Odor treatment system for waste incineration power plant

By designing a multi-stage odor control system, the problem of treating harmful gases generated from hazardous waste materials in waste incineration power plants has been solved, achieving effective gas purification and convenient equipment maintenance, and extending equipment life.

CN223901567UActive Publication Date: 2026-02-13CECEP (XIAN) ENVIRONMENTAL PROTECTION ENERGY CO LTD
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Patent Information

Application Number
CN202520324721.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-27
Publication Date
2026-02-13
Estimated Expiration
2035-02-27

AI Technical Summary

Technical Problem

Harmful gases generated during the temporary storage of hazardous waste at waste-to-energy plants are difficult to treat in a timely manner, which may pollute the environment or affect the health of workers.

Method used

An odor control system comprising an incinerator and a flue gas treatment tower was designed. The system employs multi-stage treatment, including filter plates, spray liquid, activated carbon adsorption layer, zeolite adsorption layer and resin adsorption layer, combined with atomizing nozzles and a controller, to achieve step-by-step purification of harmful gases.

Benefits of technology

It enables the timely treatment of harmful gases generated from hazardous waste materials, ensuring environmental safety and extending the service life of the flue gas treatment tower, while also facilitating the replacement and maintenance of the adsorption material.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an odor treatment system for a waste incineration power plant. The odor treatment system comprises an incinerator and a flue gas treatment tower, the incinerator is communicated and connected with the flue gas treatment tower through a flue gas pipe; an air inlet pipe, a fuel inlet pipe and an air inlet pipe are respectively arranged on the side wall of the incinerator; a bottom frame is detachably arranged at the bottom end of the incinerator; a filter plate, a spraying bottom plate, a spraying top plate, a first permeable plate and a second permeable plate are sequentially arranged in the flue gas treatment tower from bottom to top; a spraying liquid containing box is arranged on the spraying bottom plate; a liquid discharge pipe is arranged at the lower end of the spraying bottom plate; the upper end of the liquid discharging pipe is communicated with the interior of the spraying liquid containing box, and the lower end of the liquid discharging pipe is communicated and connected with a plurality of atomizing nozzles; an activated carbon adsorption layer is arranged on the first permeable plate. According to the odor treatment system for the waste incineration power plant provided by the utility model, harmful gas generated by dangerous waste materials is treated step by step in the flue gas treatment tower, and obtained clean gas is exhausted through the exhaust pipe.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of odor treatment systems, especially a kind of odor treatment system for garbage incineration power plant. BACKGROUND

[0002] A series of hazardous waste materials will be generated in the daily operation of garbage incineration power plant, and the generated hazardous waste materials cannot be disposed of daily, so a certain amount of accumulation is needed for centralized disposal. The hazardous waste materials include waste lubricating oil, waste cloth bag, waste paint bucket, etc. These hazardous waste materials are usually stored in a sealed room, so the harmful gases generated during the temporary storage of these hazardous waste materials need to be treated in time to prevent environmental pollution or affect the health of the workers in the garbage incineration power plant. SUMMARY

[0003] Therefore, the utility model provides an odor treatment system for garbage incineration power plant.

[0004] To achieve the above purpose, the utility model adopts the following technical scheme:

[0005] An odor treatment system for garbage incineration power plant, comprising an incinerator and a flue gas treatment tower; the top end of the incinerator and the bottom end of the flue gas treatment tower are connected by a flue gas pipe; the sidewall of the incinerator is provided with an air inlet pipe, a fuel inlet pipe and an air inlet pipe; the top end of the flue gas treatment tower is provided with an exhaust pipe; the bottom end of the incinerator has an opening; a bottom frame is detachably connected to the opening at the bottom end of the incinerator;

[0006] The inside of the flue gas treatment tower is sequentially fixed with a filter plate, a spraying bottom plate, a spraying top plate, a first air permeable plate and a second air permeable plate from bottom to top; the spraying space is formed between the filter plate and the spraying bottom plate, and the first adsorption space is formed between the first air permeable plate and the second air permeable plate; the spraying bottom plate is provided with a spraying liquid storage box; the lower end of the spraying bottom plate is fixedly provided with a drain pipe; the upper end of the drain pipe and the inside of the spraying liquid storage box are in communication with each other, and the lower end of the drain pipe is in communication with a plurality of atomizing nozzles; the drain pipe is provided with a valve and a drive pump; the first air permeable plate is provided with an activated carbon adsorption layer; one side of the flue gas treatment tower is fixedly provided with a gas conveying pipe; the lower end of the gas conveying pipe, the upper end of the gas conveying pipe are in communication with the top end of the spraying space, the space between the first air permeable plate and the spraying top plate; a through groove is provided in the other side of the flue gas treatment tower corresponding to the positions of the first adsorption space, the spraying space and the filter plate; three through grooves are jointly embedded with a maintenance plate.

[0007] Further, the fuel inlet pipe is inclined downward from the outside of the incinerator to the inside; a plugging block is detachably arranged in the outlet end of the fuel inlet pipe.

[0008] Further, the inside of the incinerator is fixedly provided with a gas guide plate.

[0009] The gas guide plate is integrally composed of an annular gas guide plate fixedly provided on the inner wall of the incinerator and longitudinal gas guide plates fixedly provided on the upper ends of the two sides of the annular gas guide plate.

[0010] The inside of the gas guide plate is a hollow structure; and the longitudinal gas guide plates are provided with a plurality of gas guide holes from top to bottom.

[0011] The air inlet pipe is in communication connection with the inside of the annular gas guide plate.

[0012] Further, the bottom frame is attached to the annular gas guide plate.

[0013] Further, the lower end of the liquid discharge pipe extending into the spraying space is in communication connection with the liquid collecting chamber; and the lower end of the liquid collecting chamber is in communication connection with the plurality of atomizing nozzles.

[0014] Further, the inside of the flue gas treatment tower is fixedly provided with a third gas permeable plate and a fourth gas permeable plate from bottom to top; the third gas permeable plate is located above the second gas permeable plate; the second gas permeable plate and the third gas permeable plate form a second adsorption space; and the third gas permeable plate and the fourth gas permeable plate form a third adsorption space.

[0015] The second gas permeable plate is provided with a zeolite adsorption layer; and the third gas permeable plate is provided with a resin adsorption layer.

[0016] The other side of the flue gas treatment tower is provided with a through groove at positions corresponding to the second adsorption space and the third adsorption space; the maintenance plate is integrally composed of a maintenance panel and five maintenance protrusions provided on the maintenance panel; the five maintenance protrusions are respectively matched and embedded in the five through grooves provided on the other side of the flue gas treatment tower; and the maintenance panel is attached to the outer wall of the flue gas treatment tower.

[0017] Further, a first magnet block is embedded in the inside of the other side of the flue gas treatment tower; a second magnet block is embedded in the inside of the inner side of the maintenance plate; and the first magnet block and the second magnet block are magnetically attracted.

[0018] Further, the bottom end of the flue gas treatment tower is provided with an opening; and a bottom plate is detachably connected to the opening of the bottom end of the flue gas treatment tower.

[0019] Further, the air inlet pipe and the air conveying pipe are respectively provided with a driving pump; and the air inlet pipe and the air conveying pipe are respectively provided with a valve.

[0020] Compared with the prior art, the present application has the following beneficial effects:

[0021] (1) the garbage incineration power plant odor treatment system, the slag produced in the process of incinerator falls on the bottom frame, the slag accumulates to a certain amount and the bottom frame can be disassembled and removed for cleaning;

[0022] (2) the garbage incineration power plant odor treatment system, through the step-by-step treatment in the flue gas treatment tower, the clean gas is discharged through the exhaust pipe; harmful gases generated by the temporary storage of these hazardous waste materials are treated in time;

[0023] (3) the garbage incineration power plant odor treatment system, when the filter plate or activated carbon adsorption layer or zeolite adsorption layer or resin adsorption layer needs to be replaced, or the spray liquid container needs to be added, the maintenance plate is extracted, and the new filter plate, activated carbon adsorption layer, zeolite adsorption layer, resin adsorption layer and spray liquid are manually replaced, which does not affect the flue gas treatment in the flue gas treatment tower, and after replacement, the maintenance plate is re-embedded in the through groove, prolonging the service life of the flue gas treatment tower. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 A perspective view of the garbage incineration power plant odor treatment system provided by the embodiment of the utility model;

[0025] Figure 2 A perspective view of the garbage incineration power plant odor treatment system provided by the embodiment of the utility model; Figure 1 Another angle structural diagram;

[0026] Figure 3 A perspective view of the garbage incineration power plant odor treatment system provided by the embodiment of the utility model;

[0027] Figure 4 A perspective view of the garbage incineration power plant odor treatment system provided by the embodiment of the utility model; Figure 3 A-A sectional view in the

[0028] Figure 5 An explosion view of the flue gas treatment tower provided by the embodiment of the utility model;

[0029] Figure 6 Another angle structural diagram; Figure 5 Another angle structural diagram;

[0030] Figure 7 A perspective view of the air guide plate provided by the embodiment of the utility model;

[0031] Figure 8 A perspective view of the spray liquid container, liquid discharge pipe, liquid collecting chamber and atomizing nozzle provided by the embodiment of the utility model.

