CN220223899U - Low-pressure area sterile water aftertreatment system - Google Patents
Low-pressure area sterile water aftertreatment system Download PDFInfo
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- CN220223899U CN220223899U CN202321625316.0U CN202321625316U CN220223899U CN 220223899 U CN220223899 U CN 220223899U CN 202321625316 U CN202321625316 U CN 202321625316U CN 220223899 U CN220223899 U CN 220223899U
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- water
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- sterile water
- sterile
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 413
- 239000008223 sterile water Substances 0.000 title claims abstract description 132
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 33
- 230000001954 sterilising effect Effects 0.000 claims abstract description 12
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 29
- 239000010865 sewage Substances 0.000 claims description 19
- 238000001914 filtration Methods 0.000 claims description 11
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 9
- 239000000460 chlorine Substances 0.000 claims description 9
- 229910052801 chlorine Inorganic materials 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 7
- 238000005070 sampling Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- 241000894006 Bacteria Species 0.000 claims description 5
- 230000001580 bacterial effect Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 238000005273 aeration Methods 0.000 description 4
- 239000008400 supply water Substances 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000007726 management method Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000275 quality assurance Methods 0.000 description 1
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- Physical Water Treatments (AREA)
Abstract
The utility model discloses a sterile water post-treatment system in a low-pressure area, which comprises a sterile water tank and a water terminal group, wherein a water supply pipe is connected between the output end of the sterile water tank and the water terminal group, a return pipe is connected between the water terminal group and a return port of the sterile water tank, the water supply pipe and the return pipe form a sterile water loop, and a water supply pump device and a sterilization and strain system are arranged on the water supply pipe, and the sterile water post-treatment system is characterized in that: the return pipe is provided with a pressure maintaining shutoff valve, and a water end pressure sensor is arranged on a sterile water loop close to the water end group; the water pressure sensor transmits a water pressure value to the processor, and the control end of the processor is connected with the pressure maintaining shutoff valve. The remarkable effects are as follows: can automatically maintain the stable water pressure of water supply of various departments in the low-pressure area of the hospital.
Description
Technical Field
The utility model relates to the technical field of hospital water supply, in particular to a low-pressure area sterile water aftertreatment system.
Background
At present, the sterile water supply requirements of different departments of all large hospitals are often provided with a sterile water post-treatment system which is specially used for meeting the sterile water use requirements of the hospitals, but because the water use standards of all departments are different, especially for all departments in a low-pressure area, the required water quantity and water pressure often cannot be stably distributed, and the situations that the water supply water pressure is unstable and the actual water demand cannot be met often occur. In the prior art, in order to solve the problem, each department designs and produces an independent sterile water post-treatment system according to own water standard, but as each department carries out water treatment through independent water treatment equipment, the treated water can only be used in the department, so that a large number of water treatment equipment is not used for a long time, and the construction and management cost of a water supply system of a hospital is greatly increased. In addition, when water is not used for a long time, the sterile water in the pipeline also has the condition of poor water quality.
The prior art has the defects that: the water supply pressure of each department in the low-pressure area is unstable, and a plurality of water treatment systems are built, so that the cost is high and the management is complicated; when water is not used for a long time, there may be a case where the quality of the sterile water in the pipe becomes poor.
Disclosure of Invention
The utility model mainly aims to provide a sterile water aftertreatment system for a low-pressure area, so as to solve the problem of unstable water supply pressure of various departments in the low-pressure area of a hospital.
In order to achieve the above purpose, the low-pressure area sterile water aftertreatment system of the utility model comprises a sterile water tank and a water terminal group, wherein a water supply pipe is connected between the output end of the sterile water tank and the water terminal group, a return pipe is connected between the water terminal group and the return port of the sterile water tank, the water supply pipe and the return pipe form a sterile water loop, and a water supply pump device and a sterilization and strain system are arranged on the water supply pipe, which is characterized in that: the return pipe is provided with a pressure maintaining shutoff valve, and a water end pressure sensor is arranged on a sterile water loop close to the water end group; the water pressure sensor transmits a water pressure value to the processor, and the control end of the processor is connected with the pressure maintaining shutoff valve.
Through the design, after the processor receives the water pressure value data signal transmitted by the water end pressure sensor, a control instruction is output to control the pressure maintaining shutoff valve to switch between an open state and a closed state, so that automatic pressure stabilization is realized, and the water pressure stability at the water end group is ensured at any time.
