CN215048900U - Reverse osmosis concentrated water recovery device - Google Patents
Reverse osmosis concentrated water recovery device Download PDFInfo
- Publication number
- CN215048900U CN215048900U CN202121067789.4U CN202121067789U CN215048900U CN 215048900 U CN215048900 U CN 215048900U CN 202121067789 U CN202121067789 U CN 202121067789U CN 215048900 U CN215048900 U CN 215048900U
- Authority
- CN
- China
- Prior art keywords
- reverse osmosis
- water
- pressure
- low
- concentrated water
- Prior art date
- 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.)
- Active
Links
Images
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model discloses a reverse osmosis concentrated water recovery device, which comprises a security filter for filtering water from a water pump, wherein the security filter is connected with a reverse osmosis device through a high-pressure pump; the reverse osmosis device is connected with a reverse osmosis water production tank through a first branch; the reverse osmosis device is connected with the low-pressure reverse osmosis device through a second branch; and the low-pressure reverse osmosis device is respectively connected with the clean water tank and the wastewater pool. The utility model changes the common anti-pollution device of the concentrated water recovery device in the prior design into the low-pressure reverse osmosis device, the low-pressure reverse osmosis device directly enters the low-pressure reverse osmosis membrane to recover the concentrated water by utilizing the residual pressure of the strong brine of the reverse osmosis membrane, and the secondary pressurization is not carried out, thereby saving the equipment such as the concentrated water tank, the concentrated water booster pump and the like and reducing the cost investment; most importantly, the secondary pressurization of the water pump is not needed, so that the power consumption is saved, and the energy conservation and emission reduction are really realized.
Description
Technical Field
The utility model discloses be applied to industry or municipal field water processing system, concretely relates to dense water recovery unit of reverse osmosis.
Background
At present, the raw water of thermal power plants and municipal water plants in the industrial field needs to be treated so as to meet the water quality requirements of industrial boilers and municipal tap water, and a reverse osmosis membrane is always favored by the water treatment industry as a membrane desalination device. However, the recovery rate of reverse osmosis membrane water is generally between 60% and 85%, the general design is considered according to 75%, 25% of concentrated water is wasted, the concentrated water recovery is gradually promoted in the water treatment industry along with the shortage of water resources and the higher and higher requirements on environmental protection, the final concentrated water recovery is to design a single concentrated water reverse osmosis device, the problem of concentrated water recovery is solved, the investment and the operation cost are increased, and the electricity consumption of operation is increased.
SUMMERY OF THE UTILITY MODEL
The not enough to prior art, the utility model aims at providing a dense water recovery unit of reverse osmosis, has not only solved the dense water recovery unit of reverse osmosis problem that the investment is high, has still reduced the time energy consumption, has really accomplished energy saving and emission reduction.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a reverse osmosis concentrated water recovery device comprises a cartridge filter for filtering water from a water pump, wherein the cartridge filter is connected with a reverse osmosis device through a high-pressure pump; the reverse osmosis device is connected with a reverse osmosis water production tank through a first branch; the reverse osmosis device is connected with the low-pressure reverse osmosis device through a second branch; and the low-pressure reverse osmosis device is respectively connected with the clean water tank and the wastewater pool.
Furthermore, the reverse osmosis device is also connected with a water inlet branch of the cleaning water pump; the reverse osmosis device is connected with a cleaning solution removing tank between the reverse osmosis water producing tank, and the cleaning pump water inlet branch and the cleaning solution removing tank form drainage and flushing water of a cleaning bypass.
Furthermore, the reverse osmosis device is formed by connecting a plurality of reverse osmosis membranes in parallel, and the low-pressure reverse osmosis device is formed by connecting a plurality of low-pressure reverse osmosis membranes in parallel.
Furthermore, a blasting diaphragm device is arranged on the first branch and on the water producing side of the reverse osmosis device.
The beneficial effects of the utility model reside in that: the utility model changes the common anti-pollution device of the concentrated water recovery device in the prior design into the low-pressure reverse osmosis device, the low-pressure reverse osmosis device directly enters the low-pressure reverse osmosis membrane to recover the concentrated water by utilizing the residual pressure of the strong brine of the reverse osmosis membrane, and the secondary pressurization is not carried out, thereby saving the equipment such as the concentrated water tank, the concentrated water booster pump and the like and reducing the cost investment; the most important is that the secondary pressurization of the water pump is not needed, the power consumption is saved, the energy conservation and the emission reduction are really realized, in addition, in the prior art, the water treated by the anti-pollution device is used as the raw water, the salt content of the water treated by the low-pressure reverse osmosis device is reduced compared with that of the raw water, and the water quality of the produced water is improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Reference numerals: 1. a cartridge filter; 2. a high pressure pump; 3. a reverse osmosis unit; 4. a reverse osmosis water production tank; 5. a low pressure reverse osmosis unit; 6. a clear water tank; 7. a wastewater tank; 8. a first branch; 9. a second branch circuit; 10. cleaning an incoming water branch of a water pump; 11. removing the cleaning solution tank; 12. a diaphragm bursting device; 13. a reverse osmosis membrane.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments:
as shown in fig. 1, the reverse osmosis concentrated water recovery device comprises a cartridge filter 1 for filtering water from a water pump, wherein the cartridge filter 1 is connected with a reverse osmosis device 3 through a high-pressure pump 2; the reverse osmosis device 3 is connected with the reverse osmosis water production tank 4 through a first branch 8; the reverse osmosis device 3 is connected with the low-pressure reverse osmosis device 5 through a second branch 9; the low-pressure reverse osmosis device 5 is respectively connected with the clean water tank 6 and the wastewater pool 7, clean water filtered by strong brine of the low-pressure reverse osmosis device 5 is injected into the clean water tank 6, and generated wastewater is injected into the wastewater pool 7.
The reverse osmosis device 3 is also connected with a water inlet branch 10 of the cleaning water pump; a cleaning solution removing tank 11 is connected between the reverse osmosis device 3 and the reverse osmosis water producing tank 4, and a cleaning pump water inlet branch 10 and the cleaning solution removing tank 11 form drainage and cleaning water of a cleaning bypass. The reverse osmosis device 3 is formed by connecting a plurality of reverse osmosis membranes 13 in parallel, the low-pressure reverse osmosis device 5 is also formed by connecting a plurality of low-pressure reverse osmosis membranes in parallel, the low-pressure reverse osmosis device 5 and the reverse osmosis device 3 have the same structure, but a high-pressure pump is not required to be added for secondary pressurization, the excess pressure of strong brine discharged from the reverse osmosis membrane device directly enters the low-pressure reverse osmosis device 5 for concentrated water recovery treatment, the water treated by the reverse osmosis device 3 is injected into the reverse osmosis water production tank 4, and the desalination rate reaches 99%; strong brine produced by the reverse osmosis device 3 is injected into the clear water tank 6 from clear water after the low-pressure reverse osmosis device 5, and the desalination rate reaches 90%; the other part of the wastewater is discharged into a wastewater tank 7.
On the first branch road 8 and the water side is produced to reverse osmosis unit 3 still be provided with blasting diaphragm device 12, and blasting diaphragm device 12 comprises the blasting diaphragm of certain pressure grade, can appear the moment of backpressure at reverse osmosis unit, and the earial drainage can in time be blasted to the blasting diaphragm to release reverse osmosis unit and produce water side pressure, eliminate the backpressure phenomenon, play the effect of protection reverse osmosis membrane 13.
In addition, the letters P, L, F, F1 and P1 in the figure indicate various meters.
The utility model discloses use low pressure reverse osmosis unit 5 when handling the strong brine that is produced by reverse osmosis membrane device 3, the pressure of intaking of low pressure reverse osmosis unit 5 is about 0.6MPa, the pressure of the strong brine that is produced by reverse osmosis membrane device 3 is about 0.7-0.8MPa, the residual pressure of the strong brine that utilizes water produced by reverse osmosis unit 3 directly gets into low pressure reverse osmosis unit 5 and carries out the recovery of dense water, no longer carry out the secondary pressurization, low pressure reverse osmosis unit 5 is higher than ordinary antipollution membrane cost a little, but saved equipment such as dense water tank, dense water booster pump, the actual investment is sparingly; the most important is that the secondary pressurization of the water pump is not needed, so that the power consumption is saved, and the energy conservation and emission reduction are really realized; in addition, in the prior art, the water treated by the anti-pollution device is used as raw water, the salt content of the water treated by the low-pressure reverse osmosis device 5 is lower than that of the raw water, and the quality of the produced water is improved.
Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes are intended to fall within the scope of the claims.
Claims (4)
1. The reverse osmosis concentrated water recovery device is characterized by comprising a cartridge filter for filtering water from a water pump, wherein the cartridge filter is connected with a reverse osmosis device through a high-pressure pump; the reverse osmosis device is connected with a reverse osmosis water production tank through a first branch; the reverse osmosis device is connected with the low-pressure reverse osmosis device through a second branch; and the low-pressure reverse osmosis device is respectively connected with the clean water tank and the wastewater pool.
2. The reverse osmosis concentrated water recovery device according to claim 1, wherein the reverse osmosis device is further connected with a water inlet branch of a cleaning water pump; and a cleaning solution removing tank is connected between the reverse osmosis device and the reverse osmosis water production tank.
3. The reverse osmosis concentrated water recovery device according to claim 1, wherein the reverse osmosis unit is formed by connecting a plurality of low pressure reverse osmosis membranes in parallel, and the low pressure reverse osmosis unit is formed by connecting a plurality of low pressure reverse osmosis membranes in parallel.
4. The reverse osmosis concentrated water recovery device according to claim 1, wherein the first branch and the water production side of the reverse osmosis device are further provided with a bursting diaphragm device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121067789.4U CN215048900U (en) | 2021-05-19 | 2021-05-19 | Reverse osmosis concentrated water recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121067789.4U CN215048900U (en) | 2021-05-19 | 2021-05-19 | Reverse osmosis concentrated water recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215048900U true CN215048900U (en) | 2021-12-07 |
Family
ID=79212194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121067789.4U Active CN215048900U (en) | 2021-05-19 | 2021-05-19 | Reverse osmosis concentrated water recovery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215048900U (en) |
-
2021
- 2021-05-19 CN CN202121067789.4U patent/CN215048900U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102249459A (en) | System for desalinating sea water | |
| CN214654101U (en) | Chemical water treatment recycling system of thermal power plant | |
| CN101863577A (en) | Filter back washing water recovery processing method and membrane filtration system thereof | |
| CN102951704B (en) | Reverse osmosis seawater desalination process and device thereof | |
| CN206255935U (en) | A kind of 50 tons of intermediate water reuse systems per hour | |
| CN101428913A (en) | Reverse osmosis water production process | |
| CN210313850U (en) | Concentrated water utilization system of power plant water production equipment | |
| CN201424407Y (en) | Reverse osmosis and nanofiltration system used in treating high-density organic wastewater | |
| CN201254504Y (en) | High efficiency energy-saving type water treatment system | |
| CN215048900U (en) | Reverse osmosis concentrated water recovery device | |
| CN203007046U (en) | Nuclear plant reverse-osmosis pre-desalinized concentrated water recovery treatment device | |
| CN107032533A (en) | A kind of integrated membrane process method for desalting seawater | |
| CN202089851U (en) | Softening process device for industrial water | |
| CN201648139U (en) | Pure water production equipment with high recovery ratio | |
| CN202208663U (en) | Seawater desalination treatment equipment | |
| CN101481184B (en) | Novel membrane processing and salt recycling method for hot pickled mustard tube cleaning wastewater | |
| CN209922968U (en) | Novel reverse osmosis system | |
| CN210764675U (en) | Direct-connected two-stage reverse osmosis seawater desalination device | |
| CN210915651U (en) | Ion exchange resin regenerated liquid cyclic utilization system | |
| CN211111191U (en) | Zero-emission concentration system for reverse osmosis process by using forward osmosis membrane module | |
| CN210193476U (en) | Reverse osmosis water purification system and water purification unit | |
| CN217265101U (en) | Device for advanced treatment and reuse of coating wastewater as cooling water | |
| CN204675928U (en) | A kind of ultra-pure-water treatment system | |
| CN204569591U (en) | A kind of reverse osmosis water purifier system back pressure setting device | |
| CN204211592U (en) | Multistage self-cleaning washes large discharge water-purifying machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |