CN211886107U - Garbage bin deodorization system of household garbage power plant - Google Patents

Garbage bin deodorization system of household garbage power plant Download PDF

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Publication number
CN211886107U
CN211886107U CN201922173470.9U CN201922173470U CN211886107U CN 211886107 U CN211886107 U CN 211886107U CN 201922173470 U CN201922173470 U CN 201922173470U CN 211886107 U CN211886107 U CN 211886107U
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garbage
normally closed
power plant
garbage bin
deodorization
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段周林
罗宇煊
邹新国
张传健
陈亮
缪祥毅
孔令兵
张麦青
夏尊羊
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Yunnan Solid Waste Investment Co ltd
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Yunnan Solid Waste Investment Co ltd
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Abstract

The utility model relates to a domestic waste power plant garbage storehouse deodorization system belongs to domestic waste deodorization technical field. The system is provided with a plurality of air outlets above a garbage pool; the air outlet is connected with one end of the normally closed electric butterfly valve; the other end of the normally closed electric butterfly valve is connected with a gas inlet of the activated carbon adsorption device; the gas outlet of the active carbon adsorption device is connected with one end of an electric air damper, and the other end of the electric air damper is connected with the gas inlet of the explosion-proof and corrosion-proof fan. Collect the foul smell in garbage bin extremely the utility model discloses among the deodorization system, through activated carbon adsorption purification, after reaching national emission standard, arrange through explosion-proof anticorrosive fan outward. The utility model discloses system deodorization purification efficiency is high, compact structure, and area is little, and is corrosion-resistant, and ageing-resistant performance is good, and the running cost is low, and operation, management, maintenance are simple and convenient.

