CN108079763A - Life in the countryside and aquaculture wastewater processing anaerobic pond sealing deodorizing lid and its processing method - Google Patents
Life in the countryside and aquaculture wastewater processing anaerobic pond sealing deodorizing lid and its processing method Download PDFInfo
- Publication number
- CN108079763A CN108079763A CN201711425679.9A CN201711425679A CN108079763A CN 108079763 A CN108079763 A CN 108079763A CN 201711425679 A CN201711425679 A CN 201711425679A CN 108079763 A CN108079763 A CN 108079763A
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- Prior art keywords
- deodorizing
- layer
- anaerobic pond
- lid
- life
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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
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/52—Hydrogen sulfide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/54—Nitrogen compounds
- B01D53/58—Ammonia
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/75—Multi-step processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/84—Biological processes
- B01D53/85—Biological processes with gas-solid contact
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- 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
- B01D53/86—Catalytic processes
-
- 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
- C02F3/28—Anaerobic digestion processes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Abstract
The invention discloses a kind of lives in the countryside and aquaculture wastewater processing anaerobic pond sealing deodorizing lid and its processing method, deodorizing lid is equipped at the top of anaerobic pond, deodorizing lid is equipped with processing unit, and processing unit includes gas gathering mask, high-performance bio filtration deodorization layer, absorbing and deodorizing layer from the bottom to top；It is equipped at the top of deodorizing lid and sprays deodorizing microorganism or biological nutrient liquid to the automatic sprayer on deodorizing lid.The present invention can reduce the operation difficulty of domestic sewage in rural areas Odor control, reduce manually input, raising peasant and use enthusiasm, while effectively reduce the pollution to environment and air.
Description
Technical field
The present invention relates to lives in the countryside and aquaculture wastewater processing technology field, and in particular to one kind, which has, prevents foul smell from spreading
Life in the countryside and aquaculture wastewater processing anaerobic pond sealing deodorizing lid with deodorization functions.
Background technology
In the processing procedure of present sewage, easily because the factors such as sewage itself and treatment process generate foul smell, external dirty
Water deodoring technology has had the operation experience of decades, nowadays with the raising of domestic economy level and the reinforcement of environmental consciousness,
The exploration of this aspect is also gradually being risen with research.At present, the deodorization technology of domestic and international sewage mainly active carbon adsorption, heat
Oxidizing process, deodorization solution deodorization process, oxonium ion group deodorization process, chemical detergent method and biological deodorizing filtration method etc..
Nowadays, to administer foul smell, cesspool pond body is usually used sealing prevents foul smell from dissipating for municipal sewage plant
The method of hair, and foul smell is accessed into waste gas treatment equipment by pipeline and carries out purified treatment, the waste gas treatment equipment and sealing
System is all independent from each other between cover and mud scraper, each system needs each independent power supply, pipeline and infrastructure,
Poor synchronization, energy consumption are big, occupied ground is big.Since the processing of domestic sewage in rural areas and the operation of equipment are limited be subject to factors
System, for example processing water is small, technical staff is few, builds and operation management financial strain etc., determines and is removed in domestic sewage in rural areas
Smelly aspect cannot apply mechanically the methods and techniques of urban wastewater treatment firm completely.Usual anaerobic pond is at life in the countryside and aquaculture wastewater
Reason generate foul smell main source, foul smell not only can corrosion treatment equipment, also drift with the wind, grow mosquitos and flies, it is higher in temperature
Summer, this phenomenon was even more serious, influence ecology and generated while living environment or even to villager's health it is potentially hazardous, no
The construction of improvement and new rural village beneficial to look of a village village looks.
The content of the invention
In view of the deficienciess of the prior art, the present invention provides a kind of life in the countryside and aquaculture wastewater processing anaerobic pond is close
Deodorizing lid is sealed, the operation difficulty of domestic sewage in rural areas Odor control can be reduced, manually input, raising peasant use actively for reduction
Property, while effectively reduce the pollution to environment and air.
The first object of the present invention is to provide a kind of life in the countryside and aquaculture wastewater processing anaerobic pond sealing deodorizing lid,
Be equipped with deodorizing lid at the top of anaerobic pond, above-mentioned deodorizing lid is equipped with processing unit, above-mentioned processing unit include from the bottom to top gas gathering mask,
High-performance bio filtration deodorization layer, absorbing and deodorizing layer；It is equipped at the top of above-mentioned deodorizing lid and arrives deodorizing microorganism or biological nutrient liquid spray
Automatic sprayer on deodorizing lid.
