CN206935918U - A kind of silicon chip of solar cell descaling bath - Google Patents
A kind of silicon chip of solar cell descaling bath Download PDFInfo
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- CN206935918U CN206935918U CN201720456685.XU CN201720456685U CN206935918U CN 206935918 U CN206935918 U CN 206935918U CN 201720456685 U CN201720456685 U CN 201720456685U CN 206935918 U CN206935918 U CN 206935918U
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- cell body
- silicon chip
- solar cell
- descaling bath
- heater
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Abstract
The utility model provides a kind of silicon chip of solar cell descaling bath, including cell body, the top of the cell body is provided with feed tube and temperature sensor, the side of the cell body is provided with gas blow pipe and heater, one end of the gas blow pipe is stretched into the cell body and is connected with orifice plate, the other end of the gas blow pipe stretches out the cell body and is connected with main air inlet pipe, and one end of the heater is stretched into inside the cell body heats to the liquid inside the cell body.Silicon chip of solar cell descaling bath provided by the utility model, which has, simplifies structure, can reduce production cost, precise control of temperature, improve pickling effect.
Description
Technical field
The utility model belongs to the processing and manufacturing field of silicon chip of solar cell, and in particular to a kind of silicon chip of solar cell
Descaling bath.
Background technology
In recent years, silicon chip of solar cell production technology is constantly progressive, and production cost constantly reduces, and conversion efficiency constantly carries
Height, the application of photovoltaic generation is become increasingly popular simultaneously fast development, be increasingly becoming the important sources of supply of electric power.Solar cell silicon
Piece is a kind of photoelectric cell of energy conversion, and it can be under the irradiation of sunshine, the energy conversion of light into electric energy, so as to real
Existing photovoltaic generation.
Must be through strict cleaning in silicon chip of solar cell production process.Micropollution also results in component failure.Cleaning
Purpose is to remove surface contamination impurity, including organic matter and inorganic matter.These impurity some with state of atom or ionic condition,
Some is in the form of a film or particle form is present in silicon chip surface.Organic contamination includes photoresist, organic solvent residual thing, synthesis
Wax and people contact grease or fiber that device, instrument, vessel are brought.Inorganic pollution includes heavy metal gold, copper, iron, chromium etc., seriously
Influence minority carrier lifetime and surface conductance；Alkali metal such as sodium etc., causes serious drain；Particle contamination include white residue, dust,
Bacterium, microorganism, organic colloid fiber etc., can cause various defects.
At present, Chemical cleaning is commonly used except removal atom, the sightless pollution of ion.The step of Chemical cleaning, is specifically divided into：(1)
Organic solvent → deionized water → inorganic acid → hydrofluoric acid → deionized water；(2) alkaline hydrogen peroxide solution → deionized water →
Acid hydrogen peroxide solution → deionized water.The conventional organic solvent of Wafer Cleaning has toluene, acetone, alcohol etc..Cleaning
The organic solvent such as Cheng Zhong, toluene, acetone, alcohol can utilize grease, rosin, the wax of " similar to mix " principle removing silicon chip surface
Deng organic impurities.Impurity such as magnesium, aluminium, copper, silver, gold, aluminum oxide, magnesia, silica etc. in silicon chip can only utilize nothing
Machine acid removes.Conventional inorganic acid has hydrochloric acid, sulfuric acid, nitric acid and chloroazotic acid., it is necessary to will when carrying out pickling to solar battery sheet
Silicon chip is put into the cell body for filling above-mentioned inorganic acid and cleaned.However, the trough body structure that prior art uses is complicated, temperature control
Make bad, and production cost is higher.
Therefore, it is necessary to propose a kind of new technical scheme.
Utility model content
To solve the above-mentioned deficiency of prior art, the utility model provides a kind of silicon chip of solar cell descaling bath, the acid
Washing trough, which has, simplifies structure, can reduce production cost, precise control of temperature, improve pickling effect.
To reach above-mentioned purpose, the utility model is achieved through the following technical solutions：
A kind of silicon chip of solar cell descaling bath, including cell body, the top of the cell body are provided with feed tube and TEMP
Device, the side of the cell body are provided with gas blow pipe and heater, and one end of the gas blow pipe is stretched into the cell body and connected with orifice plate
Connect, the other end of the gas blow pipe stretches out the cell body and is connected with main air inlet pipe, and the groove is stretched into one end of the heater
Internal portion is heated to the liquid inside the cell body.
Further, suction opeing is offered on the cell body lateral wall, the suction opeing connects with air draft pipe.
Further, overfall is offered on the cell body madial wall, the overfall connects with overflow pipe.
Further, the overflow pipe is connected with liquid level regulation overflow pipe, the first discharging tube and the second discharging tube in turn.
Further, the first tapping valve and the second discharge opeing are respectively equipped with first discharging tube and second discharging tube
Valve.
Further, the liquid level regulation overflow pipe is provided with pneumatic diaphragm valve.
Further, magnetostriction liquidometer and protection liquid level gauge are provided with inside the cell body.
Further, opening is provided with the top of the cell body, the opening both sides are respectively equipped with baffle plate.
