CN109539577A - A kind of solar water heater with self-cleaning vacuum tube scale function - Google Patents
A kind of solar water heater with self-cleaning vacuum tube scale function Download PDFInfo
- Publication number
- CN109539577A CN109539577A CN201811374942.0A CN201811374942A CN109539577A CN 109539577 A CN109539577 A CN 109539577A CN 201811374942 A CN201811374942 A CN 201811374942A CN 109539577 A CN109539577 A CN 109539577A
- Authority
- CN
- China
- Prior art keywords
- vacuum tube
- wall
- ball
- screw
- extension airbag
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 33
- 238000004140 cleaning Methods 0.000 title claims abstract description 12
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000007789 sealing Methods 0.000 claims abstract description 4
- 239000002184 metal Substances 0.000 claims description 22
- 238000007790 scraping Methods 0.000 claims description 22
- 239000007788 liquid Substances 0.000 claims description 16
- 238000009835 boiling Methods 0.000 claims description 10
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 9
- 238000001704 evaporation Methods 0.000 claims description 9
- 230000008020 evaporation Effects 0.000 claims description 9
- 238000003860 storage Methods 0.000 claims description 6
- 239000000696 magnetic material Substances 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 239000011248 coating agent Substances 0.000 description 6
- 238000000576 coating method Methods 0.000 description 6
- 239000002775 capsule Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002309 gasification Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 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
- F28G3/00—Rotary appliances
- F28G3/10—Rotary appliances having scrapers, hammers, or cutters, e.g. rigidly mounted
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cleaning In General (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
The invention discloses a kind of solar water heaters with self-cleaning vacuum tube scale function, including water tank and pedestal and the vacuum tube being arranged between water tank and pedestal, horizontally disposed cylindrical cavity is offered in the pedestal, the lower end of each vacuum tube, which is run through, is equipped with ball-screw, the sealing rotation connection of the junction of the ball-screw and vacuum tube, the lower end of each ball-screw is fixedly connected to gear, the inner wall of the cylindrical cavity slidably connects the rack gear being meshed with gear, the pushing mechanism for pushing rack gear mobile is equipped in the cylindrical cavity, the pushing mechanism includes the first extension airbag being arranged in cylindrical cavity, the second extension airbag is equipped in first extension airbag.Present inventive concept is novel, can be removed to the scale of solar energy evacuated inside pipe wall, ensure that the heating efficiency and service life of solar energy vacuum tube.
Description
Technical field
The present invention relates to technical field of solar water heaters more particularly to a kind of with self-cleaning vacuum tube scale function
Solar water heater.
Background technique
Vacuum tube solar heating element is the disadvantage is that the heat absorbing coating and water in solar energy vacuum tube after a period of use
Between heat exchanger effectiveness substantially reduce.The reason is that the impurity in tap water, which becomes scale after being heated, accumulates in solar energy vacuum tube
Inner wall on, so when solar energy evacuated inside pipe wall scale accumulation to a certain extent after will reduce between heat absorbing coating and water
Heat exchanger effectiveness, heat absorbing coating when scale is too thick on solar energy vacuum tube is and long-term because heat cannot distribute outward in time
Under this condition of high temperature, heat absorbing coating will fall off, to affect the collecting efficiency and service life service life of vacuum tube.
Summary of the invention
The purpose of the present invention is to solve disadvantages existing in the prior art, and the one kind proposed has self-cleaning vacuum
The solar water heater of pipe scale function.
To achieve the goals above, present invention employs following technical solutions:
A kind of solar water heater with self-cleaning vacuum tube scale function, including water tank and pedestal and setting are in water
Vacuum tube between case and pedestal, offers horizontally disposed cylindrical cavity in the pedestal, under each vacuum tube
End is rotatablely connected through ball-screw, the junction sealing of the ball-screw and vacuum tube is equipped with, each ball-screw
Lower end be fixedly connected to gear, the inner wall of the cylindrical cavity slidably connects the rack gear being meshed with gear, in the cylindrical cavity
Equipped with the pushing mechanism for pushing rack gear mobile, the pushing mechanism includes the first extension airbag being arranged in cylindrical cavity, institute
It states and is equipped with the second extension airbag in the first extension airbag, composition one is close between first extension airbag and the second extension airbag
The annular liquid storage chamber of envelope, the interior low boiling point that is equipped with of the annular liquid storage chamber evaporate liquid, and the upper end of second extension airbag is by leading
Tracheae is connected to the exhaust outlet of water tank, and feed screw nut is equipped on the ball-screw, the beginning is slidably connected in the vacuum tube
It is fixedly connected on eventually by connector on the inner wall of metal scraping ring with the metal scraping ring of its inner wall joint, the feed screw nut,
The interior bottom of the vacuum tube is fixedly connected with the guide rod being arranged along the vertical direction, the guide rod through-connections, and with connection
Part is slidably connected.
Preferably, the ball-screw is made of magnetic material, and the inner wall of the metal scraping ring is offered along its circumferential direction
First annular slot slidably connects annular ring in the first annular slot, and the feed screw nut is fixedly connected on by connector
On the inner wall of annular ring, the collar wall of the metal scraping ring is circumferentially with the second annular groove along it, in second annular groove etc.
Spacing is equipped with multiple connecting columns, and the connecting column is connected on the inner wall of the second annular groove by spring, the connecting column
Side wall be fixedly connected with arc scraper plate, and the outer wall of arc scraper plate and the inner wall of vacuum tube offset.
Preferably, the end of the two neighboring arc scraper plate is equipped with mutually matched notch.
Preferably, the low boiling point evaporation liquid is methylene chloride.
The invention has the following advantages:
1, make low boiling point evaporate liquid evaporation by high-temperature vapor to become gas, make the first extension airbag and the second flexible gas
Capsule expansion, and then rack gear is pushed to move in cylindrical cavity, the mobile band moving gear of rack gear rotates, and gear rotation drives ball-screw to turn
Dynamic, ball screw turns drive feed screw nut mobile, and feed screw nut is mobile to drive metal scraping ring in vacuum tube by connector
Wall scale is purged；
2, the ball-screw made of magnetic material, metal scraping ring can be sucked in ball-screw, and ball-screw is rotating
While will drive metal scraping ring rotation, under the cooperation of feed screw nut and ball-screw, metal scraping ring can be rotated when moving up,
Clear up arc scraper plate to the scale of vacuum inside pipe wall, under the action of the spring arc scraper plate always with the inner wall of vacuum tube
It pushes against, the mode that the side Bian Xuanzhuan moves up keeps de-sludging more efficient；
3, arc scraper plate is in close contact with the inner wall of vacuum tube under the action of the spring, between vacuum inside pipe wall and arc scraper plate
Gasification forms bubble and fast moves to two sides water in gap rapidly under the action of heat absorbing coating, and then washes away vacuum inside pipe wall
Dirt, improve scale removal effect.
Detailed description of the invention
Fig. 1 is a kind of structural representation of the solar water heater with self-cleaning vacuum tube scale function proposed by the present invention
Figure；
Fig. 2 is structure enlargement diagram at the A in Fig. 1；
Fig. 3 is the structural schematic diagram of embodiment 2.
In figure: 1 pedestal, 2 vacuum tubes, 3 ball-screws, 4 water tanks, 5 gas-guide tubes, 6 second extension airbags, 7 first flexible gas
Capsule, 8 low boiling points evaporation liquid, 9 gears, 10 rack gears, 11 connectors, 12 feed screw nuts, 13 metal scraping rings, 14 guide rods, 15 annulars
Circle, 16 arc scraper plates, 17 springs, 18 connecting columns.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
In the description of the present invention, it is to be understood that, term " on ", "lower", "front", "rear", "left", "right", "top",
The orientation or positional relationship of the instructions such as "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, merely to just
In description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with
Specific orientation construction and operation, therefore be not considered as limiting the invention.
Referring to Fig.1-2, a kind of solar water heater with self-cleaning vacuum tube scale function, including water tank 4 and pedestal 1
And the vacuum tube 2 between water tank 4 and pedestal 1 is set, horizontally disposed cylindrical cavity, Mei Gezhen are offered in pedestal 1
The lower end of blank pipe 2, which is run through, is equipped with ball-screw 3, and the junction of ball-screw 3 and vacuum tube 2, which seals, to be rotatablely connected, each ball
The lower end of lead screw 3 is fixedly connected to gear 9, and the inner wall of cylindrical cavity slidably connects the rack gear 10 being meshed with gear 9, cylindrical cavity
The interior pushing mechanism being equipped with for pushing rack gear 10 mobile, pushing mechanism includes the first extension airbag 7 being arranged in cylindrical cavity, the
It is equipped with the second extension airbag 6 in one extension airbag 7, a sealing is constituted between the first extension airbag 7 and the second extension airbag 6
Annular liquid storage chamber, the interior low boiling point that is equipped with of annular liquid storage chamber evaporate liquid 8, and it is methylene chloride, the second extension airbag that low boiling point, which evaporates liquid 8,
6 upper end is connected to by gas-guide tube 5 with the exhaust outlet of water tank 4, and feed screw nut 12 is equipped on ball-screw 3, is slided in vacuum tube 2
Dynamic to be connected with the metal scraping ring 13 with its inner wall joint always, feed screw nut 12 is fixedly connected on metal by connector 11
On the inner wall of scraping ring 13, the interior bottom of vacuum tube 2 is fixedly connected with the guide rod 14 being arranged along the vertical direction, and guide rod 14 is through connection
Part 11, and be slidably connected with connector 11.
In the present embodiment, when the vapor in water tank 4 passes through gas-guide tube 5 and passes through the second extension airbag 6, high-temperature water steams
Gas makes the low boiling point evaporation evaporation of liquid 8 become gas, expands the first extension airbag 7 and the second extension airbag 6, and then push rack gear
10 move in cylindrical cavity, and the mobile band moving gear 9 of rack gear 10 rotates, and the rotation of gear 9 drives ball-screw 3 to rotate, and 3 turns of ball-screw
Dynamic to drive feed screw nut 12 mobile, feed screw nut 12 is mobile to drive metal scraping ring 13 to 2 inner wall water of vacuum tube by connector 11
Dirt is purged.
Embodiment 2
Referring to Fig. 3, unlike the first embodiment, ball-screw 3 is made of magnetic material, the inner wall of metal scraping ring 13
First annular slot is offered along its circumferential direction, annular ring 15 is slidably connected in first annular slot, feed screw nut 12 passes through connector
11 are fixedly connected on the inner wall of annular ring 15, and the collar wall of metal scraping ring 13 is circumferentially with the second annular groove, the second ring along it
Multiple connecting columns 18 are equidistantly equipped in shape slot, connecting column 18 passes through 17 elastic connection of spring on the inner wall of the second annular groove,
The side wall of connecting column 18 is fixedly connected with arc scraper plate 16, and the outer wall of arc scraper plate 16 and the inner wall of vacuum tube 2 offset, adjacent
The end of two arc scraper plates 16 is equipped with mutually matched notch.
In the present embodiment, since ball-screw 3 is made of magnetic material, metal scraping ring 13 can be sucked in ball-screw 3, rolling
Ballscrew 3 will drive metal scraping ring 13 while rotation and rotate, under the cooperation of feed screw nut 12 and ball-screw 3, metal
Scraping ring 13 can be rotated when moving up, and clear up arc scraper plate 16 to the scale of 2 inner wall of vacuum tube, under the action of spring 17
Arc scraper plate 16 is pushed against with the inner wall of vacuum tube 2 always, and the mode that the side Bian Xuanzhuan moves up keeps de-sludging more efficient.
The kinetic energy that the present invention generates the low boiling point evaporation evaporation of liquid 8 using the thermal energy that solar water heater exhaustion pipe generates
Metal scraping ring 13 is driven to act, other driving devices that no setting is required not only reduce the complicated degree of scale removal mechanism, together
When be also effectively reduced the consumption of the energy.
In addition, arc scraper plate 16 under the action of spring 17 with the inner wall of vacuum tube 2 be in close contact, 2 inner wall of vacuum tube with
Gasification forms bubble and fast moves to two sides, Jin Erchong water in 16 gap of arc scraper plate rapidly under the action of heat absorbing coating
The dirt of 2 inner wall of brush vacuum tube improves scale removal effect.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (4)
1. a kind of solar water heater with self-cleaning vacuum tube scale function, including water tank (4) and pedestal (1) and setting
Vacuum tube (2) between water tank (4) and pedestal (1), which is characterized in that offer in the pedestal (1) and set in the horizontal direction
The cylindrical cavity set, the lower end of each vacuum tube (2), which is run through, is equipped with ball-screw (3), the ball-screw (3) and vacuum tube
(2) junction seals rotation connection, and the lower end of each ball-screw (3) is fixedly connected to gear (9), the cylindrical cavity
Inner wall slidably connect the rack gear (10) being meshed with gear (9), be equipped in the cylindrical cavity for pushing rack gear (10) mobile
Pushing mechanism, the pushing mechanism includes the first extension airbag (7) being arranged in cylindrical cavity, first extension airbag (7)
It is inside equipped with the second extension airbag (6), a sealing is constituted between first extension airbag (7) and the second extension airbag (6)
Annular liquid storage chamber, the annular liquid storage chamber is interior to be equipped with low boiling point evaporation liquid (8), and the upper end of second extension airbag (6) passes through
Gas-guide tube (5) is connected to the exhaust outlet of water tank (4), is equipped with feed screw nut (12), the vacuum tube on the ball-screw (3)
(2) the metal scraping ring (13) with its inner wall joint always is slidably connected in, the feed screw nut (12) passes through connector
(11) it is fixedly connected on the inner wall of metal scraping ring (13), the interior bottom of the vacuum tube (2) is fixedly connected with along the vertical direction
The guide rod (14) of setting, guide rod (14) through-connections (11), and be slidably connected with connector (11).
