CN1686844A - System unit for desalting tap water containing high salt - Google Patents
System unit for desalting tap water containing high salt Download PDFInfo
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- CN1686844A CN1686844A CN 200510025260 CN200510025260A CN1686844A CN 1686844 A CN1686844 A CN 1686844A CN 200510025260 CN200510025260 CN 200510025260 CN 200510025260 A CN200510025260 A CN 200510025260A CN 1686844 A CN1686844 A CN 1686844A
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Abstract
The present invention relates to a desalting system equipment for running water with high salt content. Said desalting system equipment mainly includes active carbon adsorption filter tank, safety filter, ultrafiltration component, nano filtering component, clean water tank, pure water tank, ultrafiltration water supply pump, nano filtration water supply pump and various valves and pipelines.
Description
Technical field
The utility model relates to a kind of system unit for desalting tap water containing high salt, is mainly used in because the desalting treatment of the tap water containing high salt that inwelling causes belongs to water treatment and device technique field thereof.
Background technology
Current coastland is along with development of industry and agriculture, and the increase of water consumption, inwelling have the trend that enlarges year by year.Inwelling causes the tap water saltiness sharply to raise, and directly causes local resident's dysdipsia.China's three Da Dao Shanghai City Chongming Island inwelling phenomenons are particularly serious.Inwelling directly causes local waterworks tap water saltiness to be increased to 2500～3600mg/L, and (normal circumstances saltiness＜150mg/L reaches as high as 5000mg/L.Therefore, it is particularly important to solve the desalination problem of the tap water containing high salt that inwelling causes.
Inwelling causes in the water source of tap water, except that conventional impurity, bacterium, also has particulate in the seawater, colloid, organism, microorganism etc.Methods such as current system tap water common process such as activated carbon filtration, ultraviolet-sterilization, ozonize, be difficult to remove these objectionable impuritiess, particularly seldom consider removal in the common process to salinity in the water, directly influence the quality of tap water, not only mouthfeel is poor, and too high salinity also can damage HUMAN HEALTH.Mention method in the U.S. Pat 6120689 with the reverse osmosis membrane processing tap water.Because the reverse osmosis membrane working pressure is bigger, it is bigger to purify energy consumption, in the objectionable impurities, has also removed the inorganic substance to the human body beneficial in addition in removing water.Chinese patent CN1245149A, CA2325096Y etc. have mentioned the method that tap water is purified with nanofiltration, and this method is being removed the bivalent ions while, and the dialysis part is to human body beneficial's sodium ion and potassium ion.Chinese patent CN1245149A adopts direct with the method for tap water through the nanofiltration membrane filtering separation, and a large amount of impurity in the water very easily stop up fenestra, greatly reduce the work-ing life of nanofiltration membrane.Chinese patent CN2325096Y adopts preposition candle filter and activated charcoal filter, in conjunction with the method for nanofiltration tap water is handled, because cracked particle very easily enters in the nanofiltration membrane component in the activated charcoal filter, causes nanofiltration membrane sharply to descend work-ing life.Particularly foreign matter content is more much higher than general tap water in the tap water containing high salt that causes of inwelling, is difficult to get a desired effect with general nanofiltration.
Summary of the invention
The purpose of this utility model provides a kind of system and device to the efficient desalting treatment of tap water containing high salt.Another purpose of the present utility model provides a kind of nanofiltration assembly of more satisfactory nanofiltration membrane.
Above-mentioned purpose of the present utility model is achieved by the following technical solution.
A kind of system unit for desalting tap water containing high salt mainly includes charcoal absorption hay tank, security personnel's strainer, ultrafiltration module, nanofiltration assembly, filtered water tank, clear water tanks, ultrafiltration working shaft, nanofiltration working shaft and each valve and pipeline etc.; It is characterized in that: charcoal absorption hay tank top is provided with tap water containing high salt water inlet pipe and water-in, the bottom has pipeline to link to each other with security personnel's strainer, security personnel's strainer top has pipeline to link to each other with filtered water tank, and the filtered water tank bottom is provided with pipeline and is connected with ultrafiltration module by the ultrafiltration working shaft; The top of ultrafiltration module is provided with pipeline and leads up to ultrafiltration and concentration water reverse flow valve by threeway and be connected with the filtered water tank top by pipeline, make part ultrafiltration and concentration water be back to filtered water tank, another road is connected with sewage draining exit by the ultrafiltration and concentration water discharging valve, and partial concentration water is discharged; Ultrafiltration module top also is provided with pipeline and links to each other with clear water tanks, and pipeline is provided with ultrafiltration and cleans back-water valve and ultrafiltration outlet valve, and filtered clear water enters in the clear water tanks through this ultrafiltration outlet valve; The clear water tanks bottom has pipeline to be connected with the nanofiltration assembly by the nanofiltration working shaft, one end of nanofiltration assembly is provided with pipeline leads up to nanofiltration condensed water reverse flow valve by threeway and is connected by Guan Tongyu clear water tanks top, and another road is connected with sewage draining exit by nanofiltration condensed water bleed valve; Nanofiltration assembly one side is provided with pipe and crosses threeway all and respectively be respectively arranged with nanofiltration in its both sides and clean back-water valve and nanofiltration outlet valve, finally is fed to user by this nanofiltration outlet valve by pipe is logical through the peace and quiet water of nanofiltration assembly.
