CN206236657U - A kind of silicon wafer wool making adds pumping equipment - Google Patents
A kind of silicon wafer wool making adds pumping equipment Download PDFInfo
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- CN206236657U CN206236657U CN201621406601.3U CN201621406601U CN206236657U CN 206236657 U CN206236657 U CN 206236657U CN 201621406601 U CN201621406601 U CN 201621406601U CN 206236657 U CN206236657 U CN 206236657U
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- liquid
- pipe
- pump
- feed device
- silicon wafer
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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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Abstract
Add pumping equipment the utility model discloses a kind of silicon wafer wool making, including reaction unit, liquid feed device, connect liquid device and priming device；Feed pipe and liquid back pipe are provided between the reaction unit and liquid feed device；Pump is provided with the liquid feed device, feed pipe is connected with pump by pipeline；Described connecing is provided with discharging tube between liquid device and liquid feed device, the top of the pipeline peak higher than the pump in liquid feed device of discharging tube；Liquid injection pipe is provided between the priming device and liquid feed device；Valve is provided with the pipeline of the feed pipe, liquid back pipe, liquid injection pipe and discharging tube.The utility model by set rational drain line can avoid because drain age velocity is faster than fluid injection speed and caused by pump dry operation, while also avoiding making herbs into wool reactive tank from cannot get enough reaction solutions and cause silicon wafer wool making unqualified.
Description
Technical field
The utility model is related to a kind of plus pumping equipment, and in particular to a kind of silicon wafer wool making adds pumping equipment.
Background technology
Making herbs into wool is a kind of process for processing solar energy-level silicon wafer, is a procedure of silicon solar cell production.
Can be divided into monocrystalline silicon making herbs into wool and polysilicon making herbs into wool by silicon raw material classification；Can be divided into sour making herbs into wool and alkali system by the acid-base property of corrosive liquid
Suede, either monocrystalline silicon piece or polysilicon chip, can be processed with acid or alkali, no matter be processed with which kind of method, typically
In the case of, with alkali process be in order to obtain pyramid shape matte, with acid treatment be in order to obtain worm channel shape matte, regardless of
Matte, can improve the light trapping effect of silicon chip.
Typically used in big industrial production at present lower-cost NaOH or potassium hydroxide weak solution (concentration for
1%~2%) preparing matte, corrosion temperature is 80 DEG C ± 5 DEG C, in addition, in order to efficiently control the big of reaction speed and matte
It is small, a certain amount of IPA can be added as sustained release agent and complexing agent.Preferable pile effects, it should be pyramid uniform in size, cover
Lid whole surface, the height of pyramid does not have space between 3~5 μm between adjacent pyramid, is reflected with relatively low surface
Rate, effective suede structure is favorably improved the performance of battery.
It is essential that making herbs into wool reactive tank and reaction solution, silicon wafer wool making process is anti-in making herbs into wool during silicon wafer wool making
Answer in groove and complete, and needed in whole process by liquid feed device to the continual supplement reaction solution of making herbs into wool reactive tank, supplement
The power set of reaction solution are the pump in liquid feed device, in the prior art, because feed flow is filled when occurring frequently in supplement reaction solution
Put drainage structure unreasonable and cause the situation of pump free-runing operation, on the one hand easily cause pump damage, on the other hand can cause system
Suede reactive tank cannot get enough reaction solutions and influence the quality of silicon wafer wool making, causes silicon wafer wool making unqualified and does over again, both wave
Take manpower and materials, lose time again.
Utility model content
Problem to be solved in the utility model is to overcome to be made because liquid feed device drain line is unreasonable in the prior art
Cause empty drying of pump to be run into excessive discharge opeing, also result in the problem that making herbs into wool reactive tank cannot get enough reaction solutions, there is provided
A kind of silicon wafer wool making adds pumping equipment, and it passes through to set rational pipeline structure, and feed flow is filled during can avoiding silicon wafer wool making
Put discharge opeing excessive.
The utility model is achieved through the following technical solutions：
A kind of silicon wafer wool making adds pumping equipment, including reaction unit, liquid feed device, priming device and connects liquid device；It is described
Feed pipe and liquid back pipe are provided between reaction unit and liquid feed device；Pump, feed pipe and pump are provided with the liquid feed device
Connected by pipeline；Liquid injection pipe is provided between the priming device and liquid feed device；It is described connect liquid device and liquid feed device it
Between be provided with discharging tube, the top of the pipeline peak higher than the pump in liquid feed device of discharging tube；The feed pipe, time liquid
Valve is provided with the pipeline of pipe, liquid injection pipe and discharging tube.During using the utility model, feed pipe, liquid back pipe, liquid injection pipe and
Valve on the pipeline of discharging tube is in opening, enough reaction solutions is added in reaction unit, it would be desirable to making herbs into wool
Silicon chip is placed in reaction unit and is completely covered by reaction solution, during whole silicon wafer wool making, on the one hand, in liquid feed device
Pump is incessantly always reaction unit supplement reaction solution by feed pipe, once the reaction solution in reaction unit exceedes set in advance
Fixed height, the reaction solution in reaction unit will flow back to liquid feed device by liquid back pipe, and on the other hand, priming device passes through fluid injection
Pipe provides fresh reaction solution for liquid feed device always, and the liquid level in liquid feed device is once higher than the peak of drain line
(higher than the top of pump), then during discharging tube starts to be discharged to reaction solution and connects liquid device.The utility model is by by discharging tube
Pipeline peak is set must be higher than the top of the pump in liquid feed device, can avoid reaction solution of the discharging tube in liquid feed device
Also continue to discharge opeing during close to pump, so as to avoid because drain age velocity is faster than fluid injection speed and caused by pump dry operation (enough
Liquid is conveyed without liquid for pump, so as to cause pump Smaller load or free-runing operation), while also avoiding making herbs into wool reactive tank from cannot get
Enough reaction solution and cause silicon wafer wool making unqualified.
Further, the pipeline of the discharging tube includes U-shaped pipeline portions, and the horizontal pipeline part on U-tube road is row
The extreme higher position of liquid pipe.U-tube road is simple and easy to apply in manufacturing process, regular attractive in appearance in structure, and U-tube road is to fluid
Resistance it is small, be conducive to reaction solution smoothly to discharge.
Further, also including the first warning device, the first liquid level sensor, the first liquid are provided with the liquid feed device
The output end of level sensor is connected with the input of the first warning device.Feed flow can at any time be monitored by the first liquid level sensor
Liquid level in device, once liquid level then sends alarm signal less than the top of pump by the first warning device, notifies work
Personnel take counter-measure, it is to avoid pump is damaged, and also reduce the disqualification rate of making herbs into wool silicon chip.
Further, also including the second warning device, the second liquid level sensor, the second liquid are provided with the reaction unit
The output end of level sensor is connected with the input of the second warning device.Reaction can at any time be monitored by the second liquid level sensor
Liquid level in device, once the liquid level of reaction solution is reduced to the minimum level of reaction solution needed for silicon wafer wool making, then by second
Warning device sends alarm signal, notifies that staff takes counter-measure, it is to avoid reaction solution deficiency causes silicon in reaction unit
Piece making herbs into wool is unqualified.
The utility model compared with prior art, has the following advantages and advantages：
1st, the utility model can avoid being made because drain age velocity is faster than fluid injection speed by setting rational drain line
Dried into pump and run, while also avoiding making herbs into wool reactive tank from cannot get enough reaction solutions and cause silicon wafer wool making unqualified.
2nd, the highest part of drain line is set to U-tube road, is simple to manufacture, structure is attractive in appearance, and the convection current of U-tube road
The resistance of body is small, is conducive to reaction solution smoothly to discharge.
3rd, the liquid level in liquid feed device can be at any time monitored by the first liquid level sensor, once liquid level is less than pump
Top, then send alarm signal by the first warning device, notifies that staff takes counter-measure, it is to avoid pump is damaged, and is also subtracted
The disqualification rate of small making herbs into wool silicon chip.
4th, the liquid level in reaction unit can be at any time monitored by the second liquid level sensor, once the liquid level of reaction solution
The minimum level of reaction solution needed for silicon wafer wool making is reduced to, then alarm signal is sent by the second warning device, notify staff
Take counter-measure, it is to avoid reaction solution deficiency causes silicon wafer wool making unqualified in reaction unit.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the utility model embodiment, constitutes the one of the application
Part, does not constitute the restriction to the utility model embodiment.In the accompanying drawings：
Fig. 1 is the utility model structural representation.
