Pyrolysis recovery device with waste gas treatment function

Abstract

The utility model relates to the technical field of environment-friendly pyrolyzing furnaces, and discloses a pyrolyzing recovery device with a waste gas treatment function, which comprises a pyrolyzing furnace, a water tank is fixedly mounted on the outer wall of the pyrolyzing furnace, a gas pipe is fixedly mounted at the top of the pyrolyzing furnace, and the gas pipe is fixedly mounted on the outer wall of the pyrolyzing furnace. According to the pyrolysis recovery device with the waste gas treatment function, waste gas can be secondarily filtered through cooperation of a thick-core filter screen, an activated carbon plate and a composite filter screen in a bent pipe and water in a water tank, and when the activated carbon plate needs to be replaced, a threaded rod is rotated through a handle to drive the bent pipe to move downwards to be separated from a gas pipe; meanwhile, the thick-core filter screen, the activated carbon plate and the composite filter screen can be sequentially moved out of the bent pipe one by one in cooperation with supporting of the ejector rod and the cross, the thick-core filter screen, the activated carbon plate and the composite filter screen can be replaced at the moment, the activated carbon plate can be kept in the optimal filtering state to filter waste gas, the waste gas filtering effect can be improved, and use is very convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of environmental protection pyrolysis furnaces, in particular to a pyrolysis recovery device with waste gas treatment function. Background Technique

[0002] Most of the waste materials in the chemical and metallurgical industries contain arsenic, and arsenic can be pyrolyzed at high temperature by a pyrolysis furnace, and the pyrolyzed arsenic slag waste materials can be recycled.

[0003] According to a disclosed energy-saving pyrolysis furnace with waste gas and waste material recovery (publication number: CN212987224U), in the above application, a purification box is arranged outside the waste gas pipe, and by installing a composite filter screen, an activated carbon layer and a coarse core filter screen in the purification box in cooperation, the waste gas is purified for the first time, and then secondary purification is carried out by using water body, so as to improve the degree of waste gas purification.

[0004] Although the device can purify the waste gas by setting up the purification box, it is not convenient to quickly replace the activated carbon layer. After long-term use, the activated carbon layer will be in a saturated state. The saturated activated carbon layer not only cannot filter the waste gas, but also affects the internal circulation of the waste gas in the waste gas pipe, and further affects the filtration of the waste gas. Content of the Utility Model

[0005] The purpose of the utility model is to provide a pyrolysis recovery device with waste gas treatment function to solve the problems put forward in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A pyrolysis recovery device with waste gas treatment function, including a pyrolysis furnace, a water tank is fixedly installed on the outer wall of the pyrolysis furnace, a gas pipe is fixedly installed on the top of the pyrolysis furnace, a filtering mechanism for treating waste gas is arranged inside the water tank. By setting the filtering mechanism, not only can the waste gas be filtered, but also the activated carbon plate can be replaced conveniently. A cleaning mechanism for cleaning the gas pipe is arranged inside the gas pipe. By setting the cleaning mechanism, the floating ash attached to the inner wall of the gas pipe after long-term exhaust can be scraped off while replacing the activated carbon plate. The filtering mechanism includes:

[0007] A bent pipe, the bent pipe is slidably connected to the inner wall of the water tank, and the bent pipe penetrates through the water tank. One end of the bent pipe is fixedly installed with a rubber pad, the other end of the bent pipe is rotatably connected with a threaded rod, the end of the threaded rod far away from the bent pipe penetrates through the water tank and is fixedly installed with a handle, and the threaded rod is threadedly connected to the penetration of the water tank. By setting the threaded rod, the bent pipe can be driven to move up and down;

[0008] A vertical rod, one end of the vertical rod is fixedly installed on the inner wall of the water tank, the other end of the vertical rod penetrates through the elbow pipe and is fixedly installed with a cross, and the penetration part of the vertical rod and the elbow pipe is slidably connected. By arranging the vertical rod and the cross, the composite filter screen, the activated carbon plate and the coarse core filter screen can be supported;

[0009] A composite filter screen, the composite filter screen is placed on the top of the cross, an activated carbon plate is placed on the top of the composite filter screen, and a coarse core filter screen is placed on the top of the activated carbon plate.

[0010] Preferably, the cleaning mechanism includes a rotating cylinder, the rotating cylinder is rotatably connected to the inner wall of the air pipe, and a spiral groove is formed on the rotating cylinder.

[0011] Preferably, a connecting rod is fixedly installed on the inner wall of the rotating cylinder, and a scraping plate is fixedly installed at the end of the connecting rod away from the rotating cylinder. The scraping plate is attached to the inner wall of the air pipe. By arranging the scraping plate, the floating ash on the inner wall of the air pipe can be scraped off.