When the water terminal group is used for a long time without water, the water pressure value at the water end pressure sensor is increased, the water pressure value is transmitted to the processor by the water end pressure sensor, the processor outputs a control instruction to control the pressure maintaining shutoff valve to keep an open state, the low-pressure area sterile water aftertreatment system enters a water flow circulation flowing state, a series of operations such as disinfection, sterilization, filtration and the like are performed on sterile water in the system in real time, and the quality of the sterile water in the system is guaranteed to be always in an optimal state.
As preferable: the sterilization and bacteria filtering system comprises an ultraviolet sterilizer and a microporous filter, wherein the front end of the ultraviolet sterilizer is connected with the output end of the water supply pump device, and the rear end of the ultraviolet sterilizer is connected with the water terminal group after being connected with the microporous filter in series.
As preferable: an ozone input port of the sterile water tank is connected with an ozone disinfection device, a ball valve is arranged on a pipeline between the ozone input port and the ozone input port, and the ball valve is used for controlling ozone output of the ozone disinfection device; an immersed ultraviolet lamp is also arranged in the sterile water tank; the ozone disinfection device also provides ozone for the ultraviolet sterilizer.
Through the design, the ozone disinfection device outputs ozone to respectively carry out ozone aeration disinfection on the sterile water in the sterile water tank and the ultraviolet sterilizer, and after the ozone aeration disinfection is finished, the immersed ultraviolet lamp and the ultraviolet sterilizer respectively decompose redundant ozone in the sterile water and disinfect bacteria contained in the sterile water, so that multiple disinfection is realized. After disinfection and sterilization are finished, sterile water enters a microporous filter through a water delivery pipe, and a filter element for filtering out particles with particle diameters larger than 0.22 mu m in the sterile water is arranged in the microporous filter and is used for filtering out sterilized bacterial carcasses.
As preferable: the input end of the sterile water tank is connected with a sterile water inlet pipe, and an electromagnetic valve is arranged on the sterile water inlet pipe and used for opening and closing and controlling the input of sterile water in the sterile water tank.
And a water tank water production main valve, a conductivity sensor and a residual chlorine sensor are sequentially arranged on a water delivery pipe between the output end of the sterile water tank and the input end of the water supply pump device. The water tank water production main valve is used for controlling the output of sterile water in the sterile water tank, and the conductivity sensor is used for measuring parameters such as dissolved oxygen, conductivity and the like of the sterile water in the pipeline; the residual chlorine sensor is used for detecting the residual chlorine concentration and the PH value of sterile water in the pipeline. The conductance sensor and the residual chlorine sensor are arranged in parallel, and the quality of the sterile water output by the sterile water tank is monitored together.
As preferable: the sewage discharge port of the sterile water tank is connected with a sewage discharge pipe, and a sewage discharge ball valve is arranged on the sewage discharge pipe; the sewage ball valve is used for controlling sewage discharge in the sterile water tank, and can also prevent sewage in the pipe from flowing back to the sterile water tank when the sterile water tank discharges sewage.
The upper end of the sterile water tank is provided with an exhaust device, the lower end of the sterile water tank is provided with a ball valve, and a liquid level display meter is arranged at the ball valve. The air exhaust device is used for exhausting air and keeping the air pressure balance in the sterile water tank, and the liquid level display meter is used for displaying the liquid level value in the sterile water tank in real time.
As preferable: the water supply pump device comprises a water supply pump input end ball valve, a sterile water supply pump, a check valve and a water supply pump output end ball valve which are sequentially arranged on the water supply pipe according to the water flow direction. The ball valve at the input end of the water supply pump is used for controlling the water quantity input of the sterile water supply pump; the ball valve at the output end of the water supply pump is used for controlling the water output of the sterile water supply pump; the sterile water supply pump is used for supplying water to the water terminal group for pressurizing, so that the water demand and the water pressure balance of the water terminal group are ensured; the check valve is used for preventing sterile water in the pipeline from flowing back into the sterile water supply pump.
As preferable: a second group of water supply pump devices are arranged between the sterile water tank and the ultraviolet sterilizer, and are connected in parallel and have the same structure. When the sterile water supply pump fails and maintenance is needed, the second water supply pump device is started to supply water normally for the water terminal group so as not to influence the normal water supply requirement of the water terminal group.
As preferable: the water supply pipe between the water supply pump device and the ultraviolet sterilizer is provided with a water supply pump end flow sensor and a water supply pump end pressure sensor, the water supply pump end flow sensor and the water supply pump end pressure sensor transmit flow values and pressure values to the processor, and the control end of the processor is connected with the sterile water supply pump. The water supply pump end flow sensor is used for detecting the total output water quantity of the water supply pump device and feeding back the water quantity value to the processor; the pressure sensor at the water supply pump end is used for detecting the water pressure value in the water supply pipe at the output end of the water supply pump device and transmitting the water pressure value to the processor, and the processor outputs a control instruction to control the sterile water supply pump to perform pressurization or depressurization. Not only can prevent the microporous filter from being damaged by too high water pressure, but also can prevent the problem of unstable water pressure and insufficient water supply of the water terminal group caused by too low water pressure.
As preferable: and a sampling valve, a water end pressure display meter and a ball valve are arranged on the water supply pipe between the microporous filter and the water end group. The sampling valve is used for sampling, so that the quality of sterile water in the water supply pipe can be conveniently detected; the water end pressure display meter is used for detecting the water pressure value in the water supply pipe, and the detected water pressure range is 0-2.5MPa; the ball valve is used for controlling the water quantity input of the water terminal group.
The water terminal group and the pressure maintaining shutoff valve are characterized in that a ball valve and a water end flow sensor are arranged on a return pipe between the water terminal group and the pressure maintaining shutoff valve, the water end flow sensor transmits a flow value to a processor, and the processor compares the difference between the flow values transmitted by the water supply pump end flow sensor and the flow value transmitted by the water end flow sensor to obtain the actual use flow value of the water terminal group. The ball valve is used for controlling the water output of the water terminal group.
As preferable: the exhaust port at the upper end of the microporous filter is connected with an exhaust pipe, and a pressure display meter and a ball valve are sequentially arranged on the exhaust pipe. The pressure display gauge is used for detecting the pressure value in the microporous filter, and the detection pressure range is 0-2.5MPa; the exhaust pipe is used for exhausting, and the air pressure in the balance microporous filter is stable; the ball valve is used for controlling exhaust of the exhaust pipe.
The material of water supply pipe and back flow is SS304, and the SS304 material has good heat resistance, corrosion resistance, and the processability is good, toughness is high, is convenient for production, save for this system has higher quality assurance, and is not fragile, and usable life is longer.
The utility model has the remarkable effects that the water supply pressure of each department in the low-pressure area of the hospital can be automatically maintained to be stable, and the construction cost is lower; when the water terminal group does not use water for a long time, the system enters a water flow circulation flowing state, and the sterile water quality in the system is kept in an optimal state at all times; the actual water consumption of the water terminal group can also be obtained by calculating the difference between the total input water quantity of the water supply pump device and the total output water quantity of the water terminal group.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Detailed Description
The utility model will be described in further detail with reference to the accompanying drawings and specific examples. The following examples or figures are illustrative of the utility model and are not intended to limit the scope of the utility model.
As shown in fig. 1: the utility model provides a sterile water aftertreatment system in low pressure district, includes aseptic water tank 1 and water terminal group 2, be connected with the water supply pipe between the output of aseptic water tank 1 and the water terminal group 2, be connected with the back flow between the return port of water terminal group 2 and aseptic water tank 1, water supply pipe and back flow form sterile water return circuit, wherein be provided with working pump device 3 and sterilization and strain bacterial system on the water supply pipe, its key is: the pressure maintaining shutoff valve 7 is arranged on the return pipe, and the water end pressure sensor 8 is arranged on the sterile water loop close to the water terminal group 2; the water pressure sensor 8 transmits the water pressure value to the processor, and the control end of the processor is connected with the pressure maintaining shutoff valve 7.
After receiving the water pressure value data signal transmitted by the water end pressure sensor 8, the processor outputs a control instruction to control the pressure maintaining shutoff valve 7 to switch between an open state and a closed state, so that automatic pressure stabilization is realized, and the water pressure stability at the water end group 2 is ensured at any time.
