CN202729917U - Membrane method high-powered recovery process special system for photovoltaic industrial fluoride waste - Google Patents
Membrane method high-powered recovery process special system for photovoltaic industrial fluoride waste Download PDFInfo
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- CN202729917U CN202729917U CN2012201641644U CN201220164164U CN202729917U CN 202729917 U CN202729917 U CN 202729917U CN 2012201641644 U CN2012201641644 U CN 2012201641644U CN 201220164164 U CN201220164164 U CN 201220164164U CN 202729917 U CN202729917 U CN 202729917U
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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
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- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
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Abstract
Provided is a membrane method high-powered recovery process special system for photovoltaic industrial fluoride waste. The membrane method high-powered recovery process special system comprises a collecting tank, a first acid-base reaction tank, a second acid-base reaction tank, an intermediate water tank, a sand filter, a char filter, a heat exchanger, a first level special membrane system, a first contributing water intermediate water tank and a first thick water intermediate water tank which are connected with each other in sequence and then connected to a secondary level special separation membrane system. A contributing water outlet of the secondary level special separation membrane system is connected with the first contributing water intermediate water tank, and a thick water outlet of the secondary level special separation membrane system is connected with a thick water collecting tank. A water outlet end of the thick water collecting tank is connected with a standard discharging treatment tank which is connected with a water discharging tank. After the membrane method high-powered recovery process for the fluoride waste is adopted, high-powered reuse of the fluoride waste is achieved, and pollution discharge is reduced, resources are saved, and emission is reduced. Higher economic benefit, social benefit and environmental benefit for enterprises are created.
Description
Technical field
The utility model belongs to photovoltaic industry fluoride waste recycling technical field, specifically puts up with to relate to a kind of photovoltaic industry fluoride waste embrane method high power recovery technique and dedicated system.
Background technology
Utilize photovoltaic effect, make sunlight be mapped to the generation current direct generation of electricity on the silicon materials, the industry chain (supply chain) that forms with the application and development of silicon materials is referred to as " photovoltaic industry ", comprises the manufacturing of the production of High Purity Polycrystalline silicon material, manufacture of solar cells, solar module production, related production equipment etc.Can produce a large amount of fluoride wastes in the production of pure silicon polycrystal starting material, the hyperoxia voltinism of fluoride waste can cause substantial pollution to environment, and directly discharging can produce great harm to physical environment, does not meet now the requirement to the industrial production energy-saving and emission-reduction.
At present, traditional fluoride waste treatment process is to add to soften after alkali precipitates fluorine to be passed into the film system again and to recycle.Its detailed process comprises at first regulates pH value with fluoride waste, then the waste water through regulating is carried out coagulating sedimentation, then the fluoride waste through coagulating sedimentation is carried out resin softening, at last the waste water that has softened is passed into the film system and process, at last waste water is carried out reuse.
This fluoride waste is that fluorinion in waste water forms fluorochemical precipitation or flocculation sediment by adding medicine or other medicament, reaches the purpose of removing fluorine by the separate solid fluorochemical; But this recovery technique need add calcium ion, makes hardness increase in the water, and traditional photovoltaic industry fluoride waste treatment process is chemical precipitation simultaneously, sewage quantity is large, and floor space is many, hardness rising in the waste water after the precipitator method, must soften processing to waste water, running cost raises; During product water reuse after the processing, dense water still need carry out qualified discharge to be processed, and is difficult to the high power reuse, causes the wasting of resources.
The utility model content
The purpose of this utility model is waste water can't be recycled fully for existing photovoltaic industry fluoride waste treatment process, waste water much higher hard after the processing, need waste water is softened the shortcoming of processing, reclaiming the fluoride waste treatment process by the embrane method high power can directly recycle the product water after the processing, need not add chemical agent, low price, processing ease.
Technical scheme
In order to realize above-mentioned technical purpose, the utility model designs a kind of photovoltaic industry fluoride waste embrane method high power and reclaims technique, and it comprises following step.At first the fluoride waste of collecting is carried out pre-treatment: namely the fluoride waste of collecting is carried out the water yield and regulate, make fluoride waste water quality even, pH value will filter through the fluoride waste that water amount is regulated between 6～9 simultaneously, filters and removes SS, larger molecular organics and colloid; Then passing into the membrane separation system through pretreated fluoride waste, fluoride waste is carried out further purifying treatment obtain producing water and dense water; The dense water that then will obtain carries out discharging after qualified discharge is processed; At last the mud that produces in the film system purification treating processes is carried out the mummification outward transport.
