CN110118510A - A kind of sticky dust removing equipment of Round fin - Google Patents
A kind of sticky dust removing equipment of Round fin Download PDFInfo
- Publication number
- CN110118510A CN110118510A CN201910230057.3A CN201910230057A CN110118510A CN 110118510 A CN110118510 A CN 110118510A CN 201910230057 A CN201910230057 A CN 201910230057A CN 110118510 A CN110118510 A CN 110118510A
- Authority
- CN
- China
- Prior art keywords
- scraping
- ring
- ing
- shift
- bar
- 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
- 239000000428 dust Substances 0.000 title claims abstract description 26
- 238000007790 scraping Methods 0.000 claims abstract description 75
- 238000012937 correction Methods 0.000 claims description 14
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 239000007787 solid Substances 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 description 6
- 239000002956 ash Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000003546 flue gas Substances 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 238000013517 stratification Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000010779 crude oil Substances 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 2
- 229910052720 vanadium Inorganic materials 0.000 description 2
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- IVAOQJNBYYIDSI-UHFFFAOYSA-N [O].[Na] Chemical compound [O].[Na] IVAOQJNBYYIDSI-UHFFFAOYSA-N 0.000 description 1
- 230000003416 augmentation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G15/00—Details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G3/00—Rotary appliances
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cleaning In General (AREA)
Abstract
The invention discloses a kind of sticky dusts of Round fin to remove equipment, its structure includes scraping shift(ing) ring, scrape bar, telescopic rod, hook, drive converter, small machine, driving converter is cylindrical structure and one of end face middle is equipped with small machine, driving another end face of converter is connected by more than two scraping bars with scraping shift(ing) ring, scraping bar is evenly distributed on scraping shift(ing) ring, drive converter that hook is installed close to the side at that end of small machine, the inner wall for scraping shift(ing) ring is equipped with scraping bar, scrape bar and the scraping oblique threaded connection of shift(ing) ring, scraping bar end is equal with the width of the thread groove of Round fin, the present invention scrapes shift(ing) ring, scrape the common cooperation such as bar, promote to scrape shift(ing) ring rotary motion using small machine, the sponge outer ring for scraping bar is constantly clear around the thread groove of Round fin Except sticky dust, clear up more thorough.
Description
Technical field
The present invention relates to finned heat exchanger viscosity dusts to remove field, particularly with regard to a kind of viscosity of Round fin
Dust removes equipment.
Background technique
Finned heat exchanger is to install fin additional on common base tube to achieve the purpose that augmentation of heat transfer, the fin after installation
While increasing heat exchange area, it is also easy dust stratification, if the ash of product is diversity, is easy to disperse, but is refining crude oil
When flue gas heat removal process in, the metallic element contained in Xia Shi fuel oil especially vanadium and the sodium oxygen that generates in burning
Compound can interact to form the compound of low melting point, and compound is in a liquid state, is sticky high in this, as flue gas emission recycles heat
Viscous ash deposit is generated during amount, can also constantly be adhered to other ash contents (such as other metal oxides) and be dissociated carbon particle and other
Low-melting compound drop causes constantly thicken dust stratification in the Round fin thread groove of finned heat exchanger, influences to exchange heat
Effect.
Summary of the invention
In view of the deficiencies of the prior art, the present invention is to realize by the following technical solutions: a kind of Round fin it is viscous
Property dust remove equipment, structure include scraping shift(ing) ring, scraping bar, telescopic rod, hook, driving converter, small machine, it is described
Driving converter is that cylindrical structure and one of end face middle are equipped with small machine, the driving converter another
End face is connected by more than two scraping bars with scraping shift(ing) ring, and the scraping bar is evenly distributed on scraping shift(ing) ring, institute
It states driving converter and hook is installed close to the side at that end of small machine, the inner wall of the scraping shift(ing) ring is equipped with scraping bar, institute
Scraping bar and the scraping oblique threaded connection of shift(ing) ring are stated, scraping bar end is equal with the width of the thread groove of Round fin, when
Scraping bar end is bonded completely with the thread groove of Round fin, scrapes the sticky dust on Round fin comprehensively.
