CN115841974B - Water film spraying equipment of photovoltaic cleaning equipment - Google Patents
Water film spraying equipment of photovoltaic cleaning equipment Download PDFInfo
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- CN115841974B CN115841974B CN202310159230.1A CN202310159230A CN115841974B CN 115841974 B CN115841974 B CN 115841974B CN 202310159230 A CN202310159230 A CN 202310159230A CN 115841974 B CN115841974 B CN 115841974B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 144
- 238000004140 cleaning Methods 0.000 title claims abstract description 30
- 238000005507 spraying Methods 0.000 title claims abstract description 29
- 239000007788 liquid Substances 0.000 claims abstract description 108
- 239000007921 spray Substances 0.000 claims abstract description 33
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 16
- 239000010703 silicon Substances 0.000 claims abstract description 16
- 239000012528 membrane Substances 0.000 claims description 2
- 230000011664 signaling Effects 0.000 claims 1
- 210000005056 cell body Anatomy 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Cleaning By Liquid Or Steam (AREA)
Abstract
The application relates to a water film spraying device of a photovoltaic cleaning device, which belongs to the technical field of photovoltaic production equipment and comprises a tank body and a spraying head. The cell body includes the main tank and the overflow launder that are cut apart and form by the overflow plate, be provided with the inlet tube in the main tank, be provided with at least one delivery port on the curb plate of main tank length direction along the overflow mouth has been seted up on the curb plate of overflow launder, during operation liquid is spouted in order to keep the liquid in the main tank in overflow state when the top surface of photovoltaic silicon chip forms the water film from the shower. During spraying, overflow is kept at the same time, so that the water level in the main tank is kept constant, the water pressure of the spray header is kept constant, the flow flowing out of the spray header is kept constant, and the stability of water film quality is improved.
Description
Technical Field
The application belongs to photovoltaic manufacture equipment technical field, especially relates to a photovoltaic cleaning equipment water film sprays equipment.
Background
In the production and manufacturing process of the photovoltaic silicon wafer, some processes need to perform cleaning processing on the bottom surface of the silicon wafer, such as etching, and in order to prevent the top surface of the silicon wafer from being corroded by corrosive liquid, a water film needs to be formed on the top surface to protect the top surface from being corroded. The water film covering is to uniformly spray water or other liquid on the top surface of the silicon wafer through a spray head. Chinese patent document CN215118926U discloses a water film spray device comprising a drip pipe and a water replenishment assembly; the horizontal setting of drip, the bottom surface interval in proper order is equipped with a plurality of drips, connects a plurality of water intakes, and drip is connected to water intakes one end, and the drip box is connected to one end for with the intraductal liquid drainage of drip to the box body. The drip pipes arranged transversely are convenient for distributing water liquid in the length direction of the drip pipes. However, in the actual working process of the drip pipe serving as the water storage device, the internal water storage amount can be changed, so that the liquid level is changed, the water pressure at the drip port of the bottom surface of the drip pipe is also different, when gravity is used as a main power source for spraying liquid, the different liquid level heights can lead to different spraying amounts, so that the thickness of a water film is different, and the quality of the sprayed liquid is unstable.
Disclosure of Invention
The invention aims to solve the technical problems that: the water film spraying equipment for the photovoltaic cleaning equipment solves the problem of unstable water film quality caused by unstable water pressure at the spray header in the prior art, and accordingly improves the stability of the water film quality.
The technical scheme adopted for solving the technical problems is as follows:
a photovoltaic cleaning apparatus water film spray apparatus comprising:
the solar photovoltaic silicon wafer overflow device comprises a tank body and is characterized in that the tank body comprises a main tank and an overflow tank which are formed by dividing an overflow plate, a water inlet pipe is arranged in the main tank, at least one water outlet is arranged on a side plate along the length direction of the main tank, an overflow port is formed on the side plate of the overflow tank so as to discharge liquid in the overflow tank, liquid for forming a water film flows into the main tank from a water tank through the water inlet pipe during operation, the liquid in the main tank is sprayed out from a spray header through a spray pipe so as to form the water film on the top surface of a photovoltaic silicon wafer, and meanwhile, the liquid in the main tank overflows into the overflow tank;
the spray header is communicated with the water outlet through a spray pipe and can spray out liquid to form a water film on the surface of the photovoltaic silicon wafer.