The water distributor of perforation is equipped between above-mentioned high-performance bio filtration deodorization layer and absorbing and deodorizing layer, above-mentioned water distributor passes through
Dismountable valve is connected with above-mentioned automatic sprayer, above-mentioned water distributor by a diameter of 1-10cm the netted connection group of perforated pipe
Into.
Above-mentioned automatic sprayer connects microbial deoderizer tank or biological nutrition flow container by pipeline respectively.
Gasket is additionally provided between above-mentioned anaerobic pond and above-mentioned deodorizing lid.
Above-mentioned high-performance bio filtration deodorization layer bottom is equipped with gas distribution pipe, and above-mentioned gas distribution pipe is connected with above-mentioned gas gathering mask, above-mentioned
Gas distribution pipe is made of the netted connection of perforated pipe of a diameter of 1-10cm.Above-mentioned high-performance bio filtration deodorization layer is distinguished from bottom to top
For：First layer lightweight and the larger plastic deeping filler of specific surface area；The good micro porous molecular sieve of second layer absorption property；Third layer
Lightweight and the larger plastic deeping filler of specific surface area；4th layer of wormcast and sawdust 1:1 mixed fillers.
Above-mentioned cover bottom is connected with lightweight stent, and handle is equipped at the top of above-mentioned cover.
Osculum is additionally provided on above-mentioned gas gathering mask.
The cover detachably opened is equipped at the top of above-mentioned absorbing and deodorizing layer, exhaust pipe is additionally provided in above-mentioned cover.
Above-mentioned absorbing and deodorizing layer includes replaceable catalytic activity carbon filling material.
The second object of the present invention is to provide a kind of life in the countryside and aquaculture wastewater processing anaerobic pond sealing deodorizing lid
Processing method, above method step is as follows：
（1）Gas collection：By gas gathering mask, the foul smell that anaerobic pond generates is collected；
（2）Gas distribution：The foul smell being collected is by gas distribution pipe even into processing unit, and processing unit is by filtration deodorization layer and absorption
Deodorizing layer is formed；
（3）Gas purification is handled：Gas from bottom to top, with the filler in processing unit come into full contact with concurrent biology reason, chemistry and
Biological effect, the irritative gas such as hydrogen sulfide, ammonia in foul smell are progressively degraded by filling adsorption and further, converted；
（4）Exhaust：After gas is by multi task process, device upper end is pooled to, is finally discharged by the exhaust outlet 6 of processing unit.
（5）Periodically sprinkle biological nutrient liquid：The biological nutrient liquid of pH=7.0 ~ 7.2 is sprayed to high-performance bio filtration deodorization layer,
Nutrient solution forms:It is risen per l in water and contains K2HPO4:2.0g, KH2PO4:0.5g, MgSO4:0.3g, CaCl2:0.05g,
FeSO4:0.01g, (NH4)2SO4:3.0g, sodium lactate:2.5g, yeast extract:5g twice a week, ensures that high-performance bio is crossed and filters out
Smelly layer humidity, while supplement the nutrients for microorganism and the primary condition of existence is provided；
（6）Regular microbial deoderizer：By spraying commercially available EM bacteria agent to high-performance bio filtration deodorization layer, once a week, protect
Demonstrate,prove high-performance bio deodorizing effect.
The present invention has following advantageous effects：
1st, without human intervention, you can complete anaerobic pond foul smell from the process for being collected into processing, greatly reduce human input.
2nd, strong applicability, deodorizing lid size can be adjusted for different size of anaerobic pond.
3rd, filler and convenient maintenance and replacement can in time be adjusted according to practical operation situation.
4th, odorless is spread, and high treating effect is obviously improved ambient enviroment.
5th, mobility is strong, does not interfere the sampling and detection of conventional sanitary sewage, and greatly reduces water sampling personnel
Contact with pernicious gas, improves working environment.
6th, fund input is saved in a manner that flow by gravity water distribution is combined using microkinetic spray.
Description of the drawings
Fig. 1 is schematic structural view of the invention.
Fig. 2 is the detailed mechanism figure of Fig. 1.
