CN220887245U - Water preparation system for ultrapure dialysis - Google Patents
Water preparation system for ultrapure dialysis Download PDFInfo
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- CN220887245U CN220887245U CN202322381096.8U CN202322381096U CN220887245U CN 220887245 U CN220887245 U CN 220887245U CN 202322381096 U CN202322381096 U CN 202322381096U CN 220887245 U CN220887245 U CN 220887245U
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- pipeline
- water
- control valve
- inlet
- reverse osmosis
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 139
- 238000000502 dialysis Methods 0.000 title claims abstract description 19
- 238000002360 preparation method Methods 0.000 title abstract description 5
- 239000012528 membrane Substances 0.000 claims abstract description 45
- 238000001223 reverse osmosis Methods 0.000 claims abstract description 44
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 42
- 230000001954 sterilising effect Effects 0.000 claims description 29
- 238000004519 manufacturing process Methods 0.000 claims description 13
- 238000010438 heat treatment Methods 0.000 claims description 12
- 239000002699 waste material Substances 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 description 6
- 229910021642 ultra pure water Inorganic materials 0.000 description 3
- 239000012498 ultrapure water Substances 0.000 description 3
- 238000004891 communication Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000005406 washing Methods 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
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- External Artificial Organs (AREA)
Abstract
The utility model provides a water preparation system for ultrapure dialysis, which comprises a circulating water tank, a first-stage reverse osmosis membrane group, a second-stage reverse osmosis membrane group, an EDI device and a heat disinfection device, wherein a water inlet of the circulating water tank is connected with a softened water pipeline, an outlet of the circulating water tank is connected with a water inlet of the first-stage reverse osmosis membrane group through a first pipeline, a water outlet of the first-stage reverse osmosis membrane group is connected with a water inlet of the second-stage reverse osmosis membrane group through a second pipeline, a water outlet of the second-stage reverse osmosis membrane group is connected with a water inlet of the EDI device through a third pipeline, a water outlet of the EDI device is connected with an inlet of the heat disinfection device through a fourth pipeline, and an outlet of the heat disinfection device is connected with a water consumption point. It is convenient for disinfection, and saves time and labor.
Description
Technical Field
The utility model relates to the technical field of water production, in particular to a water production system for ultrapure dialysis.
Background
The existing water making machine for ultrapure dialysis does not have a self-sterilizing system, and when the water making machine is used for sterilizing, all the components are required to be disassembled for sterilizing, so that the time and the labor are wasted, and the cost is increased.
Disclosure of utility model
According to the technical problems set forth above, a water production system for ultrapure dialysis is provided. The water preparation system for ultrapure dialysis provided by the utility model is provided with a disinfection system, so that time and labor are saved.
The utility model adopts the following technical means:
The utility model provides an ultrapure dialysis water production system, includes circulation tank, one-level reverse osmosis membrane group, second grade reverse osmosis membrane group, EDI device and heat disinfection device, circulation tank's water inlet is connected with the demineralized water pipeline, circulation tank's export is through first pipeline connection the water inlet of one-level reverse osmosis membrane group, one-level reverse osmosis membrane group's output mouth of a river is through the second pipeline connection the water inlet of second grade reverse osmosis membrane group, the output mouth of a river of second grade reverse osmosis membrane group is through the third pipeline connection the water inlet of EDI device, the output mouth of a river of EDI device is through fourth pipeline connection heat disinfection device's entry, heat disinfection device's exit linkage is to the water point.
Further, a first control valve and a first delivery pump are sequentially arranged on the first pipeline along the water delivery direction, and a first one-way valve and a second delivery pump are sequentially arranged on the second pipeline along the water delivery direction.
Further, the concentrated solution outlet of the first-stage reverse osmosis membrane group is connected to the inlet pipeline of the first control valve through a fifth pipeline, and the concentrated solution outlet of the second-stage reverse osmosis membrane group is connected to the inlet pipeline of the second conveying pump through a sixth pipeline.
Further, a first control valve bank is arranged on the fifth pipeline, a second control valve bank is arranged on the sixth pipeline, a waste discharge pipeline is connected to the fifth pipeline, and a liquid discharge valve bank is arranged on the waste discharge pipeline.
Further, the first control valve group comprises two diaphragm valves and a one-way valve arranged between the two diaphragm valves, and the second control valve group comprises two diaphragm valves and a one-way valve which are sequentially arranged along the water conveying direction.