As advanced optimizing for the technical program, the driving converter mainly includes correction gasket, round scraping blade, outer
Shell, cushioning piece, conversion head all constitute a card slots by two pieces of round scraping blades on the shell upper and lower ends inner wall, and two
The width of card slot is equal with correction gasket, cushioning piece respectively, and the shell upper and lower ends inner wall is installed with strong by card slot
Positive gasket, cushioning piece, the conversion head are set in shell and contact with correction gasket, cushioning piece, and the conversion head is wherein
One end face and the linking of small machine output shaft are fixed, another end face is then uniformly fixed with four telescopic rods, the telescopic rod end
End is fixed on scraping shift(ing) ring after correction gasket.
As advanced optimizing for the technical program, the scraping bar is made of mounting head, loop bar, sponge outer ring, described
Loop bar head end is installed with mounting head, the mounting head and scraping shift(ing) ring inner wall using being threadedly coupled, and the loop bar end is arc
Shape and it is set with sponge outer ring, cambered design can be avoided when scraping sticky backhaul loop bar end around during wiping Round fin
Sponge outer ring is punctured, causes sponge outer ring damaged.
Elasticity gold as advanced optimizing for the technical program, in the main spongy layer in sponge outer ring embedded with hook solid
Belong to silk, when cleaning sticky dust, increases the strength that spongy layer wipes sticky dust to a certain extent, raising understands effect.
Beneficial effect
A kind of sticky dust of Round fin of the present invention is removed equipment and is had the advantage that compared with prior art
1. the common cooperations such as present invention scraping shift(ing) ring, driving converter, small machine pass through driving conversion using small machine
Device drives four telescopic rods to stablize promotion scraping shift(ing) ring and is rotated around Round fin, along the screw thread of Round fin
Groove is cleared up.
2. the design of present invention correction gasket prevents from stretching when driving converter that four telescopic rods is driven to rotate synchronously
Bar and shell direct friction, interference telescopic rod generate while flexible and cause noise.
3. present invention scraping bar and scraping shift(ing) ring cooperate jointly, scraping bar is driven using scraping shift(ing) ring rotary motion
The sticky dust in Round fin is removed in sponge outer ring, while increasing sponge outer ring hardness using elastic metallic yarn, improves clear
Clean dynamics.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon:
Fig. 1 is the schematic perspective view that a kind of sticky dust of Round fin of the present invention removes equipment.
Fig. 2 is the sectional schematic diagram of present invention driving converter.
Fig. 3 is the structural decomposition diagram of present invention driving converter.
Fig. 4 is the schematic diagram of the section structure of present invention scraping shift(ing) ring.
Fig. 5 is the schematic diagram of the section structure of present invention scraping bar.
In figure: scraping shift(ing) ring 1, scraping bar 2, telescopic rod 3, hook 4, driving converter 5, small machine 6, Round fin 7,
Correct gasket 51, round scraping blade 52, shell 53, cushioning piece 54, conversion head 55, mounting head 21, loop bar 22, sponge outer ring 23.
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below with reference to
Specific embodiment and Detailed description of the invention, the preferred embodiment that the present invention is further explained.
Embodiment
Fig. 1-Fig. 5 is please referred to, the sticky dust that the present invention provides a kind of Round fin removes equipment, and structure includes scraping
Shift(ing) ring 1, scraping bar 2, telescopic rod 3, hook 4, driving converter 5, small machine 6, the driving converter 5 are cylindrical structure
And one of end face middle is equipped with small machine 6, and described 5 another end face of driving converter is scraped by more than two
Bar 2 and scraping shift(ing) ring 1 is taken to connect, the scraping bar 2 is evenly distributed on scraping shift(ing) ring 1, and the driving converter 5 is close
The side at 6 that end of small machine is equipped with hook 4, and the inner wall of the scraping shift(ing) ring 1 is equipped with scraping bar 2, the scraping bar 2 with scrape
The oblique threaded connection of shift(ing) ring 1 is taken, scraping 2 end of bar is equal with the width of the thread groove of Round fin 7, when 2 end of scraping bar
End is bonded completely with the thread groove of Round fin 7, scrapes the sticky dust on Round fin 7 comprehensively.
