CN101229459A - Horizontal ultrafine powder filtering, washing and drying press integrated machine - Google Patents
Horizontal ultrafine powder filtering, washing and drying press integrated machine Download PDFInfo
- Publication number
- CN101229459A CN101229459A CNA2007101817363A CN200710181736A CN101229459A CN 101229459 A CN101229459 A CN 101229459A CN A2007101817363 A CNA2007101817363 A CN A2007101817363A CN 200710181736 A CN200710181736 A CN 200710181736A CN 101229459 A CN101229459 A CN 101229459A
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- Prior art keywords
- body frame
- cylindrical shell
- washing
- filter
- integrated machine
- 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
- 238000001914 filtration Methods 0.000 title claims abstract description 30
- 239000000843 powder Substances 0.000 title claims abstract description 26
- 238000005406 washing Methods 0.000 title claims description 22
- 238000001035 drying Methods 0.000 title claims description 17
- 239000007788 liquid Substances 0.000 claims abstract description 40
- 230000007246 mechanism Effects 0.000 claims abstract description 33
- 239000000706 filtrate Substances 0.000 claims abstract description 25
- 239000007921 spray Substances 0.000 claims abstract description 17
- 238000007789 sealing Methods 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 9
- 230000008676 import Effects 0.000 claims description 7
- 230000000295 complement effect Effects 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 125000006850 spacer group Chemical group 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000004140 cleaning Methods 0.000 abstract description 2
- 230000008929 regeneration Effects 0.000 description 11
- 238000011069 regeneration method Methods 0.000 description 11
- 239000000463 material Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- 230000006837 decompression Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 239000012065 filter cake Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910021503 Cobalt(II) hydroxide Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 1
- 229910021502 aluminium hydroxide Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- MULYSYXKGICWJF-UHFFFAOYSA-L cobalt(2+);oxalate Chemical compound [Co+2].[O-]C(=O)C([O-])=O MULYSYXKGICWJF-UHFFFAOYSA-L 0.000 description 1
- ASKVAEGIVYSGNY-UHFFFAOYSA-L cobalt(ii) hydroxide Chemical compound [OH-].[OH-].[Co+2] ASKVAEGIVYSGNY-UHFFFAOYSA-L 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- -1 magnetic Chemical compound 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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Abstract
The invention relates to a horizontal superfine powder filtering, cleaning and compressing dry machine, which consists of a tube body, a filtering mechanism arranged at the upper part of the tube body and a feed inlet, a upper filtrate outlet, a lower filtrate outlet, a vent and a spray liquid inlet which are matched with the machine. The tube body is horizontally arranged on a guide and is in moving conjunction with the guide; one end of the guide opposite to the opening of the tube body is fixedly provided with a tubular body bracket which is provided with a rotational lower filtering plate, and the rotational lower filtering plate is communicated with the lower filtrate outlet arranged on the body bracket; the tube body and the body bracket are in sealing matching through a catch hoop mechanism and the lower filtering plate is arranged under the filtering mechanism. The invention has the advantages of much higher productivity, more convenient installment, operation and maintenance, being convenient for industrial automation control realization and greatly reducing labor strength.
Description
Technical field
The present invention relates to a kind of powder filter, relate in particular to a kind of horizontal ultrafine powder filtering, washing and drying press integrated machine.
Background technology
Development along with high technology industry, the new material development and application more and more highlights its importance, especially the development of electronics, information and new forms of energy all must rely on new material be the basis, submicron particle is a very important class, it is of a great variety, as copper powder, nickel powder, magnetic, aluminium hydroxide, cobalt hydroxide, cobalt oxalate, cobalt acid lithium etc., it is superfine that submicron particle has granularity, the high characteristics of preparation purity requirement, its particle overwhelming majority but also has the nanometer grade powder of significant proportion 0.3 μ m more than 1 μ m.And in technical process such as the preparation modification of superfine powder, purifying, often will powder be filtered, wash and press dry, the quality of filtering technique and device will directly influence quality, the rate of recovery and the production cost of product.The patent No. is ZL200510056166.6, denomination of invention discloses a kind of filtration of superfine powder for the patent of invention of " filtration and the washing process of preparation metal or nonmetal fine granular powder ", wash and press dry technology, the structure of a kind of vertical filtering, washing and drying press integrated machine (precise microporous filter) and supporting auxiliary equipment thereof are also disclosed simultaneously, this machine is at barrel diameter during greater than φ 1600mm, because the increase of equipment bottom diameter, overhead the also corresponding increase of height after making bottom open, surpass the safety operation height, increased regular maintenance (operation, maintenance etc.) difficulty, the platform design, the equipment installation in position is also more complicated.Like this, the production capacity of this machine is restricted, and can not satisfy the production-scale requirement that powder manufactory constantly enlarges.
