Solid waste treatment cracking gasification device with waste gas purification mechanism

Abstract

The utility model relates to the technical field of solid waste treatment, and discloses a solid waste treatment cracking gasification device with a waste gas purification mechanism, which comprises a waste gas treatment component arranged in front of a solid waste cracking tank, and the waste gas treatment component is provided with a waste gas filter box, an exhaust valve pipe and a chemical waste gas purification cabinet. The waste gas filter box is arranged in front of the solid waste cracking tank, the exhaust valve pipe is installed at the upper position of the front end of the solid waste cracking tank, an exhaust fan is installed at the end, away from the waste gas filter box, of the exhaust valve pipe, and an air conveying pipe on the lower portion of the exhaust fan is connected with an air inlet in the rear end of the waste gas filter box; and through the waste gas treatment assembly, generated waste gas can be guided into the waste gas filtering box, the exhausted waste gas can be conveniently filtered and purified for treatment, the waste gas is not directly exhausted into air, the waste gas is prevented from polluting the environment, it is avoided that more waste residues block ventilation at the position of a filtering net cylinder, and dust in the waste gas is conveniently collected.

Description

Technical Field

[0001] This utility model relates to the field of solid waste treatment technology, specifically to a solid waste treatment pyrolysis gasification device with a waste gas purification mechanism. Background Technology

[0002] Solid waste treatment, also known as solid waste treatment, generally refers to the process of transforming solid waste into a form suitable for transportation, storage, utilization, or disposal using physical, chemical, biological, physicochemical, and biochemical methods. The goals of solid waste treatment are harmlessness, volume reduction, and resource recovery.

[0003] A search revealed a Chinese patent for a high-efficiency and environmentally friendly solid waste treatment pyrolysis and gasification device, publication number CN214881281U. The device includes a housing, with a feed hopper connected to the inner top wall of the housing, and baffles movably installed on the left and right sides of the feed hopper on the inner top wall of the housing.

[0004] The above-mentioned device adjusts the amount of material fed by adjusting the closing state of the two baffles. At the same time, the threaded rod drives the front crushing roller to rotate, and the front crushing roller drives the rear crushing roller to rotate, thereby crushing the solid waste and improving the gasification efficiency. However, after the solid waste is gasified, there is a lack of measures to purify the exhaust gas. The gas contains a small amount of harmful dust, and direct discharge can easily pollute the environment and affect human health, resulting in poor performance. Utility Model Content

[0005] The purpose of this invention is to provide a solid waste treatment pyrolysis gasification device with a waste gas purification mechanism, which can effectively solve the problems in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solutions:

[0007] A solid waste treatment pyrolysis gasification device with a waste gas purification mechanism includes a waste gas treatment component located in front of a solid waste pyrolysis tank. The waste gas treatment component includes a waste gas filter box, an exhaust valve pipe, and a chemical waste gas purification cabinet. The waste gas filter box is located in front of the solid waste pyrolysis tank, and the exhaust valve pipe is installed at the upper front end of the solid waste pyrolysis tank.

[0008] An exhaust fan is installed at the end of the exhaust valve pipe furthest from the exhaust gas filter box. The lower air supply pipe of the exhaust fan is connected to the rear air inlet of the exhaust gas filter box. Inside the exhaust gas filter box, two filter cylinders are rotatably mounted via a mounting frame and a rotating shaft. The front end of the exhaust gas filter box is connected to a chemical waste gas purification cabinet via a transmission pipe. A cleaning motor is installed on one side of the exhaust gas filter box. The drive shaft of the cleaning motor is connected to the rotating shaft of the two filter cylinders via a transmission wheel set. The lower part of the exhaust gas filter box is provided with two collection troughs that are adapted to the filter cylinders. A sludge suction pipe is fixedly connected to the bottom of the collection trough.

[0009] Preferably, a water supply pipe is installed at the upper rear end of the mounting frame via a fixing block. One side of the water supply pipe extends through the top of the exhaust gas filter box, and a water supply valve is provided at the end of the water supply pipe extending into the exhaust gas filter box.