In figure：1st, deodorizing lid；2nd, automatic sprayer；3rd, biological nutrition flow container；4th, microbial deoderizer tank；5th, anaerobism
Pond；6th, exhaust pipe；7th, absorbing and deodorizing layer；8th, water distributor；9th, dismountable valve；10th, high-performance bio filtration deodorization layer；11st, seal
Bed course；12nd, handle；13rd, gas distribution pipe；14th, biofiltration layer osculum；15th, gas gathering mask；16th, lightweight stent.
Specific embodiment
Embodiment 1
A kind of life in the countryside and aquaculture wastewater processing include anaerobic pond 5 with anaerobic pond sealing deodorizing lid, at 5 top manhole of anaerobic pond
Equipped with deodorizing lid 1, deodorizing lid 1 is equipped with processing unit, and processing unit includes gas gathering mask 15 from the bottom to top, high-performance bio is crossed and filtered out
Smelly layer 10, absorbing and deodorizing layer 7；1 top of deodorizing lid, which is equipped with, will remove the smelly microbial inoculum of microorganism or biological nutrient liquid spray to deodorizing lid
Automatic sprayer 2.
The water distributor 8 of perforation is equipped between high-performance bio filtration deodorization layer 10 and absorbing and deodorizing layer 7, water distributor 8 is by can
Dismounting valve is connected with automatic sprayer 2, and water distributor 8 is made of the netted connection of perforated pipe of a diameter of 1-10cm.
Automatic sprayer 2 connects biological nutrition flow container 3 or microbial deoderizer tank 4 by pipeline respectively.
Gasket 11 is additionally provided between anaerobic pond 5 and deodorizing lid 1.
10 bottom of high-performance bio filtration deodorization layer is equipped with gas distribution pipe 13, and gas distribution pipe 13 is connected with gas gathering mask 15, gas distribution pipe 13
It is made of the netted connection of the perforated pipe of a diameter of 1-10cm.Bottom of device is evenly distributed on by gas distribution pipe 13.Afterwards progressively upwards
High-performance bio filtration deodorization layer 10 is moved to, is carried out the first stage of Odor control by the method for biology, while is coordinated efficient
The water distributor 8 on biological filter deodorizing layer top supplements biological nutrient liquid 3, maintains stable treatment effeciency in due course.In addition, smelly
When gas concentration is higher, special microbial deoderizer 4 can also be sprayed by water distributor 8, strengthens treatment effeciency.Last gas will
By photocatalytic active carbon depth absorbing and deodorizing layer, reinforcing and the advanced treating of foul smell are carried out.The final anaerobism for realizing qualified discharge
5 foul smell of pond is discharged into external environment by the exhaust pipe 6 at the top of device, and hydrogen sulfide treatment rate is up to more than 97% in foul smell, ammonia
Handling rate is up to more than 85%.
High-performance bio filtration deodorization layer 10 is respectively from bottom to top：First layer lightweight and the larger plastic deeping of specific surface area
Filler；The good micro porous molecular sieve of second layer absorption property, thickness 10cm；Third layer lightweight and the larger plastic deeping of specific surface area
Filler；4th layer of wormcast and sawdust 1:1 mixed fillers, thickness 10cm.
1 bottom of cover is connected with lightweight stent 16, and 1 top of cover is equipped with handle 12.In mobile anaerobic pond sealing deodorizing lid 1
When, it can be by the use of the handle 12 at the top of it as impetus, when on anaerobic pond 5, sealing bed course 11 can play buffering and sealing
Effect, when having the ground being placed on outside anaerobic pond 5, there is 16 supportive body of lightweight hard support, main element avoided to be pressurized damaged.
Osculum 14 is additionally provided on gas gathering mask 15.The filtrate that high-performance bio filtration deodorization layer generates is discharged by osculum 14 detests
Oxygen pond 5.
7 top of absorbing and deodorizing layer is equipped with the lightweight compound resin cover 1 detachably opened, and exhaust pipe is additionally provided in cover 1
6。
Absorbing and deodorizing layer 7 includes replaceable catalytic activity carbon filling material.
Embodiment 2
In conjunction with the embodiments 1, the processing method of a kind of life in the countryside and aquaculture wastewater processing anaerobic pond sealing deodorizing lid, method step
It is rapid as follows：
（1）Gas collection：By gas gathering mask, the foul smell that anaerobic pond generates is collected；
（2）Gas distribution：The foul smell being collected is by gas distribution pipe even into processing unit, and processing unit is by filtration deodorization layer and absorption
Deodorizing layer is formed；
（3）Gas purification is handled：Gas from bottom to top, with the filler in processing unit come into full contact with concurrent biology reason, chemistry and
Biological effect, the irritative gas such as hydrogen sulfide, ammonia in foul smell are progressively degraded by filling adsorption and further, converted；
（4）Exhaust：After gas is by multi task process, device upper end is pooled to, is finally discharged by the exhaust outlet 6 of processing unit.
