CN202246089U - Silica powder recovering device - Google Patents
Silica powder recovering device Download PDFInfo
- Publication number
- CN202246089U CN202246089U CN2011203942961U CN201120394296U CN202246089U CN 202246089 U CN202246089 U CN 202246089U CN 2011203942961 U CN2011203942961 U CN 2011203942961U CN 201120394296 U CN201120394296 U CN 201120394296U CN 202246089 U CN202246089 U CN 202246089U
- Authority
- CN
- China
- Prior art keywords
- waste water
- thickener
- silica flour
- membrane
- trough
- 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 - Fee Related
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
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- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model discloses a silica powder recovering device comprising a waste water homogenizing trough, a filtering device, a dehydration device and a recycling water trough, wherein the filtering device comprises a waste water concentration trough and a tube-type film connected with the waste water concentration trough; the dehydration device is connected with the water concentration trough, and comprises a sludge concentration trough and a pressure filer connected with the sludge concentration trough; the waste water homogenizing trough is connected with the waste water concentration trough; and the tube-type film is connected with the recycling water trough. Through the adoption of the method, the silica powder recovering device has the advantages that the operation is stable; blockage cannot be caused by sludge easily; the cleaning is convenient; the power consumption is relatively lower; the management is convenient; and the silica powder recovering efficiency can be improved effectively.
Description
Technical field
The utility model relates to field of waste water treatment, particularly relates to a kind of silica flour retrieving arrangement.
Background technology
Silicon is important material in the photovoltaic industry, and the silicon chip cutting is one of important procedure in producing.Along with reshuffling and the lasting decline of profit of solar silicon wafers cutting industry, silicon chip cutting enterprise must control material consumption, reduces production costs.One of the most feasible way is exactly to the silica flour regenerated using in the three big auxiliary materials.Through regenerated using, can make the cost of silica flour reduce at least 50% to mortar.So each large enterprises, research unit etc. have strengthened research input and dynamics at the technical elements of mortar regeneration, silica flour recovery in recent years, make every effort to break through.At present; The method of promoting the use of mainly contains: chemical precipitation method, filter core or bag type filtering, hollow-fibre membrane reclaim, electricity flocculates etc.; There is various shortcoming in existing precipitation technology; For example chemical precipitation is handled: the particle of silica flour is minimum in the mortar waste water, even if interpolation coagulating agent and coagulant aids still can't obtain sedimentation effect preferably, poor processing effect; The simple filtration of filter element filtering or bag filter is handled: filter core or filter bag cause holding back weak effect because of its aperture limitation, and flux is little, is prone to stop up; The hollow-fibre membrane recycling: effective but easy dirt is blocked up, and cleans back flux difficulty and recovers, and the film silk is easily broken; Electricity flocculation recycling: power consumption is bigger.
The utility model content
The technical problem that the utility model mainly solves provide a kind of stable, be difficult for dirty stifled, cleaning is convenient, power consumption is relatively low, bookkeeping silica flour retrieving arrangement easily, can effectively improve the silica flour organic efficiency.
For solving the problems of the technologies described above; The technical scheme that the utility model adopts is: a kind of silica flour retrieving arrangement is provided; Comprise: waste water homogeneous groove, filtration unit, dewatering unit and reuse tank; Said filtration unit comprises waste water thickener and the tubular membrane that is connected with the waste water thickener, and said dewatering unit is connected with the waste water thickener, and said dewatering unit comprises mud thickener and the pressure filter that is connected with the mud thickener; Said waste water homogeneous groove is connected with the waste water thickener, and said tubular membrane is connected with the reuse tank.
In preferred embodiment of the utility model, said waste water homogeneous groove, waste water thickener, tubular membrane are connected through pipeline with the reuse tank successively.
In preferred embodiment of the utility model, be connected with driving pump between said waste water homogeneous groove and the waste water thickener, be connected with driving pump between said waste water thickener and the tubular membrane, be connected with driving pump between said mud thickener and the pressure filter.
In preferred embodiment of the utility model, be connected with silica flour on the said pressure filter and reclaim the precision processing device.
In preferred embodiment of the utility model, the filter membrane in the said tubular membrane can be microfiltration membrane, ultra-filtration membrane, nf membrane or reverse osmosis membrane.
In preferred embodiment of the utility model, said pressure filter is a plate-and-frame filter press.
The beneficial effect of the utility model is: the utility model silica flour retrieving arrangement can have mortar waste water is carried out mud-water separation, and the silicon in the isolated mud cake is recycled, and water can collect the miscellaneous water of doing on-site and use; The entire treatment process need not carried out pre-treatment and added any medicament, all is physical sepn, and running maintenance is simple; Can be designed to fully automatic operation, system can change operation over to and need not the steady stage from standby at any time, and it is dirty stifled that tubular membrane is difficult for; And easy the cleaning recovered flux, installs to be frame structure, and floor space is little; Enlarging is convenient, can or increase film quantity through simple increase frame and obtain more big yield.
Description of drawings
Fig. 1 is the structural representation of the utility model silica flour retrieving arrangement one preferred embodiment;
The mark of each parts is following in the accompanying drawing: 1, waste water homogeneous groove, 2, the waste water thickener, 3, tubular membrane, 4, the mud thickener, 5, pressure filter, 6, backwater uses groove, 7, driving pump, 8, silica flour reclaims the precision processing device.
Embodiment
Below in conjunction with accompanying drawing the preferred embodiment of the utility model is set forth in detail, thereby the protection domain of the utility model is made more explicit defining so that advantage of the utility model and characteristic can be easier to it will be appreciated by those skilled in the art that.
See also Fig. 1; A kind of silica flour retrieving arrangement comprises: waste water homogeneous groove 1, filtration unit, dewatering unit and reuse tank 6, said filtration unit comprise waste water thickener 2 and the tubular membrane 3 that is connected with waste water thickener 2; Said dewatering unit is connected with waste water thickener 2; Said dewatering unit comprises mud thickener 4 and the pressure filter 5 that is connected with mud thickener 4, and said waste water homogeneous groove 2 is connected with waste water thickener 1, and said tubular membrane 3 is connected with reuse tank 6.
In addition, said waste water homogeneous groove 1, waste water thickener 2, tubular membrane 3 and reuse tank 6 are connected through pipeline successively.
In addition, be connected with driving pump 7 between said waste water homogeneous groove 1 and the waste water thickener 2, be connected with driving pump 7 between said waste water thickener 2 and the tubular membrane 3, be connected with driving pump 7 between said mud thickener 4 and the pressure filter 5.
In addition, be connected with silica flour on the said pressure filter 5 and reclaim precision processing device 8, enter into through the mud cake after pressure filter 5 dehydrations and use to producing line after silica flour recovery precision processing device 8 recycles.
In addition, the filter membrane in the said tubular membrane 3 can be microfiltration membrane, ultrafiltration, nf membrane or reverse osmosis membrane, and tubular membrane is difficult dirty stifled, and is prone to clean the recovery flux, can select different filter membranes according to user demand.
In addition, said pressure filter 5 is a plate-and-frame filter press.
The concrete principle of work of the utility model silica flour retrieving arrangement is following: the mortar wastewater collection of plant produced is to the interior stabilizing water quality of waste water homogeneous groove and the water yield; With driving pump the mortar waste water in the waste water homogeneous groove is transported in the waste water thickener; And then through driving pump the mortar waste water in the waste water thickener is transported to tubular membrane and handles; Mortar waste water circulates between waste water thickener and tubular membrane; The water that part sees through tubular membrane then enters into reuse pool, and the suspended substance tunicle in the mortar waste water is held back and enrichment in the waste water thickener, and the suspended substance after the enrichment is fed to the mud thickener; Enter into plate-and-frame filter press then and carry out processed; Dehydrated sludge forms mud cake, and mud cake uses to producing line after getting into and recycling in the silica flour recovery precision processing device again, and the disengaging water in the plate-and-frame filter press is then got back in the waste water thickener.
Be different from prior art, stable, the difficult dirt of the utility model silica flour retrieving arrangement is stifled, cleaning is convenient, power consumption is relatively low, bookkeeping is convenient, can effectively improve the silica flour organic efficiency.
The above is merely the embodiment of the utility model; Be not thus the restriction the utility model claim; Every equivalent structure or equivalent flow process conversion that utilizes the utility model specification sheets and accompanying drawing content to be done; Or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the utility model.
Claims (6)
1. silica flour retrieving arrangement; It is characterized in that, comprising: waste water homogeneous groove, filtration unit, dewatering unit and reuse tank, said filtration unit comprise waste water thickener and the tubular membrane that is connected with the waste water thickener; Said dewatering unit is connected with the waste water thickener; Said dewatering unit comprises mud thickener and the pressure filter that is connected with the mud thickener, and said waste water homogeneous groove is connected with the waste water thickener, and said tubular membrane is connected with the reuse tank.
2. silica flour retrieving arrangement according to claim 1 is characterized in that, said waste water homogeneous groove, waste water thickener, tubular membrane are connected through pipeline with the reuse tank successively.
3. silica flour retrieving arrangement according to claim 1; It is characterized in that; Be connected with driving pump between said waste water homogeneous groove and the waste water thickener, be connected with driving pump between said waste water thickener and the tubular membrane, be connected with driving pump between said mud thickener and the pressure filter.
4. silica flour retrieving arrangement according to claim 1 is characterized in that, is connected with silica flour on the said pressure filter and reclaims the precision processing device.
5. silica flour retrieving arrangement according to claim 1 is characterized in that, the filter membrane in the said tubular membrane can be microfiltration membrane, ultra-filtration membrane, nf membrane or reverse osmosis membrane.
6. silica flour retrieving arrangement according to claim 1 is characterized in that, said pressure filter is a plate-and-frame filter press.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203942961U CN202246089U (en) | 2011-10-17 | 2011-10-17 | Silica powder recovering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203942961U CN202246089U (en) | 2011-10-17 | 2011-10-17 | Silica powder recovering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202246089U true CN202246089U (en) | 2012-05-30 |
Family
ID=46107362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203942961U Expired - Fee Related CN202246089U (en) | 2011-10-17 | 2011-10-17 | Silica powder recovering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202246089U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115286141A (en) * | 2022-08-10 | 2022-11-04 | 江苏美科太阳能科技股份有限公司 | Treatment device and method for silicon wafer degumming wastewater |
-
2011
- 2011-10-17 CN CN2011203942961U patent/CN202246089U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115286141A (en) * | 2022-08-10 | 2022-11-04 | 江苏美科太阳能科技股份有限公司 | Treatment device and method for silicon wafer degumming wastewater |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20141017 |
|
| EXPY | Termination of patent right or utility model |