Mark and corresponding parts title in accompanying drawing：
1-reaction unit, 2-feed pipe, 3-liquid back pipe, 4-pump, 5-liquid feed device, 6-connect liquid device, 7-discharge opeing
Pipe, 8-priming device, 9-valve, 10-liquid injection pipe, the 11-the first warning device, the 12-the first liquid level sensor, 13-the
Two liquid level sensors, the 14-the second warning device.
Specific embodiment
To make the purpose of this utility model, technical scheme and advantage become more apparent, with reference to embodiment and accompanying drawing,
The utility model is described in further detail, and exemplary embodiment of the present utility model and its explanation are only used for explaining this
Utility model, is not intended as to restriction of the present utility model.
Embodiment
A kind of silicon wafer wool making adds pumping equipment, including reaction unit 1, liquid feed device 5, connects liquid device 6, priming device 8,
One warning device 11 and the second warning device 14；Feed pipe 2 and liquid back pipe 3 are provided between reaction unit 1 and liquid feed device 5,
The first liquid level sensor 12, the output end of the first liquid level sensor 12 and the first warning device 11 are provided with liquid feed device 5
Input is connected, and the second liquid level sensor 13, the output end of the second liquid level sensor 13 and the second report are provided with reaction unit 1
The input connection of alarm device 14, pump 4 is provided with liquid feed device 5, and feed pipe 2 is connected with pump 4 by pipeline, connects liquid device 6
Discharging tube 7 is provided between liquid feed device 5, the pipeline peak of discharging tube 7 is higher than the top of the pump 4 in liquid feed device 5,
Liquid injection pipe 10, the pipe of feed pipe 2, liquid back pipe 3, liquid injection pipe 10 and discharging tube 7 are provided between priming device 8 and liquid feed device 5
Valve 9 is provided with road.
In the present embodiment, the pipeline of discharging tube 7 includes U-shaped pipeline portions, and the horizontal pipeline part on U-tube road is discharge opeing
The extreme higher position of pipe 7.
When implementing the present embodiment, the valve 9 on the pipeline of feed pipe 2, liquid back pipe 3, liquid injection pipe 10 and discharging tube 7 is in
Opening, adds enough reaction solutions, it would be desirable to which the silicon chip of making herbs into wool is placed in reaction unit 1 and anti-in reaction unit 1
Answer liquid to be completely covered, during whole silicon wafer wool making, on the one hand, pump 4 in liquid feed device 5 by feed pipe 2 always not between
Disconnectedly for reaction unit 1 supplements reaction solution, once the reaction solution in reaction unit 1 exceedes height set in advance, reaction unit 1
Interior reaction solution will flow back to liquid feed device 5 by liquid back pipe 3, and on the other hand, priming device 8 is always feed flow by liquid injection pipe 10
Device 5 provides fresh reaction solution, and the liquid level in liquid feed device 5 (is higher than once pump 4 higher than the pipeline peak of discharging tube 7
Top), then during discharging tube 7 starts to be discharged to reaction solution and connects liquid device 6.The present embodiment by by the pipeline of discharging tube 7 most
High point is set must be higher than the top of the pump 4 in liquid feed device 5, and reaction solution of the discharging tube 7 in liquid feed device 5 can be avoided to connect
Also continue to discharge opeing during nearly pump 4, so as to avoid because drain age velocity is faster than fluid injection speed and caused by pump 4 dry operation (without enough
Liquid or no liquid are conveyed for pump 4, so as to cause the Smaller load of pump 4 or free-runing operation), while also avoiding making herbs into wool reactive tank from obtaining not
Cause silicon wafer wool making unqualified to enough reaction solutions.