Preferably, the water film spraying equipment of the photovoltaic cleaning equipment is provided with the first liquid level sensor at the same height as the overflow plate, the first liquid level sensor monitors the liquid level in the main tank, when the first liquid level sensor senses the liquid level height and the overflow plate, when the first liquid level sensor senses that the liquid level height is lower than the overflow plate, the control program of the equipment is informed to send out an alarm, so that the overflow is ensured to be continuously carried out.
Preferably, in the water film spraying equipment of the photovoltaic cleaning equipment, the second liquid level sensor is arranged at the equal-height position of the overflow port of the overflow groove, and when the liquid flows out of the overflow port, the second liquid level sensor can sense the liquid flow, so that the existence of overflow is ensured.
Preferably, the water film spraying equipment of the photovoltaic cleaning equipment is characterized in that a third liquid level sensor is further arranged at the middle height of the overflow groove.
Preferably, in the water film spraying device of the photovoltaic cleaning device, the water inlet pipe is transversely arranged in the main groove, and the length of the water inlet pipe exceeds the water outlets at the two ends and is higher than the water outlets.
Preferably, the water film spraying device of the photovoltaic cleaning device is characterized in that the opening on the water inlet pipe faces to the side far away from the water outlet or faces upwards, so that the water pressure at the water inlet pipe is prevented from changing due to the inflow of liquid at the opening.
Preferably, the water film spraying device of the photovoltaic cleaning device is characterized in that the water inlet pipe is supported and fixed by a plurality of supporting plates arranged on the bottom plate of the main tank, and a supporting plate is arranged between two adjacent water outlets on the vertical projection.
Preferably, in the water film spraying device of the photovoltaic cleaning device, the number of the openings in each area divided by the supporting plate on the water inlet pipe is equal.
Preferably, the water film spraying device of the photovoltaic cleaning device is characterized in that the liquid is clear water or alkaline liquid.
Preferably, in the water film spraying device of the photovoltaic cleaning device, the water inlet pipe and the overflow port are respectively connected with a water tank, the water tank supplies liquid to the water inlet pipe, and the liquid flowing out of the overflow port flows into the water tank.
The beneficial effects of the invention are as follows:
the utility model provides a photovoltaic cleaning equipment water film spray equipment comprises cell body and shower head two parts. The cell body includes the main tank and the overflow launder that are cut apart and form by the overflow plate, be provided with the inlet tube in the main tank, be provided with at least one delivery port on the curb plate of main tank length direction along the overflow mouth has been seted up on the curb plate of overflow launder, and during operation liquid is spouted in order to form the water film in photovoltaic silicon chip top surface from the shower, keeps the liquid in the main tank in overflow state. That is, during spraying, overflow is maintained at the same time, so that the water level in the main tank is kept constant, the water pressure of the spray header is kept constant, the flow flowing out of the spray header is kept constant, and the stability of water film quality is improved.
Drawings
The technical scheme of the application is further described below with reference to the accompanying drawings and examples.
Fig. 1 is a schematic structural diagram of a water film spraying device of a photovoltaic cleaning device according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of a front side plate with a groove hidden in a water film spraying device of a photovoltaic cleaning device according to an embodiment of the present application;
FIG. 3 is a front view of the water membrane shower apparatus of the photovoltaic cleaning apparatus of FIG. 2;
the reference numerals in the figures are:
1. a tank body;
2. a spray header;
3. a manual valve;
4. an automatic valve;
5. a shower pipe;
9. a conveying roller;
10. an overflow plate;
11. a main groove;
12. an overflow trough;
13. a water inlet pipe;
14. a water outlet;
15. an overflow port;
16. an evacuation port;
17. a first liquid level sensor;
18. a second liquid level sensor;
19. a third liquid level sensor;
131. an opening;
132. and a support plate.
Detailed Description
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other.
In the description of the present application, it should be understood that the terms "center," "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the scope of protection of the present application. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application can be understood by those of ordinary skill in the art in a specific context.
The technical solutions of the present application will be described in detail below with reference to the accompanying drawings in combination with embodiments.
