CN102126265A - Synchronous three-position water-jet waste tire grinder - Google Patents
Synchronous three-position water-jet waste tire grinder Download PDFInfo
- Publication number
- CN102126265A CN102126265A CN2011100308875A CN201110030887A CN102126265A CN 102126265 A CN102126265 A CN 102126265A CN 2011100308875 A CN2011100308875 A CN 2011100308875A CN 201110030887 A CN201110030887 A CN 201110030887A CN 102126265 A CN102126265 A CN 102126265A
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- tire
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- water
- synchronous
- high pressure
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Links
- 230000001360 synchronised effect Effects 0.000 title claims abstract description 17
- 239000010920 waste tyre Substances 0.000 title abstract 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 61
- 230000007246 mechanism Effects 0.000 claims abstract description 28
- 239000007921 spray Substances 0.000 claims abstract description 23
- 238000009434 installation Methods 0.000 claims description 7
- 230000007306 turnover Effects 0.000 claims description 3
- 238000010298 pulverizing process Methods 0.000 abstract description 8
- 229920001971 elastomer Polymers 0.000 description 9
- 238000000034 method Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 239000004575 stone Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000005098 hot rolling Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000010437 gem Substances 0.000 description 1
- 229910001751 gemstone Inorganic materials 0.000 description 1
- 230000003447 ipsilateral effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 229920001195 polyisoprene Polymers 0.000 description 1
- 239000011802 pulverized particle Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/02—Separating plastics from other materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/04—Disintegrating plastics, e.g. by milling
- B29B2017/0424—Specific disintegrating techniques; devices therefor
- B29B2017/0428—Jets of high pressure fluid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2030/00—Pneumatic or solid tyres or parts thereof
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Disintegrating Or Milling (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention discloses a synchronous three-position water-jet waste tire grinder, comprising a cabin body, wherein the side wall of the cabin body is provided with a tire access door. The synchronous three-position water-jet waste tire grinder is characterized in that the top as well as the left and the right sides of the cabin body are respectively provided with a high-pressure-water rotating nozzle, the high-pressure-water rotating nozzles are externally connected with an ultrahigh-pressure pump set, the cabin body is internally provided with a tire spreading and rotating mechanism which comprises a support, a hydraulic cylinder driving lever and a driving mechanism thereof, the hydraulic cylinder driving lever and the driving mechanism thereof are rotatably installed on the support, and the hydraulic cylinder driving lever is provided with a tensioning mechanism; and when the tensioning mechanism spreads outwards, an inner ring of a tire is tensioned, and the high-pressure-water rotating nozzles are opposite to the tire from up, left and right directions respectively. When the synchronous three-position water-jet waste tire grinder disclosed by the invention works, the high-pressure-water rotating nozzles spray out high-pressure water to crush the tire to realize pulverization very simply and conveniently.
Description
Technical field
The invention belongs to a kind of reducing mechanism, specifically is a kind of junked tire pulverizer.
Background technology
The recycling of junked-auto rubber tyre is a worldwide difficult problem always, and the expected result of handling junked tire is: equably tyre talc is broken into the rubber particle about 20 orders, and the 65Mn stainless steel wire that twines in the tire can be separated.Why this is the result of expectation, is that the 65Mn stainless steel wire of separating then can reclaim multiplexing because rubber particle can be used as high-speed railway rail acoustic damping materials and other rubber raw materials uniformly.
Just because of junked tire has certain recovery value, and solved the contaminated environment way of traditional burning tire again well, pulverized tire technology and just become technical goal.Before water jet was pulverized tire, the mechanical crushing tire is existing to be used.It is to adopt the hot-rolling rolling method, and the rubber grain that this method is pulverized is very inhomogeneous, and must shred tire with machinery knives earlier before rolling, so also just can't isolate the 65Mn steel wire, in addition, hot-rolling rolls and makes total rubber that adheres on the roller, must clear up often.
