CN202933535U - Automatic slurry filter device - Google Patents
Automatic slurry filter device Download PDFInfo
- Publication number
- CN202933535U CN202933535U CN 201220661879 CN201220661879U CN202933535U CN 202933535 U CN202933535 U CN 202933535U CN 201220661879 CN201220661879 CN 201220661879 CN 201220661879 U CN201220661879 U CN 201220661879U CN 202933535 U CN202933535 U CN 202933535U
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Abstract
The utility model relates to an automatic slurry filter device. The automatic slurry filter device comprises an unfiltered slurry storage tank and a filtered slurry storage tank communicated with the unfiltered slurry storage tank, wherein both the unfiltered slurry storage tank and the filtered slurry storage tank are sealed, the unfiltered slurry storage tank and the filtered slurry storage tank are separated by a cushion plate with holes, and a filter screen is paved on the cushion plate; the filtered slurry storage tank is provided with a vacuumizing port, a scraping plate capable of being rotated and hoisted is suspended in the unfiltered slurry storage tank, a scraping strip parallel with the scraping plate is clamped on the scraping plate, and the scraping strip is perpendicularly pasted with a filter screen; and to-be-filtered slurry in the unfiltered slurry storage tank is pressed to pass through the filter screen when the scraping plate and the scraping strip of the scraping plate are rotated on the filter screen, and the filtered slurry storage tank is vacuumized to be in a negative pressure state by the vacuumizing port, so that the slurry is absorbed into the filtered slurry storage tank after passing through the filter screen. The automatic slurry filter device is mainly used for filtering aluminum slurry and silver slurry with high viscosity of solar batteries. According to the automatic slurry filter device, the manual labor is saved, the work efficiency is improved, and the production cost is greatly reduced.
Description
Technical field
The utility model relates to material filtering systems technology field, especially relates to a kind of used for solar batteries aluminium paste, silver slurry environment-friendly type automatic filtering system.
Background technology
Filter is mainly used in Separation of Solid and Liquid, separates in water-based, oil-based solvent as solid particle.General filter is to add screen pack (as nylon, terylene, wire netting) in the bottom of the container of contain slurry, and the material that then will filter is poured on it is flowed down.For full-bodied aluminium paste, silver slurry, want to make material to be filtered to reach predetermined solid-liquid separation effect under normal pressure, must be by the artificial scraper plate extruding slurry on screen pack of using when filtering, just can remove by filter in aluminium paste, silver slurry a little particle, sheet-like particle and other foreign material that contain because of aluminium and silver metal particles particle size distribution range outward, make the larger or solid particle different shape of particle diameter remain in screen surface, aluminium paste, the silver slurry through strainer filtering just can reach the grain fineness requirement like this.
The mode that this manual compression is filtered is generally carried out in uncovered utensil, and in component, the volatilization of organic solvent makes aluminium paste, silver-colored slurry viscosity after filtration change to some extent, and the various component proportions in aluminium paste, silver slurry are corresponding changing also.Filtration time is longer, and viscosity is larger, filters more difficult carrying out.The more important thing is, in aluminium paste, silver slurry, the variation of various component proportions, in the time of making it carry out serigraphy on silicon chip of solar cell, cause the bad phenomenon such as the slurry levelability is poor, uneven thickness, affects the quality of solar cell flake products.Skin, eyes and respiratory tract that the organic solvent gas that volatilizes when meanwhile, press filtration operates pollutes workshop air and stimulates the infringement operating personnel.Therefore, must there be good compound ventilation air-changing device in the workshop, in time discharges organic solvent gas, and absorbs with the absorption tower that active carbon is housed, and needs the periodic replacement active carbon, will increase like this expense and the energy input of buying auxiliary equipment.In addition, press filtration can only carry out Batch Process, and operating efficiency is lower.
The utility model content
For the problems referred to above that prior art exists, the applicant provides a kind of slurry automatic filtering unit.This device is mainly used in filtering the filtration of used for solar batteries high viscosity aluminium paste, silver slurry, has not only saved manually, has improved operating efficiency, and has greatly reduced production cost.
The technical solution of the utility model is as follows:
A kind of slurry automatic filtering unit comprises that the front slurry basin of filtration reaches and the filtration disposed slurry basin of its UNICOM, and before described filtration, slurry basin and filtration disposed slurry basin all seal; Separated by a backing plate with holes between slurry basin and filtration disposed slurry basin before described filtration, lay screen pack on backing plate; Described filtration disposed slurry basin has vacuum orifice; Hang the scraper plate of rotatable and lifting before described filtration in the slurry basin, accompany the scraping article parallel with scraper plate on scraper plate, and the applying vertical with described screen pack of described scraping article; When described scraper plate and scraping article thereof rotate on described screen pack, slurry to be filtered in slurry basin before filtering was pressed screen pack, and will filter the disposed slurry basin by described vacuum orifice and be pumped into negative pressure state, filter the disposed slurry basin in order to attract simultaneously slurry to flow into from screen pack.
Described scraping article is with angle, and the angle of described scraping article is greater than zero degree, and less than 180 degree, as being 30-degree angle, perhaps 45 spend the angle.
The technique effect that the utility model is useful is:
(1) the whole filter process of slurry to be filtered carries out in closed system, greatly reduced the volatilization of organic solvent in the slurry, therefore the viscosity-modifying of slurry before and after whole the filtration is not obvious, each component proportion is also without significant change, the serigraphy performance of slurry on silicon chip of solar cell is also unaffected, has guaranteed its product quality.
(2) this plant operator skill is simple, generally work at normal temperatures, and slurries filtration is effective, can selects filter screen order number according to the fineness requirement of slurry, overcome the phenomenon such as show-through on the network blocking when follow-up serigraphy of press filtration slurry, stock, and improved the levelability of slurry.
(3) filter operation that makes slurry of this device is carried out in the sealing utensil, has basically solved organic solvent volatilization and the emission problem of slurry when filtering, namely need not buy ventilation unit and other auxiliary equipment, has reduced the expense of equipment, energy consumption aspect.
Description of drawings
Fig. 1 is this filter overall structure schematic diagram;
Fig. 2 is this filter scraper plate top view;
Fig. 3 is this filter scraper plate front view;
Fig. 4 is this filter scraper plate profile;
Fig. 5 is this filter screen pack top view;
Fig. 6 is this filter screen pack installation diagram.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is specifically described.As shown in Figure 1, this filter main part arranges a slurry basin 1 to be filtered at highest point, its underpart is provided with inlet valve 9, before filtering, first aluminium paste, silver slurry are put into slurry basin 1 to be filtered, during filtration, open inlet valve 9, aluminium paste to be filtered, silver slurry namely flow into the filtering tank 2 of below.
The rotor segment 4 of variable-ratio is equipped with in filtering tank 2 inside, see shown in Fig. 1 ~ 4, described rotor segment 4 is comprised of two scraper plates, these two scraper plates are arranged on stainless steel by bolt and stir on fixture 17, stainless steel stirs fixture 17 and is connected with speed change stirring motor 8 by stirring connector 10, can rotate under the drive of speed change stirring motor 8.All accompany the scraping article 18 that material is polyurethane on every scraper plate, scraping article 18 is with angle, as 30 degree angle or miter angles.Scraping article 18 is fixing by scraping board clamp 19, squeezes into screw and can carry out it fastening in scraping board clamp screw 20.Scrape between board clamp 19 and scraper plate fixing by fastening screw 21.Rotor segment 4 can oscilaltion, at aluminium paste, when the silver slurry filters, polyurethane is revolved scraping article 18 to be close on stainless steel cloth 6, after the slurry that needs to filter enters filtering tank 2, can be intermittently and continuous stirring (rotating speed is at 20 ~ 30 rev/mins), make like this slurry press smooth and easy the flowing down of energy under the negative-pressure adsorption of scraping with finished product slurry basin 3 in the rotation of scraping article 18.
The external water ring vacuum pump 7 of finished product slurry basin 3 is equipped with vacuum meter 13 and atmospheric valve 11 between finished product slurry basin 3 and water ring vacuum pump 7.Finished product slurry basin 3 must have good compressive resistance, in case when negative-pressure operation the basin body deformability.After slurry to be filtered enters filtering tank 2, can open water ring vacuum pump 7, open simultaneously vacuum tube valve 16, close atmospheric valve 11, make the interior formation negative pressure of finished product slurry basin 3, this negative-pressure adsorption slurry make its from tank flow down through filter screen swimmingly.Described water ring vacuum pump 7 can utilize running water or the water of discharging from pump recycles after entering tank, has therefore saved the water source, and whole operating process without sewage discharge.
Before filtration, close each valve of solar cell aluminium paste, silver slurry environmental protection automatic filtering unit, the slurry viscosity that needs to filter should be within the specific limits, can directly satisfy the requirement of finished product slurry viscosity after this spline filter.The slurry that first will filter during operation is inserted slurry basin 1 to be filtered, whether the rotor segment 4 that checks filtering tank is down to stainless steel cloth 6, low speed of agitator is set, make the polyurethane tape angle scraping article 18(scraping article hardness can not be too high) can normally rotate to scrape and cover on stainless steel cloth 6, the direction of rotation no requirement (NR).
Check complete after, open slurry basin inlet valve 9 to be filtered, make slurry enter filtering tank 2.Then open water ring vacuum pump 7 and vacuum tube valve 16, show finished product slurry basin 3 interior negative pressure numerical value from vacuum meter 13.When water ring vacuum pump 7 running hours, the slurry of filtering tank 2 flows into the finished product slurry basin 3 of bottom through stainless steel supporting plate 5 under the constant negative pressure of finished product slurry basin 3.In this process, the main carrying of stainless steel supporting plate 5 stainless steel cloth 6, and exempt from destruction when making its slurry weight of bearing filtering tank 2 and bottom negative-pressure sucking.Meanwhile, when opening rotor segment 4, notice that rotating speed can not be too fast, rotatablely move above stainless steel cloth by the polyurethane scraping article 18 on scraper plate, can make the part slurry reach the effect of fast filtering by scraping effect, and continue to shift bulky grain and the different shape thing that is deposited on the silk screen surface, guarantee the unimpeded of slurries filtration.
Finished product slurry basin 3 arranges a blast fence 14 in the position that is positioned at the vacuum tube entrance, be inhaled into vacuum tube to avoid slurry; Finished product slurry basin 3 bottom discharge mouths are installed a finished product bleeder valve 12, when the full finished product slurry of finished product slurry basin 3 interior storages, open finished product bleeder valve 12 and get final product discharging.Stainless steel cloth 6 need regularly clean or replace according to filtration yield, its order number depending on slurry fineness requirement.Because this operating process is carried out in closed system, the organic solvent-free volatilization has significantly improved operating personnel's working environment, has reduced environmental pollution.
Claims (2)
1. a slurry automatic filtering unit, comprise that the front slurry basin of filtration reaches and the filtration disposed slurry basin of its UNICOM, it is characterized in that:
Before described filtration, slurry basin and filtration disposed slurry basin all seal; Separated by a backing plate with holes between slurry basin and filtration disposed slurry basin before described filtration, lay screen pack on backing plate; Described filtration disposed slurry basin has vacuum orifice;
Hang the scraper plate of rotatable and lifting before described filtration in the slurry basin, accompany the scraping article parallel with scraper plate on scraper plate, and the applying vertical with described screen pack of described scraping article;
When described scraper plate and scraping article thereof rotate on described screen pack, slurry to be filtered in slurry basin before filtering was pressed screen pack, and will filter the disposed slurry basin by described vacuum orifice and be pumped into negative pressure state, filter the disposed slurry basin in order to attract simultaneously slurry to flow into from screen pack.
2. slurry automatic filtering unit according to claim 1, is characterized in that described scraping article with angle, and the angle of described scraping article is greater than zero degree, less than 180 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220661879 CN202933535U (en) | 2012-12-05 | 2012-12-05 | Automatic slurry filter device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220661879 CN202933535U (en) | 2012-12-05 | 2012-12-05 | Automatic slurry filter device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202933535U true CN202933535U (en) | 2013-05-15 |
Family
ID=48317797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220661879 Expired - Lifetime CN202933535U (en) | 2012-12-05 | 2012-12-05 | Automatic slurry filter device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202933535U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103752076A (en) * | 2014-01-29 | 2014-04-30 | 北京七星华创电子股份有限公司 | Filtering equipment containing impurities and silver paste and filtering method thereof |
| CN105597393A (en) * | 2014-11-21 | 2016-05-25 | 上海太阳能工程技术研究中心有限公司 | Silver paste filtering device |
| CN109529424A (en) * | 2018-11-01 | 2019-03-29 | 上海匡宇科技股份有限公司 | Silver paste filter device |
-
2012
- 2012-12-05 CN CN 201220661879 patent/CN202933535U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103752076A (en) * | 2014-01-29 | 2014-04-30 | 北京七星华创电子股份有限公司 | Filtering equipment containing impurities and silver paste and filtering method thereof |
| CN103752076B (en) * | 2014-01-29 | 2016-01-20 | 北京七星华创电子股份有限公司 | A kind of filter plant of impure silver slurry and filter method thereof |
| CN105597393A (en) * | 2014-11-21 | 2016-05-25 | 上海太阳能工程技术研究中心有限公司 | Silver paste filtering device |
| CN109529424A (en) * | 2018-11-01 | 2019-03-29 | 上海匡宇科技股份有限公司 | Silver paste filter device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130515 |
|
| CX01 | Expiry of patent term |