Examples
The embodiment provides a photovoltaic cleaning equipment water film sprays equipment, as shown in fig. 1, includes:
the structure of the tank body 1 is shown in fig. 2 and 3, the tank body 1 is arranged at the top of the transmission roller 9 and comprises a main tank 11 and an overflow tank 12 which are formed by dividing an overflow plate 10, a water inlet pipe 13 is arranged in the main tank 11, at least one water outlet 14 is arranged on a side plate along the length direction of the main tank 11, an overflow port 15 is arranged on the side plate of the overflow tank 12, liquid for forming a water film flows into the main tank 11 from a water tank through the water inlet pipe 13 during operation, part of liquid in the main tank 11 is sprayed out of a spray header 2 through a spray pipe 5 to form the water film on the surface (towards the top surface of the spray header 2) of a photovoltaic silicon wafer, meanwhile, the liquid in the main tank 11 is kept overflowing into the overflow tank 12, the liquid in the overflow tank 12 returns to the water tank through the overflow port 15 arranged at the bottom of the overflow tank 12, the water tank is usually arranged in a space below the transmission roller 9 of the photovoltaic cleaning device, and the liquid is pumped from the water tank to the upper tank body 1 by a pump, namely, when the liquid is overflowed, the liquid is kept constant so that the water level 2 is kept constant during spraying, and the water level is kept constant; the body of the tank body 1 consists of a top plate, a bottom plate and peripheral side plates, wherein an overflow plate 10 is arranged at one side close to the inside, the top surface of the overflow plate 10 is an inclined surface, and the height of one side close to the main tank 11 is higher than that of one side close to the overflow tank 12, so that liquid overflows conveniently.
The spray header 2 is communicated with the water outlet 14 through the spray pipe 5 and can spray out liquid to form a water film on the top surface of the photovoltaic silicon wafer.
The water film spraying equipment of the photovoltaic cleaning equipment mainly comprises a tank body 1 and a spraying head 2. The cell body 1 sets up in the top of transfer roller 9, including main tank 11 and overflow launder 12 that is formed by the overflow plate 10 segmentation, be provided with inlet tube 13 in the main tank 11, be provided with at least one delivery port 14 on the curb plate of main tank 11 length direction, overflow mouth 15 has been seted up on the curb plate of overflow launder 12, and during operation liquid is spouted in order to form the water film in photovoltaic silicon chip top surface from shower head 2 through shower 5, keeps the liquid in the main tank 11 to be in the overflow state all the time. That is, the overflow is maintained while spraying, so that the water level in the main tank 11 is kept constant, the water pressure of the spray header 2 is kept constant, the flow flowing out of the spray header 2 is kept constant, and the stability of the water film quality is improved.
Generally, the liquid in the overflow tank 12 is returned to the water tank through the overflow port 15 for recycling, and the water tank is arranged in a space below the conveying roller 9 of the photovoltaic cleaning equipment so as to facilitate the arrangement of related equipment. The transfer roller 9 in fig. 1 is used for transferring the photovoltaic silicon wafer.
Further, the shower pipe 5 is further provided with a manual valve 3 and/or an automatic valve 4, as shown in fig. 1, and the manual valve 3 and the automatic valve 4 are provided at the same time, so that the single shower head 2 can be controlled manually or automatically, and the automatic valve 4 is a solenoid valve or a pneumatic valve.
Further, a first liquid level sensor 17 is arranged at the same height as the overflow plate 10, the first liquid level sensor 17 monitors the liquid level in the main tank 11, when the first liquid level sensor 17 senses the liquid level to be equal to the overflow plate 10, the overflow is indicated to be always performed, and when the first liquid level sensor 17 senses the liquid level to be lower than the overflow plate 10, a control program of a signal notification device is sent out to give an alarm, so that the overflow is ensured to be continuously performed.
Further, the second liquid level sensor 18 is disposed at the same height of the overflow port 15 of the overflow tank 12, when the liquid flows out from the overflow port 15, the second liquid level sensor 18 can sense the flow of the liquid, so that the existence of overflow is ensured, that is, when spraying, the second liquid level sensor 18 can sense the flow of the liquid, otherwise, no overflow liquid is considered, and an alarm is further generated. The provision of the second level sensor 18 together with the first level sensor 17 ensures that overflow occurs.
Further, a third liquid level sensor 19 is further arranged at the middle height of the overflow groove 12, and when the third liquid level sensor 19 senses the liquid level, the liquid level in the overflow groove 12 is too high, which indicates that the overflow groove 12 has a barrier to the liquid flow and equipment is required to be overhauled.
