CN219647142U - Sewage station odor treatment device - Google Patents
Sewage station odor treatment device Download PDFInfo
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- CN219647142U CN219647142U CN202321375692.9U CN202321375692U CN219647142U CN 219647142 U CN219647142 U CN 219647142U CN 202321375692 U CN202321375692 U CN 202321375692U CN 219647142 U CN219647142 U CN 219647142U
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- 239000010865 sewage Substances 0.000 title claims abstract description 29
- 239000007921 spray Substances 0.000 claims abstract description 54
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 28
- 239000010959 steel Substances 0.000 claims abstract description 28
- 239000007788 liquid Substances 0.000 claims abstract description 24
- 238000001179 sorption measurement Methods 0.000 claims abstract description 24
- 230000015556 catabolic process Effects 0.000 claims abstract description 18
- 238000006731 degradation reaction Methods 0.000 claims abstract description 18
- 238000012546 transfer Methods 0.000 claims abstract description 11
- 238000005507 spraying Methods 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 238000006065 biodegradation reaction Methods 0.000 claims description 9
- 239000003513 alkali Substances 0.000 claims description 8
- 230000000007 visual effect Effects 0.000 claims description 7
- 241000282326 Felis catus Species 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000012423 maintenance Methods 0.000 claims description 5
- 230000009194 climbing Effects 0.000 claims description 3
- 230000008030 elimination Effects 0.000 abstract description 3
- 238000003379 elimination reaction Methods 0.000 abstract description 3
- 238000012545 processing Methods 0.000 abstract description 3
- 239000003344 environmental pollutant Substances 0.000 description 25
- 231100000719 pollutant Toxicity 0.000 description 25
- 239000007789 gas Substances 0.000 description 20
- 244000005700 microbiome Species 0.000 description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 8
- 230000001877 deodorizing effect Effects 0.000 description 8
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 6
- 239000002253 acid Substances 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229910052717 sulfur Inorganic materials 0.000 description 4
- 239000011593 sulfur Substances 0.000 description 4
- 239000002912 waste gas Substances 0.000 description 4
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 3
- 229910021529 ammonia Inorganic materials 0.000 description 3
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 210000000805 cytoplasm Anatomy 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 230000000873 masking effect Effects 0.000 description 2
- 230000004060 metabolic process Effects 0.000 description 2
- 239000002207 metabolite Substances 0.000 description 2
- 230000000813 microbial effect Effects 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 150000002894 organic compounds Chemical class 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003124 biologic agent Substances 0.000 description 1
- 210000004027 cell Anatomy 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004332 deodorization Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 239000002920 hazardous waste Substances 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 230000004936 stimulating effect Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
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
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- Treating Waste Gases (AREA)
Abstract
The utility model relates to the technical field of sewage station odor treatment, in particular to a sewage station odor treatment device, which comprises a steel structure platform, wherein one side of the surface of the steel structure platform is provided with a basic spray tower, one side of the bottom of the basic spray tower is provided with an air inlet pipeline, the surface of the steel structure platform and one side of the basic spray tower are provided with a biological filter tower system, the biological filter tower system adopts two stages in series connection, the biological treatment of the biological filter tower system comprises three stages, namely a biological adsorption stage, a biological degradation stage and a gas-liquid mass transfer stage, the biological adsorption stage and the biological degradation stage are fixedly connected to the surface of the steel structure platform, and one end of the steel structure platform far away from the basic spray tower is fixedly connected with a discharge tower. The utility model has the advantages of lower running cost and convenient operation and management; meanwhile, the device adopts an automatic control system and a remote control system, so that the processing efficiency is ensured, the fault elimination is quickened, and the operation cost is reduced.
Description
Technical Field
The utility model relates to the technical field of sewage station odor treatment, in particular to a sewage station odor treatment device.
Background
The sewage treatment plant/station can generate a large amount of malodorous gas in the sewage and sludge collecting and treating process, the malodorous gas is mainly caused by gas generated by putrefaction and volatilization of organic matters, and various toxic and harmful polluted gas in the sewage can volatilize, especially hydrogen sulfide, ammonia and sulfur-containing organic gas, so as to influence the atmospheric environment of a factory area and surrounding areas.
