CN203754532U - Recycling model of drainage water of soft water preparation system - Google Patents
Recycling model of drainage water of soft water preparation system Download PDFInfo
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- CN203754532U CN203754532U CN201420136298.4U CN201420136298U CN203754532U CN 203754532 U CN203754532 U CN 203754532U CN 201420136298 U CN201420136298 U CN 201420136298U CN 203754532 U CN203754532 U CN 203754532U
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- water
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- Treatment Of Water By Ion Exchange (AREA)
Abstract
The utility model provides a recycling model of drainage water of a soft water preparation system. The model comprises a raw water tank, a filter, an ultrafilter, an ultrafiltration water yielding box, a safety filter, a reverse osmosis device, a softener and an ion exchanger, wherein the ultrafilter is connected with a backwashing water output pipe I, the reverse osmosis device is connected with the filter through a concentrated water output pipe I, the filter is connected with a back washing water output pipe II, and the ion exchanger is connected with the raw water tank through a concentrated water output pipe II. The model analyzes the water quality of drainage water at each node in the process flow of the soft water preparation system and can reduce the consumption of the raw water by the soft water preparation system by adopting a principle of gradient utilization. Meanwhile, backwashing water of the filter and the ultrafilter further can be used as reclaimed water or production water, so that the purpose of saving water and reducing consumption is realized.
Description
Technical field
The utility model relates to a kind of soft water preparation system, especially a kind of recycling model of soft water preparation System drainage.
Background technology
At present, in soft water preparation system, its core process is made up of former water pretreatment, reverse osmosis and ion-exchange three parts.Pretreatment system comprises strainer (as: more medium filter and activated charcoal filter etc.) and membrane separation plant ultra-filtration equipment more, in order to ensure the normal operation of reverse osmosis system, the product water of membrane separation plant after hardness is removed in softening agent processing for producing softening water, or again through ion-exchange unit (CEDI or mixed bed) Pure-water Making.Because this kind equipment all has backwash water or the dense water of 10%-20%, System drainage amount is large, the rate of recovery is low, and it is higher that its soft water consumes new water number value, restricted the economy of its operation, the existing weak point of prior art that Here it is.
Utility model content
The technical problems to be solved in the utility model, be exactly for the existing deficiency of prior art, and provide a kind of recycling model of soft water preparation System drainage, adopt this model can reduce the consumption of the former water of soft water preparation system, also can supplement as producing water or middle water, realize the object of water-saving consumption-reduction.
This programme is achieved by the following technical measures: the recycling model of this soft water preparation System drainage comprises the raw water box, strainer, ultra-fine filter, ultrafiltration product water tank, cartridge filter, reverse osmosis unit, softening agent and the ion-exchanger that connect in turn by pipeline; On ultra-fine filter, be connected with backwash water output tube I, reverse osmosis unit is connected with strainer by dense water delivery pipe I, is connected with backwash water output tube II on strainer, and ion-exchanger is connected with raw water box by dense water delivery pipe II.
Between above-mentioned raw water box and strainer, be provided with the raw water pump being connected with both, by raw water pump, the water in raw water box be transported to strainer and filter.
Above-mentioned ultrafiltration is produced between water tank and cartridge filter and is provided with the ultrafiltration product water pump being connected with both, produces water pump ultrafiltration is produced to the water introducing cartridge filter in water tank by ultrafiltration.
Between above-mentioned cartridge filter and reverse osmosis unit, be provided with the high-pressure pump being connected with both, the water after cartridge filter filters is introduced reverse osmosis unit and is carried out desalting treatment after high-pressure pump is forced into 2-7Mpa, to improve the desalting effect of reverse osmosis unit.
The membrane pore size of above-mentioned ultra-fine filter is 5nm-0.1 μ m, to ensure the strainability of strainer to former water.
The membrane pore size of above-mentioned reverse osmosis unit is 2-3nm, to ensure the desalting performance of reverse osmosis unit.
In this model,, reuse as producing water the backwash water output of ultra-fine filter by backwash water output tube I; The dense water of reverse osmosis unit is delivered to strainer by dense water delivery pipe I, and strainer is carried out to backwash, the water after backwash by backwash water output tube II output as in water recycling, can or flush the toilet etc. for greening; The dense water of ion-exchanger is directly introduced raw water box by dense water delivery pipe II and is reused as unboiled water.This model can reduce the consumption of soft water preparation system to former water, and in soft water preparation process, the outer water vent of each unit can supplement as producing water or middle water, has effectively saved water resources, has reduced the consumption of water resources, energy-saving and cost-reducing, environmental protection.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment.
In figure, 1-raw water box, 2-raw water pump, 3-strainer, 4-ultra-fine filter, water tank is produced in 5-ultrafiltration, water pump, 7-cartridge filter, 8-high-pressure pump are produced in 6-ultrafiltration, 9-reverse osmosis unit, 10-softening agent, 11-ion-exchanger, 12-backwash water output tube I, the dense water delivery pipe I of 13-, 14-backwash water output tube II, the dense water delivery pipe II of 15-.
Embodiment
For clearly demonstrating the technical characterstic of this programme, below by embodiment, and in conjunction with its accompanying drawing, this programme is set forth.
A kind of recycling model of soft water preparation System drainage, as shown in the figure, it comprise the raw water box 1 that connects in turn by pipeline, raw water pump 2, strainer 3, ultra-fine filter 4(membrane pore size 5nm-0.1 μ m), ultrafiltration produces water tank 5, ultrafiltration to produce water pump 6, cartridge filter 7, high-pressure pump 8, reverse osmosis unit 9(membrane pore size 2-3nm following), softening agent 10 and ion-exchanger 11; On ultra-fine filter 4, be connected with backwash water output tube I 12, reverse osmosis unit 9 is connected with strainer 3 by dense water delivery pipe I 13, is connected with backwash water output tube II 14 on strainer 3, and ion-exchanger 11 is connected with raw water box 1 by dense water delivery pipe II 15.Wherein, raw water pump 2 and ultrafiltration are produced water pump 6 and are all adopted common water pump, and ultrafiltration product water tank 5 refers to the container of the water for depositing ultra-fine filter 4 outputs.
In soft water preparation process, unboiled water (underground water or surface water) enters raw water box 1, by raw water pump 2, undressed raw water in raw water box 1 is filtered to strainer 3, the rear water of filtration is introduced into ultra-fine filter 4 and further filters, water after filtration completes enters ultrafiltration and produces water tank 5, producing water pump 6 by ultrafiltration produces water in water tank 5 by ultrafiltration and introduces cartridge filter 7 and filter thoroughly, water after filtration completes is forced into 2-7Mpa through high-pressure pump 8 and is introduced into reverse osmosis unit 9, carry out desalting treatment, water after desalting treatment enters softening agent 10, remove hardness, or carry out ion-exchange through ion-exchanger 11 again, for the preparation of pure water.
Wherein, the backwash water of ultra-fine filter 4 is exported by backwash water output tube I 12, as producing water recycling; The dense water of reverse osmosis unit 9 is delivered to strainer 3 by dense water delivery pipe I 13, and strainer 3 is carried out to backwash, and the water after backwash reuses as middle water, can or flush the toilet etc. for greening; The dense water of ion-exchanger 11 is directly introduced raw water box 1 by dense water delivery pipe II 15 and is reused as unboiled water.This model can reduce the consumption of soft water preparation system to former water, and in soft water preparation process, the outer water vent of each unit can supplement as producing water or middle water, has effectively saved water resources, has reduced the consumption of water resources, energy-saving and cost-reducing, environmental protection.
This model is in the situation that ensureing normally to prepare soft water or pure water, analyze the draining water quality of each node in soft water preparation system process, adopt the principle of cascade utilization, ion-exchanger 11(is as CEDI) draining water quality optimum, calcium-magnesium-containing ion, reclaims the former water as technique, the backwash water of ultra-fine filter 4 is on strainer in early stage 3 basis, after again holding back macromole and agglutinating matter, arrange outward, its water quality is better than the new water of existing production, wherein contain suspended substance, colloid, particulate, the macromolecular substance such as bacterium and virus, can be used as new water reuse, the dense water of reverse osmosis unit 9, containing concentrated salinity, as calcium, magnesium, chlorine, sulfate radical and carbonate plasma, reclaim the backwash water as strainer 3, because the reverse osmosis concentrated salt solution saltiness adopting is higher, the backwash water of strainer 3 is containing silt, suspended substance, colloid, algae bio and concentrated salinity, reclaim as in water afforest or flush the toilet etc.This model can reduce the consumption of soft water preparation system to former water, meanwhile, the backwash water of strainer 3 and ultra-fine filter 4 can also as in water or produce water, reach the object of water-saving consumption-reduction.
In the utility model, can pass through or adopt existing techniques in realizing without the technical characterictic of describing; do not repeat them here; certainly; above-mentioned explanation is not to restriction of the present utility model; the utility model is also not limited in above-mentioned embodiment; variation, remodeling, interpolation or replacement that those of ordinary skill in the art makes in essential scope of the present utility model, also should belong to protection domain of the present utility model.
Claims (7)
1. a recycling model for soft water preparation System drainage, is characterized in that: it comprises the raw water box, strainer, ultra-fine filter, ultrafiltration product water tank, cartridge filter, reverse osmosis unit, softening agent and the ion-exchanger that connect in turn by pipeline; On ultra-fine filter, be connected with backwash water output tube I, reverse osmosis unit is connected with strainer by dense water delivery pipe I, is connected with backwash water output tube II on strainer, and ion-exchanger is connected with raw water box by dense water delivery pipe II.
2. the recycling model of soft water preparation System drainage according to claim 1, is characterized in that: between described raw water box and strainer, be provided with the raw water pump being connected with both.
3. the recycling model of soft water preparation System drainage according to claim 2, is characterized in that: between described ultrafiltration product water tank and cartridge filter, be provided with the ultrafiltration being connected with both and produce water pump.
4. the recycling model of soft water preparation System drainage according to claim 3, is characterized in that: between described cartridge filter and reverse osmosis unit, be provided with the high-pressure pump being connected with both.
5. the recycling model of soft water preparation System drainage according to claim 4, is characterized in that: the water after described cartridge filter filters is forced into 2-7Mpa through high-pressure pump and enters reverse osmosis unit.
6. the recycling model of soft water preparation System drainage according to claim 5, is characterized in that: the membrane pore size of described ultra-fine filter is 5nm-0.1 μ m.
7. the recycling model of soft water preparation System drainage according to claim 6, is characterized in that: the membrane pore size of described reverse osmosis unit is 2-3nm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420136298.4U CN203754532U (en) | 2014-03-25 | 2014-03-25 | Recycling model of drainage water of soft water preparation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420136298.4U CN203754532U (en) | 2014-03-25 | 2014-03-25 | Recycling model of drainage water of soft water preparation system |
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| Publication Number | Publication Date |
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| CN203754532U true CN203754532U (en) | 2014-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420136298.4U Expired - Fee Related CN203754532U (en) | 2014-03-25 | 2014-03-25 | Recycling model of drainage water of soft water preparation system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103880217A (en) * | 2014-03-25 | 2014-06-25 | 济钢集团有限公司 | Drained water recycling model for soft water preparation system and recycling method |
| CN112340884A (en) * | 2020-11-06 | 2021-02-09 | 北京清核朝华科技有限公司 | Novel radioactive waste liquid treatment system and method for TEU system of nuclear power plant |
-
2014
- 2014-03-25 CN CN201420136298.4U patent/CN203754532U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103880217A (en) * | 2014-03-25 | 2014-06-25 | 济钢集团有限公司 | Drained water recycling model for soft water preparation system and recycling method |
| CN112340884A (en) * | 2020-11-06 | 2021-02-09 | 北京清核朝华科技有限公司 | Novel radioactive waste liquid treatment system and method for TEU system of nuclear power plant |
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| 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: 20140806 Termination date: 20170325 |
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| CF01 | Termination of patent right due to non-payment of annual fee |