[0032] In the figure: 1, incinerator; 2, flue gas treatment tower; 3, flue gas pipe; 4, air inlet pipe; 5, fuel inlet pipe; 6, air inlet pipe; 7, exhaust pipe; 8, bottom frame; 9, blocking block; 10, air guide plate; 101, annular air guide plate; 102, longitudinal air guide plate; 11, air guide hole; 12, filter plate; 13, spray bottom plate; 14, spray top plate; 15, first air permeable plate; 16, second air permeable plate; 17, third air permeable plate; 18, fourth air permeable plate; 19, spray liquid container; 20, liquid discharge pipe; 21, liquid collection chamber; 22, atomizing nozzle; 23, activated carbon adsorption layer; 24, zeolite adsorption layer; 25, resin adsorption layer; 26, gas conveying pipe; 27, through groove; 28, maintenance plate; 281, maintenance protrusion; 282, maintenance panel; 29, first magnet block; 30, second magnet block; 31, controller. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments.

[0034] In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more; the orientations or positional relationships indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" and the like are only for descriptive purposes, and cannot be understood as indicating or implying relative importance.

[0035] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0036] Embodiment:

[0037] As Figures 1-8As shown, a kind of waste incineration power plant is provided with odor control system, including incinerator 1 and flue gas treatment tower 2;The top of incinerator 1 and the bottom of flue gas treatment tower 2 are connected by flue gas pipe 3;The sidewall of incinerator 1 is respectively provided with air inlet pipe 4, fuel inlet pipe 5 and air inlet pipe 6;The bottom of incinerator 1 has an opening;Bottom frame 8 is threadedly connected to the bottom opening of incinerator 1.

[0038] Fuel inlet pipe 5 is inclined downward from the outside of incinerator 1 to the inside;Internal thread is formed in the outlet end of fuel inlet pipe 5, and the outlet end of fuel inlet pipe 5 is threadedly connected with blocking block 9.

[0039] Air guide plate 10 is fixedly arranged in the incinerator 1. Air guide plate 10 is integrally formed by annular air guide plate 101 fixedly arranged on the inner wall of incinerator 1 and longitudinal air guide plate 102 fixedly arranged on the upper end of annular air guide plate 101. The inside of air guide plate 10 is hollow structure;A plurality of air guide holes 11 are formed through the longitudinal air guide plate 102 from top to bottom. The inside of air inlet pipe 6 and annular air guide plate 101 is connected. The bottom frame 8 is attached to the annular air guide plate 101. The arrangement of the plurality of air guide holes 11 ensures that the incinerator 1 has sufficient and uniform air during combustion.

[0040] The inside of incinerator 1 is inputted with fuel by fuel inlet pipe 5 and air by air inlet pipe 6, and harmful gas generated during temporary storage of hazardous waste materials is inputted into the inside of incinerator 1 by air inlet pipe 4;When enough fuel is inputted into incinerator 1, igniter is inserted into the inside of incinerator 1 through fuel inlet pipe 5, and the fuel in incinerator 1 is ignited, and after ignition, the outlet end of fuel inlet pipe 5 is threadedly connected with blocking block 9.

[0041] The top of flue gas treatment tower 2 is provided with exhaust pipe 7. The bottom of flue gas treatment tower 2 has an opening;The bottom of flue gas treatment tower 2 is threadedly connected with bottom plate. The inside of flue gas treatment tower 2 is sequentially fixedly provided with filter plate 12, spray bottom plate 13, spray top plate 14, first air permeable plate 15, second air permeable plate 16, third air permeable plate 17 and fourth air permeable plate 18 from bottom to top.

[0042] The spray space is formed between filter plate 12 and spray bottom plate 13, and the first adsorption space is formed between first air permeable plate 15 and second air permeable plate 16;The second adsorption space is formed between second air permeable plate 16 and third air permeable plate 17;The third adsorption space is formed between third air permeable plate 17 and fourth air permeable plate 18.

