CN107487793A - System and method for treating and recycling silicon powder particle-containing wastewater in photovoltaic industry - Google Patents
System and method for treating and recycling silicon powder particle-containing wastewater in photovoltaic industry Download PDFInfo
- Publication number
- CN107487793A CN107487793A CN201710637080.5A CN201710637080A CN107487793A CN 107487793 A CN107487793 A CN 107487793A CN 201710637080 A CN201710637080 A CN 201710637080A CN 107487793 A CN107487793 A CN 107487793A
- Authority
- CN
- China
- Prior art keywords
- waste water
- particle
- clear liquid
- reuse
- water
- 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.)
- Pending
Links
- 239000002245 particle Substances 0.000 title claims abstract description 66
- 239000002351 wastewater Substances 0.000 title claims abstract description 64
- 238000000034 method Methods 0.000 title claims abstract description 17
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 11
- 239000011863 silicon-based powder Substances 0.000 title claims abstract description 4
- 238000004064 recycling Methods 0.000 title abstract description 6
- 239000007788 liquid Substances 0.000 claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000000843 powder Substances 0.000 claims description 19
- 239000010453 quartz Substances 0.000 claims description 13
- 238000001914 filtration Methods 0.000 claims description 12
- 229910052710 silicon Inorganic materials 0.000 claims description 7
- 239000010703 silicon Substances 0.000 claims description 7
- 239000008400 supply water Substances 0.000 claims description 7
- 239000004576 sand Substances 0.000 claims 1
- 239000004575 stone Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000010865 sewage Substances 0.000 abstract description 3
- 230000008092 positive effect Effects 0.000 abstract description 2
- 239000006004 Quartz sand Substances 0.000 abstract 1
- 125000004122 cyclic group Chemical group 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 4
- 238000010926 purge Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 238000004065 wastewater treatment Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 235000013339 cereals Nutrition 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000002210 silicon-based material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/42—Liquid level
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention belongs to the field of treatment and recycling of particle wastewater, and particularly relates to a system and a method for treating and recycling silicon powder-containing particle wastewater in photovoltaic industry, which is characterized by comprising the following steps: the system and the method for treating and recycling the particle waste water comprise a particle waste water collecting pool, a particle waste water transfer pump, a plate-and-frame filter press, a clear liquid pool, a clear liquid transfer pump, a quartz sand filter and a recycling water pool, wherein control valves are arranged among all the units, and the system and the method have the advantages and positive effects that: the particle wastewater in the photovoltaic industry is treated and recycled to the production process, so that the sewage discharge is reduced, and the cyclic utilization of water resources is realized.
Description
Technical field
The invention belongs to the treatment for reuse field of particle waste water, and in particular to a kind of siliceous powder particles waste water of photovoltaic industry
Treatment for reuse system and method.
Background technology
Solar energy is following cleaning, the safe and reliable energy the most, and is exactly photovoltaic using the optimal mode of solar energy
Conversion, it is exactly using photovoltaic effect, solar irradiation is mapped to the generation direct current direct generation of electricity on silicon chip.Thus, with answering for silicon materials
With exploitation formed opto-electronic conversion industry chain (supply chain), referred to as " photovoltaic industry " turn into recent years after IT, microelectronic industry again
The industry of one explosive growth.
, it is necessary to be entered using substantial amounts of water to product and equipment during the cut-out of photovoltaic silicon wafer production, butt, barreling etc.
Row rinses, and the waste water after flushing contains substantial amounts of silica flour and silicon-carbide particle material.If by the waste water of this type with it is highly concentrated
Organic wastewater mixed processing is spent, not only increases the intractability of system, and waste great lot of water resources.Therefore it is, it is necessary to a kind of
This particle waste water is collected separately, again by the method for clean water body reuse to the production technology after processing, to realize water resource
Recycle.
The content of the invention
The purpose of the present invention：A kind of the shortcomings that to overcome prior art, there is provided place of the siliceous powder particles waste water of photovoltaic industry
Reclaiming system and method are managed, realizes that particle waste water solid separates using plate and frame filter press, then using quartz filter to clear
Liquid carries out filtering reuse, both reduces sewage discharge, realizes recycling for water resource again.
