CN116392955B - Biological filter deodorization system and treatment method thereof - Google Patents
Biological filter deodorization system and treatment method thereof Download PDFInfo
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- CN116392955B CN116392955B CN202310335008.2A CN202310335008A CN116392955B CN 116392955 B CN116392955 B CN 116392955B CN 202310335008 A CN202310335008 A CN 202310335008A CN 116392955 B CN116392955 B CN 116392955B
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- 238000004332 deodorization Methods 0.000 title claims abstract description 69
- 238000000034 method Methods 0.000 title claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 123
- 238000005406 washing Methods 0.000 claims abstract description 75
- 239000007788 liquid Substances 0.000 claims abstract description 48
- 230000009471 action Effects 0.000 claims abstract description 5
- 230000001105 regulatory effect Effects 0.000 claims description 26
- 230000001877 deodorizing effect Effects 0.000 claims description 14
- 230000033228 biological regulation Effects 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 244000005700 microbiome Species 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 238000000746 purification Methods 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 238000009736 wetting Methods 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 2
- 239000011550 stock solution Substances 0.000 claims description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 15
- 229910052799 carbon Inorganic materials 0.000 abstract description 15
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000009467 reduction Effects 0.000 abstract description 4
- 238000004134 energy conservation Methods 0.000 abstract description 3
- 230000000712 assembly Effects 0.000 abstract 1
- 238000000429 assembly Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 25
- 238000005265 energy consumption Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000000945 filler Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 230000000737 periodic effect Effects 0.000 description 3
- 239000010865 sewage Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical compound [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000001272 nitrous oxide Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
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
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/03—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
- B01D47/08—Spray cleaning with rotary nozzles
-
- 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
-
- 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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- General Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Molecular Biology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Treating Waste Gases (AREA)
Abstract
The application discloses a biological filter deodorization system and a treatment method thereof, the biological filter deodorization system comprises a shell, wherein a water distribution pipe and a liquid storage area are arranged in each of a pre-washing section and a biological deodorization section, an induced draft fan is arranged on the outer side of the shell, one end of the induced draft fan is connected with an odor collecting pipe, the other end of the induced draft fan is connected with an air outlet pipe, the air outlet end of the air outlet pipe is connected with an odor distributing pipe, the end part of the odor distributing pipe is connected with an air stripping assembly which is respectively arranged in the pre-washing section and the biological deodorization section, and the odor distributing pipe leads partial odor introduced into the air stripping assemblies in the pre-washing section and the biological deodorization section in a split manner, so that liquid in each liquid storage area is circularly lifted; the application adopts the air stripping mode to replace the action of the circulating water pump and the humidifying water pump, realizes reliable circulating water and humidifying water circulation through air flow adjustment and periodical control of the electromagnetic valve, reduces investment cost, reduces power consumption and maintenance of power equipment, and has the obvious characteristics of energy conservation, consumption reduction and low carbon and environmental protection.
Description
Technical Field
The application relates to the technical field of environmental treatment, in particular to a biological filter deodorization system and a treatment method thereof.
Background
The "two carbon" strategy advocates a green, environmentally friendly, low carbon lifestyle. The method accelerates the reduction of carbon emission steps, is beneficial to guiding green technical innovation and improves the global competitiveness of industry and economy. The carbon emission in the sewage treatment industry is about 1% of the total emission in the whole society, and the carbon emission is the largest in the environment-friendly industry. The directly discharged carbon in the sewage treatment process comprises carbon dioxide, methane, nitrous oxide and the like, and the indirectly generated carbon emission is from the aspects of energy consumption, medicine consumption and the like. The waste gas generated by the sewage treatment plant is treated, so that the emission of directly discharged carbon can be reduced. The biological deodorization method has the advantages of good treatment effect, no secondary pollution, wide application range, low running cost, easy management and the like, thereby being widely applied.
The existing biological deodorizing filter is matched with an external circulating and humidifying system, the system is necessarily provided with a circulating water pump and a humidifying water pump, new carbon emission is generated in the carbon reduction process, and the existing conventional biological filter is large in occupied area, large in investment and energy consumption, frequent in pump blockage and difficult in operation and maintenance in long-term operation. Aiming at the problems, a biological deodorization technology and equipment with small carbon emission, low investment cost, low energy consumption, small occupied area and Yi Yunwei are urgently needed.
Disclosure of Invention
The application mainly aims to provide a biological filter deodorization system and a treatment method thereof, which aim to solve the existing technical problems.
In order to achieve the above purpose, the application provides a biological filter deodorization system, which comprises a shell, wherein a pre-washing section and a biological deodorization section are arranged in the shell, a water distribution pipe and a liquid storage area are arranged in the pre-washing section and the biological deodorization section, an induced draft fan is arranged on the outer side of the shell, one end of the induced draft fan is connected with an odor collecting pipe, the other end of the induced draft fan is connected with an air outlet pipe, the air outlet end of the air outlet pipe is connected with an odor distributing pipe, the end part of the odor distributing pipe is connected with an air stripping assembly which is respectively arranged in the pre-washing section and the biological deodorization section, and the odor distributing pipe is used for leading part of introduced odor into the air stripping assembly in the pre-washing section and the biological deodorization section in a split manner, so that liquid in each liquid storage area is circularly lifted.
Further, the odor distributing pipe comprises a distributing pipe I communicated with the pre-washing section, a distributing pipe II connected with the air stripping component arranged in the pre-washing section and a distributing pipe III connected with the air stripping component arranged in the biological deodorization section.
Further, the gas stripping assembly comprises a gas supply pipe which is respectively connected with the second distribution pipe and the third distribution pipe, the gas outlet end of the gas supply pipe is obliquely upwards arranged and connected with a lifting pipe, the top end of the lifting pipe is connected with a water distribution pipe, and the bottom end of the lifting pipe extends into the liquid storage area.
Further, a water-distributing pipe one side is provided with a water-homogenizing disc communicated with the water-distributing pipe in the pre-washing section, the top end of the water-homogenizing disc is provided with a branch air pipe, each air outlet end of the branch air pipe is connected with an exhaust pipe, the exhaust pipes are located below the side of the water-distributing pipe and are distributed in parallel with the water-distributing pipe, the air inlet ends of the branch air pipes are connected with a suspender, the suspender penetrates through a gas containing box to be connected, a channel communicated with the branch air pipe and the gas containing box is formed in the suspender, and the gas containing box is connected with a distributing pipe I through a communicating pipe.
Further, blades distributed at equal intervals on the circumference are arranged on the rod body of the suspender in the gas accommodating box, the first distributing pipe is obliquely arranged with the connecting port of the gas accommodating box, and the first introduced odor of the distributing pipe contacts with the blades to drive the suspender to rotate.
Further, the device also comprises a drainage table arranged at the lower pipe orifice of the lifting pipe, the drainage table is of a hollow inverted cone table structure, and a guide plate connected with the inner wall of the pre-washing section is arranged at the top end of the drainage table.
Further, the bottom end of the lifting pipe is 100-200mm away from the bottom of the liquid storage area, and the connecting end of the air supply pipe and the lifting pipe is positioned at a position 200-300mm above the bottom of the lifting pipe.
Further, a guide pipe is arranged at the top end of the lifting pipe arranged at the biological deodorization section, and the other end of the guide pipe extends into the lower part of the packing layer in the biological deodorization section.
Further, an air supply quantity adjusting valve is arranged on the odor distributing pipe, and an air supply electromagnetic valve is arranged on the lifting pipe.
A treatment method of a biological filter deodorization system, which comprises the following steps,
odor collection: the odor is collected from the odor source through the induced draft fan via the odor collecting pipe.
Odor distribution: the collected odor is distributed from the air outlet of the induced draft fan to an air stripping assembly and the pre-washing section which are respectively arranged in the pre-washing section and the biological deodorization section, and the collected odor is respectively used as an air source of air stripping circulating water, an air source of air stripping humidifying water and enters the pre-washing section to be treated; and three air flows are respectively regulated by the air supply quantity regulating valve and the odor air quantity regulating valve.
Pre-washing: the odor entering the pre-washing section is fully contacted with the sprayed water in a pre-washing filling area, so that particles are removed, pre-wetting is performed, and a small amount of water-soluble odor substances are removed; the water of the pre-washing section comes from a liquid storage area of the pre-washing section, and circulation is realized through the gas stripping component; and the introduced part of odor is used as a driving source to drive the water distribution pipe in the pre-washing section to rotate, so that water is sprayed in the pre-washing section in a rotating way; the circulating water quantity of the pre-washing section is adjusted by the air supply quantity adjusting valve to adjust the air lifting quantity, so that the water discharge quantity of the lifting pipe is adjusted to achieve adjustment.
