CN104310651B - 含油不锈钢冷轧废水处理装置以及处理方法 - Google Patents
含油不锈钢冷轧废水处理装置以及处理方法 Download PDFInfo
- Publication number
- CN104310651B CN104310651B CN201410594197.6A CN201410594197A CN104310651B CN 104310651 B CN104310651 B CN 104310651B CN 201410594197 A CN201410594197 A CN 201410594197A CN 104310651 B CN104310651 B CN 104310651B
- Authority
- CN
- China
- Prior art keywords
- oil
- steel cold
- waste water
- rolling
- containing stainless
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000005097 cold rolling Methods 0.000 title claims abstract description 266
- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 246
- 239000010935 stainless steel Substances 0.000 title claims abstract description 246
- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 21
- 238000003672 processing method Methods 0.000 title abstract description 8
- 239000002351 wastewater Substances 0.000 claims abstract description 261
- 238000000034 method Methods 0.000 claims abstract description 61
- 238000006386 neutralization reaction Methods 0.000 claims abstract description 53
- 230000008569 process Effects 0.000 claims abstract description 44
- 238000003825 pressing Methods 0.000 claims abstract description 31
- 238000004062 sedimentation Methods 0.000 claims abstract description 30
- 239000003921 oil Substances 0.000 claims description 288
- 229910000831 Steel Inorganic materials 0.000 claims description 42
- 239000010959 steel Substances 0.000 claims description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 41
- 238000005273 aeration Methods 0.000 claims description 29
- 238000001556 precipitation Methods 0.000 claims description 26
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 21
- 230000009467 reduction Effects 0.000 claims description 13
- 239000000839 emulsion Substances 0.000 claims description 12
- 239000010734 process oil Substances 0.000 claims description 11
- 238000009300 dissolved air flotation Methods 0.000 claims description 8
- 238000000926 separation method Methods 0.000 claims description 7
- 230000003311 flocculating effect Effects 0.000 claims description 6
- 230000001376 precipitating effect Effects 0.000 claims description 6
- 238000005189 flocculation Methods 0.000 abstract description 40
- 230000016615 flocculation Effects 0.000 abstract description 40
- 239000011651 chromium Substances 0.000 abstract description 39
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 abstract description 37
- 239000004519 grease Substances 0.000 abstract description 33
- 229910052804 chromium Inorganic materials 0.000 abstract description 32
- 229910001385 heavy metal Inorganic materials 0.000 abstract description 19
- 238000003860 storage Methods 0.000 abstract description 17
- 150000002500 ions Chemical class 0.000 abstract description 14
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 abstract description 4
- 238000003912 environmental pollution Methods 0.000 abstract description 4
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 239000002253 acid Substances 0.000 description 19
- 239000002244 precipitate Substances 0.000 description 18
- 229920002401 polyacrylamide Polymers 0.000 description 17
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 12
- 239000000126 substance Substances 0.000 description 11
- 230000000694 effects Effects 0.000 description 10
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 9
- 235000011941 Tilia x europaea Nutrition 0.000 description 9
- 230000033228 biological regulation Effects 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 9
- 238000001914 filtration Methods 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 9
- 239000004571 lime Substances 0.000 description 9
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 8
- 239000006071 cream Substances 0.000 description 8
- 235000019738 Limestone Nutrition 0.000 description 7
- 239000008187 granular material Substances 0.000 description 7
- 230000002045 lasting effect Effects 0.000 description 7
- 239000006028 limestone Substances 0.000 description 7
- 239000010802 sludge Substances 0.000 description 7
- 235000010265 sodium sulphite Nutrition 0.000 description 7
