CN219792621U - Small ultrapure water production and processing equipment - Google Patents
Small ultrapure water production and processing equipment Download PDFInfo
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- CN219792621U CN219792621U CN202321348480.1U CN202321348480U CN219792621U CN 219792621 U CN219792621 U CN 219792621U CN 202321348480 U CN202321348480 U CN 202321348480U CN 219792621 U CN219792621 U CN 219792621U
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- 229910021642 ultra pure water Inorganic materials 0.000 title claims abstract description 45
- 239000012498 ultrapure water Substances 0.000 title claims abstract description 45
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 217
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 100
- 229910001868 water Inorganic materials 0.000 claims abstract description 74
- 239000007788 liquid Substances 0.000 claims abstract description 73
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 73
- 238000003860 storage Methods 0.000 claims abstract description 46
- 238000000926 separation method Methods 0.000 claims abstract description 37
- 238000001223 reverse osmosis Methods 0.000 claims abstract description 29
- 238000007789 sealing Methods 0.000 claims abstract description 24
- 239000007789 gas Substances 0.000 claims abstract description 11
- 238000011282 treatment Methods 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 abstract description 4
- 229910001873 dinitrogen Inorganic materials 0.000 description 17
- 239000012535 impurity Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 description 1
- SDGKUVSVPIIUCF-UHFFFAOYSA-N 2,6-dimethylpiperidine Chemical compound CC1CCCC(C)N1 SDGKUVSVPIIUCF-UHFFFAOYSA-N 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000002242 deionisation method Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 230000035622 drinking Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000008570 general process Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 235000019605 sweet taste sensations Nutrition 0.000 description 1
- 235000013619 trace mineral Nutrition 0.000 description 1
- 239000011573 trace mineral Substances 0.000 description 1
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- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model relates to the technical field of preparation of small-sized ultrapure water, in particular to small-sized ultrapure water production and processing equipment, which comprises a water supply pump, a filter, a reverse osmosis device, a water storage tank and a nitrogen sealing device, wherein the nitrogen sealing device comprises a nitrogen tank and a gas-liquid separation component, the gas-liquid separation component is a cyclone type water-gas separator, and the gas-liquid separation component is arranged in the nitrogen tank for performing nitrogen sealing operation, so that the gas-liquid separation component is utilized for performing gas-liquid separation on nitrogen in the nitrogen tank, and when the nitrogen is input into the water storage tank, the nitrogen always keeps stable pressure, does not carry ultrapure water to enter, maintains the standard of nitrogen input pressure, and ensures the stability and accuracy of nitrogen sealing.
Description
Technical Field
The utility model relates to the technical field of preparation of small-sized ultrapure water, in particular to small-sized ultrapure water production and processing equipment.
Background
Ultrapure water, which was originally produced by the U.S. scientific and technological community for the development of ultrapure materials (semiconductor original materials, nano-fine ceramic materials, etc.), by distillation, deionization, reverse osmosis techniques or other suitable supercritical fine techniques, is now widely used in the fields of biology, medicine, automobiles, etc. The water has little impurity except water molecule (H20), no organic matters such as bacteria, viruses, chlorine-containing dioxin and the like, no mineral trace elements required by human bodies, no hardness of ultrapure water, sweet taste, and can be directly drunk or boiled for drinking. Ultrapure water is a very difficult degree to achieve by the general process, and if the resistivity of water is greater than 18mΩ×cm, ultrapure water is called as ultrapure water if the resistivity is close to 18.3mΩ×cm.
The existing ultrapure water preparation equipment, in particular to small ultrapure water equipment used in specific scenes such as laboratories, needs to seal the water storage tank with nitrogen after the ultrapure water is prepared and stored in the water storage tank, and isolates the ultrapure water from contacting with external impurities.
The nitrogen seal device consists of a nitrogen supply valve, a nitrogen discharge valve and a breathing valve, wherein the nitrogen supply valve consists of a command device and a main valve; the nitrogen safety valve consists of an internal feedback pressure opening type micro-pressure regulating valve and is precisely controlled by a nitrogen sealing device. When the liquid inlet valve of the storage tank is opened and materials are added into the tank, the liquid level rises, the volume of the gas phase part is reduced, and the pressure is increased. When the pressure in the tank rises above the pressure set point of the nitrogen relief valve, the nitrogen relief valve opens and releases nitrogen to the outside, causing the pressure in the tank to drop and automatically close when it drops to the pressure set point of the nitrogen relief valve.
When the liquid outlet valve of the storage tank is opened, the liquid level is reduced, the volume of the gas phase part is increased, the pressure in the tank is reduced, the nitrogen supply valve is opened, nitrogen is injected into the storage tank, the pressure in the tank is increased to the pressure set value of the nitrogen supply valve, and the storage tank is automatically closed.
However, in the conventional nitrogen seal device, when nitrogen is recycled, a part of ultrapure water in the storage tank is returned to the nitrogen tank, and when nitrogen is recycled to the storage tank again, the ultrapure water in the storage tank is returned to the storage tank again, and the ultrapure water in the storage tank is deviated from the air pressure and the hydraulic pressure, so that the standard state cannot be achieved, the ultrapure water in the nitrogen is required to be separated and then can be recycled to the storage tank.
Disclosure of Invention
According to the small ultrapure water production processing equipment, the cyclone type water-gas separator is arranged in the nitrogen tank for nitrogen sealing, and the gas-liquid separation assembly is utilized to perform gas-liquid separation on nitrogen in the nitrogen tank, so that when the nitrogen is input into the water storage tank, the nitrogen always keeps stable pressure, the ultrapure water cannot be carried in, the standard of nitrogen input air pressure is maintained, and the stability and the accuracy of nitrogen sealing are ensured.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
a small ultrapure water production and processing apparatus, comprising:
the device comprises a water supply pump, a filter, a reverse osmosis device, a water storage tank and a nitrogen sealing device;
the water supply pump is communicated with the filter through a pipeline, and is used for delivering liquid water to the filter, and the filter is used for filtering the liquid water;
the reverse osmosis device is communicated with the filter through a pipeline and is used for carrying out reverse osmosis treatment on liquid water output by the filter;
the water storage tank is communicated with the reverse osmosis device and stores the liquid pure water output by the reverse osmosis device;
the nitrogen sealing device is arranged at the top of the water storage tank and is used for sealing liquid pure water in the water storage tank with nitrogen, the nitrogen sealing device comprises a nitrogen tank and a gas-liquid separation assembly, the nitrogen tank is communicated with the top of the water storage tank through a pipeline, the gas-liquid separation assembly is arranged in the water storage tank and is used for separating moisture in nitrogen, and the gas-liquid separation assembly is a cyclone water-gas separator.
As an improvement, the filter is arranged with two groups, and the filter is an activated carbon filter.
As an improvement, the top of the filter is provided with a pressure gauge.
As an improvement, the reverse osmosis device is provided with four groups in an arrangement way, and the liquid water output by the filter sequentially passes through the reverse osmosis device.
As an improvement, the gas-liquid separation assembly comprises a rotary reversing pipe and a liquid separation plate;
the rotary reversing tube is rotatably arranged at the upper part of the nitrogen tank;
the liquid separation plate is fixedly arranged at the lower part of the nitrogen tank, and a channel for liquid water to pass through is formed between the liquid separation plate and the side wall of the nitrogen tank.
As an improvement, the rotary reversing tube comprises a tube body and spiral sheets;
the pipe body is arranged in a circular pipe shape, and the pipe body is communicated with each other up and down;
the spiral sheet surrounds the side wall of the pipe body, is spirally arranged along the axial direction of the pipe body, and is not contacted with the side wall of the nitrogen tank.
As an improvement, the top of the pipe body is provided with an inclined and fixedly arranged reversing plate which separates the air inlet and the air outlet of the nitrogen tank.
As an improvement, the inclined bottom of the reversing plate is provided with a liquid guide tube.
The utility model has the beneficial effects that:
(1) According to the utility model, the gas-liquid separation component of the cyclone type water-gas separator is arranged in the nitrogen tank for nitrogen sealing, and the gas-liquid separation component is utilized to perform gas-liquid separation on nitrogen in the nitrogen tank, so that when the nitrogen is input into the water storage tank, the nitrogen always keeps stable pressure, the nitrogen cannot enter with ultrapure water, the standard of nitrogen input pressure is maintained, and the stability and accuracy of nitrogen sealing are ensured;
(2) According to the utility model, by arranging two groups of filters and four groups of reverse osmosis devices, liquid water is filtered twice and subjected to four reverse osmosis treatments, so that the quality of prepared ultrapure water is ensured;
(3) The gas-liquid separation assembly of the present utility model separates ultrapure water contained in nitrogen gas by a rotating spiral piece by means of high-speed rotation of a rotating reversing tube, and the separated ultrapure water is stored in the bottom of a nitrogen tank.
In conclusion, the utility model has the advantages of high automation degree, miniaturization, stable nitrogen seal and the like, and is particularly suitable for the technical field of preparation of small ultrapure water.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic rear view of the present utility model;
FIG. 3 is a schematic diagram of the nitrogen seal device of the present utility model in elevation;
FIG. 4 is a schematic cross-sectional view of a nitrogen seal apparatus of the present utility model;
FIG. 5 is a schematic diagram showing the working state of the gas-liquid separation assembly according to the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
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", 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 apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus 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 one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Example 1:
as shown in fig. 1 to 5, a small ultrapure water production processing apparatus includes:
a water supply pump 1, a filter 2, a reverse osmosis device 3, a water storage tank 4 and a nitrogen sealing device 5;
the water supply pump 1 is communicated with the filter 2 through a pipeline, the water supply pump 1 is used for conveying liquid water to the filter 2, and the filter 2 is used for filtering the liquid water;
the reverse osmosis device 3 is communicated with the filter 2 through a pipeline, and the reverse osmosis device 3 carries out reverse osmosis treatment on liquid water output by the filter 2;
the water storage tank 4 is communicated with the reverse osmosis device 3, and the water storage tank 4 stores liquid pure water output by the reverse osmosis device 3;
the nitrogen sealing device 5 is arranged at the top of the water storage tank 4, the nitrogen sealing device 5 seals liquid pure water in the water storage tank 4 with nitrogen, the nitrogen sealing device 5 comprises a nitrogen tank 51 and a gas-liquid separation component 52, the nitrogen tank 51 is communicated with the top of the water storage tank 4 through a pipeline, the gas-liquid separation component 52 is arranged in the water storage tank 4, the gas-liquid separation component 52 separates moisture in nitrogen, and the gas-liquid separation component 52 is a cyclone water-gas separator.
Wherein, the filter 2 is arranged with two groups, and this filter 2 is the active carbon filter, the top of filter 2 all is provided with manometer 21.
Further, the reverse osmosis device 3 is provided with four groups in an arrangement, and the liquid water output by the filter 2 sequentially passes through the reverse osmosis device 3.
It is emphasized that the gas-liquid separation module 52 includes a rotary reversing pipe 521 and a liquid separation plate 522;
the rotary reversing pipe 521 is rotatably installed at the upper portion of the nitrogen tank 51;
the liquid separation plate 522 is fixedly installed at the lower portion of the nitrogen tank 51, and a passage 523 through which liquid water passes is formed between the liquid separation plate 522 and the sidewall of the nitrogen tank 51.
Further, the rotary reversing pipe 521 includes a pipe body 5211 and a spiral piece 5212;
the pipe body 5211 is arranged in a circular pipe shape, and the pipe body 5211 is communicated with each other up and down;
the spiral piece 5212 is spirally arranged around the side wall of the pipe body 5211 in the axial direction of the pipe body 5211, and the spiral piece 5212 is not in contact with the side wall of the nitrogen tank 51.
Further, a sloped and fixed deflector 5213 is provided on the top of the tube 5211, and the deflector 5213 separates the inlet and outlet of the nitrogen tank 51.
And, the inclined bottom of the deflector 5213 is provided with a liquid guide tube 5214.
Specifically, the liquid water is filtered and pretreated by the filter 2, then is subjected to reverse osmosis treatment by the reverse osmosis device 3, and is conveyed into the water storage tank 4 for storage, and when in use, the liquid water is pumped to a water consumption point by the pure water pump through the ion exchanger and the ultraviolet lamp.
Further, when the ultrapure water is stored in the water storage tank 4, the nitrogen sealing device 5 positioned at the top of the water storage tank 4 inputs nitrogen into the water storage tank 4 to perform nitrogen sealing treatment on the ultrapure water in the water storage tank 4, so that contact with external impurities is isolated.
Specifically, the air outlet pipe 501 and the air return pipe 502 are arranged on the nitrogen tank 51, the air outlet pipe 501 is provided with the air outlet valve 503, the air return pipe 502 is provided with the air return valve 504, both the air outlet valve 503 and the air return valve 504 are controlled by the commander, when the liquid inlet valve of the water storage tank 4 is opened, the liquid level rises, the volume of the gas phase part is reduced, the pressure is increased, when the ultrapure water is added into the tank, when the pressure in the tank rises to be higher than the nitrogen safety pressure set point, the air return valve 504 is opened and releases nitrogen to the nitrogen tank 51, so that the pressure in the water storage tank 4 falls, and is automatically closed when the pressure in the tank falls to the nitrogen safety pressure set point, otherwise, when the liquid outlet valve of the water storage tank 4 is opened, the ultrapure water is output to the outside, the liquid level falls, the volume of the gas phase part is increased, the pressure is reduced, the air outlet valve 503 is opened, nitrogen is injected into the water storage tank 4, the pressure in the tank rises, when the pressure in the tank rises the nitrogen safety pressure set point, and the air outlet valve 503 is automatically closed.
And in the nitrogen gas of returning the nitrogen gas jar 51 through muffler 502, need carry out gas-liquid separation through gas-liquid separation subassembly 52 and handle, outlet duct 501, muffler 502 all communicate with nitrogen gas jar 51 top, the bottom of nitrogen gas jar 51 is provided with drainage valve, nitrogen gas is from muffler 502 back to nitrogen gas jar 51 back, along rotatory switching-over pipe 521 downwards, in the downward in-process, ultrapure water in the nitrogen separates with nitrogen gas through rotatory flight 5212, and nitrogen gas returns the top of nitrogen gas jar 51 again through body 5211, ultrapure water then flows downwards through the tank wall of nitrogen gas jar 51, the bottom of runner nitrogen gas jar 51, and the bottom at nitrogen gas jar 51 has set up branch liquid board 522, block ultrapure water.
And, set up the reversing plate 5213 at the top of nitrogen gas jar 51 and separate the return air inlet and the gas outlet at nitrogen gas jar 51 top, guarantee that the nitrogen gas after the separation can not mix with the nitrogen gas of follow-up input to still set up catheter 5214, export the ultrapure water of reversing plate 5213 department.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (8)
1. A small-sized ultrapure water production and processing apparatus, characterized by comprising:
a water supply pump (1), a filter (2), a reverse osmosis device (3), a water storage tank (4) and a nitrogen sealing device (5);
the water supply pump (1) is communicated with the filter (2) through a pipeline, the water supply pump (1) is used for conveying liquid water to the filter (2), and the filter (2) is used for filtering the liquid water;
the reverse osmosis device (3) is communicated with the filter (2) through a pipeline, and the reverse osmosis device (3) carries out reverse osmosis treatment on liquid water output by the filter (2);
the water storage tank (4) is communicated with the reverse osmosis device (3), and the water storage tank (4) stores liquid pure water output by the reverse osmosis device (3);
the nitrogen sealing device (5) is arranged at the top of the water storage tank (4), the nitrogen sealing device (5) is used for sealing liquid pure water in the water storage tank (4) with nitrogen, the nitrogen sealing device (5) comprises a nitrogen tank (51) and a gas-liquid separation component (52), the nitrogen tank (51) is communicated with the top of the water storage tank (4) through a pipeline, the gas-liquid separation component (52) is arranged in the water storage tank (4), the gas-liquid separation component (52) is used for separating moisture in nitrogen, and the gas-liquid separation component (52) is a cyclone water-gas separator.
2. A small ultrapure water production processing apparatus as recited in claim 1, wherein:
the filters (2) are arranged in two groups, and the filters (2) are activated carbon filters.
3. A small ultrapure water production processing apparatus as recited in claim 1, wherein:
the top of filter (2) all is provided with manometer (21).
4. A small ultrapure water production processing apparatus as recited in claim 1, wherein:
the reverse osmosis device (3) is provided with four groups in an arrangement way, and liquid water output by the filter (2) sequentially passes through the reverse osmosis device (3).
5. A small ultrapure water production processing apparatus as recited in claim 1, wherein:
the gas-liquid separation assembly (52) comprises a rotary reversing pipe (521) and a liquid separating plate (522);
the rotary reversing pipe (521) is rotatably arranged at the upper part of the nitrogen tank (51);
the liquid separation plate (522) is fixedly arranged at the lower part of the nitrogen tank (51), and a channel (523) for liquid water to pass through is formed between the liquid separation plate (522) and the side wall of the nitrogen tank (51).
6. A small ultrapure water production processing apparatus as recited in claim 5, wherein:
the rotary reversing pipe (521) comprises a pipe body (5211) and spiral sheets (5212);
the pipe body (5211) is arranged in a circular pipe shape, and the pipe body (5211) is communicated with each other up and down;
the spiral piece (5212) surrounds the side wall of the pipe body (5211), is spirally arranged along the axial direction of the pipe body (5211), and is not contacted with the side wall of the nitrogen tank (51).
7. A small ultrapure water production processing apparatus as recited in claim 6, wherein:
the top of the pipe body (5211) is provided with a reversing plate (5213) which is inclined and fixedly arranged, and the reversing plate (5213) separates an air inlet and an air outlet of the nitrogen tank (51).
8. A small ultrapure water production processing apparatus as recited in claim 7, wherein:
the inclined bottom of the reversing plate (5213) is provided with a liquid guide pipe (5214).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321348480.1U CN219792621U (en) | 2023-05-30 | 2023-05-30 | Small ultrapure water production and processing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321348480.1U CN219792621U (en) | 2023-05-30 | 2023-05-30 | Small ultrapure water production and processing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219792621U true CN219792621U (en) | 2023-10-03 |
Family
ID=88186549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321348480.1U Active CN219792621U (en) | 2023-05-30 | 2023-05-30 | Small ultrapure water production and processing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219792621U (en) |
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2023
- 2023-05-30 CN CN202321348480.1U patent/CN219792621U/en active Active
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