Deodorizing: the odor enters the biological deodorization section from the pre-washing section, and is purified and treated by the action of various microorganisms in a deodorization filling area; the biological deodorization section is subjected to periodical humidification treatment, and the humidified water is uniformly sprayed on the deodorization filling area through the gas stripping component, so that the humidified water is recycled; the humidifying water quantity is regulated by a gas-saving and gas-lifting quantity through a gas-supply quantity regulating valve, so that the water discharge quantity of the lifting pipe is regulated to realize regulation; the humidification cycle is achieved by periodic opening of the air supply solenoid valve.
And (3) discharging after reaching the standard: and the odor is discharged from the biological deodorization section to the high altitude after purification treatment.
The beneficial effects of the application are as follows:
the application adopts the air stripping mode to replace the action of a circulating water pump and a humidifying water pump, realizes reliable circulating water and humidifying water circulation through air volume adjustment, electromagnetic valve periodic control and a special water distribution pipe and exhaust pipe structure, reduces energy consumption, further reduces carbon emission, reduces investment cost, maintains power equipment, and has obvious characteristics of energy conservation, consumption reduction and low carbon and environmental protection;
according to the application, the induced draft fan is used for collecting odor, and part of the collected odor is used as a gas source for stripping, so that a new blower is avoided, one machine is used for two purposes, and energy consumption is reduced;
the application eliminates the existing external circulating and humidifying system, utilizes the existing liquid storage area of the biological deodorizing filter to develop into a novel internal circulating and humidifying system, reduces the occupied area of the external circulating and humidifying system, has simple construction and installation, and can shorten the construction period.
Drawings
FIG. 1 is a schematic diagram of a deodorizing system for a biofilter according to the present application;
FIG. 2 is a schematic diagram showing the distribution of the water distribution pipe and the exhaust pipe;
FIG. 3 is a schematic diagram of a distribution side view structure of a water distribution pipe and an exhaust pipe of a pre-washing section of the application;
FIG. 4 is a schematic diagram of the deodorization process.
Reference numerals illustrate:
1. a housing; 2. a pre-washing section; 3. a biological deodorization section; 4. an induced draft fan; 5. an odor collecting pipe; 6. an air outlet pipe; 7. a first distribution pipe; 8. a second distributing pipe; 9. a third distributing pipe; 10. a circulating water gas supply pipe; 11. a circulating water riser; 12. a water homogenizing disc; 13. a water distribution pipe; 14. a mounting bracket; 15. rong Qixiang; 16. a communicating pipe; 17. a boom; 18. a channel; 19. a branched gas pipe; 20. an exhaust pipe; 21. a drainage table; 22. a humidified water supply pipe; 23. a humidifying water riser; 24. a filter plate; 25. a guide tube; 26. a circulating water air supply amount regulating valve; 27. a circulating water air supply electromagnetic valve; 28. a humidifying water air supply amount regulating valve; 29. a humidifying water air supply electromagnetic valve; 30. an upper baffle; 31. and a lower baffle.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the application. Embodiments of the application and features of the embodiments may be combined with each other without conflict. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present application, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present application, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout includes three parallel schemes, for example "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B are satisfied simultaneously. In addition, "a plurality of" means two or more. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary that the combination of the technical solutions should be regarded as not existing when the combination of the technical solutions contradicts or cannot be realized on the basis of the realization of those skilled in the art.
Referring to fig. 1, the biological filter deodorization system of the application comprises a shell 1, wherein a pre-washing section 2 and a biological deodorization section 3 are arranged in the shell, a water distribution pipe 13 and a liquid storage area are arranged in the pre-washing section 2 and the biological deodorization section 3, an induced draft fan 4 is arranged on the outer side of the shell 1, one end of the induced draft fan 4 is connected with an odor collecting pipe 5, the other end of the induced draft fan is connected with an air outlet pipe 6, the air outlet end of the air outlet pipe 6 is connected with an odor distributing pipe, the end of the odor distributing pipe is connected with a stripping component which is respectively arranged in the pre-washing section 2 and the biological deodorization section 3, and the odor distributing pipe is used for leading partial odor introduced into the stripping components in the pre-washing section 2 and the biological deodorization section 3, so that liquid in the liquid storage areas is circularly lifted.
The traditional biological deodorization filter tank is matched with an external circulating and humidifying system, so that project occupation is increased, and the application utilizes the odor introduced by a diversion part to act on the liquid storage areas of the prewashing section 2 and the biological deodorization section 3 in a gas stripping mode, so that the liquid in the liquid storage areas can be circularly lifted to replace the original external circulating and humidifying system, meanwhile, the diverted odor can be ensured to be fully treated, reliable circulating water and humidifying water circulation can be realized, the investment cost is reduced, the electricity consumption and the maintenance of power equipment are reduced, and the application has the obvious characteristics of energy conservation, consumption reduction and low carbon and environmental protection; and the part of collected odor is used as a gas source for stripping, so that a new blower is avoided, and the purpose of one machine for two purposes is realized; the floor area of the external circulation and humidification system is reduced, the construction and the installation are simple and convenient, and the construction period can be shortened.
In one embodiment, referring to fig. 1, the odor distribution pipe comprises a first distribution pipe 7 communicated with the pre-wash section 2, a second distribution pipe 8 connected with a stripping assembly arranged in the pre-wash section 2, and a third distribution pipe 9 connected with a stripping assembly arranged in the biological deodorization section 3. The arrangement is that the introduced odor is split into three parts, one part acts on the air stripping component arranged in the pre-washing section 2, so that the liquid in the liquid storage area of the pre-washing section can be circularly lifted, the other part acts on the air stripping component in the biological deodorization section 3, so that the liquid in the liquid storage area of the biological deodorization section can be circularly lifted, the other part normally enters the pre-washing section 2 to be pre-washed, the original external circulating and humidifying system is replaced, the split odor can be fully treated, and reliable circulating water and humidifying water circulation can be realized.
In an embodiment, referring to fig. 1, the air stripping assembly includes an air supply pipe connected to the second distribution pipe 8 and the third distribution pipe 9 respectively, an air outlet end of the air supply pipe is arranged obliquely upwards and connected to a riser, a top end of the riser is connected to the water distribution pipe 13, and a bottom end of the riser extends into the liquid storage area. Specifically, the pre-washing section 2 is a circulating water riser pipe 11 and a circulating water air supply pipe 10, the biological deodorization section 3 is correspondingly a humidifying water riser pipe 23 and a humidifying water air supply pipe 22, and the riser pipes and the air supply pipes are respectively arranged at the pre-washing section 2 and the biological deodorization section 3.
So arranged, the split malodor is introduced into the riser through the gas supply pipe where the water surface is significantly higher than the surrounding water surface. Because of the presence of gas, the effective density of this region decreases, and the product of the gravitational acceleration and the water depth, which gives the number pressure, of course, decreases. Then the local pressure is reduced and the fluid pressure will drive the surrounding water or fluid inflow so that the local water depth is increased, before equilibrium is possible. The effect is strengthened by the pipeline, gas is injected into the pipeline, the pressure in the pipeline is reduced, and the fluid rises, so that the liquid in the liquid storage area is lifted upwards, the circulation of water flow is realized, the original external circulation system and humidification system are replaced, and meanwhile, the odor can be fully treated.
In an embodiment, referring to fig. 1-3, a water distribution plate 12 communicated with the water distribution plate is arranged on one side of a water distribution pipe 13 in a pre-washing section 2, a branch air pipe 19 is arranged at the top end of the water distribution plate 12, each air outlet end of the branch air pipe 19 is connected with an air outlet pipe 20, the air outlet pipes 20 are positioned below the water distribution pipe 13 and are distributed in parallel, the air inlet ends of the branch air pipes 19 are connected with a hanging rod 17, the hanging rod 17 penetrates through a gas containing box 15 to be connected, a channel 18 communicated with the branch air pipe 19 and the gas containing box 15 is arranged in the hanging rod 17, and the gas containing box 15 is connected with a distributing pipe 7 through a communicating pipe 16. Wherein, the exhaust pipe 20 is provided with exhaust ports which are opposite to the lower part of the water distribution pipe 13 and are in one-to-one correspondence with the water outlets.
