Tail gas purification device for hazardous waste incineration

Abstract

The utility model discloses a tail gas purification device for hazardous waste incineration. The tail gas purification device comprises an incinerator, and a filter box is fixedly installed on the surface of the top of the incinerator. A water tank is fixedly mounted on the top surface of the filter box, a water pump is fixedly mounted on one side of the top surface of the water tank, a water inlet pipe is fixedly connected to the surface of one side of the water pump, the surface of the side, away from the water pump, of the water inlet pipe is in through connection with the water tank, and a water outlet pipe is fixedly connected to the surface of the other side of the water pump; the bottom surface of the water outlet pipe is connected with the filter box in a penetrating mode, by arranging the protection assembly, the spray head can be protected, so that impurities contained in flue gas are prevented from entering the spray head to a certain extent, the possibility that the spray head is blocked is reduced, the service life of the spray head is prolonged to a certain extent, and the service life of the spray head is prolonged to a certain extent. And meanwhile, through a fixing groove, a fixing rod, an extension spring and a sealing gasket, the filter screen can be conveniently and rapidly detached and cleaned.

Description

Technical Field

[0001] This utility model relates to the field of hazardous waste incineration flue gas filtration technology, specifically a tail gas purification device for hazardous waste incineration. Background Technology

[0002] The flue gas produced during waste incineration can lead to a decline in air quality. The presence of various small particles can easily affect the purity of the air, thereby threatening human health. Because hazardous waste contains a large amount of heavy metals, these can easily mix into the flue gas after incineration, which can also have serious consequences.

[0003] Publication number CN221513987U discloses a hazardous waste incineration flue gas purification device, which filters some of the harmful substances in the flue gas into water, reducing the harmful substances filtered by the filter screen, extending the filter screen replacement time, and saving replacement costs. However, this patent still has the following problems in actual use:

[0004] By filtering some harmful substances from the flue gas into the water, the amount of harmful substances filtered by the filter screen is reduced, extending the filter screen replacement time and saving replacement costs. Although the spray nozzle can filter some harmful substances into the water, reducing the amount of harmful substances filtered by the filter screen and extending the filter screen replacement time, when the nozzle sprays the flue gas, some impurities in the flue gas may enter the nozzle, which may cause the nozzle to become clogged.

[0005] A tail gas purification device for hazardous waste incineration is proposed to address the problems mentioned above. Utility Model Content

[0006] The purpose of this invention is to provide a tail gas purification device for hazardous waste incineration, in order to solve the problems mentioned in the background art. Currently, by filtering some harmful substances in the flue gas into water, the harmful substances filtered by the filter screen are reduced, the filter screen replacement time is extended, and the replacement cost is saved. Although the nozzle can filter some harmful substances into water, reducing the harmful substances filtered by the filter screen and extending the filter screen replacement time, when the nozzle sprays the flue gas, some impurities in the flue gas may enter the nozzle, which may cause the nozzle to become clogged.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a tail gas purification device for hazardous waste incineration, comprising an incinerator, wherein a filter box is fixedly installed on the top surface of the incinerator;

[0008] A water tank is fixedly installed on the top surface of the filter box. A water pump is fixedly installed on one side of the top surface of the water tank. An inlet pipe is fixedly connected to one side of the water pump. The side of the inlet pipe away from the water pump is connected to the water tank. An outlet pipe is fixedly connected to the other side of the water pump. The bottom surface of the outlet pipe is connected to the filter box. Several fixing brackets are connected to the surface of the outlet pipe. One side of the fixing bracket is fixedly connected to the water tank. A conveying pipe is connected to the bottom surface of the outlet pipe. Several stabilizing brackets are connected to the surface of the conveying pipe. The top surface of the stabilizing bracket is fixedly connected to the filter box. Several nozzles are connected to the bottom surface of the conveying pipe.

[0009] Also includes:

[0010] The surface of the nozzle is provided with protective components;

[0011] The protective components include a connecting bracket that is fitted and connected to the nozzle sleeve;

[0012] A filter screen is fixedly connected to the bottom surface of the connecting frame.

[0013] Preferably, slide rods are symmetrically installed on both sides of the connecting frame, a slide plate is connected through the surface of the slide rod, a clamping plate is fixedly connected to the top surface of the slide plate, and the clamping plate is connected through the connecting frame.

