CN102179179A - Vertical roll membrane filtering device and cleaning method thereof - Google Patents
Vertical roll membrane filtering device and cleaning method thereof Download PDFInfo
- Publication number
- CN102179179A CN102179179A CN2011100794568A CN201110079456A CN102179179A CN 102179179 A CN102179179 A CN 102179179A CN 2011100794568 A CN2011100794568 A CN 2011100794568A CN 201110079456 A CN201110079456 A CN 201110079456A CN 102179179 A CN102179179 A CN 102179179A
- Authority
- CN
- China
- Prior art keywords
- current opening
- membrane
- liquid outlet
- erect
- last
- 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.)
- Granted
Links
Images
Abstract
The invention discloses a vertical roll membrane filtering device, which comprises a vertically-placed membrane shell. The vertical roll membrane filtering device is characterized in that a roll membrane element adapting to the membrane shell is arranged in the membrane shell; an upper sealing head and a lower sealing head are respectively arranged on the upper end and the lower end of the membrane shell; the roll membrane element is internally provided with a permeate output pipe, two ends of the permeate output pipe are provided with an upper permeate outlet and a lower permeate outlet which respectively pass through the upper sealing head and the lower sealing head to extend outside, and two ends of the membrane shell are respectively provided with an upper flow opening and a lower flow opening. Due to the adoption of the structure, the membrane shell and the roll membrane element are vertically placed, the vertical roll membrane filtering device can be used for more effectively cleaning the membrane surface by means of micro bubbles formed by gas and water, and is help to improve recovery rate of materials with high value, prolong service life of the membrane and shorten cleaning time so as to reduce operation cost of the membrane device to ensure that the membrane system is widely applied to material separation and reclaimed water recycling.
Description
Technical field
The present invention relates to a kind of rolled film filter; The invention still further relates to a kind of cleaning method of rolled film filter.Belong to a kind of separation technology field or water supply and drainage, environmental technology field.
Background technology
Membrane separation technique is meant under the motive force effect, utilizes the selection permeability of film, makes the separated technology of each component in the mixture.Membrane separation technique is widely used in fields such as water supply and drainage, food and drink, pharmacy, chemical industry.Vigorously advocate in the trend of also carry out earnestly energy-saving and emission-reduction, recycling economy in mankind nowadays society, membrane technology will be appeared suddenly more in the application aspect feed separation and the middle water reuse.
Film separates can be divided into micro-filtration, ultrafiltration, nanofiltration and counter-infiltration by the incision of matter size.Shape by film, membrane module roughly is divided into hollow-fibre membrane, tubular membrane, board-like film and rolled film.The membrane area that rolled film fills with its unit volume is big, flow passage design, the operation power cost is low and the application quantity maximum, and application is the widest.
In the prior art, rolled membrane module fills 1 ~ 7 membrane component by pressure vessel and single pressure vessel and forms, the transversely arranged combination of membrane module is often formed a cover membrane separation device by pretreatment system, pressure charging system, pipeline, instrument, electrical control, support etc.
Influence film separation system operation most critical factor and be and suppress that film pollutes and how film more effectively cleans after polluting, particularly film separates and is applied to feed separation, purification, concentrates and larger middle water reuse.Effective air water cleaning method cheaply, because of horizontal membrane module can not be used, assembly in service (pressure vessel) though in enter a small amount of gas, will cause gas to be concentrated on membrane component top, cause the damage of membrane component.On the one hand, when film was applied to feed separation, because separated material is common than the simple relatively easier polluted membrane of water treatment, film needed the higher cleaning agent that cleaning frequency, composition are more, price is higher, more scavenging period.It is big to it is worth noting that more separated material is worth; material in the horizontal membrane module has to come out with other liquid displacement before cleaning or interim the shutdown; cause separated object yield low, cause device operating cost height, membrane lifetime weak point like this, influenced the application that film separates.On the other hand, film separate be applied in during the water reuse, because middle water is various waste water reach discharge standard substantially after suitable PROCESS FOR TREATMENT water, compare simple with film separation of produced pure water, water purification, desalinization etc., water inlet composition complexity, the factor of polluted membrane is many, and film also needs more effective preliminary treatment, higher cleaning frequency, more scavenging period.More can not effectively discharge because of the water in the horizontal membrane module, purging system needs the water dilution in the higher Chemical cleaning agent concentration tunicle.Film has influenced the application of water reuse during film is separated in equally because of cleaning frequency height, cleaning are thorough, the life-span is short.
