Waste gas catalytic combustion device

Abstract

The utility model discloses a waste gas catalytic combustion device, which relates to the technical field of waste gas treatment and comprises a combustion box, a gas inlet pipe and a gas outlet pipe are respectively arranged on two sides of the combustion box, a filter screen plate is mounted in the gas inlet pipe, a mounting groove is formed in the gas outlet pipe, an activated carbon plate is arranged in the mounting groove, and a gas outlet pipe is arranged in the activated carbon plate. A guide groove is formed in the inner wall of the mounting groove, a sliding groove is formed in the top of the exhaust pipe, and the sliding groove communicates with the guide groove. By arranging the filter screen plate, waste gas can be filtered, some impurities in the waste gas are prevented from entering the combustion box to affect combustion sufficiency, the impurities attached to the filter screen plate can be scraped, and the situation that too many impurities are attached to the filter screen plate to affect the using effect is avoided; and harmful substances in waste gas after combustion can be absorbed, the cleanliness of exhausted gas is improved, the environment-friendly effect is improved, and the activated carbon plate can be conveniently replaced.

Description

Technical Field

[0001] The utility model relates to the technical field of waste gas treatment, in particular to a waste gas catalytic combustion device. Background Art

[0002] Waste gas emitted from industrial production often has harmful effects on the environment and human health. Purification measures should be taken before it is discharged into the atmosphere to make it meet the requirements of waste gas emission standards. This process is called waste gas purification. Commonly used waste gas purification methods include absorption, adsorption, condensation and combustion.

[0003] A waste gas catalytic combustion device with a publication number of CN213872733U is retrieved, comprising a catalytic combustion box, a combustion chamber and a catalytic chamber are sequentially arranged inside the catalytic combustion box from top to bottom, a catalyst carrier is arranged in the catalytic chamber, a heating box is arranged in the catalytic chamber near the bottom of the catalyst carrier, an opening is provided at the bottom of the catalytic chamber, and a gas connection pipe is fixedly installed in the opening, a furnace frame is fixedly installed at the top of the gas connection pipe, a solenoid valve is arranged in the gas connection pipe, a rectangular opening is provided on one side of the catalytic combustion box, and a gas collecting funnel is fixedly installed in the rectangular opening, one end of the gas collecting funnel is connected to the waste gas pipe, a thermocouple probe is fixedly installed on one side of the catalytic combustion box, and a gas outlet port is arranged at the top of the catalytic combustion box. The utility model has a simple and reasonable structure, a novel design, simple operation, and can improve the waste gas combustion efficiency, and has a high practical value.

[0004] In view of the above-mentioned related technologies, the inventor believes that the device does not filter the exhaust gas transported to the interior of the combustion box, causing some non-combustible impurities to enter the interior of the combustion box, affecting the combustion effect, and the gas after combustion is directly discharged through the exhaust pipe. Although most of the gas after combustion meets the emission standards, there are very few harmful substances that cannot be burned and purified. The direct discharge after combustion in the existing waste gas treatment methods is not conducive to environmental protection development. For this reason, we propose a waste gas catalytic combustion device. Utility Model Content

[0005] In view of the above problems existing in the existing exhaust gas catalytic combustion device, the present utility model is proposed.

[0006] Therefore, the purpose of the utility model is to provide a catalytic combustion device for exhaust gas, which solves the problem that the device does not filter the exhaust gas transported to the interior of the combustion box, resulting in some non-combustible impurities entering the interior of the combustion box, affecting the combustion effect, and the gas after combustion is directly discharged through the exhaust pipe. Although most of the gas after combustion meets the emission standards, there are very few harmful substances that cannot be burned and purified. The existing means of treating exhaust gas directly discharge after combustion is not conducive to environmental protection development.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A catalytic combustion device for exhaust gas comprises a combustion box, wherein an air intake pipe and an exhaust pipe are respectively arranged on both sides of the combustion box, a filter plate is installed inside the air intake pipe, a mounting groove is provided on the exhaust pipe, an activated carbon plate is arranged in the mounting groove, a guide groove is provided on the inner wall of the mounting groove, a slide groove is provided on the top of the exhaust pipe, the slide groove is communicated with the guide groove, a paddle plate is slidably connected in the slide groove, a telescopic rod is fixedly connected to an outer wall of one side of the paddle plate, the other end of the telescopic rod is fixedly connected to the inner wall of the slide groove, the other end of the paddle plate is fixedly connected to a connecting rod, and the connecting rod The other end of the rod passes through the guide groove and is fixedly connected to the limiting block. A spring is nested on the telescopic rod. The two ends of the spring are respectively fixedly connected to the outer wall of the paddle plate and the inner wall of the slide groove. A card block is installed on the activated carbon plate. By setting the filter plate, the input exhaust gas can be filtered to prevent some impurities in the exhaust gas from entering the combustion box and affecting the adequacy of combustion. By setting the activated carbon plate, harmful substances in the exhaust gas after combustion can be absorbed, thereby improving the cleanliness of the gas after combustion and improving environmental protection. The activated carbon plate can be easily replaced to avoid long-term use and poor adsorption effect.

