CN204162557U - The device of zero discharge treatment containing sulfate and the hard waste water of height - Google Patents
The device of zero discharge treatment containing sulfate and the hard waste water of height Download PDFInfo
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- CN204162557U CN204162557U CN201420663939.1U CN201420663939U CN204162557U CN 204162557 U CN204162557 U CN 204162557U CN 201420663939 U CN201420663939 U CN 201420663939U CN 204162557 U CN204162557 U CN 204162557U
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Abstract
The utility model belongs to wastewater treatment and Treated sewage reusing field, the specifically device of a kind of zero discharge treatment containing sulfate and the hard waste water of height, comprise connected successively by pipeline former pond, raw water pump, the first reaction tank, electricity flocculation, the first settling tank, filtering basin, the first clean water basin, the first topping-up pump, sand-bed filter, ion-exchanger, reverse osmosis, dense water tank, the second topping-up pump, nanofiltration, nanofiltration output terminal connects desulfuration acid group device and nanofiltration respectively and produces water treatment device, is provided with first and adds alkali pump and second and add alkali pump between described raw water pump and the first reaction tank.The utility model increases the cycles of concentration of waste water as far as possible, reduces the steam output of waste water, the amount of waste water can be greatly reduced.
Description
Technical field
The utility model belongs to wastewater treatment and Treated sewage reusing field, specifically the device of a kind of zero discharge treatment containing sulfate and the hard waste water of height.
Background technology
In field of waste water treatment, emission request is more and more stricter, and some region does not even allow discharge, and this just requires that zero release will be accomplished by enterprise.The traditional way of zero release adopts reverse osmosis that the saltiness of water is concentrated to about 8%, then through evaporation concentration, but evaporation concentration equipment investment is large, working cost is high, becomes the restraining factors that zero-discharge technology is promoted.
Therefore, need a kind of cycles of concentration that as far as possible can increase waste water, reduce waste water steam output, accomplish the device of wastewater zero discharge as far as possible.
Utility model content
The utility model provides the device of a kind of zero discharge treatment containing sulfate and the hard waste water of height, increases the cycles of concentration of waste water as far as possible, reduces the steam output of waste water, the amount of waste water can be greatly reduced, both decrease the investment of evaporation equipment, in turn saved working cost.
The technical solution adopted in the utility model is:
The device of a kind of zero discharge treatment containing sulfate and the hard waste water of height, comprise connected successively by pipeline former pond, raw water pump, the first reaction tank, electricity flocculation, the first settling tank, filtering basin, the first clean water basin, the first topping-up pump, sand-bed filter, ion-exchanger, reverse osmosis, dense water tank, the second topping-up pump, nanofiltration, be provided with first between described raw water pump and the first reaction tank to add alkali pump and second and add alkali pump, described reverse osmosis produced water output terminal connects outside vessel, and nanofiltration output terminal connects desulfuration acid group device respectively and water treatment device is produced in nanofiltration.
Described desulfuration acid group device comprise connected by pipeline successively add milk of lime device, the second reaction tank, the 3rd reaction tank, the second settling tank, the second clean water basin, the 3rd topping-up pump, be provided with adder-subtractor between the second reaction tank and the 3rd reaction tank.
Another structure of described desulfuration acid group device, comprises the interchanger, freezing plant, crystallizer, the filtered water tank that are connected by pipeline successively.
Described nanofiltration is produced water treatment device and is comprised the nanofiltration water tank, the 4th topping-up pump, film condensing device, the evaporation unit that are connected by pipeline successively.
The advantage that the utility model has and beneficial effect are:
The utility model concentrates through multiple times of filtration, and separate by other materials such as vitriol and muriate and process, waste water entirety cycles of concentration is improved greatly, remains wastewater flow rate minimizing, thus save investment and the operation of evaporation equipment.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the utility model;
Fig. 2 is the another kind of structural representation of the utility model.
In figure, 1-former pond 2-raw water pump 3-first adds alkali pump 4-second and adds alkali pump 5-first reaction tank 6-electricity flocculation 7-first settling tank 8-filtering basin 9-first clean water basin 10-first topping-up pump 11-sand-bed filter 12-ion-exchanger 13-reverse osmosis 14-dense water tank 15-second topping-up pump 16-nanofiltration 17-and add milk of lime device 18-second reaction tank 19-adder-subtractor 20-the 3rd reaction tank 21-second settling tank 22-second clean water basin 23-the 3rd topping-up pump 24-nanofiltration water tank 25-the 4th topping-up pump 26-film condensing device 27-evaporation unit 28-interchanger 29-freezing plant 30-crystallizer 31-filtered water tank
Embodiment
The device of a kind of zero discharge treatment containing sulfate and the hard waste water of height, comprise the former pond 1 connected successively by pipeline, raw water pump 2, first reaction tank 5, electricity flocculation 6, first settling tank 7, filtering basin 8, first clean water basin 9, first topping-up pump 10, sand-bed filter 11, ion-exchanger 12, reverse osmosis 13, dense water tank 14, second topping-up pump 15, nanofiltration 16, nanofiltration 16 output terminal connects desulfuration acid group device respectively and water treatment device is produced in nanofiltration, be provided with first between described raw water pump 2 and the first reaction tank 5 to add alkali pump 3 and second and add alkali pump 4, described reverse osmosis 13 is produced water output terminal and is connected external pipe, reverse osmosis 13 is produced Water Sproading to utilize.
Described desulfuration acid group device has two kinds of structures respectively: one comprises and successively adding between milk of lime device 17, second reaction tank 18, the 3rd reaction tank 20, second settling tank 21, second clean water basin 22, the 3rd topping-up pump 23, second reaction tank 18 and the 3rd reaction tank 20 of connecting of pipeline is provided with adder-subtractor 19; It two comprises the interchanger 28, freezing plant 29, crystallizer 30, the filtered water tank 31 that are connected by pipeline successively.
Described nanofiltration is produced water treatment device and is comprised the nanofiltration water tank 24, the 4th topping-up pump 25, film condensing device 26, the evaporation unit 27 that are connected by pipeline successively.
Followingly to be described further in conjunction with the device of example to zero discharge treatment containing sulfate and the hard waste water of height:
Embodiment 1
As shown in Figure 1, specific works process of the present utility model is: be first that 500ppm sulfate radical waste water flows in former pond 1 by concentration, carried by raw water pump 2, add alkali pump 3 and second with first to add alkali pump 4 and add sodium hydroxide and sodium carbonate, arrive the rear stirring reaction 10-30 minute of the first reaction tank 5, form calcium carbonate and magnesium hydrate precipitate, large flco is formed through electricity flocculation 6, arrive the first settling tank 7 to precipitate, supernatant liquor enters filtering basin 8 and filters, further removal suspended substance, clear water after filtration enters the first clean water basin 9, after the first topping-up pump 10 pressurizes, enter sand-bed filter 11 filter, then the calcium ions and magnesium ions in water is removed further through ion-exchanger 12, clear water after process enters into reverse osmosis 13 and concentrates, the concentration of sulfate radical can be made to reach more than 10000ppm, the product water of reverse osmosis can reuse, dense water enters dense water tank 14, enter nanofiltration 16 through the second topping-up pump 15 and carry out separation and concentrated vitriol root, the main contains sodium sulfate of concentrated solution, concentration can reach more than 50000ppm, this high-concentration sulfuric acid sodium solution is after adding milk of lime device 17 and adding milk of lime, enter the second reaction tank 18, stirring reaction formed calcium sulfate after 30 minutes, sodium carbonate is added through adder-subtractor 19, enter the 3rd reaction tank 20, stirring reaction 30 minutes, formation calcium carbonate enters the second settling tank 21 and precipitates, supernatant liquor flow into the second clean water basin 22, recycle as sodium hydroxide in retrieval system after the 3rd topping-up pump 23 pressurizes.The main sodium chloride-containing of permeate, enters nanofiltration water tank 24, enters film condensing device 26 through topping-up pump, enters evaporation unit 27 evaporation concentration after concentrating further.
Embodiment 2
As shown in Figure 2, the present embodiment is substantially the same manner as Example 1, just desulfuration acid group device is different: the main contains sodium sulfate of concentrated solution, concentration can reach more than 50000ppm, this high-concentration sulfuric acid sodium solution enters crystallizer 30 after interchanger 28 tentatively cooling after freezing plant 29 is lowered the temperature, crystallization forms saltcake, mother liquor after crystallization enters filtered water tank 31, nanofiltration water tank 24 is entered after interchanger 28 heats up, produce water with nanofiltration to mix, after the 4th topping-up pump 25 pressurizes, enter film condensing device 26 concentrate, the liquid after concentrated enters evaporation unit 27 and evaporates.
Claims (4)
1. the device of a zero discharge treatment containing sulfate and the hard waste water of height, it is characterized in that, comprise connected successively by pipeline former pond, raw water pump, the first reaction tank, electricity flocculation, the first settling tank, filtering basin, the first clean water basin, the first topping-up pump, sand-bed filter, ion-exchanger, reverse osmosis, dense water tank, the second topping-up pump, nanofiltration, be provided with first between described raw water pump and the first reaction tank to add alkali pump and second and add alkali pump, described reverse osmosis produced water output terminal connects external pipe, and nanofiltration output terminal connects desulfuration acid group device respectively and water treatment device is produced in nanofiltration.
2. the device of zero discharge treatment containing sulfate according to claim 1 and the hard waste water of height, it is characterized in that, described desulfuration acid group device comprise connected by pipeline successively add milk of lime device, the second reaction tank, the 3rd reaction tank, the second settling tank, the second clean water basin, the 3rd topping-up pump, be provided with adder-subtractor between the second reaction tank and the 3rd reaction tank.
3. the device of zero discharge treatment containing sulfate according to claim 1 and the hard waste water of height, is characterized in that, described desulfuration acid group device comprises the interchanger, freezing plant, crystallizer, the filtered water tank that are connected by pipeline successively.
4. the device of zero discharge treatment containing sulfate according to claim 1 and the hard waste water of height, is characterized in that, described nanofiltration is produced water treatment device and comprised the nanofiltration water tank, the 4th topping-up pump, film condensing device, the evaporation unit that are connected by pipeline successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420663939.1U CN204162557U (en) | 2014-11-07 | 2014-11-07 | The device of zero discharge treatment containing sulfate and the hard waste water of height |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420663939.1U CN204162557U (en) | 2014-11-07 | 2014-11-07 | The device of zero discharge treatment containing sulfate and the hard waste water of height |
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| CN204162557U true CN204162557U (en) | 2015-02-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105016541A (en) * | 2015-07-29 | 2015-11-04 | 凯姆德（北京）能源环境科技有限公司 | Method for separating and recovering salts from high-salt wastewater |
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2014
- 2014-11-07 CN CN201420663939.1U patent/CN204162557U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105016541A (en) * | 2015-07-29 | 2015-11-04 | 凯姆德（北京）能源环境科技有限公司 | Method for separating and recovering salts from high-salt wastewater |
| CN105016541B (en) * | 2015-07-29 | 2017-04-26 | 凯姆德（北京）能源环境科技有限公司 | Method for separating and recovering salts from high-salt wastewater |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Apparatus for zero-discharge treatment of high-hardness wastewater containing sulfate Effective date of registration: 20150924 Granted publication date: 20150218 Pledgee: Qi commercial bank Limited by Share Ltd small business financial services center Pledgor: ZIBO TAIHE INDUSTRY CO., LTD. Registration number: 2015370000053 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 256400 Huantai, Shandong Province Economic Development Zone West (Taiping Village, the first South No. 318) Patentee after: Shandong Taihe environmental Polytron Technologies Inc Address before: 256400 Huantai, Shandong Province Economic Development Zone West (Taiping Village, the first South No. 318) Patentee before: ZIBO TAIHE INDUSTRY CO., LTD. |