CN113413755A - Working system and working method for treating VOC (volatile organic compounds) through biological method - Google Patents
Working system and working method for treating VOC (volatile organic compounds) through biological method Download PDFInfo
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- CN113413755A CN113413755A CN202110830141.6A CN202110830141A CN113413755A CN 113413755 A CN113413755 A CN 113413755A CN 202110830141 A CN202110830141 A CN 202110830141A CN 113413755 A CN113413755 A CN 113413755A
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- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000010170 biological method Methods 0.000 title claims abstract description 9
- 238000000746 purification Methods 0.000 claims abstract description 112
- 238000005507 spraying Methods 0.000 claims abstract description 52
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 115
- 238000001556 precipitation Methods 0.000 claims description 27
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- 239000012528 membrane Substances 0.000 claims description 20
- 238000007789 sealing Methods 0.000 claims description 19
- 239000007921 spray Substances 0.000 claims description 16
- 238000002347 injection Methods 0.000 claims description 10
- 239000007924 injection Substances 0.000 claims description 10
- 239000000126 substance Substances 0.000 claims description 10
- 239000013049 sediment Substances 0.000 claims description 6
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- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
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- 238000009434 installation Methods 0.000 claims 1
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- 230000009286 beneficial effect Effects 0.000 abstract description 3
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Images
Classifications
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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
-
- 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
- B01D53/14—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 by absorption
- B01D53/1487—Removing organic 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
- B01D53/14—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 by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
-
- 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
- B01D53/38—Removing components of undefined structure
- B01D53/44—Organic components
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/708—Volatile organic compounds V.O.C.'s
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
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- 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
Abstract
The invention discloses a working system and a working method for treating VOC (volatile organic compounds) by a biological method, wherein the working system comprises the following steps: the bearing bottom plate, the one end fixed mounting of bearing bottom plate upper surface has first subassembly, the front of first subassembly is connected with the second subassembly, the front of second subassembly is connected with the third subassembly, the front of third subassembly is connected with the fourth subassembly, the positive top fixed mounting of fourth subassembly has the purification blast pipe, the front of fourth subassembly is provided with the fifth subassembly, first subassembly is including purifying the connector. The invention has the beneficial effects that: according to the invention, the purification component, the first spraying component and the second spraying component are used for carrying out purification treatment on the VOC gas for three times, the VOC is absorbed by the microorganism group, the overall treatment effect is better, the purification degree of the VOC is higher, and meanwhile, the purified gas is treated again through the purification exhaust pipe and then directly discharged, so that the possibility of gas pollution is reduced.
Description
Technical Field
The invention relates to a working system for VOC treatment, in particular to a working system and a working method for VOC treatment by a biological method, and belongs to the technical field of VOC treatment.
Background
VOCs are acronyms for volatile organic compounds (volatile organic compounds). VOCs in the general sense are commanding organic matters; but the definition in the environmental protection sense refers to an active class of volatile organic compounds, namely, volatile organic compounds which can cause harm.
The volatile organic compound refers to an organic substance with a saturated vapor pressure of over 70.91Pa or a boiling point of less than 260 ℃ at room temperature, such as aromatic hydrocarbon, aliphatic hydrocarbon, halogenated hydrocarbon, oxygenated hydrocarbon and the like, and is the most common pollutant discharged by industries of petrochemical industry, pharmacy, printing, building materials, spraying and the like. Which is intermediate to the volatile nature of VOC gases, is typically handled in a sealed environment when handling VOC gases. However, existing VOC gas treatment uses end-point control techniques. The existing VOC gas treatment mode is generally divided into a physical method for recovering VOC and a biochemical reaction for oxidizing and decomposing the VOC into non-toxic or low-toxic substances. In the existing VOC gas treatment process, the treatment efficiency is not high, and the emission is inconvenient.
Disclosure of Invention
The present invention has been made to solve the above problems, and an object of the present invention is to provide a working system and a working method for treating VOCs by a biological method.
The invention achieves the above-mentioned purpose through the following technical scheme, through the work system of biological method treatment VOC, including:
the device comprises a bearing bottom plate, a first assembly is fixedly mounted at one end of the upper surface of the bearing bottom plate, the front surface of the first assembly is connected with a second assembly, the front surface of the second assembly is connected with a third assembly, the front surface of the third assembly is connected with a fourth assembly, a purification exhaust pipe is fixedly mounted at the top of the front surface of the fourth assembly, and a fifth assembly is arranged at the front surface of the fourth assembly;
the first component comprises a purification connecting body, the back of the purification connecting body is fixedly connected with an air inlet pipeline, one side of the purification connecting body is fixedly provided with a purification component, and the bottom of the purification connecting body is fixedly connected with a purification support body;
the second assembly comprises a first spraying assembly, a first connecting assembly is fixedly mounted at the bottom end of the first spraying assembly, and a first precipitation assembly is fixedly mounted at the bottom end of the first connecting assembly;
the third assembly comprises a second spraying assembly, a second connecting assembly is fixedly mounted at the bottom end of the second spraying assembly, and a second settling assembly is fixedly mounted at the bottom end of the second connecting assembly;
and the fourth component comprises a third connecting component, and a third precipitation component is fixedly mounted at the bottom end of the third connecting component.
Preferably, purify the subassembly and include the location body, one side fixedly connected with spacing body of the location body, one side fixed mounting that the spacing body is close to the location body has the VOC purifying plate, the VOC purifying plate includes two first purifying plates, two the equidistance is provided with a plurality of second purifying plates between the first purifying plate.
Preferably, first connecting element includes the first connector, the first connector of back fixedly connected with, the first draw-in groove that sprays has been seted up on the top of the first connector, first air channel and first seal groove have been seted up in the front of the first connector, first guiding gutter has been seted up to the bottom cell wall of first air channel.
Preferably, first sediment subassembly includes first settling tank, first connecting slot has been seted up on the top of first settling tank, the middle part fixed mounting of first settling tank inner chamber has first biological filter, the first closing plate of one side fixedly connected with of first biological filter, first sediment collecting pit is installed to the bottom of first settling tank inner chamber, one side fixedly connected with second closing plate of first sediment collecting pit, first overflow launder has been seted up to the bottom of first settling tank one side, the inside fixed mounting of first overflow launder has first purification body.
Preferably, the second connecting assembly is identical in structure to the first connecting assembly, and the second settling assembly is identical in structure to the first settling assembly.
Preferably, the third coupling assembling includes the third connector, a third air channel has been seted up at the back of third connector, the bottom fixedly connected with of third connector goes into the water, the positive integrated into one piece that goes into the water has the exhaust body, the air discharge groove has been seted up to the bottom of exhaust body, the positive fixedly connected with exhaust connecting pipe of third connector.
Preferably, the third precipitation assembly comprises a third precipitation tank, a third connecting clamping groove is formed in the top end of the third precipitation tank, a water injection nozzle is fixedly connected to the top of one side of the third precipitation tank, a third overflow groove is formed in the middle of one side of the third precipitation tank, a third purifying body is fixedly mounted inside the third overflow groove, and a sealing mounting block is fixedly mounted at the bottom of one side of the third precipitation tank.
Preferably, the purification exhaust pipe is fixedly connected with the exhaust connecting pipe, and a fourth purification body and a fifth purification body are fixedly installed in the purification exhaust pipe.