Summary of the invention
The invention provides a kind of easy cleaning, few with chemical agent clean, cleaning charge is low, effective, the rolled film filter and the cleaning method of film long service life.
In order to solve the problems of the technologies described above, a kind of erect-type rolled film filter of the present invention, comprise and erect the film shell of placing, the rolled film element that adapts to it is installed in the described film shell, described film shell upper and lower end is separately installed with upper and lower seal head, have through the liquid efferent duct in the described rolled film element, should see through the filtrate output tube two ends and be provided with and pass upper and lower seal head respectively and extend in the outer upper and lower liquid outlet that sees through, film shell two ends also are respectively arranged with upper and lower current opening.
Be respectively arranged with upper and lower thrust ring between described rolled film element and the upper and lower seal head.
The described current opening of going up is arranged on the seal head, and described current opening down is arranged at film shell following side.
Described rolled film element is a kind of in coiled reverse osmosis membrane element, rolling NF membrane element, rolling ultrafiltration membrane elements and the rolling micro-filtration membrane element.
A kind of cleaning method of erect-type rolled film filter may further comprise the steps:
A. forward flushing from top to bottom, following current opening and upper and lower the outlet through liquid are opened last current opening water inlet, duration 5 ~ 15s;
B. air water flushing, last current opening is opened, and upper and lower the outlet through liquid opened, following current opening water inlet, air inlet, duration 5 ~ 30s;
C. big yield forward flushing from top to bottom, following current opening and upper and lower the outlet through liquid are opened, and last current opening big yield is intake towards Xian, duration 5 ~ 15s;
D. recover to filter, every 30 minutes ~ 24 hours repeating step a to c.
A kind of cleaning method of erect-type rolled film filter may further comprise the steps:
A. forward flushing from top to bottom, following current opening, the upper and lower outlet through liquid are opened last current opening water inlet, duration 10 ~ 30s;
B. air water flushing, last current opening and upper and lower the outlet through liquid are opened following current opening water inlet, air inlet flushing, duration 30 ~ 60s;
C. big yield just washes, and following current opening and upper and lower the outlet through liquid are opened, last current opening big yield water inlet flushing, duration 10 ~ 30s;
D. emptying, last current opening sees through the emptier that the liquid outlet is connected and opens with last, following current opening and see through liquid down and export and open emptying;
E. cyclic chemical cleans, and opens the current opening and upper and lowerly sees through the liquid outlet, starts circulation dosing purging system, from the following current opening into cleaning agent that circulates, 1 ~ 30 minute duration, pressure 0.2 ~ 0.4mpa;
F. Chemical cleaning is strengthened in aerating, air inlet of following current opening and cleaning agent, and the time of single cycle is 30 ~ 60s, continues 3 ~ 10 times;
G. cut off circulation dosing purging system and emptying, following current opening and upper and lower the outlet through liquid are opened, and last current opening and the last high-order emptier that sees through the liquid outlet are opened the cleaning agent in the emptier;
H. forward flushing from top to bottom, last current opening big yield forward flushing continues 1 ~ 10 minute;
G. recover to filter.
The invention has the beneficial effects as follows: this erect-type rolled film filter is owing to adopt said structure, and film shell and rolled film element are erect and placed, and can carry out more effective cleaning to the film surface by means of the micro-bubble of gas and water formation.Help to improve the rate of recovery of high value material, prolong film service life, reduce that scavenging period becomes and the operating cost that reduced film device makes the film system more extensive in the application of feed separation and middle water reuse.
Description of drawings
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
Fig. 1 is a structural representation of the present invention.
