CN107758981A - A kind of new domestic sewage processing method - Google Patents
A kind of new domestic sewage processing method Download PDFInfo
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- CN107758981A CN107758981A CN201610675286.2A CN201610675286A CN107758981A CN 107758981 A CN107758981 A CN 107758981A CN 201610675286 A CN201610675286 A CN 201610675286A CN 107758981 A CN107758981 A CN 107758981A
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- 239000010865 sewage Substances 0.000 title claims abstract description 38
- 238000003672 processing method Methods 0.000 title claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 230000008569 process Effects 0.000 claims abstract description 15
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 10
- 239000010802 sludge Substances 0.000 claims abstract description 6
- 230000001954 sterilising effect Effects 0.000 claims abstract description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 21
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 12
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 10
- 241000894006 Bacteria Species 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 7
- 238000004062 sedimentation Methods 0.000 claims description 7
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 6
- 239000001569 carbon dioxide Substances 0.000 claims description 6
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 6
- 150000003384 small molecules Chemical class 0.000 claims description 6
- 230000001413 cellular effect Effects 0.000 claims description 5
- 238000006731 degradation reaction Methods 0.000 claims description 5
- 229920002521 macromolecule Polymers 0.000 claims description 5
- 244000005700 microbiome Species 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 claims description 4
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims description 4
- 239000005416 organic matter Substances 0.000 claims description 4
- 230000015556 catabolic process Effects 0.000 claims description 3
- 230000007062 hydrolysis Effects 0.000 claims description 3
- 238000006460 hydrolysis reaction Methods 0.000 claims description 3
- 238000007654 immersion Methods 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 claims description 2
- 239000000592 Artificial Cell Substances 0.000 claims description 2
- 102000004190 Enzymes Human genes 0.000 claims description 2
- 108090000790 Enzymes Proteins 0.000 claims description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 2
- 230000000789 acetogenic effect Effects 0.000 claims description 2
- 238000009395 breeding Methods 0.000 claims description 2
- 230000001488 breeding effect Effects 0.000 claims description 2
- 230000003197 catalytic effect Effects 0.000 claims description 2
- 210000004027 cell Anatomy 0.000 claims description 2
- 210000000170 cell membrane Anatomy 0.000 claims description 2
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 2
- 239000005446 dissolved organic matter Substances 0.000 claims description 2
- 229930195729 fatty acid Natural products 0.000 claims description 2
- 239000000194 fatty acid Substances 0.000 claims description 2
- 150000004665 fatty acids Chemical class 0.000 claims description 2
- 235000019253 formic acid Nutrition 0.000 claims description 2
- 239000001257 hydrogen Substances 0.000 claims description 2
- 229910052739 hydrogen Inorganic materials 0.000 claims description 2
- 239000000413 hydrolysate Substances 0.000 claims description 2
- 230000003834 intracellular effect Effects 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 claims description 2
- 239000000047 product Substances 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 238000000354 decomposition reaction Methods 0.000 claims 1
- 230000003647 oxidation Effects 0.000 claims 1
- 238000007254 oxidation reaction Methods 0.000 claims 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 6
- 241000700605 Viruses Species 0.000 abstract description 5
- 241000588724 Escherichia coli Species 0.000 abstract description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 3
- 229910052698 phosphorus Inorganic materials 0.000 abstract description 3
- 239000011574 phosphorus Substances 0.000 abstract description 3
- 230000001580 bacterial effect Effects 0.000 abstract description 2
- 230000002550 fecal effect Effects 0.000 abstract description 2
- 238000004065 wastewater treatment Methods 0.000 abstract description 2
- 238000006065 biodegradation reaction Methods 0.000 abstract 1
- 238000011010 flushing procedure Methods 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 241000726221 Gemma Species 0.000 description 1
- 244000052616 bacterial pathogen Species 0.000 description 1
- 230000031018 biological processes and functions Effects 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000004709 eyebrow Anatomy 0.000 description 1
- 210000000720 eyelash Anatomy 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 210000004209 hair Anatomy 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
-
- 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
- C02F3/02—Aerobic 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Physical Water Treatments (AREA)
Abstract
The present invention is new to be related to a kind of new domestic sewage processing method.Treatment method by the way of the sterilization of sludge biodegradation, tube settler and physical disinfection is combined, mainly includes four steps, is Anaerobic Treatment successively, Aerobic Process for Treatment, settlement treatment, disinfects mainly for the fecal sewage of lavatory.The nutriment such as nitrogen, phosphorus in sanitary sewage can effectively be removed and remove the bacterial viruses such as Escherichia coli, clean, sanitary, free from extraneous odour, efficient sewerage processing can be accomplished.Water quality after processing can reach《Urban wastewater treatment firm emissions standard》Secondary discharge standard, the water after processing can flush the toilet use, and can realize Treated sewage reusing, circulation bath, greatly save water resource.