The odor of a sewage station is an odor which has a stimulating effect on olfactory organs of people, makes people feel unpleasant and endangers living environment and human health, often in sewage plants near residential areas, and has more and more dissatisfaction and complaints on the odor, and the odor management has attracted importance to the country and related departments.
The current method for collecting and treating the odor of the sewage treatment station is single, and after collection, active carbon is generally adopted for adsorption or spraying of medicaments such as biological deodorization preparations and the like, and as the active carbon is subjected to the physical adsorption process, the large specific surface area of the active carbon is utilized for fixing odor pollution factors in the active carbon, and the saturated active carbon needs to be treated as hazardous waste; when the medicine is sprayed with the common fragrance, the biological agent mainly covers the odor and can not decompose pollutants, and the common method has some defects that the pollutants can not be degraded.
Disclosure of Invention
The utility model aims to provide an odor treatment device for a sewage station, which aims to solve the problem that pollutants cannot be degraded in the prior treatment device.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the sewage station odor treatment device comprises a steel structure platform, wherein a basic spray tower is arranged on one side of the surface of the steel structure platform, and an air inlet pipeline is arranged on one side of the bottom of the basic spray tower and is used for being connected with a sewage treatment station gas collecting pipeline; the biological treatment of the biological filter tower system comprises three stages, namely a biological adsorption stage, a biological degradation stage and a gas-liquid mass transfer stage, wherein the biological adsorption stage and the biological degradation stage are fixedly connected to the surface of the steel structure platform, and the adjacent biological adsorption stage and the biological degradation stage are communicated through the gas-liquid mass transfer stage; and one end, far away from the basic spray tower, of the steel structure platform is fixedly connected with a discharge tower, and the discharge tower is communicated with the biodegradation stage through an exhaust system.
Preferably, the surface of the front surface of the basic spray tower is also embedded with two groups of visual windows, and the visual windows are used for observing the inside of the basic spray tower; the surface fixing on basic spray column back is connected with cat ladder, and this cat ladder is used for basic spray column's climbing maintenance work.
Preferably, the surface of the steel structure platform is fixedly connected with a circulating water tank with a water draining valve, which is positioned on one side of the basic spray tower, and the circulating water tank is used for circulating water in the basic spray tower.
Preferably, one side of the bottom of the biological adsorption stage is provided with a gas pipeline through a bolt, the other end of the gas pipeline is fixedly connected with the basic spray tower, and the gas pipeline is used for conducting the basic spray tower and the biological adsorption stage; the biological filter material layer is arranged in the biodegradation stage, and can provide a good habitat for deodorizing microorganisms.
Preferably, the inside of basic spray column is provided with the multiaspect hollow sphere, and the gas-liquid that gets into in the basic spray column by the admission line meets in multiaspect hollow sphere inside, forms good gas-liquid contact, inside and the being located multiaspect hollow sphere top of basic spray column still is provided with this spraying system of spraying system and is used for spraying alkali lye.
Preferably, the exhaust system comprises an air outlet pipe, an induced draft fan and an exhaust pipe, wherein the air outlet pipe is communicated with the bottom of the biodegradation stage, the other end of the air outlet pipe is connected with two groups of induced draft fans, the water outlet end of each induced draft fan is connected with the exhaust pipe, and the exhaust pipe is mutually communicated with the exhaust tower.
Compared with the prior art, the utility model has the beneficial effects that: according to the sewage station odor treatment device, the basic spray tower and the biological filter tower system are arranged, so that the odor treatment device mainly solves the false treatment of physical adsorption of active carbon or odor masking in principle, fundamentally solves the problem of odor pollutants, and degrades pollutant factors into harmless substances according to the characteristics of the pollutant factors; the front end of the device system adopts basic spraying, liquid can be recycled and properly added, and can continuously run after the deodorizing microorganisms are inoculated and cultured in the biological deodorizing stage to play a role in degradation, and the good biological bacteria in the system can be utilized to well degrade odor pollutants, and meanwhile, the running cost is lower, and the operation and the management and the maintenance are convenient; meanwhile, the device adopts an automatic control system and a remote control system, so that the processing efficiency is ensured, the fault elimination is quickened, and the operation cost is reduced.