The driving converter 5 mainly includes correction gasket 51, round scraping blade 52, shell 53, cushioning piece 54, conversion head
55, a card slots, the width point of two card slots all are constituted by two pieces of round scraping blades 52 on the 53 upper and lower ends inner wall of shell
It is not equal with correction gasket 51, cushioning piece 54, the 53 upper and lower ends inner wall of shell is installed with correction gasket by card slot
51, cushioning piece 54, the conversion head 55 are set in shell 53 and contact with correction gasket 51, cushioning piece 54, the conversion
First 55 one of end face and the linking of 6 output shaft of small machine are fixed, another end face is then uniformly fixed with four telescopic rods 3, institute
3 end of telescopic rod is stated to be fixed on after correction gasket 51 on scraping shift(ing) ring 1.
The scraping bar 2 is made of mounting head 21, loop bar 22, sponge outer ring 23, and 22 head end of loop bar is installed with installation
First 21, using being threadedly coupled, 22 end of loop bar is arc and is set with sea for the mounting head 21 and scraping 1 inner wall of shift(ing) ring
Continuous outer ring 23, cambered design can be avoided when scraping sticky backhaul 22 end of loop bar around puncturing sea during wiping Round fin 7
Continuous outer ring 23 causes sponge outer ring 23 damaged.
The elastic metallic yarn of hook solid is embedded in the main spongy layer in the sponge outer ring 23, when cleaning sticky dust,
Increase the strength that spongy layer wipes sticky dust to a certain extent, raising understands effect.
Under unused state, telescopic rod 3 is in shortest distance, and the Round fin 7 cleaned will be needed to be placed on scraping
1 middle of shift(ing) ring, and the thread groove that bar 2 is directed at Round fin 7 is scraped, small machine 6 is powered, and output shaft drives conversion head 55
Rotation directly drives four telescopic rods 3 to stretch simultaneously, and corrects gasket 51 and erect four telescopic rods 3 in shell 53, prevents
Only telescopic rod 3 and the friction of shell 53 generate and cause noise, steadily will be outside scraping 1 spiral of shift(ing) ring while telescopic rod 3 extends
It pushes away, scraping bar 2 is moved along the thread groove of Round fin 7, and sponge outer ring 23 comes into full contact with thread groove, elastic metallic yarn
It is contacted with sticky dust, enhances scraping dynamics, improve cleaning effect, 6 backwards rotation of small machine can drive scraping shift(ing) ring 1
It resets, reversely removes scraping bar 2, replace sponge outer ring 23.
Problems solved by the invention is contained in Xia Shi fuel oil in the flue gas heat removal process when refining crude oil
The oxide that metallic element especially vanadium and sodium are generated in burning can interact to form the compound of low melting point, chemical combination in this
Object is in a liquid state, viscosity is high, generates viscous ash deposit during recycling heat with flue gas emission, can also constantly adhere to other ashes
Divide such as free carbon particle of other metal oxides and other low-melting compound drops, can constantly thicken dust stratification, cause finned
Dust stratification can be constantly thickened in the Round fin thread groove of heat exchanger, influences heat transfer effect, the present invention is mutual by above-mentioned component
It is combined, the present invention scrapes the common cooperations such as shift(ing) ring 1, scraping bar 2, promotes to scrape the rotation fortune of shift(ing) ring 1 using small machine 6
Dynamic, sticky dust is constantly removed around the thread groove of Round fin 7 in the sponge outer ring 23 for scraping bar 2, clears up more thorough.
The basic principles, main features and advantages of the present invention have been shown and described above, the technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention can not only be realized in other specific forms under the premise of not departing from spirit of that invention or essential characteristic
The present invention will also have various changes and improvements, these changes and improvements both fall within scope of the claimed invention, therefore this hair
Bright claimed range is defined by appended claims and its equivalent, rather than above description limits.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (5)
1. a kind of sticky dust of Round fin removes equipment, it is characterised in that: its structure includes scraping shift(ing) ring (1), scraping
Bar (2), telescopic rod (3), hook (4), driving converter (5), small machine (6), the driving converter (5) are cylindrical structure
And one of end face middle is equipped with small machine (6), and described another end face of driving converter (5) passes through two or more
Scraping bar (2) and scraping shift(ing) ring (1) connection, the scraping bar (2) be evenly distributed on scrapes shift(ing) ring (1) on, the drive
Turn parallel operation (5) is equipped with hook (4) close to the side at small machine (6) that end, and the inner wall of scraping shift(ing) ring (1), which is equipped with, to be scraped
Take bar (2).
2. a kind of sticky dust of Round fin according to claim 1 removes equipment, it is characterised in that: the scraping bar
(2) end is equal with the width of the thread groove of Round fin (7).
3. a kind of sticky dust of Round fin according to claim 1 removes equipment, it is characterised in that: the driving turns
Parallel operation (5) mainly includes correction gasket (51), round scraping blade (52), shell (53), cushioning piece (54), conversion head (55), institute
It states on shell (53) upper and lower ends inner wall and all to constitute a card slots by two pieces of round scraping blades (52), the shell (53) up and down two
End inner wall is installed with correction gasket (51), cushioning piece (54) by card slot, and the conversion head (55) is set in shell (53) simultaneously
Contact with correction gasket (51), cushioning piece (54), the one of end face of the conversion head (55) and small machine (6) output shaft are held in the mouth
Fixation is connect, another end face is then uniformly fixed with four telescopic rods (3), and telescopic rod (3) end is through correction gasket (51)
After be fixed on scraping shift(ing) ring (1) on.
4. a kind of sticky dust of Round fin according to claim 1 removes equipment, it is characterised in that: the scraping bar
(2) it is made of mounting head (21), loop bar (22), sponge outer ring (23), loop bar (22) head end is installed with mounting head (21), institute
Mounting head (21) and scraping shift(ing) ring (1) inner wall are stated using being threadedly coupled, loop bar (22) end is arc and is set with sea
Continuous outer ring (23).
5. a kind of sticky dust of Round fin according to claim 4 removes equipment, it is characterised in that: outside the sponge
Enclosing (23) is the internal poroid spongy layer structure for being embedded with hook solid elastic metallic yarn.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910230057.3A CN110118510B (en) | 2019-03-26 | 2019-03-26 | Viscous dust removing equipment with round fins |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910230057.3A CN110118510B (en) | 2019-03-26 | 2019-03-26 | Viscous dust removing equipment with round fins |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110118510A true CN110118510A (en) | 2019-08-13 |
| CN110118510B CN110118510B (en) | 2020-08-04 |
Family
ID=67520670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910230057.3A Active CN110118510B (en) | 2019-03-26 | 2019-03-26 | Viscous dust removing equipment with round fins |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110118510B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113083849A (en) * | 2021-03-25 | 2021-07-09 | 赣州晨光稀土新材料有限公司 | Scraping type waste electrolytic graphite product anode surface molten salt recovery device and implementation method thereof |
