CN1091078C - Film process and its equipment for reuse of oil refining sewage - Google Patents
Film process and its equipment for reuse of oil refining sewage Download PDFInfo
- Publication number
- CN1091078C CN1091078C CN 99112689 CN99112689A CN1091078C CN 1091078 C CN1091078 C CN 1091078C CN 99112689 CN99112689 CN 99112689 CN 99112689 A CN99112689 A CN 99112689A CN 1091078 C CN1091078 C CN 1091078C
- Authority
- CN
- China
- Prior art keywords
- water
- filter
- tank
- oil refining
- pool
- 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.)
- Expired - Lifetime
Links
- 238000007670 refining Methods 0.000 title claims abstract description 19
- 239000010865 sewage Substances 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title claims description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 78
- 238000002156 mixing Methods 0.000 claims abstract description 16
- 238000000108 ultra-filtration Methods 0.000 claims abstract description 15
- 239000012535 impurity Substances 0.000 claims abstract description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 24
- 239000006004 Quartz sand Substances 0.000 claims description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 14
- 239000012510 hollow fiber Substances 0.000 claims description 12
- 238000005496 tempering Methods 0.000 claims description 12
- 239000000126 substance Substances 0.000 claims description 11
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 claims description 8
- 239000000701 coagulant Substances 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 8
- 229920002401 polyacrylamide Polymers 0.000 claims description 8
- 239000000835 fiber Substances 0.000 claims description 6
- 230000008676 import Effects 0.000 claims description 6
- 238000004064 recycling Methods 0.000 claims description 6
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 5
- 239000002131 composite material Substances 0.000 claims description 4
- 239000003814 drug Substances 0.000 claims description 4
- 239000004519 grease Substances 0.000 claims description 4
- 230000007062 hydrolysis Effects 0.000 claims description 4
- 238000006460 hydrolysis reaction Methods 0.000 claims description 4
- 238000011084 recovery Methods 0.000 claims description 4
- 229940037003 alum Drugs 0.000 claims description 3
- 238000005345 coagulation Methods 0.000 claims description 3
- 230000015271 coagulation Effects 0.000 claims description 3
- 238000001556 precipitation Methods 0.000 claims description 3
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 claims description 3
- 238000001179 sorption measurement Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract 1
- 230000007613 environmental effect Effects 0.000 abstract 1
- 230000002349 favourable effect Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 14
- 239000012528 membrane Substances 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000003203 everyday effect Effects 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 239000004166 Lanolin Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000003610 charcoal Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000013505 freshwater Substances 0.000 description 2
- 229940039717 lanolin Drugs 0.000 description 2
- 235000019388 lanolin Nutrition 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 239000010734 process oil Substances 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 241000195493 Cryptophyta Species 0.000 description 1
- 241000157049 Microtus richardsoni Species 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000005446 dissolved organic matter Substances 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 239000007764 o/w emulsion Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Images
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The present invention relates to a film technology and equipment for reusing oil refining sewage. Sewage is introduced into a mixing tank, water treated by the mixing tank enters a settling pool by a pipeline and is further mixed in a water collecting tank, and impurities are removed in a gas floating chamber; then, the treated water enters a clear water pool, the water in the clear water pool is pumped into a precise filter with high efficiency, enters a hollow ultrafilter to carry out ultrafiltration treatment, and enters an ultrafiltration pool, and finally, the treated water is pumped into a boiler circulation water path. The equipment of the present invention is formed by that the settling pool, the water collecting tank, the gas floating chamber and the clear water pool are sequentially connected, and the clear water pool is connected with the precise filter with high efficiency; a water purifying pool is divided into two paths, one path is connected with a water pump and is connected with an industrial pipe network, and the other path is connected with the water pump and is connected with the precise filter, the hollow ultrafilter and the boiler circulation water path. The present invention can reuse a large amount of oil refining sewage, reduces sewage discharge pollution, is favorable to environmental protection, simultaneously saves a large amount of water fee, and reduces oil refining cost.
Description
The present invention relates to a kind of equipment of method and this method of enforcement of sewage from oil refinery recycling, particularly a kind of Sewage Recovery Utilization Method And Apparatus through Membrane Process Oil Refining.
Refinery will discharge large amount of sewage every day, also needs to replenish a large amount of fresh waters after the discharging, for example: Harbin Lian Youchang when running at full capacity every day 7000 tons of sewage effluents, need nearly 8000 tons of fresh water every day.Urban water shortage is on the rise at present, and water resources is limited, the discharging of great lot of water resources, not only cause the city serious water shortage, and cause the waste of water resources, cause adverse consequences to ecotope, use fresh water owing to a large amount of on the other hand, and water price is higher, has improved production cost.