In the utility model, the filtrate medium of described charcoal absorption hay tank is the shell-shaped granulated active carbon with higher mechanical strength.Described security personnel's strainer is a strainer of selecting the lamination clearance type structure of 50 μ m polypropylene films for use.It is two cortex ring texture hollow fiber ultrafiltration membrane of 2～50,000 daltonian polysulfones or inorganic ceramic ultra-filtration membrane that its ultra filtration unit of described ultrafiltration module adopts molecular weight cut-off.Its nano-filtration unit of described nanofiltration assembly adopts rolling antipollution composite nanometer filtering film, and this rolling antipollution composite nanometer filtering film is a three-decker, and promptly aromatic polyamides, polyester non-woven fabric and polysulfones superpolymer constitute.
The advantage of the utility model tap water containing high salt dewatering system device is that processing unit is simple, and is easy and convenient to handle, level of automation is high, energy consumption is little, efficient is high, producing water ratio is high, and cost is low.This device is specially adapted to handle the tap water containing high salt that is caused by inwelling, improves rational associated plant by charcoal absorption hay tank, security personnel's strainer, ultra-fine filter, nanofiltration device four roads successively, finally can obtain to meet the tap water of national standard.
Description of drawings
Fig. 1 is the rough schematic of the utility model system unit for desalting tap water containing high salt.
The meaning representation of each digital code is as follows among the figure:
1-charcoal absorption hay tank, 2 security personnel strainers, 3-filtered water tanks, 4-ultrafiltration working shaft, 5-ultrafiltration and concentration water day stream valve, 6-ultrafiltration and concentration water discharging valve, 7-sewage draining exit, 8-ultrafiltration cleaned back-water valve, 9-ultrafiltration outlet valve, 10-ultrafiltration module, 11-clear water tanks, 12-nanofiltration working shaft, 13-nanofiltration condensed water reverse flow valve, 14-nanofiltration condensed water bleed valve, 15-sewage draining exit, 16-nanofiltration assembly, 17-nanofiltration and cleaned back-water valve, 18-nanofiltration outlet valve.
Embodiment
Now embodiment of the present utility model is described in further detail in conjunction with the accompanying drawings in after.
Embodiment 1:
Referring to Fig. 1, a kind of tap water containing high salt dewatering system device mainly includes charcoal absorption hay tank 1, security personnel's strainer 2, ultrafiltration module 10, nanofiltration assembly 16, filtered water tank 3, clear water tanks 11, ultrafiltration working shaft 4, nanofiltration working shaft 12 and each valve and pipeline etc.Charcoal absorption hay tank 1 top is provided with tap water containing high salt water inlet pipe and water-in, the bottom has pipeline to link to each other with security personnel's strainer 2, security personnel's strainer 2 tops have pipeline to link to each other with filtered water tank 3, and filtered water tank 3 bottoms are provided with pipeline and are connected with ultrafiltration module 10 by ultrafiltration working shaft 4; The top of ultrafiltration module 10 is provided with pipeline and leads up to hyperconcentration water reverse flow valve 5 by threeway and be connected with filtered water tank 3 tops by pipeline, the part ultrafiltration is shunk be back to filtered water tank 3, another road is connected with sewage draining exit 7 by ultrafiltration and concentration water discharging valve 6, and partial concentration water is discharged; Ultrafiltration module 10 tops also are provided with Guan Tongyu clear water tanks 11 and link to each other, and pipeline is provided with ultrafiltration and cleans back-water valve 8 and ultrafiltration outlet valve 9, and the clear water of process ultrafiltration enters in the clear water tanks 11 through this ultrafiltration outlet valve 9; Clear water tanks 11 bottoms have pipeline to be connected with nanofiltration assembly 16 by nanofiltration working shaft 12, one end of nanofiltration assembly 16 is provided with pipeline leads up to nanofiltration condensed water reverse flow valve 13 by threeway and is connected with clear water tanks 11 tops by pipeline, and another road is connected with sewage draining exit 15 by nanofiltration condensed water bleed valve 14; Nanofiltration assembly 16 1 sides are provided with pipeline and respectively are respectively arranged with nanofiltration by threeway at it and clean recovery valve 17 and nanofiltration outlet valve 18, finally are fed to user by this nanofiltration outlet valve 18 by pipeline through the peace and quiet water of nanofiltration assembly 16.
In the present embodiment, the filtrate medium of above-mentioned charcoal absorption hay tank is the shell-shaped granulated active carbon with higher mechanical strength.Above-mentioned security personnel's strainer is a strainer of selecting the lamination clearance type structure of 50 μ m polypropylene films for use.It is two cortex ring texture hollow fiber ultrafiltration membrane of 2～5 daltonian polysulfones or inorganic ceramic ultra-filtration membrane that its ultra filtration unit of above-mentioned ultrafiltration module adopts molecular weight cut-off.Its nano-filtration unit of above-mentioned nanofiltration assembly adopts rolling antipollution composite nanometer filtering film, and this rolling antipollution composite nanometer filtering film is a three-decker, and promptly aromatic polyamides, polyester non-woven fabric and polysulfones superpolymer constitute.
The specific operation process of present embodiment system unit for desalting is as described below:
Tap water containing high salt at first enters charcoal absorption hay tank 1 with the dissolved organic matter in the removal tap water, suspended substance, chlorine residue etc., enter security personnel's strainer 2 then, remove grain through fine particle, and prevent that cracked activated carbon granule from entering the downstream film assembly greater than 50 μ m; And then flow in the filtered water tank 3, by ultrafiltration working shaft 4 under working pressure 0.2Mpa, make that water enters ultrafiltration module 10 in the filtered water tank 3, and close ultrafiltration and clean back-water valve 8, open ultrafiltration outlet valve 9, regulate ultrafiltration and concentration water reverse flow valve 5 and ultrafiltration and concentration water discharging valve 6, make condensed water partial reflux, partial discharge, to improve the utilization ratio of water; Water purification through ultrafiltration module 10 and ultrafiltration outlet valve 9 flows in the clear water tanks 11, this moment, tap water became clean salt solution through above-mentioned processing, and its delivery turbidity, pollution index, total content of organic carbon, bacterium and algae etc. have reached the water inlet condition that enters nanofiltration membrane down together; In order further to remove salt, utilize the selection perviousness of nanofiltration membrane, remove most divalent ions and most of monovalent ion, this water purification is further entered nanofiltration membrane treatment again; Be contained in the clear water tanks 11 water again by nanofiltration working shaft 12 under working pressure 0.7Mpa, make the water in the clear water tanks 11 enter nanofiltration assembly 16, close nanofiltration and clean back-water valve 17, open nanofiltration outlet valve 18, regulate nanofiltration condensed water reverse flow valve 13 and nanofiltration condensed water bleed valve 14, make condensed water partial discharge, partial reflux, with the utilization of further raising water, the clean water of handling through nanofiltration is sent to the user by pipeline through nanofiltration outlet valve 18.
Clean water after this practical system unit for desalting tap water containing high salt is handled, its water quality can be up to state standards.
After tested, prepared tap water, its hardness＜4%, vitriol＜2%, muriate＜25%, TDS (total dissolved solid amount) reduces by 85%, and former water use efficiency reaches more than 76%.
Before carrying out nanofiltration membrane treatment, promptly before entering the nanofiltration assembly, the water purifying quality index is: delivery turbidity NTU＜0.1, total content of organic carbon TOC is 8～10mg/L, pollution index SDI＜1, bacterium CUF/100ml＜10 reach the requirement of nanofiltration membrane water inlet fully.
Claims (5)
1. system unit for desalting tap water containing high salt, mainly include charcoal absorption hay tank (1), security personnel's strainer (2), ultrafiltration module (10), nanofiltration assembly (16), filtered water tank (3), clear water tanks (11), ultrafiltration working shaft (4), nanofiltration working shaft (12), and each valve and pipeline etc.; It is characterized in that: charcoal absorption hay tank (1) top is provided with tap water containing high salt water inlet pipe and water-in, the bottom has pipeline to link to each other with security personnel's strainers (2), security personnel's strainer top has pipeline to link to each other with filtered water tank (3), and filtered water tank (3) bottom is provided with pipeline and is connected with ultrafiltration module (10) by ultrafiltration working shaft (4); The top of ultrafiltration module (10) is provided with pipeline and leads up to ultrafiltration and concentration water reverse flow valve (5) by threeway and be connected with filtered water tank (3) top by pipeline, make part ultrafiltration and concentration water be back to filtered water tank (3), another road is connected with sewage draining exit (7) by ultrafiltration and concentration water discharging valve (6), and partial concentration water is discharged; Ultrafiltration module (10) top also is provided with pipeline and links to each other with clear water tanks (11), and pipeline is provided with that back-water valve (8) is cleaned in ultrafiltration and ultrafiltration goes out the family of power and influence (9), enters in the clear water tanks (11) through this ultrafiltration outlet valve (4) through the clear water of ultrafiltration; Clear water tanks (11) bottom has pipeline to be connected with nanofiltration assembly (16) by nanofiltration working shaft (12), one end of nanofiltration assembly (16) is provided with pipeline leads up to nanofiltration condensed water reverse flow valve (13) by threeway and is connected with clear water tanks (11) top by pipeline, and another road is connected with sewage draining exit (15) by nanofiltration condensed water bleed valve (14); Nanofiltration assembly (16) one sides are provided with pipeline and respectively are respectively arranged with nanofiltration cleaning back-water valve (17) and nanofiltration outlet valve (18) in its both sides by threeway, and finally the peace and quiet water through nanofiltration assembly (16) is fed to the user by this nanofiltration outlet valve (18) by pipeline.
2. a kind of system unit for desalting tap water containing high salt as claimed in claim 1, the filtrate medium that it is characterized in that described charcoal absorption hay tank are the shell-shaped granulated active carbon with higher mechanical strength.
3. a kind of system unit for desalting tap water containing high salt as claimed in claim 1 is characterized in that described security personnel's strainer is a strainer of selecting the lamination clearance type structure of 50 μ m polypropylene films for use.
4. a kind of system unit for desalting tap water containing high salt as claimed in claim 1 is characterized in that it is two cortex ring texture hollow fiber ultrafiltration membrane of 2～50,000 daltonian polysulfones or inorganic ceramic ultra-filtration membrane that its ultra filtration unit of described ultrafiltration module adopts molecular weight cut-off.
5. a kind of system unit for desalting tap water containing high salt as claimed in claim 1, it is characterized in that its nano-filtration unit of described nanofiltration assembly adopts rolling antipollution composite nanometer filtering film, this rolling antipollution composite nanometer filtering film is a three-decker, and promptly aromatic polyamides, polyester non-woven fabric and polysulfones superpolymer constitute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510025260 CN1686844A (en) | 2005-04-21 | 2005-04-21 | System unit for desalting tap water containing high salt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510025260 CN1686844A (en) | 2005-04-21 | 2005-04-21 | System unit for desalting tap water containing high salt |
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| CN1686844A true CN1686844A (en) | 2005-10-26 |
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| CN 200510025260 Pending CN1686844A (en) | 2005-04-21 | 2005-04-21 | System unit for desalting tap water containing high salt |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101318722B (en) * | 2007-06-06 | 2011-10-26 | 昆山太得隆机械有限公司 | Removable sewage water recycling and processing equipment with membrane process |
| CN101700109B (en) * | 2009-12-07 | 2012-05-30 | 浙江大学 | Picked vegetable salted pehtze automatic desalter and method |
| CN102976535A (en) * | 2012-12-13 | 2013-03-20 | 云南昆钢水净化科技有限公司 | Method for processing and recycling strong brine by membrane desalination process |
| CN104445692A (en) * | 2014-11-27 | 2015-03-25 | 新疆德蓝股份有限公司 | Method for purifying bitter salty water into micro salt-containing water |
| CN109293050A (en) * | 2018-10-19 | 2019-02-01 | 江阴市强力化纤有限公司 | Chinlon 6 section deoxidation desalted water preparation system |
-
2005
- 2005-04-21 CN CN 200510025260 patent/CN1686844A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101318722B (en) * | 2007-06-06 | 2011-10-26 | 昆山太得隆机械有限公司 | Removable sewage water recycling and processing equipment with membrane process |
| CN101700109B (en) * | 2009-12-07 | 2012-05-30 | 浙江大学 | Picked vegetable salted pehtze automatic desalter and method |
| CN102976535A (en) * | 2012-12-13 | 2013-03-20 | 云南昆钢水净化科技有限公司 | Method for processing and recycling strong brine by membrane desalination process |
| CN102976535B (en) * | 2012-12-13 | 2014-06-25 | 云南昆钢水净化科技有限公司 | Method for processing and recycling strong brine by membrane desalination process |
| CN104445692A (en) * | 2014-11-27 | 2015-03-25 | 新疆德蓝股份有限公司 | Method for purifying bitter salty water into micro salt-containing water |
| CN104445692B (en) * | 2014-11-27 | 2016-06-22 | 新疆德蓝股份有限公司 | A kind of bitter purifies the method for micro-brackish water |
| CN109293050A (en) * | 2018-10-19 | 2019-02-01 | 江阴市强力化纤有限公司 | Chinlon 6 section deoxidation desalted water preparation system |
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