Summary of the invention
The objective of the invention is to propose the synchronous water jet tire of a kind of Three-bearing pulverizer, by at the top, left and right side installs the high-pressure rotary shower nozzle.It realizes Three-bearing inject high pressure current to the tire that is rotating, and full the encirclement successively of tire is pulverized, and can isolate the 65Mn steel wire.
Technical scheme of the present invention is as follows:
The synchronous water jet junked tire of Three-bearing pulverizer, include the cabin body, the cabin body sidewall is provided with the door for the tire turnover, the top and the left side that it is characterized in that described cabin body, the right side is separately installed with the water under high pressure rotary nozzle, the external super-pressure pump unit of described water under high pressure rotary nozzle, be provided with in the body of described cabin that tire struts and rotating mechanism, tire struts and includes bearing with rotating mechanism and be rotatably installed in Driven by Hydraulic Cylinder bar and driving mechanism thereof on the bearing, on the described Driven by Hydraulic Cylinder bar tension mechanism is installed, tensioner tire inner ring when tension mechanism outwards struts, described water under high pressure rotary nozzle is respectively from last, a left side, right three directions are facing to described tire.
The synchronous water jet junked tire of described Three-bearing pulverizer, it is characterized in that described water under high pressure rotary nozzle has the rotatable horizontal spray boom that is connected with the water under high pressure water inlet system, on the described horizontal spray boom nozzle is installed, the outlet conduit of described nozzle and spray boom tilt to install, and make to spray to working face from the water under high pressure of nozzle ejection with the angle of inclination.
The synchronous water jet junked tire of described Three-bearing pulverizer is characterized in that the below of hydraulic-driven bar in the body of described cabin is equipped with filter screen.
The synchronous water jet junked tire of described Three-bearing pulverizer is characterized in that outlet conduit and 15 ° ~ 30 ° installations of spray boom inclination of described nozzle.
The synchronous water jet junked tire of described Three-bearing pulverizer is characterized in that described rotary nozzle nozzle quantity 2 or 4, and the nozzle bore diameter is Φ 0.20 ~ Φ 0.35mm.
The present invention is cut by ultra-high pressure water fluid jet that provides such as cutter and realizes that tire pulverizes function as the hammering.Pulverizer has following key problem in technology point: the nozzle of super-pressure rotary nozzle and spray boom are circumferential 15 ° ~ 30 ° installations; Three same rotary nozzles are " door " type and arrange.Synchronization job; Tire struts tensioner and rotation at inner ring by the tension mechanism on the Driven by Hydraulic Cylinder bar, realizes successively pulverizing; Pulverized rubber particle net filtration after filtration reclaims, the basic recycled in its entirety of 65Mn silk screen, and waste water refluxes multiplexing to pump suction water tank through the smart filter of 5 μ.
Basic fundamental parameter of the present invention is as follows:
Super-pressure pump:
Pressure 250MPa
Operating pressure 220 ~ 240MPa commonly used
Flow (each shower nozzle) 25L/min
(adopt the 3x110kw pump, perhaps adopt 1x110kw+1x250kw)
Pulverizer:
About pulverized particles 20 orders
Pump intake filters full accuracy 5 μ
The present invention is primarily aimed at the all-purpose tire of large truck, if the then corresponding change installation dimension of greater or lesser tire, other are identical, and shower nozzle rotating diameter 250mm(2 or 4 spray booms are correspondingly joined 2 or 4 nozzles).
Principle Analysis of the present invention:
Under the prerequisite of tire rotation, adopt three identical rotary nozzles to form to the full pattern of comminution process successively of surrounding of tire Three-bearing, this innovative design is to obtain on the basis of good result with single bundle water jet pulverizing tire test, further realize evenly successively pulverizing target design, this design makes tire not have ground, dead angle and evenly suffers the strike of water jet.Three rotary nozzles all are fixedly mounted on three orientation skeletons of Working cabin body, the rotating jet of three rotating diameter 250mm forms synchronously, cover simultaneously and impact not ipsilateral, the relativity of water jet and tire, its result no longer is the cutting of single bundle water jet, but truly " pulverizing ".We can say that this is the key problem in technology of function of realizing ideal.Certainly, shower nozzle is many, and must possess corresponding flow and ensure synchronization job, so, the basic fundamental parameter, the clear and definite flow indicator of water jet, these 2 have ensured commercialization function of the present invention.