The first liquid level sensor 17, the second liquid level sensor 18 and the third liquid level sensor 19 are pontoon type liquid level sensors, the pontoon can be raised when the liquid level is higher than the liquid level sensor, the pontoon can be hung down when the liquid level is lower than the liquid level sensor, and corresponding sensing signals can be generated when the pontoon is raised and hung down.
Further, as shown in fig. 3, the water inlet pipe 13 is disposed laterally in the main tank 11, and has a length exceeding the water outlet 14 at the extreme ends and being higher than the water outlet 14 (higher than the water outlet 14 in the height direction).
Further, the opening 131 of the water inlet pipe 13 faces to the side far from the water outlet 14 or faces upwards, so as to prevent the water pressure at the water inlet pipe 13 from changing due to the inflow of the liquid at the opening 131.
Further, the water inlet pipe 13 is supported and fixed by a plurality of support plates 132 arranged on the bottom plate of the main tank 11, and one support plate 132 is arranged between two adjacent water outlets 14 on the vertical projection, and the number of openings 131 in each area divided by the support plates 132 of the water inlet pipe 13 is equal. As shown in fig. 3, the water inlet pipe 13 is divided into 5 sections from left to right, 5 water outlets 14 are respectively corresponding to the 5 sections, the number of the openings 131 of each section in the 5 sections is equal to 4, and one opening 131 at the leftmost side is positioned at the tail end of the water inlet pipe 13. The water inlet pipe 13 needs to be supported and fixed by the support plates 132, in order to reduce the influence of the support plates 132 on the liquid flow, the water outlet 14 is purposely arranged between the two support plates 132, and the number of the corresponding openings 131 is also arranged to be the same.
Further, the main tank 11 is further provided with an evacuation port 16 for evacuating the liquid in the main tank 11, and the evacuation of the liquid is performed to clean the main tank 11 during the non-working time, and it should be noted that the evacuation port 16 is disposed at a height higher than the water outlet 14, and the liquid below the evacuation port 16 is evacuated by the water outlet 14, and the water outlet 14 is distributed in the length direction of the main tank 11, so that it is more convenient to evacuate all the liquid.
When a certain temperature of liquid is required, a heater is arranged in the water tank to heat the liquid, and a temperature sensor can be arranged in the main tank 11 to monitor the temperature.
According to actual needs, the liquid for forming the water film can be clear water, alkaline liquid or other solutions.
It is noted that the piping is not illustrated in this application, but that the interconnecting parts with fluid communication are all described as requiring piping connections (piping is partially omitted from all the figures for ease of illustration) and that pumps or valves or flow regulating devices (flow valves) are provided on the piping as necessary to power the fluid flow or to switch the flow passages or flow regulation.
With the above-described preferred embodiments according to the present application as a teaching, the related workers can make various changes and modifications without departing from the scope of the technical idea of the present application. The technical scope of the present application is not limited to the contents of the specification, and must be determined according to the scope of claims.
Claims (6)
1. A photovoltaic cleaning apparatus water film spray apparatus, comprising:
the solar photovoltaic silicon wafer overflow device comprises a tank body (1), and comprises a main tank (11) and an overflow tank (12) which are formed by dividing an overflow plate (10), wherein a water inlet pipe (13) is arranged in the main tank (11), at least one water outlet (14) is arranged on a side plate along the length direction of the main tank (11), an overflow port (15) is formed on the side plate of the overflow tank (12) so as to discharge liquid in the overflow tank (12), liquid for forming a water film flows into the main tank (11) from a water tank through the water inlet pipe (13) during operation, and liquid in the main tank (11) is sprayed out from a spray header (2) through a spray pipe (5) so as to form a water film on the top surface of the photovoltaic silicon wafer, and meanwhile, the liquid in the main tank (11) overflows into the overflow tank (12);
the spray header (2) is communicated with the water outlet (14) through a spray pipe (5) and can spray liquid to form a water film on the surface of the photovoltaic silicon wafer;
the water inlet pipe (13) is transversely arranged in the main groove (11), and the length of the water inlet pipe exceeds the water outlets (14) at the two ends and is higher than the water outlets (14);
the opening on the water inlet pipe (13) faces to the side far away from the water outlet (14) or faces upwards so as to prevent the change of the water pressure of the liquid flowing into the water inlet pipe (13);
the water inlet pipe (13) is supported and fixed by a plurality of supporting plates (132) arranged on the bottom plate of the main tank (11), and one supporting plate (132) is arranged between two adjacent water outlets (14) on vertical projection;
the number of the openings (131) in each area divided by the supporting plate (132) on the water inlet pipe (13) is equal, and one opening (131) at the leftmost side is positioned at the tail end of the water inlet pipe (13).
2. The water film spraying equipment of the photovoltaic cleaning equipment according to claim 1, wherein a first liquid level sensor (17) is arranged at the same height as the overflow plate (10), the first liquid level sensor (17) monitors the liquid level in the main tank (11), when the first liquid level sensor (17) senses that the liquid level is equal to the overflow plate (10), when the first liquid level sensor (17) senses that the liquid level is lower than the overflow plate (10), a control program of the signaling equipment sends out an alarm, and accordingly continuous overflow is guaranteed.
3. The water film spraying device of the photovoltaic cleaning device according to claim 2, wherein the second liquid level sensor (18) is arranged at the same height position of the overflow port (15) of the overflow groove (12), and when the liquid flows out of the overflow port (15), the second liquid level sensor (18) can sense the liquid flow, so that the existence of overflow is ensured.
4. A photovoltaic cleaning plant water film spraying device according to claim 2 or 3, characterized in that a third liquid level sensor (19) is also provided at the middle level of the overflow launder (12).
5. The photovoltaic cleaning apparatus water membrane spray apparatus of claim 1 wherein the liquid is clear water or an alkaline liquid.
6. The water film spraying device of a photovoltaic cleaning device according to claim 1, characterized in that the water inlet pipe (13) and the overflow port (15) are respectively connected with a water tank, the water tank supplies liquid to the water inlet pipe (13), and the liquid flowing out of the overflow port (15) flows into the water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310159230.1A CN115841974B (en) | 2023-02-24 | 2023-02-24 | Water film spraying equipment of photovoltaic cleaning equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310159230.1A CN115841974B (en) | 2023-02-24 | 2023-02-24 | Water film spraying equipment of photovoltaic cleaning equipment |
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| CN115841974A CN115841974A (en) | 2023-03-24 |
| CN115841974B true CN115841974B (en) | 2023-05-05 |
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| CN202310159230.1A Active CN115841974B (en) | 2023-02-24 | 2023-02-24 | Water film spraying equipment of photovoltaic cleaning equipment |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101559409A (en) * | 2008-04-15 | 2009-10-21 | 迈科机械制造有限及两合公司 | Nozzle system |
| CN204182611U (en) * | 2014-09-19 | 2015-03-04 | 宝山钢铁股份有限公司 | A kind of finish rolling calibrator backlight cleaning device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205231093U (en) * | 2015-12-29 | 2016-05-11 | 安徽银阳光伏科技有限公司 | Solar cell wet etching's water film device |
| CN209873180U (en) * | 2018-12-28 | 2019-12-31 | 阜宁苏民绿色能源科技有限公司 | Even sculpture water film spray set of going out water |
| CN214976101U (en) * | 2021-03-18 | 2021-12-03 | 安徽英发睿能科技股份有限公司 | Even sculpture water film spray set of going out water |
| CN115156142B (en) * | 2022-05-30 | 2024-04-30 | 江苏亚电科技股份有限公司 | PSG water film spraying mechanism and photovoltaic silicon wafer water film attaching method |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101559409A (en) * | 2008-04-15 | 2009-10-21 | 迈科机械制造有限及两合公司 | Nozzle system |
| CN204182611U (en) * | 2014-09-19 | 2015-03-04 | 宝山钢铁股份有限公司 | A kind of finish rolling calibrator backlight cleaning device |
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Address after: 225500 No. 151, Keji Avenue, Sanshui street, Jiangyan District, Taizhou City, Jiangsu Province Patentee after: Jiangsu Yadian Technology Co.,Ltd. Address before: 225500 No. 151, Keji Avenue, Sanshui street, Jiangyan District, Taizhou City, Jiangsu Province Patentee before: Jiangsu Yadian Technology Co.,Ltd. |