CN201871511U - Air knife plate, air knife, air knife group and equipment used in wet process of solar cell - Google Patents
Air knife plate, air knife, air knife group and equipment used in wet process of solar cell Download PDFInfo
- Publication number
- CN201871511U CN201871511U CN2010205707285U CN201020570728U CN201871511U CN 201871511 U CN201871511 U CN 201871511U CN 2010205707285 U CN2010205707285 U CN 2010205707285U CN 201020570728 U CN201020570728 U CN 201020570728U CN 201871511 U CN201871511 U CN 201871511U
- Authority
- CN
- China
- Prior art keywords
- air knife
- plate
- knife plate
- air
- retaining liquid
- 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.)
- Expired - Lifetime
Links
Images
Classifications
-
- 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
Landscapes
- Nozzles (AREA)
Abstract
The utility model discloses an air knife plate, an air knife, an air knife group and equipment used in the wet process of a solar cell. A cavity extending in the length direction of the plate is formed at the inner part of the air knife plate; a first air inlet communicated from the outer side of the air knife plate to the inner part of the cavity is formed on one side of the cavity; a plurality of lines of spray orifices distributed in the length direction of the plate are formed on the other side of the cavity; and the cavity is communicated to the outer side of the air knife plate through the plurality of lines of spray orifices. The air knife comprises a connecting pipe, a gas inlet joint and the air knife plate; and the air knife plate is connected with the gas inlet joint through the connecting pipe. The air knife group comprises two air knives symmetrically arranged above and below a work piece; the axis of an air outlet of each air knife is arranged in the vertical direction and deviates from the direction opposite to the movement direction of the work piece. The equipment comprises the air knife group. The air knife plate, the air knife, the air knife group and the equipment have simple structures, can be directly applied in liquid medicine tanks or between the liquid medicine tanks of wet processing equipment of the solar cell, and have the advantages of remarkable liquid retaining effect, low gas consumption, and low needed gas pressure.
Description
Technical field
The utility model relates to solar cell and makes the field, relates to a kind of air knife plate, air knife, air knife group and solar cell wet process equipment particularly.
Background technology
In solar cell wet process process, need to use soup that silicon chip is handled, the workpiece (as silicon chip) after handling through soup need move to next dipper from a dipper.
In the solar cell wet process, the room and time that workpiece shifts between dipper is all more limited, workpiece has just gone out a dipper will enter next dipper, even workpiece is positioned at two dippers simultaneously, be workpiece back half still be positioned at a dipper, the first half of workpiece has entered in another dipper.
In the process that workpiece shifts between dipper, surface of the work can residually have a large amount of soups, even has big medicine amount liquid to flow out along workpiece, has both caused the waste of soup, the cleaning difficulty when increasing next step processing again.Therefore need handle workpiece, remove the residual soup of surface of the work.
Traditional drying equipment is centrifugal drier, need install to silicon chip in the special-purpose silicon box, reinstalls centrifuge and dries.This kind mode need be taken out silicon chip and be put into special centrifugal drier and operate in dipper, can not be directly installed in the solar cell wet process.
Can also adopt air knife to carry out drying in the prior art and stop residual liquid to flow to next process, common air knife structure is to offer a finedraw as air outlet on the air knife plate.There is following defective in prior art: the soup on workpiece more for a long time, and is bad except that the liquid effect, can not effectively remove its surperficial residual liquor, and have the big shortcoming of air consumption.
The utility model content
The technical problems to be solved in the utility model provides a kind of liquid removing device, can be directly installed in the dipper of solar cell wet process or between the dipper, and can remove the residual liquor of surface of the work effectively, prevent that soup is along with workpiece enters down treatment process one.
For addressing the above problem, the utility model provides a kind of air knife plate, described air knife intralamellar part has a cavity along the extension of plate length direction, one side of described cavity offers by first air inlet of described air knife plate outside conducting to the described cavity, it is characterized in that, the opposite side of described cavity offers the spray orifice that multirow is arranged along the plate length direction, and described cavity is by the extremely described air knife plate of the described multirow spray orifice conducting outside.
As preferably, described spray orifice is two row, and described two row spray orifices dislocation are arranged and evenly are provided with along the plate length direction of described air knife plate.
Preferably, the aperture of described spray orifice is 0.15～0.5mm, and the spacing between the described spray orifice of every row is 8～15 times of described aperture.