The specific embodiment
With reference to Fig. 1, a kind of erect-type rolled film filter of the present invention, comprise and erect the film shell of placing 1, the rolled film element 2 that adapts to it is installed in the described film shell 1, described film shell 1 upper and lower end is separately installed with upper and lower seal head 3,4, have through liquid efferent duct 5 in the described rolled film element 2, should see through filtrate output tube 5 two ends and be provided with and pass upper and lower seal head 3,4 respectively and extend in the outer upper and lower liquid outlet 6,7 that sees through, film shell 1 two ends also are respectively arranged with upper and lower current opening 8,9.When filtering, former water enters film shell 1 from following current opening 9, after cutting one group of membrane component, part flows out from last current opening 8, since the effect of hydraulic pressure, former water section see through reenter in the film bag that film enters membrane component 2 through liquid efferent duct 5 for see through liquid, seeing through liquid can be from seeing through liquid outlet 6 or seeing through liquid outlet 7 outputs down.This erect-type rolled film filter is owing to adopt said structure, and film shell 1 and rolled film element 2 are erect and placed, and can carry out more effective cleaning to the film surface by means of little water vapor bubbles of gas and water formation.Help to improve the high value material the rate of recovery, prolong film service life, reduce that scavenging period becomes and the operating cost that reduced film device makes the film system more extensive in the application of feed separation and middle water reuse.
In the present embodiment, be respectively arranged with upper and lower thrust ring 10,11 between described rolled film element 2 and the upper and lower seal head 3,4, can adapt to the current forward and, make the rolled film element obtain good location oppositely to the impact of volume membrane component.The described current opening 8 of going up is arranged on the seal head 3, and described current opening 9 down is arranged at film shell 1 following side, is convenient to the installation location of connecting pipe and the exhaust in the device.Described rolled film element 2 is a kind of in coiled reverse osmosis membrane element, rolling NF membrane element, rolling ultrafiltration membrane elements and the rolling micro-filtration membrane element.
In order to strengthen cleaning performance, another kind of cleaning method of the present invention is a kind of cleaning method of erect-type rolled film filter, may further comprise the steps:
A. forward flushing from top to bottom, following current opening 9 and upper and lowerly see through liquid outlet 6,7 and open, last current opening 8 is intake duration 5 ~ 15s;
B. air water flushing, last current opening 8 is opened, and upper and lowerly sees through liquid outlet 6,7 and opens, and following current opening 9 is intake, air inlet, duration 5 ~ 30s;
C. big yield forward flushing from top to bottom, following current opening 9 and upper and lowerly see through liquid outlet 6,7 and open, last current opening 8 big yields are intake towards Xian, duration 5 ~ 15s;
D. recover to filter, every 30 minutes ~ 24 hours repeating step a to c.
In order further to strengthen the Chemical cleaning effect, another kind of cleaning of the present invention aspect is a kind of cleaning method of erect-type rolled film filter, may further comprise the steps:
A. forward flushing from top to bottom, upper and lowerly sees through liquid outlet 6,7 and opens following current opening 9, and last current opening 8 is intake duration 10 ~ 30s;
B. air water flushing, last current opening 8 and upper and lowerly see through liquid outlet 6,7 and open, duration 30 ~ 60s is washed in following current opening 9 water inlets, air inlet;
C. big yield just washes, following current opening 9 and upper and lowerly see through liquid outlet 6,7 and open, and duration 10 ~ 30s is washed in last current opening 8 big yields water inlet;
D. emptying, last current opening 8 is opened with last liquid outlet 6 emptier that are connected that see through, and following current opening 9 is opened emptying with following through liquid outlet 7;
E. cyclic chemical cleans, and opens current opening 8 and upper and lower through liquid outlet 6,7, starts circulation dosing purging system, advances cleaning agent, 1 ~ 30 minute duration, pressure 0.2 ~ 0.4mpa from following current opening 9 circulations;
F. Chemical cleaning is strengthened in aerating, following current opening 9 air inlets and cleaning agent, and the time of single cycle is 30 ~ 60s, continues 3 ~ 10 times;
G. cut off circulation dosing purging system and emptying, following current opening 9 and upper and lowerly see through liquid outlet 6,7 and open, last current opening 8 and the last high-order emptier that sees through liquid outlet 6 are opened the cleaning agent that emptier is interior;
H. forward flushing from top to bottom, last current opening 8 big yield forwards flushing continues 1 ~ 10 minute;
I. recover to filter.
The above only is a preferential embodiment of the present invention, as long as realize that with basic identical means the technical scheme of the object of the invention all belongs within protection scope of the present invention.