2. a kind of solar water heater with self-cleaning vacuum tube scale function according to claim 1, feature exist
In the ball-screw (3) is made of magnetic material, and the inner wall of the metal scraping ring (13) offers the first ring along its circumferential direction
Shape slot slidably connects annular ring (15) in the first annular slot, and it is fixed that the feed screw nut (12) passes through connector (11)
It is connected on the inner wall of annular ring (15), the collar wall of the metal scraping ring (13) is circumferentially with the second annular groove along it, described
Multiple connecting columns (18) equidistantly are equipped in second annular groove, the connecting column (18) is by spring (17) elastic connection second
On the inner wall of annular groove, the side wall of the connecting column (18) is fixedly connected with arc scraper plate (16), and arc scraper plate (16) is outer
Wall and the inner wall of vacuum tube (2) offset.
3. a kind of solar water heater with self-cleaning vacuum tube scale function according to claim 1, feature exist
In the end of the two neighboring arc scraper plate (16) is equipped with mutually matched notch.
4. a kind of solar water heater with self-cleaning vacuum tube scale function according to claim 1, feature exist
In low boiling point evaporation liquid (8) is methylene chloride.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811374942.0A CN109539577B (en) | 2018-11-19 | 2018-11-19 | Solar water heater with function of automatically removing scale in vacuum tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811374942.0A CN109539577B (en) | 2018-11-19 | 2018-11-19 | Solar water heater with function of automatically removing scale in vacuum tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109539577A true CN109539577A (en) | 2019-03-29 |
| CN109539577B CN109539577B (en) | 2020-10-23 |
Family
ID=65848234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811374942.0A Active CN109539577B (en) | 2018-11-19 | 2018-11-19 | Solar water heater with function of automatically removing scale in vacuum tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109539577B (en) |
Cited By (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109911971A (en) * | 2019-04-01 | 2019-06-21 | 南昌保莱科技有限公司 | An energy-saving and environmentally friendly sewage treatment device |
| CN109931713A (en) * | 2019-04-01 | 2019-06-25 | 杭州乐守科技有限公司 | A kind of thermal-collecting tube of solar water heater automatic cleaning equipment |
| CN109928448A (en) * | 2019-04-01 | 2019-06-25 | 南昌保莱科技有限公司 | A kind of sewage disposal device |
| CN110017620A (en) * | 2019-04-22 | 2019-07-16 | 宋杨 | A kind of solar water heater with deashing device |
| CN110360760A (en) * | 2019-07-24 | 2019-10-22 | 绍兴市秀臻新能源科技有限公司 | A kind of solar water heater takes out stains device |
| CN110411039A (en) * | 2019-07-25 | 2019-11-05 | 金荣 | A kind of solar water heater with cleaning and safeguard function |
| CN110500799A (en) * | 2019-08-08 | 2019-11-26 | 合肥荣事达太阳能有限公司 | A self-cleaning solar water heater |
| CN110657503A (en) * | 2019-05-06 | 2020-01-07 | 王云 | Outer quick-witted radiating fin clearance mechanism of air conditioner |
| CN110925839A (en) * | 2019-12-20 | 2020-03-27 | 林小帅 | Energy-saving self-suction type oil fume extraction device for smart home |
| CN111380232A (en) * | 2020-03-23 | 2020-07-07 | 广州林电科技有限公司 | High-efficient solar heat collector convenient to it is clean |
| CN111426081A (en) * | 2020-04-14 | 2020-07-17 | 浙江宝威电气有限公司 | Cleaning mechanism of solar heat pipe heating device |
| CN111426080A (en) * | 2020-04-14 | 2020-07-17 | 浙江宝威电气有限公司 | Cleaning method of solar heat pipe heating device |
| CN111442687A (en) * | 2020-04-01 | 2020-07-24 | 王超 | Self-cleaning solar water heater |
