Water system for sterile medical instrument process
A modular water treatment system with integrated filtration and real-time monitoring addresses inefficiencies in medical device water treatment, providing stable, high-purity water supply with reduced costs and environmental impact.
Patent Information
- Application Number
- CN202422126917.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-30
- Publication Date
- 2025-06-27
- Estimated Expiration
- 2034-08-30
AI Technical Summary
Existing no-sterile medical device processing water systems face inefficiencies in water quality treatment, instability, and high operational costs due to reliance on traditional methods that fail to effectively remove microorganisms and endotoxins, necessitating costly imports.
A modular system comprising an original water tank, pre-treatment structure, reverse osmosis structure, and electrodialysis structure, integrated with multiple filtration stages, real-time monitoring, and closed-loop recycling, ensuring high-purity water production.
The system achieves stable, high-purity water supply with reduced costs by enhancing treatment efficiency, resource recycling, and automated control, meeting stringent medical device requirements while minimizing chemical use and environmental impact.
Smart Images
Figure CN223033255U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of process water systems, and more specifically, to a process water system for sterile medical devices. Background Art
[0002] With the rapid development of the medical device industry, the quality requirements for the process water of sterile medical devices are getting higher and higher. At present, most process water systems for sterile medical devices adopt traditional water treatment technologies. Although these technologies can remove suspended solids, organic matter and hardness in water to a certain extent, there are still problems such as low treatment efficiency, unstable water quality, and inability to effectively remove microorganisms and endotoxins in water. In addition, traditional technologies often require a large amount of chemical cleaning and disinfection, which not only increases the operating cost, but may also cause secondary pollution to the water quality.
[0003] To solve these problems, existing technologies have tried to improve water quality by adding pretreatment steps and improving filter materials, but these improvements are often limited to the performance improvement of the equipment itself and lack a systematic solution. In some cases, in order to meet higher water quality standards, expensive imported equipment has to be used, which undoubtedly increases the production cost of enterprises.
[0004] Therefore, there is an urgent need for a process water system for sterile medical devices that can improve the treatment efficiency and water quality stability of process water and reduce production costs. Summary of the Utility Model
[0005] The purpose of the utility model is to provide a process water system for sterile medical devices to improve the above problems. To achieve the above purpose, the technical solution adopted by the utility model is as follows:
[0006] The present application provides a process water system for sterile medical devices, including: a raw water tank, a pretreatment structure, a reverse osmosis structure, an EDI structure, and a pure water delivery structure; the end of the pretreatment structure is connected to the water outlet of the raw water tank; the water inlet of the reverse osmosis structure is connected to the water outlet of the pretreatment structure, and the reverse osmosis structure is provided with a first concentrated water drain port and a second concentrated water drain port, and the second concentrated water drain port is connected to the water inlet of the raw water tank; the water inlet of the EDI structure is connected to the water outlet of the reverse osmosis structure, and the EDI structure is provided with a pure water outlet and a concentrated water outlet; one end of the pure water delivery structure is connected to the pure water outlet of the EDI structure, and the other end of the pure water delivery structure is connected to the water use point.
[0007] Optionally, a first ball valve, a raw water pump, a second ball valve, a low-pressure control switch, and a first pressure gauge are sequentially arranged between the raw water tank and the pretreatment structure.
[0008] Optionally, the pretreatment structure includes a full-automatic multi-media filter tank, a full-automatic activated carbon filter tank, a full-automatic softening filter tank, and a salt tank. The water inlet of the full-automatic multi-media filter tank is connected to the water outlet of the raw water tank. The water inlet of the full-automatic activated carbon filter tank is connected to the water outlet of the full-automatic multi-media filter tank. The water inlet of the full-automatic softening filter tank is connected to the water outlet of the full-automatic activated carbon filter tank. The full-automatic softening filter tank is connected to the salt tank. Drain ports are respectively provided on the full-automatic multi-media filter tank, the full-automatic activated carbon filter tank, and the full-automatic softening filter tank.
[0009] Optionally, a second pressure gauge, a security filter, a third pressure gauge, a first solenoid valve, a first high-pressure pump, a first manual regulating valve, and a fourth pressure gauge are sequentially arranged between the reverse osmosis structure and the pretreatment structure.
[0010] Optionally, the reverse osmosis structure includes a first-stage reverse osmosis module, a first conductivity tester, a first flowmeter, a PH value adjustment module, a second high-pressure pump, a second manual regulating valve, a fifth pressure gauge, and a second-stage reverse osmosis module. The water inlet of the first-stage reverse osmosis module is connected to the water outlet of the pretreatment structure. The first concentrated water drain port is provided on the first-stage reverse osmosis module. The water outlet of the first-stage reverse osmosis structure is sequentially connected to the first conductivity tester, the first flowmeter, the PH value adjustment module, the second high-pressure pump, the second manual regulating valve, and the fifth pressure gauge. The water outlet of the fifth pressure gauge is connected to the water inlet of the second-stage reverse osmosis module. The second concentrated water drain port is provided on the second-stage reverse osmosis module. The second concentrated water drain port on the second-stage reverse osmosis module is connected to the water inlet of the raw water tank.
[0011] Optionally, a second conductivity tester, a second flowmeter, a second solenoid valve, a first conveying pipeline, and a second conveying pipeline are arranged between the reverse osmosis structure and the EDI structure. One end of the second conductivity tester is connected to the water outlet of the reverse osmosis structure, and the other end of the second conductivity tester is connected to one end of the second flowmeter. The other end of the second flowmeter is connected to one end of the second solenoid valve. The other end of the second solenoid valve is respectively connected to the first conveying pipeline and the second conveying pipeline.
[0012] Optionally, a third manual regulating valve, a third flowmeter, and a sixth pressure gauge are sequentially arranged on the first conveying pipeline. A flow control module, a fourth manual regulating valve, a fourth flowmeter, and a seventh pressure gauge are sequentially arranged on the second conveying pipeline.
[0013] Optionally, the pure water delivery structure includes a purified water tank, a third delivery pipe, and a fourth delivery pipe. The water inlet of the purified water tank is connected to the pure water outlet of the EDI structure. The water outlet of the purified water tank is connected to one end of the third delivery pipe. The other end of the third delivery pipe is connected to one end of the water usage point. A third ball valve, a pure water pump, an ultraviolet germicidal lamp, and a precision filter are sequentially arranged on the third delivery pipe between the water outlet of the purified water tank and the water usage point. The other end of the water usage point is connected to one end of the fourth delivery pipe. The other end of the fourth delivery pipe is connected to the water inlet of the purified water tank. An ozone disinfection module and a third conductivity tester are sequentially arranged on the fourth delivery pipe between the water usage point and the water inlet of the purified water tank.
[0014] Optionally, a resistivity tester is arranged between the pure water delivery structure and the EDI structure;
[0015] Optionally, the water usage point includes a water pipe, a filter screen, a temperature tester, a third solenoid valve, a fifth manual regulating valve, a faucet, and a sampler. The two ends of the water pipe are respectively connected to the fourth delivery pipe. A filter screen, a temperature tester, a third solenoid valve, a fifth manual regulating valve, a faucet, and a sampler are sequentially arranged on the water pipe. The temperature tester is electrically connected to the third solenoid valve.
[0016] The beneficial effects of the present utility model are as follows:
[0017] The aseptic medical device process water system of the present utility model realizes the deep treatment of raw water through its efficient purification process, ensuring the provision of high-purity process water. The system adopts a recycling design. By connecting the concentrated water drain outlet to the raw water tank inlet, the recycling of water resources is realized, reducing waste. The automatic control function reduces manual operation, improving the stability and reliability of the system. Multiple monitoring devices such as pressure gauges, conductivity testers, and flow meters in the system can monitor the water quality and water volume in real time, and perform precise adjustment through manual regulating valves, solenoid valves, etc., ensuring the stability and consistency of water quality. The integrated application of multi-stage reverse osmosis technology and EDI technology further improves the purity of water quality, meeting the requirements of aseptic medical devices for high-purity water. The use of ultraviolet germicidal lamps and ozone disinfection modules effectively kills microorganisms in water, ensuring the sterility of water quality. The perfect delivery and circulation system design ensures the stable supply of pure water and can maintain the water quality through the circulation system. The setting of the resistivity tester can monitor the purity of water in real time, provide feedback for the system, and further ensure water quality. The modular design is convenient for maintenance and upgrading, and the configuration of each module can be flexibly adjusted according to actual needs.
[0018] Other features and advantages of the present utility model will be described in the subsequent description, and in part, will be apparent from the description, or can be understood by implementing the embodiments of the present utility model. The objectives and other advantages of the present utility model can be achieved and obtained by the structures specifically pointed out in the written description, claims, and drawings. Brief Description of the Drawings
[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present utility model, and therefore should not be regarded as a limitation of the scope. For those of ordinary skill in the art, without creative efforts, other related drawings can also be obtained based on these drawings.
[0020] Figure 1 It is a schematic structural diagram of the process water system for sterile medical devices described in the embodiments of the present utility model;
[0021] Figure 2 It is a schematic structural diagram of the water usage point of the process water system for sterile medical devices described in the embodiments of the present utility model;
[0022] Figure 3 It is a schematic cross-sectional structural diagram of the water usage point of the process water system for sterile medical devices described in the embodiments of the present utility model.
[0023] Markings in the figure: 1, original water tank; 2, first ball valve; 3, original water pump; 4, second ball valve; 5, low-pressure control switch; 6, first pressure gauge; 7, full-automatic multi-media filter tank; 8, full-automatic activated carbon filter tank; 9, full-automatic softening filter tank; 10, salt bucket; 11, second pressure gauge; 12, security filter; 13, third pressure gauge; 14, first solenoid valve; 15, first-stage high-pressure pump; 16, first manual regulating valve; 17, fourth pressure gauge; 18, first-stage reverse osmosis module; 19, first conductivity tester; 20, first flowmeter; 21, PH value adjustment module; 22, second-stage high-pressure pump; 23, second manual regulating valve; 24, fifth pressure gauge; 25, second-stage reverse osmosis module; 26, second conductivity tester; 27, second flowmeter; 28, second solenoid valve; 29, third manual regulating valve; 30, third flowmeter; 31, sixth pressure gauge; 32, flow control module; 33, fourth manual regulating valve; 34, fourth flowmeter; 35, seventh pressure gauge; 36, EDI structure; 37, resistivity tester; 38, purified water tank; 39, third ball valve; 40, pure water pump; 41, ultraviolet germicidal lamp; 42, precision filter; 43, water usage point; 44, ozone disinfection module; 45, third conductivity tester; 46, first concentrated water drain outlet; 47, second concentrated water drain outlet; 48, filter net; 49, temperature tester; 50, water pipe; 51, third solenoid valve; 52, fifth manual regulating valve; 53, faucet; 54, sampler. Detailed implementation manners
[0024] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present utility model. Apparently, the described embodiments are some but not all of the embodiments of the present utility model. Usually, the components of the embodiments of the present utility model described and illustrated in the accompanying drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present utility model provided in the accompanying drawings is not intended to limit the scope of the present utility model claimed, but merely represents the selected embodiments of the present utility model. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts fall within the scope of protection of the present utility model.
[0025] It should be noted that: similar reference numerals and letters denote similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings. At the same time, in the description of the present utility model, the terms "first", "second", etc. are only used for distinguishing descriptions and cannot be understood as indicating or implying relative importance.
[0026] Embodiment 1
[0027] As Figure 1 、 Figure 2 and Figure 3 shown, this embodiment provides a process water system for sterile medical devices, including: a raw water tank 1, a pretreatment structure, a reverse osmosis structure, an EDI structure 36, and a pure water delivery structure. The end of the pretreatment structure is connected to the water outlet of the raw water tank 1; the water inlet of the reverse osmosis structure is connected to the water outlet of the pretreatment structure. The reverse osmosis structure is provided with a first concentrated water drain port 46 and a second concentrated water drain port 47, and the second concentrated water drain port 47 is connected to the water inlet of the raw water tank 1; the water inlet of the EDI structure 36 is connected to the water outlet of the reverse osmosis structure. The EDI structure 36 is provided with a pure water outlet and a concentrated water outlet; one end of the pure water delivery structure is connected to the pure water outlet of the EDI structure 36, and the other end of the pure water delivery structure is connected to the water usage point 43.
[0028] The process water system for sterile medical devices of the present utility model realizes continuous improvement of water quality and recycling of resources through the stable water supply of the raw water tank 1, preliminary purification of the pretreatment structure, efficient desalination of the reverse osmosis structure, deep deionization of the EDI structure 36, stable transmission of the pure water delivery structure, and precise water usage at the water usage point 43, ensuring stable supply of ultrapure water, meeting the high-standard requirements for water quality in the medical device production process, reducing the system operation cost, and enhancing the overall stability and reliability. Among them, the raw water tank 1 mainly plays a role in buffering the raw water. Unstable tap water pressure will cause unstable water flow rate and affect the filtration effect, and may also impact the pretreatment system. Therefore, the raw water tank 1 is equipped to play a role in buffering and balancing the water pressure, improving the filtration effect and reducing the damage to the pretreatment system.
[0029] Among them, a first ball valve 2, a raw water pump 3, a second ball valve 4, a low-pressure control switch 5, and a first pressure gauge 6 are sequentially arranged between the raw water tank 1 and the pretreatment structure.
[0030] The present utility model, through the configuration between the raw water tank 1 and the pretreatment structure, jointly ensures that the raw water has appropriate flow rate and pressure when entering the pretreatment stage, and at the same time provides real-time monitoring of the system water pressure and safety protection measures, enhancing the stability of the water treatment process and the flexibility of operation, and ensuring the efficient and safe operation of the entire process water system for sterile medical devices.
[0031] Among them, the pretreatment structure includes a full-automatic multi-media filter tank 7, a full-automatic activated carbon filter tank 8, a full-automatic softening filter tank 9, and a salt tank 10. The water inlet of the full-automatic multi-media filter tank 7 is connected to the water outlet of the raw water tank 1. The water inlet of the full-automatic activated carbon filter tank 8 is connected to the water outlet of the full-automatic multi-media filter tank 7. The water inlet of the full-automatic softening filter tank 9 is connected to the water outlet of the full-automatic activated carbon filter tank 8. The full-automatic softening filter tank 9 is connected to the salt tank 10. Drain ports are respectively provided on the full-automatic multi-media filter tank 7, the full-automatic activated carbon filter tank 8, and the full-automatic softening filter tank 9.
[0032] The utility model realizes the step-by-step purification and softening treatment of raw water. Suspended matters and sediment are removed through physical filtration, organic matters and peculiar smells are removed through chemical adsorption, hardness components are removed through ion exchange, and the coordinated use of the salt tank 10 ensures the persistence of the softening effect. In addition, the drain ports provided on each filter tank facilitate cleaning and waste discharge, maintaining the high efficiency and cleanliness of the system. The design of the entire structure improves the water quality, extends the service life of key components, and ensures the stable and efficient operation of the water system for sterile medical device processes.
[0033] Among them, a second pressure gauge 11, a security filter 12, a third pressure gauge 13, a first solenoid valve 14, a first high-pressure pump 15, a first manual regulating valve 16, and a fourth pressure gauge 17 are sequentially arranged between the reverse osmosis structure and the pretreatment structure.
[0034] The utility model monitors the pressure of the water after pretreatment in real time through the second pressure gauge 11. The security filter 12 further intercepts tiny particles. The third pressure gauge 13 ensures the stability of the water pressure after filtration. The first solenoid valve 14 controls the water flow. The first high-pressure pump 15 pressurizes the water to the pressure required for reverse osmosis. The first manual regulating valve 16 allows the operator to adjust the water flow according to needs to optimize the system performance. The fourth pressure gauge 17 monitors the output pressure of the high-pressure pump to ensure that the reverse osmosis process is carried out under the best conditions. The careful design and configuration of these components not only guarantee a high standard of water quality, but also enhance the flexibility and reliability of the system through precise pressure control and manual adjustment capabilities, effectively removing impurities in the water and providing stable and high-quality water for medical device manufacturing.
[0035] Among them, the reverse osmosis structure includes a first-stage reverse osmosis module 18, a first conductivity tester 19, a first flowmeter 20, a pH adjustment module 21, a second-stage high-pressure pump 22, a second manual regulating valve 23, a fifth pressure gauge 24, and a second-stage reverse osmosis module 25. The water inlet of the first-stage reverse osmosis module 18 is connected to the water outlet of the pretreatment structure. The first concentrated water drain port 46 is provided on the first-stage reverse osmosis module 18. The water outlet of the first-stage reverse osmosis structure is successively connected to the first conductivity tester 19, the first flowmeter 20, the pH adjustment module 21, the second-stage high-pressure pump 22, the second manual regulating valve 23, and the fifth pressure gauge 24. The water outlet of the fifth pressure gauge 24 is connected to the water inlet of the second-stage reverse osmosis module 25. The second concentrated water drain port 47 is provided on the second-stage reverse osmosis module 25. The second concentrated water drain port 47 on the second-stage reverse osmosis module 25 is connected to the water inlet of the original water tank 1.
[0036] The utility model consists of a first-stage reverse osmosis module 18, a first conductivity tester 19, a first flowmeter 20, a pH adjustment module 21, a second-stage high-pressure pump 22, a second manual regulating valve 23, a fifth pressure gauge 24, and a second-stage reverse osmosis module 25. The first-stage reverse osmosis module 18 receives the pretreated water and discharges the concentrated water through the first concentrated water drain port 46. Its water outlet is successively connected to the conductivity and flow monitoring devices, as well as the pH adjustment module to ensure water quality stability and chemical balance. Subsequently, the second-stage high-pressure pump 22 increases the water pressure to provide power for further purification. The second manual regulating valve 23 allows the operator to manually adjust the water flow, and the fifth pressure gauge 24 monitors the pressure to ensure that the water enters the second-stage reverse osmosis module 25 in the best state. Finally, the second concentrated water drain port 47 on the second-stage reverse osmosis module 25 returns the unpenetrated concentrated water to the original water tank 1 to achieve the recycling of resources. Through precise monitoring and adjustment, the entire structure not only ensures high water quality standards but also improves the operating efficiency and environmental protection performance of the system.
[0037] Among them, a second conductivity tester 26, a second flowmeter 27, a second solenoid valve 28, a first conveying pipeline, and a second conveying pipeline are provided between the reverse osmosis structure and the EDI structure 36. One end of the second conductivity tester 26 is connected to the water outlet of the reverse osmosis structure, the other end of the second conductivity tester 26 is connected to one end of the second flowmeter 27, the other end of the second flowmeter 27 is connected to one end of the second solenoid valve 28, and the other end of the second solenoid valve 28 is respectively connected to the first conveying pipeline and the second conveying pipeline.
[0038] In this utility model, the connection part between the reverse osmosis structure and the EDI structure 36 realizes the precise monitoring and control of water quality through the second conductivity tester 26, the second flowmeter 27, and the second solenoid valve 28. The second conductivity tester 26 monitors the conductivity of the reverse osmosis effluent to ensure the purity of the water quality. Its output end is connected to the second flowmeter 27, which measures the water flow rate to ensure that the water flows at an appropriate rate. The output end of the second flowmeter 27 is further connected to the second solenoid valve 28, which can respond quickly and control the opening or closing of the water flow according to the system requirements. Both ends of the second solenoid valve 28 are respectively connected to the first conveying pipeline and the second conveying pipeline, providing flexibility in the water flow path and allowing the system to select an appropriate conveying route according to actual needs. This design not only ensures the continuous monitoring of water quality, but also optimizes the water conveying efficiency and the treatment effect of the EDI structure 36 through the precise control of the solenoid valve, improving the intelligent level of the entire water treatment system and meeting the strict requirements for ultrapure water in medical device manufacturing.