[0012] Preferably, a pressing rod is fixedly installed on the top of the elbow pipe, and the end of the pressing rod away from the elbow pipe penetrates through the air pipe and is attached to the inner wall of the spiral groove. By arranging the pressing and the spiral groove, the rotating cylinder can be driven to rotate.

[0013] Preferably, the penetration part of the pressing rod and the air pipe is slidably connected.

[0014] Preferably, the air pipe and the elbow pipe are in a concentric state, the elbow pipe and the vertical rod are in a concentric state, and the side walls of the coarse core filter screen, the activated carbon plate and the composite filter screen are all attached to the inner wall of the elbow pipe.

[0015] Compared with the prior art, the present invention provides a pyrolysis recovery device with an exhaust gas treatment function, which has the following beneficial effects:

[0016] 1. For the pyrolysis recovery device with an exhaust gas treatment function, the coarse core filter screen, the activated carbon plate and the composite filter screen inside the elbow pipe are used in combination with the water inside the water tank to perform secondary filtration on the exhaust gas. When the activated carbon plate needs to be replaced, the threaded rod is rotated through the handle to drive the elbow pipe to move downward and separate it from the air pipe. At the same time, with the support of the ejector rod and the cross, the coarse core filter screen, the activated carbon plate and the composite filter screen can be sequentially removed from the elbow pipe one by one. At this time, they can be replaced, so that the activated carbon plate can maintain the best filtration state to filter the exhaust gas, which can not only improve the exhaust gas filtration effect, but also be very convenient to use.

[0017] 2. For the pyrolysis recovery device with waste gas treatment function, when the activated carbon plate becomes saturated after the trachea exhausts gas for a long time, the elbow pipe is lowered by the threaded rod. At the same time, with the cooperation of the extrusion rod, spiral groove, rotating cylinder, and connecting rod, the scraping plate can be driven to fit and rotate on the inner wall of the trachea. At this time, the scraping plate can scrape off the floating ash adhering to the inner wall of the trachea after the trachea exhausts gas for a long time, avoiding the adhesion of waste gas dust on the inner wall of the trachea. Thus, it can prevent the floating dust from being blown off during the exhaust process of the trachea, resulting in the blockage of the coarse core filter screen and improving the service life of the composite filter screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0019] Figure 2 is a schematic diagram of the separated state structure of the elbow pipe and the trachea of the present utility model;

[0020] Figure 3 is a schematic sectional view of the water tank of the present utility model;

[0021] Figure 4 is a schematic sectional view of the elbow pipe of the present utility model;

[0022] Figure 5 is a schematic diagram of the overall structure of the rotating cylinder of the present utility model;

[0023] Figure 6 For the present utility model Figure 2 is an enlarged schematic view of part A;

[0024] Figure 7 For the present utility model Figure 3 is an enlarged schematic view of part B.

[0025] In the figure: 1. Pyrolysis furnace; 2. Water tank; 3. Trachea; 4. Filter mechanism; 41. Elbow pipe; 42. Vertical rod; 43. Coarse core filter screen; 44. Activated carbon plate; 45. Composite filter screen; 46. Rubber pad; 47. Threaded rod; 48. Handle; 49. Cross; 5. Cleaning mechanism; 51. Rotating cylinder; 52. Spiral groove; 53. Connecting rod; 54. Scraping plate; 55. Extrusion rod. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0026] As Figures 1-7As shown in the figure, the utility model provides a technical solution: a pyrolysis recovery device with waste gas treatment function, including a pyrolysis furnace 1. A water tank 2 is fixedly installed on the outer wall of the pyrolysis furnace 1. A gas pipe 3 is fixedly installed on the top of the pyrolysis furnace 1. During the operation of the pyrolysis furnace 1, the waste gas can be introduced into the interior of the elbow pipe 41 through the gas pipe 3. At this time, the waste gas can be filtered by the coarse core filter screen 43, activated carbon plate 44, and composite filter screen 45 inside the elbow pipe 41, so that the filtered waste gas can be discharged into the interior of the water tank 2. At this time, the water inside the water tank 2 can filter the waste gas discharged from the elbow pipe 41 again. A filtering mechanism 4 for treating waste gas is arranged inside the water tank 2. By setting the filtering mechanism 4, not only can the waste gas be filtered, but also the activated carbon plate 44 can be conveniently replaced. A cleaning mechanism 5 for cleaning the gas pipe 3 is arranged inside the gas pipe 3. By setting the cleaning mechanism 5, the floating ash attached to the inner wall of the gas pipe 3 after long-term exhaust can be scraped off while replacing the activated carbon plate 44, avoiding the floating dust being blown off during the exhaust process of the gas pipe 3 and causing the composite filter screen 45 to be blocked, and improving the service life of the composite filter screen 45.