Preferably, the fifth component comprises a water storage tank, one side of the top end of the water storage tank is fixedly provided with a water suction pump and a water inlet pipe, and the water suction pump is connected with the first spraying component and the second spraying component through a connecting water pipe. The working method of the VOC treatment working system through the biological method comprises the following steps:
implementing the step one;
the VOC gas enters an air inlet pipeline, then enters a space between the VOC purification plates, is primarily purified through activated sludge in the first purification plate and the second purification plate, and then enters the second assembly through the vent groove;
implementing the second step;
the primarily purified VOC gas enters the first vent groove, and the first spraying assembly sprays water flow through the spraying holes to absorb substances in the VOC gas;
the water flow for absorbing the VOC gas falls into the first sedimentation tank, firstly falls onto the first biological filter plate, the VOC in the water flow is absorbed through the biological membrane, the old membrane on the outer surface of the biological membrane falls into the first sedimentation collection tank under the impact of the water flow, when the sedimentary water flow is accumulated to a certain height, the sedimentary water flow is discharged through the first overflow groove, and the discharged water flow is purified through the first purification body and discharged out of the first sedimentation tank;
carrying out the third step;
the VOC gas after secondary purification enters a second vent groove, and a second spraying assembly sprays water flow through a spraying hole to absorb substances in the VOC gas;
the water flow absorbing the VOC gas falls into a second sedimentation tank, firstly falls onto a second biological filter plate, the VOC in the water flow is absorbed through a biological membrane, an old membrane on the outer surface of the biological membrane falls into a second sedimentation collection tank under the impact of the water flow, when the sedimentated water flow is accumulated to a certain height, the sedimentated water flow is discharged through a second overflow groove, and the discharged water flow is purified through a second purification body and discharged out of the second sedimentation tank;
the fourth step is implemented;
the VOC gas purified for the third time enters a third air guide groove, then enters water flow of a third settling tank through the air guide groove and the water inlet body, and the VOC gas is purified for the fourth time by the water flow in the third settling tank;
the water flow of the third settling tank needs to be frequently replaced, a certain water injection amount is kept, water flow is always injected, and redundant water flow is discharged out of the third settling tank through a third overflow groove;
step five is implemented;
the gas purified by the fourth purification is led into the exhaust connecting pipe through the exhaust groove for exhausting gas, then enters the purification exhaust pipe, and is purified by the fourth purification body and the fifth purification body and then is exhausted into the air.
The invention has the beneficial effects that:
firstly, the purification component, the first spraying component and the second spraying component are used for carrying out purification treatment on the VOC gas for three times, the VOC is absorbed by the microorganism group, the overall treatment effect is better, the purification degree of the VOC is higher, and meanwhile, the purified gas is treated again through the purification exhaust pipe and then is directly discharged, so that the possibility of gas pollution is reduced.
Secondly, the invention utilizes the first biological filter plate and the second biological filter plate to biologically purify VOC in water flow, and changes the first sedimentation component and the second sedimentation component into a small biological purification tank, so that the overall purification degree is higher.
Thirdly, the gas is purified for the fourth time by the third precipitation assembly, the microorganisms are cultured by the nutrient substances in the water flow, the residual VOC in the gas is absorbed and converted, the purification effect is further improved, and meanwhile, the moisture and the possible peculiar smell in the gas are absorbed by the purification exhaust pipe, so that the emission influence is further reduced.
Drawings
FIG. 1 is a schematic view of the overall assembly structure of the present invention;
FIG. 2 is a schematic view of a first assembly of the present invention;
FIG. 3 is a schematic view of a first purification assembly according to the present invention;
FIG. 4 is a schematic diagram of a purification plate according to the present invention;
FIG. 5 is a schematic view of a second assembly of the present invention;
FIG. 6 is a schematic view of a first connecting assembly according to the present invention;
FIG. 7 is a schematic cross-sectional view of a first precipitation assembly of the present invention;
FIG. 8 is a schematic view of a third assembly of the present invention;
FIG. 9 is a schematic view of a fourth assembly of the present invention;
FIG. 10 is a schematic cross-sectional view of a third coupling assembly of the present invention;
FIG. 11 is a schematic cross-sectional view of a third settling assembly of the present invention.
In the figure: 1. a first component; 11. an air intake duct; 12. a purification connector; 13. a purification assembly; 131. a positioning body; 132. a limiting body; 133. a VOC purification board; 1331. a first purification plate; 1332. a second purification plate; 14. purifying the support body; 2. a second component; 21. a first spray assembly; 22. a first connection assembly; 221. a first connecting body; 222. a first plug-in body; 223. a first spray clamping groove; 224. a first water chute; 225. a first vent channel; 226. a first seal groove; 23. a first precipitation assembly; 231. a first settling tank; 232. a first sealing plate; 233. a first overflow tank; 234. a first purifying body; 235. a second sealing plate; 236. a first connecting card slot; 237. a first biological filter plate; 238. a first sedimentation collection tank; 3. a third component; 31. a second spray assembly; 32. a second connection assembly; 33. a second precipitation assembly; 4. a fourth component; 41. a third connection assembly; 411. a third connector; 412. a third vent groove; 413. entering a water body; 414. exhausting gas; 415. an exhaust groove; 416. an exhaust connecting pipe; 42. a third precipitation assembly; 421. a third settling tank; 422. a third connecting clamping groove; 423. a water injection nozzle; 424. a third overflow launder; 425. a third purifying body; 426. a seal mounting block; 5. purifying the exhaust pipe; 6. a fifth component; 7. a load floor.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-11, a working system for biologically treating VOCs, comprising:
bearing bottom plate 7, the one end fixed mounting of bearing bottom plate 7 upper surface has first subassembly 1, the front of first subassembly 1 is connected with second subassembly 2, the front of second subassembly 2 is connected with third subassembly 3, the front of third subassembly 3 is connected with fourth subassembly 4, the positive top fixed mounting of fourth subassembly 4 has purification blast pipe 5, the front of fourth subassembly 4 is provided with fifth subassembly 6, second subassembly 2, third subassembly 3, fourth subassembly 4 and fifth subassembly 6 all with bearing bottom plate 7 fixed connection.