[0014] Preferably, a tension spring is fitted onto the surface of the slide bar, one side of the tension spring is fixedly connected to the connecting frame, and the other side of the tension spring is fixedly connected to the slide plate.

[0015] Preferably, a drain pipe is connected through the surface of the water tank near the bottom, and a valve is fixedly installed inside the drain pipe.

[0016] Preferably, a smoke inlet is provided on one side of the inside of the filter box, and the smoke inlet is connected to the incinerator. Baffles are symmetrically installed inside the filter box. A filter screen is attached to one side of the baffle, and a guide plate is fixedly installed on the other side of the baffle.

[0017] Preferably, the nozzle has symmetrical slots on both sides near the center, and the slots are engaged with the card plate.

[0018] Preferably, symmetrical grooves are provided on both sides of the smoke inlet, and sliders are slidably connected inside the grooves. The top surface of the sliders is fixedly connected to the filter screen. A fixing groove is provided in the middle of the top surface of the filter screen. A fixing rod is engaged inside the fixing groove. A return spring is sleeved on the surface of the fixing rod near the top. A sealing gasket is fixedly connected to the bottom of the return spring. The top surface of the return spring is fixedly connected to the fixing rod. The bottom surface of the sealing gasket is fixedly connected to the filter box. The fixing rod, the sealing gasket, and the filter box are connected through each other.

[0019] Compared with the prior art, the beneficial effects of this utility model are as follows: This exhaust gas purification device for hazardous waste incineration, by setting up protective components, can protect the nozzle, thereby reducing the entry of impurities in the flue gas into the nozzle's interior to a certain extent, thus reducing the possibility of nozzle blockage and increasing the nozzle's service life to a certain extent. At the same time, the fixing groove, fixing rod, tension spring, and sealing gasket facilitate quick disassembly and cleaning of the filter screen. The specific details are as follows:

[0020] 1. By incorporating a protective component, when a nozzle is damaged or clogged, rotating the nozzle separates it from the delivery pipe. Pulling the sliding plate causes it to move the clamping plate, which in turn stretches the tension spring, causing it to deform. After the sliding plate moves the clamping plate to a certain position, the clamping plate separates from the slot, allowing the damaged or clogged nozzle to be removed and installed on a new nozzle. When fitting the connector onto the new nozzle, loosening the sliding plate allows it to return to its original position under the action of the tension spring. The movement of the sliding plate further... This will cause the card plate to move, so that the card plate and the card slot will re-lock together, thus completing the installation of the protective components. Then, by rotating the new nozzle and the delivery pipe, the new nozzle can be installed, thus enabling the filtration of flue gas. Compared with filtering by spraying through the nozzle first, filtering by spraying through the nozzle first and then filtering through the filter screen first allows the filter screen to intercept large particulate pollutants, so that the spraying process can focus more on removing fine particles and some gaseous pollutants, especially solid particulate matter, thus helping to improve the overall filtration effect.

[0021] 2. By setting up a fixing groove, fixing rod, return spring, and sealing gasket, when disassembling, cleaning, or replacing the filter screen, after opening the door on the filter box, pulling the fixing rod causes the tension spring to stretch, thereby deforming the return spring. After the fixing rod is pulled to a certain position, it separates from the fixing groove. Then, by pulling the filter screen, the filter screen moves the slider inside the groove, allowing the filter screen to be replaced or cleaned. Similarly, when installing the filter screen, after placing the slider on the filter screen inside the groove, pushing the filter screen so that one side of the screen fits against the stop, loosening the fixing rod causes it to descend under the action of the return spring, thus engaging the fixing rod with the fixing groove, completing the filter screen installation. The sealing gasket reduces the leakage of flue gas from inside the filter box, thereby reducing air pollution caused by leaked flue gas. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0023] Figure 2 This is a schematic diagram of the overall internal structure of this utility model;

[0024] Figure 3 This utility model Figure 2 Enlarged structural diagram of region A in the middle;

[0025] Figure 4 This is a schematic diagram of the overall structure of the protective component in this utility model;

[0026] Figure 5 This is a schematic diagram of the internal structure of the filter box in this utility model;

[0027] Figure 6 This utility model Figure 2 A magnified structural diagram of region B in the middle.