[0039] Among them, a third manual regulating valve 29, a third flowmeter 30, and a sixth pressure gauge 31 are sequentially arranged on the first conveying pipeline, and a flow control module 32, a fourth manual regulating valve 33, a fourth flowmeter 34, and a seventh pressure gauge 35 are sequentially arranged on the second conveying pipeline.
[0040] In this utility model, the connection part between the reverse osmosis structure and the EDI structure 36 realizes the continuous monitoring and control of water quality through the second conductivity tester 26, the second flowmeter 27, and the second solenoid valve 28. The second conductivity tester 26 monitors the conductivity of the reverse osmosis effluent to ensure the purity of the water quality. Its output end is connected to the second flowmeter 27, which measures the water flow rate and ensures that the system operates at a predetermined rate. The output end of the second flowmeter 27 is further connected to the second solenoid valve 28, which can quickly control the opening and closing of the water flow according to the system requirements. Both ends of the second solenoid valve 28 are respectively connected to the first conveying pipeline and the second conveying pipeline, providing a flexible choice of water flow path and enhancing the adaptability and reliability of the system. This design not only ensures the real-time monitoring of water quality, but also optimizes the treatment effect of the EDI structure 36 through precise flow and solenoid valve control, improving the intelligent level of the entire water treatment system and meeting the high standards for ultrapure water in medical device manufacturing, where the flow control module 32 is generally set as a flow controller.
[0041] Among them, the pure water delivery structure includes a purified water tank 38, a third delivery pipeline, and a fourth delivery pipeline. The water inlet of the purified water tank 38 is connected to the pure water outlet of the EDI structure 36. The water outlet of the purified water tank 38 is connected to one end of the third delivery pipeline. The other end of the third delivery pipeline is connected to one end of the water usage point 43. A third ball valve 39, a pure water pump 40, an ultraviolet germicidal lamp 41, and a precision filter 42 are sequentially arranged on the third delivery pipeline between the water outlet of the purified water tank 38 and the water usage point 43. The other end of the water usage point 43 is connected to one end of the fourth delivery pipeline. The other end of the fourth delivery pipeline is connected to the water inlet of the purified water tank 38. An ozone disinfection module 44 and a third conductivity tester 45 are sequentially arranged on the fourth delivery pipeline between the water usage point 43 and the water inlet of the purified water tank 38.
[0042] The pure water delivery structure in this utility model is a key link in ensuring the safe and efficient delivery of pure water to the water usage point 43 in the process water system for sterile medical devices. It is composed of a purified water tank 38, a third delivery pipeline, and a fourth delivery pipeline. The water inlet of the purified water tank 38 is connected to the pure water outlet of the EDI structure 36 to ensure the continuity of pure water supply. One end of the third delivery pipeline is connected to the water outlet of the purified water tank 38, and the other end is connected to the water usage point 43. A third ball valve 39, a pure water pump 40, an ultraviolet germicidal lamp 41, and a precision filter 42 are sequentially arranged in between to control the water flow, provide pressure, disinfect, and filter out tiny particles. The other end of the water usage point 43 returns to the water inlet of the purified water tank 38 through the fourth delivery pipeline, forming a closed-loop system. An ozone disinfection module 44 and a third conductivity tester 45 are sequentially arranged on the fourth delivery pipeline to further ensure the sterility of the water quality and monitor the conductivity, meeting the high standards for ultrapure water in medical device manufacturing. This design not only improves the operating efficiency and reliability of the system but also ensures the stability and safety of the water quality through continuous monitoring and recycling.
[0043] Among them, a resistivity tester 37 is arranged between the pure water delivery structure and the EDI structure 36.