[0010] Preferably, the two filter cylinders are arranged at equal intervals inside the solid waste pyrolysis tank, and a support block is fixedly installed at the upper position inside the collection tank. A bolt mounting rod is movably installed through the upper and lower ends of the support block, and a cleaning scraper is engaged at the top of the bolt mounting rod through an installation head.

[0011] Preferably, the top of the cleaning scraper is fitted with the outer ring of the filter screen cylinder, and a retaining spring is provided around the outer ring of the bolt mounting rod, with the upper and lower ends of the retaining spring abutting against the upper and lower opposing surfaces of the mounting head and the support block, respectively.

[0012] Preferably, the water supply pipe is L-shaped, and several spray holes are provided on the outer ring of the water supply pipe above the filter screen cylinder.

[0013] Preferably, the exhaust valve pipe is a rigid pipe, and a pressure valve is provided at the connection between the exhaust valve pipe and the solid waste pyrolysis tank.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] This utility model, by setting up a waste gas treatment component in conjunction with a solid waste pyrolysis tank, guides the generated waste gas to a waste gas filter box through the cooperation of an exhaust valve pipe and an exhaust fan during the pyrolysis of solid waste in the solid waste pyrolysis tank. Then, through the cooperation of a filter screen and a chemical waste gas purification cabinet, the discharged waste gas is easily filtered and purified, and is not directly discharged into the air, thus preventing waste gas from polluting the environment.

[0016] The water supply pipe, water supply valve, cleaning motor, collection tank, and sludge suction pipe work together to facilitate the cleaning of impurities at the filter screen, prevent excessive waste residue from clogging the filter screen, and facilitate the collection of dust in the exhaust gas for subsequent separate treatment. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of a solid waste treatment pyrolysis gasification device with a waste gas purification mechanism in an embodiment of the present invention.

[0018] Figure 2 This is a cross-sectional view of the internal structure of the exhaust gas filter box in an embodiment of this utility model;

[0019] Figure 3 As an embodiment of this utility model Figure 2 Enlarged view of area A;

[0020] Figure 4 This is a schematic diagram of the installation frame and filter cylinder in an embodiment of this utility model.

[0021] In the diagram: 1. Solid waste pyrolysis tank; 2. Waste gas treatment assembly; 3. Waste gas filter box; 4. Mounting frame; 5. Filter screen cylinder; 6. Exhaust valve pipe; 7. Exhaust fan; 8. Cleaning motor; 9. Chemical waste gas purification cabinet; 10. Water supply pipe; 11. Water supply valve; 12. Bolt mounting rod; 13. Cleaning scraper; 14. Collection tank; 15. Sewage suction pipe. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Example 1

[0024] Combination Figure 1-Figure 4 A solid waste treatment pyrolysis gasification device with a waste gas purification mechanism includes a waste gas treatment component 2 located in front of a solid waste pyrolysis tank 1. The waste gas treatment component 2 has a waste gas filter box 3, an exhaust valve pipe 6, and a chemical waste gas purification cabinet 9. The waste gas filter box 3 is located in front of the solid waste pyrolysis tank 1, and the exhaust valve pipe 6 is installed at the upper front end of the solid waste pyrolysis tank 1.

[0025] See Figure 2 and Figure 4 Furthermore, it is found that an exhaust fan 7 is installed at the end of the exhaust valve pipe 6 away from the exhaust gas filter box 3. The lower air supply pipe of the exhaust fan 7 is connected to the rear air inlet of the exhaust gas filter box 3. Two filter cylinders 5 are rotatably installed inside the exhaust gas filter box 3 through the mounting frame 4 and the rotating shaft. The front end of the exhaust gas filter box 3 is connected to the chemical waste gas purification cabinet 9 through the transmission pipe. A cleaning motor 8 is installed on one side of the exhaust gas filter box 3. The drive shaft of the cleaning motor 8 is connected to the rotating shaft of the two filter cylinders 5 through the transmission wheel set. The exhaust valve pipe 6 is a rigid pipe, and a pressure valve is installed at the connection between the exhaust valve pipe 6 and the solid waste pyrolysis tank 1.

