CN208082180U - A kind of biological filter deodorizing device - Google Patents
A kind of biological filter deodorizing device Download PDFInfo
- Publication number
- CN208082180U CN208082180U CN201820288688.1U CN201820288688U CN208082180U CN 208082180 U CN208082180 U CN 208082180U CN 201820288688 U CN201820288688 U CN 201820288688U CN 208082180 U CN208082180 U CN 208082180U
- Authority
- CN
- China
- Prior art keywords
- water
- biofiltration
- humidifier
- zinc cation
- activated carbon
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
Landscapes
- Treating Waste Gases (AREA)
Abstract
Include zinc cation humidifier, biofiltration device and the activated carbon adsorption device that setting is sequentially communicated according to foul smell flow direction the utility model discloses a kind of biological filter deodorizing device；The middle part of zinc cation humidifier is equipped with zinc cation and humidifies layer, and the middle part of biofiltration device is equipped with biofiltration layer, and the middle part of activated carbon adsorption device is equipped with activated carbon adsorption layer；The upper inlet port of zinc cation humidifier is connected with foul smell collection device, the lower part gas outlet of zinc cation humidifier is connected with the upper inlet port of biofiltration device, the lower part gas outlet of biofiltration device is connected with the lower part air inlet of activated carbon adsorption device, and the top gas outlet of activated carbon adsorption device is connected with wind turbine.The treatment effeciency of foul smell is greatly improved by the two-stage biological deodorizing process of zinc cation humidifier and biofiltration device in the utility model；Absorption can be dried to the gas being discharged after deodorization in activated carbon adsorption device, further go to eliminate the unusual smell.
Description
Technical field
The utility model is related to deodorization device technical fields, and in particular to a kind of biological filter deodorizing device.
Background technology
Raising with people to environmental requirement, foul smell problem is increasingly valued by people, and biological deodorizing conduct
A kind of current main processing method, it is a large amount of to use.Foul smell is mainly passed into equipped with micro- life by current biological deodorizing
In the biofilter of object filler, by Institute of Micro-biology's absorption degradation, it is eventually converted into simple inorganic matter.
Existing biological deodorizing device has the following problems：
1, the single removal of foul smell is individually carried out using biofilter, treatment effeciency is low and can only handle low concentration dirt
Object is contaminated, high concentration Odor control is not suitable for；
2, the gas being discharged after microbial deodorant is moister and wherein carries microorganism, and direct emission is also easy pollution ring
Border.
Utility model content
Shortcoming present in regarding to the issue above, the utility model provide a kind of biological filter deodorizing device.
Include that setting is sequentially communicated according to the flow direction of foul smell the utility model discloses a kind of biological filter deodorizing device
Zinc cation humidifier, biofiltration device and activated carbon adsorption device；
The middle part of the zinc cation humidifier is equipped with zinc cation and humidifies layer, is set in the middle part of the biofiltration device
There are biofiltration layer, the middle part of the activated carbon adsorption device to be equipped with activated carbon adsorption layer；The zinc cation humidifier
Upper inlet port is connected with foul smell collection device, and lower part gas outlet and the biofiltration of the zinc cation humidifier fill
The upper inlet port set is connected, the lower part gas outlet of the biofiltration device and the lower part air inlet of the activated carbon adsorption device
Mouth is connected, and the top gas outlet of the activated carbon adsorption device is connected with wind turbine.
First circulation spray dress is equipped in the zinc cation humidifier as a further improvement of the utility model,
It sets；
The first circulation spray equipment includes prewashing water case and the first nozzle, and first nozzle is arranged in the life
In object washing humidifying device and above zinc cation humidification layer；First water inlet of the prewashing water case with it is described
The lower part cycle mouth of a river of zinc cation humidifier is connected, the second water inlet and the water supply pipe phase of the prewashing water case
Even, the water outlet of the prewashing water case is connected by the first water pump with first nozzle.
The second water inlet of the prewashing water case is equipped with the first electromagnetism as a further improvement of the utility model,
Valve is equipped with first liquid level gauge, first solenoid valve and first liquid level gauge and PLC controller phase on the prewashing water case
Even.
The pipeline between the prewashing water case and the first nozzle is equipped with the as a further improvement of the utility model,
One valve and first pressure gauge, first water pump are two water pumps in parallel.
Second circulation spray equipment is equipped in the biofiltration device as a further improvement of the utility model,；
The second circulation spray equipment includes filter tank water tank and the second nozzle, and second nozzle is arranged in the biology
In filter device and above the biofiltration layer；First water inlet of the filter tank water tank and the biofiltration device
Lower part cycle the mouth of a river be connected, the second water inlet of the filter tank water tank is connected with water supply pipe, and the filter tank water tank goes out
The mouth of a river is connected by the second water pump with second nozzle.