Description
Technical field
The invention belongs to sanitary sewage disposal technical field.
Background technology
While 21 century human economy high speed development, environment heavy damage and pollution are also result in, makes being good for for people
Health is by serious threat.The degree of wherein water pollution have resulted in it is serious unbalance, the Nature because of excessive pollution
Lose original self-cleaning circulation ability.The life of water and people are closely bound up, human body in metabolic processes, with drinking-water and
Food, the various elements in water are entered by alimentary canal the various pieces of human body.When containing bacterium in water, virus, heavy metal
During etc. harmful substance, the harm to human body is extremely serious.By sewage treatment project, repair the Nature ecological balance and compeled
The eyebrows and eyelashes.Municipal sewage mainly includes sanitary sewage and trade effluent at present.Because urban pipe network builds not perfect etc. enough factor, portion
Divide sanitary sewage to be only discharged into the ground such as river by septic tank simply and easy treat, carry the nutriments such as a large amount of germs and nitrogen, phosphorus, sternly
Heavily contaminated surface water.Municipal sewage plant is fairly perfect at present, but high there is also capital cost, and floor space is wide, place
Manage the unfavorable factors such as long flow path.It is easy to lack a set of flow for being applied to the ground such as city square, station, tourist attraction, can be small
The sewage water treatment method of type.
The content of the invention
The new fecal sewage for lavatory of the invention, handling process is simple, can effectively remove the nitrogen in sanitary sewage, phosphorus
Deng the sewage water treatment method of the bacterial viruses such as nutriment and Escherichia coli.
Treatment method mainly includes four steps, is Anaerobic Treatment successively, Aerobic Process for Treatment, settlement treatment, disinfects.
Idiographic flow is sewage from house steward（1）Anaerobic degradation is out carried out first（2）, the anaerobic degradation process of macromolecule organic includes
Four-stage.A hydrolysis stages, macromolecule organic are decomposed into small molecule by bacterium ectoenzyme.The hydrolysate of these small molecules
Water can be dissolved in and utilized through cell membrane by bacterium.B souring stages, in the process, dissolved organic matter is converted
For the end productses based on volatile fatty acid.C produces the acetic acid stage, in the presence of hydrogen-producing acetogenic bacteria, on last stage
Product be converted further as acetic acid, hydrogen, carbonic acid and new cellular material.D methane phases, in this stage, acetic acid,
Hydrogen, carbonic acid, formic acid and methanol etc. are converted into methane, carbon dioxide and new cellular material.This four-stage is carried out simultaneously,
Keep dynamic equilibrium.Macromolecule organic is decomposed into small molecule easily biodegradable organicses and carbon dioxide by Anaerobic Treatment process, is
The pretreatment stage of follow-up Aerobic biological process.
The sewage that Anaerobic Treatment terminates enters Aerobic Pond, carries out aerobic resolution process（3）.Into intracellular organic bottom
Thing, under the catalytic action of various endocellular enzymes, it is decomposed microorganism and anabolism.Oxygen is carried out to a part of organic matter
Change and decompose, ultimately form the stable inorganic matter such as carbon dioxide and water, and therefrom obtain the energy needed for synthetic cell material.It is micro-
Biology carries out anabolism to another part organic substrates, forms new cellular material.The breeding of microorganism own growth is participated in,
This part is exactly the activated sludge part increased in sewage disposal process.