The technical solution used in the present invention is：
A kind for the treatment of for reuse system of the siliceous powder particles waste water of photovoltaic industry, the treatment for reuse system include particle waste water
Collecting pit, particle waste water shifting pump, plate and frame filter press, clean solution tank, clear liquid shifting pump, quartz filter, reuse pool, it is described
Particle wastewater collection pond connects with particle waste water shifting pump, and the particle waste water shifting pump connects with plate and frame filter press, the plate
Frame filter press connects with clean solution tank, and the clean solution tank connects with clear liquid shifting pump, the clear liquid shifting pump and quartz filter
Connection, quartz filter are connected with reuse pool, and control valve is equipped between each unit.
Further, ball float is set inside the particle wastewater collection pond.
Further, the reuse pool installation reuse pool supply-water pump.
A kind for the treatment of for reuse method of the siliceous powder particles waste water of photovoltaic industry, by comprising the following steps：
(1) siliceous powder particles waste water is collected into particle wastewater collection pond by pipeline, in pond body liquid level by ball float from
During dynamic control, i.e. particle waste water high level, ball float floats completely, particle waste water transfer pump startup；
(2) siliceous powder particles waste water is transferred in plate and frame filter press using particle waste water shifting pump and carries out press filtration, will contained
Silicon powder particle waste water is divided into solid-state silicon mud and clear liquid,
(3) solid-state silicon mud is reprocessed after collecting, and clear liquid is collected into clean solution tank；
(4) clear liquid in clean solution tank is transferred into quartz filter by clear liquid shifting pump to be filtered, after filtering
Water body be stored in reuse pool；
(5) by reuse pool supply-water pump, recycle-water is supplied to the techniques such as all-in-one and used.
The advantages and positive effects of the present invention are：
By reuse after the particle wastewater treatment of photovoltaic industry to production technology, sewage discharge is both reduced, realizes water resource again
Recycle, the inventive method thinking is simple, practical, particularly with the particle waste water of photovoltaic industry, treatment for reuse effect
Fruit is reliable and stable, and big to solve photovoltaic industry water consumption, blowdown flow rate provides greatly a kind of practicable processing method, has one
Fixed reference value and reference foundation.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of the present invention.
Embodiment
Presently preferred embodiments of the present invention is described in detail below in conjunction with the accompanying drawings, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, apparent is clearly defined so as to be made to protection scope of the present invention.
Fig. 1 as shown in the figure, the invention provides a kind for the treatment of for reuse system of the siliceous powder particles waste water of photovoltaic industry, processing
Reclaiming system includes particle wastewater collection pond, particle waste water shifting pump (CHD57.5-100A, Q=100m3/ h, H=15m), plate
Frame filter press (model XMZG1500, filter area 400m2, filter plate material and size PP, 1600*1600mm, filter cloth model
750AB, 400 mesh), clean solution tank, clear liquid shifting pump (G315-100 (4P), Q=109m3/ h, H=22.8m), quartz filter
(Φ 2500 × 3500, rate of filtration 7.5m/h), reuse pool, particle wastewater collection pond connect with particle waste water shifting pump,
Grain waste water shifting pump connects with plate and frame filter press, and plate and frame filter press connects with clean solution tank, and clean solution tank connects with clear liquid shifting pump, clearly
Liquid shifting pump is connected with quartz filter, and quartz filter connects with reuse pool, and control valve is equipped between each unit
Door, particle wastewater collection pond inside set ball float, reuse pool installation reuse pool supply-water pump (CR45-3-2A-F-A-E-
HQQE, Q=45m3/ h, H=51.9m).
Being exemplified below several specific embodiments, the present invention is further illustrated.
Embodiment 1
(1) by siliceous powder particles wastewater collection into particle wastewater collection pond, when high level, ball float floats, and particle gives up
Water shifts pump startup；
(2) siliceous powder particles waste water is transferred in plate and frame filter press using particle waste water shifting pump and carries out press filtration, worked
Pressure is 0.6MPa, time of filter pressing 36h；
(3) after plate and frame filter press press filtration, solid focuses on after collecting；Clear liquid is flowed into clean solution tank by gravity.
(4) clear liquid is transferred in quartz filter by clear liquid shifting pump, according to actual conditions, adjusts air purge and washing
Time is respectively：Air purge 15min, wash 5min.Water body after filtering is stored in reuse pool.
(5) by recycle-water supply-water pump, recycle-water is supplied to the techniques such as all-in-one and used.
The leading indicator of the present embodiment water quality before and after the processing is shown in Table 1, pH, turbidity, suspension, COD, total dissolved solid symbol
The technique productions such as all-in-one are closed to use.
Index before and after the siliceous powder particles wastewater treatment of table 1.
Embodiment 2
(1) by siliceous powder particles wastewater collection into particle wastewater collection pond, when high level, ball float floats, and particle gives up
Water shifts pump startup；
(2) particle waste water is transferred in plate and frame filter press using particle waste water shifting pump and carries out press filtration, operating pressure is
0.6MPa, time of filter pressing 36h.
(3) after plate and frame filter press press filtration, silicon mud focuses on after collecting；Clear liquid is flowed into clean solution tank by gravity.
(4) clear liquid is transferred in quartz filter by clear liquid shifting pump, according to actual conditions, adjusts air purge and washing
Time is respectively：Air purge 10min, wash 10min.Water body after filtering is stored in reuse pool.
(5) by recycle-water supply-water pump, recycle-water is supplied to the techniques such as all-in-one and used.
The leading indicator of the present embodiment water quality before and after the processing is shown in Table 2, pH, turbidity, suspension, COD, total dissolved solid symbol
The technique productions such as all-in-one are closed to use.
Index before and after the siliceous powder particles wastewater treatment of table 2.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, either which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (4)
- A kind of 1. treatment for reuse system of the siliceous powder particles waste water of photovoltaic industry, it is characterised in that：The treatment for reuse system bag Include particle wastewater collection pond, particle waste water shifting pump, plate and frame filter press, clean solution tank, clear liquid shifting pump, quartz filter, return Millpond, the particle wastewater collection pond connect with particle waste water shifting pump, the particle waste water shifting pump and plate and frame filter press Connection, the plate and frame filter press connect with clean solution tank, and the clean solution tank connects with clear liquid shifting pump, the clear liquid shifting pump and stone Sand filter is connected, and quartz filter is connected with reuse pool, and control valve is equipped between each unit.
- A kind of 2. treatment for reuse system of the siliceous powder particles waste water of photovoltaic industry according to claim 1, it is characterised in that： Ball float is set inside the particle wastewater collection pond.
- A kind of 3. treatment for reuse system of the siliceous powder particles waste water of photovoltaic industry according to claim 1, it is characterised in that： The reuse pool installs reuse pool supply-water pump.
- 4. a kind for the treatment of for reuse method of the siliceous powder particles waste water of photovoltaic industry according to claim 1-3, its feature exist In by comprising the following steps：(1) siliceous powder particles waste water is collected into particle wastewater collection pond by pipeline, liquid level is controlled automatically by ball float in pond body When system, i.e. particle waste water high level, ball float floats completely, particle waste water transfer pump startup；(2) siliceous powder particles waste water is transferred in plate and frame filter press using particle waste water shifting pump and carries out press filtration, by silicon powder-containing Particle waste water is divided into solid-state silicon mud and clear liquid,(3) solid-state silicon mud is reprocessed after collecting, and clear liquid is collected into clean solution tank；(4) clear liquid in clean solution tank is transferred into quartz filter by clear liquid shifting pump to be filtered, by the water after filtering Body is stored in reuse pool；(5) by reuse pool supply-water pump, recycle-water is supplied to the techniques such as all-in-one and used.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710637080.5A CN107487793A (en) | 2017-07-31 | 2017-07-31 | System and method for treating and recycling silicon powder particle-containing wastewater in photovoltaic industry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710637080.5A CN107487793A (en) | 2017-07-31 | 2017-07-31 | System and method for treating and recycling silicon powder particle-containing wastewater in photovoltaic industry |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107487793A true CN107487793A (en) | 2017-12-19 |
Family
ID=60645087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710637080.5A Pending CN107487793A (en) | 2017-07-31 | 2017-07-31 | System and method for treating and recycling silicon powder particle-containing wastewater in photovoltaic industry |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107487793A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114307281A (en) * | 2021-11-15 | 2022-04-12 | 中环领先半导体材料有限公司 | BSD waste sand recycling device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201777903U (en) * | 2010-12-03 | 2011-03-30 | 成都康华生物制品有限公司 | Waste liquid treatment device |
| CN104098198A (en) * | 2014-07-14 | 2014-10-15 | 甘肃锦世化工有限责任公司 | Method for treating heavy metal chromium in industrial exterior drainage water to achieve emission on standard |
| CN106865904A (en) * | 2017-03-21 | 2017-06-20 | 华科新能（天津）科技发展有限公司 | A kind of photovoltaic industry sewage classification processing method |
-
2017
- 2017-07-31 CN CN201710637080.5A patent/CN107487793A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201777903U (en) * | 2010-12-03 | 2011-03-30 | 成都康华生物制品有限公司 | Waste liquid treatment device |
| CN104098198A (en) * | 2014-07-14 | 2014-10-15 | 甘肃锦世化工有限责任公司 | Method for treating heavy metal chromium in industrial exterior drainage water to achieve emission on standard |
| CN106865904A (en) * | 2017-03-21 | 2017-06-20 | 华科新能（天津）科技发展有限公司 | A kind of photovoltaic industry sewage classification processing method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114307281A (en) * | 2021-11-15 | 2022-04-12 | 中环领先半导体材料有限公司 | BSD waste sand recycling device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204939112U (en) | A kind of waste disposal plant | |
| CN207913371U (en) | A kind of concrete mixing plant waste water circulatory system | |
| CN107376505A (en) | A kind of feldspar in powder produces waste recycle system | |
| CN104445680B (en) | A kind of waste disposal plant | |
| CN202953895U (en) | Electrocoagulation sewage treatment system | |
| CN107285495A (en) | A kind of lithium ion battery production wastewater treatment device | |
| CN109264922A (en) | A kind of device and method of natural feather waste water recycling device | |
| CN205247914U (en) | Novel photocatalytic treatment uranium waste water device | |
| CN107487793A (en) | System and method for treating and recycling silicon powder particle-containing wastewater in photovoltaic industry | |
| CN210199509U (en) | PCB developer solution regeneration recovery system | |
| CN204385217U (en) | A kind of Lime Liquor cyclic utilization system | |
| CN208327549U (en) | A kind of mixing plant wastewater ocean disposal system | |
| CN204675875U (en) | Wet electric waste water reuse system | |
| CN213327117U (en) | Sewage treatment device | |
| CN205360751U (en) | Half self - cleaning basket filter | |
| CN204607581U (en) | A kind of acid-restoring plant of lead acid cell | |
| CN203781954U (en) | Comprehensive water recycling device of aluminum electrolysis waste treatment system | |
| CN203568940U (en) | Pulping sewage recycling system | |
| CN208292820U (en) | A kind of environmental protection urban wastewater treatment equipment | |
| CN206384955U (en) | A kind of power plant's Waste Water Treatment containing coal | |
| CN104841170A (en) | Hydroelectricity wastewater reuse system | |
| CN110668605A (en) | Thermal power plant wastewater treatment method | |
| CN206188579U (en) | Normal water cyclic utilization equipment | |
| CN208250029U (en) | Water resources recycling and reusing ecological, environmental protective system | |
| CN207142946U (en) | A kind of lithium ion battery production wastewater treatment device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171219 |
|
| RJ01 | Rejection of invention patent application after publication |