Claims (6)
1. erect-type rolled film filter, comprise and erect the film shell of placing (1), it is characterized in that being equipped with in the described film shell (1) the rolled film element (2) that adapts to it, on the described film shell (1), the lower end is separately installed with, lower seal head (3,4), have in the described rolled film element (2) through liquid efferent duct (5), should see through filtrate output tube (5) two ends is provided with respectively and passes, lower seal head (3,4) extend in outer on, see through liquid outlet (6 down, 7), film shell (1) two ends also are respectively arranged with, following current opening (8,9).
2. erect-type rolled film filter according to claim 1 is characterized in that described rolling
Be respectively arranged with upper and lower thrust ring (10,11) between membrane component (2) and the upper and lower seal head (3,4).
3. erect-type rolled film filter according to claim 1 is characterized in that the described current opening (8) of going up is arranged on the seal head (3), and described current opening (9) down is arranged at film shell (1) following side.
4. erect-type rolled film filter according to claim 1 is characterized in that described rolling
Membrane component (2) is a kind of in coiled reverse osmosis membrane element, rolling NF membrane element, rolling ultrafiltration membrane elements and the rolling micro-filtration membrane element.
5. the cleaning method of an erect-type rolled film filter is characterized in that may further comprise the steps:
A. forward flushing from top to bottom, following current opening (9) and upper and lowerly see through liquid outlet (6,7) and open, last current opening (8) is intake, duration 5 ~ 15s;
B. air water flushing, last current opening (8) is opened, and upper and lowerly sees through liquid outlet (6,7) and opens, and following current opening (9) is intake, air inlet, duration 5 ~ 30s;
C. big yield forward flushing from top to bottom, following current opening (9) and the upper and lower liquid that sees through export (6,7) and open, and last current opening (8) big yield is intake towards Xian, duration 5 ~ 15s;
D. recover to filter, every 30 minutes ~ 24 hours repeating step a to c.
6. the cleaning method of an erect-type rolled film filter is characterized in that may further comprise the steps:
A. forward flushing from top to bottom, upper and lowerly sees through liquid outlet (6,7) and opens following current opening (9), and last current opening (8) is intake, duration 10 ~ 30s;
B. air water flushing, last current opening (8) and upper and lowerly see through liquid outlet (6,7) and open, following current opening (9) is intake, duration 30 ~ 60s is washed in air inlet;
C. big yield just washes, following current opening (9) and upper and lowerly see through liquid outlet (6,7) and open, and duration 10 ~ 30s is washed in the water inlet of last current opening (8) big yield;
D. emptying, last current opening (8) sees through the emptier that liquid outlet (6) is connected and opens with last, following current opening (9) and export (7) through liquid down and open emptying;
E. cyclic chemical cleans, and opens current opening (8) and upper and lower through liquid outlet (6,7), starts circulation dosing purging system, advances cleaning agent, 1 ~ 30 minute duration, pressure 0.2 ~ 0.4mpa from following current opening (9) circulation;
F. Chemical cleaning is strengthened in aerating, following current opening (9) air inlet and cleaning agent, and the time of single cycle is 30 ~ 60s, continues 3 ~ 10 times;
G. cut off circulation dosing purging system and emptying, following current opening (9) and upper and lowerly see through liquid outlet (6,7) and open, last current opening (8) and upward see through the high-order emptier that liquid exports (6) and open the cleaning agent that emptier is interior;
H. forward flushing from top to bottom, the flushing of last current opening (8) big yield forward continues 1 ~ 10 minute;