- 229910052925 anhydrite Inorganic materials 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 6
- 229910001634 calcium fluoride Inorganic materials 0.000 description 6
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 6
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 description 6
- 239000003814 drug Substances 0.000 description 6
- 230000005484 gravity Effects 0.000 description 6
- FLTRNWIFKITPIO-UHFFFAOYSA-N iron;trihydrate Chemical compound O.O.O.[Fe] FLTRNWIFKITPIO-UHFFFAOYSA-N 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- 238000003756 stirring Methods 0.000 description 6
- 239000001117 sulphuric acid Substances 0.000 description 6
- 235000011149 sulphuric acid Nutrition 0.000 description 6
- 239000004411 aluminium Substances 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 230000008021 deposition Effects 0.000 description 5
- 238000005188 flotation Methods 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 229910021508 nickel(II) hydroxide Inorganic materials 0.000 description 5
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 239000003153 chemical reaction reagent Substances 0.000 description 4
- 150000002815 nickel Chemical class 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 210000000481 breast Anatomy 0.000 description 3
- 238000009713 electroplating Methods 0.000 description 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 159000000007 calcium salts Chemical class 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- -1 iron ion Chemical class 0.000 description 2
- 238000006396 nitration reaction Methods 0.000 description 2
- 238000005554 pickling Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 229910021543 Nickel dioxide Inorganic materials 0.000 description 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000003851 biochemical process Effects 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 235000011116 calcium hydroxide Nutrition 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- QFSKIUZTIHBWFR-UHFFFAOYSA-N chromium;hydrate Chemical compound O.[Cr] QFSKIUZTIHBWFR-UHFFFAOYSA-N 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005008 domestic process Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000010773 plant oil Substances 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 239000010731 rolling oil Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- JVBXVOWTABLYPX-UHFFFAOYSA-L sodium dithionite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])=O JVBXVOWTABLYPX-UHFFFAOYSA-L 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 239000002352 surface water Substances 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
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/122—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
-
- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
- C02F1/24—Treatment of water, waste water, or sewage by flotation
-
- 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
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
-
- 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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
- C02F1/62—Heavy metal compounds
-
- 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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/16—Nature of the water, waste water, sewage or sludge to be treated from metallurgical processes, i.e. from the production, refining or treatment of metals, e.g. galvanic wastes
Abstract
Description
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410594197.6A CN104310651B (zh) | 2014-10-28 | 2014-10-28 | 含油不锈钢冷轧废水处理装置以及处理方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410594197.6A CN104310651B (zh) | 2014-10-28 | 2014-10-28 | 含油不锈钢冷轧废水处理装置以及处理方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104310651A CN104310651A (zh) | 2015-01-28 |
CN104310651B true CN104310651B (zh) | 2016-09-14 |
Family
ID=52366004
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201410594197.6A Active CN104310651B (zh) | 2014-10-28 | 2014-10-28 | 含油不锈钢冷轧废水处理装置以及处理方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN104310651B (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113800709A (zh) * | 2020-12-14 | 2021-12-17 | 苏州碧初环境科技有限公司 | 一种含油废乳化液处理装置及处理工艺 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101269889A (zh) * | 2007-03-23 | 2008-09-24 | 宁波宝新不锈钢有限公司 | 不锈钢酸洗废水液的处理方法 |