Summary of the invention
Technical problem to be solved by this invention is to overcome the deficiencies in the prior art, provide a kind of production capacity higher, install, operation, safeguard more easy horizontal ultrafine powder filtering, washing and drying press integrated machine.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: horizontal ultrafine powder filtering, washing and drying press integrated machine, comprise cylindrical shell, be arranged on the top filter mechanism in the cylindrical shell, and the charging aperture that is complementary, the top filtrate (liquid, the bottom filtrate (liquid, drain, the spray liquid import, cylindrical shell crouches to put and is arranged on the guide rail, move with guide rail and to cooperate, end in the relative cartridge openings of guide rail fixedly installs a tubular body frame, in the body frame, be provided with rotating bottom filter, the bottom filter is communicated with bottom filtrate (liquid on being arranged on the body frame, cylindrical shell and body frame are sealed and matched by clip mechanism, the bottom filter place the top filter mechanism below.
The invention has the beneficial effects as follows: be arranged on the guide rail because cylindrical shell crouches to put, but straight line moves on guide rail, in the body frame, be provided with rotating bottom filter, when mobile cylindrical shell cooperates with body frame combination seal, technical process such as can filter, wash, press dry, after the end, remove cylindrical shell, the bottom filter promptly can be turned to suitable angle the finished product powder is unloaded down, and the present invention has installation, operation, advantage easy to maintenance.The vertical all-in-one identical with barrel diameter compared, and the filter area of bottom filter is bigger, and in addition, it is bigger that the diameter of putting cylindrical shell for sleeping in also can be done, and therefore, the present invention also has the higher advantage of production capacity.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention 1;
Fig. 2 is that the A of Fig. 1 is to view;
Fig. 3 is that the B of Fig. 1 is to partial view;
The structure cutaway view of clip mechanism when Fig. 4 closes up for cylindrical shell and body frame;
Fig. 5 is the transmission mechanism schematic diagram of the embodiment of the invention 1;
Fig. 6 is the structural representation of the embodiment of the invention 2;
Fig. 7 is the transmission mechanism schematic diagram of the embodiment of the invention 2;
Fig. 8 is a process chart of the present invention.
The specific embodiment
The invention will be further described below in conjunction with drawings and Examples:
Shown in Fig. 1～5, horizontal ultrafine powder filtering, washing and drying press integrated machine for embodiment 1, as the monotubular all-in-one, comprise a cylindrical shell 1, be arranged on the top filter mechanism 4 in the cylindrical shell 1 and the charging aperture 13 that is complementary, top filtrate (liquid 11, bottom filtrate (liquid 12, drain 16, spray liquid import 10, cylindrical shell 1 crouches to put and is arranged on the guide rail 7, the bottom of cylindrical shell 1 is provided with electronic idler wheel mechanism 17 and moves as straight line with guide rail 7 and cooperate, also can be manual idler wheel mechanism or adopt other frame for movement, as sliding etc.End in guide rail 7 relative cartridge openings 18 fixedly installs a tubular body frame 9, in body frame 9, be provided with rotating bottom filter 6, bottom filter 6 is communicated with bottom filtrate (liquid 12 on being arranged on body frame 9, cylindrical shell 1 is sealed and matched by clip mechanism 5 with body frame 9, bottom filter 6 place top filter mechanism 4 below.Be provided with filter chamber 19 in the described bottom filter 6, one end of bottom filter 6 is fixedlyed connected with the turning cylinder 20 of hollow, turning cylinder 20 and body frame 9 axial restraints, radially flexible connection, turning cylinder 20 cooperates with rotating mechanism 14 transmissions, rotating mechanism 14 also can adopt handwheel to rotate by driven by servomotor.The filter chamber 19 of bottom filter 6 is communicated with the endoporus of turning cylinder 20, and the other end of the endoporus of turning cylinder 20 is shut with capping 8.Be arranged with the sleeve pipe 21 that cooperates with turning cylinder 20 rotary seals in the outside of turning cylinder 20, bottom filtrate (liquid 12 is communicated with the endoporus of turning cylinder 20 by sleeve pipe 21.Be provided with blowdown, advance acid discharge mouth 15 in body frame 9 bottoms, be used for blowdown, enter or discharge acid solution (chemical regeneration liquid).Described clip mechanism 5 is to be installed with shell flange 22 at cartridge openings 18 places, be arranged with and the radially movable side set clip 23 that cooperates of cylindrical shell 1 in the outside of shell flange 22, be installed with the side set flange 24 that is complementary with side set clip 23 at body frame 9 opening parts, between the outer face of the outer face of side set flange 24 and shell flange 22, be provided with sealing ring 25, realize being sealed and matched of cylindrical shell 1 and body frame 9.In order to make sealing effectiveness better, respectively be provided with one in the inboard of each tooth of the inner face of each tooth of side set flange 24 and side set clip 23 and carve iron 26, carve iron 26 and be provided with gradient along the circumferencial direction of side set flange 24, after side set clip 23 inserts side set flange 24, rotate side set clip 23 again, can make the cooperation between them more and more tighter.The outer peripheral face of described side set clip 23 is provided with worm gear tooth bar 27, cooperates do transmission with the worm screw that driven by transmission mechanism 37 28, and transmission mechanism 37 is driven by servomotor 38, also can adopt the handwheel rotation.Also be provided with spacer 29 at body frame 9 opening parts and cooperate, make side set clip 23 easier insertion side set flanges 24 with the interior circle work guiding of shell flange 22.Described top filtrate (liquid 11, spray liquid import 10 are arranged on the body frame 9, being provided with filtrate tube connector 31 and spray liquid tube connector 30 in body frame 9 vertically connects with top filtrate (liquid 11 and spray liquid import 10 respectively, corresponding with it, in cylindrical shell 1, be provided with comb 3 and be sealed and matched with filtrate tube connector 31 and spray liquid tube connector 30 respectively with the spray person in charge 2.As the monotubular all-in-one, the other end of filtrate tube connector 31 and spray liquid tube connector 30 is shut with filtrate plug 33 and spray liquid plug 32.The other end at body frame 9 is provided with end cover 34, end cover 34 also is to be sealed and matched by clip mechanism and body frame 9, purpose is after removing end cover 34, filtrate plug 33, spray liquid 32 and capping 8, the other end of body frame 9 can be sealed and matched with second cylindrical shell 35, can expand production capacity at double.
Described electronic idler wheel mechanism 17, rotating mechanism 14 and transmission mechanism 37 can be realized full automatic interlocking action system by control circuit, and be more convenient to operate, laborsaving, accurate.
Shown in Fig. 6～7, horizontal ultrafine powder filtering, washing and drying press integrated machine for embodiment 2, as bitubular all-in-one, be that the other end at body frame 9 is provided with structure and the cylindrical shell 1 second identical cylindrical shell 35 and is sealed and matched with body frame 9, second cylindrical shell 35 is arranged on second guide rail 36 axially and movably.Other structures are identical with the monotubular all-in-one, no longer repeat here.
As shown in Figure 8, be process chart of the present invention, in order further to understand the operation principle of horizontal ultrafine powder filtering, washing and drying press integrated machine, its flow process is described below:
1), filtration step:
Open atmospheric valve 39, the material that will contain superfine powder is pressed in the cylindrical shell 1 with material-handling pump 40, after liquid level (LT1) is gone up in material arrival, close atmospheric valve 39, entering top filter mechanism 4 filters, after treating that material is all sent in the filter plant in the batch can 41, close material-handling pump 40, be pressed into compressed air, continue to filter, after liquid level (LT2) in the material arrival by decompressor 42 decompression back 0.1-0.25Mpa, closing top filters, filter the beginning bottom, after material being depressed into down liquid level (LT3), stops to filter.
2), washing step:
Open atmospheric valve 39,, to feeding 0.6Mpa compressed air, screen pipe surface filter cake is unloaded to bottom filter 6, carry out the regeneration of " water-gas " blowback physics again, thoroughly the cleaning and filtering pipe in the screen pipe inner counter of top filter mechanism 4 with the equipment release.
Press the backwash of 0.1-0.25Mpa to wash hydraulic pressure on band and go in the cylindrical shell 1, when liquid level arrives certain value, close into water and atmospheric valve 39, the compressed air that is pressed into 0.1-0.25Mpa filters bottom filter 6, stops after pressing dry to a certain degree.Repeat above process several times, number of times is looked washing and is required to decide.
3), press dry step:
After carrying out last washing, after filter cake all pressed dry, with the surplus liquid emptying of non-filtering area trace or be back to batch can 41.
