CN215161227U - Reverse osmosis membrane concentrated water recovery device and concentrated water recovery system - Google Patents
Reverse osmosis membrane concentrated water recovery device and concentrated water recovery system Download PDFInfo
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- CN215161227U CN215161227U CN202120910318.9U CN202120910318U CN215161227U CN 215161227 U CN215161227 U CN 215161227U CN 202120910318 U CN202120910318 U CN 202120910318U CN 215161227 U CN215161227 U CN 215161227U
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Abstract
The utility model relates to a dense water recovery plant of reverse osmosis membrane and dense water recovery system, its water inlet pipeline communicates with the water inlet of one-level reverse osmosis membrane subassembly, the fresh water export of one-level reverse osmosis membrane subassembly communicates with the water inlet of fresh water outlet pipe way, the water inlet and the fresh water outlet pipe way intercommunication of fresh water waste water subassembly, the dense water export of one-level reverse osmosis membrane subassembly communicates with the water inlet of second grade reverse osmosis membrane subassembly, the fresh water export of second grade reverse osmosis membrane subassembly communicates with the water inlet of fresh water outlet pipe way, the dense water export and the dense water waste water subassembly intercommunication of second grade reverse osmosis membrane subassembly, the dense water export and the water inlet intercommunication of dense water recovery pipeline of second grade reverse osmosis membrane subassembly, be equipped with dense water recovery pneumatic valve on the dense water recovery pipeline in proper order, dense water recovery stop valve, dense water recovery check valve. Compared with the prior art, the utility model discloses can effectively retrieve reverse osmosis membrane dense water, prevent that the dense water from arranging outward and causing the river system to pollute, prevent that pressure imbalance from causing equipment to damage.
Description
Technical Field
The utility model belongs to the technical field of dense water recovery and specifically relates to a dense water recovery system of reverse osmosis membrane and relates to a dense water recovery plant.
Background
Concentrated water refers to wastewater, sewage and waste liquid produced in the industrial production process, and contains industrial production materials, intermediate products and products lost with water and pollutants produced in the production process. The existing concentrated water treatment system usually adopts a reverse osmosis membrane assembly to treat concentrated water, and the concentrated water is treated by a clear water tank, a high-pressure pump, a reverse osmosis membrane assembly and a pre-desalting water tank, and the reverse osmosis concentrated water is directly discharged to a drainage pipeline, so that a large amount of high-salinity water pollutes a water system.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a reverse osmosis membrane concentrated water recovery device and a concentrated water recovery system in order to overcome the defects of the prior art.
The purpose of the utility model can be realized through the following technical scheme:
a reverse osmosis membrane concentrated water recovery device comprises a water inlet pipeline, a first-stage reverse osmosis membrane component, a second-stage reverse osmosis membrane component, a fresh water outlet pipeline, a fresh water wastewater component, a concentrated water recovery pipeline and a concentrated water wastewater component,
the water inlet pipeline is communicated with the water inlet of the first-stage reverse osmosis membrane component, the fresh water outlet of the first-stage reverse osmosis membrane component is communicated with the water inlet of the fresh water outlet pipeline, the water inlet of the fresh water waste water component is communicated with the fresh water outlet pipeline,
the concentrated water outlet of the first-stage reverse osmosis membrane component is communicated with the water inlet of the second-stage reverse osmosis membrane component, the fresh water outlet of the second-stage reverse osmosis membrane component is communicated with the water inlet of the fresh water outlet pipeline, the concentrated water outlet of the second-stage reverse osmosis membrane component is communicated with the water inlet of the concentrated water waste water component, the concentrated water outlet of the second-stage reverse osmosis membrane component is communicated with the water inlet of the concentrated water recovery pipeline, and the concentrated water recovery pipeline is sequentially provided with a concentrated water recovery pneumatic valve and a concentrated water recovery stop valve.
Preferably, the water inlet pipeline comprises a filtering water pipeline and a washing water pipeline, and water outlets of the filtering water pipeline and the washing water pipeline are respectively communicated with a water inlet of the first-stage reverse osmosis membrane module.
Preferably, a high-pressure pump inlet hand-operated butterfly valve, a variable-frequency high-pressure pump, a high-pressure pump outlet check valve, a high-pressure pump outlet hand-operated butterfly valve and a high-pressure pump outlet electric slow-opening valve are sequentially arranged on the filtering water pipeline.
Preferably, a low-pressure flushing pneumatic valve is arranged on the flushing water pipeline.
Preferably, the fresh water waste water assembly comprises a fresh water discharge pneumatic valve and a fresh water pipe low-salt waste water collecting pool, wherein a water inlet of the fresh water discharge pneumatic valve is communicated with a fresh water outlet pipeline through a pipeline, and a water outlet of the fresh water discharge pneumatic valve is communicated with the fresh water pipe low-salt waste water collecting pool through a pipeline.
Preferably, the concentrated water wastewater assembly comprises a concentrated water discharge pneumatic valve and a concentrated water pipe low-salt wastewater collection tank, the water inlet of the concentrated water discharge pneumatic valve is communicated with the concentrated water outlet of the secondary reverse osmosis membrane assembly through a pipeline, and the water outlet of the concentrated water discharge pneumatic valve is communicated with the concentrated water pipe low-salt wastewater collection tank through a pipeline.
Preferably, a fresh water outlet pneumatic valve and a fresh water check valve are arranged on the fresh water outlet pipeline.
Preferably, the tail end of the concentrated water recovery pipeline is also provided with a concentrated water recovery check valve.
The utility model provides a concentrated water recovery system, includes a plurality of foretell reverse osmosis membrane concentrated water recovery plant, water pipe and the pond of using of retrieving, the concentrated water recovery pipeline's of reverse osmosis membrane concentrated water recovery plant delivery port respectively with retrieve with water pipe intercommunication, the outlet pipe and the pond of using of retrieving of water pipe intercommunication.
Preferably, the concentrated water recovery system comprises three reverse osmosis membrane concentrated water recovery devices which are arranged in parallel.
Compared with the prior art, the utility model has the advantages of as follows:
(1) the utility model discloses a concentrated water recovery system adopts the concentrated water recovery plant of many sets of reverse osmosis membrane, and the concentrated water recovery plant of reverse osmosis membrane utilizes thick, fresh water waste water subassembly, concentrated water recovery pipeline cooperation work, can effectively wash reverse osmosis membrane equipment, collects the process waste water of putting into operation to the concentrated water that produces when will moving is effectively retrieved, prevents that the concentrated water is discharged outward and causes the river system to pollute;
(2) the utility model discloses a concentrated water recovery pipeline is based on concentrated water recovery pneumatic valve, concentrated water recovery stop valve, concentrated water recovery check valve, effectively prevents the reverse osmosis membrane subassembly constant pressure condition that the pressure imbalance leads to between each recovery plant under the different operating modes, prevents reverse osmosis membrane subassembly damage, improves the efficiency that effectively improves concentrated water recovery and the reliability of system;
(3) the utility model discloses a two sets of reverse osmosis membrane module of one-level reverse osmosis membrane module, second grade reverse osmosis membrane module are handled, effectively improve reverse osmosis treatment effect, improve the concentration and the quality of retrieving dense water.
Drawings
FIG. 1 is a schematic structural view of the reverse osmosis membrane concentrated water recovery device of the present invention;
fig. 2 is a schematic structural diagram of the concentrated water recovery system of the present invention.
Wherein, 1, a water inlet pipeline, 101, a filtering water pipeline, 102, a flushing water pipeline, 103, a high-pressure pump inlet hand-operated butterfly valve, 104, a frequency conversion high-pressure pump, 105, a high-pressure pump outlet check valve, 106, a high-pressure pump outlet hand-operated butterfly valve, 107, a high-pressure pump outlet electric slow-opening valve, 108, a low-pressure flushing pneumatic valve, 2, a first-stage reverse osmosis membrane component, 3, a second-stage reverse osmosis membrane component, 4, a fresh water outlet pipeline, 401, a fresh water outlet pneumatic valve, 402, a fresh water check valve, 5, a fresh water discharge pneumatic valve, 6, a fresh water pipe low-salt wastewater collection pool, 7, a concentrated water discharge pneumatic valve, 8, a concentrated water pipe low-salt wastewater collection pool, 9, a concentrated water recovery pipeline, 901, a concentrated water recovery pneumatic valve, 902, a concentrated water recovery stop valve, 10, a concentrated water recovery check valve, 11, a cartridge filter outlet pipe, 12, a low-pressure flushing water pipe, 13, a recovery water pipe, 14, a recovery water pool, 15. a reverse osmosis water producing mother pipe.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. Note that the following description of the embodiments is merely an example of the nature, and the present invention is not intended to limit the application or the use thereof, and the present invention is not limited to the following embodiments.
Examples
A reverse osmosis membrane concentrated water recovery device is shown in figure 1 and comprises a water inlet pipeline 1, a primary reverse osmosis membrane component 2, a secondary reverse osmosis membrane component 3, a fresh water outlet pipeline 4, a fresh water waste water component, a concentrated water recovery pipeline 9 and a concentrated water waste water component.
In this embodiment, for the connection form of each component, the water inlet pipeline 1 is communicated with the water inlet of the first-stage reverse osmosis membrane component 2, the fresh water outlet of the first-stage reverse osmosis membrane component 2 is communicated with the water inlet of the fresh water outlet pipeline 4, the water inlet of the fresh water waste water component is communicated with the fresh water outlet pipeline 4, the concentrated water outlet of the first-stage reverse osmosis membrane component 2 is communicated with the water inlet of the second-stage reverse osmosis membrane component 3, the fresh water outlet of the second-stage reverse osmosis membrane component 3 is communicated with the water inlet of the fresh water outlet pipeline 4, the concentrated water outlet of the second-stage reverse osmosis membrane component 3 is communicated with the water inlet of the concentrated water waste water component, and the concentrated water outlet of the second-stage reverse osmosis membrane component 3 is also communicated with the water inlet of the concentrated water recovery pipeline 9, and the concentrated water recovery pneumatic valve 901, the concentrated water recovery stop valve 902 and the concentrated water recovery check valve 10 are sequentially arranged on the concentrated water recovery pipeline 9, wherein the water pipeline 1 comprises a filtering water pipeline 101 and a washing water pipeline 102, the water outlets of the filtered water pipeline 101 and the flushing water pipeline 102 are respectively communicated with the water inlet of the first-stage reverse osmosis membrane component 2.
Based on the connection form, in order to control water inlet and outlet and back flushing of the recovery equipment, a high-pressure pump inlet hand-operated butterfly valve 103, a variable-frequency high-pressure pump 104, a high-pressure pump outlet check valve 105, a high-pressure pump outlet hand-operated butterfly valve 106 and a high-pressure pump outlet electric slow-opening valve 107 are sequentially arranged on a filtering water pipeline 101, a low-pressure flushing pneumatic valve 108 is arranged on a flushing water pipeline 102, and a fresh water outlet pneumatic valve 401 and a fresh water check valve 402 are arranged on a fresh water outlet pipeline 4.
The utility model discloses a fresh water waste water subassembly, dense water waste water subassembly are used for collecting recoil waste water, the water of throwing, and fresh water waste water subassembly includes fresh water discharge pneumatic valve 5 and fresh water pipe low salt waste water collecting pit 6, and fresh water discharge pneumatic valve 5's water inlet passes through pipeline and fresh water outlet pipe way 4 intercommunication, and fresh water discharge pneumatic valve 5's delivery port passes through pipeline and fresh water pipe low salt waste water collecting pit 6 intercommunication. The concentrated water and wastewater assembly comprises a concentrated water discharge air discharge valve 7 and a concentrated water pipe low-salt wastewater collection pool 8, the water inlet of the concentrated water discharge air discharge valve 7 is communicated with the concentrated water outlet of the second-stage reverse osmosis membrane assembly 3 through a pipeline, and the water outlet of the concentrated water discharge air discharge valve 7 is communicated with the concentrated water pipe low-salt wastewater collection pool 8 through a pipeline.
To fresh water waste water subassembly, dense water waste water subassembly, in this embodiment, in order to reduce on-way resistance loss, the pipeline avoids walking the crane span structure when fresh water discharges the drainage pipe at pneumatic valve 5, dense water discharge air discharge valve 7 place and lays to bury the ground pipe best, reduce on-way resistance loss, fresh water pipe low salt waste water collecting pit 6, dense water pipe low salt waste water collecting pit water inlet elevation must be less than the ground elevation, the highest water level should be less than the water inlet, avoid waste water unable smooth discharge.
In this embodiment, the water inlet of the water inlet pipeline 1 is communicated with the outlet pipe 11 of the cartridge filter, the water inlet of the flushing water pipeline is communicated with the low-pressure flushing water pipe 12, and the water outlet of the fresh water outlet pipeline 4 is communicated with the reverse osmosis mother water pipe.
A concentrated water recovery system is shown in figure 2 and comprises a plurality of reverse osmosis membrane concentrated water recovery devices, a water pipe 13 for recovery and a water tank 14 for recovery, wherein the water outlets of concentrated water recovery pipelines 9 of the reverse osmosis membrane concentrated water recovery devices are respectively communicated with the water pipe 13 for recovery, and the water outlet pipe of the water pipe 13 for recovery is communicated with the water tank 14 for recovery. In this embodiment, the concentrated water recovery system includes three reverse osmosis membrane concentrated water recovery devices arranged in parallel.
When the concentrated water recovery system runs, a reverse osmosis membrane concentrated water recovery device is arranged as a standby device, and other devices are used, so that various working states are involved.
In the operation process of any set of reverse osmosis membrane concentrated water recovery equipment, a high-pressure pump inlet hand-operated butterfly valve 103, a high-pressure pump outlet check valve 105, a high-pressure pump outlet hand-operated butterfly valve 106, a high-pressure pump outlet electric slow-opening valve 107, a concentrated water recovery stop valve 902, a fresh water discharge pneumatic valve 5 and a concentrated water discharge pneumatic valve 7 are started firstly, then a variable-frequency high-pressure pump 104 is started, after the high-pressure pump is started, a fresh water outlet pneumatic valve 401 is started, a concentrated water recovery pneumatic valve 901 is connected into a recovery water pipe 13, the fresh water discharge pneumatic valve 5 and the concentrated water discharge pneumatic valve 7 are closed, the operation is finished, and the reverse osmosis membrane concentrated water recovery equipment which is in operation is prevented from being backflushed to the reverse osmosis concentrated water recovery equipment which is in operation and has insufficient pressure effectively.
In the low-pressure flushing process of any set of reverse osmosis membrane concentrated water recovery equipment, the low-pressure flushing pneumatic valve 108, the fresh water discharge pneumatic valve 5 and the concentrated water discharge pneumatic valve 7 are started to perform low-pressure flushing. The fresh water outlet pneumatic valve 401 and the concentrated water recovery pneumatic valve 901 are always closed to prevent backflushing.
Each valve of the standby equipment is closed.
The above embodiments are merely examples and do not limit the scope of the present invention. These embodiments may be implemented in other various manners, and various omissions, substitutions, and changes may be made without departing from the technical spirit of the present invention.
Claims (10)
1. A reverse osmosis membrane concentrated water recovery device is characterized by comprising a water inlet pipeline (1), a first-stage reverse osmosis membrane component (2), a second-stage reverse osmosis membrane component (3), a fresh water outlet pipeline (4), a fresh water waste water component, a concentrated water recovery pipeline (9) and a concentrated water waste water component,
the water inlet pipeline (1) is communicated with the water inlet of the first-stage reverse osmosis membrane component (2), the fresh water outlet of the first-stage reverse osmosis membrane component (2) is communicated with the water inlet of the fresh water outlet pipeline (4), the water inlet of the fresh water waste water component is communicated with the fresh water outlet pipeline (4),
the concentrated water outlet of the first-stage reverse osmosis membrane component (2) is communicated with the water inlet of the second-stage reverse osmosis membrane component (3), the fresh water outlet of the second-stage reverse osmosis membrane component (3) is communicated with the water inlet of the fresh water outlet pipeline (4), the concentrated water outlet of the second-stage reverse osmosis membrane component (3) is communicated with the water inlet of the concentrated water waste water component, the concentrated water outlet of the second-stage reverse osmosis membrane component (3) is also communicated with the water inlet of a concentrated water recovery pipeline (9), and a concentrated water recovery pneumatic valve (901) and a concentrated water recovery stop valve (902) are sequentially arranged on the concentrated water recovery pipeline (9).
2. The reverse osmosis membrane concentrated water recovery device according to claim 1, wherein the water inlet pipeline (1) comprises a filtered water pipeline (101) and a rinsing water pipeline (102), and water outlets of the filtered water pipeline (101) and the rinsing water pipeline (102) are respectively communicated with a water inlet of the primary reverse osmosis membrane assembly (2).
3. A reverse osmosis membrane concentrated water recovery device according to claim 2, wherein the filtering water pipeline (101) is sequentially provided with a high-pressure pump inlet hand-operated butterfly valve (103), a variable-frequency high-pressure pump (104), a high-pressure pump outlet check valve (105), a high-pressure pump outlet hand-operated butterfly valve (106) and a high-pressure pump outlet electric slow-open valve (107).
4. A reverse osmosis membrane concentrate recovery unit according to claim 2 wherein the flush water line (102) is provided with a low pressure flush pneumatic valve (108).
5. A reverse osmosis membrane concentrated water recovery device according to claim 1, wherein the fresh water waste water component comprises a fresh water discharge pneumatic valve (5) and a fresh water pipe low-salt waste water collecting tank (6), the water inlet of the fresh water discharge pneumatic valve (5) is communicated with the fresh water outlet pipeline (4) through a pipeline, and the water outlet of the fresh water discharge pneumatic valve (5) is communicated with the fresh water pipe low-salt waste water collecting tank (6) through a pipeline.
6. A reverse osmosis membrane concentrated water recovery device according to claim 1, wherein the concentrated water waste water assembly comprises a concentrated water discharge pneumatic valve (7) and a concentrated water pipe low-salt waste water collecting tank (8), the water inlet of the concentrated water discharge pneumatic valve (7) is communicated with the concentrated water outlet of the secondary reverse osmosis membrane assembly (3) through a pipeline, and the water outlet of the concentrated water discharge pneumatic valve (7) is communicated with the concentrated water pipe low-salt waste water collecting tank (8) through a pipeline.
7. A reverse osmosis membrane concentrated water recovery device according to claim 1, wherein a fresh water outlet pneumatic valve (401) and a fresh water check valve (402) are arranged on the fresh water outlet pipeline (4).
8. A reverse osmosis membrane concentrate recovery plant according to claim 1, wherein the concentrate recovery line (9) is further terminated by a concentrate recovery check valve (10).
9. A concentrated water recovery system, which is characterized by comprising a plurality of concentrated water recovery devices of reverse osmosis membranes, a water pipe (13) for recovery and a pool (14) for recovery according to any one of claims 1 to 8, wherein the water outlets of concentrated water recovery pipelines (9) of the concentrated water recovery devices are respectively communicated with the water pipe (13) for recovery, and the water outlet pipe of the water pipe (13) for recovery is communicated with the pool (14) for recovery.
10. The concentrate recovery system of claim 9, wherein the concentrate recovery system comprises three reverse osmosis membrane concentrate recovery units arranged in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120910318.9U CN215161227U (en) | 2021-04-29 | 2021-04-29 | Reverse osmosis membrane concentrated water recovery device and concentrated water recovery system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120910318.9U CN215161227U (en) | 2021-04-29 | 2021-04-29 | Reverse osmosis membrane concentrated water recovery device and concentrated water recovery system |
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| CN215161227U true CN215161227U (en) | 2021-12-14 |
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| CN202120910318.9U Active CN215161227U (en) | 2021-04-29 | 2021-04-29 | Reverse osmosis membrane concentrated water recovery device and concentrated water recovery system |
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