[0009] Preferably, a fan is installed inside the air inlet pipe, and a scraper is installed on the rotating shaft of the fan. The fitting end of the scraper is fitted and connected to the outer wall of the filter plate. A discharge port is provided at the bottom of the air inlet pipe, which can scrape off impurities attached to the filter plate to prevent them from being attached to the filter plate all the time, causing blockage of the filter plate and affecting the use effect.

[0010] Preferably, a collecting box is installed on the bottom outer wall of the air inlet pipe, and the opening position of the collecting box corresponds to the unloading position of the unloading port, so that the impurities scraped off the unloading can be collected for convenient unified treatment.

[0011] Preferably, the contact surfaces of the limit block and the clamping block are both inclined structures, which can facilitate the insertion of the clamping block into the guide groove.

[0012] Preferably, a handle is installed on the top outer wall of the activated carbon board, and a rubber sleeve is embedded on the handle to facilitate taking out the activated carbon board.

[0013] Furthermore, a strip groove is provided on the inner wall of the slide groove, a fixing block is fixedly connected to the outer wall of the shift plate, and the shift plate is engaged with the strip groove through the fixing block, so that the shift plate can be limited and the stability of the shift plate during use is improved.

[0014] Preferably, a blower is installed on the outer wall of the combustion box, and the air outlet of the blower is connected to the interior of the combustion box, which can provide a combustion-supporting effect and improve the combustion effect of the combustion box.

[0015] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0016] 1. The utility model can filter the input exhaust gas by setting a filter plate to prevent some impurities in the exhaust gas from entering the combustion box and affecting the sufficiency of combustion. The exhaust gas will drive the fan to rotate during the transportation process, and the rotation of the fan will drive the scraper to rotate, so that the impurities attached to the filter plate can be scraped off to avoid excessive impurities attached to the filter plate and affect the use effect.

[0017] 2. The utility model can absorb harmful substances in the exhaust gas after combustion by setting an activated carbon plate, thereby improving the cleanliness of the gas after combustion and the environmental protection effect. The activated carbon plate can be easily replaced to avoid the deterioration of the adsorption effect due to long-term use. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0019] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0020] Figure 2 This is a schematic diagram of the cross-sectional structure of the air intake pipe of the utility model;

[0021] Figure 3 This is a schematic diagram of the cross-sectional structure of the exhaust pipe of the utility model;

[0022] Figure 4 It is a schematic diagram of the enlarged structure of point A of the utility model;

[0023] Figure 5 It is an enlarged structural diagram of B of the utility model;

[0024] Figure 6 This is a schematic diagram of the structure of the activated carbon plate of the utility model.

[0025] Description of reference numerals:

[0026] 1. Combustion box; 2. Inlet pipe; 3. Exhaust pipe; 4. Mounting slot; 5. Activated carbon plate; 6. Blower; 7. Filter plate; 8. Fan; 9. Scraper; 10. Collection box; 11. Feeding port; 12. Guide slot; 13. Slide slot; 14. Telescopic rod; 15. Paddle plate; 16. Connecting rod; 17. Limit block; 18. Spring; 19. Fixing block; 20. Strip groove; 21. Block; 22. Handle. DETAILED DESCRIPTION

[0027] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0028] The utility model embodiment discloses a waste gas catalytic combustion device.

[0029] The utility model provides Figure 1-6 The exhaust gas catalytic combustion device shown in the figure comprises a combustion box 1, an air intake pipe 2 and an exhaust pipe 3 are respectively arranged on both sides of the combustion box 1, a filter plate 7 is installed inside the air intake pipe 2, a mounting groove 4 is provided on the exhaust pipe 3, an activated carbon plate 5 is arranged in the mounting groove 4, a guide groove 12 is provided on the inner wall of the mounting groove 4, a slide groove 13 is provided on the top of the exhaust pipe 3, the slide groove 13 is communicated with the guide groove 12, a paddle plate 15 is slidably connected in the slide groove 13, a telescopic rod 14 is fixedly connected to the outer wall of one side of the paddle plate 15, the other end of the telescopic rod 14 is fixedly connected to the inner wall of the slide groove 13, the other end of the paddle plate 15 is fixedly connected to a connecting rod 16, the other end of the connecting rod 16 passes through the guide groove 12 and is fixedly connected to a limiting block 17, a spring 18 is nested on the telescopic rod 14, and the two ends of the spring 18 are respectively fixedly connected to the outer wall of the paddle plate 15 and the inner wall of the slide groove 13, and a card block 21 is installed on the activated carbon plate 5.

[0030] In order to clean the filter plate 7 conveniently and quickly, Figure 1-2 As shown, a fan 8 is installed inside the air inlet pipe 2, a scraper 9 is installed on the rotating shaft of the fan 8, the fitting end of the scraper 9 is fitted and connected to the outer wall of the filter plate 7, and a feed opening 11 is opened at the bottom of the air inlet pipe 2.

[0031] In order to facilitate the collection of scraped impurities, Figure 1-2 As shown, a collecting box 10 is installed on the bottom outer wall of the air inlet pipe 2 , and the opening position of the collecting box 10 corresponds to the unloading position of the unloading port 11 .

