Fixed bed molecular sieve adsorption catalytic combustion waste gas treatment equipment

Abstract

The utility model discloses fixed bed molecular sieve adsorption catalytic combustion waste gas treatment equipment which comprises a spraying purification tower, the left lower side of the spraying purification tower is communicated with a water collecting pipe, the lower end of the water collecting pipe is communicated with a water collecting tank, and a dry type filter tank is installed on the right side of the spraying purification tower. An activated carbon adsorption bin is mounted on the right side of the dry type filter box, and a catalytic combustion furnace is mounted on the right side of the activated carbon adsorption bin; a first motor is installed on the lower right side of the water collecting tank, and the output end of the first motor is in key connection with a driving gear. According to the fixed bed molecular sieve adsorption catalytic combustion waste gas treatment equipment, spray water is filtered through the filter plates which are obliquely distributed, the filter surfaces of the filter plates can be adjusted in cooperation with rotation of the filter plates, meanwhile, the filter plates can be scraped and cleaned in cooperation with scraping of the scraping plates, it is guaranteed that the spray water is rapidly treated through the filter plates, and the treatment efficiency is improved. And impurities can be collected in the material collecting pipe, so that later cleaning is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of waste gas treatment, in particular to fixed-bed molecular sieve adsorption catalytic combustion waste gas treatment equipment. Background Art

[0002] Fixed bed molecular sieve adsorption catalytic combustion waste gas treatment equipment is an environmentally friendly equipment for treating waste gas. It combines the two technologies of molecular sieve adsorption and catalytic combustion, including a spray purification tower, a circulation box, a bottom plate, a catalytic combustion furnace, etc., to achieve the purification of waste gas. The publication number is CN216259808U and is named a fixed bed molecular sieve adsorption desorption catalytic combustion waste gas treatment equipment, including: a circulation box, a bottom plate and a catalytic combustion furnace. A spray purification tower body is installed on one side of the top of the bottom plate, an air inlet pipe is installed on one side of the outside of the spray purification tower body, a circulation box is installed on the top of the bottom plate at the bottom of the spray purification tower body, a mounting frame is installed on the top of the bottom plate, three sets of activated carbon adsorption bins are installed on the top of the mounting frame, and a catalytic combustion furnace is installed on the other side of the top of the bottom plate. The utility model installs a circulation box on the top of the bottom plate. Waste water containing impurities can enter the circulation box through a pipe, and flow into the clean water tank after being filtered by two sets of filter elements. Clean water can be extracted by powering on the water pump and circulated through the water pipe to the interior of the spray purification tower body for spraying, thereby realizing the recycling of water resources and improving the economic benefits of the device.

[0003] The above-mentioned prior art directly utilizes two sets of filter elements to process the spray water to realize its recycling. The impurities intercepted inside are not convenient to clean. After long-term use, the filter element needs to be disassembled for cleaning. Its convenience of use is low. Therefore, we propose a fixed bed molecular sieve adsorption catalytic combustion exhaust gas treatment equipment to solve the above-mentioned problems. Utility Model Content

[0004] The purpose of the utility model is to provide a fixed bed molecular sieve adsorption catalytic combustion waste gas treatment equipment to solve the problem raised by the above-mentioned background technology that the current market directly uses two sets of filter elements to treat the spray water to achieve its recycling, the impurities intercepted inside are not easy to clean, and after long-term use, the filter element needs to be disassembled for cleaning, and its convenience of use is low.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fixed-bed molecular sieve adsorption catalytic combustion waste gas treatment device, comprising a spray purification tower, the lower left side of the spray purification tower is connected to a water collecting pipe, the lower end of the water collecting pipe is connected to a water collecting box, a dry filter box is installed on the right side of the spray purification tower, an activated carbon adsorption bin is installed on the right side of the dry filter box, and a catalytic combustion furnace is installed on the right side of the activated carbon adsorption bin;

[0006] A first motor is installed on the lower right side of the water collecting tank, a driving gear is keyed to the output end of the first motor, a driven gear is meshed on the outer side of the driving gear, a collecting pipe is keyed to the inner side of the driven gear, a sealing cover is threadedly connected to the lower end of the collecting pipe, a filter plate is installed on the upper end of the collecting pipe, a scraper is connected to the inner wall of the water collecting tank, a water pump is installed on the lower left side of the water collecting tank, a water inlet end of the water pump is connected to the water collecting tank, and a water outlet end of the water pump is connected to the spray purification tower;

[0007] A second motor is installed on the right side of the activated carbon adsorption bin, and a roller is connected to the output end of the second motor. A feed opening is opened on the side wall of the roller, and a sealing plug is threadedly connected to the inner side of the feed opening.

[0008] Preferably, the collecting pipe passes through the bottom surface of the water collecting tank, and the collecting pipe and the water collecting tank are rotatably connected. This design allows impurities to be discharged from the water collecting tank along the collecting pipe, making it easier to clean the impurities.