[0044] In the present utility model, a resistivity tester 37 is specifically provided at the connection part between the pure water delivery structure and the EDI structure 36. This configuration is crucial for monitoring and ensuring the purity of the water quality. The resistivity tester 37 can detect the resistivity of water in real time, which is a key indicator for measuring the purity of water quality. Because a high resistivity usually means a low ion content in the water, thus ensuring the high purity of the water. Through this monitoring device, the system can promptly detect any deviation in the water quality and take corresponding adjustment measures to maintain the purity of the water and meet the strict requirements for water quality in the medical device manufacturing process. The setting of the resistivity tester 37 not only improves the intelligent level of the system but also enhances the reliability and accuracy of the entire water treatment process.
[0045] Among them, the water usage point 43 includes a water pipe 50, a filter screen 48, a temperature tester 49, a third solenoid valve 51, a fifth manual regulating valve 52, a faucet 53, and a sampler 54. The two ends of the water pipe 50 are respectively connected to the fourth delivery pipeline. The filter screen 48, the temperature tester 49, the third solenoid valve 51, the fifth manual regulating valve 52, the faucet 53, and the sampler 54 are sequentially arranged on the water pipe 50. The temperature tester 49 is electrically connected to the third solenoid valve 51.
[0046] It can be understood that the above steps filter impurities in the water pipe 50 through the filter screen 48 to prevent the appearance of impurities during pipeline aging, and the temperature tester 49 monitors the temperature of the water flow in the water pipe 50 in real time. The temperature tester 49 is electrically connected to the third solenoid valve 51. When the preset temperature is reached, the temperature tester 49 controls the third solenoid valve 51 to open, and if the preset temperature is not reached, it is closed. In addition, in the present invention, water flow heating or cooling devices, such as water heaters or heat exchangers, etc., can also be set to control the water flow temperature. Thus, when using water for some special medical devices, the preset temperature can be directly reached. A fifth manual regulating valve 52 is also provided in the present invention to manually adjust the water flow when there are different water usage requirements. In addition, a sampler 54 is provided at the bottom of the water pipe 50 in the present invention, which can quickly achieve timed and quantitative sampling, thereby ensuring the safety of water used for medical devices.
[0047] The above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. For those skilled in the art, the present utility model can have various changes and modifications. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.
[0048] The above are only specific embodiments of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model can easily think of changes or substitutions, which should all be covered within the protection scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.
Claims
1. A sterile medical device process water system, characterized in that: include: Raw water tank (1); A pretreatment structure, the end of which is connected to the water outlet of the raw water tank (1); A reverse osmosis structure, wherein the water inlet of the reverse osmosis structure is connected to the water outlet of the pretreatment structure, the reverse osmosis structure is provided with a first concentrated water drainage outlet (46) and a second concentrated water drainage outlet (47), and the second concentrated water drainage outlet (47) is connected to the water inlet of the raw water tank (1); An EDI structure (36), wherein a water inlet of the EDI structure (36) is connected to a water outlet of the reverse osmosis structure, and a pure water outlet and a concentrated water outlet are provided on the EDI structure (36); A pure water delivery structure, one end of which is connected to the pure water outlet of the EDI structure (36), and the other end of which is connected to a water use point (43).
2. The sterile medical device process water system according to claim 1, characterized in that: A first ball valve (2), a raw water pump (3), a second ball valve (4), a low-pressure control switch (5) and a first pressure gauge (6) are sequentially arranged between the raw water tank (1) and the pretreatment structure.
3. The sterile medical device process water system according to claim 1, characterized in that: The pretreatment structure comprises a fully automatic multi-media filter tank (7), a fully automatic activated carbon filter tank (8), a fully automatic softening filter tank (9) and a salt barrel (10); the water inlet of the fully automatic multi-media filter tank (7) is connected to the water outlet of the raw water tank (1); the water inlet of the fully automatic activated carbon filter tank (8) is connected to the water outlet of the fully automatic multi-media filter tank (7); the water inlet of the fully automatic softening filter tank (9) is connected to the water outlet of the fully automatic activated carbon filter tank (8); the fully automatic softening filter tank (9) is connected to the salt barrel (10); and the fully automatic multi-media filter tank (7), the fully automatic activated carbon filter tank (8) and the fully automatic softening filter tank (9) are respectively provided with drainage outlets.