The arrangement is that the odor of the first distribution pipe 7 is introduced into the air accommodating box 15 through the communicating pipe 16 and is uniformly conveyed into the exhaust pipe 20 through the branch air pipe 19, the exhausted odor flows to the lower side of the water distribution pipes 13, and as the exhaust pipe 20 is provided with the exhaust ports which are in one-to-one correspondence with the water outlets of the water distribution pipes 13 and the lifting water flows into each water distribution pipe 13 through the water homogenizing disc 12, the odor entering the pre-washing section 2 is directly contacted with the liquid, the contact area of the odor and the liquid is improved, and the pre-washing quality and efficiency of the split odor in the pre-washing section 2 can be ensured; meanwhile, the odor rapidly flows through the lower part of the water outlet of the water distribution pipe 13 through the exhaust pipe 20, so that the flow speed at the water outlet of the water distribution pipe 13 is increased, the pressure is reduced, the liquid in the circulating water lifting pipe 11 can be lifted more smoothly, a certain speed is ensured after the lifting, and the efficient circulating flow of the liquid in the pre-washing section 2 is ensured.
In an embodiment, referring to fig. 2, blades are disposed on a shaft of the boom 17 in the Rong Qixiang, the blades are distributed circumferentially at equal intervals, the first distributing pipe 7 is disposed obliquely to the connection port of the air container 15, and the odor introduced by the first distributing pipe 7 contacts with the blades to drive the boom 17 to rotate. By the arrangement, the split odor enters the gas accommodating box 15 through the communicating pipe 16 and contacts with the blades, the hanging rod 17 is pushed to rotate, and then the branch air pipe 19, the water distribution pipe 13 and the exhaust pipe 20 are driven to synchronously rotate, so that the liquid flowing out of the water distribution pipe 13 circularly covers the transverse working surface of the pre-washing section 2, the odor which is not fully contacted with the liquid flowing out of the pipe orifice of the water distribution pipe 13 can be contacted with the liquid again in the subsequent falling process, and the pre-washing quality and efficiency of the odor are improved.
Preferably, the pre-washing section 2 is provided with a mounting bracket 14, wherein the suspension rod 17 penetrates through the mounting bracket 14 and is rotatably connected with the mounting bracket, so that the stability of the suspension rod 17 in the rotation process is ensured.
In an embodiment, referring to fig. 1, the device further includes a drainage table 21 disposed at a lower pipe orifice of the riser, the drainage table 21 is disposed below the circulating water riser 11 and the humidifying water riser 23, the drainage table 21 is in a hollow inverted cone structure, and a guide plate connected to an inner wall of the pre-washing section 2 is disposed at a top end of the drainage table 21. By the arrangement, the liquid falling from the pre-washing section 2 and the biological deodorization section 3 can be collected and discharged to the lower part of the circulating water lifting pipe 11 and the humidifying water lifting pipe 23 in a concentrated mode, the flow speed at the pipe orifice is accelerated, the pressure at the pipe orifice is reduced, and the circulating water lifting pipe 11 and the humidifying water lifting pipe 23 can lift the liquid in the liquid storage area more easily.
Preferably, the lower pipe orifice of the circulating water lifting pipe 11 and the humidifying water lifting pipe 23 is provided with the filter plate 24, so that the problem that impurities falling in a filling area are lifted upwards again due to the liquid flow in the liquid storage area, and then the pollution to the filling area is caused, and meanwhile, the falling liquid is intensively discharged to the lower pipe orifice, so that the filter plate 24 can be continuously washed, the problem that the filter plate 24 is blocked cannot be caused, the problem that the impurities in the liquid storage area are lifted upwards is avoided, and the subsequent maintenance of the filter plate 24 is not needed.
In one embodiment, the bottom end of the riser is positioned 100-200mm from the bottom of the liquid storage area, and the connection end of the air supply pipe and the riser is positioned 200-300mm above the bottom of the riser. The setting like this can reduce because the liquid in the stock solution district upwards promotes the in-process with the odor treatment produce the impurity that drops and bring up the risk again, avoids producing the problem of pollution to the filler district.
In one embodiment, referring to fig. 1, a guiding pipe 25 is disposed at the top end of the lifting pipe disposed at the bio-deodorization section 3, and the other end of the guiding pipe 25 extends below the filler layer in the bio-deodorization section 3. In order to avoid the problem that the odor introduced into the biological deodorization section 3 cannot pass through the filler area of the biological deodorization section 3 and cannot be effectively treated after entering the humidifying water lifting pipe 23, the guide pipe 25 is arranged to redirect most of the odor entering the lifting pipe to the lower part of the filler area of the biological deodorization section 3, so that the split odor can be effectively treated, and the problem that the odor is discharged without being treated is avoided.
Preferably, in order to reprocess a small amount of odor which is mixed into the liquid lifted by the liquid storage area, the biological deodorization section 3 is provided with an upper baffle 30 and a lower baffle 31 which are distributed in a staggered manner, the position distribution is as shown in fig. 1, and the small amount of odor mixed into the liquid is led back to the filling area of the biological deodorization section 3 in a separated manner, so that the introduced odor is fully processed, and the processing quality is improved.