[0043] The spray bottom plate 13 is provided with a spray liquid containing box 19, and a through hole is formed in the lower end of the spray liquid containing box 19. The lower end of the spray bottom plate 13 is fixedly provided with a liquid discharge pipe 20. The upper end of the liquid discharge pipe 20 and the through hole in the lower end of the spray liquid containing box 19 are in communication with each other, the lower end of the liquid discharge pipe 20 extending into the spray space is in communication with a liquid collecting chamber 21, and the lower end of the liquid collecting chamber 21 is in communication with a plurality of atomizing nozzles 22. The liquid discharge pipe 20 is provided with a valve and a driving pump, and the driving pump can be a water pump. A cover plate of the spray liquid containing box 19 is slidably arranged on the upper end surface of the spray liquid containing box 19, and the spray liquid containing box 19 contains a mixture of quicklime and water, and the mixture of quicklime and water forms a spray liquid.

[0044] The first air permeable plate 15 is provided with an activated carbon adsorption layer 23, the second air permeable plate 16 is provided with a zeolite adsorption layer 24, and the third air permeable plate 17 is provided with a resin adsorption layer 25. The resin adsorption layer 25 is a porous resin adsorption layer 25, and is an adsorption resin.

[0045] One side of the flue gas treatment tower 2 is fixedly provided with a gas conveying pipe 26, the lower end and the upper end of the gas conveying pipe 26 are in communication with the space between the top end of the spray space, the first air permeable plate 15 and the spray top plate 14, and the flue gas treatment tower 2 is provided with a through slot 27 corresponding to the positions of the third adsorption space, the second adsorption space, the first adsorption space, the spray space and the filter plate 12.

[0046] The maintenance plate 28 is integrally formed by a maintenance panel 282 and five maintenance protrusions 281 arranged on the maintenance panel 282, the five maintenance protrusions 281 are respectively matched and embedded in the five through slots 27 arranged on the other side of the flue gas treatment tower 2, and the maintenance panel 282 is attached to the outer wall of the flue gas treatment tower 2.

[0047] The first magnet block 29 is embedded in the inner side of the other side of the flue gas treatment tower 2, the second magnet block 30 is embedded in the inner side of the maintenance plate 28, and the first magnet block 29 and the second magnet block 30 are magnetically attracted to each other.

[0048] The gas inlet pipe 4 and the gas conveying pipe 26 are respectively provided with a driving pump, which can be a gas pump, and are respectively provided with a valve. The outer wall of the flue gas treatment tower 2 is provided with a controller 31. The output end of the controller 31 is electrically connected to the input end of all the valves, and the output end of the controller 31 is electrically connected to the input end of all the driving pumps.

[0049] Working principle: in the daily operation of the waste incineration power plant, the harmful gas generated in the storage process of the generated waste material is introduced into the incinerator 1 through the air inlet pipe 4 for combustion treatment. The harmful gas is a mixed gas containing multiple gas components. The combustible gas in the harmful gas is combusted by the incinerator 1 to remove the combustible gas. The flue gas generated in the incinerator 1 is transported to the flue gas treatment tower 2 through the flue gas pipe 3. The slag generated in the incinerator 1 falls on the bottom frame 8. When the slag accumulates to a certain amount, the bottom frame 8 can be disassembled and removed for cleaning.

[0050] The larger particles in the flue gas are removed by the filter plate 12. The acid gas, water-soluble gas in the flue gas is removed by the spray liquid. The volatile organic compounds, formaldehyde, benzene series, residual sulfur dioxide, ammonia and the like in the flue gas are removed by the activated carbon adsorption layer 23, the zeolite adsorption layer 24 and the resin adsorption layer 25. Thus, through the step-by-step treatment in the flue gas treatment tower 2, the clean gas is discharged through the exhaust pipe 7. Thus, the harmful gas generated by the temporary storage of the hazardous waste material is treated in time.

[0051] When the filter plate 12 or the activated carbon adsorption layer 23 or the zeolite adsorption layer 24 or the resin adsorption layer 25 needs to be replaced, or the spray liquid needs to be added in the spray liquid container 19, the maintenance plate 28 is extracted, and the new filter plate 12, activated carbon adsorption layer 23, zeolite adsorption layer 24, resin adsorption layer 25 and spray liquid are manually replaced without affecting the flue gas treatment in the flue gas treatment tower 2. After replacement, the maintenance plate 28 is re-embedded in the through groove 27, prolonging the service life of the flue gas treatment tower 2.