In addition, the liquid level in liquid feed device 5 can be at any time monitored by the first liquid level sensor 12, once liquid level is low
In the top of pump 4, then alarm signal is sent by the first warning device 11, notify that staff takes counter-measure, it is to avoid pump 4
Damage, also reduce the disqualification rate of making herbs into wool silicon chip；The liquid in reaction unit 1 can be at any time monitored by the second liquid level sensor 13
Face highly, once the liquid level of reaction solution is reduced to the minimum level of reaction solution needed for silicon wafer wool making, then by the second warning device 14
Alarm signal is sent, notifies that staff takes counter-measure, it is to avoid reaction solution deficiency causes silicon wafer wool making not in reaction unit
It is qualified.
Above-described specific embodiment, is entered to the purpose of this utility model, technical scheme and beneficial effect
One step is described in detail, be should be understood that and be the foregoing is only specific embodiment of the present utility model, is not used to limit
Fixed protection domain of the present utility model, all any modifications within spirit of the present utility model and principle, made, equally replaces
Change, improve, should be included within protection domain of the present utility model.
Claims (4)
1. a kind of silicon wafer wool making adds pumping equipment, it is characterised in that including reaction unit (1), liquid feed device (5), connect liquid device
And priming device (8) (6)；
Feed pipe (2) and liquid back pipe (3) are provided between the reaction unit (1) and liquid feed device (5)；
Pump (4) is provided with the liquid feed device (5), feed pipe (2) is connected with pump (4) by pipeline；
Described connecing is provided with discharging tube (7) between liquid device (6) and liquid feed device (5), the pipeline peak of discharging tube (7) is higher than
The top of the pump (4) in liquid feed device (5)；
Liquid injection pipe (10) is provided between the priming device (8) and liquid feed device (5)；
Valve (9) is provided with the pipeline of the feed pipe (2), liquid back pipe (3), liquid injection pipe (10) and discharging tube (7).
2. a kind of silicon wafer wool making according to claim 1 adds pumping equipment, it is characterised in that the pipe of the discharging tube (7)
Road includes U-shaped pipeline portions, and the horizontal pipeline part on U-tube road is the extreme higher position of discharging tube (7).
3. a kind of silicon wafer wool making according to claim 1 adds pumping equipment, it is characterised in that also including the first warning device
(11), it is provided with the first liquid level sensor (12) in the liquid feed device (5), the output end of the first liquid level sensor (12) and the
The input connection of one warning device (11).
4. a kind of silicon wafer wool making according to claim 1 adds pumping equipment, it is characterised in that also including the second warning device
(14), it is provided with the second liquid level sensor (13) in the reaction unit (1), the output end of the second liquid level sensor (13) and the
The input connection of two warning devices (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621406601.3U CN206236657U (en) | 2016-12-21 | 2016-12-21 | A kind of silicon wafer wool making adds pumping equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621406601.3U CN206236657U (en) | 2016-12-21 | 2016-12-21 | A kind of silicon wafer wool making adds pumping equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206236657U true CN206236657U (en) | 2017-06-09 |
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ID=58992410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621406601.3U Active CN206236657U (en) | 2016-12-21 | 2016-12-21 | A kind of silicon wafer wool making adds pumping equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206236657U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107083567A (en) * | 2017-06-29 | 2017-08-22 | 昊诚光电（太仓）有限公司 | A kind of texturing slot spent acid conveying device |
| CN108767069A (en) * | 2018-06-11 | 2018-11-06 | 南京八度阳光太阳能科技有限公司 | A kind of solar energy fluff making device |
-
2016
- 2016-12-21 CN CN201621406601.3U patent/CN206236657U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107083567A (en) * | 2017-06-29 | 2017-08-22 | 昊诚光电（太仓）有限公司 | A kind of texturing slot spent acid conveying device |
| CN108767069A (en) * | 2018-06-11 | 2018-11-06 | 南京八度阳光太阳能科技有限公司 | A kind of solar energy fluff making device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210924 Address after: 239300 Jingliu road and Weisan Road, Tianchang Economic Development Zone, Chuzhou City, Anhui Province Patentee after: ANHUI YING FA RUINENG TECHNOLOGY Co.,Ltd. Address before: 610000 1 Print-Rite Road, Southwest Airport Economic Development Zone, Shuangliu District, Chengdu, Sichuan Patentee before: SICHUAN YINGFA SOLAR ENERGY TECHNOLOGY Co.,Ltd. |