The second water inlet of the filter tank water tank is equipped with second solenoid valve as a further improvement of the utility model,
Second liquid level gauge is installed, the second solenoid valve and second liquid level gauge are connected with PLC controller on the filter tank water tank.
The pipeline between the filter tank water tank and the second nozzle is equipped with second as a further improvement of the utility model,
Valve and second pressure gauge.
The zinc cation humidifier and biofiltration device are integral type as a further improvement of the utility model,
Structure.
The zinc cation humidification layer, biofiltration layer and activated carbon adsorption as a further improvement of the utility model,
Layer is each attached on grid-like bracket.
The top of the air inlet of the wind turbine and the activated carbon adsorption device as a further improvement of the utility model,
Gas outlet is connected, and the air outlet of the wind turbine is communicated with air, and H is equipped on the wind pipe of the wind turbine2S detectors.
Compared with prior art, the beneficial effects of the utility model are：
The pending foul smell of the utility model passes sequentially through zinc cation humidifier, biofiltration device and activated carbon and inhales
Air is expelled to after adsorption device, it, can pole by the two-stage biological deodorizing process of zinc cation humidifier and biofiltration device
The big treatment effeciency for improving foul smell；Absorption can be dried to the gas being discharged after deodorization by activated carbon adsorption device, into one
Step goes to eliminate the unusual smell, and microorganism direct emission is avoided to cause environmental pollution；
The zinc cation humidifier and biofiltration device of the utility model are all made of upper entering and lower leaving, and which raises foul smell
With the time of contact of microorganism, reaction effect is good.
Description of the drawings
Fig. 1 is the structural schematic diagram of biological filter deodorizing device disclosed in a kind of embodiment of the utility model.
In figure：
10, zinc cation humidifier；11, zinc cation humidifies layer；20, biofiltration device；21, biofiltration layer；
30, activated carbon adsorption device；31, activated carbon adsorption layer；40, wind turbine；41,H2S detectors；50, first circulation spray equipment；
51, prewashing water case；52, the first nozzle；53, the first solenoid valve；54, first liquid level gauge；55, the first water pump；56, the first valve
Door；57, first pressure gauge；60, second circulation spray equipment；61, filter tank water tank；62, the second nozzle；63, second solenoid valve；
64, second liquid level gauge；65, the second water pump；66, the second valve；67, second pressure gauge.
Specific implementation mode
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is a part of the embodiment of the utility model, instead of all the embodiments.Based on the reality in the utility model
Apply example, the every other embodiment that those of ordinary skill in the art are obtained without making creative work, all
Belong to the range of the utility model protection.
It is in the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
The utility model and simplifying describes for ease of description, do not indicate or imply the indicated device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for description purposes only, and are not understood to indicate or imply relative importance.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, can also be electrical connection；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, it can understand above-mentioned art with concrete condition
The concrete meaning of language in the present invention.
The utility model is further described in detail below in conjunction with the accompanying drawings：
As shown in Figure 1, the utility model provides a kind of biological filter deodorizing device, include being connected successively according to the flow direction of foul smell
Zinc cation humidifier 10, biofiltration device 20, activated carbon adsorption device 30 and the wind turbine 40 of logical setting, the utility model
Pending foul smell pass sequentially through zinc cation humidifier 10, biofiltration device 20 and activated carbon adsorption device 30 after be discharged
It can be greatly improved smelly by the two-stage biological deodorizing process of zinc cation humidifier 10 and biofiltration device 20 to air
The treatment effeciency of gas；Absorption can be dried to the gas being discharged after deodorization by activated carbon adsorption device 30, further remove
Peculiar smell avoids microorganism direct emission from causing environmental pollution.Specifically：
The zinc cation humidifier 10, biofiltration device 20 of the utility model are an integral structure, wherein in tank body
Two parallel partition boards are internally provided with, as shown in Figure 1；The left side of left clapboard is biological washing humidifying device 10, the right side of right clapboard
Side is biofiltration device 20；The upper inlet port of zinc cation humidifier 10 is connected with foul smell collection device, zinc cation
The lower part gas outlet of humidifier 10 is connected with the upper inlet port of biofiltration device 20 by the channel between two partition boards.