The purpose of this invention is to provide and a kind ofly will refinery satisfy the embrane method oil refining sewerage recoverying and utilizing method that utilizes standard more fully after the sewage disposal of discharging.
Another object of the present invention provides a kind of equipment that can better reach the requirement of embrane method oil refining sewerage recoverying and utilizing method.
The objective of the invention is that step by the following method realizes: the present invention is a kind of embrane method oil refining sewerage recoverying and utilizing method, and its method steps is as follows:
A. chemical coagulation and precipitation: sewage enters tempering tank, adds coagulating agent: composite polymeric aluminum chloride (PAC) and coagulant aids: polyacrylamide after the hydrolysis (PAM), and becoming the alum time only is 2 minutes,
B. the water of being handled by tempering tank enters settling tank, carries out natural subsidence in settling tank through pipeline,
C. further mix in water leg, add the medicament Babysafe, its chemical name of Babysafe is: Surchlor GR 60, molecular formula is: C
3Cl
2N
3O
3Na,
D. remove impurity at gas-floating chamber, enter clean water basin then,
E. by water pump the water in the clean water basin is pumped into the high-efficiency and precision filter, removes mixture, suspended substance and grease,
F. jet-pump is injected mixing tank with the ozone of ozonizer generation and the current of extracting out from the high-efficiency and precision filter, and current enter quartz sand filter from mixing tank and filter,
G. current enter the activated carbon filter by quartz sand filter and carry out adsorption treatment, enter water purifying tank again, and be divided into two-way at water purifying tank: the one tunnel pumps into industrial pipe network directly is utilized; Another road pumps into accurate filter, enters the hollow fiber ultrafiltration device again and carries out the laggard excess of imports filter of uf processing, pumps into the boiler circulation waterway at last.
Another object of the present invention realizes by following structure: the present invention is a kind of embrane method oil refining sewerage recycling equipment, water inlet pipe is connected with tempering tank, tempering tank is connecting inlet flume, by settling tank, with water leg, gas-floating chamber, clean water basin are linked in sequence, clean water basin are connected with the high-efficiency and precision filter, fiber is installed in the high-efficiency and precision filter makes and connect the spherule of bunchiness, the high-efficiency and precision filter is connected with jet-pump, the jet-pump import is connected with ozonizer, the jet pump outlet is connected with mixing tank, mixing tank and quartz sand filter, the activated carbon filter, water purifying tank is linked in sequence, water purifying tank is divided into two-way, one the tunnel be connected with industrial pipe network again after water pump is connected, another road connects behind water pump and secondary filter, the hollow fiber ultrafiltration device, the boiler circulation waterway connects
Sewage used in the present invention is through after the biochemical treatment, the waste water that meets state sewage emission standard, add earlier coagulating agent on this basis: composite polymeric aluminum chloride (PAC) and coagulant aids: polyacrylamide after the hydrolysis (PAM) its objective is: make impurity become sedimentation behind the alumen ustum.
Carry out natural subsidence at settling tank, in water leg, further mix then, add the medicament Babysafe, its objective is: sterilize, remove algae.
High-efficient Accurate Filter is a kind of new treatment process, and fiber filtering can adsorb, can tackle again, be difficult for stopping up, regulating power is strong, excellent acid and chemical resistance are arranged.
Next step is to utilize ozone, ozone (O
3) be a kind of strong oxidizer, can remove organism, inorganics, decolouring effectively and remove flavor, particularly evident to oily(waste)water, volatile phenol especially, its cardinal principle is that former dissolved organic matter, compound and oils are degraded to small molecules or the easy simple compounds handled of materialization.
The effect of quartz sand filter is: filtering suspended substance, mixture, throw out.
The effect of activated carbon filter is: make the outer microbial film that generates of gac, removing the various materials that can be degraded by microorganisms in the former water, and be difficult to degrade by charcoal absorption, this method can solve regeneration of activated carbon.
The effect of hollow fiber ultrafiltration device is: hollow-fibre membrane is the polymeric membrane product, and available less energy obtains bigger economic benefit, can tackle wherein bacterium, macromole microorganism etc. effectively, and its delivery turbidity is zero.Be used for the work-ing life that boiler water processing can prolong resin, reduce the soda acid consumption.