4), slag dumping step:
Utilize power or hand rotation side set clip 23 certain angles, side set clip 23 and side set flange 24 thrown off fully, with cylindrical shell 1 in axial withdrawal, after rotating bottom filter 6 certain angles, oppositely feed decompression back air, blowback, make filter cake and bottom filter 6 throw off, and unload.
5), regeneration step:
A, physics regeneration (but the provision for sealing or the equipment of opening carry out):
Feed earlier a certain amount of backwash water in screen pipe or in the filter chamber 19 of bottom filter 6, the compressed air that feeds certain pressure and flow again carries out the moment blowback, after blowback 2-3 time, can will be blocked in the filter medium top layer, even the plugging particle of deep layer blows out.Reach regeneration effect preferably.Before washing and after finishing each filter cycle, carry out.
B, chemical regeneration (only in equipment sealing back operation):
Opening device atmospheric valve 39 is opened chemical regeneration liquid delivery pump 43, and chemical regeneration hydraulic pressure is gone in the cylindrical shell 1 as for last liquid level LT1, close chemical regeneration liquid delivery pump 43, after filter medium soaked certain hour, close atmospheric valve 39, regenerated liquid is pushed back storage tank 44 with decompression back compressed air.And after carrying out physics regeneration, blowdown.This regeneration only adopts after resistance reaches certain value when filtering.
Claims (8)
1. horizontal ultrafine powder filtering, washing and drying press integrated machine, comprise cylindrical shell, be arranged on the top filter mechanism in the cylindrical shell, and the charging aperture that is complementary, the top filtrate (liquid, the bottom filtrate (liquid, drain, the spray liquid import, it is characterized in that: cylindrical shell crouches to put and is arranged on the guide rail, move with guide rail and to cooperate, end in the relative cartridge openings of guide rail fixedly installs a tubular body frame, in the body frame, be provided with rotating bottom filter, the bottom filter is communicated with bottom filtrate (liquid on being arranged on the body frame, cylindrical shell and body frame are sealed and matched by clip mechanism, the bottom filter place the top filter mechanism below.
2. horizontal ultrafine powder filtering, washing and drying press integrated machine according to claim 1, it is characterized in that: be provided with filter chamber in the filter of described bottom, one end of bottom filter is fixedlyed connected with the turning cylinder of hollow, turning cylinder and body frame axial restraint, radially flexible connection, turning cylinder cooperates with the rotating mechanism transmission, the filter chamber of bottom filter is communicated with the endoporus of turning cylinder, be arranged with the sleeve pipe that cooperates with the turning cylinder rotary seal in the outside of turning cylinder, the bottom filtrate (liquid is communicated with the endoporus of turning cylinder by sleeve pipe.
3. horizontal ultrafine powder filtering, washing and drying press integrated machine according to claim 1 and 2, it is characterized in that: described top filtrate (liquid, spray liquid import are arranged on the body frame, being provided with filtrate tube connector and spray liquid tube connector in the body frame vertically connects with top filtrate (liquid and spray liquid import respectively, corresponding with it, in cylindrical shell, be provided with comb and be sealed and matched with filtrate tube connector and spray liquid tube connector respectively with the spray person in charge.
4. horizontal ultrafine powder filtering, washing and drying press integrated machine according to claim 3, it is characterized in that: the other end of described body frame also is provided with structure second cylindrical shell identical with cylindrical shell and the body frame is sealed and matched, and second cylindrical shell is arranged on second guide rail axially and movably.
5. horizontal ultrafine powder filtering, washing and drying press integrated machine according to claim 1 and 2, it is characterized in that: described clip mechanism is installed with shell flange at the cartridge openings place, be arranged with and the radially movable side set clip that cooperates of cylindrical shell in the outside of shell flange, be installed with the side set flange that is complementary with the side set clip at body frame opening part, between the outer face of the outer face of side set flange and shell flange, be provided with sealing ring.
6. horizontal ultrafine powder filtering, washing and drying press integrated machine according to claim 5, it is characterized in that: the outer peripheral face of described side set clip is provided with the worm gear tooth bar, cooperate with the worm-drive that drives by transmission mechanism, also be provided with spacer at body frame opening part and cooperate with the interior circle work guiding of shell flange.
7. horizontal ultrafine powder filtering, washing and drying press integrated machine according to claim 3, it is characterized in that: described clip mechanism is installed with shell flange at the cartridge openings place, be arranged with and the radially movable side set clip that cooperates of cylindrical shell in the outside of shell flange, be installed with the side set flange that is complementary with the side set clip at body frame opening part, between the outer face of the outer face of side set flange and shell flange, be provided with sealing ring.