High-pressure rotary shower nozzle of the present invention effect is the rotating jet of concentrating with relatively, realize pulverizing function with normal direction hitting power and the compound momentary action of tangential stripping layer power, utilize the rotation of the formed jet torque drive of nozzle inclined installation angle shower nozzle, i.e. rotation type.There are 2 or 4 artificial jewel nozzles to be installed in opposed two or four spray boom ends on each shower nozzle, and along the circumferential direction are 15 ° ~ 30 ° installations of the inclination straight angle.Its water jet hitting power of such nozzle is decomposed into the hitting power of normal direction and tangential stripping layer power, and relative to rotating and the rotation of shower nozzle of tire, the meticulous pulverizing of moment just can form.The effect of guard shield is that the protection spray boom is not impacted, in order to avoid cause jam.
The hydraulic pressure tension mechanism
Fixing and the rotation of tire is by hydraulic-driven bar and hydraulic pressure tension mechanism and adjustable frequency motor driving realization, tensioner tire diameter when tension mechanism struts, make it fixing unsettled, during contraction, penetrate or emit tire, this cover tension mechanism is installed on the bearing, enters the deliver from vault along with the pulverizing of tire along with the going into the cabin of tire.
After the tire tensioner was fixing, adjustable frequency motor drove hydraulic-driven bar and tire rotation, and its revolution can be regulated control at any time, to adapt to the comminution process of water jet rotary nozzle.
Cabin body sealing
Door on the body of cabin is equipped with the elastic caoutchouc sealing strip between hydraulic-driven bar and the cabin body, does not spatter with the water smoke in the assurance cabin and releases the cabin, and hatch door forms airtight Working cabin by pneumatic open and close.
Water tank
Water tank places support, and the filter screen of multiple tracks different meshes is housed in the water tank, to determine to collect the rubber powder; Filtered water is back to the preposition water tank of super-pressure pump and recycles.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Number in the figure: 1-1, water under high pressure rotary nozzle, 1-2, cabin body, 1-3, tire enter hatch door, 1-4, tire, 1-5, the roller 1-6 that reaches the standard grade, bead wire net withdraw from hatch door, 1-7, water tank, 1-8, roller rolls off the production line;
Fig. 2 is a side structure schematic diagram of the present invention.
Number in the figure: 2-1, super-pressure pump unit, 2-2, hydraulic system, 2-3, Driven by Hydraulic Cylinder bar, 2-4, water under high pressure rotary nozzle, 2-5, tension mechanism, 2-6, tire, 2-7, cabin body, 2-8, water tank;
Fig. 3 is a spray boom structural representation of the present invention.
Number in the figure: 3-1, super-pressure rotatory sealing, 3-2, five-way, 3-3, horizontal spray boom, 3-4, synthetic cut stone nozzle;
Fig. 4 is a nozzle arrangements schematic diagram of the present invention.
Number in the figure: 4-1, horizontal spray boom, 4-2, synthetic cut stone nozzle;
Fig. 5 is hydraulic-driven bar of the present invention and Tensioning structure schematic diagram.
Number in the figure: 5-1, variable-frequency motor, 5-2, hydraulic cylinder, 5-3, Driven by Hydraulic Cylinder bar, 5-4, tire, 5-5, tension mechanism.
The specific embodiment
The synchronous water jet junked tire of Three-bearing pulverizer, include cabin body 1-2, cabin body 1-2 sidewall is provided with the door 1-3 for the tire turnover, a top and the left side of cabin body 1-2, the right side is separately installed with water under high pressure rotary nozzle 1-1, the external super-pressure pump unit of described water under high pressure rotary nozzle 1-1 2-1, being provided with the tire that moves along slide rail in the body 1-2 of cabin struts and rotating mechanism, tire struts to include with rotating mechanism and rotates the Driven by Hydraulic Cylinder bar 2-3 be installed on the bearing, hydraulic pressure tension mechanism 2-5 is installed on the Driven by Hydraulic Cylinder bar 2-3, tensioner tire 1-4 inner ring when tension mechanism 2-5 outwards struts, water under high pressure rotary nozzle 1-1 is respectively from last, a left side, right three directions are facing to tire 1-4.
