CN112915745A - Semi-open type plant deodorization system - Google Patents

Semi-open type plant deodorization system Download PDF

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Publication number
CN112915745A
CN112915745A CN202110077106.1A CN202110077106A CN112915745A CN 112915745 A CN112915745 A CN 112915745A CN 202110077106 A CN202110077106 A CN 202110077106A CN 112915745 A CN112915745 A CN 112915745A
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China
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adsorption layer
gas
semi
layer
deodorization system
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CN202110077106.1A
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Chinese (zh)
Inventor
邓盾
马现永
刘志昌
容庭
李家洲
田志梅
崔艺燕
鲁慧杰
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Institute of Animal Science of Guangdong Academy of Agricultural Sciences
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Institute of Animal Science of Guangdong Academy of Agricultural Sciences
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Priority to CN202110077106.1A priority Critical patent/CN112915745A/en
Publication of CN112915745A publication Critical patent/CN112915745A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/84—Biological processes
    • B01D53/85—Biological processes with gas-solid contact
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/66—Regeneration of the filtering material or filter elements inside the filter
    • B01D46/70—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter
    • B01D46/72—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter with backwash arms, shoes or nozzles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/48—Sulfur compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/48—Sulfur compounds
    • B01D53/52—Hydrogen sulfide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/54—Nitrogen compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/54—Nitrogen compounds
    • B01D53/58—Ammonia
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/72—Organic compounds not provided for in groups B01D53/48 - B01D53/70, e.g. hydrocarbons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/75—Multi-step processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/77—Liquid phase processes
    • B01D53/78—Liquid phase processes with gas-liquid contact
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/96—Regeneration, reactivation or recycling of reactants
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/95—Specific microorganisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2258/00—Sources of waste gases
    • B01D2258/02—Other waste gases
    • B01D2258/0266—Other waste gases from animal farms
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Molecular Biology (AREA)
  • Sustainable Development (AREA)
  • Treating Waste Gases (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)

Abstract

The invention relates to a semi-open type deodorizing system for a farm, which comprises a breeding room, wherein the breeding room is provided with an air inlet; the treatment wall comprises a wall body, an adsorption layer and a dust separation net, wherein one side of the wall body is provided with a gas outlet, the gas outlet is connected with a gas inlet through a pipeline, the adsorption layer is positioned on one side of the gas inlet, which is far away from the wall body, the surface of the adsorption layer is coated with alcaligenes faecalis, when gas passes through the adsorption layer, the gas reacts with the alcaligenes faecalis, and the dust separation net is positioned on one side of the adsorption layer, which is far away from the gas inlet; the utility model provides a spray mechanism, spray mechanism includes shower nozzle, water catch bowl and water pump, and the shower nozzle is located separate the dirt net and keep away from one side of adsorbed layer, the shower nozzle orientation separate the dirt net, the water catch bowl is located under the shower nozzle, water catch bowl and water pump are connected with the pipeline, and the treatment wall can directly set up near breeding the room, and the design of wall body can reduce whole treatment wall and spray mechanism's occupation space, and ensures that the foul smell can fully handle.