Further, a heating device is arranged in the circulating water tank, the bottom outlet of the circulating water tank is connected to the inlet of a third conveying pump through a pipeline, the outlet of the third conveying pump is connected to the inlet pipeline of the first conveying pump through a first branch pipeline, the outlet of the third conveying pump is connected to the inlet pipeline of the second conveying pump through a second branch pipeline, a second control valve is arranged on the first branch pipeline, a third control valve is arranged on the second branch pipeline, a seventh pipeline is arranged between the second pipeline and the third pipeline, a sixth control valve is arranged on the seventh pipeline, the third pipeline is communicated with the circulating water tank through an eighth pipeline, and a seventh control valve is arranged on the eighth pipeline.
Further, a filter is arranged on the fourth pipeline.
Further, a fourth control valve is arranged on the third pipeline, and an inlet pipeline of the fourth control valve is connected with the fourth pipeline through a fifth control valve.
Further, the heat sterilization device comprises a heat sterilization circulating pump and a heater, wherein an inlet of the heat sterilization circulating pump is connected with the fourth pipeline through a water inlet valve, the heater is arranged on an outlet pipeline of the heat sterilization circulating pump, the outlet pipeline of the heat sterilization circulating pump is connected to a water point, a water return valve is arranged on a downstream pipeline of the water point, and a water outlet of the water return valve is communicated with the circulating water tank through a pipeline.
The utility model has the following advantages:
The utility model provides a water preparation system for ultrapure dialysis, which comprises a circulating water tank, a first-stage reverse osmosis membrane group, a second-stage reverse osmosis membrane group, an EDI device and a heat disinfection device, wherein a water inlet of the circulating water tank is connected with a softened water pipeline, an outlet of the circulating water tank is connected with a water inlet of the first-stage reverse osmosis membrane group through a first pipeline, a water outlet of the first-stage reverse osmosis membrane group is connected with a water inlet of the second-stage reverse osmosis membrane group through a second pipeline, a water outlet of the second-stage reverse osmosis membrane group is connected with a water inlet of the EDI device through a third pipeline, a water outlet of the EDI device is connected with an inlet of the heat disinfection device through a fourth pipeline, and an outlet of the heat disinfection device is connected with a water consumption point. It is convenient for disinfection, and saves time and labor.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to the drawings without inventive effort to a person skilled in the art.
Fig. 1 is a schematic perspective view of an embodiment of the present utility model.
In the figure: 1. the water treatment system comprises a circulating water tank, 2, a first-stage reverse osmosis membrane group, 3, a second-stage reverse osmosis membrane group, 4, an EDI device, 5, a softened water pipeline, 6, a water inlet control valve, 7, a first pipeline, 8, a second pipeline, 9, a third pipeline, 10, a fourth pipeline, 11, a water point, 12, a first control valve, 13, a first conveying pump, 14, a first check valve, 15, a second conveying pump, 16, a heat sterilization circulating pump, 17, a heater, 18, a water inlet valve, 19, a water return valve, 20, a fifth pipeline, 21, a sixth pipeline, 22, a waste discharge pipeline, 23, a liquid discharge valve group, 24, a second control valve, 25, a third control valve, 26, a seventh pipeline, 27, a heating device, 28, a sixth control valve, 29, an eighth pipeline, 30, a seventh control valve, 31, a filter, 32, a fourth control valve, 33, a fifth control valve, 34, a third conveying pump, 35, a first branch pipeline, 36 and a second branch pipeline.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, based on the embodiments in this disclosure, which would be apparent to one of ordinary skill in the art without undue burden are within the scope of the present utility model.
Example 1
As shown in FIG. 1, the water producing system for ultrapure dialysis comprises a circulating water tank 1, a first-stage reverse osmosis membrane group 2, a second-stage reverse osmosis membrane group 3, an EDI device 4 and a heat sterilization device, wherein a water inlet of the circulating water tank 1 is connected with a softened water pipeline 5, a water inlet control valve 6 is arranged on the softened water pipeline 5, a bottom outlet of the circulating water tank 1 is connected with a water inlet of the first-stage reverse osmosis membrane group 2 through a first pipeline 7, a water outlet of the first-stage reverse osmosis membrane group 2 is connected with a water inlet of the second-stage reverse osmosis membrane group 3 through a second pipeline 8, a water outlet of the second-stage reverse osmosis membrane group 3 is connected with a water inlet of the EDI device 4 through a third pipeline 9, a water outlet of the EDI device 4 is connected with an inlet of the heat sterilization device through a fourth pipeline 10, and an outlet of the heat sterilization device is connected with a water using point 11. The first pipeline 7 is provided with a first control valve 12 and a first delivery pump 13 in sequence along the water delivery direction, and the second pipeline 8 is provided with a first check valve 14 and a second delivery pump 15 in sequence along the water delivery direction.