[0027] The above-mentioned filtering mechanism 4 includes an elbow pipe 41, a vertical rod 42, a coarse core filter screen 43, an activated carbon plate 44, a composite filter screen 45, a rubber pad 46, a threaded rod 47, a handle 48, and a cross 49. The elbow pipe 41 is slidably connected to the inner wall of the water tank 2 and penetrates through the water tank 2. The gas pipe 3 and the elbow pipe 41 are concentric. A rubber pad 46 is fixedly installed at one end of the elbow pipe 41. The rubber pad 46 can be used to improve the sealing performance between the elbow pipe 41 and the gas pipe 3. The other end of the elbow pipe 41 is rotatably connected to a threaded rod 47. The end of the threaded rod 47 away from the elbow pipe 41 penetrates through the water tank 2 and is fixedly installed with a handle 48, and the threaded rod 47 is threadedly connected to the penetration part of the water tank 2. By rotating the threaded rod 47 through the handle 48, the elbow pipe 41 can be driven to move up and down inside the water tank 2. One end of the vertical rod 42 is fixedly installed on the inner wall of the water tank 2, and the other end of the vertical rod 42 penetrates through the elbow pipe 41 and is fixedly installed with a cross 49. The penetration part of the vertical rod 42 and the elbow pipe 41 is slidably connected, and the elbow pipe 41 and the vertical rod 42 are concentric. The composite filter screen 45 is placed on the top of the cross 49, the activated carbon plate 44 is placed on the top of the composite filter screen 45, and the coarse core filter screen 43 is placed on the top of the activated carbon plate 44. When the elbow pipe 41 gradually moves downward, at this time, under the support of the vertical rod 42 and the cross 49, the composite filter screen 45, the activated carbon plate 44, and the coarse core filter screen 43 can be successively moved out of the elbow pipe 41 one by one, so that the composite filter screen 45, the activated carbon plate 44, and the coarse core filter screen 43 can be taken out of the elbow pipe 41, which is convenient for replacement.

[0028] The above cleaning mechanism 5 includes a rotating cylinder 51, a spiral groove 52, a connecting rod 53, a scraping plate 54, and an extrusion rod 55; the rotating cylinder 51 is rotatably connected to the inner wall of the air pipe 3, a spiral groove 52 is formed on the rotating cylinder 51, a connecting rod 53 is fixedly installed on the inner wall of the rotating cylinder 51, one end of the connecting rod 53 away from the rotating cylinder 51 is fixedly installed with a scraping plate 54. When the rotating cylinder 51 rotates, the scraping plate 54 can be driven to rotate synchronously while fitting on the inner wall of the air pipe 3 by the cooperation of the connecting rod 53. When the scraping plate 54 fits on the inner wall of the air pipe 3, the floating ash on the inner wall of the air pipe 3 can be scraped off by the scraping plate 54 at this time, avoiding the attachment of waste gas dust on the inner wall of the air pipe 3, so that the floating dust can be prevented from being blown off during the exhaust process of the air pipe 3, resulting in the blockage of the coarse core filter 43. An extrusion rod 55 is fixedly installed at the top of the elbow 41, and one end of the extrusion rod 55 away from the elbow 41 penetrates through the air pipe 3 and fits on the inner wall of the spiral groove 52. The penetration part of the extrusion rod 55 and the air pipe 3 is slidably connected. When the elbow 41 moves downward in the inner wall of the water tank 2, the extrusion rod 55 will be driven to move downward synchronously. At this time, the extrusion rod 55 will extrude the spiral groove 52, so that the rotating cylinder 51 can be driven to rotate on the inner wall of the air pipe 3.

[0029] Working principle: During the operation of the pyrolysis furnace 1, the waste gas can be introduced into the inside of the elbow 41 by the air pipe 3. At this time, the coarse core filter 43, the activated carbon plate 44, and the composite filter 45 inside the elbow 41 can filter the waste gas, so that the filtered waste gas can be discharged into the inside of the water tank 2. At this time, the water inside the water tank 2 can filter the waste gas discharged from the elbow 41 again. The waste gas can be filtered twice by the cooperation of the coarse core filter 43, the activated carbon plate 44, the composite filter 45 and the water inside the water tank 2, avoiding the waste gas flowing into the atmosphere and polluting the environment. When it is necessary to filter the activated carbon plate 44, the threaded rod 47 is rotated through the handle 48, so that the threaded rod 47 moves into the inside of the water tank 2. At the same time, the elbow 41 can be driven to slide downward on the inner wall of the water tank 2 through the threaded rod 47. When the elbow 41 slides downward, it can be separated from the air pipe 3. When the elbow 41 gradually moves downward, at this time, under the support of the vertical rod 42 and the cross 49, the coarse core filter 43, the activated carbon plate 44, and the composite filter 45 can be successively moved out of the elbow 41 one by one, so that the composite filter 45, the activated carbon plate 44, and the coarse core filter 43 can be taken out of the elbow 41. Then, the replaced composite filter 45, activated carbon plate 44, and coarse core filter 43 are successively placed on the cross 49, and then the threaded rod 47 is rotated through the handle 48 to drive the elbow 41 to move upward on the inner wall of the water tank 2 until the rubber pad 46 tightly adheres to the bottom of the air pipe 3. While the elbow 41 moves upward, the composite filter 45, the activated carbon plate 44, and the coarse core filter 43 will gradually enter the inside of the elbow 41, thus completing the replacement of the coarse core filter 43, the activated carbon plate 44, and the composite filter 45, so that the activated carbon plate 44 can maintain the best filtering state to filter the waste gas.