Description

Garbage bin deodorization system of household garbage power plant
Technical Field
The utility model belongs to the technical field of the domestic waste deodorization, concretely relates to domestic waste power plant garbage storehouse deodorization system.
Background
Nowadays, people pay more attention to the odor pollution rapidly, and the odor pollution is listed as the seventh world pollution following atmospheric pollution, water body pollution, soil pollution, noise pollution, vibration and ground subsidence. The odor pollution and the noise pollution belong to the sense public hazard, but the noise pollution is harmful to the human hearing, and the odor pollution is the public hazard to the human olfactory sensation. All the gas substances which can stimulate the olfactory organs of people to cause unpleasant or aversive feeling and damage the living environment and harm the health of human bodies are malodorous pollutants.
The malodorous pollution source of the garbage incineration plant mainly comes from garbage piles in the garbage pool and percolate in the percolate collecting pool. The diffusion path of the malodorous pollutants is mainly leakage in the gas conveying process in the garbage pool, gas emission in the furnace blowing-out process, and the like after garbage trucks enter a factory.
When the machine set normally operates, in order to prevent the diffusion of stink in the garbage bin and the unloading hall, negative pressure is kept in the garbage bin and the unloading hall. The air containing the odor substances is sucked out from an air suction opening arranged in the garbage bin by a primary fan of the incinerator and is sent into the incinerator from a slag hopper at the bottom of a fire grate as combustion air, and the odor pollutants are combusted, oxidized and decomposed in the high-temperature incinerator. Meanwhile, the primary fan extracts a large amount of air in the garbage bin and the discharging hall, so that the negative pressure state of the garbage bin and the discharging hall is maintained, the air in the garbage bin and the discharging hall is prevented from escaping outwards through gaps, and the air quality of the region where the waste incineration power plant is located is ensured.
The following problems exist in the operation period of the current household garbage power plant:
1. a large amount of garbage is stored in the garbage bin, and odor containing hydrogen sulfide, ammonia gas, methyl mercaptan and other components can be generated;
2. when the incinerator is stopped for maintenance, odor is gathered and overflowed in the air, which greatly affects office environment and surrounding residential areas and pollutes the environment;
3. the untreated odor can not meet the national environmental protection requirements.
Therefore, how to overcome the defects of the prior art is a problem which needs to be solved urgently in the technical field of household garbage deodorization at present.
SUMMERY OF THE UTILITY MODEL
The invention aims to solve the problems that the odor of a garbage bin leaks out and pollutes the environment when a household garbage power plant stops burning, and provides a garbage bin deodorization system of a household garbage power plant. The deodorization system has the advantages of high purification efficiency, compact structure, small occupied area, corrosion resistance, good aging resistance, low operation cost and simple and convenient operation, management and maintenance.
In order to achieve the above object, the utility model adopts the following technical scheme:
a garbage bin deodorization system of a household garbage power plant is characterized in that a plurality of air outlets are formed above a garbage pool;
the air outlet is connected with one end of the normally closed electric butterfly valve;
the other end of the normally closed electric butterfly valve is connected with a gas inlet of the activated carbon adsorption device;
the gas outlet of the active carbon adsorption device is connected with one end of an electric air damper, and the other end of the electric air damper is connected with the gas inlet of the explosion-proof and corrosion-proof fan.
Preferably, the air outlet is made of stainless steel.
Further, preferably, the air outlet is in a mesh shape.
Further, preferably, the normally closed electric butterfly valve, the activated carbon adsorption device and the electric damper are all arranged between the deodorization devices.
Further, preferably, the device also comprises a normally closed fire damper and a high-temperature resistant smoke exhaust axial flow fan; the air outlet is also connected with one end of a normally closed fire damper, and the other end of the normally closed fire damper is connected with a high-temperature resistant smoke exhaust axial flow fan.
Further, preferably, a plurality of air outlets are uniformly distributed above the garbage pool.
Further, it is preferable that a plurality of normally open fire valves are provided on a connection pipe between the air outlet and the normally closed electric butterfly valve.
When emergent deodorization, through the utility model discloses the system, the foul gas that the garbage bin produced adsorbs the purification back through active carbon adsorption device to reach the environmental protection
Activated carbon, a material with a porous structure and a large internal specific surface area. The adsorbent is a unique multifunctional adsorbent due to large specific surface area, microporous structure, high adsorption capacity and high surface activity.
The active carbon adsorption device is the existing equipment, the specific structure of the active carbon adsorption device is not limited, and the active carbon in the device can be replaced periodically in the using process.
The adsorption phenomenon is a phenomenon which occurs at two different interfaces, and the adsorption process is a diffusion process on the interfaces and is adsorption which occurs on the surface of the solid, which is caused by the residual attractive force on the surface of the solid. Adsorption can be divided into physical adsorption and chemical adsorption; physical adsorption, also known as van der waals adsorption, is caused by physical adsorption due to electrostatic or van der waals forces between the adsorbent and the adsorbate molecules, and is an exothermic process when the molecular attraction between a solid and a gas is greater than the attraction between gas molecules, gas molecules condense on the surface of the solid even if the pressure of the gas is below the saturation vapor pressure corresponding to the operating temperature. Chemisorption, also known as activated carbon adsorption, is due to the anthropogenic reactivity between the adsorbent surface and the adsorbate molecule resulting in chemisorption, which involves the destruction and recombination of chemical bonds in the molecule, and therefore the heat of adsorption is greater in the chemisorption process than in the physisorption process. In adsorption processes, there is no strict boundary between physisorption and chemisorption, and the same species may physisorb at lower temperatures and tend to chemisorb at higher temperatures. The activated carbon fiber adsorption is mainly physical adsorption, but has a certain chemical adsorption effect due to the existence of a surfactant.
Compared with the prior art, the utility model, its beneficial effect does:
the utility model discloses deodorization system novel structure can carry out effectual deodorization to domestic waste power plant garbage storehouse, and purification efficiency is high, compact structure, and area is little, and is corrosion-resistant, and ageing-resistant can be good, and the running cost is low, and operation, management, maintenance are simple and convenient, easily popularization and application.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic structural view of a garbage bin deodorizing system of a household garbage power plant of the present invention;
wherein, 1, air outlet; 2. a normally closed fire damper; 3. a high temperature resistant smoke exhaust axial flow fan; 4. a normally closed electric butterfly valve; 5. an activated carbon adsorption unit; 6. an electric damper; 7. explosion-proof anticorrosive fan.
Detailed Description
The present invention will be described in further detail with reference to examples.
It will be appreciated by those skilled in the art that the following examples are illustrative of the invention only and should not be taken as limiting the scope of the invention. The specific techniques, connections, conditions, or the like, which are not specified in the examples, are performed according to the techniques, connections, conditions, or the like described in the literature in the art or according to the product specification. The materials, instruments or equipment are not indicated by manufacturers, and all the materials, instruments or equipment are conventional products which can be obtained by purchasing.
As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
In the description of the present invention, "a plurality" means two or more unless otherwise specified. The terms "inner," "upper," "lower," and the like, refer to an orientation or a state relationship based on that shown in the drawings, which is for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "provided" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. To those of ordinary skill in the art, the specific meaning of the above terms in the present invention is understood according to the specific situation.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
Example 1
As shown in fig. 1, a garbage bin deodorization system of a domestic garbage power plant is provided, wherein a plurality of air outlets 1 are arranged above a garbage pool;
the air outlet 1 is connected with one end of a normally closed electric butterfly valve 4;
the other end of the normally closed electric butterfly valve 4 is connected with a gas inlet of an active carbon adsorption device 5;
the gas outlet of the active carbon adsorption device 5 is connected with one end of an electric adjusting air door 6, and the other end of the electric adjusting air door 6 is connected with the gas inlet of an explosion-proof and corrosion-proof fan 7.
Preferably, the air outlet 1 is made of stainless steel and is in a grid shape.
The normally closed electric butterfly valve 4, the activated carbon adsorption device 5 and the electric air damper 6 are all arranged among the deodorization device.
Example 2
As shown in fig. 1, a garbage bin deodorization system of a domestic garbage power plant is provided, wherein a plurality of air outlets 1 are arranged above a garbage pool;
the air outlet 1 is connected with one end of a normally closed electric butterfly valve 4;
the other end of the normally closed electric butterfly valve 4 is connected with a gas inlet of an active carbon adsorption device 5;
the gas outlet of the active carbon adsorption device 5 is connected with one end of an electric adjusting air door 6, and the other end of the electric adjusting air door 6 is connected with the gas inlet of an explosion-proof and corrosion-proof fan 7.
Preferably, the air outlet 1 is made of stainless steel and is in a grid shape, and the air outlets 1 are uniformly distributed above the garbage pool.
The normally closed electric butterfly valve 4, the activated carbon adsorption device 5 and the electric air damper 6 are all arranged among the deodorization device.
The device also comprises a normally closed fire damper 2 and a high-temperature resistant smoke exhaust axial flow fan 3; the air outlet 1 is also connected with one end of a normally closed fire damper 2, and the other end of the normally closed fire damper 2 is connected with a high-temperature resistant smoke exhaust axial flow fan 3.
Preferably, a plurality of normally open fire valves 8 are arranged on a connecting pipeline between the air outlet 1 and the normally closed electric butterfly valve 4. As shown in fig. 1, 3 normally open fire valves 8 are provided, which are respectively located at the place where the connecting pipeline goes out of the garbage bin, the place where the connecting pipeline enters the deodorizing device, and in front of the bifurcation port of the connecting pipeline (after bifurcation, one way is connected with the normally closed fire valve 2, and the other way is connected with the normally closed electric butterfly valve 4).
A household garbage power plant garbage bin deodorization method adopts the household garbage power plant garbage bin deodorization system and comprises the following steps:
step S1, collecting odor: opening the normally closed electric butterfly valve 4, starting the explosion-proof anticorrosive fan 7, establishing negative pressure, extracting odor from the garbage bin through the air outlet 1, and adjusting the extracted odor amount by adjusting the opening degree of the electric air damper 6;
step S2, activated carbon adsorption: the odor enters an active carbon adsorption device 5, the active carbon is a material with a porous structure and a large internal specific surface area, and the odor elements such as hydrogen sulfide, ammonia gas, methyl mercaptan and the like in the odor are adsorbed and purified;
step S3, emission reaching the standard: after the pollutant concentration index of the treated waste gas reaching the standard reaches the secondary emission standard in the emission standard of malodorous pollutants (GB 14554-93), the waste gas can be discharged through a chimney;
step S4, fire control and smoke discharge of the garbage bin: when a fire disaster occurs in the garbage bin, the normally closed fire prevention valve 2 is opened, and the high-temperature resistant smoke exhaust axial flow fan 3 is started to perform fire protection and smoke exhaust on the garbage bin.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (7)