At aspects such as refining of petroleum, metal processing and the processing of fiber grease, it is successful using the hollow fiber ultrafiltration method.Oil in the waste water exists with oil slick, dispersed oil and three kinds of states of oil in water emulsion usually, and the above two available mechanical separation, coagulating sedimentation, air supporting, filtration and charcoal absorption are handled, and emulsification oil be difficult to handle, utilize ultrafiltration then it can be tackled.For example: concentrate and reclaim lanolin, lanolin is valuable industrial raw material, and higher economic value is arranged.
The inventive method can be recycled a large amount of sewage from oil refinery, has reduced the sewage discharge pollution, helps environment protection, has saved great amount of water resources, helps ecotope, has saved a large amount of water rates simultaneously, has reduced the oil refining cost.
Equipment provided by the invention can satisfy the requirement of recovery method preferably, and each unitary treatment facility is effectively linked together, thereby guarantees the effective processing to various impurity, finally finishes goal of the invention of the present invention, but the present invention's wide popularization and application.
Fig. 1 is a method flow diagram of the present invention
Fig. 2 is the structure diagram of equipment used herein
The invention will be further described below in conjunction with drawings and Examples.
Embodiment:
The present invention as shown in Figure 1 is a kind of embrane method oil refining sewerage recoverying and utilizing method, and its method steps is:
A. chemical coagulation and precipitation: sewage enters tempering tank, adds coagulating agent: composite polymeric aluminum chloride (PAC) and coagulant aids: polyacrylamide after the hydrolysis (PAM), and becoming the alum time only is 2 minutes,
B. the water of being handled by tempering tank enters settling tank, carries out natural subsidence in settling tank through pipeline,
C. further mix in water leg, add the medicament Babysafe, its chemical name of Babysafe is: Surchlor GR 60, molecular formula is: C
3Cl
2N
3O
3Na,
D. remove impurity at gas-floating chamber, enter clean water basin then,
E. by water pump the water in the clean water basin is pumped into the high-efficiency and precision filter, removes mixture, suspended substance and grease,
F. jet-pump is injected mixing tank with the ozone of ozonizer generation and from the current that the high-efficiency and precision filter goes out, and current enter quartz sand filter and filter from mixing tank,
G. current enter the activated carbon filter by quartz sand filter and carry out adsorption treatment, enter water purifying tank again, and be divided into two-way at water purifying tank: the one tunnel pumps into industrial pipe network directly is utilized; Another road pumps into accurate filter, enters the hollow fiber ultrafiltration device again and carries out the laggard excess of imports filter of uf processing, pumps into the boiler circulation waterway at last.
The present invention does not retrieve pertinent literature through " Harbin City institute of scientific-technical information " retrieval proof.
The present invention as shown in Figure 2 is a kind of embrane method oil refining sewerage recycling equipment, water inlet pipe is connected with tempering tank 1, tempering tank 1 is connecting inlet flume 2, by settling tank 3, with water leg 4, gas-floating chamber 5, clean water basin 6 are linked in sequence, clean water basin 6 are connected with high-efficiency and precision filter 7, fiber is installed in the high-efficiency and precision filter 7 makes and connect the spherule 18 of bunchiness, high-efficiency and precision filter 7 is connected with jet-pump 8, jet-pump 8 imports are connected with ozonizer 9, the outlet of jet-pump 8 is connected with mixing tank 10, mixing tank 10 and quartz sand filter 11, activated carbon filter 12, water purifying tank 13 is linked in sequence, water purifying tank 13 is divided into two-way, one the tunnel is connected the back with water pump connects industrial pipe network, and another road connects behind water pump and secondary filter 19, hollow fiber ultrafiltration device 14, the boiler circulation waterway connects.Described accurate filter 7 honeycomb post 15 is installed, hollow fiber ultrafiltration device 14 is the hollow fiber ultrafiltration post of a plurality of parallel connections.In the described quartz sand filter 11 quartz sand is housed, in the activated carbon filter 12 activated carbon is housed.Described settling tank 3 internal fixing band foraminous swash plate 16, and header 17 is installed in the settling tank on swash plate 16 tops, and the mixing tank 10 in header 17 and the water leg is connected.
Lectotype selection
The lectotype selection of the inventive method flow process is day to handle the water yield 8000 ton per days, be converted into 333.3 tons/hour (equipment during year radix be 8640 hours/year, operation continuously in 24 hours).
Static equipment is pressed the quadruplet setting, and every cover system processing power is 2000 ton per days, ozonizer equipment quadruplet, every cover ability 1000g/h.Running device 8000 ton per days, and leave a certain proportion of standby.Major equipment sees Table 1.