[0030] While the elbow pipe 41 moves downward along the inner wall of the water tank 2, it drives the extrusion rod 55 to move downward synchronously. At this time, the extrusion rod 55 squeezes the spiral groove 52, thereby driving the rotating cylinder 51 to rotate along the inner wall of the air pipe 3. While the rotating cylinder 51 rotates, it cooperates with the connecting rod 53 to drive the scraping plate 54 to rotate synchronously while fitting on the inner wall of the air pipe 3. At this time, the scraping plate 54 can scrape off the floating dust adhering to the inner wall of the air pipe 3 after long-term exhaust, avoiding the adhesion of waste gas dust on the inner wall of the air pipe 3, thus preventing the air pipe 3 from blowing down the floating dust during the exhaust process and causing blockage of the coarse core filter 43, and improving the service life of the coarse core filter 43.

[0031] The above has generally described the present invention in detail. However, based on the present invention, some modifications or improvements can be made, which are obvious to those of ordinary skill in the art. Therefore, modifications or improvements made without departing from the spirit of the present invention are within the protection scope of the present invention.

Claims

1. A pyrolysis recovery device with waste gas treatment function, comprising a pyrolysis furnace (1), characterized in that: A water tank (2) is fixedly mounted on the outer wall of the pyrolysis furnace (1), an air pipe (3) is fixedly mounted on the top of the pyrolysis furnace (1), a filtering mechanism (4) for treating waste gas is arranged inside the water tank (2), a cleaning mechanism (5) for cleaning the air pipe (3) is arranged inside the air pipe (3), and the filtering mechanism (4) comprises: A curved pipe (41), the curved pipe (41) is slidably connected to the inner wall of the water tank (2), and the curved pipe (41) penetrates the water tank (2), one end of the curved pipe (41) is fixedly mounted with a rubber pad (46), the other end of the curved pipe (41) is rotatably connected with a threaded rod (47), the end of the threaded rod (47) away from the curved pipe (41) penetrates the water tank (2) and is fixedly mounted with a handle (48), and the threaded rod (47) is threadedly connected to the penetration point of the water tank (2); A vertical rod (42), one end of the vertical rod (42) is fixedly mounted on the inner wall of the water tank (2), the other end of the vertical rod (42) penetrates the curved pipe (41) and is fixedly mounted with a cross (49), and the vertical rod (42) is slidably connected to the penetration point of the curved pipe (41); A composite filter screen (45) is placed on the top of the cross (49), an activated carbon plate (44) is placed on the top of the composite filter screen (45), and a coarse core filter screen (43) is placed on the top of the activated carbon plate (44).

2. A pyrolysis recovery device with waste gas treatment function according to claim 1, characterized in that: The cleaning mechanism (5) comprises a rotating drum (51), the rotating drum (51) is rotatably connected to the inner wall of the air pipe (3), and a spiral groove (52) is provided on the rotating drum (51).

3. A pyrolysis recovery device with waste gas treatment function according to claim 2, characterized in that: A connecting rod (53) is fixedly mounted on the inner wall of the rotating drum (51), and a scraper (54) is fixedly mounted on one end of the connecting rod (53) away from the rotating drum (51), wherein the scraper (54) is attached to the inner wall of the air pipe (3).

4. The pyrolysis recovery device with waste gas treatment function according to claim 1, characterized in that: A squeezing rod (55) is fixedly mounted on the top of the curved pipe (41), and one end of the squeezing rod (55) away from the curved pipe (41) passes through the air pipe (3) and fits against the inner wall of the spiral groove (52).

5. A pyrolysis recovery device with waste gas treatment function according to claim 4, characterized in that: The extrusion rod (55) is slidably connected to the penetration point of the air pipe (3).

6. The pyrolysis recovery device with waste gas treatment function according to claim 1, characterized in that: The air pipe (3) and the curved pipe (41) are in a concentric state, the curved pipe (41) and the vertical rod (42) are in a concentric state, and the side walls of the coarse core filter (43), the activated carbon plate (44), and the composite filter (45) are all in contact with the inner wall of the curved pipe (41).

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