I. recover to filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110079456 CN102179179B (en) | 2011-03-31 | 2011-03-31 | Vertical roll membrane filtering device and cleaning method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110079456 CN102179179B (en) | 2011-03-31 | 2011-03-31 | Vertical roll membrane filtering device and cleaning method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102179179A true CN102179179A (en) | 2011-09-14 |
| CN102179179B CN102179179B (en) | 2013-09-18 |
Family
ID=44565581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110079456 Active CN102179179B (en) | 2011-03-31 | 2011-03-31 | Vertical roll membrane filtering device and cleaning method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102179179B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105536542A (en) * | 2015-12-14 | 2016-05-04 | 广东创源节能环保有限公司 | Gas-ejecting self-cleaning type roll membrane filtration apparatus and gas permeation rate detection method using filtration apparatus |
| CN105536543A (en) * | 2015-12-14 | 2016-05-04 | 广东创源节能环保有限公司 | Vibrating and vertical type spiral-wound membrane filtration device |
| US9333464B1 (en) | 2014-10-22 | 2016-05-10 | Koch Membrane Systems, Inc. | Membrane module system with bundle enclosures and pulsed aeration and method of operation |
| CN105879692A (en) * | 2016-04-28 | 2016-08-24 | 佘宏栓 | Turbulence-method vertical offline reverse osmosis membrane cleaning system and method |
| USD779632S1 (en) | 2015-08-10 | 2017-02-21 | Koch Membrane Systems, Inc. | Bundle body |
| JPWO2015041263A1 (en) * | 2013-09-17 | 2017-03-02 | 東レ株式会社 | Separation membrane module and operation method, separation membrane element, thrust load holding member, thrust load adjustment holding member |
| CN106975361A (en) * | 2017-04-14 | 2017-07-25 | 广东创源节能环保有限公司 | A kind of vertical rolled film vibrative filter |
| CN108771969A (en) * | 2018-06-12 | 2018-11-09 | 合肥丰洁生物科技有限公司 | One kind prevents from blocking membrane separation device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101087641A (en) * | 2004-12-22 | 2007-12-12 | 德雷塞尔有限公司 | The separation of solid particles from the liquid in which they are dispersed |
| CN201719983U (en) * | 2010-07-16 | 2011-01-26 | 国家海洋局天津海水淡化与综合利用研究所 | Rolling type film contactor |
| CN202078860U (en) * | 2011-03-31 | 2011-12-21 | 江门市创源水处理科技有限公司 | Vertical roll type membrane filtering device |
-
2011
- 2011-03-31 CN CN 201110079456 patent/CN102179179B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101087641A (en) * | 2004-12-22 | 2007-12-12 | 德雷塞尔有限公司 | The separation of solid particles from the liquid in which they are dispersed |
| CN201719983U (en) * | 2010-07-16 | 2011-01-26 | 国家海洋局天津海水淡化与综合利用研究所 | Rolling type film contactor |
| CN202078860U (en) * | 2011-03-31 | 2011-12-21 | 江门市创源水处理科技有限公司 | Vertical roll type membrane filtering device |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2015041263A1 (en) * | 2013-09-17 | 2017-03-02 | 東レ株式会社 | Separation membrane module and operation method, separation membrane element, thrust load holding member, thrust load adjustment holding member |
| US9333464B1 (en) | 2014-10-22 | 2016-05-10 | Koch Membrane Systems, Inc. | Membrane module system with bundle enclosures and pulsed aeration and method of operation |
| US9956530B2 (en) | 2014-10-22 | 2018-05-01 | Koch Membrane Systems, Inc. | Membrane module system with bundle enclosures and pulsed aeration and method of operation |
| US10702831B2 (en) | 2014-10-22 | 2020-07-07 | Koch Separation Solutions, Inc. | Membrane module system with bundle enclosures and pulsed aeration and method of operation |
| USD779632S1 (en) | 2015-08-10 | 2017-02-21 | Koch Membrane Systems, Inc. | Bundle body |
| USD779631S1 (en) | 2015-08-10 | 2017-02-21 | Koch Membrane Systems, Inc. | Gasification device |
| CN105536542A (en) * | 2015-12-14 | 2016-05-04 | 广东创源节能环保有限公司 | Gas-ejecting self-cleaning type roll membrane filtration apparatus and gas permeation rate detection method using filtration apparatus |