[0052] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto. Any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. An odor control system for a waste-to-energy incineration plant, comprising an incinerator and a flue gas treatment tower; the top of the incinerator and the bottom of the flue gas treatment tower are connected by a flue gas pipe; an air inlet pipe, a fuel inlet pipe, and an air inlet pipe are respectively provided on the side wall of the incinerator; an exhaust pipe is provided at the top of the flue gas treatment tower; characterized in that, The bottom end of the incinerator is provided with an opening; a bottom frame is detachably connected to the opening of the bottom end of the incinerator. The inside of the flue gas treatment tower is sequentially provided with a filter plate, a spraying bottom plate, a spraying top plate, a first gas permeable plate and a second gas permeable plate from bottom to top; the spraying space is formed between the filter plate and the spraying bottom plate, and the first adsorption space is formed between the first gas permeable plate and the second gas permeable plate; the spraying liquid containing box is arranged on the spraying bottom plate; the drainage pipe is fixedly arranged at the lower end of the spraying bottom plate; the upper end of the drainage pipe and the inside of the spraying liquid containing box are in communication with each other, and the lower end of the drainage pipe is in communication with the atomizing nozzles; the valve and the driving pump are arranged on the drainage pipe; the activated carbon adsorption layer is arranged on the first gas permeable plate; the gas conveying pipe is fixedly arranged on one side of the flue gas treatment tower; the lower end and the upper end of the gas conveying pipe are in communication with the top of the spraying space and the space between the first gas permeable plate and the spraying top plate, respectively; the through grooves are sequentially and throughly arranged on the other side of the flue gas treatment tower, corresponding to the positions of the first adsorption space, the spraying space and the filter plate; the maintenance plate is embedded in the three through grooves.

2. The odor control system for waste incineration power plants according to claim 1, characterized in that, The fuel inlet pipe is arranged to be inclined downward from the outside to the inside of the incinerator; the outlet end of the fuel inlet pipe is detachably provided with a plugging block.

3. The odor control system for waste incineration power plants according to claim 2, characterized in that, The inside of the incinerator is fixedly provided with the gas guide plate; The gas guide plate is integrally composed of the annular gas guide plate fixedly arranged on the inner wall of the incinerator and the longitudinal gas guide plates fixedly arranged on the upper ends of the two sides of the annular gas guide plate; The inside of the gas guide plate is a hollow structure; the longitudinal gas guide plate is provided with a plurality of gas guide holes through the annular gas guide plate from top to bottom; The air inlet pipe is in communication with the inside of the annular gas guide plate.

4. The odor control system for waste incineration power plants according to claim 3, characterized in that, The bottom frame is attached to the annular gas guide plate.

5. The odor control system for waste incineration power plants according to claim 1, characterized in that, The lower end of the drainage pipe extending into the spraying space is in communication with the liquid collecting chamber; the lower end of the liquid collecting chamber is in communication with the atomizing nozzles.

6. The odor control system for waste incineration power plants according to claim 1, characterized in that, The inside of the flue gas treatment tower is sequentially provided with a third gas permeable plate and a fourth gas permeable plate from bottom to top; the third gas permeable plate is arranged above the second gas permeable plate; the second gas permeable plate and the third gas permeable plate form the second adsorption space; the third gas permeable plate and the fourth gas permeable plate form the third adsorption space; The zeolite adsorption layer is arranged on the second gas permeable plate; the resin adsorption layer is arranged on the third gas permeable plate; The through grooves are sequentially and throughly arranged on the other side of the flue gas treatment tower, corresponding to the positions of the second adsorption space and the third adsorption space; the maintenance plate is integrally composed of the maintenance panel and the five maintenance protrusions arranged on the maintenance panel; the five maintenance protrusions are respectively embedded in the five through grooves arranged on the other side of the flue gas treatment tower; the maintenance panel is attached to the outer wall of the flue gas treatment tower.

7. The odor control system for waste incineration power plants according to claim 6, characterized in that, The first magnet block is embedded in the inside of the other side of the flue gas treatment tower; the second magnet block is embedded in the inside of the inner side of the maintenance plate; the first magnet block and the second magnet block are magnetically attracted to each other.

8. The odor control system for waste incineration power plants according to claim 1, characterized in that, The bottom end of the flue gas treatment tower is provided with an opening; a bottom plate is detachably connected to the opening of the bottom end of the flue gas treatment tower.

9. The odor control system for waste incineration power plants according to claim 1, characterized in that, The driving pumps are respectively arranged on the air inlet pipe and the gas conveying pipe; the valves are respectively arranged on the air inlet pipe and the gas conveying pipe.