Preferably, described first air inlet is arranged on described air knife plate along on the side that the plate length direction stretches, and described spray orifice is arranged on another side relative with described first air inlet.
Preferably, described first air inlet is a groove that extends along the plate length direction of described air knife plate.
Further, be provided with ribs in the described cavity perpendicular to described groove.
The utility model also provides a kind of retaining liquid air knife, comprises a tube connector and an inlet suction port, it is characterized in that, also comprises aforesaid any one air knife plate; The two ends of described tube connector are provided with the plug that is used to seal described tube connector two ends, offer the air outlet and second air inlet on its tube wall relatively, described tube connector is connected with described air knife plate along described air knife plate plate length direction, the described first air inlet conducting of the described air outlet of described tube connector and described air knife plate; Described inlet suction port is connected with described second air inlet.
As preferably, the material of described air knife plate and tube connector is polyvinyl chloride, polybutylene terephthalate (PBT), Kynoar or polytetrafluoroethylene (PTFE).
As preferably, described air knife plate bonding or be welded on the described tube connector.
The utility model also provides a kind of retaining liquid air knife group, it is characterized in that, comprises two aforesaid any one retaining liquid air knives; Two symmetrical respectively above and belows that are installed in the workpiece of horizontal movement of described retaining liquid air knife, the axis of the exhaust vent of each described retaining liquid air knife vertically is provided with and is partial to the opposite direction of described workpiece motion s.
As preferably, the axis of the exhaust vent of each described retaining liquid air knife and the corner dimension of vertical direction are 5 °～15 °.
The utility model also provides a kind of solar cell wet process equipment, it is characterized in that, comprises any one above-mentioned retaining liquid air knife group.
The utlity model has following beneficial effect: simple in structure, can directly apply in the dipper of solar cell wet process equipment or between the dipper; The effect that stops residual liquid is obvious, and air consumption is lower, and the gas pressure of demand is lower.
Description of drawings
Fig. 1 is that the master of the air knife plate of the utility model embodiment looks schematic diagram (position of spray orifice is represented with short drawing among the figure);
Fig. 2 be Fig. 1 overlook enlarged diagram (from the spray orifice direction);
Fig. 3 is the profile of Fig. 2 along the A-A direction;
Fig. 4 is that the master of the retaining liquid air knife of the utility model embodiment looks schematic diagram (position of spray orifice is represented with short drawing among the figure);
Fig. 5 is the profile of Fig. 4 along the C-C direction;
Fig. 6 is the schematic top plan view (from air outlet) of tube connector among Fig. 4;
Fig. 7 is the profile of Fig. 6 along the B-B direction;
Fig. 8 is the scheme of installation of the retaining liquid air knife group of the utility model embodiment;
Fig. 9 is the enlarged diagram (arrow is represented the direction of motion of workpiece among the figure) that keeps off the installation of liquid air knife of Fig. 8.
The specific embodiment
Describe embodiment of the present utility model with reference to the accompanying drawings in detail.
Fig. 1 is that the master of the air knife plate of the utility model embodiment looks schematic diagram (position of spray orifice is represented with short drawing among the figure); Fig. 2 be Fig. 1 overlook enlarged diagram (from the spray orifice direction); Fig. 3 is the profile of Fig. 2 along the A-A direction.
As shown in Figure 1-Figure 3, air knife plate 1 of the present utility model, air knife plate 1 inside has a cavity 13 along the extension of plate length direction, one side of cavity 13 offers by the outside conducting of air knife plate 1 first air inlet to the cavity 13, the opposite side of cavity 13 offers a plurality of spray orifices 11 that two row are arranged along the plate length direction, and cavity 13 is by the outside of two row spray orifices, 11 conductings to air knife plate 1.In the present embodiment, first air inlet is that spray orifice 11 is opened in the relative opposite side of groove 12 along the groove 12 of the plate length direction extension of air knife plate 1.During work, compressed air is that groove 12 enters cavity 13 from first air inlet, from a plurality of spray orifice 11 ejections, blows to workpiece then.