In this embodiment, the preset value of the stable water pressure value of the water terminal group 2 is 1.6MPa, and when the processor receives that the water pressure value detected by the water terminal pressure sensor 8 is greater than 1.6MPa, the processor outputs a control instruction to control the pressure maintaining shutoff valve 7 to open and release pressure; when the processor receives that the water pressure value detected by the water end pressure sensor 8 is smaller than 1.6MPa, the processor outputs a control instruction to control the pressure maintaining shutoff valve 7 to close the shutoff pressure maintaining valve, so that the water pressure of the water end group 2 is always kept stable.
When the water terminal group 2 is not used for a long time, the water pressure value at the water end pressure sensor 8 is increased, the water pressure value is transmitted to the processor by the water end pressure sensor 8, the processor outputs a control instruction to control the pressure maintaining shutoff valve 7 to keep an open state, the low-pressure area sterile water aftertreatment system enters a water flow circulation flow state, a series of operations such as disinfection, sterilization, filtration and the like are performed on sterile water in the system in real time, and the quality of the sterile water in the system is ensured to be always in an optimal state.
As shown in fig. 1: the sterilization and bacteria filtering system comprises an ultraviolet sterilizer 4 and a microporous filter 5, wherein the front end of the ultraviolet sterilizer 4 is connected with the output end of the water supply pump device 3, and the rear end of the ultraviolet sterilizer is connected with the microporous filter 5 in series and then is connected with the water terminal group 2.
An ozone input port of the sterile water tank 1 is connected with an ozone disinfection device 6, and a ball valve is arranged on a pipeline between the ozone input port and is used for controlling ozone output of the ozone disinfection device 6; an immersed ultraviolet lamp 9 is also arranged in the sterile water tank 1; the ozone disinfection device 6 also supplies ozone to the ultraviolet sterilizer 4.
Ozone disinfection device 6 output ozone respectively carry out ozone aeration disinfection to the aseptic water in aseptic water tank 1 and the ultraviolet sterilizer 4, after the ozone aeration disinfection, submerged ultraviolet lamp 9, ultraviolet sterilizer 4 decompose unnecessary ozone in the aseptic water respectively to disinfect the bacterium that contains in the aseptic water, realize multiple disinfection. After disinfection and sterilization are finished, sterile water enters a microporous filter 5 through a water supply pipe, and a filter element for filtering out particles with particle diameters larger than 0.22 mu m in the sterile water is arranged in the microporous filter 5 and is used for filtering out sterilized bacterial carcasses. After the series of disinfection, sterilization and filtration treatment, sterile water with excellent water quality and capable of being directly used by the water terminal group 2 is obtained.
As shown in fig. 1: the input end of the sterile water tank 1 is connected with a sterile water inlet pipe, and an electromagnetic valve is arranged on the sterile water inlet pipe and is used for opening and closing and controlling the input of sterile water in the sterile water tank 1.
A water tank water production main valve 10, a conductivity sensor 11 and a residual chlorine sensor 12 are sequentially arranged on a water supply pipe between the output end of the sterile water tank 1 and the input end of the water supply pump device 3. The water tank water production main valve 10 is used for controlling the output of sterile water in the sterile water tank 1, and the conductivity sensor 11 is used for measuring parameters such as dissolved oxygen, conductivity and the like of the sterile water in the pipeline; the residual chlorine sensor 12 is used for detecting the residual chlorine concentration and the PH value of the sterile water in the pipeline. The conductivity sensor 11 and the residual chlorine sensor 12 are arranged in parallel, and jointly monitor the quality of the sterile water output by the sterile water tank 1.
The sewage discharge port of the sterile water tank 1 is connected with a sewage discharge pipe, a sewage discharge ball valve is arranged on the sewage discharge pipe and used for controlling sewage discharge in the sterile water tank 1, and sewage in the pipe can be prevented from flowing back to the sterile water tank 1 when the sterile water tank 1 discharges sewage.
The upper end of the sterile water tank 1 is provided with an exhaust device 13, the lower end is provided with a ball valve, and a liquid level display meter 14 is arranged at the ball valve. The air exhaust device 13 is used for exhausting air, so that the air pressure balance in the sterile water tank 1 is kept, and the liquid level display meter 14 is used for displaying the liquid level value in the sterile water tank 1 in real time.