Description

Semi-open type plant deodorization system
Technical Field
The invention relates to the technical field of cultivation waste treatment, in particular to a semi-open type deodorization system for a farm.
Background
Plant is breeding the in-process, and the livestock can produce a large amount of fecaluria unavoidably, and the fecaluria can give out a large amount of foul smell, if directly arrange these foul smell to the atmosphere, can cause the pollution to the air, current foul smell treatment facility can occupy a large amount of spaces however, to some miniature plants, hardly vacate a large amount of spaces and go to lay foul smell treatment facility, can only directly discharge the foul smell to the outside for reduction in production cost.
Disclosure of Invention
The present invention is directed to a semi-open type farm deodorization system to solve the above problems.
In order to achieve the purpose, the invention adopts the following technical scheme: a semi-open type farm deodorization system comprises an air inlet pipe, a water inlet pipe and a water outlet pipe, wherein the air inlet pipe is used for inputting gas to be treated; (ii) a The treatment wall comprises a wall body, an adsorption layer and a dust separation net, wherein a gas outlet is formed in one surface of the wall body, a gas inlet pipe penetrates through the adsorption layer and the dust separation net, the gas outlet is positioned on the gas inlet pipe, the adsorption layer is positioned on one side, away from the wall body, of the gas inlet, alcaligenes faecalis coated on the surface of the adsorption layer, when gas passes through the adsorption layer, the gas reacts with the alcaligenes faecalis, and the dust separation net is positioned on one side, away from the gas inlet, of the adsorption layer; the spraying mechanism comprises a spray head, a water collecting tank and a water pump, the spray head is located on one side, away from the adsorption layer, of the dust isolating net, the spray head faces towards the dust isolating net, the water collecting tank is located under the spray head, and the spray head, the water collecting tank and the water pump are connected through a pipeline.
Furthermore, a deodorizing liquid is filled in the water collecting tank, the spray head is used for spraying the deodorizing liquid, and the deodorizing liquid is a mixture of citric acid, lactic acid and lactic acid bacteria fermentation products.
Further, a slope is arranged below the adsorption layer, and the lowest position of the slope is connected with the top end of the water collecting tank.
Furthermore, one side of the water collecting tank is provided with a cleaning mechanism, the cleaning mechanism comprises a connecting rod and a spraying head, the spraying head can be hinged to the connecting rod in a vertically rotating mode, the connecting rod is of a hollow structure and is communicated with the water collecting tank, and the spraying head faces towards the dust separation net.
Further, one side of the water collecting tank is provided with an odor sensor and an alarm, and when the odor sensor detects odor, the alarm gives an alarm.
Furthermore, an air transmission pipe network is arranged between the adsorption layer and the wall body, the air transmission pipe network is connected with the air inlets through pipelines, and the air outlets are distributed on the air transmission pipe network.
Furthermore, the adsorption layer is honeycomb-shaped, the adsorption layer is provided with a plurality of grids, and the inner surface of each grid is coated with a layer of alcaligenes faecalis.
Further, the adsorbed layer is the box structure, the adsorbed layer is equipped with air intake and air outlet, the air intake with the air outlet is located respectively the two sides that the adsorbed layer is relative, be equipped with a plurality of baffles that interlock each other in the adsorbed layer, the internal surface of adsorbed layer scribbles one deck alcaligenes faecalis produced, the air outlet orientation the dust separation net, as gaseous entering behind the air intake, reachs through a plurality of baffles the air outlet.
The invention has the beneficial effects that: the treatment wall can be directly arranged near the culture room, the design of the wall body can reduce the occupied space of the whole treatment wall and the spraying mechanism, and the odor can be fully treated.
Drawings
The figures further illustrate the invention, but the examples in the figures do not constitute any limitation of the invention.
FIG. 1 is a schematic structural diagram according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of one embodiment of an adsorbent layer;
fig. 3 is a schematic structural view of another embodiment of an adsorption layer.
Detailed Description
As shown in fig. 1, a semi-open type farm deodorization system according to an embodiment of the present invention includes an air inlet pipe, a treatment wall 2, and a spraying mechanism 3, the air inlet pipe is connected to a farm, the farm 1 is a conventional livestock farm, the farm 1 is provided with an air inlet 4, and odor generated during the breeding process in the farm 1 is transmitted to the air inlet pipe through the air inlet 4, and the odor mainly includes ammonia gas, hydrogen sulfide, sulfuric acid, thioether, and nitrogen-containing aromatic hydrocarbons (3-methylindole and indole). The treatment wall 2 comprises a wall body 5, an adsorption layer 6 and a dust-proof net 7, one side of the wall body 5 is provided with an air outlet, the air inlet pipe penetrates through the adsorption layer 6 and the dust separation net 7, the air outlet is positioned on the air inlet pipe, the odor generated by the culture room 1 reaches the air outlet from the air inlet 4 through the air inlet pipe, the adsorption layer 6 is positioned at one side of the air inlet 4 far away from the wall body 5, the surface of the adsorption layer 6 is coated with alcaligenes faecalis, when the gas passes through the adsorption layer 6, the gas reacts with the alcaligenes faecalis, harmful gas in odor is removed by the alcaligenes faecalis, and the odor of the odor is reduced, and the alcaligenes faecalis can degrade 3-methylindole, indole, cresol and other undegradable odor components in the odor, remove 90 percent of indole and 3-methylindole in the odor, and remove sulfur-containing odor components.
As shown in fig. 1, the dust-proof net 7 is located on the side of the adsorption layer 6 away from the air inlet 4, and the dust-proof net 7 is used for blocking dust and PM2.5 particles in the air. The spraying mechanism 3 comprises a spray head 8, a water collecting tank 9 and a water pump 10, wherein the spray head 8 is positioned on one side, away from the adsorption layer 6, of the dust separation net 7, the spray head 8 faces the dust separation net 7, the water collecting tank 9 is positioned under the spray head 8, and the spray head 8, the water collecting tank 9 and the water pump 10 are connected through a pipeline. The water collecting tank 9 is filled with deodorant liquid, the deodorant liquid is a mixture of citric acid, lactic acid and lactic acid bacteria fermentation products, the component ratio of the citric acid, the lactic acid and the lactic acid bacteria fermentation products is 8:2:1, and the spray head 8 is used for spraying the deodorant liquid. The foul smell process 6 deodorization of adsorbed layer is detoxified after, follow dust barrier net 7 comes out the back, utilizes 8 spouts deodorant liquid that the shower nozzle comes, further with remaining harmful gas reaction in the foul smell, wherein 99% ammonia in the deodorant liquid can absorb the foul smell, reduces the foul smell and the harmful substance of foul smell, in addition, 8 spouts deodorant liquid that the shower nozzle comes can also wash dust and PM2.5 granule of depending on the dust barrier net 7, and the deodorant liquid after the washing flows downwards and falls into in water catch bowl 9, again by water pump 10 drives, follows through the pipeline 8 spouts of shower nozzle for deodorant liquid can used repeatedly, reduces use cost and ambient pressure. In addition, the treatment wall 2 can be directly arranged near the culture room 1, the design of the wall body 5 can reduce the occupied space of the whole treatment wall 2 and the spraying mechanism 3, and ensure that the odor can be fully treated. A slope is arranged below the adsorption layer 6, the lowest part of the slope is connected with the top end of the water collecting tank 9, and when the deodorization liquid sprayed by the spray head 8 falls on the adsorption layer 6, the deodorization liquid can flow back to the water collecting tank 9 along the adsorption layer 6 and the slope. Compared with the traditional deodorization system, the deodorization liquid, the adsorption layer and the alcaligenes faecalis are not in the completely sealed tank body, but in a semi-open environment, and the odor treatment process can be carried out outside the deodorization system or inside the deodorization system.
As shown in fig. 1, a cleaning mechanism is arranged on one side of the water collecting tank 9, the cleaning mechanism comprises a connecting rod 11 and a spray head 12, the spray head 12 is hinged on the connecting rod 11 in a vertically rotatable manner, the connecting rod 11 is of a hollow structure, the connecting rod 11 is communicated with the water collecting tank 9, and the spray head 12 faces the dust separation net 7. The bottom of connecting plate is equipped with small-size suction pump 10, utilizes small-size suction pump 10 to take out the deodorant liquid of water catch bowl 9 to sprinkler 12, and sprinkler 12 spouts deodorant liquid on dust screen 7 again to wash dust screen 7, and sprinkler 12 can overturn from top to bottom, thereby ensures that dust screen 7 can the sanitization. One side of water catch bowl 9 is equipped with stink sensor 13 and siren, works as when stink sensor 13 detects the stink, the siren reports to the police, makes things convenient for the staff in time to receive the police dispatch newspaper and gets rid of the problem rapidly, reduces environmental pollution.
As shown in fig. 1-2, in one embodiment, a gas transmission pipe network 15 is disposed between the adsorption layer 6 and the wall 5, the gas transmission pipe network 15 is connected to the gas inlet 4 through a pipe, a plurality of gas outlets are distributed on the gas transmission pipe network 15, and the gas transmission pipe network 15 is used to output odor, so that the odor is uniformly emitted and conveniently reacts with the adsorption layer 6. The adsorbed layer 6 is cellular, the adsorbed layer 6 is equipped with a plurality of check, and the internal surface of every check scribbles one deck alcaligenes faecalis, and 6 sound construction of adsorbed layer can be ensured to the cellular structure, and the cellular check can enlarge the area of contact of alcaligenes faecalis with the foul smell, promotes the treatment effeciency of foul smell.
As shown in fig. 3, in another embodiment, the adsorption layer 6 is a box structure, the adsorption layer 6 is provided with an air inlet 16 and an air outlet 17, the air inlet 16 and the air outlet 17 are respectively located on two opposite sides of the adsorption layer 6, a plurality of partitions 14 are arranged in the adsorption layer 6 and are staggered with each other to form a labyrinth channel, the air outlet 17 faces the dust separation net 7, and after the odor enters the air inlet 16 from the air outlet, the odor can reach the air outlet 17 through the partitions 14 in the labyrinth channel, wherein the inner surface of the adsorption layer 6 is coated with a layer of alcaligenes, and the labyrinth channel is utilized to increase the space for the reaction between the alcaligenes and the odor, thereby reducing the harmful substances and odor in the odor to a greater extent.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (8)