[0028] In the diagram: 1. Incinerator; 2. Filter box; 3. Water tank; 4. Water pump; 5. Inlet pipe; 6. Outlet pipe; 7. Fixing frame; 8. Drain pipe; 9. Valve; 10. Conveying pipe; 11. Stabilizing frame; 12. Smoke inlet; 13. Baffle; 14. Filter screen; 15. Guide plate; 16. Nozzle; 17. Protective components; 1701. Connecting frame; 1702. Filter screen; 1703. Slide bar; 1704. Slide plate; 1705. Clamping plate; 1706. Tension spring; 18. Slot; 19. Slide groove; 20. Sliding block; 21. Fixing groove; 22. Fixing rod; 23. Return spring; 24. Sealing gasket. Detailed Implementation

[0029] 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.

[0030] Please see Figure 1-6 This utility model provides a technical solution: a tail gas purification device for hazardous waste incineration, including an incinerator 1, a filter box 2 fixedly installed on the top surface of the incinerator 1; a water tank 3 fixedly installed on the top surface of the filter box 2, a water pump 4 fixedly installed on one side of the top surface of the water tank 3, an inlet pipe 5 fixedly connected to one side of the water pump 4, the side of the inlet pipe 5 away from the water pump 4 being connected through to the water tank 3, an outlet pipe 6 fixedly connected to the other side of the water pump 4, the bottom surface of the outlet pipe 6 being connected through to the filter box 2, and a plurality of fixed... The system includes a fixed frame 7, one side of which is fixedly connected to the water tank 3. A delivery pipe 10 is connected through the bottom surface of the water outlet pipe 6. Several stabilizing frames 11 are connected through the surface of the delivery pipe 10. The top surface of the stabilizing frames 11 is fixedly connected to the filter box 2. Several nozzles 16 are connected through the bottom surface of the delivery pipe 10. The system also includes a protective assembly 17 on the surface of each nozzle 16. The protective assembly 17 includes a connecting frame 1701 sleeved and connected to the nozzle 16. A filter screen 1702 is fixedly connected to the bottom surface of the connecting frame 1701. Figure 1-6 As shown, by setting the protective component 17, the nozzle 16 can be protected, thereby reducing the amount of impurities in the flue gas entering the interior of the nozzle 16, thus reducing the possibility of the nozzle 16 becoming clogged, and thus increasing the service life of the nozzle 16 to a certain extent. At the same time, the fixing groove 21, fixing rod 22, tension spring 1706 and sealing gasket 24 make it easy to quickly disassemble and clean the filter screen 14.

[0031] A sliding rod 1703 is symmetrically installed on both sides of the connecting frame 1701. A sliding plate 1704 is connected through the surface of the sliding rod 1703. A retaining plate 1705 is fixedly connected to the top surface of the sliding plate 1704. The retaining plate 1705 is connected through the connecting frame 1701. A tension spring 1706 is sleeved on the surface of the sliding rod 1703. One side of the tension spring 1706 is fixedly connected to the connecting frame 1701, and the other side of the tension spring 1706 is fixedly connected to the sliding plate 1704. Figure 3 , 4As shown, when the nozzle 16 is damaged or clogged, the nozzle 16 is rotated to separate it from the delivery pipe 10. Then, by pulling the slide plate 1704, the slide plate 1704 will move the clamping plate 1705. At the same time, the movement of the slide plate 1704 will also stretch the tension spring 1706, causing the tension spring 1706 to deform. After the slide plate 1704 moves the clamping plate 1705 to a certain position, the clamping plate 1705 will separate from the clamping slot 18, so that the connector 1701 can be removed and the damaged or clogged nozzle 16 can be installed on a new nozzle 16.

[0032] A drain pipe 8 is connected to the surface of the water tank 3 near the bottom. A valve 9 is fixedly installed inside the drain pipe 8. Figure 1 As shown, the water after spraying can be discharged and collected through the cooperation between the drain pipe 8 and the valve 9.

[0033] A smoke inlet 12 is provided on one side of the interior of the filter box 2, and the smoke inlet 12 is connected to the incinerator 1. Baffles 13 are symmetrically installed inside the filter box 2. A filter screen 14 is attached to one side of each baffle 13, and a guide plate 15 is fixedly installed on the other side of each baffle 13. Figure 2 As shown, the guide plate 15 can guide the sprayed water and then discharge it through the drain pipe 8. At the same time, the baffle 13 can limit the filter screen 14.