[0026] Specifically, solid waste can be heated and pyrolyzed through the solid waste pyrolysis tank 1. When solid waste is being treated in the solid waste pyrolysis tank 1, the exhaust fan 7 can be started to transport the exhaust gas generated by the high-temperature pyrolysis in the solid waste pyrolysis tank 1 to the exhaust gas filter box 3. The dust and impurities in the exhaust gas are blocked and filtered through the filter screen 5 of the exhaust gas filter box 3. After filtration, the gas enters the chemical exhaust gas purification cabinet 9, where the exhaust gas is purified before being discharged into the air. Instead of being directly discharged into the air, the exhaust gas is not discharged into the air to prevent most of the harmful substances contained in the exhaust gas from polluting the environment.

[0027] Example 2

[0028] See Figure 2 and Figure 3 Furthermore, based on Embodiment 1, the lower part of the exhaust gas filter box 3 is provided with two collection troughs 14 that are compatible with the filter screen cylinder 5. The bottom end of the collection trough 14 is fixedly connected to a sludge suction pipe 15. The upper rear end of the mounting frame 4 is provided with a water supply pipe 10 through a fixing block. One side of the water supply pipe 10 extends through the top of the exhaust gas filter box 3, and a water supply valve 11 is provided at the end of the water supply pipe 10 that extends into the exhaust gas filter box 3.

[0029] Two filter cylinders 5 are arranged at equal intervals inside the solid waste pyrolysis tank 1. A support block is fixedly installed at the upper position inside the collection tank 14. A bolt mounting rod 12 is movably installed through the upper and lower ends of the support block. The top of the bolt mounting rod 12 is connected to a cleaning scraper 13 through an installation head. The top of the cleaning scraper 13 is in contact with the outer ring of the filter cylinder 5. A retaining spring is set around the outer ring of the bolt mounting rod 12. The upper and lower ends of the retaining spring abut against the upper and lower opposite surfaces of the installation head and the support block, respectively. The water supply pipe 10 is set in an "L" shape. Several water spray holes are opened on the outer ring of the water supply pipe 10 above the filter cylinder 5.

[0030] Specifically, when the filter cylinder 5 needs to be cleaned, the cleaning motor 8 can be started as needed. The drive shaft of the cleaning motor 8 will rotate, causing the filter cylinder 5 to rotate inside the mounting frame 4. When the filter cylinder 5 rotates, the cleaning scraper 13 can contact the outer ring of the filter cylinder 5 to scrape off the dust adhering to it. At the same time, by connecting the external water supply pipe to the water supply pipe 10 and opening the water supply valve 11, the cleaning water can be delivered to the top of the filter cylinder 5 and sprayed out, thereby rinsing the filter cylinder 5. By scraping off the dust and rinsing, most of the impurities on the filter cylinder 5 can be cleaned off, and the cleaned impurities will fall into the collection tank 14 for collection. At this time, the external sewage pump can be connected to the sewage pipe 15 to extract the sewage for ventilation or treatment.

[0031] In actual operation, solid waste can be heated and pyrolyzed through the solid waste pyrolysis tank 1. When solid waste is being treated in the solid waste pyrolysis tank 1, the exhaust fan 7 can be started to transport the exhaust gas generated by the high-temperature pyrolysis in the solid waste pyrolysis tank 1 to the exhaust gas filter box 3. The dust and impurities in the exhaust gas are blocked and filtered through the filter screen 5 of the exhaust gas filter box 3. After filtration, the gas enters the chemical exhaust gas purification cabinet 9. The exhaust gas is purified through the chemical exhaust gas purification cabinet 9 and then discharged into the air. It is not directly discharged into the air to prevent most of the harmful substances contained in the exhaust gas from polluting the environment.