| CN105536543A (en) * | 2015-12-14 | 2016-05-04 | 广东创源节能环保有限公司 | Vibrating and vertical type spiral-wound membrane filtration device |
| CN105879692A (en) * | 2016-04-28 | 2016-08-24 | 佘宏栓 | Turbulence-method vertical offline reverse osmosis membrane cleaning system and method |
| CN106975361A (en) * | 2017-04-14 | 2017-07-25 | 广东创源节能环保有限公司 | A kind of vertical rolled film vibrative filter |
| CN108771969A (en) * | 2018-06-12 | 2018-11-09 | 合肥丰洁生物科技有限公司 | One kind prevents from blocking membrane separation device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102179179B (en) | 2013-09-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102179179B (en) | Vertical roll membrane filtering device and cleaning method thereof | |
| CN200987952Y (en) | Pure water machine capable of recovering concentrated water | |
| CN202070291U (en) | Online cleaning device for ceramic membranes | |
| CN202078860U (en) | Vertical roll type membrane filtering device | |
| CN205495354U (en) | Vibrating milipore filter processing apparatus | |
| CN208493431U (en) | Mixing wastewater with air backwash automatic cleaning lamination filter | |
| CN113753982A (en) | Oil-water separation and purification device for catering and purification method thereof | |
| CN102923842B (en) | Aerated biological filtration tank | |
| CN207356646U (en) | A kind of skid-mounted type integrated oil field filtering oily sewage tank filtering material cleaning device | |
| CN202924819U (en) | Aeration biological filter tank | |
| CN105420989B (en) | Washing machine and control method of washing machine with circulating water filtering system | |
| CN216420498U (en) | Recoverable pulse resonance cleaning device for oil conveying pipeline | |
| CN102399685A (en) | Finished product residual liquid recoverable post-extraction production line of enzyme preparation fermentation liquid | |
| CN101524624A (en) | Gas drive membrane separation method and membrane separation device | |
| JP4853683B2 (en) | Treated water reuse system using discharge head | |
| CN204550172U (en) | A kind of pH regulator that utilizes improves the system reclaiming waste emulsion ultrafiltration efficiency | |
| CN201023029Y (en) | External pressure pipe type hollow fiber filtering device | |
| CN209940634U (en) | Water dispenser capable of automatically flushing | |
| CN202143819U (en) | Plate and tube type membrane filter for industrial grinding waste mortars | |
| CN202638280U (en) | Oblique roll type membrane filtering device | |
| CN204911249U (en) | A submergence formula ultrafiltration system for preparing normal water | |
| CN206519045U (en) | A kind of roll-to-roll ultrafiltration film filter | |
| CN213853910U (en) | Hand formula milipore filter filtration equipment | |
| CN212315754U (en) | Reverse osmosis raw water treatment device for food additive processing | |
| CN201182929Y (en) | Integral environment friendly energy conservation filter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 529000 Guangdong province Jiangmen Jianghai Ca Mau Road No. 1 building two unit Macau Ferry Terminal (self 1A room) Applicant after: Jiangmen Chuanyuan Environment Technology Co., Ltd. Address before: 529000 Guangdong province Jiangmen City Jianghai District Beijiao Pingle No. 150 C4 Applicant before: Jiangmen Chuanyuan Water Treatment Technology Co., Ltd. |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: JIANGMEN CHUANYUAN WATER TREATMENT TECHNOLOGY CO., LTD. TO: INNO ENVIRONMENTAL SCI-TECH LTD. |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: GUANGDONG CHUANGYUAN ENERGY POTECTION CO., LTD. Free format text: FORMER NAME: INNO ENVIRONMENTAL SCI-TECH LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 529000 Guangdong province Jiangmen Jianghai Ca Mau Road No. 1 building two unit Macau Ferry Terminal (self 1A room) Patentee after: GUANGDONG CHUANGYUAN ENERGY SAVING ENVIRONMENTAL PROTECTION CO., LTD. Address before: 529000 Guangdong province Jiangmen Jianghai Ca Mau Road No. 1 building two unit Macau Ferry Terminal (self 1A room) Patentee before: Jiangmen Chuanyuan Environment Technology Co., Ltd. |