Preferably, the heater is immersion heater or quartz heater.
Silicon chip of solar cell descaling bath provided by the utility model, which has, simplifies structure, can reduce production cost, essence
Really control temperature, improve pickling effect.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the orthogonal view of silicon chip of solar cell descaling bath provided by the utility model；
Fig. 2 is the sectional side view of silicon chip of solar cell descaling bath provided by the utility model；
Fig. 3 is the rearview of silicon chip of solar cell descaling bath provided by the utility model.
In figure：1- baffle plates, 2- overfalls, 3- gas blow pipes, 4- heaters, 5- magnetostriction liquidometers, 6- feed tubes, 7-
Suction opeing, 8- temperature sensors, 9- protection liquid level gauges, 10- overflow pipes, the discharging tubes of 11- first, the discharging tubes of 12- second, 13- liquid
Face adjusts overflow pipe.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the premise of creative work
Lower obtained every other embodiment, belong to the scope of the utility model protection.
In the description that the utility model is created, it is to be understood that term " on ", " under ", "left", "right", " top ",
The orientation or position relationship of the instruction such as " bottom ", " interior ", " outer " are based on orientation shown in the drawings or position relationship, merely to just
Create and simplify in description the utility model and describe, rather than indicate or imply that signified device or element must have specifically
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to the utility model create limitation.
In the utility model, unless otherwise clearly defined and limited, the term such as term " connected ", " connection " should be done extensively
Reason and good sense solution, for example, it may be fixedly connected or be detachably connected, or integrally；Can mechanically connect, can also
It is electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, can be two element internals connection or
The interaction relationship of two elements.For the ordinary skill in the art, can understand as the case may be above-mentioned
Concrete meaning of the term in the utility model.
As shown in Figure 1 to Figure 3, the utility model provides a kind of silicon chip of solar cell descaling bath, including cell body, the groove
The top of body is sequentially provided with magnetostriction liquidometer 5, feed tube 6, protection liquid level gauge 9 and temperature sensor 8, liquid from left to right
Flowed into from the feed tube 6 in the cell body, the side of the cell body is provided with heater 4, and the heater 4 is preferably immersion
Heater or quartz heater, one end of the heater 4 is stretched into inside the cell body to be carried out to the liquid inside the cell body
Heating, liquid level subsistence level did not had the heater 4, and the liquid level is monitored by the protection liquid level gauge 9, to protect the heater
4 will not damage because of dry combustion method；Heating-up temperature is monitored by the temperature sensor 8, realizes accurate temperature control, is advantageous to improve acid
Wash effect；The cell body inside liquid level is monitored in real time by the magnetostriction liquidometer 5, and the change of volume is calculated with this
Change.
The side of the cell body is additionally provided with gas blow pipe 3, and the cell body and and main air inlet pipe are stretched out in one end of the gas blow pipe 3
Connection, the other end of the gas blow pipe 3 are stretched into the cell body and are connected with orifice plate, blown by the gas blow pipe 3, the hole
Intensive aperture produces bubble on plate, bubble floating, uniform stirring tank liquid, liquid is contacted with silicon chip more abundant, reacts
It is more uniform.
Suction opeing 7 is offered on the cell body lateral wall, the suction opeing 7 is connected with air draft pipe, passes through the exhausting
Mouth 7 is evacuated, and is advantageous to strengthen the air circulation in groove, is discharged waste gas in time.
Overfall 2 is offered on the cell body madial wall, the overfall 2 connects with overflow pipe 10.The cell body bottom
Overflow pipe 13 is adjusted provided with the first discharging tube 11, the second discharging tube 12 and liquid level, the overflow pipe 10 overflows with liquid level regulation
Flow tube 13, first discharging tube 11, second discharging tube 12 are sequentially connected, first discharging tube 11 and the second row
The first tapping valve and the second tapping valve are respectively equipped with liquid pipe 12, the liquid level regulation overflow pipe 13 is provided with pneumatic diaphragm valve.
Just in case tank liquid liquid level is too high, can be flowed out by the overfall 2, then flowed out by the overflow pipe 10；When
When tank liquor needs part renewal, the pneumatic diaphragm valve on the liquid level regulation overflow pipe 13 is opened, is adjusted and overflow by the liquid level
Flow tube 13 discharges unnecessary decoction, to increase liquid medicine headspace newly；High concentration decoction is directly discharged from first discharging tube 11, clearly
Waste water after washing trough body is that low concentration decoction flows out from second discharging tube 12, the discharge opeing using this liquids double-rows design optimization
System, facilitate waste liquid classified emission.
Opening is provided with the top of the cell body, the opening both sides are respectively equipped with baffle plate 1, and the baffle plate 1 can play dash
Keep off the effect of gas.