[0032] When the filter cylinder 5 needs to be cleaned, the cleaning motor 8 can be started as needed. The drive shaft of the cleaning motor 8 will rotate, causing the filter cylinder 5 to rotate inside the mounting frame 4. When the filter cylinder 5 rotates, the cleaning scraper 13 can contact the outer ring of the filter cylinder 5 to scrape off the dust adhering to it. At the same time, by connecting the external water supply pipe to the water supply pipe 10 and opening the water supply valve 11, the cleaning water can be delivered to the top of the filter cylinder 5 and sprayed out to rinse the filter cylinder 5. By scraping off the dust and rinsing, most of the impurities on the filter cylinder 5 can be cleaned off, and the cleaned impurities will fall into the collection tank 14 for collection. At this time, the external sewage pump can be connected to the sewage pipe 15 to extract the sewage for ventilation or treatment.

[0033] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A solid waste treatment pyrolysis gasification device with a waste gas purification mechanism, characterized in that: It includes a waste gas treatment assembly (2) set in front of the solid waste pyrolysis tank (1). The waste gas treatment assembly (2) has a waste gas filter box (3), an exhaust valve pipe (6), and a chemical waste gas purification cabinet (9). The waste gas filter box (3) is set in front of the solid waste pyrolysis tank (1), and the exhaust valve pipe (6) is installed at the upper front end of the solid waste pyrolysis tank (1). An exhaust fan (7) is installed at the end of the exhaust valve pipe (6) away from the exhaust gas filter box (3). The lower air supply pipe of the exhaust fan (7) is connected to the rear air inlet of the exhaust gas filter box (3). Two filter cylinders (5) are rotatably installed inside the exhaust gas filter box (3) through the mounting frame (4) and the rotating shaft. The front end of the exhaust gas filter box (3) is connected to the chemical exhaust gas purification cabinet (9) through the transmission pipe. A cleaning motor (8) is installed on one side of the exhaust gas filter box (3). The drive shaft of the cleaning motor (8) is connected to the rotating shaft of the two filter cylinders (5) through the transmission wheel set. Two collection tanks (14) that are adapted to the filter cylinders (5) are provided at the bottom of the exhaust gas filter box (3). A sludge suction pipe (15) is fixedly connected to the bottom end of the collection tank (14).

2. A solid waste treatment pyrolysis gasification device with a waste gas purification mechanism according to claim 1, characterized in that: A water supply pipe (10) is installed at the upper rear end of the mounting frame (4) via a fixing block. One side of the water supply pipe (10) extends through the top of the exhaust gas filter box (3), and a water supply valve (11) is provided at the end of the water supply pipe (10) that extends into the exhaust gas filter box (3).

3. A solid waste treatment pyrolysis gasification device with a waste gas purification mechanism according to claim 1, characterized in that: The two filter cylinders (5) are arranged at equal intervals inside the solid waste pyrolysis tank (1). A support block is fixedly installed at the upper position inside the collection tank (14). A bolt mounting rod (12) is movably installed through the upper and lower ends of the support block, and a cleaning scraper (13) is snapped onto the top of the bolt mounting rod (12) through the mounting head.

4. A solid waste treatment pyrolysis gasification device with a waste gas purification mechanism according to claim 3, characterized in that: The top of the cleaning scraper (13) is attached to the outer ring of the filter screen cylinder (5), and a clamping spring is provided around the outer ring of the bolt mounting rod (12), with the upper and lower ends of the clamping spring abutting against the upper and lower opposing surfaces of the mounting head and the support block, respectively.

5. A solid waste treatment pyrolysis gasification device with a waste gas purification mechanism according to claim 2, characterized in that: The water supply pipe (10) is L-shaped, and several spray holes are provided on the outer ring of the water supply pipe (10) above the filter screen cylinder (5).

6. A solid waste treatment pyrolysis gasification device with a waste gas purification mechanism according to claim 1, characterized in that: The exhaust valve pipe (6) is a rigid pipe, and a pressure valve is provided at the connection between the exhaust valve pipe (6) and the solid waste pyrolysis tank (1).

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