CN219156599U - Hospital is dense water recovery unit for pure water based on high pressure membrane separation - Google Patents
Hospital is dense water recovery unit for pure water based on high pressure membrane separation Download PDFInfo
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- CN219156599U CN219156599U CN202221394202.5U CN202221394202U CN219156599U CN 219156599 U CN219156599 U CN 219156599U CN 202221394202 U CN202221394202 U CN 202221394202U CN 219156599 U CN219156599 U CN 219156599U
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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
- 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
Abstract
The utility model discloses a concentrated water recovery device for pure water in a hospital based on high-pressure membrane separation, which comprises a first separation mechanism and a second separation mechanism which are connected in series, wherein the first separation mechanism is used for carrying out primary brine separation on concentrated water, the second separation mechanism is used for carrying out secondary brine separation on the concentrated water, and the device can realize recovery and reutilization of the concentrated water of the pure water device in the hospital, so that the waste of water resources can be reduced, and the water cost can be saved.
Description
Technical Field
The utility model relates to the field of building construction, in particular to a high-pressure membrane separation-based concentrated water recovery device for hospital pure water.
Background
At present, the general process for treating pure water in hospitals is to pretreat municipal raw water and then input the pretreated raw water into a reverse osmosis unit for treatment, wherein a part of the permeated water is fresh water (also called pure water because the water quality is relatively pure), and the other part of the permeated water is discharged with impurities such as ions and organic matters which are not permeated by a reverse osmosis membrane, and the part of the permeated water contains all impurities which are not permeated by the reverse osmosis membrane, so the permeated water is also called concentrated water.
Generally, while providing high-quality pure water corresponding to 50% -70% of the water inflow amount, the hospital pure water treatment device can generate concentrated water corresponding to 30% -50% of the water inflow amount, and the concentrated water is generally about 50%. The quality of the concentrated water obtained after the raw water with different quality is subjected to reverse osmosis treatment is different, and at the present stage, the medical industry does not have a proper concentrated water recovery device for pure water in hospitals, so that the current concentrated water is directly discharged into a sewer, and a large amount of water resources are wasted while the environment risk is brought.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provides a concentrated water recovery device for hospital pure water based on high-pressure membrane separation.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a dense water recovery unit for hospital pure water based on high pressure membrane separation, includes first separating mechanism and the second separating mechanism of establishing ties, first separating mechanism is used for carrying out primary brine separation to dense water, and second separating mechanism is used for separating dense water secondary brine.
Preferably, the first separation mechanism comprises a raw water tank, a section of high-pressure pump, a section of water inlet pressure gauge, a section of high-pressure membrane assembly and a section of concentrate pressure gauge which are sequentially arranged from left to right and communicated through a pipeline, a section of safety valve is arranged between the section of high-pressure pump and the section of water inlet pressure gauge, and a section of concentrate valve is arranged between the section of concentrate pressure gauge and the second separation mechanism.
Preferably, the second separation mechanism comprises a buffer water tank, a second-section high-pressure pump, a second-section water inlet pressure gauge, a second-section high-pressure membrane assembly and a second-section concentrate pressure gauge which are sequentially arranged from left to right and communicated through a pipeline, a second-section safety valve is arranged between the second-section high-pressure pump and the second-section water inlet pressure gauge, a first-section concentrate valve is arranged between the first-section concentrate pressure gauge and the buffer water tank, and one end, far away from the second-section high-pressure membrane assembly, of the second-section concentrate pressure gauge is further connected with a second-section concentrate valve.
Preferably, a two-stage concentrated water reflux valve is also arranged between the two-stage high-pressure membrane component and the original water tank.
Preferably, the raw water tank and the buffer water tank are made of PE, 304 stainless steel or glass fiber reinforced plastic materials.
Preferably, the first-stage high-pressure pump and the second-stage high-pressure pump each employ one of a plunger pump or a deep-well pump.
Preferably, the first-stage thick water valve and the second-stage thick water valve are in the form of electric needle valves, electric stop valves or electric ball valves.
Compared with the prior art, the utility model has the beneficial effects that: the utility model has the advantages of high recovery rate (the recovery rate is more than or equal to 90%), small occupied area, full-automatic operation and the like. Through the device, the concentrated water of the pure water device in the hospital can be recycled, the waste of water resources can be reduced, and the water cost is saved.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
fig. 1 is a schematic diagram of the present utility model.