As a technical optimization scheme of the invention, the first component 1 comprises a purification connecting body 12, an air inlet pipeline 11 is fixedly connected to the back of the purification connecting body 12, the outer wall of the air inlet pipeline 11 is arranged in a step shape and is convenient to be connected and sealed with a VOC exhaust pipeline, a purification component 13 is fixedly installed on one side of the purification connecting body 12, the purification connecting body 12 is fixedly connected with the purification component 13 through a bolt, a purification supporting body 14 is fixedly connected to the bottom of the purification connecting body 12, the purification connecting body 12 is fixedly connected with the purification supporting body 14 through a bolt, the purification supporting body 14 is fixedly connected with the bearing bottom plate 7, a vent groove is formed in the front of the purification connecting body 12, the vent groove is communicated with the air inlet pipeline 11, a component mounting groove is formed in one side of the purification connecting body 12, the purification component 13 is installed in the component mounting groove, and the component mounting groove is communicated with the vent groove.
As a technical optimization scheme of the invention, the purification component 13 comprises a positioning body 131, one side of the positioning body 131 is fixedly connected with a limiting body 132, the limiting body 132 is arranged in a C shape, one side of the limiting body 132, which is close to the positioning body 131, is fixedly provided with a VOC purification plate 133, the VOC purification plate 133 is arranged in a groove of the limiting body 132, and is through bolt and spacing body 132 fixed connection, VOC purification sheet 133 includes two first purification sheets 1331, a surface of first purification sheet 1331 sets up to the wave, three purification body is all installed to the bulge inside on wavy surface, the equidistance is provided with a plurality of second purification sheets 1332 between two first purification sheets 1331, two surfaces of second purification sheet 1332 all set up to the wave, three purification body is all installed to the bulge on two surfaces of second purification sheet 1332, purification body adopts activated sludge, utilize various microbial communities that contain in the activated sludge to carry out preliminary purification to the VOC gas.
As a technical optimization scheme of the invention, the second assembly 2 comprises a first spraying assembly 21, a first connecting assembly 22 is fixedly installed at the bottom end of the first spraying assembly 21, a first settling assembly 23 is fixedly installed at the bottom end of the first connecting assembly 22, and the first connecting assembly 22 is in through connection with the purification connecting body 12.
As a technical optimization scheme of the present invention, the first spraying assembly 21 includes a first spraying housing, five first spraying pipes are fixedly installed in the spraying housing at equal intervals, and a plurality of spraying holes for spraying purified water flow are fixedly connected to the bottom of each first spraying pipe.
As a technical optimization scheme of the present invention, the first connection assembly 22 includes a first connection body 221, a first insertion body 222 is fixedly connected to a back surface of the first connection body 221, the first insertion body 222 is inserted into a vent groove formed in a front surface of the purification connection body 12, a joint is sealed, a first spray clamping groove 223 is formed in a top end of the first connection body 221, the first spray assembly 21 is hermetically installed in the first spray clamping groove 223, a first vent groove 225 and a first sealing groove 226 are formed in the front surface of the first connection body 221, the first vent groove 225 is disposed inside the first sealing groove 226, a first water guide groove 224 is formed in a bottom end groove wall of the first vent groove 225, the first vent groove 225 penetrates through the first insertion body 222, a first insertion block is integrally cast and formed at a bottom end of the first connection body 221, and the first water guide groove 224 penetrates through the first insertion block.
