CN201634532U - Reclaimed water RO concentrated water standard discharge system - Google Patents
Reclaimed water RO concentrated water standard discharge system Download PDFInfo
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- CN201634532U CN201634532U CN2010201293647U CN201020129364U CN201634532U CN 201634532 U CN201634532 U CN 201634532U CN 2010201293647 U CN2010201293647 U CN 2010201293647U CN 201020129364 U CN201020129364 U CN 201020129364U CN 201634532 U CN201634532 U CN 201634532U
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Abstract
The utility model discloses a reclaimed water reuse RO concentrated water standard discharge system which comprises a concentrated water collecting pool, an electrolytic cell, a first middle water pool, a flocculation reaction tank, a sedimentation tank, a second middle water pool, a sand filter, a mixer, a bag filter, a carbon filter, a heavy metal catcher and a fine filter which are communicated with each other through a pipeline in sequence; a lifting pump is arranged on a pipeline between the concentrated water collecting pool and the electrolytic cell; a lifting pump is arranged on a pipeline between the first middle water pool and the flocculation reaction tank; a polyacrylamide solution tank is arranged on the flocculation reaction tank; a deposit discharge port of the sedimentation tank is communicated with a sludge tank and a pressure filter through a pipeline in sequence; a pneumatic diaphragm pump is arranged on a pipeline between the sludge tank and the pressure filter; a lifting pump is arranged on a pipeline between the second middle water pool and the sand filter; an acid water tank is arranged on a pipeline between the sand filter and the mixer. The utility model completely solves the problems that reclaimed water reuse concentrated water can not be discharged up to standard, a reverse osmosis membrane is blocked, and reverse osmosis can not run for a long time.
Description
Technical field
The utility model belongs to technical field of waste water processing, specifically is a kind of middle dense water qualified discharge of water reuse RO system.
Background technology
The composition of electroplating wastewater is very complicated, and except that cyanide wastewater and acidic and alkaline waste water, heavy metal wastewater thereby is to electroplate the great waste water classification of industry potential hazard.Therefore, the electroplating wastewater discharging must strictly be controlled, and deal carefully with and dispose, otherwise the consequence that causes is more serious.The middle water recycling processing system of prior art electroplating wastewater, it comprises redox, chemical precipitation, sand filtration, carbon filter, cloth bag filtration and reverse osmosis equipment.This system can not precipitate fully owing to chemical precipitation system sedimentation electroplated heavy metals waste water, caused through in the dense water 35% that produces of water reuse apparatus at all can't qualified discharge, dense water can only be got back to former water collecting tank, again after chemical precipitation again in the water reuse, this system is because chemical precipitation can't be removed the salinity in the dense water, cause the saltiness in the waste water more and more higher, finally cause reverse osmosis membrane serious dirty stifled, equipment can't move.
Summary of the invention
The purpose of this utility model is to overcome the shortcoming of prior art, a kind of middle dense water qualified discharge of water reuse RO system is provided, it has solved the problem that middle water reusing concentrated water can not qualified discharge, has also solved the problem that the dirty stifled and reverse osmosis of reverse osmosis membrane can not long-time running.
The purpose of this utility model realizes by following scheme: the dense water qualified discharge of water reuse RO system in a kind of, and it comprises the dense water collecting tank that is communicated with successively by pipeline, electrolyzer, intermediate pool, flocculation tank, settling tank, No. two intermediate pool, sand-bed filter, mixing tank, bag filter, char filter, heavy metal chelating device and secondary filters; On the pipeline between dense water collecting tank and the electrolyzer, lift pump is arranged, on the pipeline between intermediate pool and the flocculation tank, lift pump is arranged, the polyacrylamide solution of adding case is arranged on flocculation tank, the throw out relief outlet of settling tank is communicated with sludge sump and pressure filter successively by pipeline, on the pipeline between sludge sump and the pressure filter, pneumatic diaphragm pump is arranged, on the pipeline between No. two intermediate pool and the sand-bed filter, lift pump is arranged, the sour water of adding case is arranged on the pipeline between sand-bed filter and the mixing tank.
As a kind of improvement of the present utility model, the alarm for high voltage device is arranged on the pipeline between sand-bed filter and the mixing tank, the PH meter is arranged on the pipeline between bag filter and the char filter, the PH meter is arranged on the pipeline between char filter and the heavy metal chelating device.
Described sand-bed filter is the quartz sand filtration device, and it is that the quartz sand of φ 1～4mm is as filler that the quartz sand filtration device is selected particle diameter.
High quality fruit shell mould gac is filled in the inside of described char filter.
The advantage of the dense water qualified discharge of water reuse RO system is in the utility model: native system begins to remove a part of metal ion by electrolyzer, further remove a part of precipitation of hydroxide thing by flocculation tank, sludge sump and pressure filter again, further filter then, can reach more than 90% the removal efficient of the suspended matter in the water by the quartz sand filtration device; The focusing on of this technology adopted heavy metal chelating device equipment, is used for the various micro heavy ions of planar water, fills the special composite material heavy metal chelating agent in this heavy metal catcher, can reach more than 80% the removal effect of heavy metal ion.It has thoroughly solved the problem that middle water reusing concentrated water can not reach new standard (GB21900-2008) qualified discharge, has also solved the problem that the not dirty stifled and reverse osmosis of reverse osmosis membrane can not long-time running.
Description of drawings
The dense water qualified discharge of water reuse RO system flowchart in Fig. 1 the utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described further.
As shown in Figure 1, the dense water qualified discharge of water reuse RO system in a kind of, it comprises the dense water collecting tank 1 that is communicated with successively by pipeline, electrolyzer 3, intermediate pool 4, flocculation tank 6, settling tank 8, No. two intermediate pool 12, sand-bed filter 14, mixing tank 17, bag filter 18, char filter 20, heavy metal chelating device 22 and secondary filters 23; On the pipeline between dense water collecting tank 1 and the electrolyzer 3, lift pump 2 is arranged, on the pipeline between intermediate pool 4 and the flocculation tank 6, lift pump 5 is arranged, the polyacrylamide solution of adding case 7 is arranged on flocculation tank 6, the throw out relief outlet of settling tank 8 is communicated with sludge sump 9 and pressure filter 11 successively by pipeline, on the pipeline between sludge sump 9 and the pressure filter 11, pneumatic diaphragm pump 10 is arranged, on the pipeline between No. two intermediate pool 12 and the sand-bed filter 14, lift pump 13 is arranged, on the pipeline between sand-bed filter 14 and the mixing tank 17, the sour water of adding case 15 is arranged.On the pipeline between sand-bed filter 14 and the mixing tank 17, alarm for high voltage device 16 is arranged, PH meter 19 is arranged on the pipeline between bag filter 18 and the char filter 20, PH meter 21 is arranged on the pipeline between char filter 20 and the heavy metal chelating device 22.Described sand-bed filter 14 is quartz sand filtration devices, and it is that the quartz sand of φ 1～4mm is as filler that the quartz sand filtration device is selected particle diameter.High quality fruit shell mould gac is filled in the inside of described char filter 20.
Claims (4)
1. the dense water qualified discharge of water reuse RO system in a kind, it comprises dense water collecting tank (1), electrolyzer (3), an intermediate pool (4), flocculation tank (6), settling tank (8), No. two intermediate pool (12), sand-bed filter (14), mixing tank (17), bag filter (18), char filter (20), heavy metal chelating device (22) and the secondary filter (23) that is communicated with successively by pipeline; On the pipeline between dense water collecting tank (1) and the electrolyzer (3), lift pump (2) is arranged, on the pipeline between an intermediate pool (4) and the flocculation tank (6), lift pump (5) is arranged, the polyacrylamide solution of adding case (7) is arranged on flocculation tank (6), the throw out relief outlet of settling tank (8) is communicated with sludge sump (9) and pressure filter (11) successively by pipeline, on the pipeline between sludge sump (9) and the pressure filter (11), pneumatic diaphragm pump (10) is arranged, on the pipeline between No. two intermediate pool (12) and the sand-bed filter (14), lift pump (13) is arranged, on the pipeline between sand-bed filter (14) and the mixing tank (17), the sour water of adding case (15) is arranged.
2. according to the described middle dense water qualified discharge of the water reuse RO system of claim 1, it is characterized in that: on the pipeline between sand-bed filter (14) and the mixing tank (17), alarm for high voltage device (16) is arranged, PH meter (19) is arranged on the pipeline between bag filter (18) and the char filter (20), PH meter (21) is arranged on the pipeline between char filter (20) and the heavy metal chelating device (22).
According to claim 2 described in the dense water qualified discharge of water reuse RO system, it is characterized in that: described sand-bed filter (14) is the quartz sand filtration device, it is that the quartz sand of φ 1～4mm is as filler that the quartz sand filtration device is selected particle diameter.
4. according to claim 1, the 2 or 3 described middle dense water qualified discharge of water reuse RO systems, it is characterized in that: high quality fruit shell mould gac is filled in the inside of described char filter (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201293647U CN201634532U (en) | 2010-03-12 | 2010-03-12 | Reclaimed water RO concentrated water standard discharge system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201293647U CN201634532U (en) | 2010-03-12 | 2010-03-12 | Reclaimed water RO concentrated water standard discharge system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201634532U true CN201634532U (en) | 2010-11-17 |
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ID=43079020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201293647U Expired - Fee Related CN201634532U (en) | 2010-03-12 | 2010-03-12 | Reclaimed water RO concentrated water standard discharge system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201634532U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102267774A (en) * | 2011-07-27 | 2011-12-07 | 宝钢工程技术集团有限公司 | Strong brine processing system |
| CN104722135A (en) * | 2015-03-16 | 2015-06-24 | 大庆聚三元环保科技开发有限公司 | Micro-flocculation continuous sand filter |
| CN113461250A (en) * | 2020-03-30 | 2021-10-01 | 昆山市格润生环保技术有限公司 | RO concentrated water discharge treatment system |
-
2010
- 2010-03-12 CN CN2010201293647U patent/CN201634532U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102267774A (en) * | 2011-07-27 | 2011-12-07 | 宝钢工程技术集团有限公司 | Strong brine processing system |
| CN104722135A (en) * | 2015-03-16 | 2015-06-24 | 大庆聚三元环保科技开发有限公司 | Micro-flocculation continuous sand filter |
| CN104722135B (en) * | 2015-03-16 | 2016-02-24 | 大庆聚三元环保科技开发有限公司 | Tiny flocculation continuous sand filter |
| CN113461250A (en) * | 2020-03-30 | 2021-10-01 | 昆山市格润生环保技术有限公司 | RO concentrated water discharge treatment system |
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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: 20101117 Termination date: 20150312 |
|
| EXPY | Termination of patent right or utility model |