively connected to an insertion pipe (803) connected to the liquid storage tank (6) and an L-shaped return pipe (805) connected to the processing tank (1).

6. The exhaust gas purification device according to claim 5, characterized in that: The spray and discharge pipe group comprises a liquid supply pipe (9) connected to the output end of the water pump (7); the upper part of the liquid supply pipe (9) is connected to an integrated supply and discharge pipe (901); the integrated supply and discharge pipe (901) is provided with a fourth valve (902) and a fifth valve (903); one end of the integrated supply and discharge pipe (901) is connected to an L-shaped extension pipe (10) located in the treatment box (1); the lower part of the L-shaped extension pipe (10) is connected to a horizontal pipe (1001); and the lower part of the horizontal pipe (1001) is connected to a plurality of spray heads (1002).

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