4. The sterile medical device process water system according to claim 1, characterized in that: A second pressure gauge (11), a safety filter (12), a third pressure gauge (13), a first solenoid valve (14), a first-stage high-pressure pump (15), a first manual regulating valve (16) and a fourth pressure gauge (17) are sequentially arranged between the reverse osmosis structure and the pretreatment structure.
5. The sterile medical device process water system according to claim 1, characterized in that: The reverse osmosis structure comprises a primary reverse osmosis module (18), a first conductivity tester (19), a first flow meter (20), a pH value adjustment module (21), a secondary high-pressure pump (22), a second manual regulating valve (23), a fifth pressure gauge (24) and a secondary reverse osmosis module (25); the water inlet of the primary reverse osmosis module (18) is connected to the water outlet of the pretreatment structure; the first concentrated water outlet (46) is arranged on the primary reverse osmosis module (18); the water outlet of the primary reverse osmosis module is connected to the water outlet of the pretreatment structure; It is connected to a first conductivity tester (19), a first flow meter (20), a pH value adjustment module (21), a secondary high-pressure pump (22), a second manual adjustment valve (23) and a fifth pressure gauge (24); the water outlet of the fifth pressure gauge (24) is connected to the water inlet of the secondary reverse osmosis module (25); the second concentrated water drainage outlet (47) is provided on the secondary reverse osmosis module (25); and the second concentrated water drainage outlet (47) on the secondary reverse osmosis module (25) is connected to the water inlet of the raw water tank (1).
6. The sterile medical device process water system according to claim 1, characterized in that: A second conductivity tester (26), a second flow meter (27), a second solenoid valve (28), a first delivery pipeline and a second delivery pipeline are arranged between the reverse osmosis structure and the EDI structure (36); one end of the second conductivity tester (26) is connected to the water outlet of the reverse osmosis structure; the other end of the second conductivity tester (26) is connected to one end of the second flow meter (27); the other end of the second flow meter (27) is connected to one end of the second solenoid valve (28); and the other end of the second solenoid valve (28) is respectively connected to the first delivery pipeline and the second delivery pipeline.
7. The sterile medical device process water system according to claim 6, characterized in that: The first delivery pipeline is provided with a third manual regulating valve (29), a third flow meter (30) and a sixth pressure gauge (31) in sequence, and the second delivery pipeline is provided with a flow control module (32), a fourth manual regulating valve (33), a fourth flow meter (34) and a seventh pressure gauge (35) in sequence.
8. The sterile medical device process water system according to claim 1, characterized in that: The pure water delivery structure comprises a purified water tank (38), a third delivery pipeline and a fourth delivery pipeline. The water inlet of the purified water tank (38) is connected to the pure water outlet of the EDI structure (36), the water outlet of the purified water tank (38) is connected to one end of the third delivery pipeline, the other end of the third delivery pipeline is connected to one end of the water point (43), the third delivery pipeline between the water outlet of the purified water tank (38) and the water point (43) is provided with a third ball valve (39), a pure water pump (40), an ultraviolet sterilization lamp (41) and a precision filter (42) in sequence, the other end of the water point (43) is connected to one end of the fourth delivery pipeline, the other end of the fourth delivery pipeline is connected to the water inlet of the purified water tank (38), and the fourth delivery pipeline between the water point (43) and the water inlet of the purified water tank (38) is provided with an ozone disinfection module (44) and a third conductivity tester (45) in sequence.
9. The sterile medical device process water system according to claim 8, characterized in that: A resistivity tester (37) is provided between the pure water delivery structure and the EDI structure (36).
10. The sterile medical device process water system according to claim 8, characterized in that: The water point (43) comprises a water pipe (50), a filter (48), a temperature tester (49), a third solenoid valve (51), a fifth manual regulating valve (52), a faucet (53) and a sampler (54); both ends of the water pipe (50) are respectively connected to the fourth delivery pipeline; a filter (48), a temperature tester (49), a third solenoid valve (51), a fifth manual regulating valve (52), a faucet (53) and a sampler (54) are sequentially arranged on the water pipe (50); the temperature tester (49) and the third solenoid valve (51) are electrically connected.