The utility model is equipped with zinc cation at the middle part of zinc cation humidifier 10 and humidifies layer 11, the middle part of biofiltration device 20
Equipped with biofiltration layer 21, zinc cation humidification layer 11, biofiltration layer 21 are each attached on grid-like bracket, and bracket is solid
It is scheduled on the inside of zinc cation humidifier 10, biofiltration device 20；Zinc cation humidification layer 11, biofiltration layer 21 be by
Filler and the microorganism being attached on filler are constituted, and filler can be organic and inorganic mixed fillers；The utility model specific composition is given birth to
Object washing humidifying layer 11, the filler of biofiltration layer 21 and microorganism are existing conventional structure, do not do filler and micro- life herein
Object elaborates.The zinc cation humidifier 10 and biofiltration device 20 of the utility model are all made of upper entering and lower leaving,
The time of contact of foul smell and microorganism is improved, reaction effect is good.
The middle part of the utility model activated carbon adsorption device 30 is equipped with activated carbon adsorption layer 31, and activated carbon adsorption layer is fixed on
In on grid-like bracket, bracket is fixed on inside activated carbon adsorption device 30.The lower part gas outlet of biofiltration device 20 with
The lower part air inlet of activated carbon adsorption device 30 is connected, the air inlet of the top gas outlet and wind turbine 40 of activated carbon adsorption device 30
It is connected, the air outlet of wind turbine 40 is communicated with air, and H is equipped on the wind pipe of wind turbine 402S detectors 41；The utility model
Absorption can be dried to the gas being discharged after deodorization by activated carbon adsorption device, further go to eliminate the unusual smell, avoid microorganism
Direct emission causes environmental pollution；Pass through H2Whether exhaust gas of the detection of S detectors 41 after deodorization and activated carbon adsorption meets mark
Standard is discharged into after complying with standard in air.
The utility model is equipped with first circulation spray equipment 50, first circulation spray dress in zinc cation humidifier 10
It sets including prewashing water case 51 and the first nozzle 52, the setting of the first nozzle 52 is in zinc cation humidifier 10 and is fixed on life
The top of object washing humidifying layer 11；First water inlet of prewashing water case 51 and the lower part recirculated water of zinc cation humidifier 10
Mouth is connected, and directly the waste water in zinc cation humidifier 10 can be discharged for the lower drain port of zinc cation humidifier 10；
Second water inlet of prewashing water case 51 is connected with water supply pipe, and the second water inlet of prewashing water case 51 is equipped with the first electricity
Magnet valve 53 is equipped with first liquid level gauge 54, the first solenoid valve 53 and first liquid level gauge 54 and PLC controller on prewashing water case 51
(not shown) is connected；In use, the liquid level of prewashing water case 51 is detected by first liquid level gauge 54, when liquid level is less than minimum
When value, PLC controller controls the first solenoid valve 53 and opens, and tap water injects in prewashing water case 51, when liquid level reaches peak
When, PLC controller controls the first solenoid valve 53 and disconnects, injection of the cut-off tap water to prewashing water case 51；Prewashing water case 51
Water outlet be connected with the first nozzle 52 by the first water pump 55, prewashing water, 51 and the first pipeline between nozzle 52 on set
It can be two water pumps in parallel to have the first valve 56 and first pressure gauge 57, the first water pump 55, and a use, another is spare.
The utility model is equipped with second circulation spray equipment 60, second circulation spray equipment 60 in biofiltration device 20
Including filter tank water tank 61 and the second nozzle 62, the setting of the second nozzle 62 is in biofiltration device 20 and is fixed on biofiltration layer
21 tops；First water inlet of filter tank water tank 61 is connected with the lower part of the biofiltration device 20 cycle mouth of a river, biofiltration device
Directly the waste water in biofiltration device 20 can be discharged for 20 lower drain port；Second water inlet of filter tank water tank 61 with originally
Waterpipe is connected, and the second water inlet of filter tank water tank 61 is equipped with second solenoid valve 63, and the second liquid is equipped on filter tank water tank 61
Position meter 64, second solenoid valve 63 and second liquid level gauge 64 are connected with PLC controller (not shown)；In use, passing through second
Liquid level gauge 64 detects the liquid level of filter tank water tank 61, and when liquid level is less than minimum, PLC controller control second solenoid valve 63 is beaten
It opens, tap water injects in filter tank water tank 61, and when liquid level reaches peak, PLC controller controls second solenoid valve 63 and disconnects, and cuts
Only injection of the tap water to filter tank water tank 61；The water outlet of filter tank water tank 61 is connected by the second water pump 65 with the second nozzle 62,
Pipeline between filter tank water tank 61 and the second nozzle 62 is equipped with the second valve 66 and second pressure gauge 67, and the second water pump 65 can be
Two water pumps in parallel, a use, another is spare.