CN101475272A (zh) * | 2009-01-22 | 2009-07-08 | 武汉钢铁(集团)公司 | 冷轧钢厂含油废水的预处理工艺 |
CN102329024A (zh) * | 2011-09-06 | 2012-01-25 | 中冶南方工程技术有限公司 | 不锈钢酸废水降低Cr6+的处理方法 |
CN204224357U (zh) * | 2014-10-28 | 2015-03-25 | 温玉友 | 含油不锈钢冷轧废水处理装置 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0824911B2 (ja) * | 1992-03-24 | 1996-03-13 | 石川金属工業株式会社 | 6価クロム含有廃水の処理システム |
CN100482604C (zh) * | 2007-05-28 | 2009-04-29 | 北京市环境保护科学研究院 | 乳化油废水处理方法及设备 |
CN201495143U (zh) * | 2009-09-17 | 2010-06-02 | 上海东振环保工程技术有限公司 | 含有金属离子的酸性废水的处理系统 |
-
2014
- 2014-10-28 CN CN201410594197.6A patent/CN104310651B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101269889A (zh) * | 2007-03-23 | 2008-09-24 | 宁波宝新不锈钢有限公司 | 不锈钢酸洗废水液的处理方法 |
CN101475272A (zh) * | 2009-01-22 | 2009-07-08 | 武汉钢铁(集团)公司 | 冷轧钢厂含油废水的预处理工艺 |
CN102329024A (zh) * | 2011-09-06 | 2012-01-25 | 中冶南方工程技术有限公司 | 不锈钢酸废水降低Cr6+的处理方法 |
CN204224357U (zh) * | 2014-10-28 | 2015-03-25 | 温玉友 | 含油不锈钢冷轧废水处理装置 |
Non-Patent Citations (1)
Title |
---|
"不锈钢冷轧废水处理生产运行分析";唐志龙 等;《工业水处理》;20090831;第29卷(第8期);第93-95页 * |
Also Published As
Publication number | Publication date |
---|---|
CN104310651A (zh) | 2015-01-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101811792B (zh) | 一种不锈钢冷轧酸洗废水处理方法 | |
CN102603097B (zh) | 含重金属离子废水深度处理及回用工艺 | |
CN101481165B (zh) | 一种处理含铬废水的方法 | |
CN104176857B (zh) | 湿法电解锰生产过程中含锰废水的处理工艺 | |
CN102923905B (zh) | 一种稀土冶炼废水的处理方法及装置 | |
CN101269889A (zh) | 不锈钢酸洗废水液的处理方法 | |
CN101830583A (zh) | 石膏沉淀-氧化沉砷-中和铁盐共沉污酸的方法 | |
CN103121763A (zh) | 一种三段石灰铁盐法对高砷高镉污酸的处理工艺 | |
CN103951114B (zh) | 一种重金属废水三级处理与深度净化回用工艺 | |
CN101265001B (zh) | 一种喷水织机废水处理回用方法 | |
CN204224358U (zh) | 不锈钢冷轧酸性废水处理装置 | |
CN205773743U (zh) | 一种锅炉酸洗废水处理系统 | |
CN104310650B (zh) | 含铬不锈钢冷轧废水处理方法 | |
JP2009072769A (ja) | 汚水処理システム | |
CN106746391A (zh) | 一种磷化污泥资源化处置方法 | |
CN109368857A (zh) | 一种钢铁酸洗废液的无害化处理装置及工艺 | |
CN104310651B (zh) | 含油不锈钢冷轧废水处理装置以及处理方法 | |
CN103043834A (zh) | 稀土冶炼废水处理工艺 | |
CN104692563B (zh) | 一种电镀废水回用设备及其处理方法 | |
CN202297309U (zh) | 综合处理酸洗工艺废水和制革工艺废水的系统 | |
CN204224359U (zh) | 钢铁厂含油废水处理设备 | |
CN204224357U (zh) | 含油不锈钢冷轧废水处理装置 | |
CN207192989U (zh) | 烟气脱硫脱硝废水处理装置 | |
CN204224360U (zh) | 钢铁厂含铬废水处理设备 | |
CN102757141A (zh) | 一种不锈钢酸洗混合废酸中重金属镍的处理方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20181211 Address after: 400056 Four Communes of Freedom Village, Nanquan Town, Banan District, Chongqing Patentee after: Chongqing Burun Antirust Technology Co., Ltd. Address before: 516000 No. 5 Xingyuan Third Road, Yuanzhou Town, Boluo County, Huizhou City, Guangdong Province Patentee before: Wen Yuyou |
|
TR01 | Transfer of patent right |
Effective date of registration: 20191031 Address after: Xiangyu Street Airport Development Zone Road 401120 Chongqing city Yubei District Shuangfeng Bridge No. 15 Building 2 Patentee after: Chongqing Bochuang Intellectual Property Operations Co., Ltd. Address before: 400056 four clubs, liberty village, South springs, Banan District, Chongqing Patentee before: Chongqing Burun Antirust Technology Co., Ltd. |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20201112 Address after: 225600 Jiangsu Province Yangzhou Gaoyou Economic Development Zone Dongting Lake Road Science and Technology Venture Center, Room 210, 2nd floor Patentee after: JIANGSU BOSIWEI INTELLECTUAL PROPERTY OPERATION Co.,Ltd. Address before: Xiangyu Street Airport Development Zone Road 401120 Chongqing city Yubei District Shuangfeng Bridge No. 15 Building 2 Patentee before: Chongqing Bochuang Intellectual Property Operations Co.,Ltd. |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20201119 Address after: 224600 North of Port and Television Avenue, Xiangshui Coastal Economic Development Zone, Yancheng City, Jiangsu Province Patentee after: Xiangshui Huaqing Sewage Treatment Co.,Ltd. Address before: 225600 Jiangsu Province Yangzhou Gaoyou Economic Development Zone Dongting Lake Road Science and Technology Venture Center, Room 210, 2nd floor Patentee before: JIANGSU BOSIWEI INTELLECTUAL PROPERTY OPERATION Co.,Ltd. |
|
TR01 | Transfer of patent right |