8. horizontal ultrafine powder filtering, washing and drying press integrated machine according to claim 1 and 2 is characterized in that: the bottom of described cylindrical shell is provided with electronic idler wheel mechanism and does mobile the cooperation with guide rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710181736A CN100574843C (en) | 2007-10-23 | 2007-10-23 | Horizontal ultrafine powder filtering, washing and drying press integrated machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710181736A CN100574843C (en) | 2007-10-23 | 2007-10-23 | Horizontal ultrafine powder filtering, washing and drying press integrated machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101229459A true CN101229459A (en) | 2008-07-30 |
| CN100574843C CN100574843C (en) | 2009-12-30 |
Family
ID=39896450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200710181736A Active CN100574843C (en) | 2007-10-23 | 2007-10-23 | Horizontal ultrafine powder filtering, washing and drying press integrated machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100574843C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102950279A (en) * | 2011-08-26 | 2013-03-06 | 深圳市格林美高新技术股份有限公司 | Superfine Ni-Co precipitate filtering and recycling method |
| CN103272431A (en) * | 2013-06-14 | 2013-09-04 | 浙江东瓯过滤机制造有限公司 | Grading powder press-drying device |
| CN107149802A (en) * | 2017-06-07 | 2017-09-12 | 威孔过滤科技（苏州）有限公司 | Horizontal efficient microporous filter |
-
2007
- 2007-10-23 CN CN200710181736A patent/CN100574843C/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102950279A (en) * | 2011-08-26 | 2013-03-06 | 深圳市格林美高新技术股份有限公司 | Superfine Ni-Co precipitate filtering and recycling method |
| CN102950279B (en) * | 2011-08-26 | 2014-12-31 | 深圳市格林美高新技术股份有限公司 | Superfine Ni-Co precipitate filtering and recycling method |
| CN103272431A (en) * | 2013-06-14 | 2013-09-04 | 浙江东瓯过滤机制造有限公司 | Grading powder press-drying device |
| CN103272431B (en) * | 2013-06-14 | 2015-08-12 | 浙江东瓯过滤机制造有限公司 | A kind of particle classifying press dry device |
| CN107149802A (en) * | 2017-06-07 | 2017-09-12 | 威孔过滤科技（苏州）有限公司 | Horizontal efficient microporous filter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100574843C (en) | 2009-12-30 |
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Owner name: ZHEJIANG DONG'OU FILTERING MACHINERY MANUFACTURING Effective date: 20120828 Owner name: SHANGHAI HONGLI PURIFYING TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: DONGOU MICROPOROUS FILTERING CO. LTD., WENZHOU CITY Effective date: 20120828 |
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Inventor after: Song Xianhong Inventor after: Song Zhiji Inventor after: Ruan Jianliang Inventor after: Song Zhili Inventor before: Song Xianhong Inventor before: Song Zhiji Inventor before: Ruan Jianliang |
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Free format text: CORRECT: INVENTOR; FROM: SONG XIANHONG SONG ZHIJI RUAN JIANLIANG TO: SONG XIANHONG SONG ZHIJI RUAN JIANLIANG SONG ZHILI Free format text: CORRECT: ADDRESS; FROM: 325003 WENZHOU, ZHEJIANG PROVINCE TO: 201799 QINGPU, SHANGHAI |
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Effective date of registration: 20120828 Address after: 201799, Shanghai District, Qingpu Park Road 99, Shun Pu building, 2 floor, I District, room 286 Patentee after: Shanghai Hongli Purification Technology Co., Ltd. Patentee after: Zhejiang Dongou Filter Manufacturing Co., Ltd. Address before: Yangfushan in Lucheng District of Wenzhou City, Zhejiang province 325003 Tu village industrial zone south Patentee before: Dongou Microporous Filtering Co., Ltd., Wenzhou City |
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Effective date of registration: 20210325 Address after: No.85-2, Shiniu Road, Shuige Industrial Park, Lishui City, Zhejiang Province 323000 Patentee after: ZHEJIANG DONGOU FILTER MANUFACTURING Co.,Ltd. Address before: Room 286, area I, 2nd floor, Shunpu building, 99 Gongyuan Road, Qingpu District, Shanghai, 201799 Patentee before: SHANGHAI HONGLI PURIFICATION TECHNOLOGY Co.,Ltd. Patentee before: ZHEJIANG DONGOU FILTER MANUFACTURING Co.,Ltd. |
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