[0034] The nozzle 16 has symmetrical slots 18 on both sides near the center, and the slots 18 are engaged with the card plate 1705. Figure 4 As shown, when the connecting bracket 1701 is fitted onto the new nozzle 16, the sliding plate 1704 is loosened, causing it to return to its original position under the action of the tension spring 1706. At the same time, the movement of the sliding plate 1704 causes the clamping plate 1705 to move, thereby causing the clamping plate 1705 to re-engage with the slot 18, thus completing the installation of the protective component 17. Then, by rotating the new nozzle 16 and the delivery pipe 10, the installation of the new nozzle 16 can be completed, thereby enabling the filtration of flue gas.

[0035] Symmetrical grooves 19 are provided on both sides of the smoke inlet 12. A slider 20 is slidably connected inside the groove 19. The top surface of the slider 20 is fixedly connected to the filter screen 14. A fixing groove 21 is provided in the middle of the top surface of the filter screen 14. A fixing rod 22 is engaged inside the fixing groove 21. A return spring 23 is sleeved on the surface of the fixing rod 22 near its top. A sealing gasket 24 is fixedly connected to the bottom of the return spring 23. The top surface of the return spring 23 is fixedly connected to the fixing rod 22, and the bottom surface of the sealing gasket 24 is fixedly connected to the filter box 2. The fixing rod 22, the sealing gasket 24, and the filter box 2 are connected through each other. Figure 6 As shown, when disassembling, cleaning, or replacing the filter screen 14, after opening the door on the filter box 2, the fixing rod 22 is pulled, causing the tension spring 1706 to stretch, thereby deforming the return spring 23. After the fixing rod 22 is pulled to a certain position, it separates from the fixing groove 21. Then, by pulling the filter screen 14, the filter screen 14 causes the slider 20 to slide inside the sliding groove 19, thereby allowing the filter screen 14 to be replaced or cleaned. Simultaneously, the filter screen 14 can be cleaned and its contents removed. When installing the filter screen 14, after placing the slider 20 on the filter screen 14 inside the slide groove 19, push the filter screen 14 so that one side of the filter screen 14 fits against the stop block 13. Then, loosen the fixing rod 22 so that the fixing rod 22 descends under the action of the return spring 23, thereby locking the fixing rod 22 into the fixing groove 21, thus completing the installation of the filter screen 14. At the same time, by setting the sealing gasket 24, the sealing gasket 24 can reduce the leakage of flue gas inside the filter box 2, thereby reducing the pollution of the air caused by the leakage of flue gas.

[0036] Working principle: Before using this type of hazardous waste incineration exhaust gas purification device, it is necessary to check the overall condition of the device to ensure that it can operate normally. Figure 1 - Figure 6 As shown, by first setting the protective component 17, when the nozzle 16 is damaged or blocked, the nozzle 16 is rotated to separate from the delivery pipe 10. Then, by pulling the slide plate 1704, the slide plate 1704 will drive the clamping plate 1705 to move. At the same time, the movement of the slide plate 1704 will also drive the tension spring 1706 to stretch, thereby causing the tension spring 1706 to deform. After the slide plate 1704 drives the clamping plate 1705 to a certain position, the clamping plate 1705 separates from the slot 18, so that the connecting bracket 1701 can be removed from the damaged or blocked nozzle 16 and installed on the new nozzle 16. When the connecting bracket 1701 is fitted onto the new nozzle 16, by loosening the slide plate 1704, the slide plate 1704 will be stretched by the tension spring 1706. Under the action of 706, the slide plate 1704 moves, which in turn moves the card plate 1705, causing the card plate 1705 to re-engage with the card slot 18, thus completing the installation of the protective component 17. Then, by rotating the new nozzle 16 and the delivery pipe 10, the new nozzle 16 can be installed, thereby enabling the filtration of flue gas. Compared to filtering by spraying from the nozzle 16 first, filtering by first passing through the filter screen 14 and then through the spray screen 14, the filter screen 14 can intercept large particulate pollutants first, allowing the spraying process to focus more on removing fine particles and some gaseous pollutants, especially solid particulate matter, thus helping to improve the overall filtration effect.