Claims (5)
1, a kind of embrane method oil refining sewerage recoverying and utilizing method is characterized in that:
A. chemical coagulation and precipitation: sewage enters tempering tank, adds coagulating agent: composite polymeric aluminum chloride (PAC) and coagulant aids: polyacrylamide after the hydrolysis (PAM), and becoming the alum time only is 2 minutes,
B. the water of being handled by tempering tank enters settling tank, carries out natural subsidence in settling tank through pipeline,
C. further mix in water leg, add the medicament Babysafe, its chemical name of Babysafe is: Surchlor GR 60, molecular formula is: C
3Cl
2N
3O
3Na,
D. remove impurity at gas-floating chamber, enter clean water basin then,
E. by water pump the water in the clean water basin is pumped into the high-efficiency and precision filter, removes mixture, suspended substance and grease,
F. jet-pump is injected mixing tank with the ozone of ozonizer generation and from the current that the high-efficiency and precision filter goes out, and current enter quartz sand filter and filter from mixing tank,
G. current enter the activated carbon filter by quartz sand filter and carry out adsorption treatment, enter water purifying tank again, and be divided into two-way at water purifying tank: the one tunnel pumps into industrial pipe network directly is utilized; Another road pumps into accurate filter, enters the hollow fiber ultrafiltration device again and carries out the laggard excess of imports filter of uf processing, pumps into the boiler circulation waterway at last.
2, the equipment that a kind of embrane method oil refining sewerage recovery method as claimed in claim 1 is utilized, water inlet pipe is connected with tempering tank (1), tempering tank (1) is connecting inlet flume (2), it is characterized in that: by settling tank (3), with water leg (4), gas-floating chamber (5), clean water basin (6) are linked in sequence, clean water basin (6) are connected with high-efficiency and precision filter (7), fiber is installed in the high-efficiency and precision filter (7) makes and connect the spherule of bunchiness (18), high-efficiency and precision filter (7) is connected with jet-pump (8), jet-pump (8) import is connected with ozonizer (9), the outlet of jet-pump (8) is connected with mixing tank (10), mixing tank (10) and quartz sand filter (11), activated carbon filter (12), water purifying tank (13) is linked in sequence, water purifying tank (13) is divided into two-way, one the tunnel is connected the back with water pump connects industrial pipe network, and another road connects behind water pump and secondary filter (19), hollow fiber ultrafiltration device (14), the boiler circulation waterway connects.
3, a kind of embrane method oil refining sewerage recycling equipment according to claim 2, it is characterized in that: described secondary filter (19) is installed with honeycomb post (15), and hollow fiber ultrafiltration device (14) is the hollow fiber ultrafiltration post of a plurality of parallel connections.
4, a kind of embrane method oil refining sewerage recycling equipment according to claim 2, it is characterized in that: described quartz sand filter is equipped with quartz sand in (11), and the activated carbon filter is equipped with activated carbon in (12).
5, a kind of embrane method oil refining sewerage recycling equipment according to claim 2, it is characterized in that: described settling tank (3) internal fixing band foraminous swash plate (16), header (17) is installed in the settling tank on swash plate (16) top, and the mixing tank (10) in header (17) and the water leg is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99112689 CN1091078C (en) | 1999-02-09 | 1999-02-09 | Film process and its equipment for reuse of oil refining sewage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99112689 CN1091078C (en) | 1999-02-09 | 1999-02-09 | Film process and its equipment for reuse of oil refining sewage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1232793A CN1232793A (en) | 1999-10-27 |
| CN1091078C true CN1091078C (en) | 2002-09-18 |
Family
ID=5275972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99112689 Expired - Lifetime CN1091078C (en) | 1999-02-09 | 1999-02-09 | Film process and its equipment for reuse of oil refining sewage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1091078C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101229936B (en) * | 2005-10-27 | 2010-08-11 | 韩春来 | Method and equipment for reclaiming refining and chemical wastewater |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1319879C (en) * | 2004-10-27 | 2007-06-06 | 贵阳铝镁设计研究院 | Electrolytic aluminium factory production waste water disposal method |
| CN102910753A (en) * | 2012-09-11 | 2013-02-06 | 中国石油化工股份有限公司 | Continuous aeration type ultra-filter car washing wastewater circulating recovering system device and method thereof |
| CN106430742A (en) * | 2016-12-15 | 2017-02-22 | 南京中船绿洲环保有限公司 | Method for pretreating petroleum fracturing liquid wastewater |