1. A garbage bin deodorization system of a household garbage power plant is characterized in that a plurality of air outlets (1) are arranged above a garbage pool;
the air outlet (1) is connected with one end of a normally closed electric butterfly valve (4);
the other end of the normally closed electric butterfly valve (4) is connected with a gas inlet of the activated carbon adsorption device (5);
the gas outlet of the active carbon adsorption device (5) is connected with one end of the electric adjusting air door (6), and the other end of the electric adjusting air door (6) is connected with the gas inlet of the explosion-proof and corrosion-proof fan (7).
2. The garbage bin deodorization system of a household garbage power plant according to claim 1, wherein the air outlet (1) is made of stainless steel.
3. The garbage bin deodorizing system of a household garbage power plant according to claim 1, characterized in that said air outlet (1) is shaped as a grid.
4. The garbage bin deodorization system of a household garbage power plant as defined in claim 1, wherein the normally closed electric butterfly valve (4), the activated carbon adsorption device (5) and the electric damper (6) are all arranged between the deodorization devices.
5. The household garbage power plant garbage bin deodorization system according to claim 1, further comprising a normally closed fire damper (2) and a high temperature resistant smoke exhaust axial flow fan (3); the air outlet (1) is also connected with one end of a normally closed fire damper (2), and the other end of the normally closed fire damper (2) is connected with a high-temperature resistant smoke exhaust axial flow fan (3).
6. The garbage bin deodorizing system of a household garbage power plant according to claim 1, characterized in that the plurality of air outlets (1) are evenly arranged above the garbage pool.
7. The garbage bin deodorization system of a household garbage power plant according to claim 1, characterized in that a plurality of normally open fire valves (8) are arranged on a connection pipeline between the air outlet (1) and the normally closed electric butterfly valve (4).
CN201922173470.9U 2019-12-06 2019-12-06 Garbage bin deodorization system of household garbage power plant Active CN211886107U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110975518A (en) * 2019-12-06 2020-04-10 云南固废投资有限公司 Deodorizing system and deodorizing method for garbage bin of household garbage power plant

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110975518A (en) * 2019-12-06 2020-04-10 云南固废投资有限公司 Deodorizing system and deodorizing method for garbage bin of household garbage power plant

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