（5）Periodically sprinkle biological nutrient liquid：Biological nutrient liquid is sprayed to high-performance bio filtration deodorization layer, to high-performance bio mistake
The biological nutrient liquid of deodorizing layer sprinkling pH=7.0 ~ 7.2 is filtered, nutrient solution composition is:It is risen per l in water and contains K2HPO4:2.0g,
KH2PO4:0.5g, MgSO4:0.3g, CaCl2:0.05g, FeSO4:0.01g, (NH4)2SO4:3.0g, sodium lactate:2.5g,
Yeast extract:5g twice a week, ensures high-performance bio filtration deodorization layer humidity, while supplements the nutrients for microorganism and provide existence
Primary condition；
（6）Regular microbial deoderizer：By spraying commercially available EM bacteria agent to high-performance bio filtration deodorization layer, once a week, protect
Demonstrate,prove high-performance bio deodorizing effect.According to the difference of service condition, can also set as follows：In step（1）To step（6）In, also
If there are one photo-irradiation treatment process, the common strong light illumination lamp that is arranged on 5 inner wall of anaerobic pond by one, illumination lamp is by intense light irradiation
It penetrates and enters in sewage, the switch of illumination lamp is connected and is controlled by it with the controller of automatic sprayer 2, and according to sprinkling
Microbial deoderizer species chooses whether to open or close, when the microbial deoderizer of sprinkling is to contain photosynthetic bacteria（Carefully
Bacterium is purple sulphur or non-sulfur bacteria or green sulfur bacteria）Liquid bacterial agent, illumination lamp open, otherwise close.
It the above is only the preferred embodiment of the present invention, protection scope of the present invention is not limited merely to embodiment, all categories
Technical solution under thinking of the present invention all belongs to the scope of protection of the present invention.It should be pointed out that for the common of the art
For technical staff, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications also should be regarded as
Protection scope of the present invention.
Claims (10)
1. life in the countryside and aquaculture wastewater processing anaerobic pond sealing deodorizing lid, it is characterised in that：Deodorization is equipped at the top of anaerobic pond
Lid, the deodorizing lid are equipped with processing unit, and the processing unit includes gas gathering mask, high-performance bio filtration deodorization from the bottom to top
Layer, absorbing and deodorizing layer；It is equipped at the top of the deodorizing lid and sprays deodorizing microorganism or biological nutrient liquid to the automatic spray on deodorizing lid
Mist device.
2. life in the countryside according to claim 1 and aquaculture wastewater processing anaerobic pond sealing deodorizing lid, it is characterised in that：
The water distributor of perforation is equipped between the high-performance bio filtration deodorization layer and absorbing and deodorizing layer, the water distributor passes through removable valve
Door is connected with the automatic sprayer, and the water distributor is made of the netted connection of perforated pipe of a diameter of 1-10cm.
3. life in the countryside according to claim 2 and aquaculture wastewater processing anaerobic pond sealing deodorizing lid, it is characterised in that：
The automatic sprayer connects microbial deoderizer tank or biological nutrition flow container by pipeline respectively.
4. life in the countryside according to claim 1 and aquaculture wastewater processing anaerobic pond sealing deodorizing lid, it is characterised in that：
Gasket is additionally provided between the anaerobic pond and the deodorizing lid.
5. life in the countryside according to claim 1 and aquaculture wastewater processing anaerobic pond sealing deodorizing lid, it is characterised in that：
The high-performance bio filtration deodorization layer bottom is equipped with gas distribution pipe, and the gas distribution pipe is connected with the gas gathering mask, the gas distribution pipe by
The netted connection composition of perforated pipe of a diameter of 1-10cm, the high-performance bio filtration deodorization layer are respectively from bottom to top：First layer
Lightweight and the larger plastic deeping filler of specific surface area；The good micro porous molecular sieve of second layer absorption property；Third layer lightweight and ratio
The larger plastic deeping filler of surface area；4th layer of wormcast and sawdust 1:1 mixed fillers.
6. life in the countryside according to claim 1 and aquaculture wastewater processing anaerobic pond sealing deodorizing lid, it is characterised in that：
The cover bottom is connected with lightweight stent, and handle is equipped at the top of the cover.
7. life in the countryside according to claim 1 and aquaculture wastewater processing anaerobic pond sealing deodorizing lid, it is characterised in that：
Osculum is additionally provided on the gas gathering mask.
8. life in the countryside according to claim 1 and aquaculture wastewater processing anaerobic pond sealing deodorizing lid, it is characterised in that：
The lightweight compound resin cover detachably opened is equipped at the top of the absorbing and deodorizing layer, exhaust pipe is additionally provided in the cover.
9. life in the countryside according to claim 1 and aquaculture wastewater processing anaerobic pond sealing deodorizing lid, it is characterised in that：
The absorbing and deodorizing layer includes replaceable catalytic activity carbon filling material.
10. life in the countryside and the processing method of aquaculture wastewater processing anaerobic pond sealing deodorizing lid, it is characterised in that：The method
Step is as follows：
（1）Gas collection：By gas gathering mask, the foul smell that anaerobic pond generates is collected；
（2）Gas distribution：The foul smell being collected is by gas distribution pipe even into processing unit, and processing unit is by filtration deodorization layer and absorption
Deodorizing layer is formed；
（3）Gas purification is handled：Gas from bottom to top, with the filler in processing unit come into full contact with concurrent biology reason, chemistry and
Biological effect, the irritative gas such as hydrogen sulfide, ammonia in foul smell are progressively degraded by filling adsorption and further, converted；
（4）Exhaust：After gas is by multi task process, device upper end is pooled to, is finally discharged by the exhaust outlet 6 of processing unit;
（5）Periodically sprinkle biological nutrient liquid：To the biological nutrient liquid of high-performance bio filtration deodorization layer sprinkling pH=7.0 ~ 7.2, nutrition
Liquid forms:It is risen per l in water and contains K2HPO4:2.0g, KH2PO4:0.5g, MgSO4:0.3g, CaCl2:0.05g, FeSO4:
0.01g, NH42SO4:3.0g, sodium lactate:2.5g, yeast extract:5g twice a week, ensures that high-performance bio filtration deodorization layer is wet
Degree, while supplement the nutrients for microorganism and the primary condition of existence is provided；
（6）Regular microbial deoderizer：By spraying commercially available EM bacteria agent to high-performance bio filtration deodorization layer, once a week, protect
Demonstrate,prove high-performance bio deodorizing effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711425679.9A CN108079763A (en) | 2017-12-25 | 2017-12-25 | Life in the countryside and aquaculture wastewater processing anaerobic pond sealing deodorizing lid and its processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711425679.9A CN108079763A (en) | 2017-12-25 | 2017-12-25 | Life in the countryside and aquaculture wastewater processing anaerobic pond sealing deodorizing lid and its processing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108079763A true CN108079763A (en) | 2018-05-29 |
Family
ID=62178743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711425679.9A Pending CN108079763A (en) | 2017-12-25 | 2017-12-25 | Life in the countryside and aquaculture wastewater processing anaerobic pond sealing deodorizing lid and its processing method |
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| Country | Link |
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| CN (1) | CN108079763A (en) |
Cited By (5)
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| CN109850974A (en) * | 2019-01-16 | 2019-06-07 | 吉林农业大学 | A kind of method of sewage treatment deodorization |
| WO2020135322A1 (en) * | 2018-12-25 | 2020-07-02 | 湖南智水环境工程有限公司 | Sewage treatment apparatus suitable for single-family domestic sewage treatment |
| CN111622538A (en) * | 2020-05-28 | 2020-09-04 | 天正浚源环保科技有限公司 | Movable vacuum environment-friendly toilet |
| CN115432765A (en) * | 2022-08-24 | 2022-12-06 | 黄彩花 | Advanced treatment and reuse equipment for printing and dyeing wastewater |
| CN116459659A (en) * | 2023-03-30 | 2023-07-21 | 徐州佑旺养殖有限公司 | Cultivation environment treatment device |
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| CN116459659A (en) * | 2023-03-30 | 2023-07-21 | 徐州佑旺养殖有限公司 | Cultivation environment treatment device |
| CN116459659B (en) * | 2023-03-30 | 2023-12-26 | 衡山五星农牧发展有限公司 | Cultivation environment treatment device |
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Application publication date: 20180529 |