Water under high pressure rotary nozzle 1-1 has the rotatable horizontal spray boom 3-3 that is connected with the water under high pressure water inlet system, synthetic cut stone nozzle 3-4 is installed on the horizontal spray boom 3-3, the outlet conduit of nozzle 3-4 and 15 ° ~ 30 ° installations of spray boom 3-3 inclination make to spray to tire 1-4 working face from the water under high pressure of nozzle 3-4 ejection with 15 ° ~ 30 ° angles that tilt.Nozzle diameter is Φ 0.20 ~ Φ 0.35mm, the long 250mm of spray boom.
Operation process.
Junked tire 1-4 enters Working cabin body 1-2 through the roller 1-5 that reaches the standard grade, and is placed in tire on the slide rail and struts with rotating mechanism and stretch into the chamber, cabin, and tensioner is tire fixedly, closes hatch door then, starts the rotation of adjustable frequency motor 2-2 tire on the drive wheels; Meanwhile, start the synchronization job that super-pressure pump unit 2-1 forms 3 rotary nozzles, successively pulverize tire, take out the tire silk screen then, carry out next tire and pulverize.When the alluvial rubber powder reaches a certain amount of, the collection of opening the cabin.Because water circulates, when shutting down operation, ponding seldom in the water tank 1-6.
Omnidistance operation is controlled by PLC.Can guarantee various moving Parameter Optimization combinations, stable coupling.
Claims (5)
1. the synchronous water jet junked tire of Three-bearing pulverizer, include the cabin body, the cabin body sidewall is provided with the door for the tire turnover, the top and the left side that it is characterized in that described cabin body, the right side is separately installed with the water under high pressure rotary nozzle, the external super-pressure pump unit of described water under high pressure rotary nozzle, be provided with in the body of described cabin that tire struts and rotating mechanism, tire struts and includes bearing with rotating mechanism and be rotatably installed in Driven by Hydraulic Cylinder bar and driving mechanism thereof on the bearing, on the described Driven by Hydraulic Cylinder bar tension mechanism is installed, tensioner tire inner ring when tension mechanism outwards struts, described water under high pressure rotary nozzle is respectively from last, a left side, right three directions are facing to described tire.
2. the synchronous water jet junked tire of Three-bearing according to claim 1 pulverizer, it is characterized in that described water under high pressure rotary nozzle has the rotatable horizontal spray boom that is connected with the water under high pressure water inlet system, on the described horizontal spray boom nozzle is installed, the outlet conduit of described nozzle and spray boom tilt to install, and make to spray to working face from the water under high pressure of nozzle ejection with the angle of inclination.
3. the synchronous water jet junked tire of Three-bearing according to claim 1 pulverizer is characterized in that the below of hydraulic-driven bar in the body of described cabin is equipped with filter screen.
4. the synchronous water jet junked tire of Three-bearing according to claim 1 pulverizer is characterized in that outlet conduit and 15 ° ~ 30 ° installations of spray boom inclination of described nozzle.