Further, described membrane separation system comprises two-stage membrane separation system, when the first step is separated, the fluoride waste temperature is between 15～30 ℃, pressure is between 1.0～1.6MPa, and PH is that ORP is less than 220mv between 6～9, electricity is led less than between the 5000 μ s/cm, and fluorine content is less than between the 200mg/L;
When separated the second stage, the fluoride waste temperature was between 20～40 ℃, and between pressure 1.8～3.0MPa, PH is between 6～9, and ORP is less than 220mv, and electricity is led less than between the 25000 μ s/cm, and fluorine content is less than between the 1000mg/L.
Further, to process the reuse of further purifying of the product water obtain through the film system purification, during purification, the fluoride waste temperature is between 15～30 ℃, pressure is between 1.0～1.6MPa, and PH is that ORP is less than 220mv between 6～9, electricity is led less than between the 250 μ s/cm, and fluorine content is less than between the 10mg/L.
A kind of photovoltaic industry fluoride waste embrane method high power according to above-mentioned technological design reclaims dedicated system, it comprises collecting tank, the first acid-base reaction pond feed-water end is received in the collecting tank water side, on the connecting tube the first topping-up pump is housed between collecting tank and the first acid-base reaction pond, water side, the first acid-base reaction pond is connected to the second acid-base reaction pond feed-water end, the intermediate pool feed-water end is received in water side, the second acid-base reaction pond, the intermediate pool water side is connected to the sand-bed filter feed-water end, the second topping-up pump is housed on the connecting tube between intermediate pool and the sand-bed filter, the char filter feed-water end is received in the sand-bed filter water side, the interchanger feed-water end is received in the char filter water side, one-level special film system feed-water end is received in the interchanger water side, on the connecting tube the first high-pressure pump is housed between interchanger and the one-level special film system, one-level special film system produces water out and receives the first product water intermediate water tank, dense water out is received the first dense water intermediate water tank, the special separation membrane system of secondary is received in the first dense water intermediate water tank water side, on the connecting tube the second high-pressure pump is housed between the first dense water intermediate water tank and the special separation membrane system of secondary, the special separation membrane system of secondary is produced water out and is received the first product water intermediate water tank, dense water out is received dense water collecting tank, dense water collecting tank water side is connected to the qualified discharge treating pond, and the qualified discharge treating pond is received the discharging pond.
On described the first acid-base reaction pond and the second acid-base reaction pond soda acid monitor and medicine system are installed.
Dosing sterilization restoring system is housed on the connecting pipeline between described interchanger and the first high-pressure pump.
On the connecting tube antisludging equipment is housed between described the second high-pressure pump and the special separation membrane system of secondary.
Further, described first produces water intermediate water tank water side is connected to reuse film system, the third high press pump is housed on the connecting pipeline, on the first product water intermediate water tank and the third high press pump connecting pipeline sterilizer is housed, reuse film system produces the water water side and receives reuse pool, the reuse pool water side is equipped with the 3rd topping-up pump, and the dense water end (W.E.) of reuse film system is received intermediate pool.
Further, the applicable PH of the filtering membrane that the special separation membrane system of described one-level, the special separation membrane system of secondary and reuse film system adopt is 2～12, tolerates 50 ℃ of temperature.
Further, be connected to the first film on the pipeline between described interchanger and the first high-pressure pump and clean the water tank water side, described the first film cleans the water tank feed-water end and receives the dense water of the special separation membrane system of one-level water side and produce the water water side.
Further, be connected to the second film on the described first dense water intermediate water tank and the second high-pressure pump connecting pipeline and clean the water tank water side, described the second film cleans the water tank feed-water end and receives the dense water of the special separation membrane system of secondary water side and produce the water water side.
Further, be connected to tertiary membrane on described the first product water intermediate water tank and the third high press pump connecting pipeline and clean the water tank water side, described tertiary membrane cleans the water tank feed-water end and receives reuse film system dense water water side and produce the water water side.
Beneficial effect
After the fluoride waste embrane method high power that adopts the utility model to provide reclaimed technique, the fluoride waste water yield greatly reduced,
Reduce the pre-treatment cost, floor space is few, cost of investment reduces greatly, easily is automated control; Product water circulation use after the processing is saved a large amount of fresh waters, realizes the reuse of fluoride waste high power, reduces blowdown, economizes on resources, and reduces discharging, for enterprise creates higher economic benefit, social benefit and environmental benefit.