As shown in fig. 1: the water supply pump device 3 comprises a water supply pump input end ball valve 3a, a sterile water supply pump 3b, a check valve 3c and a water supply pump output end ball valve 3d which are sequentially arranged on a water supply pipe according to the water flow direction. The ball valve 3a at the input end of the water supply pump is used for controlling the water input of the sterile water supply pump 3 b; the ball valve 3d at the output end of the water supply pump is used for controlling the water output of the sterile water supply pump 3 b; the sterile water supply pump 3b is used for pressurizing the water supply of the water terminal group 2 and guaranteeing the water demand and the water pressure balance of the water terminal group 2; the check valve 3c is used to prevent the sterile water in the pipe from flowing back into the sterile water supply pump 3b.
The sterile water supply pump 3b may be damaged or failed after long-term use, and needs to be maintained, so as not to affect the normal water supply requirement of the water terminal set 2, in this embodiment, a second set of water supply pump devices are further disposed between the sterile water tank 1 and the ultraviolet sterilizer 4, and the second set of water supply pump devices are connected in parallel with the water supply pump devices 3, and the two sets of water supply pump devices have the same structure. When the water supply pump device 3 in use fails for maintenance, the second group of water supply pump devices is started to normally supply water and boost pressure for the water terminal group 2.
As shown in fig. 1: a water supply pump end flow sensor 15 and a water supply pump end pressure sensor 16 are arranged on a water supply pipe between the water supply pump device 3 and the ultraviolet sterilizer 4, the water supply pump end flow sensor 15 and the water supply pump end pressure sensor 16 transmit flow values and pressure values to a processor, and a control end of the processor is connected with the sterile water supply pump 3b. The water supply pump end flow sensor 15 is used for detecting the total output water quantity of the water supply pump device 3 and feeding back the water quantity value to the processor; the water supply pump end pressure sensor 16 is used for detecting the water pressure value in the water supply pipe at the output end of the water supply pump device 3 and transmitting the water pressure value to the processor, and the processor outputs a control instruction to control the sterile water supply pump 3b to perform pressurization or depressurization. Not only can prevent the microporous filter 5 from being damaged by too high water pressure, but also can prevent the problem of unstable water pressure and insufficient water supply of the water terminal group 2 caused by too low water pressure.
A sampling valve 17, a water end pressure display meter 18 and a ball valve are arranged on the water supply pipe between the microporous filter 5 and the water end group 2. The sampling valve 17 is used for sampling, so that the quality of sterile water in the water supply pipe can be conveniently detected; the water end pressure display meter 18 is used for detecting the water pressure value in the water supply pipe, and the detected water pressure range is 0-2.5MPa; the ball valve is used for controlling the water quantity input of the water terminal group 2.
A ball valve and a water end flow sensor 19 are arranged on the return pipe between the water end group 2 and the pressure maintaining shutoff valve 7. The ball valve is used for controlling the water output of the water terminal group 2, the water end flow sensor 19 is used for detecting the total output water of the water terminal group 2 and feeding back the water quantity value to the processor, and the processor receives the water quantity values transmitted by the water supply pump end flow sensor 15 and the water end flow sensor 19 and compares the water quantity values with the water quantity values to obtain the actual water quantity value of the water terminal group 2.
The exhaust port at the upper end of the microporous filter 5 is connected with an exhaust pipe, and a pressure display meter and a ball valve are sequentially arranged on the exhaust pipe. The pressure display gauge is used for detecting the pressure value in the microporous filter 5, and the detection pressure range is 0-2.5MPa; the exhaust pipe is used for exhausting, and the air pressure in the balance microporous filter 5 is stable; the ball valve is used for controlling exhaust of the exhaust pipe.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. The utility model provides a sterile water aftertreatment system in low pressure district, includes aseptic water tank (1) and uses water terminal group (2), be connected with the water supply pipe between the output of aseptic water tank (1) and the water terminal group (2), be connected with the back flow between the return port of water terminal group (2) and aseptic water tank (1), water supply pipe and back flow form sterile water circuit, wherein be provided with working pump device (3) and sterilization and strain bacterial system on the water supply pipe, its characterized in that: the backflow pipe is provided with a pressure maintaining shutoff valve (7), and a water end pressure sensor (8) is arranged on the sterile water loop close to the water end group (2); the water pressure sensor (8) transmits a water pressure value to the processor, and the control end of the processor is connected with the pressure maintaining shutoff valve (7).
2. The low-pressure zone sterile water aftertreatment system of claim 1, wherein: the sterilization and bacteria filtering system comprises an ultraviolet sterilizer (4) and a microporous filter (5), wherein the front end of the ultraviolet sterilizer (4) is connected with the output end of the water supply pump device (3), and the rear end of the ultraviolet sterilizer is connected with the microporous filter (5) in series and then is connected with the water terminal group (2).
3. The low-pressure zone sterile water aftertreatment system of claim 2, wherein: an ozone input port of the sterile water tank (1) is connected with an ozone disinfection device (6), and an immersed ultraviolet lamp (9) is arranged in the sterile water tank (1); the ozone disinfection device (6) also provides ozone for the ultraviolet sterilizer (4).
4. The low-pressure zone sterile water aftertreatment system of claim 1, wherein: the input end of the sterile water tank (1) is connected with a sterile water inlet pipe, and an electromagnetic valve is arranged on the sterile water inlet pipe; a water tank water production main valve (10), a conductivity sensor (11) and a residual chlorine sensor (12) are sequentially arranged on a water supply pipe between the output end of the sterile water tank (1) and the input end of the water supply pump device (3).
5. The low-pressure zone sterile water aftertreatment system of claim 1, wherein: the sewage discharge port of the sterile water tank (1) is connected with a sewage discharge pipe, and a sewage discharge ball valve is arranged on the sewage discharge pipe; the upper end of the sterile water tank (1) is provided with an exhaust device (13), the lower end of the sterile water tank is provided with a ball valve, and a liquid level display meter (14) is arranged at the ball valve.
6. The low-pressure zone sterile water aftertreatment system of claim 1, wherein: the water supply pump device (3) comprises a water supply pump input end ball valve (3 a), a sterile water supply pump (3 b), a check valve (3 c) and a water supply pump output end ball valve (3 d) which are arranged on a water supply pipe.
7. The low-pressure zone sterile water aftertreatment system of claim 1 or 6, wherein: a second group of water supply pump devices are arranged between the sterile water tank (1) and the ultraviolet sterilizer (4), and the second group of water supply pump devices are connected with the water supply pump device (3) in parallel and have the same structure.
8. The low-pressure zone sterile water aftertreatment system of claim 1, wherein: a water supply pipe between the water supply pump device (3) and the ultraviolet sterilizer (4) is provided with a water supply pump end flow sensor (15) and a water supply pump end pressure sensor (16), the water supply pump end flow sensor (15) and the water supply pump end pressure sensor (16) transmit flow values and pressure values to a processor, and a control end of the processor is connected with a sterile water supply pump (3 b).
9. The low-pressure zone sterile water aftertreatment system of claim 2, wherein: a sampling valve (17), a water end pressure display meter (18) and a ball valve are arranged on the water supply pipe between the microporous filter (5) and the water end group (2); the water-saving type automatic pressure-maintaining water-saving device is characterized in that a ball valve and a water-using end flow sensor (19) are arranged on a return pipe between the water-using terminal group (2) and the pressure-maintaining shutoff valve (7), the water-using end flow sensor (19) transmits flow values to a processor, and the processor compares the difference between the flow values transmitted by the water-supplying pump end flow sensor (15) and the water-using end flow sensor (19).
10. The low-pressure zone sterile water aftertreatment system of claim 2, wherein: an exhaust port at the upper end of the microporous filter (5) is connected with an exhaust pipe, and a pressure display meter and a ball valve are sequentially arranged on the exhaust pipe; a filter element for filtering out particles with the particle diameter larger than 0.22 mu m in the sterile water is arranged in the microporous filter (5); the water supply pipe and the return pipe are both made of SS304.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321625316.0U CN220223899U (en) | 2023-06-26 | 2023-06-26 | Low-pressure area sterile water aftertreatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321625316.0U CN220223899U (en) | 2023-06-26 | 2023-06-26 | Low-pressure area sterile water aftertreatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220223899U true CN220223899U (en) | 2023-12-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321625316.0U Active CN220223899U (en) | 2023-06-26 | 2023-06-26 | Low-pressure area sterile water aftertreatment system |
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| Country | Link |
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| CN (1) | CN220223899U (en) |
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2023
- 2023-06-26 CN CN202321625316.0U patent/CN220223899U/en active Active
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