Settlement treatment is carried out after sewage disposal（4）, sedimentation basin uses incorgruous tube settler form, can increase sedimentation basin
Settling area, shorten particle sedimentation depth, improve streamflow regime.Solid and liquid separate under laminar flow condition, deposition efficiency
Greatly improve.Because particle settling height reduces, the sedimentation time also greatly shortens.Sludge settling to bottom, water after processing from
Upper strata is flowed out, and carry out disinfection processing.
Disinfect（5）Process uses soaking type ultraviolet sterilization, immersion ultraviolet disinfection lamp（6）What is sent is ultraviolet
Light, can penetration cell wall and with cell qualitative response and reach sterilisation purpose.The ultraviolet line use ratio of soaking type is high, efficiency of killing virus
It is good.The average removal rate of general Escherichia coli reaches 98%, and the clearance of total number of bacteria can also remove be not easy to kill in addition up to 96%
Gemma and virus.Do not increase the peculiar smell of water, do not influence the chemical composition and physical property of water, operation simply is easy to manage.Through
More than crossing after the processing of 4 steps, effluent quality can reach《Urban wastewater treatment firm emissions standard》Two level discharge mark
Standard, meet Treated sewage reusing, can be used for circulating use of flushing the toilet.
Brief description of the drawings
It is new to the present invention with reference to the accompanying drawings and detailed description to be further described in detail.
Fig. 1 is waste water processes figure, and Fig. 2 is sewage-treatment plant figure.
Embodiment
As depicted in figs. 1 and 2, using this sewage water treatment method, processing unit flow is that sewage initially enters anaerobic pond（7）
Decomposed, subsequently into Aerobic Pond（8）Continue decomposing organic matter, air pump（13）Constantly to Aerobic Pond（8）Inside blast fresh sky
Gas, sewage is subsequently into sedimentation basin（9）Carry out precipitation to be separated by filtration, upper clear supernate enters water storage cabinet（11）It is interior, the water warp in cabinet
Cross ultraviolet ray disinfector（10）Sterilization, kill bacterium.Water after processing can be by voltage stabilizing jet water pump（12）Discharge and be used for circulating flushing
Lavatory uses.Dredge pump is opened through use after a while（15）The sludge of bottom of cabinet is discharged into a part, raising processing
Efficiency.The control of equipment all concentrates on electric cabinet（14）On, Automated condtrol can be achieved.
It is understood that above with respect to the new specific descriptions of the present invention, it is merely to illustrate of the invention new and is not
Technical scheme described by first with new embodiment of the present invention, it will be understood by those within the art that, still can be with
It is new to the present invention to modify or equivalent substitution, reach identical technique effect；As long as meet invention needs, all in this hair
Within bright new protection domain.
Claims (9)
1. a kind of new domestic sewage processing method, mainly including four steps, it is Anaerobic Treatment successively, Aerobic Process for Treatment, settles
Processing, is disinfected, it is characterised in that：Sewage is from house steward（1）Anaerobic degradation is out carried out first（2）, macromolecule organic
Anaerobic degradation process includes four-stage：Hydrolysis stage, souring stage, produce acetic acid stage, methane phase.
A kind of 2. new domestic sewage processing method according to claim 1, it is characterised in that：Anaerobic degradation（2）Four
Stage is carried out simultaneously, keeps dynamic equilibrium, and macromolecule organic is decomposed into small molecule easily biodegradable organicses by Anaerobic Treatment process
And carbon dioxide.
A kind of 3. new domestic sewage processing method according to claim 1 or 2, it is characterised in that：Hydrolysis stage, high score
Sub- organic matter is decomposed into small molecule by bacterium ectoenzyme, and the hydrolysate of these small molecules can be dissolved in water and pass through cell membrane
Utilized by bacterium.
A kind of 4. new domestic sewage processing method according to claim 1 or 2 or 3, it is characterised in that：Souring stage,
In the process, dissolved organic matter is converted into the end productses based on volatile fatty acid.