| CN113211238A (en) * | 2021-05-29 | 2021-08-06 | 芜湖艾蔓设备工程有限公司 | Automatic grinding device for automobile ball pin |
| CN113551554A (en) * | 2021-07-27 | 2021-10-26 | 王永刚 | Automatic cleaning device for air cooling island radiating fins |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB783559A (en) * | 1955-04-06 | 1957-09-25 | British Oxygen Co Ltd | Improvements in or relating to the removal of combustible waste deposits from the internal surface of a metal tube, conduit or the like |
| JPH0760215A (en) * | 1993-08-23 | 1995-03-07 | Ichiba Toshiko | Cleaning apparatus and method |
| JP2785145B2 (en) * | 1990-01-26 | 1998-08-13 | 旭エンジニアリング株式会社 | Viscous body scraping device |
| CN104807026A (en) * | 2015-05-05 | 2015-07-29 | 顾志龙 | Mechanical soot blower as well as heat exchange system and using method thereof |
| CN205765234U (en) * | 2016-05-27 | 2016-12-07 | 南昌市赣工机械有限公司 | A kind of can the effective rig of dust in cleaning hole |
| CN107625500A (en) * | 2017-11-03 | 2018-01-26 | 洪学金 | A kind of civil engineering cleaning metope residue device |
| CN207741421U (en) * | 2017-12-21 | 2018-08-17 | 李泽 | A kind of device of automated cleaning condenser fin |
| CN108815930A (en) * | 2018-06-25 | 2018-11-16 | 孙载位 | A kind of stickiness deposition flue dust transmission equipment based on factory's exhaust |
-
2019
- 2019-03-26 CN CN201910230057.3A patent/CN110118510B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB783559A (en) * | 1955-04-06 | 1957-09-25 | British Oxygen Co Ltd | Improvements in or relating to the removal of combustible waste deposits from the internal surface of a metal tube, conduit or the like |
| JP2785145B2 (en) * | 1990-01-26 | 1998-08-13 | 旭エンジニアリング株式会社 | Viscous body scraping device |
| JPH0760215A (en) * | 1993-08-23 | 1995-03-07 | Ichiba Toshiko | Cleaning apparatus and method |
| CN104807026A (en) * | 2015-05-05 | 2015-07-29 | 顾志龙 | Mechanical soot blower as well as heat exchange system and using method thereof |
| CN205765234U (en) * | 2016-05-27 | 2016-12-07 | 南昌市赣工机械有限公司 | A kind of can the effective rig of dust in cleaning hole |
| CN107625500A (en) * | 2017-11-03 | 2018-01-26 | 洪学金 | A kind of civil engineering cleaning metope residue device |
| CN207741421U (en) * | 2017-12-21 | 2018-08-17 | 李泽 | A kind of device of automated cleaning condenser fin |
| CN108815930A (en) * | 2018-06-25 | 2018-11-16 | 孙载位 | A kind of stickiness deposition flue dust transmission equipment based on factory's exhaust |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113083849A (en) * | 2021-03-25 | 2021-07-09 | 赣州晨光稀土新材料有限公司 | Scraping type waste electrolytic graphite product anode surface molten salt recovery device and implementation method thereof |
| CN113211238A (en) * | 2021-05-29 | 2021-08-06 | 芜湖艾蔓设备工程有限公司 | Automatic grinding device for automobile ball pin |
| CN113211238B (en) * | 2021-05-29 | 2023-09-01 | 芜湖艾蔓设备工程有限公司 | Automatic grinding device for automobile ball pin |
| CN113551554A (en) * | 2021-07-27 | 2021-10-26 | 王永刚 | Automatic cleaning device for air cooling island radiating fins |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110118510B (en) | 2020-08-04 |
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Effective date of registration: 20200615 Address after: 312030 No.72, xihuafan, Qianfan village, Anchang street, Keqiao District, Shaoxing City, Zhejiang Province Applicant after: Shaoxing Lanhai Environmental Protection Technology Co.,Ltd. Address before: 100085 Environmental Technology Building, Eco-environment Research Center, Chinese Academy of Sciences, 18 Shuangqing Road, Haidian District, Beijing Applicant before: He Junjian |
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Effective date of registration: 20210526 Address after: 214000 15 Shuangxin Park, Taihu Town, Binhu District, Wuxi City, Jiangsu Province Patentee after: Wuxi Beixi air conditioning equipment Co.,Ltd. Address before: 312030 No.72 xihuafan, Qianfan village, Anchang street, Keqiao District, Shaoxing City, Zhejiang Province Patentee before: Shaoxing Lanhai Environmental Protection Technology Co.,Ltd. |