As a technical optimization scheme of the present invention, the first settling module 23 comprises a first settling tank 231, a first connecting clamping groove 236 is formed at the top end of the first settling tank 231, a first connecting body 221 is hermetically installed inside the first connecting clamping groove 236 through a first inserting block, a first biological filter plate 237 is fixedly installed at the middle part of the inner cavity of the first settling tank 231, the first biological filter plate 237 is manufactured by a biofilm method, an ecosystem composed of aerobic bacteria, anaerobic bacteria, facultative bacteria, fungi, protozoa, algae and the like with highly dense biological membranes is utilized to be attached to a carrier to form a filter plate, a first sealing plate 232 is fixedly connected to one side of the first biological filter plate 237, the first sealing plate 232 is hermetically connected with the first settling tank 231, a first settling collection tank 238 is installed at the bottom of the inner cavity of the first settling tank 231, the first settling collection tank 238 is used for collecting settled substances (aged biological membranes) in wastewater, one side of the first precipitation collection pool 238 is fixedly connected with a second sealing plate 235, the second sealing plate 235 is hermetically connected with the first precipitation tank 231, the bottom of one side of the first precipitation tank 231 is provided with a first overflow groove 233, the cross section of the first overflow groove 233 (as shown in fig. 7) is in an inverted U shape, the first overflow groove 233 is internally and fixedly provided with a first purification body 234, and the first purification body 234 is made of activated carbon and is used for filtering and adsorbing microorganisms in overflow water flow.
As a technical optimization scheme of the present invention, the third assembly 3 includes a second spraying assembly 31, a second connecting assembly 32 is fixedly mounted at a bottom end of the second spraying assembly 31, a second settling assembly 33 is fixedly mounted at a bottom end of the second connecting assembly 32, and the second connecting assembly 32 is in through connection with the first connecting assembly 22.
As a technical optimization scheme of the present invention, the second spraying assembly 31 includes a first spraying housing, three second spraying pipes are fixedly installed in the spraying housing at equal intervals, and a plurality of spraying holes for spraying purified water flow are fixedly connected to the bottom of each second spraying pipe.
As a technical optimization scheme of the invention, the second connecting assembly 32 has the same structure as the first connecting assembly 22, and the second settling assembly 33 has the same structure as the first settling assembly 23.
As a technical optimization scheme of the present invention, the second connection assembly 32 includes a second connection body, a second insertion body is fixedly connected to a back surface of the second connection body, the second insertion body is inserted into the first sealing groove 226 on the front surface of the first connection body 221, a second spraying clamping groove is formed at a top end of the second connection body, the second spraying assembly 31 is hermetically installed in the second spraying clamping groove, a second vent groove and a second sealing groove are formed on the front surface of the second connection body, the second vent groove penetrates through the second insertion body, a second water guide groove is formed on a bottom end groove wall of the second vent groove, a second insertion block is integrally cast at a bottom end of the second connection body, and the second water guide groove penetrates through the second insertion block.
As a technical optimization scheme of the present invention, the second sedimentation assembly 33 includes a second sedimentation tank, a second connection slot is formed at a top end of the second sedimentation tank, a second connection body is sealingly mounted inside the second connection slot through a second insertion block, a second biological filter plate is fixedly mounted in a middle portion of an inner cavity of the second sedimentation tank, the second biological filter plate has the same structure as the first biological filter plate 237, a third sealing plate is fixedly connected to one side of the second biological filter plate, the third sealing plate is sealingly connected to the second sedimentation tank, a second sedimentation collection tank is mounted at a bottom of the inner cavity of the second sedimentation tank, a fourth sealing plate is fixedly connected to one side of the second sedimentation collection tank, the fourth sealing plate is sealingly connected to the second sedimentation tank, a second overflow groove is formed at a bottom of one side of the second sedimentation tank, the second overflow groove has the same structure as the first overflow groove 233, a second purification body is fixedly mounted inside the second overflow groove, the second purifying body is made of activated carbon.
As a technical optimization scheme of the present invention, the fourth assembly 4 includes a third connecting assembly 41, a third settling assembly 42 is fixedly mounted at a bottom end of the third connecting assembly 41, and the third connecting assembly 41 is in through connection with the second connecting assembly 32.
