CN206783434U - A kind of desalination water pretreatment system - Google Patents
A kind of desalination water pretreatment system Download PDFInfo
- Publication number
- CN206783434U CN206783434U CN201720457069.6U CN201720457069U CN206783434U CN 206783434 U CN206783434 U CN 206783434U CN 201720457069 U CN201720457069 U CN 201720457069U CN 206783434 U CN206783434 U CN 206783434U
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- CN
- China
- Prior art keywords
- water
- filter
- pretreatment system
- reverse osmosis
- anthracite
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- 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.)
- Expired - Fee Related
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
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- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model discloses a kind of desalination water pretreatment system, including industrial water tank, filter booster pump, the first anthracite filter, the second anthracite filter, active carbon filter, reverse osmosis equipment, intermediate water tank with the first anthracite filter parallel connection, the reverse osmosis equipment is connected with concentrated water water tank water inlet, the concentrated water water outlet of water tank is connected with circulating water pipe, and the circulating water pipe is connected with the first anthracite filter, the second anthracite filter, active carbon filter simultaneously by the road water pipes of concentrated water backwashing pump Hou Fen tri-.It is only reverse osmosis concentrated water that the desalination water pretreatment system, which produces waste water, is used for anthracite filter and active carbon filter backwash, wastewater reuse containing reverse osmosis concentrated water, greatly reduces the consumption for producing new water.
Description
Technical field
Water Treatment technical field is the utility model is related to, relates more specifically to a kind of desalination water pretreatment system.
Background technology
With the continuous development of the increase of chemical species, especially fine chemistry industry, water process requires also more and more higher, due to
The development of Industrial Boiler, water quality need soft, less salt amount, hypoxemia amount etc..Traditional Water Treatment is typically pre- using lime
Processing system adds the mode of two level desalination to carry out water process, mainly includes clarifier system, valveless filtering pool system, zwitterion and hands over
Parallel operation primary demineralixation system and mixed ion exchanger two level desalting system.It mainly includes industrial fresh water by being forced into 0.4-
0.6MPa pressure, then the two-way swinging that liquidates enters clarifier after new water- to-water heat exchanger is heated to 40 ± 2 DEG C, while clear
Clear device conical bottom goes out to add flocculant quick lime calcium oxide and flocculation aid ferrous sulfate, hard after lime flocculation precipitation process
Degree can reduce 45-55%, then carry out precipitation process by valveless filtering pool.Enter cation after precipitation process in order to hand over
Parallel operation and anion exchanger carry out one-level desalination, finally enter after mixed ion exchanger carries out two level desalination and are used as demineralized water
It is outer to supply user.Traditional water treatment technology has some deficiency：
1. overall water process heating-up temperature is higher, 40 ± 2 DEG C are heated to from new 15 ± 5 DEG C of water is produced, by processing 100t/h
Water is calculated, it is necessary to heat 8.4GJ heats.
2. the draining pH after clarifier blowdown and valveless filtering pool backwash is between 11.5-12.5, suspension 425-
500mg/L, it is 6-9 compared to standard of drainage pH outside country, suspension 200mg/L differences are larger, and wastewater treatment capacity is big, and cost is high.
3. carrying out one-level desalination using cation and anion exchange device, equipment water yield is low, and regeneration frequency is high, and soda acid dosage is big,
Efflux wastewater pH value in regenerative process is caused to change between 2.4-12.6, draining pH is difficult to control.
4. the cleaning for anthracite filter, active carbon filter need to use new water, serious wave is caused to water resource
Take.
Utility model content
The utility model provides a kind of desalination water pretreatment system, for solve in the prior art for anthracite filter,
The cleaning of active carbon filter need to use new water, and the technical problem of serious waste is caused to water resource.
Adopt the following technical scheme that：A kind of desalination water pretreatment system, including industrial water tank, filter booster pump, first
Anthracite filter, the second anthracite filter, active carbon filter, counter-infiltration with the first anthracite filter parallel connection
Equipment, intermediate water tank, the reverse osmosis equipment are connected with concentrated water water tank water inlet, the concentrated water water outlet of water tank and circulating water pipe
Connection, the circulating water pipe by the roads of concentrated water backwashing pump Hou Fen tri- simultaneously with the first anthracite filter, the second anthracite filter,
Active carbon filter connects.
The desalination water pretreatment system includes heat exchanger, and described heat exchanger one end is connected with filter booster pump, another
End is connected simultaneously with first and second bituminous coal filter.
The desalination water pretreatment system also includes the flocculant injection being arranged between filter booster pump and heat exchanger
Device, bactericide injector.
The desalination water pretreatment system includes reducing agent injector, and described reducing agent injector one end is filtered with activated carbon
Device connects, and the other end is connected simultaneously with first and second bituminous coal filter.
The pH that the desalination water pretreatment system also includes being arranged between inactive carbon filter and reverse osmosis equipment is adjusted
Save agent injector, reverse osmosis membrane antisludging agent injector.
Waste water caused by the utility model is only reverse osmosis concentrated water, is used for anthracite filter and work containing reverse osmosis concentrated water
Property carbon filter backwash, wastewater reuse, greatly reduces the consumption for producing new water；Without acid-base waste fluid in pretreatment system
Discharge, meet country and advocate environmental requirement, cost for wastewater treatment is low；Heating system need not be separately provided, fully saves the energy.
Brief description of the drawings
Fig. 1 the utility model schematic diagrames.
Symbol description
1：Industrial water tank；2：Filter booster pump；3：Heat exchanger；4：First anthracite filter；5：Second anthracite mistake
Filter；6：Active carbon filter；7：Reverse osmosis equipment；8：Intermediate water tank；9：Concentrated water water tank；10：Concentrated water backwashing pump；11：Reverse osmosis
Cleaning water tank thoroughly；12：Flocculant injector；13：Bactericide injector；14：Reducing agent injector；15：PH adjusting agent injector；
16：Reverse osmosis antisludging agent injector；17：Circulating water pipe.
Embodiment
1 pair of the utility model further illustrates below in conjunction with the accompanying drawings.
Referring to accompanying drawing 1, desalination water pretreatment system disclosed in the utility model, including industrial water tank 1, filter booster pump
2nd, the first anthracite filter 4, the second anthracite filter 5, active carbon filter 6, reverse osmosis equipment 7 and reverse osmosis equipment
Connected intermediate water tank 8, reverse osmosis equipment 7 are connected with the water inlet of concentrated water water tank 9, reverse osmosis equipment 7 and the water inlet of concentrated water water tank 9
It is connected, the delivery port of concentrated water water tank 9 is connected with circulating water pipe 17, and the circulating water pipe 17 passes through the tunnels of 10 Hou Fen of concentrated water backwashing pump tri-
Water pipe connects with the first anthracite filter 4, the second anthracite filter 5, active carbon filter 6 simultaneously.Concentrated water backwashing pump 10
It is arranged on circulating water pipe 17.First anthracite filter 4 filters after being connected side by side with the second anthracite filter 5 with activated carbon
Device 6 is connected, and is connected with reverse osmosis equipment 7 with the other end of active carbon filter 6, reverse osmosis equipment 7 for cleaning counter-infiltration with setting
The connection of standby 7 counter-infiltration cleaning water tank 11.
The reverse osmosis equipment is connected with concentrated water water tank water inlet, and the concentrated water water outlet of water tank is connected with circulating water pipe,
The circulating water pipe by the road water pipes of concentrated water backwashing pump Hou Fen tri- simultaneously with the first anthracite filter, the second anthracite filter,
Active carbon filter connects, and allows infiltration concentrated water simultaneously to the first anthracite filter 4, the first anthracite filter 5 with living
Property carbon filter 6 is cleaned, and the concentrated water after cleaning is expelled directly out.
The desalination water pretreatment system includes heat exchanger 3, and described one end of heat exchanger 3 is connected with filter booster pump 2, separately
One end is connected simultaneously with the first bituminous coal filter 4, the second bituminous coal filter 5.The setting of heat exchanger 3 makes water treatment system need not
Heating system is separately provided, fully saves the energy.
The desalination water pretreatment system also includes the flocculant note being arranged between heat exchanger 3 and filter booster pump 2
Enter device 12, bactericide injector 13.Flocculant injector 12, bactericide injector 13 is set to facilitate the processing to water, wherein
Flocculant is added in flocculant injector 12 flocculation sediment mainly is carried out to the colloid in water and suspension, flocculate precipitate is led to
Cross the first anthracite filter 4, the first anthracite filter 5 is filtered to remove；Bactericide is housed in bactericide injector 13, is used for
Algae and organic matter in killing water, removed by the first anthracite filter 4, the first anthracite filter 5, prevent bacterium and
Microorganism is bred in reverse osmosis membrane inner surface, and film wire is damaged.
The desalination water pretreatment system includes reducing agent injector 14, described one end of reducing agent injector 14 and activated carbon
Filter 6 connects, and the other end is connected simultaneously with the first bituminous coal filter 4, the second bituminous coal filter 5.
Reducing agent is housed, the setting of reducing agent injector 14 easily can remove reducing agent in the reducing agent injector
Except the oxidizing substance in raw water, to protect reverse osmosis membrane.
The pH that the desalination water pretreatment system also includes being arranged between active carbon filter 6 and reverse osmosis equipment 7 is adjusted
Save agent injector 14, reverse osmosis antisludging agent injector 15.PH adjusting agent injector 14 is built with pH adjusting agent, pH adjusting agent injection
The setting of device 14 facilitates pH adjusting agent regulation into the water quality pH of counter-infiltration so that pH is controlled in 3-10 so that overall pre- place
Discharged in reason system without acid-base waste fluid, meet country and advocate environmental requirement, cost for wastewater treatment is low；Reverse osmosis membrane antisludging agent injects
Device 16 facilitates reverse osmosis membrane antisludging agent and is used for built with reverse osmosis membrane antisludging agent, the setting of reverse osmosis membrane antisludging agent injector 16
Calcium containing high concentration in water, avoid in the case of magnesium salts producing sl. sol. precipitation, protect reverse osmosis membrane.
Flocculant injector described in the utility model, bactericide injector, reducing agent injector, pH adjusting agent injection
Device, reverse osmosis membrane antisludging agent injector outer surface are provided with 1 milliliter of graduation mark for scale unit, convenient to admixture
Measure.
The course of work：
Industrial fresh water is pressurized to 0.55MPa by filter and controls 20-25 DEG C of water temperature by heat exchanger, into anthracite
Filter carries out the filtering of colloid and solid particle polluter, carries out going for organic matter and chlorine residue into active carbon filter afterwards
Remove, carry out the filtering of calcium and magnesium salt into reverse osmosis equipment afterwards so that pretreated salt rejection rate reaches more than 95%.
A kind of desalination water pretreatment system disclosed in the utility model, it is ingenious in design reasonable, it is used for nothing containing reverse osmosis concentrated water
Bituminous coal filter and active carbon filter backwash, wastewater reuse, greatly reduce the consumption for producing new water；Injector
The processing facilitated to water is set, the inconvenience brought because adding inorganic agent repeatedly is avoided, greatly reduces cost for wastewater treatment
It is low, make to discharge without acid-base waste fluid in overall pretreatment system, meet country and advocate environmental requirement.
Claims (5)
1. a kind of desalination water pretreatment system, including industrial water tank, filter booster pump, the first anthracite filter and first
The second anthracite filter, active carbon filter, reverse osmosis equipment, the intermediate water tank of anthracite filter parallel connection, it is special
Sign is：Reverse osmosis equipment（7）With concentrated water water tank（9）Water inlet is connected, the concentrated water water tank（9）Delivery port and circulating water pipe
（17）Connection, the circulating water pipe（17）Pass through concentrated water backwashing pump（10）The roads of Hou Fen tri- simultaneously with the first anthracite filter（4）,
Two anthracite filters（5）, active carbon filter（6）Connection.
2. desalination water pretreatment system according to claim 1, it is characterised in that the desalination water pretreatment system includes
Heat exchanger（3）, the heat exchanger（3）One end and filter booster pump（2）It is connected, the other end and first and second bituminous coal filter（4、
5）It is connected simultaneously.
3. desalination water pretreatment system according to claim 2, it is characterised in that the desalination water pretreatment system includes
It is arranged on the filter booster pump（2）With heat exchanger（3）Between flocculant injector（12）, bactericide injector（13）.
4. desalination water pretreatment system according to claim 3, it is characterised in that the desalination water pretreatment system includes
Reducing agent injector（14）, the reducing agent injector（14）One end and active carbon filter（6）Connection, the other end and first,
Two bituminous coal filters（4、5）It is connected simultaneously.
5. desalination water pretreatment system according to claim 4, it is characterised in that the desalination water pretreatment system includes
It is arranged on active carbon filter（6）With reverse osmosis equipment（7）Between pH adjusting agent injector（15）, reverse osmosis membrane antisludging agent note
Enter device（16）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720457069.6U CN206783434U (en) | 2017-04-27 | 2017-04-27 | A kind of desalination water pretreatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720457069.6U CN206783434U (en) | 2017-04-27 | 2017-04-27 | A kind of desalination water pretreatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206783434U true CN206783434U (en) | 2017-12-22 |
Family
ID=60708776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720457069.6U Expired - Fee Related CN206783434U (en) | 2017-04-27 | 2017-04-27 | A kind of desalination water pretreatment system |
Country Status (1)
| Country | Link |
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| CN (1) | CN206783434U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113249137A (en) * | 2021-04-15 | 2021-08-13 | 甘肃宏汇能源化工有限公司 | Process for prolonging service life of catalyst in coal tar hydrogenation technology |
-
2017
- 2017-04-27 CN CN201720457069.6U patent/CN206783434U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113249137A (en) * | 2021-04-15 | 2021-08-13 | 甘肃宏汇能源化工有限公司 | Process for prolonging service life of catalyst in coal tar hydrogenation technology |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171222 Termination date: 20180427 |