[0032] In order to facilitate the insertion of the card block 21 into the guide groove 12, as shown in FIG. Figure 1-6 As shown, the contact surfaces of the limiting block 17 and the clamping block 21 are both inclined structures.

[0033] In order to facilitate the removal of the activated carbon plate 5, Figure 1-6 As shown, a handle 22 is installed on the top outer wall of the activated carbon plate 5, and a rubber sleeve is embedded in the handle 22.

[0034] In order to improve the stability of the use of the dial plate 15, Figure 1-5 As shown, a strip groove 20 is formed on the inner wall of the slide groove 13 , a fixing block 19 is fixedly connected to the outer wall of the dial plate 15 , and the dial plate 15 is engaged with the strip groove 20 via the fixing block 19 .

[0035] In order to improve the completeness of combustion, Figure 1 As shown, a blower 6 is installed on the outer wall of the combustion box 1, and the air outlet of the blower 6 is connected to the interior of the combustion box 1.

[0036] When in use, the exhaust gas is transported to the combustion box 1 through the intake pipe 2. The filter plate 7 arranged in the intake pipe 2 can filter some impurities in the exhaust gas to prevent these impurities from entering the interior of the combustion box 1 and affecting the sufficiency of combustion. During the exhaust gas transportation process, the fan 8 will be driven to rotate, and the rotation of the fan 8 will drive the scraper 9 to rotate, so that the impurities attached to the filter plate 7 can be scraped off to avoid excessive impurities attached to the filter plate 7 and affect the use effect. The combustion box 1 will burn the exhaust gas entering the box body, and the blower 6 can provide a combustion-supporting effect. The gas after combustion is used The activated carbon plate 5 is arranged in the exhaust pipe 3 and is discharged to the outside. Since a very small number of harmful substances cannot be burned and purified, the activated carbon plate 5 arranged in the exhaust pipe 3 can adsorb these harmful substances. When the activated carbon plate 5 has been used for a long time and needs to be replaced, it is only necessary to move the dial plate 15 to drive the limit block 17 to move to one side so that the limit block 17 is out of contact with the card block 21. At this time, the activated carbon plate 5 lacks a limiting effect and can be directly taken out by the handle 22. Then, the replaced activated carbon plate 5 is inserted into the installation groove 4 so that the card block 21 is card-connected with the limit block 17.

[0037] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A catalytic combustion device for exhaust gas, comprising a combustion box (1), characterized in that: An air intake pipe (2) and an exhaust pipe (3) are respectively arranged on both sides of the combustion box (1); a filter plate (7) is installed inside the air intake pipe (2); a mounting groove (4) is provided on the exhaust pipe (3); an activated carbon plate (5) is arranged inside the mounting groove (4); a guide groove (12) is provided on the inner wall of the mounting groove (4); a slide groove (13) is provided on the top of the exhaust pipe (3); the slide groove (13) is connected to the guide groove (12); a paddle plate (15) is slidably connected inside the slide groove (13); one side of the paddle plate (15) A telescopic rod (14) is fixedly connected to the outer wall, the other end of the telescopic rod (14) is fixedly connected to the inner wall of the slide groove (13), the other end of the dial plate (15) is fixedly connected to a connecting rod (16), the other end of the connecting rod (16) penetrates into the guide groove (12) and is fixedly connected to a limiting block (17), a spring (18) is nested on the telescopic rod (14), the two ends of the spring (18) are respectively fixedly connected to the outer wall of the dial plate (15) and the inner wall of the slide groove (13), and a clamping block (21) is installed on the activated carbon plate (5).

2. The exhaust gas catalytic combustion device according to claim 1, characterized in that: A fan (8) is installed inside the air intake pipe (2), a scraper (9) is installed on the rotating shaft of the fan (8), the fitting end of the scraper (9) is fitted and connected to the outer wall of the filter plate (7), and a feed opening (11) is opened at the bottom of the air intake pipe (2).

3. The exhaust gas catalytic combustion device according to claim 1 or 2, characterized in that: A collecting box (10) is installed on the outer wall of the bottom of the air inlet pipe (2), and the opening position of the collecting box (10) corresponds to the unloading position of the unloading port (11).

4. The exhaust gas catalytic combustion device according to claim 1, characterized in that: The contact surfaces of the limit block (17) and the clamping block (21) are both inclined structures.

5. The exhaust gas catalytic combustion device according to claim 1, characterized in that: A handle (22) is installed on the top outer wall of the activated carbon plate (5), and a rubber sleeve is embedded in the handle (22).

6. The exhaust gas catalytic combustion device according to claim 1, characterized in that: A strip groove (20) is provided on the inner wall of the slide groove (13), a fixing block (19) is fixedly connected to the outer wall of the shift plate (15), and the shift plate (15) is engaged and connected with the strip groove (20) via the fixing block (19).

7. The exhaust gas catalytic combustion device according to claim 1, characterized in that: A blower (6) is installed on the outer wall of the combustion box (1), and the air outlet of the blower (6) is connected to the interior of the combustion box (1).

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