As a technical optimization scheme of the present invention, the third connection assembly 41 includes a third connection body 411, one end of the back of the third connection body 411 is hermetically installed inside the second sealing groove, the back of the third connection body 411 is provided with a third air passing groove 412, the bottom end of the third connection body 411 is fixedly connected with an air inlet 413, the bottom end groove wall of the third air passing groove 412 near one end of the water inlet 413 is provided with an air guiding groove, the air guiding groove penetrates the water inlet 413, the front of the water inlet 413 is integrally formed with an air exhaust body 414, the bottom end of the air exhaust body 414 is provided with an air exhaust groove 415, the air exhaust groove 415 penetrates the air exhaust 414, the front of the third connection body 411 is fixedly connected with an air exhaust connection pipe 416, the air exhaust groove 415 is mutually communicated with an inner cavity of the air exhaust connection pipe 416, the front of the third connection body 411 is provided with a.
As a technical optimization scheme of the present invention, the third settling module 42 includes a third settling tank 421, a third connecting slot 422 is formed at a top end of the third settling tank 421, a third connecting body 411 is clamped inside the third connecting slot 422, a water inlet 413 and an exhaust 414 are both disposed inside the third settling tank 421, a water injection nozzle 423 is fixedly connected to a top of one side of the third settling tank 421, the water injection nozzle 423 is used for injecting water flow into the third settling tank 421, the water injection nozzle 423 is in a sealed state at a time when water injection is not required, a third overflow groove 424 is formed in a middle of one side of the third settling tank 421, the third overflow groove 424 is in an inverted U shape, a third purifying body 425 is fixedly mounted inside the third overflow groove 424, the third purifying body 425 is made of an activated carbon material, a sealing mounting block 426 is fixedly mounted at a bottom of one side of the third settling tank 421, a drain groove is formed at a bottom of the third settling tank 421, the seal mounting block 426 is mounted inside the drain tank.
As a technical optimization scheme of the present invention, the purification exhaust pipe 5 is fixedly connected to the exhaust connection pipe 416, one end of the purification exhaust pipe 5 is hermetically installed inside the third sealing groove, a fourth purification body and a fifth purification body are fixedly installed inside the purification exhaust pipe 5, the fourth purification body is provided as an activated carbon filter element, and the fifth purification body is provided in a physical desiccant, and activated alumina is used for absorbing moisture in the exhaust gas.
As a technical optimization scheme of the invention, the fifth component 6 comprises a water storage tank, a water suction pump and a water inlet pipe are fixedly installed on one side of the top end of the water storage tank, the water suction pump is connected with the first spraying component 21 and the second spraying component 31 through connecting water pipes, the water suction pump supplies water to the first spraying component 21 and the second spraying component 31 through connecting water pipes, water flow in the water storage tank is set to be nutrient water beneficial to growth and propagation of microorganisms, and nutrient substances such as nitrogen and phosphorus are added.
When the invention is used;
please refer to fig. 1 to 11;
the device is assembled as shown in fig. 1, then nutrient water is injected into the water storage tank through the water inlet pipe, and meanwhile, the first overflow trough 233 of the first settling tank 231, the second overflow trough of the second settling tank and the third overflow trough 424 of the third settling tank 421 are connected with an external pipeline, and overflow water flows are respectively collected;
then connecting the gas inlet pipeline 11 with a discharge pipeline of VOC gas;
carrying out operation one;
the VOC gas enters the air inlet pipeline 11, then enters between the VOC purification plates 133, is primarily purified by activated sludge in the first purification plate 1331 and the second purification plate 1332, and then enters the second component 2 through the vent groove;
carrying out operation two;
the primarily purified VOC gas enters the first aeration tank 225, and the first spraying assembly 21 sprays water flow through the spraying holes to absorb substances in the VOC gas;
the water flow absorbing the VOC gas falls into the first settling tank 231, first falls on the first biological filter plate 237, absorbs the VOC in the water flow through the biological membrane, the old membrane on the outer surface of the biological membrane falls into the first settling and collecting tank 238 under the impact of the water flow, when the settled water flow is accumulated to a certain height, the settled water flow is discharged through the first overflow tank 233, and the discharged water flow is purified through the first purifying body 234 and discharged out of the first settling tank 231;
carrying out operation three;
the VOC gas after secondary purification enters the second vent groove, and the second spraying assembly 31 sprays water flow through the spraying holes to absorb substances in the VOC gas;