| KR101961256B1 (en) * | 2018-03-14 | 2019-03-22 | (주)이엔플러스 | purification apparatus for contaminated water of shale gas |
-
1999
- 1999-02-09 CN CN 99112689 patent/CN1091078C/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101229936B (en) * | 2005-10-27 | 2010-08-11 | 韩春来 | Method and equipment for reclaiming refining and chemical wastewater |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1232793A (en) | 1999-10-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2799526Y (en) | Magnetic lightcatalyzed integral sewage regeneration and utilization device | |
| CN101209886B (en) | Advanced treatment recycling technique of urban sewage | |
| CN101229936B (en) | Method and equipment for reclaiming refining and chemical wastewater | |
| CN104803555A (en) | Mobile skid-mounted equipment for efficient water treatment | |
| CN101269903B (en) | Further advanced treatment technique and apparatus for sewage water of oil refining | |
| CN1209304C (en) | Garbage percolation liquid treatment process | |
| CN102260013A (en) | Device and method for preparing recycled water on basis of electrolysis and double-membrane technology | |
| CN102329051B (en) | Rubbish percolate treatment device by taking advanced oxidation and comprehensive membrane treatment as cores | |
| CN1257118C (en) | Integrated treating process of waste water extracted from gas well for reaching effluent standard | |
| CN102531291A (en) | Standard discharge treatment system for rock debris wastewater | |
| CN102616987A (en) | System and method for treatment and recycling of coking phenol-cyanogen wastewater | |
| CN103288311A (en) | Slack coal pressure gasification wastewater resourceful treatment method and treatment system as well as application | |
| CN211595255U (en) | High-concentration sewage deep purification and recycling system | |
| CN1091078C (en) | Film process and its equipment for reuse of oil refining sewage | |
| CN2856038Y (en) | Recovery and utilizing appts, for sewage from oil refining and chemistry | |
| CN202107588U (en) | Circulation cooling water on-line purifier | |
| CN1974444A (en) | Composite method of treating oil-containing sewage and waste water | |
| CN2606742Y (en) | Water purifier for micro polluted water source | |
| CN2791035Y (en) | Oily sewage regenerating ultization device | |
| CN2369995Y (en) | Waste water recovering and utilizing device for film method oil refining | |
| CN1162360C (en) | Process for treating sewage of oil recovery | |
| CN112759116A (en) | Contain FEP waste water recovery processing system | |
| CN1140473C (en) | Treatment of industrial and domestic waste water as ecological resource | |
| CN2512773Y (en) | Wastewater treatment equipment | |
| CN2457145Y (en) | Purifying equipment for living waste water |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HARBIN HUA APHRODISIAC OF ENVIRONMENTAL PROTECTIO Free format text: FORMER OWNER: HAN CHUNLAI; WANG CHUNZHI Effective date: 20071228 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20071228 Address after: 259, Hongqi Avenue, Nangang District, Heilongjiang, Harbin: 150036 Patentee after: Harbin Hua aphrodisiac of Environmental Protection Technology Development Co Ltd Address before: Block A, building 7, hi tech Development Zone, Nangang District, Heilongjiang, Harbin: 150036 Co-patentee before: Wang Chunzhi Patentee before: Han Chun Lai |
|
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Harbin Hua aphrodisiac of Environmental Protection Technology Development Co Ltd Assignor: Han Chunlai|Wang Chunzhi Contract fulfillment period: 2008.9.20 to 2013.9.19 Contract record no.: 2008230000133 Denomination of invention: Film process and its equipment for reuse of oil refining sewage Granted publication date: 20020918 License type: Exclusive license Record date: 20081022 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.9.20 TO 2013.9.19; CHANGE OF CONTRACT Name of requester: HARBIN HUA APHRODISIAC OF ENVIRONMENTAL PROTECTION Effective date: 20081022 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Film process and its equipment for reuse of oil refining sewage Effective date of registration: 20120911 Granted publication date: 20020918 Pledgee: Heilongjiang Xin Xin Investment Guarantee Group Co., Ltd. Pledgor: Harbin Hua aphrodisiac of Environmental Protection Technology Development Co Ltd Registration number: 2012230000010 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20130502 Granted publication date: 20020918 Pledgee: Heilongjiang Xin Xin Investment Guarantee Group Co., Ltd. Pledgor: Harbin Hua aphrodisiac of Environmental Protection Technology Development Co Ltd Registration number: 2012230000010 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Film process and its equipment for reuse of oil refining sewage Effective date of registration: 20131017 Granted publication date: 20020918 Pledgee: Heilongjiang Xin Xin Investment Guarantee Group Co., Ltd. Pledgor: Harbin Hua aphrodisiac of Environmental Protection Technology Development Co Ltd Registration number: 2013230000018 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20020918 |