1. A semi-open farm deodorization system, comprising:
the gas inlet pipe is used for inputting gas to be treated;
the treatment wall comprises a wall body, an adsorption layer and a dust separation net, wherein a gas outlet is formed in one surface of the wall body, a gas inlet pipe penetrates through the adsorption layer and the dust separation net, the gas outlet is positioned on the gas inlet pipe, the adsorption layer is positioned on one side, away from the wall body, of the gas inlet, alcaligenes faecalis coated on the surface of the adsorption layer, when gas passes through the adsorption layer, the gas reacts with the alcaligenes faecalis, and the dust separation net is positioned on one side, away from the gas inlet, of the adsorption layer;
the spraying mechanism comprises a spray head, a water collecting tank and a water pump, the spray head is located on one side, away from the adsorption layer, of the dust isolating net, the spray head faces towards the dust isolating net, the water collecting tank is located under the spray head, and the spray head, the water collecting tank and the water pump are connected through a pipeline.
2. The semi-open farm deodorization system according to claim 1, wherein: the deodorizing device is characterized in that deodorizing liquid is filled in the water collecting tank, the spray head is used for spraying the deodorizing liquid, and the deodorizing liquid is a mixture of citric acid, lactic acid and lactic acid bacteria fermentation products.
3. The semi-open farm deodorization system according to claim 1, wherein: the below on adsorbed layer is equipped with the slope, the lowest on slope with the top of water catch bowl is connected.
4. The semi-open farm deodorization system according to claim 1, wherein: one side of the water collecting tank is provided with a cleaning mechanism, the cleaning mechanism comprises a connecting rod and a spraying head, the spraying head can be hinged to the connecting rod in a vertically rotating mode, the connecting rod is of a hollow structure and is communicated with the water collecting tank, and the spraying head faces towards the dust isolating net.
5. The semi-open farm deodorization system according to claim 1, wherein: one side of water catch bowl is equipped with stink sensor and siren, works as the stink sensor detects the stink, the siren reports to the police.
6. The semi-open farm deodorization system according to claim 1, wherein: and a gas transmission pipe network is arranged between the adsorption layer and the wall body, the gas transmission pipe network is connected with the gas inlets through pipelines, and a plurality of gas outlets are distributed on the gas transmission pipe network.
7. The semi-open farm deodorization system according to claim 6, wherein: the adsorption layer is honeycomb-shaped, the adsorption layer is provided with a plurality of lattices, and the inner surface of each lattice is coated with a layer of alcaligenes faecalis.
8. The semi-open farm deodorization system according to claim 1, wherein: the adsorbed layer is the box structure, the adsorbed layer is equipped with air intake and air outlet, the air intake with the air outlet is located respectively the two sides that the adsorbed layer is relative, be equipped with a plurality of baffles that interlock each other in the adsorbed layer, the internal surface of adsorbed layer scribbles one deck alcaligenes faecalis, the air outlet orientation the dust separation net, as gaseous entering behind the air intake, reachs through a plurality of baffles the air outlet again.
CN202110077106.1A 2021-01-20 2021-01-20 Semi-open type plant deodorization system Pending CN112915745A (en)

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