A kind of 5. new domestic sewage processing method according to claim 1 or 2 or 3 or 4, it is characterised in that：Produce acetic acid
In the stage, in the presence of hydrogen-producing acetogenic bacteria, product on last stage is converted further as acetic acid, hydrogen, carbonic acid and
New cellular material.
A kind of 6. new domestic sewage processing method according to claim 1 or 2 or 3 or 4 or 5, it is characterised in that：Methane
In the stage, in this stage, acetic acid, hydrogen, carbonic acid, formic acid and methanol etc. are converted into methane, carbon dioxide and new cell thing
Matter.
A kind of 7. new domestic sewage processing method according to claim 1 or 2 or 3 or 4 or 5 or 6, it is characterised in that：
The sewage that Anaerobic Treatment terminates enters Aerobic Pond, carries out aerobic resolution process（3）, into intracellular organic substrates, various
Under the catalytic action of endocellular enzyme, it is decomposed microorganism and anabolism, carries out oxidation Decomposition to a part of organic matter, most
End form therefrom obtains the energy needed for synthetic cell material into the stable inorganic matter such as carbon dioxide and water；Microorganism is to another
A part of organic substrates carry out anabolism, form new cellular material, that is, participate in the breeding of microorganism own growth, this part is just
It is the activated sludge part increased in sewage disposal process.
8. a kind of new domestic sewage processing method according to claim 1 or 2 or 3 or 4 or 5 or 6 or 7, its feature exist
In：Settlement treatment is carried out after sewage disposal（4）, sedimentation basin uses incorgruous tube settler form, and solid and liquid are in laminar flow bar
Separated under part, because particle settling height reduces, the sedimentation time also greatly shortens.
9. a kind of new domestic sewage processing method according to claim 1 or 2 or 3 or 4 or 5 or 6 or 7 or 8, its feature
It is：Sludge settling is to bottom, and the water after processing flows out from upper strata, and carry out disinfection processing, disinfects（5）Process is using immersion
Formula ultraviolet sterilization, immersion ultraviolet disinfection lamp（6）The ultraviolet light sent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610675286.2A CN107758981A (en) | 2016-08-17 | 2016-08-17 | A kind of new domestic sewage processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610675286.2A CN107758981A (en) | 2016-08-17 | 2016-08-17 | A kind of new domestic sewage processing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107758981A true CN107758981A (en) | 2018-03-06 |
Family
ID=61260677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610675286.2A Pending CN107758981A (en) | 2016-08-17 | 2016-08-17 | A kind of new domestic sewage processing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107758981A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5665694A (en) * | 1979-10-31 | 1981-06-03 | Matsushita Electric Works Ltd | Sewage disposal vessel provided with methane fermentation vessel |
| CN87211805U (en) * | 1987-08-10 | 1988-04-13 | 宜兴县南新环保设备四厂 | Aparatus for purification of sewage in life |
| CN103601345A (en) * | 2013-12-04 | 2014-02-26 | 祝爱民 | Power-free domestic sewage treatment method |
-
2016
- 2016-08-17 CN CN201610675286.2A patent/CN107758981A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5665694A (en) * | 1979-10-31 | 1981-06-03 | Matsushita Electric Works Ltd | Sewage disposal vessel provided with methane fermentation vessel |
| CN87211805U (en) * | 1987-08-10 | 1988-04-13 | 宜兴县南新环保设备四厂 | Aparatus for purification of sewage in life |
| CN103601345A (en) * | 2013-12-04 | 2014-02-26 | 祝爱民 | Power-free domestic sewage treatment method |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20190211 Address after: 124010 Pipe Corridor Street of Hi-tech Industrial Park, Xinglongtai District, Panjin City, Liaoning Province Applicant after: Liaoning Luhai Petroleum Equipment Research Institute Co.,Ltd. Applicant after: Luhai Huanke New Energy Co., Ltd. Address before: 124010 Pipe Corridor Street of Hi-tech Industrial Park, Xinglongtai District, Panjin City, Liaoning Province Applicant before: Liaoning Luhai Petroleum Equipment Research Institute Co.,Ltd. |
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Application publication date: 20180306 |