Specifically, the heat sterilization device of the present embodiment includes a heat sterilization circulation pump 16 and a heater 17, the inlet of the heat sterilization circulation pump 16 is connected with the fourth pipeline 10 through a water inlet valve 18, the heater 17 is disposed on the outlet pipeline of the heat sterilization circulation pump 16, the heater 17 is preferably a heating rod, the outlet pipeline of the heat sterilization circulation pump 16 is connected to the water consumption point 11, a water return valve 19 is disposed on the downstream pipeline of the water consumption point 11, and the water outlet of the water return valve 19 is communicated with the circulation water tank 1 through a pipeline. A pressure sensor is arranged on the pipeline upstream of the water point 11. A waste valve is arranged on the downstream pipeline of the water return valve 19.
In use, the water return valve 19 is closed, the water inlet valve 18 is opened, when the pipeline pressure reaches a set value, the water inlet valve 18 is closed, the pipeline heat sterilization circulating pump 16 is started, the heater 17 is started, and the circulating heating is performed. When the sterilization temperature is reached, a timer is started. After the disinfection is finished, the waste discharge valve is opened, the water inlet is opened, and the washing and cooling are carried out. It should be noted that, in this embodiment, pure water of the reverse osmosis membrane group passes through the heat disinfection device, and the pure water carries out pipeline heat disinfection to the later stage pipeline after heating, convenient and fast, labour saving and time saving.
To increase system recovery: the concentrated solution outlet of the first-stage reverse osmosis membrane group 2 is connected to the inlet pipeline of the first control valve 12 through a fifth pipeline 20, and the concentrated solution outlet of the second-stage reverse osmosis membrane group 3 is connected to the inlet pipeline of the second delivery pump 15 through a sixth pipeline 21.
Specifically, a first control valve group is arranged on the fifth pipeline 20, a second control valve group is arranged on the sixth pipeline 21, a waste discharge pipeline 22 is connected to the fifth pipeline 20, and a liquid discharge valve group 23 is arranged on the waste discharge pipeline 22. For the convenience of control, prevent thick liquid backward flow, first control valves includes two diaphragm valves and sets up the check valve between two diaphragm valves, and the second control valves includes two diaphragm valves and a check valve that set up in proper order along the direction of water delivery. The drain valve group 23 comprises an electric ball valve and a diaphragm valve which are sequentially arranged along the water conveying direction.
When in use, one part of the primary concentrated water from the primary reverse osmosis membrane group 2 passes through the first control valve group and before reaching the first delivery pump 13, the other part of the primary concentrated water is discharged by the liquid discharge valve group 23; the second concentrated water from the second reverse osmosis membrane group 3 is returned to the front of the second delivery pump 15 through the second control valve group. The EDI module concentrate returns to the circulating water tank 1.
In order to realize the heat sterilization treatment of the two-stage reverse osmosis membrane, a heating device 27 is arranged in the circulating water tank 1, preferably, the heating device 27 is a heating rod, the bottom outlet of the circulating water tank 1 is connected to the inlet of a third conveying pump 34 through a pipeline, the outlet of the third conveying pump 34 is connected to the inlet pipeline of the first conveying pump 13 through a first branch pipeline 35, the outlet of the third conveying pump 34 is connected to the inlet pipeline of the second conveying pump 15 through a second branch pipeline 36, a second control valve 24 is arranged on the first branch pipeline 35, a third control valve 25 is arranged on the second branch pipeline 36, a seventh pipeline 26 is arranged between the second pipeline 8 and the third pipeline 9, a sixth control valve 28 is arranged on the seventh pipeline 26, the third pipeline 9 is communicated with the circulating water tank 1 through an eighth pipeline 29, and a seventh control valve 30 is arranged on the eighth pipeline 29.
When the circulating water tank 1 is used, the medium liquid level is reached, the heating rod in the circulating water tank is started to heat, the third conveying pump 34 is started, the second control valve 24, the third control valve 25, the seventh control valve 30 and the sixth control valve 28 are opened, water in the circulating water tank 1 is heated by the heating device 27, reaches the first-stage reverse osmosis membrane group 2 through the second control valve 24, reaches the second-stage reverse osmosis membrane group 3 through the third control valve 25, and returns to the circulating water tank 1 through the seventh control valve 30. Heating while circulating, starting timing after the film heat sterilization temperature is reached, opening a liquid discharge valve group 23 after the sterilization time is reached, and simultaneously adding softened water into the circulating water tank 1 to cool the system. And finishing the double-stage membrane heat elimination.
In order to improve the quality of the ultrapure water, a filter 31 is provided in the fourth pipe 10 of the present embodiment.
In order to realize switching between the pure water mode and the ultra-pure water mode so as to adapt to different use situations, the third pipeline 9 of the embodiment is provided with a fourth control valve 32, and an inlet pipeline of the fourth control valve 32 is connected with the fourth pipeline 10 through a fifth control valve 33.