[0009] Preferably, the side surface of the filter plate is an inclined structure, and the filter plate and the collecting pipe are connected to each other. This design can facilitate impurities on the filter plate to fall into the collecting pipe along the filter plate, thereby facilitating the cleaning of impurities on the filter plate.

[0010] Preferably, the scraper and the side surfaces of the filter plate are parallel to each other, and the scraper and the filter plate fit each other. This design allows the scraper to be used to scrape and clean the filter plate to prevent impurities from adhering to the filter plate.

[0011] Preferably, the exterior of the drum is a mesh structure, and the interior of the drum is evenly filled with activated carbon particles. This design allows the exhaust gas to enter the filter cartridge and come into contact with the activated carbon particles, thereby adsorbing the exhaust gas.

[0012] Preferably, the internal hollow grooves of the drum are distributed in an inclined shape, and the internal hollow grooves of the drum are inclined toward the discharge port. This design facilitates the movement of activated carbon particles in the drum, and when replacing, they can be smoothly concentrated to the position of the discharge port for discharge.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] (1) The fixed bed molecular sieve adsorption catalytic combustion waste gas treatment equipment uses an inclined filter plate to filter the spray water, and the filter plate can be rotated to adjust the filter surface. The scraper can scrape and clean the filter plate to ensure that the filter plate can quickly process the spray water and concentrate impurities in the collecting pipe for easy cleaning later.

[0015] (2) The fixed-bed molecular sieve adsorption catalytic combustion waste gas treatment equipment utilizes a rotating drum to allow the activated carbon particles filled inside the drum to dynamically contact the waste gas, thereby increasing the two-phase contact between the waste gas and the activated carbon particles and comprehensively performing adsorption treatment on the waste gas. The discharge port can also be opened to discharge the activated carbon particles for replacement, thereby improving its convenience of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the water collecting tank of the utility model when viewed from above;

[0018] Figure 3 This is a schematic diagram of the cross-sectional structure of the water collecting tank of the utility model;

[0019] Figure 4 This is a schematic diagram of the cross-sectional structure of the filter plate of the utility model;

[0020] Figure 5 This is a schematic diagram of the cross-sectional structure of the activated carbon adsorption bin of the utility model;

[0021] Figure 6 This is a schematic diagram of the cross-sectional structure of the roller of the utility model.

[0022] In the figure: 1. spray purification tower; 2. water collecting pipe; 3. water collecting box; 4. dry filter box; 5. activated carbon adsorption bin; 6. catalytic combustion furnace; 7. first motor; 8. driving gear; 9. driven gear; 10. collecting pipe; 11. sealing cover; 12. filter plate; 13. scraper; 14. water pump; 15. second motor; 16. drum; 17. discharge port; 18. sealing plug. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-Figure 5The utility model provides the following technical solutions: a fixed bed molecular sieve adsorption catalytic combustion waste gas treatment device, comprising a spray purification tower 1, a water collecting pipe 2 is connected to the lower left side of the spray purification tower 1, a water collecting pipe 2 is connected to the lower end of the water collecting pipe 2, a water collecting box 3 is installed on the right side of the spray purification tower 1, an activated carbon adsorption bin 5 is installed on the right side of the dry filter box 4, and a catalytic combustion furnace 6 is installed on the right side of the activated carbon adsorption bin 5; a first motor 7 is installed on the lower right side of the water collecting box 3, and the first motor The output end of 7 is key-connected with a driving gear 8, the outer side of the driving gear 8 is meshed with a driven gear 9, the inner side of the driven gear 9 is key-connected with a collecting pipe 10, the lower end of the collecting pipe 10 is threadedly connected with a sealing cover 11, the upper end of the collecting pipe 10 is installed with a filter plate 12, the inner wall of the water collecting tank 3 is connected with a scraper 13, and a water pump 14 is installed on the lower left side of the water collecting tank 3, the water inlet end of the water pump 14 is connected to the water collecting tank 3, and the water outlet end of the water pump 14 is connected to the spray purification tower 1;

[0025] Furthermore, the collecting pipe 10 penetrates the bottom surface of the water collecting box 3, and the collecting pipe 10 and the water collecting box 3 are rotatably connected; the side surface of the filter plate 12 is an inclined structure, and the filter plate 12 and the collecting pipe 10 are connected to each other; the scraper 13 and the side surface of the filter plate 12 are parallel to each other, and the scraper 13 and the filter plate 12 are attached to each other;

[0026] The water pump 14 is powered on to draw the water in the water collecting box 3 to the top of the spray purification tower 1, and the waste gas in the spray purification tower 1 is sprayed. The spray water is collected in the water collecting box 3 along the water collecting pipe 2, and the water is filtered by the filter plate 12 to intercept the impurities on the upper side of the filter plate 12. At the same time, the first motor 7 is powered on to control the driving gear 8 connected to the output end to rotate, and the driving gear 8 drives the meshing driven gear 9 to rotate, thereby driving the collection pipe 10 and the filter plate 12 installed on the upper end to rotate, and the filtering surface of the filter plate 12 for water is replaced and adjusted, and the scraper 13 is used to scrape the inner side of the filter plate 12, so that the impurities are concentrated in the collection pipe 10 along the inclined surface of the filter plate 12. At a later stage, the sealing cover 11 can be removed from the end of the threaded collection pipe 10 to clean the impurities and prevent the impurities from clogging the filter plate 12, so that the filter plate 12 can quickly filter the water.

[0027] Furthermore, a second motor 15 is installed on the right side of the activated carbon adsorption bin 5, and a drum 16 is connected to the output end of the second motor 15. A feed opening 17 is provided on the side wall of the drum 16, and a sealing plug 18 is threadedly connected to the inner side of the feed opening 17;

[0028] Specifically, the outside of the drum 16 is a mesh structure, and the inside of the drum 16 is uniformly filled with activated carbon particles; the hollow grooves inside the drum 16 are distributed in an inclined shape, and the hollow grooves inside the drum 16 are inclined toward the feed port 17;

[0029] The exhaust gas enters the dry filter box 4 along the air pipe, and the dry filter box 4 processes it, and then enters the activated carbon adsorption bin 5, enters the drum 16 along the mesh of the drum 16, contacts with the activated carbon particles filled in the drum 16, and adsorbs the exhaust gas. The second motor 15 is powered on to control the rotation of the drum 16 connected to the output end, and the activated carbon particles in the drum 16 move to dynamically contact with the exhaust gas, thereby increasing the two-phase contact degree between the exhaust gas and the activated carbon particles, and comprehensively adsorbing the exhaust gas. The treated exhaust gas enters the catalytic combustion furnace 6 for combustion treatment. When the activated carbon particles need to be replaced, the sealed door on the front side of the activated carbon adsorption bin 5 can be opened, and the sealing plug 18 connected to the inner thread of the discharge port 17 at the lower position can be removed to discharge the active particles, and the sealing plug 18 connected to the inner thread of the discharge port 17 at the upper position can be removed to add new activated carbon particles. The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0030] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A fixed bed molecular sieve adsorption catalytic combustion waste gas treatment device, comprising a spray purification tower (1), characterized in that: The lower left side of the spray purification tower (1) is connected to a water collecting pipe (2), the lower end of the water collecting pipe (2) is connected to a water collecting box (3), a dry filter box (4) is installed on the right side of the spray purification tower (1), an activated carbon adsorption bin (5) is installed on the right side of the dry filter box (4), and a catalytic combustion furnace (6) is installed on the right side of the activated carbon adsorption bin (5); A first motor (7) is installed on the lower right side of the water collecting box (3), the output end of the first motor (7) is key-connected with a driving gear (8), the outer side of the driving gear (8) is meshed with a driven gear (9), the inner side of the driven gear (9) is key-connected with a collecting pipe (10), the lower end of the collecting pipe (10) is threadedly connected with a sealing cover (11), the upper end of the collecting pipe (10) is installed with a filter plate (12), the inner wall of the water collecting box (3) is connected with a scraper (13), and a water pump (14) is installed on the lower left side of the water collecting box (3), the water inlet end of the water pump (14) and the water collecting box (3) are connected to each other, and the water outlet end of the water pump (14) and the spray purification tower (1) are connected to each other; A second motor (15) is installed on the right side of the activated carbon adsorption bin (5); the output end of the second motor (15) is connected to a roller (16); a discharge port (17) is provided on the side wall of the roller (16); a sealing plug (18) is threadedly connected to the inner side of the discharge port (17).

2. The fixed bed molecular sieve adsorption catalytic combustion exhaust gas treatment equipment according to claim 1 is characterized in that: The collecting pipe (10) passes through the bottom surface of the water collecting box (3), and the collecting pipe (10) and the water collecting box (3) are rotatably connected.

3. The fixed bed molecular sieve adsorption catalytic combustion exhaust gas treatment equipment according to claim 1, characterized in that: The side surface of the filter plate (12) is an inclined structure, and the filter plate (12) and the collecting pipe (10) are connected to each other.

4. The fixed bed molecular sieve adsorption catalytic combustion waste gas treatment equipment according to claim 1, characterized in that: The side surfaces of the scraper (13) and the filter plate (12) are arranged parallel to each other, and the scraper (13) and the filter plate (12) are fitted to each other.

5. The fixed bed molecular sieve adsorption catalytic combustion exhaust gas treatment equipment according to claim 1, characterized in that: The outside of the drum (16) is a mesh structure, and the inside of the drum (16) is evenly filled with activated carbon particles.

6. The fixed bed molecular sieve adsorption catalytic combustion exhaust gas treatment equipment according to claim 1, characterized in that: The hollow grooves inside the roller (16) are distributed in an inclined shape, and the hollow grooves inside the roller (16) are inclined toward the discharge port (17).

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