As shown in Figure 2, a plurality of spray orifices 11 of every row evenly are provided with along the plate length direction, and as preferred version, in the present embodiment, the aperture of spray orifice 11 is 0.2mm, and those skilled in the art can select according to actual conditions between 0.15～0.5mm certainly.More little at this scope internal orifice dimension, air consumption is few more; And with under the equal pressure, the gas flow rate in the more little spray orifice 11 in aperture is high more, and the power that acts on the residual liquid on the surface of the work is also just big more.Optimum aperture is relevant with the size and the material of workpiece, in the reality repeatedly testing experiment determine the optimum aperture.The employing dislocation arrangement mode of two row spray orifices of retaining liquid air knife of the present utility model can effectively reduce air consumption; 11 of tiny spray orifices need the Compressed Gas of lower pressure can reach higher air velocity, select 0.15～0.3Mpa usually, effectively reduce the energy consumption of Compressed Gas process.
In order to guarantee to discharge in the spray orifice 11 the purging effect of gas, in the present embodiment, the pitch of holes between two adjacent spray orifices 11 of every capable spray orifice is 8 times of aperture.Certainly, pitch of holes can be selected between 8～15 times of aperture, and just pitch of holes is more little, and spray orifice is just close more, and the gas output of unit interval is just big more.
Intensity for the cavity 13 of strengthening air knife plate 1 is provided with the ribs 2 perpendicular to groove 12 in cavity.
Fig. 4 is that the master of the retaining liquid air knife of the utility model embodiment looks schematic diagram (position of spray orifice is represented with short drawing among the figure); Fig. 5 is the profile of Fig. 4 along the C-C direction; Fig. 6 is the schematic top plan view (from air outlet) of the tube connector among Fig. 4; Fig. 7 is the profile of Fig. 6 along the B-B direction.
As Fig. 4, shown in Figure 5, the retaining liquid air knife of the utility model embodiment comprises inner be the air knife plate 1 of cavity, tube connector 3, inlet suction port 4; Air knife plate 1 is connected by tube connector 3 with inlet suction port 4.In the present embodiment, as preferably, the two ends of tube connector 3 are by plug 5 sealings.
As Fig. 5-shown in Figure 7, in the present embodiment, a side of tube connector 3 offers a plurality of air outlets 31, and the opposite side of tube connector 3 offers second air inlet 32 that communicates with inlet suction port 4.The opposite side relative with spray orifice 11 of air knife plate 1 offers the groove 12 that the air outlet 31 with tube connector 3 is conducted.Mode by bonding between air knife plate 1 and the tube connector 3 is connected, and forms tack line 35 in air knife plate 1 and tube connector 3 intersections.In real work, inlet suction port 4 is connected with pipeline, and compressed air enters tube connector 3 through gas joint 4, second air inlet 32 in pipeline, and the effect of tube connector 3 is to make that to flow to the air pressure of air knife plate 1 from air outlet 31 even.In the present embodiment, offer one second air inlet 32 on the tube connector 3, and correspondence is equipped with an inlet suction port 4; Certainly in implementing, reality can also offer a plurality of second air inlets 32.
The mode that the spray orifice 11 of air knife plate 1 adopts the duplicate rows dislocation to arrange, can increase the pressure of eluting gas, the spray orifice 11 of dislocation makes the compressed air that blows out can effectively cover workpiece, thereby barrier liquid flows through effectively, liquid residual on the workpiece is blown back in the dipper, prevent residual liquid on the surface of the work along with workpiece enters next dipper.In addition, finedraw of spray orifice 11 and available technology adopting that duplicate rows dislocation is arranged is compared as the air-out mode of air outlet, single spray orifice air output less, also less to the active force of workpiece, be suitable for frivolous, frangible workpiece.In addition, a plurality of spray orifices are difficult for deforming at process apoplexy knife plate also than the easier processing of wall scroll finedraw.
As preferred version, each parts of the retaining liquid air knife in the present embodiment, as air knife plate, tube connector, inlet suction port etc. are made by plastics.Material as air knife plate and tube connector is polyvinyl chloride, polybutylene terephthalate (PBT), Kynoar or polytetrafluoroethylene (PTFE).These materials have good corrosion resistant performance, can tolerate the corrosion of the various soups in the solar cell wet process, and have certain intensity and hardness, can be directly installed on the inside of dipper.
Fig. 8 is the scheme of installation of the retaining liquid air knife group of the utility model embodiment; Fig. 9 is the enlarged diagram (arrow is represented the direction of motion of workpiece among the figure) that keeps off the installation of liquid air knife of Fig. 8.