In the figure: 1. the device comprises a raw water tank, 2, a first-stage high-pressure pump, 3, a first-stage water inlet pressure gauge, 4, a first-stage high-pressure membrane assembly, 5, a first-stage concentrated water pressure gauge, 6, a first-stage safety valve, 7, a first-stage concentrated water valve, 8, a buffer water tank, 9, a second-stage high-pressure pump, 10, a second-stage water inlet pressure gauge, 11, a second-stage high-pressure membrane assembly, 12, a second-stage concentrated water pressure gauge, 13, a second-stage safety valve, 14, a second-stage concentrated water valve, 15 and a second-stage concentrated water reflux valve.
Detailed Description
The technical scheme of the utility model is described in detail below through the drawings, but the protection scope of the utility model is not limited to the embodiments.
Please refer to fig. 1 a concentrated water recovery device for hospital pure water based on high pressure membrane separation, which comprises a first separation mechanism and a second separation mechanism connected in series, wherein the first separation mechanism is used for carrying out primary brine separation on the concentrated water, and the second separation mechanism is used for carrying out secondary brine separation on the concentrated water.
The first separation mechanism comprises a raw water tank 1, a section of high-pressure pump 2, a section of water inlet pressure gauge 3, a section of high-pressure membrane assembly 4 and a section of concentrated water pressure gauge 5 which are sequentially arranged from left to right and communicated through a pipeline, a section of safety valve 6 is arranged between the section of high-pressure pump 2 and the section of water inlet pressure gauge 3, and a section of concentrated water valve 7 is arranged between the section of concentrated water pressure gauge 5 and the second separation mechanism.
Raw water tank 1: collecting concentrated water conveyed by a pure water device in a hospital as raw materials of the device, including but not limited to PE, 304 and glass fiber reinforced plastic materials;
a section of high-pressure pump 2: converting the electric energy into mechanical energy, and pressurizing the water discharged from the original water tank 1 (V101) to a set value, including but not limited to a plunger pump, a deep well pump and the like;
a section of water inlet pressure gauge 3: monitoring the outlet pressure of a section of high-pressure pump 2, and alarming and stopping the device when the measured pressure value exceeds a set range value;
a section of high-pressure membrane component 4: the reverse osmosis membrane component with the operating pressure value of more than or equal to 50bar is characterized to realize the efficient separation of brine, including but not limited to types such as DTRO, STRO, ultra-high pressure reverse osmosis and the like;
a section of concentrated water pressure gauge 5: monitoring the outlet pressure of the concentrated water of the high-pressure membrane component 4, and alarming and stopping the device when the measured pressure value exceeds the set range value;
a section of safety valve 6: the pressure is automatically released when the pressure exceeds the setting value set by the safety valve, so that the safety of the device is ensured;
a section of concentrate valve 7 is arranged between the section of concentrate pressure gauge 5 and the second separation mechanism, and the pressure required by the operation of the section of high-pressure membrane assembly 4 is provided through the opening degree of the valve, including but not limited to electric needle type valves, electric stop valves, electric ball valves and the like.
Preferably, the second separation mechanism comprises a buffer water tank 8, a second-section high-pressure pump 9, a second-section water inlet pressure gauge 10, a second-section high-pressure membrane component 11 and a second-section concentrate pressure gauge 12 which are sequentially arranged from left to right and communicated through pipelines, a second-section safety valve 13 is arranged between the second-section high-pressure pump 9 and the second-section water inlet pressure gauge 10, a first-section concentrate valve 7 is arranged between the first-section concentrate pressure gauge 5 and the buffer water tank 8, and one end, far away from the second-section high-pressure membrane component 11, of the second-section concentrate pressure gauge 12 is further connected with a second-section concentrate valve 14.
Buffer water tank 8: collecting a section of concentrated water conveyed by a section of high-pressure membrane component 4, including but not limited to PE, 304 and glass fiber reinforced plastic materials;
two-stage high-pressure pump 9: the electric energy is converted into mechanical energy, and the water output from the buffer water tank 8 is pressurized to a set value. Including but not limited to, use of plunger pumps, deep well pumps, etc.;
two-stage water inlet pressure gauge 10: monitoring the outlet pressure of the two-stage high-pressure pump 9, and alarming and stopping the device when the measured pressure value exceeds the set range value;
two-stage high pressure membrane module 11: the reverse osmosis membrane component with the operating pressure value of more than or equal to 70bar is characterized to realize high-efficiency separation, including but not limited to types such as DTRO, STRO, ultra-high pressure reverse osmosis and the like;
two-stage concentrate pressure gauge 12: monitoring the outlet pressure of the concentrated water of the two-stage high-pressure membrane component 11 (M201), and alarming and stopping the device when the measured pressure value exceeds the set range value;
two-stage relief valve 13: the pressure is automatically released when the pressure exceeds the setting value set by the safety valve, so that the safety of the device is ensured;
two-stage concentrate valve 14: the pressure required for the operation of the two-stage high pressure membrane module 11 is provided by the valve opening, including but not limited to, electric needle valve, electric shut-off valve, electric ball valve, etc.
Preferably, a two-stage concentrate return valve 15 is further disposed between the two-stage high-pressure membrane module 11 and the original water tank 1, and a part of concentrate generated by the two-stage high-pressure membrane module 11 is returned to the original water tank 1 through the opening of the valve, including but not limited to an electric needle valve, an electric stop valve, an electric ball valve, and the like.
Operation principle:
the concentrated water from the hospital pure water device is firstly buffered by a raw water tank 1, is pressurized to a pressure set value (more than or equal to 50 bar) by a first section of high-pressure pump 2, then enters a first section of high-pressure membrane component 4 for brine separation, and the fresh water enters the hospital pure water device as raw water and enters a second section for further treatment;
after being buffered by the buffer water tank 8, the first-stage concentrated water is pressurized to a pressure set value (more than or equal to 70 bar) by the second-stage high-pressure pump 9 and then enters the second-stage high-pressure membrane module 11 for brine separation, the fresh water is taken as raw water by the pure water device of the hospital, a part of the concentrated water flows back to the raw water tank 1, and a part of the concentrated water is discharged.
As described above, although the present utility model has been shown and described with reference to certain preferred embodiments, it is not to be construed as limiting the utility model itself. Various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (5)
1. Concentrated water recovery unit for pure water in hospital based on high pressure membrane separation, its characterized in that: including first separating mechanism and the second separating mechanism of establishing ties, first separating mechanism is used for carrying out once salt water separation to the dense water, first separating mechanism is including from left to right setting gradually and through former water tank, one section high-pressure pump, one section advance water pressure gauge, one section high-pressure membrane module, one section dense water pressure gauge of pipeline intercommunication, be provided with one section relief valve between one section high-pressure pump and the one section advance water pressure gauge, be provided with one section dense water valve between one section dense water pressure gauge and the second separating mechanism, the second separating mechanism is used for separating dense water secondary salt water, the second separating mechanism is including from left to right setting gradually and through buffer tank, two sections high-pressure pump, two sections high-pressure membrane module, two sections dense water pressure gauge of pipeline intercommunication, be provided with two sections relief valves between two sections high-pressure pump and the two sections advance water pressure gauge, one end that two sections dense water pressure gauge kept away from two sections high-pressure membrane module still has two sections dense water valve.
2. The high-pressure membrane separation-based concentrated water recovery device for hospital pure water according to claim 1, wherein: and a two-stage concentrated water reflux valve is also arranged between the two-stage high-pressure membrane component and the original water tank.
3. The high-pressure membrane separation-based concentrated water recovery device for hospital pure water according to claim 2, wherein: the raw water tank and the buffer water tank are made of PE, 304 stainless steel or glass fiber reinforced plastic materials.
4. A high-pressure membrane separation-based concentrated water recovery device for hospital pure water according to claim 3, wherein: the first-stage high-pressure pump and the second-stage high-pressure pump are both plunger pumps or deep well pumps.
5. The high-pressure membrane separation-based concentrated water recovery device for hospital pure water according to claim 4, wherein: the first-section thick water valve and the second-section thick water valve are in the form of electric needle type valves, electric stop valves or electric ball valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221394202.5U CN219156599U (en) | 2022-06-07 | 2022-06-07 | Hospital is dense water recovery unit for pure water based on high pressure membrane separation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221394202.5U CN219156599U (en) | 2022-06-07 | 2022-06-07 | Hospital is dense water recovery unit for pure water based on high pressure membrane separation |
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| Publication Number | Publication Date |
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| CN219156599U true CN219156599U (en) | 2023-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221394202.5U Active CN219156599U (en) | 2022-06-07 | 2022-06-07 | Hospital is dense water recovery unit for pure water based on high pressure membrane separation |
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| CN (1) | CN219156599U (en) |
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2022
- 2022-06-07 CN CN202221394202.5U patent/CN219156599U/en active Active
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