[0037] Secondly, by setting up a fixing groove 21, a fixing rod 22, a return spring 23, and a sealing gasket 24, when disassembling, cleaning, or replacing the filter screen 14, after opening the door on the filter box 2, the fixing rod 22 is pulled, causing the tension spring 1706 to stretch, thereby deforming the return spring 23. After the fixing rod 22 is pulled to a certain position, it separates from the fixing groove 21. Then, by pulling the filter screen 14, the filter screen 14 causes the slider 20 to slide inside the slide groove 19, thereby allowing the filter screen 14 to be cleaned and replaced. Replacement or cleaning is performed. When installing the filter screen 14, the slider 20 on the filter screen 14 is placed inside the slide groove 19. The filter screen 14 is then pushed so that one side of the filter screen 14 fits against the stop block 13. The fixing rod 22 is then loosened, causing it to descend under the action of the return spring 23, thereby engaging with the fixing groove 21. This completes the installation of the filter screen 14. At the same time, the sealing gasket 24 is set to reduce the leakage of flue gas inside the filter box 2, thereby reducing the pollution of the air caused by the leakage of flue gas.

[0038] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A tail gas purification device for hazardous waste incineration, comprising an incinerator (1), wherein a filter box (2) is fixedly installed on the top surface of the incinerator (1); A water tank (3) is fixedly installed on the top surface of the filter box (2). A water pump (4) is fixedly installed on one side of the top surface of the water tank (3). An inlet pipe (5) is fixedly connected to one side of the water pump (4). The side surface of the inlet pipe (5) away from the water pump (4) is connected to the water tank (3). An outlet pipe (6) is fixedly connected to the other side of the water pump (4). The bottom surface of the outlet pipe (6) is connected to the filter box (2). Several fixing brackets (7) are connected to the surface of the outlet pipe (6). One side surface of the fixing bracket (7) is fixedly connected to the water tank (3). A conveying pipe (10) is connected to the bottom surface of the outlet pipe (6). Several stabilizing brackets (11) are connected to the surface of the conveying pipe (10). The top surface of the stabilizing bracket (11) is fixedly connected to the filter box (2). Several nozzles (16) are connected to the bottom surface of the conveying pipe (10). characterized in that Also includes: The surface of the nozzle (16) is provided with a protective component (17); The protective component (17) includes a connecting bracket (1701) that is sleeved and connected to the nozzle (16); A filter screen (1702) is fixedly connected to the bottom surface of the connecting frame (1701).

2. The exhaust gas purification device for hazardous waste incineration according to claim 1, characterized by: The connecting frame (1701) is symmetrically equipped with slide rods (1703) on both sides. A slide plate (1704) is connected through the surface of the slide rod (1703). A clamping plate (1705) is fixedly connected to the top surface of the slide plate (1704). The clamping plate (1705) is connected through the connecting frame (1701).

3. The exhaust gas purification device for hazardous waste incineration according to claim 2, characterized by: A tension spring (1706) is fitted on the surface of the slide bar (1703). One side of the tension spring (1706) is fixedly connected to the connecting frame (1701), and the other side of the tension spring (1706) is fixedly connected to the slide plate (1704).

4. The exhaust gas purification device for hazardous waste incineration according to claim 1, characterized by: A drain pipe (8) is connected through one side surface of the water tank (3) near the bottom, and a valve (9) is fixedly installed inside the drain pipe (8).

5. The exhaust gas purification device for hazardous waste incineration according to claim 1, characterized by: The filter box (2) has a smoke inlet (12) on one side inside, which is connected to the incinerator (1). The filter box (2) has symmetrically installed baffles (13) inside, and a filter screen (14) is attached to one side of the baffle (13). A guide plate (15) is fixedly installed on the other side of the baffle (13).

6. The exhaust gas purification device for hazardous waste incineration according to claim 2, characterized by: The nozzle (16) has symmetrical slots (18) on both sides near the middle, and the slots (18) are engaged with the card plate (1705).

7. The exhaust gas purification device for hazardous waste incineration according to claim 5, characterized by: A sliding groove (19) is symmetrically provided on both sides of the smoke inlet (12). A slider (20) is slidably connected inside the sliding groove (19). The top surface of the slider (20) is fixedly connected to the filter screen (14). A fixing groove (21) is provided in the middle of the top surface of the filter screen (14). A fixing rod (22) is engaged inside the fixing groove (21). A return spring (23) is sleeved on the surface of the fixing rod (22) near the top. A sealing gasket (24) is fixedly connected to the bottom of the return spring (23). The top surface of the return spring (23) is fixedly connected to the fixing rod (22). The bottom surface of the sealing gasket (24) is fixedly connected to the filter box (2). The fixing rod (22), the sealing gasket (24), and the filter box (2) are connected through each other.

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