Drawings
FIG. 1 is a schematic view of the front view of the present utility model;
fig. 2 is a schematic top view of the present utility model.
In the figure: 1. a steel structure platform; 2. a basic spray tower; 21. a visual window; 22. a gas line; 23. a ladder stand; 3. an air intake duct; 4. a circulation water tank; 5. a biological filtration tower system; 51. a biological adsorption stage; 52. a biodegradation stage; 53. a gas-liquid mass transfer stage; 6. a discharge tower; 7. an exhaust system; 71. an air outlet pipe; 72. an induced draft fan; 73. and an exhaust pipe.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
The structure of the sewage station odor treatment device provided by the utility model is shown in fig. 1 and 2, and the sewage station odor treatment device comprises a steel structure platform 1, wherein the steel structure platform 1 is a channel steel base, and the upper surface of the steel structure platform is a flat corrugated steel plate panel; the basic spray tower 2 is arranged on one side of the surface of the steel structure platform 1, the air inlet pipeline 3 is arranged on one side of the bottom of the basic spray tower 2, the air inlet pipeline 3 is used for connecting a sewage treatment station gas collecting pipeline, two groups of visual windows 21 are also inlaid on the front surface of the basic spray tower 2, and the visual windows 21 are used for observing the inside of the basic spray tower 2; the surface fixedly connected with cat ladder 23 at the back of basic spray tower 2, this cat ladder 23 is used for basic spray tower 2's climbing maintenance work, steel constructs platform 1 surface and is located basic spray tower 2's one side fixedly connected with has the circulation basin 4 of drain valve, and circulation basin 4 is used for basic spray tower 2 inside water circulation work, basic spray tower 2's inside is provided with the multiaspect hollow sphere, get into basic spray tower 2 by admission line 3 the gas-liquid intersection in multiaspect hollow sphere inside, form good gas-liquid contact, basic spray tower 2 is inside and be located multiaspect hollow sphere top still to be provided with spray system, this spray system is used for spraying alkali lye.
When the method is implemented, firstly, after the odor is collected through the closed cover pipeline, the odor in the sewage station is comprehensively collected by utilizing the suction effect of the tail end negative pressure fan to prevent overflow, after the exhaust gas is collected, the odor enters the basic spray tower 2 through the air inlet pipeline 3, the basic spray tower 2 is utilized to spray alkali liquor, and the alkali liquor is subjected to neutralization reaction with acid pollutants, so that the acid pollutants are removed, the countercurrent gas liquid is converged in the built-in multi-surface hollow sphere to form good gas-liquid contact, and the water-soluble and acid pollutants can be degraded through the spraying system.
Further, as shown in fig. 1 and fig. 2, a biological filter tower system 5 is arranged on the surface of the steel structure platform 1 and on one side of the basic spray tower 2, a gas transmission pipeline 22 is mounted on one side of the bottom of the biological adsorption stage 51 through bolts, the other end of the gas transmission pipeline 22 is fixedly connected with the basic spray tower 2, and the gas transmission pipeline 22 is used for conducting the basic spray tower 2 and the biological adsorption stage 51; the biological degradation stage 52 is internally provided with a biological filter material layer which can provide a good habitat for deodorizing microorganisms, the biological filter tower system 5 adopts two stages in series connection, the biological treatment of the biological filter tower system 5 comprises three stages, namely a biological adsorption stage 51, a biological degradation stage 52 and a gas-liquid mass transfer stage 53, the biological adsorption stage 51 and the biological degradation stage 52 are fixedly connected on the surface of the steel structure platform 1, and the adjacent biological adsorption stage 51 and the biological degradation stage 52 are communicated through the gas-liquid mass transfer stage 53; one end of the steel structure platform 1, which is far away from the basic spray tower 2, is fixedly connected with a discharge tower 6, the discharge tower 6 is of a discharge chimney structure, the discharge tower 6 is communicated with the biodegradation stage 52 through a discharge system 7, the discharge system 7 comprises an air outlet pipe 71, an induced draft fan 72 and an exhaust pipe 73, the air outlet pipe 71 is communicated with the bottom of the biodegradation stage 52, the other end of the air outlet pipe 71 is connected with two groups of induced draft fans 72, the water outlet end of the induced draft fan 72 is connected with the exhaust pipe 73, and the exhaust pipe 73 is mutually communicated with the discharge tower 6.