5. the synchronous water jet junked tire of Three-bearing according to claim 2 pulverizer is characterized in that described rotary nozzle nozzle quantity 2 or 4, and the nozzle bore diameter is Φ 0.20 ~ Φ 0.35mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100308875A CN102126265B (en) | 2011-01-28 | 2011-01-28 | Synchronous three-position water-jet waste tire grinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100308875A CN102126265B (en) | 2011-01-28 | 2011-01-28 | Synchronous three-position water-jet waste tire grinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102126265A true CN102126265A (en) | 2011-07-20 |
| CN102126265B CN102126265B (en) | 2013-03-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100308875A Active CN102126265B (en) | 2011-01-28 | 2011-01-28 | Synchronous three-position water-jet waste tire grinder |
Country Status (1)
| Country | Link |
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| CN (1) | CN102126265B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103963189A (en) * | 2014-04-15 | 2014-08-06 | 安徽理工大学 | Tire recycling device for smashing waste tire based on high-pressure water jet |
| CN108247911A (en) * | 2018-03-26 | 2018-07-06 | 东莞市秉能橡胶有限公司 | A kind of damaged tire total system based on ultra-high pressure water fluid jet technology |
| CN108673792A (en) * | 2018-07-06 | 2018-10-19 | 王琪 | A kind of plastic processing grinding device and breaking method with cleaning function |
| CN110385805A (en) * | 2019-08-01 | 2019-10-29 | 金华纳尔环保技术有限公司 | A kind of recycling and processing device for waste tire |
| CN110813475A (en) * | 2019-11-12 | 2020-02-21 | 甘肃昊宇环保科技有限公司 | Rural village and town sewage treatment device and use method thereof |
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| JP2000317335A (en) * | 1999-03-08 | 2000-11-21 | Mori Seisakusho:Kk | Waste tire crushing method and apparatus |
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| CN1923486A (en) * | 2006-09-21 | 2007-03-07 | 陈波 | Method and apparatus for preparing rubber powder by using waste and old tyre based on water jet flow technology |
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| CN101224609A (en) * | 2007-12-03 | 2008-07-23 | 刘威衢 | Method for applying sand suspension to eject old tire in high pressure to preparing rubber powder and device thereof |
| CN201960682U (en) * | 2011-01-28 | 2011-09-07 | 合肥通用机械研究院 | Three-direction synchronous water jet waste tire grinder |
-
2011
- 2011-01-28 CN CN2011100308875A patent/CN102126265B/en active Active
Patent Citations (8)
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103963189A (en) * | 2014-04-15 | 2014-08-06 | 安徽理工大学 | Tire recycling device for smashing waste tire based on high-pressure water jet |
| CN108247911A (en) * | 2018-03-26 | 2018-07-06 | 东莞市秉能橡胶有限公司 | A kind of damaged tire total system based on ultra-high pressure water fluid jet technology |
| CN108673792A (en) * | 2018-07-06 | 2018-10-19 | 王琪 | A kind of plastic processing grinding device and breaking method with cleaning function |
| CN110385805A (en) * | 2019-08-01 | 2019-10-29 | 金华纳尔环保技术有限公司 | A kind of recycling and processing device for waste tire |
| CN110813475A (en) * | 2019-11-12 | 2020-02-21 | 甘肃昊宇环保科技有限公司 | Rural village and town sewage treatment device and use method thereof |
| CN110813475B (en) * | 2019-11-12 | 2021-08-17 | 甘肃昊宇环保科技有限公司 | Rural village and town sewage treatment device and use method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102126265B (en) | 2013-03-20 |
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Owner name: HEFEI GENERAL ENVIRONMENT CONTROL TECHNOLOGY CO., Free format text: FORMER OWNER: HEFEI UNIVERSAL MACHINERY INST. Effective date: 20140319 |
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Effective date of registration: 20140319 Address after: High tech Zone Hefei city Anhui province 230094 Xisi Road No. 9 (electromechanical Industrial Park) Patentee after: HEFEI GENERAL ENVIRONMENT CONTROL TECHNOLOGY Co.,Ltd. Address before: 230031 Hefei Changjiang Road, Anhui, No. 888 Patentee before: HEFEI GENERAL MACHINERY Research Institute |
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| TR01 | Transfer of patent right |
Effective date of registration: 20240808 Address after: 230601 No. 616 Penglai Road, Economic and Technological Development Zone, Hefei City, Anhui Province Patentee after: SINOMACH GENERAL MACHINERY SCIENCE & TECHNOLOGY CO.,LTD. Country or region after: China Address before: 230094 No. 9 West Fourth Road, high tech Zone, Hefei, Anhui (mechanical and Electrical Industrial Park) Patentee before: HEFEI GENERAL ENVIRONMENT CONTROL TECHNOLOGY Co.,Ltd. Country or region before: China |