In use, the fifth control valve 33 is closed and the fourth control valve 32 is opened in the ultra-pure water mode. The fifth control valve 33 is in pure water mode when the fourth control valve 32 is opened and closed.
It should be noted that the detailed portions of the present utility model are not described in the prior art.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature "above," "over" and "on" a second feature may be a first feature directly above or obliquely above the second feature, or simply indicate that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
In the description of the present utility model, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (9)
1. An ultrapure dialysis water production system, characterized in that: including circulation tank, one-level reverse osmosis membrane group, second grade reverse osmosis membrane group, EDI device and heat sterilization device, circulation tank's water inlet is connected with the demineralized water pipeline, circulation tank's export is through first pipe connection the water inlet of one-level reverse osmosis membrane group, one-level reverse osmosis membrane group's output mouth of a river passes through the second pipe connection the water inlet of second grade reverse osmosis membrane group, the output mouth of a river of second grade reverse osmosis membrane group passes through the third pipe connection the water inlet of EDI device, the output mouth of a river of EDI device passes through the fourth pipe connection heat sterilization device's entry, heat sterilization device's exit linkage is to the water consumption point.
2. The ultrapure dialysis water production system according to claim 1, wherein: the first pipeline is provided with a first control valve and a first delivery pump in sequence along the water delivery direction, and the second pipeline is provided with a first check valve and a second delivery pump in sequence along the water delivery direction.
3. The ultrapure dialysis water production system according to claim 2, wherein: the concentrated solution outlet of the first-stage reverse osmosis membrane group is connected to the inlet pipeline of the first control valve through a fifth pipeline, and the concentrated solution outlet of the second-stage reverse osmosis membrane group is connected to the inlet pipeline of the second conveying pump through a sixth pipeline.
4. A water production system for ultrapure dialysis as claimed in claim 3, wherein: the fifth pipeline is provided with a first control valve bank, the sixth pipeline is provided with a second control valve bank, the fifth pipeline is connected with a waste discharge pipeline, and the waste discharge pipeline is provided with a liquid discharge valve bank.
5. The ultrapure dialysis water production system according to claim 4, wherein: the first control valve group comprises two diaphragm valves and a one-way valve arranged between the two diaphragm valves, and the second control valve group comprises two diaphragm valves and a one-way valve which are sequentially arranged along the water conveying direction.
6. The ultrapure dialysis water production system according to claim 2, wherein: the heating device is arranged in the circulating water tank, the bottom outlet of the circulating water tank is connected to the inlet of a third conveying pump through a pipeline, the outlet of the third conveying pump is connected to the inlet pipeline of the first conveying pump through a first branch pipeline, the outlet of the third conveying pump is connected to the inlet pipeline of the second conveying pump through a second branch pipeline, a second control valve is arranged on the first branch pipeline, a third control valve is arranged on the second branch pipeline, a seventh pipeline is arranged between the second pipeline and the third pipeline, a sixth control valve is arranged on the seventh pipeline, the third pipeline is communicated with the circulating water tank through an eighth pipeline, and a seventh control valve is arranged on the eighth pipeline.
7. The ultrapure dialysis water production system according to claim 1, wherein: and a filter is arranged on the fourth pipeline.
8. The ultrapure dialysis water production system according to claim 1, wherein: the third pipeline is provided with a fourth control valve, and an inlet pipeline of the fourth control valve is connected with the fourth pipeline through a fifth control valve.
9. The ultrapure dialysis water production system according to any one of claims 1 to 8, characterized in that: the heat sterilization device comprises a heat sterilization circulating pump and a heater, wherein an inlet of the heat sterilization circulating pump is connected with the fourth pipeline through a water inlet valve, the heater is arranged on an outlet pipeline of the heat sterilization circulating pump, the outlet pipeline of the heat sterilization circulating pump is connected to a water point, a water return valve is arranged on a downstream pipeline of the water point, and a water outlet of the water return valve is communicated with the circulating water tank through a pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322381096.8U CN220887245U (en) | 2023-09-04 | 2023-09-04 | Water preparation system for ultrapure dialysis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322381096.8U CN220887245U (en) | 2023-09-04 | 2023-09-04 | Water preparation system for ultrapure dialysis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220887245U true CN220887245U (en) | 2024-05-03 |
Family
ID=90869035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322381096.8U Active CN220887245U (en) | 2023-09-04 | 2023-09-04 | Water preparation system for ultrapure dialysis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220887245U (en) |
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2023
- 2023-09-04 CN CN202322381096.8U patent/CN220887245U/en active Active
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