Description of drawings
Accompanying drawing 1 is process flow sheet of the present utility model.
Accompanying drawing 2 is anterior annexation schematic diagram of interchanger among special-purpose the first embodiment of system in the utility model.
Accompanying drawing 3 is interchanger rear portion annexation schematic diagram among special-purpose the first embodiment of system in the utility model.
Accompanying drawing 4 is anterior annexation schematic diagram of interchanger among special-purpose the second embodiment of system in the utility model.
Accompanying drawing 5 is interchanger rear portion annexation schematic diagram among special-purpose the second embodiment of system in the utility model.
Accompanying drawing 6 is that the first film cleans water tank annexation structural representation in the utility model.
Accompanying drawing 7 is that the second film cleaning water tank johning knot concerns the structure schematic diagram in the utility model.
Accompanying drawing 8 is that tertiary membrane cleans water tank annexation structural representation in the utility model.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described further.
Such as accompanying drawing 1, shown in 2 and 3, the first embodiment of the present utility model, a kind of photovoltaic industry fluoride waste embrane method high power reclaims dedicated system, it comprises collecting tank 1, the first acid-base reaction pond 2 feed-water ends are received in collecting tank 1 water side, on the connecting tube the first topping-up pump 3 is housed between collecting tank 1 and the first acid- base reaction pond 2,2 water sides, the first acid-base reaction pond are connected to the second acid-base reaction pond 4 feed-water ends, intermediate pool 5 feed-water ends are received in 4 water sides, the second acid-base reaction pond, intermediate pool 5 water sides are connected to sand-bed filter 6 feed-water ends, the second topping-up pump 7 is housed on the connecting tube between intermediate pool 5 and the sand-bed filter 6, char filter 8 feed-water ends are received in sand-bed filter 6 water sides, interchanger 9 feed-water ends are received in char filter 8 water sides, one-level special film system 10 feed-water ends are received in interchanger 9 water sides, on the connecting tube the first high-pressure pump 11 is housed between interchanger 9 and the one-level special film system 10, one-level special film system 10 produces water out and receives the first product water intermediate water tank 12, dense water out is received the first dense water intermediate water tank 13, the special separation membrane system 14 of secondary is received in the first dense water intermediate water tank 13 water sides, on the connecting tube the second high-pressure pump 15 is housed between the first dense water intermediate water tank 13 and the special separation membrane system 14 of secondary, the special separation membrane system 14 of secondary is produced water out and is received the first product water intermediate water tank 12, dense water out is received dense water collecting tank 16, dense water collecting tank 16 water sides are connected to qualified discharge treating pond 17, and qualified discharge treating pond 17 is received discharging pond 18;
On described the first acid-base reaction pond 2 and the second acid-base reaction pond 4 soda acid monitor 19 and medicine system 20 are installed;
On the connecting pipeline dosing sterilization restoring system 21 is housed between described interchanger 9 and the first high-pressure pump 11;
On the connecting tube antisludging equipment 22 is housed between described the second high-pressure pump 15 and the special separation membrane system 14 of secondary.
The applicable PH of filtering membrane that the special separation membrane system 10 of described one-level, the special separation membrane system 14 of secondary adopt is 2～12, tolerates 50 ℃ of temperature.
The working process of the utility model the first embodiment is achieved in that at first carries out pre-treatment to the fluoride waste of collecting collecting tank 1: namely the fluoride waste of collecting is carried out the water yield and regulate, make fluoride waste water quality even, make the fluoride waste pH value between 6～9 by the first acid-base reaction pond 2 and the second acid-base reaction pond 4, to filter by sand-bed filter 6 and char filter 8 through the fluoride waste that water amount is regulated simultaneously, filter and remove SS, larger molecular organics and colloid; Then passing into the membrane separation system through pretreated fluoride waste, fluoride waste is carried out further purifying treatment obtain producing water and dense water; Described membrane separation system comprises two-stage membrane separation system, and when the first step was separated, the fluoride waste temperature was between 15～30 ℃, pressure is between 1.0～1.6MPa, and PH is that ORP is less than 220mv between 6～9, electricity is led less than between the 5000 μ s/cm, and fluorine content is less than between the 200mg/L;
When separated the second stage, the fluoride waste temperature was between 20～40 ℃, and between pressure 1.8～3.0MPa, PH is between 6～9, and ORP is less than 220mv, and electricity is led less than between the 25000 μ s/cm, and fluorine content is less than between the 1000mg/L.