Operation principle of the present utility model is as follows：
Liquid is flowed into the cell body from the feed tube 6, and liquid level subsistence level did not had the heater in the cell body
4, the liquid level is monitored by the protection liquid level gauge 9, to protect the heater 4 not damaged because of dry combustion method, is added in the cell body
Hot device 4, which works, heats liquid, and heating-up temperature is monitored by temperature sensor 8 in the cell body, realizes accurate temperature control, favorably
In raising pickling effect；Magnetostriction liquidometer 5 is used to monitor liquid level in real time in the cell body, and volume is calculated with this
Change；Blown by the gas blow pipe 3, intensive aperture produces bubble on the orifice plate, bubble floating, in uniform stirring groove
Liquid, liquid is set to be contacted with silicon chip more abundant, reaction is more uniform；It is evacuated by the suction opeing 7, the sky in groove can be strengthened
The air-flow general character, discharges waste gas in time；It just in case tank liquid liquid level is too high, can be flowed out by the overfall 2, then be overflow by described
Flow tube 10 flows out；When tank liquor needs part to update, the pneumatic diaphragm valve on the liquid level regulation overflow pipe 13 is opened, passes through institute
State liquid level regulation overflow pipe 13 and discharge unnecessary decoction, to increase liquid medicine headspace newly；High concentration decoction is directly from the first row
Liquid pipe 11 is discharged, and the waste water cleaned after cell body is that low concentration decoction flows out from second discharging tube 12, and liquids double-rows system is easy to
Waste liquid is classified.
Above-mentioned silicon chip of solar cell descaling bath, which has, simplifies structure, can reduce production cost, precise control of temperature, carry
High pickling effect.
Described above is preferred embodiment of the present utility model, it is noted that for the ordinary skill of the art
For personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these are improved and profit
Decorations are also considered as the scope of protection of the utility model.
Claims (9)
1. a kind of silicon chip of solar cell descaling bath, it is characterised in that including cell body, the top of the cell body is provided with feed tube
(6) and temperature sensor (8), the side of the cell body are provided with gas blow pipe (3) and heater (4), one end of the gas blow pipe (3)
Stretching into the cell body and be connected with orifice plate, the other end of the gas blow pipe (3) stretches out the cell body and is connected with main air inlet pipe,
One end of the heater (4) is stretched into inside the cell body heats to the liquid inside the cell body.
2. silicon chip of solar cell descaling bath according to claim 1, it is characterised in that opened up on the cell body lateral wall
There is suction opeing (7), the suction opeing (7) connects with air draft pipe.
3. silicon chip of solar cell descaling bath according to claim 1, it is characterised in that opened up on the cell body madial wall
There is overfall (2), the overfall (2) connects with overflow pipe (10).
4. silicon chip of solar cell descaling bath according to claim 3, it is characterised in that the overflow pipe (10) connects successively
It is connected to liquid level regulation overflow pipe (13), the first discharging tube (11) and the second discharging tube (12).
5. silicon chip of solar cell descaling bath according to claim 4, it is characterised in that first discharging tube (11) and
The first tapping valve and the second tapping valve are respectively equipped with second discharging tube (12).
6. silicon chip of solar cell descaling bath according to claim 4, it is characterised in that the liquid level adjusts overflow pipe
(13) it is provided with pneumatic diaphragm valve.
7. silicon chip of solar cell descaling bath according to claim 1, it is characterised in that be provided with mangneto inside the cell body
Flexible liquid level gauge (5) and protection liquid level gauge (9).
8. silicon chip of solar cell descaling bath according to claim 1, it is characterised in that be provided with and open at the top of the cell body
Mouthful, the opening both sides are respectively equipped with baffle plate (1).
9. silicon chip of solar cell descaling bath according to claim 1, it is characterised in that the heater (4) is submergence
Formula heater or quartz heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720456685.XU CN206935918U (en) | 2017-04-27 | 2017-04-27 | A kind of silicon chip of solar cell descaling bath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720456685.XU CN206935918U (en) | 2017-04-27 | 2017-04-27 | A kind of silicon chip of solar cell descaling bath |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206935918U true CN206935918U (en) | 2018-01-30 |
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ID=61359720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720456685.XU Active CN206935918U (en) | 2017-04-27 | 2017-04-27 | A kind of silicon chip of solar cell descaling bath |
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| Country | Link |
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| CN (1) | CN206935918U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110434116A (en) * | 2019-07-31 | 2019-11-12 | 富乐德科技发展（大连）有限公司 | A kind of automatic bubble cleaning system |
| CN112547667A (en) * | 2020-12-28 | 2021-03-26 | 成都晶宝时频技术股份有限公司 | Wafer clamp and cleaning method thereof |
-
2017
- 2017-04-27 CN CN201720456685.XU patent/CN206935918U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110434116A (en) * | 2019-07-31 | 2019-11-12 | 富乐德科技发展（大连）有限公司 | A kind of automatic bubble cleaning system |
| CN112547667A (en) * | 2020-12-28 | 2021-03-26 | 成都晶宝时频技术股份有限公司 | Wafer clamp and cleaning method thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210906 Address after: 215151 No. 17, Shiyang Road, high tech Zone, Suzhou, Jiangsu Patentee after: Suzhou Baoxin Intelligent Manufacturing Co.,Ltd. Address before: 215151 No. 17, Shiyang Road, Hushuguan Economic Development Zone, Suzhou high tech Zone, Suzhou, Jiangsu Patentee before: SUZHOU BOAMAX TECHNOLOGIES INDUSTRIAL Co.,Ltd. |