CN203938502U - A kind of continuous closed circuit cycle pulse desalination system - Google Patents
A kind of continuous closed circuit cycle pulse desalination system Download PDFInfo
- Publication number
- CN203938502U CN203938502U CN201420231431.4U CN201420231431U CN203938502U CN 203938502 U CN203938502 U CN 203938502U CN 201420231431 U CN201420231431 U CN 201420231431U CN 203938502 U CN203938502 U CN 203938502U
- Authority
- CN
- China
- Prior art keywords
- reverse
- water
- reverse osmosis
- closed circuit
- desalination system
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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 - Lifetime
Links
- 238000010612 desalination reaction Methods 0.000 title claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 81
- 238000001223 reverse osmosis Methods 0.000 claims abstract description 70
- 239000012528 membrane Substances 0.000 claims abstract description 32
- 238000011033 desalting Methods 0.000 abstract description 12
- 238000005406 washing Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 3
- 239000010865 sewage Substances 0.000 abstract description 3
- 238000011084 recovery Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009183 running Effects 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model relates to technical field of sewage, relate in particular to a kind of continuous closed circuit cycle pulse desalination system, comprise reverse osmosis unit, reverse osmosis unit is connected in parallel to and can orders about the circulation device that dense water that reverse osmosis unit discharges carries out internal recycle, reverse osmosis unit is provided with water-in and produces the mouth of a river, reverse osmosis unit comprises the reverse-osmosis membrane element that several are connected in parallel, and circulation device is provided with concentrated water discharge mouth, and concentrated water discharge mouth place is provided with pulse valve.During the concentrated water discharge of a kind of continuous closed circuit cycle pulse desalination system output of the present utility model, through pulse valve pulsed, discharge, the pressure on the reverse-osmosis membrane element both sides that are connected in parallel in reverse osmosis unit can change, to cause reverse-osmosis membrane element to shake, and under the washing away of water, can effectively prevent the surface scale of reverse-osmosis membrane element, simultaneously can the foreign material shake that be attached to reverse-osmosis membrane element surface is de-, guarantee that reverse-osmosis membrane element still keeps good desalting treatment ability through long-time use.
Description
Technical field
The utility model relates to technical field of sewage, relates in particular to a kind of continuous closed circuit cycle pulse desalination system.
Background technology
Sanitary sewage will reach the standard that can discharge or can reach the standard again recycling, and need to carry out desalting treatment; Seawater is desalinated processing, also needs to carry out desalting treatment; Former water is produced into the purified water of pharmaceutical purpose, also needs to carry out desalting treatment.Existing a kind of be can carry out desalting treatment to former water by closed cycle waterpower desalting method, former water is the meeting satisfactory water of output and a part of dense water after desalting treatment, according to closed cycle desalination (CCD) method, the former water being pressurized circulates to reach the rate of recovery of expectation under hydraulic pressure, then discharge dense water, introduce new former water and carry out again next round circulation.But the above-mentioned former water desalination treatment technology of mentioning requires to be used alternatingly two large water tanks to realize the continuous service of former water desalination treatment system, in large water tank, also need to pass into continuously new water source, cause former water desalination processing cost high, and the reverse osmosis membrane using in the above-mentioned former water desalination treatment technology of mentioning is meeting fouling after long-time use, affect the filter effect of reverse osmosis membrane, cause desalting treatment ability to decline.
Utility model content
The purpose of this utility model is to provide a kind of continuous closed circuit cycle pulse desalination system for the deficiencies in the prior art, discharges dense water few, and the product water rate of recovery that it can reach expectation at lower cost has advantages of the permeable membrane of preventing fouling simultaneously.
For achieving the above object, a kind of continuous closed circuit cycle pulse desalination system of the present utility model, comprise reverse osmosis unit, reverse osmosis unit is connected in parallel to and can orders about the circulation device that dense water that reverse osmosis unit discharges carries out internal recycle, reverse osmosis unit is provided with water-in and produces the mouth of a river, reverse osmosis unit comprises the reverse-osmosis membrane element that several are connected in parallel, and circulation device is provided with concentrated water discharge mouth, and concentrated water discharge mouth place is provided with pulse valve.
Wherein, between described water-in and reverse osmosis unit, install and be connected with former water supercharging device, former water supercharging device comprises topping-up pump, the first pressure unit and the first specific conductivity monitor sequentially connecting.
Wherein, described circulation device comprises recycle pump, the second pressure unit and the electric T-shaped valve sequentially connecting; Another two valve ports of electric T-shaped valve are communicated with water-in and concentrated water discharge mouth respectively.
Wherein, between described pulse valve and electric T-shaped valve, be provided with the second specific conductivity monitor.
Wherein, described topping-up pump is provided with some, and some topping-up pumps are connected in parallel.
Wherein, described recycle pump is provided with some, and some recycle pumps are connected in parallel.
Wherein, described reverse-osmosis membrane element is Tao Shi anti-pollution reverse osmosis membrane.
Wherein, described water inlet is installed and is connected with and the two-way valve that produces the mouth of a river and be communicated with.
The beneficial effects of the utility model: a kind of continuous closed circuit cycle pulse desalination system of the present utility model, former water enters reverse osmosis unit from water-in and carries out reverse osmosis desalination processing, through reverse osmosis desalination, processing the satisfactory water of rear portion collects from producing mouth of a river output, produce a part of dense water enters into circulation device and inputs to former water that the water inlet of reverse osmosis unit passes into water-in and mix and again carry out reverse osmosis desalination processing simultaneously, when circulation device detects dense water and meets the standard of discharge, the concentrated water discharge mouth arranging by circulation device discharges, during concentrated water discharge, through pulse valve pulsed, discharge, the pressure on the reverse-osmosis membrane element both sides that are connected in parallel in reverse osmosis unit can change, to cause reverse-osmosis membrane element to shake, and under the washing away of water, can effectively prevent the surface scale of reverse-osmosis membrane element, simultaneously can the foreign material shake that be attached to reverse-osmosis membrane element surface is de-, guarantee that reverse-osmosis membrane element still keeps good desalting treatment ability through long-time use.
Accompanying drawing explanation
Fig. 1 is connection block diagram of the present utility model.
Fig. 2 is the connection block diagram that the utility model water inlet is provided with two-way valve.
Reference numeral comprises:
10-reverse osmosis unit, 11-water-in 12-product mouth of a river
13-reverse-osmosis membrane element, 14-two-way valve, 21-recycle pump
22-the second pressure unit 23-electric T-shaped valve 24-concentrated water discharge mouth
25-pulse valve, 26-the second specific conductivity monitor 31-topping-up pump
32-the first pressure unit the 33-the first specific conductivity monitor.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
As shown in Figure 1, a kind of continuous closed circuit cycle pulse desalination system of the present utility model, comprise reverse osmosis unit 10, reverse osmosis unit 10 is connected in parallel to and can orders about the circulation device that dense water that reverse osmosis unit 10 discharges carries out internal recycle, reverse osmosis unit 10 is provided with water-in 11 and produces the mouth of a river 12, reverse osmosis unit 10 comprises several reverse-osmosis membrane elements being connected in parallel 13, and circulation device is provided with concentrated water discharge mouth 24, and concentrated water discharge mouth 24 places are provided with pulse valve 25.Concrete, former water enters reverse osmosis unit 10 from water-in 11 and carries out reverse osmosis desalination processing, through reverse osmosis desalination, processing the satisfactory water of rear portion collects from producing the mouth of a river 12 outputs, produce a part of dense water enters into circulation device and inputs to former water that water-in 11 places of reverse osmosis unit 10 pass into water-in 11 and mix and again carry out reverse osmosis desalination processing simultaneously, when circulation device detects dense water and meets the standard of discharge, the concentrated water discharge mouth 24 arranging by circulation device discharges, during concentrated water discharge, through pulse valve 25 pulseds, discharge, the pressure on reverse-osmosis membrane element 13 both sides that are connected in parallel in reverse osmosis unit 10 can change, to cause reverse-osmosis membrane element 13 to shake, and under the washing away of water, can effectively prevent the surface scale of reverse-osmosis membrane element 13, simultaneously can the foreign material shake that be attached to reverse-osmosis membrane element 13 surfaces is de-, guarantee that reverse-osmosis membrane element 13 still keeps good desalting treatment ability through long-time use.
In the present embodiment, between described water-in 11 and reverse osmosis unit 10, install and be connected with former water supercharging device, former water supercharging device comprises topping-up pump 31, the first pressure unit 32 and the first specific conductivity monitor 33 sequentially connecting.Concrete, former water enters into former water topping-up pump 31, and pressure rise is to set(ting)value, and the first pressure unit 32 can show pressure when Real-time Water passes into and the aperture of the by-pass valve control that arranges by self is carried out on-line Control pressure; Meanwhile, the first specific conductivity monitor 33 can detect the dense electrical conductivity of water that enters reverse osmosis unit 10 in real time, judges that this dense water is need to continue to pass into reverse osmosis unit 10 to carry out desalting treatment, or discharges through concentrated water discharge mouth 24.
In the present embodiment, described circulation device comprises recycle pump 21, the second pressure unit 22 and the electric T-shaped valve 23 sequentially connecting; Another two valve ports of electric T-shaped valve 23 are communicated with water-in 11 and concentrated water discharge mouth 24 respectively; Wherein, between described pulse valve 25 and electric T-shaped valve 23, be provided with the second specific conductivity monitor 26.Concrete, after former water and dense water mix during through the first specific conductivity monitor 33, when the first specific conductivity monitor 33 detects electrical conductivity of water and reaches expected value, transmit a signal to electric T-shaped valve 23 and switch pipeline, electric T-shaped valve 23 switches after pipeline, dense water is discharged through the second specific conductivity monitor 26 and pulse valve 25, after fresh dense water replaces the dense water in circulation device completely, transmits a signal to electric T-shaped valve 23 and continues to be switched to circulation device and carry out internal recycle pattern.Wherein, dense water is through pulse valve 25, dense Aquapulse formula is discharged, the pressure on reverse-osmosis membrane element 13 both sides can change, and to cause reverse-osmosis membrane element 13 to shake, and under the washing away of water, can effectively prevent film surface scale.
The utility model need to periodically discharge dense water at demineralising process, and introduce fresh former water in closed cycle to reach the rate of recovery of expectation.Utilize T-valve to realize and from closed cycle, discharge dense water, the control of whole desalination system realizes by the first online specific conductivity monitor 33 and the second specific conductivity monitor 26, wherein the first specific conductivity monitor 33 provides signal and can not promote again and carry out concentrated water discharge when the rate of recovery, similarly, the second specific conductivity monitor 26 provides signal and shows that dense water has discharged and can again enter into internal recycle pattern.
In the present embodiment, described topping-up pump 31 has some, and some topping-up pumps 31 are connected in parallel.Topping-up pump 31 can be selected to replace with constant pressure pump, or the replacement of the pump of constant current changeable pressure, according to required operator scheme, selects.Obviously, the utility model can be selected a suitable topping-up pump 31 or several 31 while of suitable topping-up pump paired runnings as required.
In the present embodiment, described recycle pump 21 has some, some the recycle pumps that are connected in parallel 21 can be moved simultaneously as required.
In the present embodiment, described reverse-osmosis membrane element 13 is Tao Shi anti-pollution reverse osmosis membrane.Tao Shi anti-pollution reverse osmosis membrane carries out desalting treatment, and the water rate of recovery can reach 85%-95%.
As shown in Figure 2, install and be connected with and the two-way valve 14 that produces the mouth of a river 12 and be communicated with at described water-in 11 places, can be so that in the situation that not using topping-up pump 31, realize independent maintenance and cleaning with two-way valve 14.
Above content is only preferred embodiment of the present utility model, for those of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, this description should not be construed as restriction of the present utility model.
Claims (8)
1. a continuous closed circuit cycle pulse desalination system, it is characterized in that: comprise reverse osmosis unit (10), reverse osmosis unit (10) is connected in parallel to and can orders about the circulation device that dense water that reverse osmosis unit (10) discharges carries out internal recycle, reverse osmosis unit (10) is provided with water-in (11) and produces the mouth of a river (12), reverse osmosis unit (10) comprises several reverse-osmosis membrane elements being connected in parallel (13), circulation device is provided with concentrated water discharge mouth (24), and concentrated water discharge mouth (24) locates to be provided with pulse valve (25).
2. a kind of continuous closed circuit cycle pulse desalination system according to claim 1, it is characterized in that: between described water-in (11) and reverse osmosis unit (10), install and be connected with former water supercharging device, former water supercharging device comprises topping-up pump (31), the first pressure unit (32) and the first specific conductivity monitor (33) sequentially connecting.
3. a kind of continuous closed circuit cycle pulse desalination system according to claim 2, is characterized in that: described circulation device comprises recycle pump (21), the second pressure unit (22) and the electric T-shaped valve (23) sequentially connecting; Another two valve ports of electric T-shaped valve (23) are communicated with water-in (11) and concentrated water discharge mouth (24) respectively.
4. a kind of continuous closed circuit cycle pulse desalination system according to claim 3, is characterized in that: between described pulse valve (25) and electric T-shaped valve (23), be provided with the second specific conductivity monitor (26).
5. a kind of continuous closed circuit cycle pulse desalination system according to claim 2, is characterized in that: described topping-up pump (31) is provided with some, and some topping-up pumps (31) are connected in parallel.
6. a kind of continuous closed circuit cycle pulse desalination system according to claim 3, is characterized in that: described recycle pump (21) is provided with some, and some recycle pumps (21) are connected in parallel.
7. a kind of continuous closed circuit cycle pulse desalination system according to claim 1, is characterized in that: described reverse-osmosis membrane element (13) is Tao Shi anti-pollution reverse osmosis membrane.
8. a kind of continuous closed circuit cycle pulse desalination system according to claim 1, is characterized in that: described water-in (11) is located to install and is connected with and the two-way valve (14) that produces the mouth of a river (12) and be communicated with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420231431.4U CN203938502U (en) | 2014-05-08 | 2014-05-08 | A kind of continuous closed circuit cycle pulse desalination system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420231431.4U CN203938502U (en) | 2014-05-08 | 2014-05-08 | A kind of continuous closed circuit cycle pulse desalination system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203938502U true CN203938502U (en) | 2014-11-12 |
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ID=51857835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420231431.4U Expired - Lifetime CN203938502U (en) | 2014-05-08 | 2014-05-08 | A kind of continuous closed circuit cycle pulse desalination system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203938502U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104843886A (en) * | 2014-11-27 | 2015-08-19 | 重庆摩尔水处理设备有限公司 | Energy-saving system with reverse osmosis device |
| CN113429040A (en) * | 2020-03-23 | 2021-09-24 | 广州久道家用电器有限公司 | Movable environment-friendly multifunctional emergency disinfection device |
| CN114074972A (en) * | 2020-08-12 | 2022-02-22 | 云米互联科技(广东)有限公司 | Household water purifying device and under-kitchen water purifier |
-
2014
- 2014-05-08 CN CN201420231431.4U patent/CN203938502U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104843886A (en) * | 2014-11-27 | 2015-08-19 | 重庆摩尔水处理设备有限公司 | Energy-saving system with reverse osmosis device |
| CN113429040A (en) * | 2020-03-23 | 2021-09-24 | 广州久道家用电器有限公司 | Movable environment-friendly multifunctional emergency disinfection device |
| CN114074972A (en) * | 2020-08-12 | 2022-02-22 | 云米互联科技(广东)有限公司 | Household water purifying device and under-kitchen water purifier |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 523000 the old tiger road in Banana Village, Zhong Tang Town, Dongguan, Guangdong Patentee after: GUANGDONG HUIYUAN ENVIRONMENTAL ENGINEERING Co.,Ltd. Address before: 523000 room 703, Zhongfu building, Zai Hua Road, Nancheng District, Dongguan, Guangdong Patentee before: DONGGUAN WELLLSOURCE TRADING Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141112 |