The technological principle of the biological filter deodorizing device of the utility model is：
Biology deodorization technique is a kind of safe and reliable processing method, and odor removal efficient is more than 95%.Its principle：Foul gas
After collection system is collected concentrate send to biological deodorizing device processing, foul smell by moistening, it is porous and full of active microorganism
Filtering layer, absorption, absorption and degradation function using microbial cell to odorant, the cell individual of microorganism is small, surface area
Greatly, the various feature of strong adsorption, metabolic type resolves into CO after adsorbing odorant2、H2O、H2SO4、HNO3Etc. simple nothing
Machine object.
Mechanism of Biodegradation of Organophosphate：Odor causing substance+O2→ cellular material+CO2+H2O etc.；
The reaction process of microorganism decomposition odor pollutant：
Hydrogen sulfide：H2S+2O2→H2SO4
Methyl mercaptan：2CH3SH+7O2→2H2SO4+2CO2+2H2O
Methylate sulphur：(CH3)2S+5O2→H2SO4+2CO2+2H2O
Methyl disulfide：2(CH3)2S2+13O2→4H2SO4+4CO2+2H2O
Ammonia：NH3+2O2→NHO3+H2O
Trimethylamine：2(CH3)3N+13O2→2HNO3+6CO2+8H2O
The biological flora for the stink odor that can degrade, can be on filler surface under the conditions ofs suitable temperature, humidity, pH value etc.
Stable biomembrane is formed, when foul smell is by packing layer, organic foul smell is inhaled after being absorbed by the water layer of biofilm surface by microorganism
Echo degradation.
The utility model biological filter deodorizing device is suitable for generating the effluviums such as hydrogen sulfide, mercaptan, thioether, ammonia and amine
The place of body, such as sewage treatment plant, sludge treatment plant, destructor plant, kitchen garbage treatment plant, night soil-treatment factory, oil stone
Change industry, food-processing industry and pharmaceutical industry.
The preferred embodiment that these are only the utility model, is not intended to limit the utility model, for this field
Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model,
Any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of biological filter deodorizing device, which is characterized in that include being sequentially communicated the biology of setting according to the flow direction of foul smell to wash
Wash humidifier, biofiltration device and activated carbon adsorption device；
The middle part of the zinc cation humidifier is equipped with zinc cation and humidifies layer, and the middle part of the biofiltration device is equipped with life
The middle part of object filter layer, the activated carbon adsorption device is equipped with activated carbon adsorption layer；The top of the zinc cation humidifier
Air inlet is connected with foul smell collection device, lower part gas outlet and the biofiltration device of the zinc cation humidifier
Upper inlet port is connected, the lower part gas outlet of the biofiltration device and the lower part air inlet phase of the activated carbon adsorption device
Even, the top gas outlet of the activated carbon adsorption device is connected with wind turbine.
2. biological filter deodorizing device as described in claim 1, which is characterized in that be equipped in the zinc cation humidifier
First circulation spray equipment；
The first circulation spray equipment includes prewashing water case and the first nozzle, and the first nozzle setting is washed in the biology
It washs in humidifier and above zinc cation humidification layer；First water inlet of the prewashing water case and the biology
The lower part cycle mouth of a river of washing humidifying device is connected, and the second water inlet of the prewashing water case is connected with water supply pipe, institute
The water outlet for stating prewashing water case is connected by the first water pump with first nozzle.
3. biological filter deodorizing device as claimed in claim 2, which is characterized in that the second water inlet of the prewashing water case
It is equipped with the first solenoid valve, first liquid level gauge, first solenoid valve and first liquid level gauge are installed on the prewashing water case
It is connected with PLC controller.
4. biological filter deodorizing device as claimed in claim 2, which is characterized in that the prewashing water case and the first nozzle it
Between pipeline be equipped with the first valve and first pressure gauge, first water pump be two water pumps in parallel.
5. biological filter deodorizing device as described in claim 1, which is characterized in that be equipped with second in the biofiltration device
Circulating sprayer；
The second circulation spray equipment includes filter tank water tank and the second nozzle, and second nozzle is arranged in the biofiltration
In device and above the biofiltration layer；Under the first water inlet and the biofiltration device of the filter tank water tank
Portion recycles the mouth of a river and is connected, and the second water inlet of the filter tank water tank is connected with water supply pipe, the water outlet of the filter tank water tank
It is connected with second nozzle by the second water pump.