In one embodiment, referring to fig. 1, an air supply amount adjusting valve is provided on the odor distribution pipe, and an air supply solenoid valve is provided on the riser pipe. Specifically, the pre-washing section 2 corresponds to a circulating water air supply amount regulating valve 26 and a circulating water air supply electromagnetic valve 27, and the biological deodorizing section 3 corresponds to a humidifying water air supply amount regulating valve 28 and a humidifying water air supply electromagnetic valve 29; the arrangement is that the air supply quantity adjusting valve is used for adjusting the air lifting quantity, so that the water displacement in the lifting pipe is adjusted; the humidification cycle of the bio-deodorization section 3 may be controlled by a humidification water supply solenoid valve 29.
Referring to fig. 4, a method for treating a deodorizing system of a biological filter, specifically comprises the following steps,
odor collection: the odor is collected from the odor source through the odor collecting pipe 5 by the induced draft fan 4.
Odor distribution: the collected odor is distributed to the air stripping component and the pre-washing section 2 which are respectively arranged in the pre-washing section 2 and the biological deodorization section 3 from the air outlet of the induced draft fan 4, and is respectively used as an air source of air stripping circulating water, an air source of air stripping humidifying water and enters the pre-washing section 2 to be treated; the three air flows are respectively regulated by an air supply quantity regulating valve and an odor air quantity regulating valve.
Pre-washing: the odor entering the pre-washing section 2 is fully contacted with the sprayed water in the pre-washing filling area, so that the particles, the pre-wetting and a small amount of water-soluble odor substances are removed; the water in the pre-washing section 2 comes from a liquid storage area of the pre-washing section 2, and circulation is realized through a gas stripping component; and the introduced part of odor is used as a driving source to drive the water distribution pipe 13 in the pre-washing section 2 to rotate, so that water is sprayed in the pre-washing section 2 in a rotating way; the circulating water quantity of the pre-washing section 2 is adjusted by adjusting the air lifting quantity through an air supply quantity adjusting valve, so that the water discharge quantity of the lifting pipe is adjusted to realize adjustment.
Deodorizing: the odor enters a biological deodorization section 3 from a pre-washing section 2, and is purified and treated by the action of various microorganisms in a deodorization filling area; the biological deodorization section 3 carries out periodical humidification treatment, and the humidified water is uniformly sprayed on the deodorization filling area through the gas stripping component, so that the cyclic utilization of the humidified water is realized; the humidifying water quantity is regulated by a gas-saving and gas-lifting quantity through a gas-supply quantity regulating valve, so that the water discharge quantity of the lifting pipe is regulated to realize regulation; the humidification cycle is achieved by periodic opening of the air supply solenoid valve.
And (3) discharging after reaching the standard: the odor is discharged to the high altitude after the purification treatment of the biological deodorization section 3.
The foregoing description of the preferred embodiments of the application is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the application.
Claims (7)
1. The utility model provides a biological filter deodorization system, includes casing (1), is equipped with prewashing section (2) and biological deodorization section (3) in it, all be equipped with water distribution pipe (13) and stock solution district in prewashing section (2) and the biological deodorization section (3), casing (1) outside is equipped with draught fan (4), draught fan (4) one end is connected with odor collecting pipe (5), and the other end is connected with outlet duct (6), its characterized in that: the air outlet end of the air outlet pipe (6) is connected with an odor distributing pipe, the end part of the odor distributing pipe is connected with an air stripping component which is respectively arranged in the pre-washing section (2) and the biological deodorization section (3), and the odor distributing pipe is used for leading partial odor flow into the air stripping components in the pre-washing section (2) and the biological deodorization section (3) so as to circularly promote the liquid in each liquid storage area;
the water distribution device is characterized in that a water homogenizing disc (12) communicated with the water homogenizing disc is arranged on one side of a water distribution pipe (13) in the pre-washing section (2), a branch air pipe (19) is arranged at the top end of the water homogenizing disc (12), each air outlet end of the branch air pipe (19) is connected with an exhaust pipe (20), the exhaust pipes (20) are positioned below the water distribution pipe (13) and are distributed in parallel with the water distribution pipe, the air inlet ends of the branch air pipes (19) are connected with a suspender (17), the suspender (17) penetrates through a gas tank (15) to be connected, a channel (18) communicated with the branch air pipes (19) and Rong Qixiang (15) is formed in the suspender (17), and the Rong Qixiang (15) is connected with a distributing pipe I (7) through a communicating pipe (16).