As Fig. 8, shown in Figure 9, the retaining liquid air knife group of the utility model embodiment comprises two aforesaid any retaining liquid air knives 7, in the dipper 81 in the retaining liquid air knife group installation solar cell wet process; Workpiece 7 is transported from dipper 81 levels by transmission device 72, is sent to dipper 82 and is for further processing.Two retaining liquid air knife 7 symmetrical respectively above and belows that are installed in the workpiece 70 of horizontal movement, the opposite direction of 90 settings vertically of the axis 91 of the exhaust vent of each retaining liquid air knife 7 and deflection workpiece motion s.The inlet suction port of each retaining liquid air knife 7 all links to each other with supply air line 74 by pressure-regulating valve 73, and the direction of the exhaust vent of each retaining liquid air knife 7 is setovered towards workpiece 70 and to the opposite direction of workpiece 7 motions.The compressed air that blows out from exhaust vent blows back dipper 81 to the most of residual liquid on the workpiece 70, and the evaporation of part soup stops soup to flow to next process effectively.
In the present embodiment, the axis 91 of the exhaust vent of each retaining liquid air knife 7 is 10 ° with the scope of the angle α of vertical direction 90.The preferable range of angle α is 5 °～15 °, and during actual enforcement, the optimal value of α need be determined by test according to exhaust vent 11 and the distance of workpiece 70 and the character of workpiece 70.Like this, the high-speed air from the exhaust vent ejection just can blow back dipper 81 to the residual liquid of taking out of on the surface of the work to greatest extent from dipper 81.Two retaining liquid air knives 7 are symmetricly set on the above and below of workpiece 70, and the active force in the vertical direction that acts on the workpiece 70 is cancelled out each other, and is suitable for frivolous, frangible workpiece, as laminar workpiece such as silicon chip, sheet glass sheets.Retaining liquid air knife group of the present utility model barrier liquid is effectively brought into next process by workpiece, when the speed that moves ahead of workpiece reaches 1.5m/min, still has good retaining liquid effect.Certainly, the solar cell wet process equipment that above-mentioned retaining liquid air knife group is installed also has above-mentioned retaining liquid effect.
According to the needs of actual condition, a plurality of above-mentioned retaining liquid air knife groups can also be installed side by side to strengthen the effect of barrier liquid.
Certainly; the above is a preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also are considered as protection domain of the present utility model.
Claims (12)
1. air knife plate, described air knife intralamellar part has a cavity along the extension of plate length direction, one side of described cavity offers by first air inlet of described air knife plate outside conducting to the described cavity, it is characterized in that, the opposite side of described cavity offers the spray orifice that multirow is arranged along the plate length direction, and described cavity is by the extremely described air knife plate of the described multirow spray orifice conducting outside.
2. air knife plate as claimed in claim 1 is characterized in that, described spray orifice is two row, and described two row spray orifices dislocation are arranged and evenly are provided with along the plate length direction of described air knife plate.
3. air knife plate as claimed in claim 1 is characterized in that, the aperture of described spray orifice is 0.15～0.5mm, and the spacing between the described spray orifice of every row is 8～15 times of described aperture.
4. air knife plate as claimed in claim 1 is characterized in that, described first air inlet is arranged on described air knife plate along on the side that the plate length direction stretches, and described spray orifice is arranged on another side relative with described first air inlet.
5. air knife plate as claimed in claim 4 is characterized in that, described first air inlet is a groove that extends along the plate length direction of described air knife plate.
6. air knife plate as claimed in claim 5 is characterized in that, is provided with the ribs perpendicular to described groove in the described cavity.
7. a retaining liquid air knife comprises a tube connector and an inlet suction port, it is characterized in that, also comprises an air knife plate as claimed in claim 1;
The two ends of described tube connector are provided with the plug that is used to seal described tube connector two ends, offer the air outlet and second air inlet on its tube wall relatively, described tube connector is connected with described air knife plate along described air knife plate plate length direction, the described first air inlet conducting of the described air outlet of described tube connector and described air knife plate; Described inlet suction port is connected with described second air inlet.
8. retaining liquid air knife as claimed in claim 7 is characterized in that the material of described air knife plate and tube connector is polyvinyl chloride, polybutylene terephthalate (PBT), Kynoar or polytetrafluoroethylene (PTFE).
9. retaining liquid air knife as claimed in claim 7 is characterized in that, described air knife plate bonds or is welded on the described tube connector.
10. a retaining liquid air knife group is characterized in that, comprises two as any described retaining liquid air knife of claim 7-9;
Two symmetrical respectively above and belows that are installed in the workpiece of horizontal movement of described retaining liquid air knife, the axis of the exhaust vent of each described retaining liquid air knife vertically is provided with and is partial to the opposite direction of described workpiece motion s.
11. retaining liquid air knife group as claimed in claim 10 is characterized in that the axis of the exhaust vent of each described retaining liquid air knife and the corner dimension of vertical direction are 5 °～15 °.
12. a solar cell wet process equipment is characterized in that, comprises claim 10 or 11 described retaining liquid air knife groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205707285U CN201871511U (en) | 2010-10-18 | 2010-10-18 | Air knife plate, air knife, air knife group and equipment used in wet process of solar cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205707285U CN201871511U (en) | 2010-10-18 | 2010-10-18 | Air knife plate, air knife, air knife group and equipment used in wet process of solar cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201871511U true CN201871511U (en) | 2011-06-22 |
Family
ID=44159445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205707285U Expired - Lifetime CN201871511U (en) | 2010-10-18 | 2010-10-18 | Air knife plate, air knife, air knife group and equipment used in wet process of solar cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201871511U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113154862A (en) * | 2021-02-26 | 2021-07-23 | 刘曼曼 | Electronic circuit board assembly piston drying air knife |
| CN114001544A (en) * | 2021-11-29 | 2022-02-01 | 迅得科技(广东)有限公司 | Even air-out can dismantle air knife |
-
2010
- 2010-10-18 CN CN2010205707285U patent/CN201871511U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113154862A (en) * | 2021-02-26 | 2021-07-23 | 刘曼曼 | Electronic circuit board assembly piston drying air knife |
| CN113154862B (en) * | 2021-02-26 | 2022-07-15 | 东莞汇和电子有限公司 | Electronic circuit board assembly piston drying air knife |
| CN114001544A (en) * | 2021-11-29 | 2022-02-01 | 迅得科技(广东)有限公司 | Even air-out can dismantle air knife |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103028570B (en) | Intelligent robot cleaning center | |
| CN201871511U (en) | Air knife plate, air knife, air knife group and equipment used in wet process of solar cell | |
| CN203389480U (en) | Dust removing system | |
| CN202028315U (en) | Horizontal type washing tank | |
| CN214861260U (en) | Self-cleaning type vacuum flash tank | |
| CN201832809U (en) | Air knife, air knife tackle and apparatus used in wet process of solar cells | |
| CN208372853U (en) | Desulfurizing tower jet mixing system | |
| CN201529478U (en) | Highly-efficient scrubber | |
| CN203295210U (en) | Ammonia gas recovering system | |
| CN211077112U (en) | Prevent mouth of pipe structure of vortex production | |
| CN206793936U (en) | Cyclone separator with cleaning device | |
| CN206229044U (en) | A kind of duplex switch filtering device | |
| CN212747155U (en) | Metal drum inner chamber drying equipment | |
| CN107639839A (en) | A kind of shower nozzle cleaning plant of 3D printer | |
| CN203417556U (en) | Novel scrubbing dedusting water seal | |
| CN202036915U (en) | Dust removal equipment | |
| CN202449622U (en) | Rubber plug conveying system between rubber plug cleaning machine and encapsulation plug feeding machine | |
| CN207751386U (en) | Machine cleaning platform in a kind of heat exchanger | |
| CN202449819U (en) | Rubber plug cleaning and filling and plugging linkage line | |
| CN214861957U (en) | Reverse-spraying type pulse bag dust collector capable of cleaning dust online | |
| CN201115813Y (en) | Pneumatic power desulfurizing tower | |
| CN203140342U (en) | Ultrahigh pressure water jetting and membrane removal washing device | |
| CN216460568U (en) | Spout board device suitable for PCB board | |
| CN208527608U (en) | A kind of bottle type container avoiding jetting mechanism | |
| CN216989064U (en) | Water spray blow-dry device in sealed packaging bottle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110622 |