6. biological filter deodorizing device as claimed in claim 5, which is characterized in that on the second water inlet of the filter tank water tank
Equipped with second solenoid valve, second liquid level gauge, the second solenoid valve and second liquid level gauge and PLC are installed on the filter tank water tank
Controller is connected.
7. biological filter deodorizing device as claimed in claim 5, which is characterized in that between the filter tank water tank and the second nozzle
Pipeline be equipped with the second valve and second pressure gauge.
8. biological filter deodorizing device as described in claim 1, which is characterized in that the zinc cation humidifier and biology
Filter device is an integral structure.
9. biological filter deodorizing device as described in claim 1, which is characterized in that the zinc cation humidification layer, biological mistake
Filtering layer and activated carbon adsorption layer are each attached on grid-like bracket.
10. biological filter deodorizing device as described in claim 1, which is characterized in that the air inlet of the wind turbine and the work
Property charcoal adsorbent equipment top gas outlet be connected, the air outlet of the wind turbine is communicated with air, in the wind pipe of the wind turbine
It is equipped with H2S detectors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820288688.1U CN208082180U (en) | 2018-03-01 | 2018-03-01 | A kind of biological filter deodorizing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820288688.1U CN208082180U (en) | 2018-03-01 | 2018-03-01 | A kind of biological filter deodorizing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208082180U true CN208082180U (en) | 2018-11-13 |
Family
ID=64061166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820288688.1U Active CN208082180U (en) | 2018-03-01 | 2018-03-01 | A kind of biological filter deodorizing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208082180U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110523262A (en) * | 2019-08-12 | 2019-12-03 | 芜湖职业技术学院 | A kind of biological filter deodorizing device |
| CN112516783A (en) * | 2019-07-24 | 2021-03-19 | 杭州楚环科技股份有限公司 | Multistage purification type water supply balance type deodorization equipment |
-
2018
- 2018-03-01 CN CN201820288688.1U patent/CN208082180U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112516783A (en) * | 2019-07-24 | 2021-03-19 | 杭州楚环科技股份有限公司 | Multistage purification type water supply balance type deodorization equipment |
| CN112516783B (en) * | 2019-07-24 | 2022-05-03 | 杭州楚环科技股份有限公司 | Multistage purification type water supply balance type deodorization equipment |
| CN110523262A (en) * | 2019-08-12 | 2019-12-03 | 芜湖职业技术学院 | A kind of biological filter deodorizing device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204429097U (en) | A kind of biofilter odor purification system | |
| CN202569951U (en) | Device for performing biological deodorization and waste gas treatment on sewage | |
| CN207838678U (en) | A kind of combination deodoration system of paper industry sewage plant | |
| CN102941013B (en) | The compounded mix of biofilter and the method and apparatus of biological deodorizing thereof | |
| CN201415106Y (en) | Offensive odor waste gas full-automatic deodorizing device | |
| CN205055811U (en) | Domestic waste biological deodorization system | |
| CN106178930B (en) | A kind of life assemblage deodorization technique and its device | |
| CN106215687A (en) | Biofilter odor treating device and method | |
| CN104001421B (en) | A kind of employing pretreated compound bio deodorization process of bubble-free aeration and device | |
| CN207745696U (en) | A kind of odor treating device of petroleum chemical industry | |
| CN206381834U (en) | A kind of saprobia deodoration system | |
| CN103623680B (en) | Low temperature organic odor gas treatment system | |
| CN203971716U (en) | Light oxygen-life assemblage odor removal | |
| CN107970760A (en) | A kind of papermaking wastewater station waste gas treatment process | |
| CN208082180U (en) | A kind of biological filter deodorizing device | |
| CN101011591A (en) | Method and apparatus for treating malodorous gas by using composite microorganism and nano composite carrier | |
| CN106237835A (en) | Urban wastewater treatment firm high concentration organic odoriferous emission-control equipment and process technique | |
| CN203389531U (en) | Waste gas deodorization equipment | |
| CN203425699U (en) | Biological deodorization device | |
| KR100881756B1 (en) | Purification method and the apparatus of exhaust gases by using advanced oxidation process of fenton reaction | |
| CN208865448U (en) | A kind of pharmaceutical factory utilizes the cleaning treatment system of high concentration EM bacteria agent deodorization | |
| CN203797857U (en) | Environment-friendly air purifying system for bathrooms | |
| CN206082159U (en) | Organic stench exhaust treatment device of cities and towns sewage treatment plant high concentration | |
| CN205164498U (en) | Integrated treatment purifier of pollutant in waste gas | |
| CN202224059U (en) | Contact adsorption deodorizing system with biological media |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |