CN218146098U - Device for improving concentrated water reuse rate in two-stage reverse osmosis mechanism - Google Patents
Device for improving concentrated water reuse rate in two-stage reverse osmosis mechanism Download PDFInfo
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- CN218146098U CN218146098U CN202221941455.XU CN202221941455U CN218146098U CN 218146098 U CN218146098 U CN 218146098U CN 202221941455 U CN202221941455 U CN 202221941455U CN 218146098 U CN218146098 U CN 218146098U
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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
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- 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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Abstract
The utility model provides a device for improving the rate of recovery of concentrated water in a two-stage reverse osmosis mechanism. A raw water tank and a concentrated water tank of the device are respectively communicated with a raw water pump, a first-stage filter and a second-stage filter by pipelines, the second-stage filter is communicated with a first-stage high-pressure pump and a first-stage reverse osmosis mechanism by pipelines, the first-stage reverse osmosis mechanism is respectively communicated with the concentrated water tank and the first-stage pure water tank by pipelines, the first-stage pure water tank is communicated with a second-stage high-pressure pump and a second-stage reverse osmosis mechanism by pipelines, and the second-stage reverse osmosis mechanism is respectively communicated with the first-stage pure water tank, the raw water tank and the second-stage pure water tank by pipelines. The device is used for wasing sand, carbon filter with the one-level dense water, improves the rate of recovery of one-level dense water, and the second grade dense water is as the use of intaking of second grade reverse osmosis mechanism to make the rate of recovery of the dense water of second grade reverse osmosis mechanism increase to more than 85%, the device has reduced manufacturing cost, has improved reverse osmosis mechanism's the rate of recovery of dense water, reduces unnecessary fund input.
Description
Technical Field
The utility model relates to reverse osmosis system technical field, in particular to improve device of rate of recovery of concentrate in doublestage reverse osmosis mechanism.
Background
The double-stage reverse osmosis mechanism is a very important part of a plurality of process devices, and the utilization rate of concentrated water in the reverse osmosis mechanism directly influences the utilization efficiency of water resources. At present, the recovery rate of clean water in a single-stage system in a two-stage reverse osmosis mechanism is about 75%, and the rest 25% is concentrated water; concentrated water produced in primary and secondary reverse osmosis systems in the prior art is generally discharged through a trench or treated by a subsequent wastewater treatment process. A large amount of concentrated water generated in the reverse osmosis mechanism is directly discharged without wastewater treatment, so that not only is the waste of water and the pollution to the environment caused, but also the equipment investment for wastewater treatment is large, the occupied area and the invested capital are also large when the concentrated water needs to be treated by a subsequent wastewater process, and the production cost is increased by using manufacturers.
Disclosure of Invention
The utility model aims at providing an improve device of concentrated water reuse rate in doublestage reverse osmosis mechanism. The utility model discloses the required technical problem who solves is: the first-stage concentrated water generated by the first-stage reverse osmosis mechanism and the second-stage concentrated water generated by the second-stage reverse osmosis mechanism are respectively conveyed to the concentrated water tank, the raw water tank and the first-stage pure water tank through a control console and an electromagnetic valve by pipelines and are treated and recycled by utilizing the existing equipment, the concentrated water generated by the reverse osmosis mechanism is prevented from being discharged to the outside to cause environmental pollution, the equipment and capital investment for wastewater treatment are saved, the efficiency of the recycling of the concentrated water generated by the reverse osmosis mechanism is improved, and the production cost is reduced.
In order to achieve the above purpose, the technical scheme of the utility model is that:
an apparatus for increasing the rate of concentrate reuse in a dual stage reverse osmosis mechanism, comprising: the device comprises a raw water tank, a concentrated water tank, a raw water pump, a primary filter, a secondary filter, a primary high-pressure pump, a primary reverse osmosis mechanism, a primary pure water tank, a secondary high-pressure pump, a secondary reverse osmosis mechanism, a secondary pure water tank, a primary electromagnetic valve, a secondary electromagnetic valve, a tertiary electromagnetic valve and a control console, wherein the raw water tank and the concentrated water tank of the device are respectively communicated with an input port of the raw water pump through pipelines, an output port of the raw water pump is communicated with an inlet of the primary filter through a pipeline, an outlet of the primary filter is communicated with an inlet of the secondary filter through a pipeline, an outlet of the secondary filter is communicated with an input port of the primary high-pressure pump through a pipeline, an output port of the primary high-pressure pump is communicated with the primary reverse osmosis mechanism through a pipeline, a concentrated water outlet of the primary reverse osmosis mechanism is communicated with the concentrated water tank through a primary concentrated water return pipe, the primary reverse osmosis mechanism is provided with the tertiary pure water tank, the primary pure water tank is communicated with the primary reverse osmosis mechanism through a pipeline, the secondary reverse osmosis mechanism is communicated with the primary pure water tank and the secondary reverse osmosis mechanism through a secondary pure water tank, the primary pure water tank and the secondary reverse osmosis mechanism are respectively communicated with the primary reverse osmosis mechanism, the secondary reverse osmosis mechanism is provided with the primary pure water tank, and the primary pure water tank.
A raw water pump, a first-stage high-pressure pump, a first-stage reverse osmosis mechanism, a second-stage high-pressure pump, a second-stage reverse osmosis mechanism, a first electromagnetic valve, a second electromagnetic valve and a third electromagnetic valve in the device are respectively connected with an electric control unit in a console through leads.
The first-stage filter in the device is a sand filter, and the second-stage filter is a carbon filter.
The connecting pipelines of all the devices in the device are provided with various valves corresponding to the prior art.
Compared with the prior art, the utility model discloses an actively the effect does:
1. the device stores primary concentrated water by a concentrated water tank through a control console and an electromagnetic valve, and the primary concentrated water is used for cleaning a sand filter and a carbon filter, so that the reuse rate of the primary concentrated water is improved;
2. the device conveys secondary concentrated water into a raw water tank and a primary pure water tank through a control console and an electromagnetic valve, and the secondary concentrated water conveyed into the primary pure water tank can be used as inlet water of a secondary reverse osmosis mechanism, and accounts for more than 10% of the total water quantity, so that the reuse rate of the concentrated water of the secondary reverse osmosis mechanism is increased to more than 85%;
3. the device utilizes the existing equipment to treat and recycle the primary concentrated water and the secondary concentrated water, avoids the environmental pollution caused by the external discharge of the concentrated water generated by the reverse osmosis mechanism, and saves the equipment and capital investment for wastewater treatment;
4. the device reduces the production cost, improves the concentrated water reuse rate of the reverse osmosis mechanism, and reduces unnecessary capital investment.
Drawings
FIG. 1 is a schematic view of the connection of the concentrated water recycling device;
FIG. 2 is a process connection block diagram of a concentrated water recycling device;
fig. 3 is a block diagram showing connection between relevant devices and a console in the concentrated water recycling device.
In the figure: 1. raw water tank, 2 concentrated water tank, 3 raw water pump, 4 primary filter, 5 secondary filter, 6 primary high pressure pump, 7 primary reverse osmosis mechanism, 8 primary pure water tank, 9 secondary high pressure pump, 10 secondary reverse osmosis mechanism, 11 secondary pure water tank, 12 secondary concentrated water return pipe, 13 primary concentrated water return pipe, 14 inlet pipe, 15 primary electromagnetic valve, 16 secondary electromagnetic valve, 17 third electromagnetic valve, 18 console.
Detailed Description
The technical solution of the present invention will be further described clearly and completely with reference to the accompanying drawings.
Referring to the attached drawings 1-3, a raw water tank 1 and a concentrated water tank 2 of the device are respectively communicated with an input port of a raw water pump 3 through pipelines, an output port of the raw water pump 3 is communicated with an inlet of a primary filter 4 through a pipeline, an outlet of the primary filter 4 is communicated with an inlet of a secondary filter 5 through a pipeline, an outlet of the secondary filter 5 is communicated with an input port of a primary high-pressure pump 6 through a pipeline, an output port of the primary high-pressure pump 6 is communicated with a primary reverse osmosis mechanism 7 through a pipeline, a concentrated water outlet of the primary reverse osmosis mechanism 7 is communicated with the concentrated water tank 2 through a primary concentrated water return pipe 13, a third electromagnetic valve 17 is arranged on the primary concentrated water return pipe 13, a clear water outlet of the primary reverse osmosis mechanism 7 is communicated with a primary pure water tank 8 through a pipeline, the primary pure water tank 8 is communicated with an input port of a secondary high-pressure pump 9 through a pipeline, an output port of the secondary high-pressure pump 9 is communicated with a secondary reverse osmosis mechanism 10 through a pipeline, a concentrated water return pipe 12 of the secondary reverse osmosis mechanism 9 is respectively communicated with the primary pure water tank 8 and the primary pure water tank 1 and the secondary pure water tank 12, and the clear water outlet of the secondary reverse osmosis mechanism 11 are respectively communicated with the secondary pure water tank 10 through a secondary reverse osmosis mechanism.
A raw water pump 3, a first-stage high-pressure pump 6, a first-stage reverse osmosis mechanism 7, a second-stage high-pressure pump 9, a second-stage reverse osmosis mechanism 10, a first electromagnetic valve 15, a second electromagnetic valve 16 and a third electromagnetic valve 17 in the device are respectively connected with an electric control unit in a console 18 through leads.
The primary filter 4 in the device is a sand filter, and the secondary filter 5 is a carbon filter.
The connecting pipeline of each device in the device is provided with various corresponding valves in the prior art.
Before the device is used, technological parameters set by a raw water pump 3, a first-stage high-pressure pump 6, a first-stage reverse osmosis mechanism 7, a second-stage high-pressure pump 9, a second-stage reverse osmosis mechanism 10, a first electromagnetic valve 15, a second electromagnetic valve 16 and a third electromagnetic valve 17 are input into a control console 18 respectively. The valve on the water inlet pipe 14 is opened to make the raw water (tap water) injected into the raw water tank 1 through the water inlet pipe 14, the valves on the pipelines are opened to make the pipelines of the device completely run through, and simultaneously the valves on the output pipe of the concentrated water tank 2 are closed to make the output pipe of the concentrated water tank 2 not communicated with the raw water pump 3.
When the raw water in the raw water tank 1 meets the starting requirement, the control console 18 sends out an instruction to start the raw water pump 3 according to the set process parameters, the raw water in the raw water tank 1 is conveyed into the primary filter 4 through a pipeline by the pressure of the raw water pump 3 to be subjected to sand filtration treatment, the raw water treated by the primary filter 4 is conveyed into the secondary filter 5 through a pipeline to be subjected to carbon filtration treatment, and the raw water filtered by the secondary filter 5 is pumped into the primary reverse osmosis mechanism 7 by the primary high-pressure pump 6 to be subjected to filtration and separation treatment. The pure water produced by the primary reverse osmosis mechanism 7 is fed into a primary pure water tank 8 through a pipeline and is supplied to a secondary reverse osmosis mechanism 10 for use. When the first-stage reverse osmosis mechanism 7 generates the concentrated water, the console 18 sends an instruction to open the third electromagnetic valve 17 arranged on the first-stage concentrated water return pipe 13, so that the concentrated water generated by the first-stage reverse osmosis mechanism 17 enters the first-stage concentrated water tank 2 through the first-stage concentrated water return pipe 13 for temporary storage. The pure water in the first-stage pure water tank 8 is conveyed to a second-stage reverse osmosis mechanism 10 through a second-stage high-pressure pump 9 for filtration and separation treatment. The pure water produced by the secondary reverse osmosis mechanism 10 is transferred to a secondary pure water tank 11 through a pipeline and is provided for subsequent process equipment. When the second-stage reverse osmosis mechanism 10 generates the concentrated water, the console 18 sends out an instruction to open the first electromagnetic valve 15 and the second electromagnetic valve 16, the concentrated water accounting for 3/5 of the total amount of the concentrated water is conveyed to the raw water tank 1 through the second-stage concentrated water return pipe 12 for reuse, and the concentrated water accounting for 2/5 of the total amount of the concentrated water is conveyed to the first-stage pure water tank 8 through the second-stage concentrated water return pipe 12 for use by the second-stage reverse osmosis mechanism 10.
After the device runs for a period of time, the primary filter 4 and the secondary filter 5 need to be cleaned, at the moment, a valve on a pipeline behind the secondary filter 5 and a valve on the raw water tank 1 are closed, a valve on the concentrated water tank 2 is opened, so that a pipeline of the concentrated water tank 2 is communicated with the raw water pump 3, at the moment, the raw water pump 3 conveys the primary concentrated water in the concentrated water tank 2 to the primary filter 4, the primary filter 4 is cleaned, and the cleaned water is discharged through a discharge pipe of the primary filter 4. After the primary filter 4 is cleaned, the raw water pump 3 conveys primary concentrated water to the secondary filter 5 to clean the secondary filter 5, and the cleaned water is discharged through a discharge pipe of the secondary filter 5.
And after the primary filter 4 and the secondary filter 5 are cleaned, repeating the operation steps and operating the device again.
The above description is only a non-limiting embodiment of the present invention, and a great number of embodiments can be derived, and for those skilled in the art, without departing from the inventive concept and without making creative efforts, a number of modified embodiments can be made, and these embodiments all belong to the protection scope of the present invention.
Claims (3)
1. An apparatus for increasing the rate of concentrate reuse in a dual stage reverse osmosis mechanism, comprising: former water pitcher (1), dense water jar (2), raw water pump (3), primary filter (4), secondary filter (5), one-level high-pressure pump (6), one-level reverse osmosis mechanism (7), one-level pure water pitcher (8), secondary high-pressure pump (9), secondary reverse osmosis mechanism (10), second grade pure water pitcher (11), solenoid valve (15), solenoid valve (16) No. two, solenoid valve (17) No. three and control cabinet (18), its characterized in that: the device comprises a raw water tank (1), a concentrated water tank (2) which are respectively communicated with the input port of the raw water pump (3) by pipelines, the output port of the raw water pump (3) is communicated with the inlet of a first-stage filter (4) by pipelines, the outlet of the first-stage filter (4) is communicated with the inlet of a second-stage filter (5) by pipelines, the outlet of the second-stage filter (5) is communicated with the input port of a first-stage high-pressure pump (6) by pipelines, the output port of the first-stage high-pressure pump (6) is communicated with a first-stage reverse osmosis mechanism (7) by pipelines, the concentrated water outlet of the first-stage reverse osmosis mechanism (7) is communicated with the concentrated water tank (2) by a first-stage concentrated water return pipe (13), and a third electromagnetic valve (17) is arranged on the first-stage concentrated water return pipe (13), meanwhile, a clear water outlet of the first-stage reverse osmosis mechanism (7) is communicated with the first-stage pure water tank (8) through a pipeline, the first-stage pure water tank (8) is communicated with an input port of the second-stage high-pressure pump (9) through a pipeline, an output port of the second-stage high-pressure pump (9) is communicated with the second-stage reverse osmosis mechanism (10) through a pipeline, a concentrated water outlet of the second-stage reverse osmosis mechanism (10) is respectively communicated with the first-stage pure water tank (8) and the raw water tank (1) through a second-stage concentrated water return pipe (12), the second-stage concentrated water return pipe (12) is respectively provided with a first electromagnetic valve (15) and a second electromagnetic valve (16), meanwhile, a clear water outlet of the secondary reverse osmosis mechanism (10) is communicated with the secondary pure water tank (11) through a pipeline.
2. The apparatus of claim 1 for increasing the rate of concentrate recovery in a dual stage reverse osmosis mechanism wherein: a raw water pump (3), a primary high-pressure pump (6), a primary reverse osmosis mechanism (7), a secondary high-pressure pump (9), a secondary reverse osmosis mechanism (10), a first electromagnetic valve (15), a second electromagnetic valve (16) and a third electromagnetic valve (17) in the device are respectively connected with an electric control unit in a console (18) through leads.
3. The apparatus of claim 1 for increasing the rate of concentrate recovery in a dual stage reverse osmosis mechanism wherein: a first-stage filter (4) in the device is a sand filter, and a second-stage filter (5) is a carbon filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221941455.XU CN218146098U (en) | 2022-07-26 | 2022-07-26 | Device for improving concentrated water reuse rate in two-stage reverse osmosis mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221941455.XU CN218146098U (en) | 2022-07-26 | 2022-07-26 | Device for improving concentrated water reuse rate in two-stage reverse osmosis mechanism |
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| CN218146098U true CN218146098U (en) | 2022-12-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221941455.XU Active CN218146098U (en) | 2022-07-26 | 2022-07-26 | Device for improving concentrated water reuse rate in two-stage reverse osmosis mechanism |
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| CN (1) | CN218146098U (en) |
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2022
- 2022-07-26 CN CN202221941455.XU patent/CN218146098U/en active Active
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