The dense water that then will obtain carries out discharging after qualified discharge is processed.
At last the mud that produces in the film system purification treating processes is carried out the mummification outward transport.
After the fluoride waste embrane method high power that adopts the utility model to provide reclaimed technique, the fluoride waste water yield greatly reduced,
Reduce the pre-treatment cost, floor space is few, cost of investment reduces greatly, easily is automated control; Product water circulation use after the processing is saved a large amount of fresh waters, realizes the reuse of fluoride waste high power, reduces blowdown, economizes on resources, and reduces discharging, for enterprise creates higher economic benefit, social benefit and environmental benefit.
Shown in attached Figure 4 and 5, the second embodiment of the present utility model is for reuse that the product water that processing obtains through the film system purification among the first embodiment is further purified, produce water intermediate water tank 12 water sides with first and be connected to reuse film system 23, third high press pump 24 is housed on the connecting pipeline, on the first product water intermediate water tank 12 and third high press pump 24 connecting pipelines sterilizer 25 is housed, reuse film system 23 produces the water water side and receives reuse pool 26, reuse pool 26 water sides are equipped with the 3rd topping-up pump 27, reuse film system 23 dense water end (W.E.)s are received intermediate pool 5, during purification, the fluoride waste temperature is between 15～30 ℃, pressure is between 1.0～1.6MPa, and PH is that ORP is less than 220mv between 6～9, electricity is led less than between the 250 μ s/cm, and fluorine content is less than between the 10mg/L.
The applicable PH of the filtering membrane that described reuse film system 23 adopts is 2～12, tolerates 50 ℃ of temperature.
Shown in accompanying drawing 6,7 and 8, the 3rd embodiment of the present utility model, for the membrane separation system is cleaned, pipeline between described interchanger 9 and the first high-pressure pump 11 is connected to the first film and cleans water tank 28 water sides, and described the first film cleans water tank 28 feed-water ends and receives the special separation membrane system of one-level 10 dense water water sides and produce the water water side; Be connected to the second film cleaning water tank 29 water sides at the described first dense water intermediate water tank 13 and the second high-pressure pump 15 connecting pipelines, described the second film cleans water tank 29 feed-water ends and receives the special separation membrane system of secondary 14 dense water water sides and produce the water water side; Be connected to tertiary membrane on described the first product water intermediate water tank 12 and third high press pump 24 connecting pipelines and clean water tank 30 water sides, described tertiary membrane cleans water tank 30 feed-water ends and receives reuse film system 23 dense water water sides and produce the water water side.
The claimed scope of the utility model is not limited only to the technical scheme in the utility model, and all are created by the utility model of the utility model enlightenment gained and all fall into protection domain of the present utility model.
Claims (5)
1. a photovoltaic industry fluoride waste embrane method high power reclaims dedicated system, it is characterized in that: it comprises collecting tank (1), the first acid-base reaction pond (2) feed-water end is received in collecting tank (1) water side, on the connecting tube the first topping-up pump (3) is housed between collecting tank (1) and the first acid-base reaction pond (2), water side, the first acid-base reaction pond (2) is connected to the second acid-base reaction pond (4) feed-water end, intermediate pool (5) feed-water end is received in water side, the second acid-base reaction pond (4), intermediate pool (5) water side is connected to sand-bed filter (6) feed-water end, on the connecting tube the second topping-up pump (7) is housed between intermediate pool (5) and the sand-bed filter (6), char filter (8) feed-water end is received in sand-bed filter (6) water side, interchanger (9) feed-water end is received in char filter (8) water side, one-level special film system (10) feed-water end is received in interchanger (9) water side, on the connecting tube the first high-pressure pump (11) is housed between interchanger (9) and the one-level special film system (10), one-level special film system (10) produces water out and receives the first product water intermediate water tank (12), dense water out is received the first dense water intermediate water tank (13), the special separation membrane system of secondary (14) is received in the first dense water intermediate water tank (13) water side, on the connecting tube the second high-pressure pump (15) is housed between the first dense water intermediate water tank (13) and the special separation membrane system of secondary (14), the special separation membrane system of secondary (14) is produced water out and is received the first product water intermediate water tank (12), dense water out is received dense water collecting tank (16), dense water collecting tank (16) water side is connected to qualified discharge treating pond (17), and qualified discharge treating pond (17) is received discharging pond (18);
On described the first acid-base reaction pond (2) and the second acid-base reaction pond (4) soda acid monitor (19) and medicine system (20) are installed;
On the connecting pipeline dosing sterilization restoring system (21) is housed between described interchanger (9) and the first high-pressure pump (11);
On the connecting tube antisludging equipment (22) is housed between described the second high-pressure pump (15) and the special separation membrane system of secondary (14).
2. a kind of photovoltaic industry fluoride waste embrane method high power as claimed in claim 1 reclaims dedicated system, it is characterized in that: described first produces water intermediate water tank (12) water side is connected to reuse film system (23), third high press pump (24) is housed on the connecting pipeline, on the first product water intermediate water tank (12) and third high press pump (24) connecting pipeline sterilizer (25) is housed, reuse film system (23) produces the water water side and receives reuse pool (26), reuse pool (26) water side is equipped with the 3rd topping-up pump (27), and the dense water end (W.E.) of reuse film system (23) is received intermediate pool (5).
3. a kind of photovoltaic industry fluoride waste embrane method high power as claimed in claim 1 reclaims dedicated system, it is characterized in that: be connected to the first film on the pipeline between described interchanger (9) and the first high-pressure pump (11) and clean water tank (28) water side, described the first film cleans water tank (28) feed-water end and receives the dense water of the special separation membrane system of one-level (10) water side and produce the water water side.
4. a kind of photovoltaic industry fluoride waste embrane method high power as claimed in claim 1 reclaims dedicated system, it is characterized in that: be connected to the second film on the described first dense water intermediate water tank (13) and the second high-pressure pump (15) connecting pipeline and clean water tank (29) water side, described the second film cleans water tank (29) feed-water end and receives the dense water of the special separation membrane system of secondary (14) water side and produce the water water side.
5. a kind of photovoltaic industry fluoride waste embrane method high power as claimed in claim 2 reclaims dedicated system, it is characterized in that: be connected to tertiary membrane on described the first product water intermediate water tank (12) and third high press pump (24) connecting pipeline and clean water tank (30) water side, described tertiary membrane cleans water tank (30) feed-water end and receives reuse film system (23) dense water water side and produce the water water side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201641644U CN202729917U (en) | 2012-04-17 | 2012-04-17 | Membrane method high-powered recovery process special system for photovoltaic industrial fluoride waste |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201641644U CN202729917U (en) | 2012-04-17 | 2012-04-17 | Membrane method high-powered recovery process special system for photovoltaic industrial fluoride waste |
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| CN202729917U true CN202729917U (en) | 2013-02-13 |
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| CN2012201641644U Expired - Lifetime CN202729917U (en) | 2012-04-17 | 2012-04-17 | Membrane method high-powered recovery process special system for photovoltaic industrial fluoride waste |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103373774A (en) * | 2012-04-17 | 2013-10-30 | 上海晶宇环境工程有限公司 | Membrane-method high-powered recycling process for fluoride-containing wastewater generated by photovoltaic industry and dedicated system of membrane-method high-powered recycling process |
| CN114853204A (en) * | 2022-04-11 | 2022-08-05 | 江苏道同环境科技有限公司 | Metal silicide BOE etching wastewater zero-discharge treatment device and method |
-
2012
- 2012-04-17 CN CN2012201641644U patent/CN202729917U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103373774A (en) * | 2012-04-17 | 2013-10-30 | 上海晶宇环境工程有限公司 | Membrane-method high-powered recycling process for fluoride-containing wastewater generated by photovoltaic industry and dedicated system of membrane-method high-powered recycling process |
| CN103373774B (en) * | 2012-04-17 | 2015-06-17 | 上海晶宇环境工程有限公司 | Membrane-method high-powered recycling process for fluoride-containing wastewater generated by photovoltaic industry and dedicated system of membrane-method high-powered recycling process |
| CN114853204A (en) * | 2022-04-11 | 2022-08-05 | 江苏道同环境科技有限公司 | Metal silicide BOE etching wastewater zero-discharge treatment device and method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 200081 room 3, floor 22, No. 196, Ouyang Road, Hongkou District, Shanghai Patentee after: SHANGHAI JINGYU ENVIRONMENTAL ENGINEERING CO., LTD. Address before: Room 1501, No. 612, North Road, Hongkou District station, Shanghai, Shanghai Patentee before: Shanghai Jingyu Environment Engineering Co., Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130213 |