| CN111457603A (en) * | 2020-04-16 | 2020-07-28 | 王秀兰 | Self-descaling solar vacuum tube |
| CN111780431A (en) * | 2020-06-12 | 2020-10-16 | 程琴 | Solar vacuum tube rotating structure |
| CN111964481A (en) * | 2020-08-25 | 2020-11-20 | 王军 | Heat exchange device for industrial equipment |
| CN112097402A (en) * | 2020-09-15 | 2020-12-18 | 周亮 | Solar water heater with function of automatically removing scale in vacuum tube |
| CN112283960A (en) * | 2020-10-29 | 2021-01-29 | 南四成 | Inner wall cleaning mechanism for solar vacuum tube |
| CN112674631A (en) * | 2020-12-18 | 2021-04-20 | 王利 | Self-cleaning light-transmitting window for urban high-rise building |
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Cited By (34)
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| CN109931713A (en) * | 2019-04-01 | 2019-06-25 | 杭州乐守科技有限公司 | A kind of thermal-collecting tube of solar water heater automatic cleaning equipment |
| CN109928448A (en) * | 2019-04-01 | 2019-06-25 | 南昌保莱科技有限公司 | A kind of sewage disposal device |
| CN109911971A (en) * | 2019-04-01 | 2019-06-21 | 南昌保莱科技有限公司 | An energy-saving and environmentally friendly sewage treatment device |
| CN109928448B (en) * | 2019-04-01 | 2021-11-16 | 南昌保莱科技有限公司 | Sewage treatment equipment |
| CN109931713B (en) * | 2019-04-01 | 2021-01-15 | 杭州乐守科技有限公司 | Automatic cleaning equipment for heat collecting pipe of solar water heater |
| CN110017620A (en) * | 2019-04-22 | 2019-07-16 | 宋杨 | A kind of solar water heater with deashing device |
| CN110657503A (en) * | 2019-05-06 | 2020-01-07 | 王云 | Outer quick-witted radiating fin clearance mechanism of air conditioner |
| CN110360760B (en) * | 2019-07-24 | 2020-11-24 | 绍兴市秀臻新能源科技有限公司 | Dirt removing device for solar water heater |
| CN110360760A (en) * | 2019-07-24 | 2019-10-22 | 绍兴市秀臻新能源科技有限公司 | A kind of solar water heater takes out stains device |
| CN110411039A (en) * | 2019-07-25 | 2019-11-05 | 金荣 | A kind of solar water heater with cleaning and safeguard function |
| CN110500799A (en) * | 2019-08-08 | 2019-11-26 | 合肥荣事达太阳能有限公司 | A self-cleaning solar water heater |
| CN110925839A (en) * | 2019-12-20 | 2020-03-27 | 林小帅 | Energy-saving self-suction type oil fume extraction device for smart home |
| CN111380232A (en) * | 2020-03-23 | 2020-07-07 | 广州林电科技有限公司 | High-efficient solar heat collector convenient to it is clean |
| CN111442687A (en) * | 2020-04-01 | 2020-07-24 | 王超 | Self-cleaning solar water heater |
| CN111442687B (en) * | 2020-04-01 | 2021-12-21 | 周鹏 | Self-cleaning solar water heater |
| CN111426080A (en) * | 2020-04-14 | 2020-07-17 | 浙江宝威电气有限公司 | Cleaning method of solar heat pipe heating device |
| CN111426081A (en) * | 2020-04-14 | 2020-07-17 | 浙江宝威电气有限公司 | Cleaning mechanism of solar heat pipe heating device |
| CN111426080B (en) * | 2020-04-14 | 2021-08-13 | 浙江宝威电气有限公司 | Cleaning method of solar heat pipe heating device |
| CN111426081B (en) * | 2020-04-14 | 2021-08-13 | 浙江宝威电气有限公司 | Cleaning mechanism of solar heat pipe heating device |
| CN111457603A (en) * | 2020-04-16 | 2020-07-28 | 王秀兰 | Self-descaling solar vacuum tube |
| CN111780431A (en) * | 2020-06-12 | 2020-10-16 | 程琴 | Solar vacuum tube rotating structure |
| CN111964481A (en) * | 2020-08-25 | 2020-11-20 | 王军 | Heat exchange device for industrial equipment |
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Effective date of registration: 20200924 Address after: Building 39, Weile neighborhood life square, Luzhi Town, Wuzhong District, Suzhou City, Jiangsu Province Applicant after: Suzhou yinzhicheng new energy Co., Ltd Address before: 030000 18 new mining road, wanBerlin District, Taiyuan, Shanxi Applicant before: Wang Jide |
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