After preliminary treatment, the odor concentration is reduced, the wastewater enters the biological filter tower system 5, the biological filter tower system 5 adopts two stages of serial connection, a biological filter material layer is arranged in the biological degradation stage 52, a composite carrier is adopted to provide a good habitat environment for deodorizing microorganisms, the biological treatment of the biological filter tower system 5 comprises three stages, namely a biological adsorption stage 51, a biological degradation stage 52 and a gas-liquid mass transfer stage 53, pollutants in waste gas are degraded into simple inorganic matters and microbial cytoplasm in the metabolism process by utilizing microorganisms attached to the stuffing in the reactor, and metabolites and aged biological films can be timely transferred by circulating liquid, so that the effect of treating the malodorous gases such as hydrogen sulfide, ammonia and the like in the pollutants is remarkable, and the pollutants are discharged by the exhaust system 7 into the discharge tower 6 after the biological filter tower system 5 is treated.
The utility model converts sulfur in sulfur-containing malodorous contaminants into environmentally stable sulfate; conversion of nitrogen in nitrogen-containing contaminants to environmentally stable nitrates or nitrogen, in particular, sulfur-containing organic or inorganic compounds into O 2 Then, the mixture is degraded by microorganisms to produce CO 2 And H is 2 O and SO4 2- And cellular material, while NH 3 Or N-containing organic compounds into O 2 Then is degraded by microorganism to produce CO 2 And H is 2 O and NO 3- And cell substances, wherein after the reaction process, the odor gaseous pollutants undergo a mass transfer process from a gas phase to a liquid film on the surface of a liquid phase or a solid, and then the pollutants are degraded by microorganisms on the surface of the liquid phase or the solid phase, so that the odor treatment purpose is finally realized.
The utility model solves the false treatment mainly of physical adsorption or odor masking of the activated carbon in principle, fundamentally solves the problem of odor pollutants, and respectively degrades pollutant factors according to the characteristics of the odor pollutants to be converted into harmless substances; the front end of the device system adopts basic spraying, liquid can be recycled and properly added, and can continuously run after the deodorizing microorganisms are inoculated and cultured in the biological deodorizing stage to play a role in degradation, and the good biological bacteria in the system can be utilized to well degrade odor pollutants, and meanwhile, the running cost is lower, and the operation and the management and the maintenance are convenient; meanwhile, the device adopts an automatic control system and a remote control system, so that the processing efficiency is ensured, the fault elimination is quickened, and the operation cost is reduced.
Working principle: when the sewage station is used, firstly, odor is collected through the closed cover pipeline, the odor in the sewage station is comprehensively collected by utilizing the suction effect of the tail end negative pressure fan to prevent overflow, after the waste gas is collected, the waste gas firstly enters the basic spray tower 2 through the air inlet pipeline 3, the alkali liquor is sprayed by the spraying system in the basic spray tower 2 to be subjected to neutralization reaction with acid pollutants, so that the acid pollutants are removed, the countercurrent gas liquid is converged in the built-in polyhedral hollow sphere to form good gas-liquid contact, and the water-soluble and acid pollutants can be degraded through the spraying system.
After preliminary treatment, the odor concentration is reduced, and then the wastewater enters the biological filter tower system 5, the biological filter tower system 5 adopts a two-stage serial connection type, a biological filter material layer is arranged in the biological degradation stage 52, a good habitat environment can be provided for deodorizing microorganisms by adopting a composite carrier, the biological treatment of the biological filter tower system 5 comprises three stages, namely a biological adsorption stage 51, a biological degradation stage 52 and a gas-liquid mass transfer stage 53, pollutants in waste gas are degraded into simple inorganic matters and microbial cytoplasm in the metabolism process by utilizing microorganisms attached to the inner packing of a reactor, and metabolites and aged biological films can be timely transferred by circulating liquid, so that the effect of treating malodorous gases such as hydrogen sulfide, ammonia and the like in the pollutants is remarkable, and the pollutants are treated by the biological filter tower system 5 and then enter the discharge tower 6 to realize discharge.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof.