the water flow absorbing the VOC gas falls into a second sedimentation tank, firstly falls onto a second biological filter plate, the VOC in the water flow is absorbed through a biological membrane, an old membrane on the outer surface of the biological membrane falls into a second sedimentation collection tank under the impact of the water flow, when the sedimentated water flow is accumulated to a certain height, the sedimentated water flow is discharged through a second overflow groove, and the discharged water flow is purified through a second purification body and discharged out of the second sedimentation tank;
carrying out operation four;
the VOC gas purified for the third time enters the third vent groove 412, then enters the water flow of the third settling tank 421 through the vent groove and the water inlet 413, and the water flow in the third settling tank 421 purifies the VOC gas for the fourth time;
the water flow of the third settling tank 421 needs to be changed frequently, a certain water injection amount is maintained, the water flow is injected all the time, and the redundant water flow is discharged out of the third settling tank 421 through the third overflow groove 424;
carrying out operation five;
the four times of purified gas is introduced into the exhaust connecting pipe 416 through the exhaust groove 415 of the exhaust gas 414, and then enters the purification exhaust pipe 5, and the gas is purified by the fourth purification body and the fifth purification body and is discharged into the air.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. Work system through biological method processing VOC, characterized by, includes:
the device comprises a bearing bottom plate (7), wherein a first assembly (1) is fixedly mounted at one end of the upper surface of the bearing bottom plate (7), a second assembly (2) is connected to the front surface of the first assembly (1), a third assembly (3) is connected to the front surface of the second assembly (2), a fourth assembly (4) is connected to the front surface of the third assembly (3), a purification exhaust pipe (5) is fixedly mounted at the top of the front surface of the fourth assembly (4), and a fifth assembly (6) is arranged on the front surface of the fourth assembly (4);
the first component (1), the first component (1) comprises a purification connecting body (12), the back of the purification connecting body (12) is fixedly connected with an air inlet pipeline (11), one side of the purification connecting body (12) is fixedly provided with a purification component (13), and the bottom of the purification connecting body (12) is fixedly connected with a purification support body (14);
the second assembly (2) comprises a first spraying assembly (21), a first connecting assembly (22) is fixedly installed at the bottom end of the first spraying assembly (21), and a first settling assembly (23) is fixedly installed at the bottom end of the first connecting assembly (22);
the third assembly (3) comprises a second spraying assembly (31), a second connecting assembly (32) is fixedly installed at the bottom end of the second spraying assembly (31), and a second settling assembly (33) is fixedly installed at the bottom end of the second connecting assembly (32);
a fourth component (4), the fourth component (4) comprises a third connecting component (41), and a third settling component (42) is fixedly mounted at the bottom end of the third connecting component (41).
2. A working system for the biological treatment of VOCs according to claim 1, wherein: purify subassembly (13) including the location body (131), one side fixedly connected with spacing body (132) of the location body (131), one side fixed mounting that spacing body (132) are close to the location body (131) has VOC purifying plate (133), VOC purifying plate (133) include two first purifying plate (1331), two the equidistance is provided with a plurality of second purifying plate (1332) between first purifying plate (1331).
3. A working system for the biological treatment of VOCs according to claim 1, wherein: first connecting element (22) include first connector (221), the first connector (222) of the back fixedly connected with of first connector (221), first clamping groove (223) that sprays has been seted up on the top of first connector (221), first air channel (225) and first seal groove (226) have been seted up in the front of first connector (221), first guiding gutter (224) have been seted up to the bottom cell wall of first air channel (225).
4. A working system for the biological treatment of VOCs according to claim 1, wherein: first sediment subassembly (23) include first precipitation tank (231), first connecting slot (236) have been seted up on the top of first precipitation tank (231), the middle part fixed mounting of first precipitation tank (231) inner chamber has first biological filter plate (237), the first closing plate (232) of one side fixedly connected with of first biological filter plate (237), first sediment collecting pit (238) are installed to the bottom of first precipitation tank (231) inner chamber, one side fixedly connected with second closing plate (235) of first sediment collecting pit (238), first overflow launder (233) have been seted up to the bottom of first precipitation tank (231) one side, the inside fixed mounting of first overflow launder (233) has first purifying body (234).
5. A working system for the biological treatment of VOCs according to claim 1, wherein: the second connecting component (32) is structurally the same as the first connecting component (22), and the second settling component (33) is structurally the same as the first settling component (23).
6. A working system for the biological treatment of VOCs according to claim 1, wherein: third coupling assembling (41) include third connector (411), third air channel (412) have been seted up to the back of third connector (411), water (413) are gone into to the bottom fixedly connected with of third connector (411), the front integrated into one piece that goes into water (413) has exhaust body (414), exhaust groove (415) have been seted up to the bottom of exhaust body (414), front fixedly connected with exhaust connecting pipe (416) of third connector (411).
7. A working system for the biological treatment of VOCs according to claim 1, wherein: the third precipitation assembly (42) comprises a third precipitation tank (421), a third connecting clamping groove (422) is formed in the top end of the third precipitation tank (421), a water injection nozzle (423) is fixedly connected to the top of one side of the third precipitation tank (421), a third overflow groove (424) is formed in the middle of one side of the third precipitation tank (421), a third purification body (425) is fixedly installed inside the third overflow groove (424), and a sealing installation block (426) is fixedly installed at the bottom of one side of the third precipitation tank (421).
8. A working system for the biological treatment of VOCs according to claim 1, wherein: the purification exhaust pipe (5) is fixedly connected with the exhaust connecting pipe (416), and a fourth purification body and a fifth purification body are fixedly installed inside the purification exhaust pipe (5).
9. A working system for the biological treatment of VOCs according to claim 1, wherein: fifth subassembly (6) are including the storage water tank, one side fixed mounting on storage water tank top has suction pump and inlet tube, the suction pump is connected with first spray assembly (21) and second spray assembly (31) through connecting the water pipe.
10. The working method of the VOC treatment working system through the biological method is characterized by comprising the following steps:
implementing the step one;
the VOC gas enters an air inlet pipeline (11), then enters between VOC purification plates (133), is primarily purified through activated sludge inside a first purification plate (1331) and a second purification plate (1332), and then enters a second assembly (2) through an aeration tank;
implementing the second step;
the primarily purified VOC gas enters a first ventilation groove (225), and a first spraying assembly (21) sprays water flow through a spraying hole to absorb substances in the VOC gas;
the water flow absorbing the VOC gas falls into a first settling tank (231), firstly falls onto a first biological filter plate (237), the VOC in the water flow is absorbed through a biological membrane, an old membrane on the outer surface of the biological membrane falls into a first settling and collecting tank (238) under the impact of the water flow, when the settled water flow is accumulated to a certain height, the settled water flow is discharged through a first overflow tank (233), and the discharged water flow is purified through a first purifying body (234) and discharged out of the first settling tank (231);
carrying out the third step;
the VOC gas after secondary purification enters a second vent groove, and a second spraying assembly (31) sprays water flow through a spraying hole to absorb substances in the VOC gas;
the water flow absorbing the VOC gas falls into a second sedimentation tank, firstly falls onto a second biological filter plate, the VOC in the water flow is absorbed through a biological membrane, an old membrane on the outer surface of the biological membrane falls into a second sedimentation collection tank under the impact of the water flow, when the sedimentated water flow is accumulated to a certain height, the sedimentated water flow is discharged through a second overflow groove, and the discharged water flow is purified through a second purification body and discharged out of the second sedimentation tank;
the fourth step is implemented;
the VOC gas purified for the third time enters a third air guide groove (412), then enters a water flow of a third settling tank (421) through the air guide groove and a water inlet body (413), and the VOC gas is purified for the fourth time by the water flow in the third settling tank (421);
the water flow of the third settling tank (421) needs to be frequently replaced, a certain water injection amount is kept, water flow is always injected, and redundant water flow is discharged out of the third settling tank (421) through a third overflow groove (424);
step five is implemented;
the gas after four times of purification is led into an exhaust connecting pipe (416) through an exhaust groove (415) for exhausting gas (414), then enters a purification exhaust pipe (5), and the gas is purified by a fourth purification body and a fifth purification body and is exhausted to the air.
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