The air stripping assembly comprises an air supply pipe which is respectively connected with a second distribution pipe (8) and a third distribution pipe (9), the air outlet end of the air supply pipe is obliquely upwards arranged and connected with a lifting pipe, the top end of the lifting pipe is connected with a water distribution pipe (13), and the bottom end of the lifting pipe extends into the liquid storage area;
blades distributed at equal intervals on the circumference are arranged on a rod body of the suspender (17) in the gas accommodating box (15), the connection ports of the distributing pipe I (7) and the Rong Qixiang (15) are obliquely arranged, and odor introduced by the distributing pipe I (7) can contact with the blades to drive the suspender (17) to rotate.
2. A biofilter deodorizing system according to claim 1, wherein: the odor distributing pipe comprises a distributing pipe I (7) communicated with the pre-washing section (2), a distributing pipe II (8) connected with a stripping component arranged in the pre-washing section (2) and a distributing pipe III (9) connected with the stripping component arranged in the biological deodorization section (3).
3. A biofilter deodorizing system according to claim 1, wherein: the novel water-saving device is characterized by further comprising a drainage table (21) arranged at the lower pipe orifice of the lifting pipe, wherein the drainage table (21) is of a hollow inverted cone table structure, and a guide plate connected with the inner wall of the pre-washing section (2) is arranged at the top end of the drainage table (21).
4. A biofilter deodorizing system according to claim 1, wherein: the bottom end of the lifting pipe is 100-200mm away from the bottom of the liquid storage area, and the connecting end of the air supply pipe and the lifting pipe is positioned at a position 200-300mm above the bottom of the lifting pipe.
5. A biofilter deodorizing system according to claim 1, wherein: the top end of the lifting pipe arranged on the biological deodorization section (3) is provided with a guide pipe (25), and the other end of the guide pipe (25) extends into the lower part of the packing layer in the biological deodorization section (3).
6. A biofilter deodorizing system according to claim 1, wherein: the odor distributing pipe is provided with an air supply quantity regulating valve, and the lifting pipe is provided with an air supply electromagnetic valve.
7. A method for treating a deodorizing system for a biological filter according to claim 6, wherein: in particular comprising the following steps of the method,
odor collection: the odor is collected from an odor source through the induced draft fan (4) by the odor collecting pipe (5);
odor distribution: the collected odor is distributed from the air outlet of the induced draft fan (4) to an air stripping component which is respectively arranged in the pre-washing section (2) and the biological deodorization section (3) and the pre-washing section (2), and the collected odor is respectively used as an air source of air stripping circulating water, an air source of air stripping humidifying water and enters the pre-washing section (2) to be treated; the three air flows are respectively regulated by the air supply quantity regulating valve and the odor air quantity regulating valve;
pre-washing: the odor entering the pre-washing section (2) is fully contacted with the sprayed water in a pre-washing filling area, so that particles are removed, pre-wetting is performed, and a small amount of water-soluble odor substances are removed; the water of the pre-washing section (2) comes from a liquid storage area of the pre-washing section (2), and circulation is realized through the gas stripping component; and the introduced part of odor is used as a driving source to drive a water distribution pipe (13) in the pre-washing section (2) to rotate, so that water is sprayed in the pre-washing section (2) in a rotating way; the circulating water quantity of the pre-washing section (2) is regulated to adjust the air lifting quantity through the air supply quantity regulating valve, so that the water discharge quantity of the lifting pipe is regulated to realize regulation;
deodorizing: the odor enters the biological deodorization section (3) from the pre-washing section (2), and is purified and treated by the action of various microorganisms in a deodorization filling area; the biological deodorization section (3) carries out periodical humidification treatment, and humidification water is uniformly sprayed on the deodorization filling area through the gas stripping component, so that the humidification water is recycled; the humidifying water quantity is regulated by a gas-saving and gas-lifting quantity through a gas-supply quantity regulating valve, so that the water discharge quantity of the lifting pipe is regulated to realize regulation; the humidifying period is realized by periodically opening an air supply electromagnetic valve;
and (3) discharging after reaching the standard: the odor is discharged from the biological deodorization section (3) to the high altitude after purification treatment.
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