Claims (6)
1. The utility model provides a sewage station odor treatment device, includes steel structure platform (1), its characterized in that: one side of the surface of the steel structure platform (1) is provided with a basic spray tower (2), one side of the bottom of the basic spray tower (2) is provided with an air inlet pipeline (3), and the air inlet pipeline (3) is used for connecting a sewage treatment station gas collecting pipeline; the biological treatment device comprises a steel structure platform (1), wherein a biological filter tower system (5) is arranged on the surface of the steel structure platform (1) and positioned on one side of a basic spray tower (2), the biological filter tower system (5) is connected in series in two stages, biological treatment of the biological filter tower system (5) comprises three stages, namely a biological adsorption stage (51), a biological degradation stage (52) and a gas-liquid mass transfer stage (53), the biological adsorption stage (51) and the biological degradation stage (52) are fixedly connected on the surface of the steel structure platform (1), and the adjacent biological adsorption stage (51) and the biological degradation stage (52) are communicated through the gas-liquid mass transfer stage (53); one end of the steel structure platform (1) far away from the basic spray tower (2) is fixedly connected with a discharge tower (6), and the discharge tower (6) is communicated with the biodegradation stage (52) through an exhaust system (7).
2. A sewage station odor treatment apparatus according to claim 1, wherein: two groups of visual windows (21) are also inlaid on the surface of the front surface of the basic spray tower (2), and the visual windows (21) are used for observing the inside of the basic spray tower (2); the surface fixing on basic spray column (2) back is connected with cat ladder (23), and this cat ladder (23) are used for basic spray column (2) climbing maintenance work.
3. A sewage station odor treatment apparatus according to claim 1, wherein: the water circulation device is characterized in that a circulating water tank (4) with a water drainage valve is fixedly connected to the surface of the steel structure platform (1) and located on one side of the basic spray tower (2), and the circulating water tank (4) is used for circulating water in the basic spray tower (2).
4. A sewage station odor treatment apparatus according to claim 1, wherein: one side of the bottom of the biological adsorption stage (51) is provided with a gas transmission pipeline (22) through bolts, the other end of the gas transmission pipeline (22) is fixedly connected with the basic spray tower (2), and the gas transmission pipeline (22) is used for conducting the basic spray tower (2) and the biological adsorption stage (51); the biodegradation stage (52) is internally provided with a biological filter layer.
5. A sewage station odor treatment apparatus according to claim 1, wherein: the alkali type alkali liquor spraying device is characterized in that a polyhedral hollow sphere is arranged in the basic spraying tower (2), gas and liquid entering the basic spraying tower (2) through an air inlet pipeline (3) are converged in the polyhedral hollow sphere, and a spraying system is arranged in the basic spraying tower (2) and above the polyhedral hollow sphere and used for spraying alkali liquor.
6. A sewage station odor treatment apparatus according to claim 1, wherein: the exhaust system (7) comprises an air outlet pipe (71), an induced draft fan (72) and an exhaust pipe (73), wherein the air outlet pipe (71) is communicated with the bottom of the biodegradation stage (52), the other end of the air outlet pipe (71) is connected with two groups of induced draft fans (72), the water outlet end of each induced draft fan (72) is connected with the exhaust pipe (73), and the exhaust pipe (73) is mutually communicated with the exhaust tower (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321375692.9U CN219647142U (en) | 2023-06-01 | 2023-06-01 | Sewage station odor treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321375692.9U CN219647142U (en) | 2023-06-01 | 2023-06-01 | Sewage station odor treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219647142U true CN219647142U (en) | 2023-09-08 |
Family
ID=87875917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321375692.9U Active CN219647142U (en) | 2023-06-01 | 2023-06-01 | Sewage station odor treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219647142U (en) |
-
2023
- 2023-06-01 CN CN202321375692.9U patent/CN219647142U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A sewage station odor treatment device Granted publication date: 20230908 Pledgee: Xiamen SME Financing Guarantee Co.,Ltd. Pledgor: XIAMEN FUTIAN ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Registration number: Y2024980005393 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |