CN102515402B - Special pipeline-sterilization water purification system - Google Patents
Special pipeline-sterilization water purification system Download PDFInfo
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- CN102515402B CN102515402B CN201110419444.5A CN201110419444A CN102515402B CN 102515402 B CN102515402 B CN 102515402B CN 201110419444 A CN201110419444 A CN 201110419444A CN 102515402 B CN102515402 B CN 102515402B
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Abstract
The invention provides a sterilization water purification system special for medical treatment according to practical condition of dental department, which comprises a water inlet, a flowmeter, a silver-loaded stainless steel filter, a medical grade ultrafilter, an ultra-purification filtering system, a UV (ultraviolet) sterilization system, an ozone sterilization system, a gas-liquid mixer and a water outlet terminal. The sterilization water purification system is controlled by a full-automatic computer, and can carry out automatic timing pollution discharge sterilization and automatic pressure pressurization and stabilization, so as to ensure deep purification of raw water and constant water outlet pressure. Most of impurities in the water can be intercepted by the silver-loaded stainless steel filter, the medical grade ultrafilter and the ultra-purification filtering system, the intercepted impurities are washed out by timing automatic back-washing, and the UV sterilization system and the ozone sterilization system are switched on and off in a timing way, so that disinfectant water is formed as right amount of ozone is contained in the water. The bacteria content contained in pure water generated by the system fully meets aseptic medical water standards.
Description
Technical field
The present invention relates to relate to a kind of sterilization water purification system that is applied to the industries such as dental clinic, medical operating, aquaculture, food beverage industry, factory of hotel.
Background technology
The water of the dentistry water system of high speed turbine dental drill ejection, by various pathogenic microorganisms and non-pathogenic microorganism severe contamination, the bacteria content in every milliliter of undressed dentistry water sample can reach tens thousand of.The resorption of these microbe-derived dental turbine units in running up and derive from water supply.In dental treating chair inside, this bacterioid generally exists with biomembranous form, and microbial film pastes the surface that is attached to dentistry water system, and a large amount of bacteriums is concealed in film, forms the environment of bacterial growth breeding.The biomembranous various bacteria total amounts of external calculating, can reach 1,000 ten thousand floras in the dentistry water of every milliliter.Microbial film at any time by water inwall come off, and in the time that patient is treated, through dental drill ejection.Patient being implemented to when treatment, the polluted water of dental drill ejection or directly enter in patient oral cavity, or form water smoke disperse clinic, and pollute clinic air, also pollute medical worker.
Find by the water sample check to dental unit, no matter be water receiver or the water outlet of water channel, all detect a large amount of bacteriums.The clinical study that we do also confirms with dental drill water sample detection hepatitis B virus positive in dentistry water channel after the capable treatment of hepatitis B patient.In the daily medical patient of dentistry, the patient of the hepatitis B virus positive is numerous, so dentistry water is polluted by hepatitis B virus, or even the phenomenon that virus of AIDS pollutes is startling.
Fact proved that the severe contamination of dental treatment water system has not been the local problem of dental drill sterilization; the aleopation producing has become the large problem of direct harm hundreds of millions common people's health; in view of above situation, for protection extensive patients medical treatment & health, extremely urgent to the sterilization of dental water.
Summary of the invention
For solving the problems of the technologies described above, the invention provides a kind of be applied to the industries such as dental clinic, medical operating, aquaculture, food beverage industry, factory of hotel sterilization water purification system, the contained bacteria content of water purification of its generation all meets aseptic medical water supply standard completely.
The sterilization water purification system the present invention relates to, comprises the water-in 11,12 being linked in sequence, fluid level controller 13, water tank 15, maintenance valve 14, under meter 17, filtering system and UV disinfection system 32, and PLC Controlling System 5.Described filtering system comprises again the Stainless Steel Filter 20 being linked in sequence, medical grade accurate filter 23 and ultrapurification filtering system 31.Described Stainless Steel Filter 20, medical grade accurate filter 23 is also connected with a timing square impact recoil Controlling System with ultrapurification filtering system 31, is recoiled the impurity being trapped is rinsed out by timing.After described UV disinfection system 32, be divided into two branch roads, branch road is linked in sequence ceramic element 6 and ultraprecise strainer 7 to tap water terminal interface 10; Another branch road gas liquid mixer 24 that is linked in sequence, ozonizer 35 and air cycle disinfection system 2 are to aseptic water terminal 29.Described ozonizer 35 also connects a pure water tank 37 that is provided with pure water liquid level alarm 38 and pure water filler 36.Described sterilization water purification system is full-automatic computer control, carries out the timing blowdown sterilization of automatic timing switch equipment and Automatic-boosting voltage stabilizing, guarantees deep purifying and the constant discharge pressure of former water.
Described PLC Controlling System also comprises multiple pressure controllers, between described under meter 17 and Stainless Steel Filter 20, be connected the first pressure controller 18, between described UV disinfection system 32 and ceramic element 6, be connected the second pressure controller 34, between described ultraprecise strainer 7 and the 4th valve control system 9, be connected the 3rd pressure controller 8, described gas liquid mixer 24 by water flow pressure switch 25 according to Inlet and outlet water terminal pressure and Flow-rate adjustment so that stable hydraulic pressure to be provided.
Described PLC Controlling System comprises multiple time controllers, described year silver-colored Stainless Steel Filter 20, medical grade accurate filter 23 is all connected an automatic blowdown valve and a time controller with ultrapurification filtering system 31, described UV disinfection system 32 is connected another time controller with ozonizer 35, and ducted purifying waste water carried out to automatic continuous ground or timing sterilization.
Described gas liquid mixer 24 is selected mechanical dynamic gas-liquid mixed system, and described Stainless Steel Filter 20 is selected and carried silver-colored Stainless Steel Filter, and described ozonizer 35 adopts electrolysis ozone generation systems.
Described tap water terminal interface 10 and aseptic water terminal 29 are controlled respectively the switch in water route by the 4th valve control system 9 and the 3rd valve control system 30.
Described sterilization water purification system also comprises accident water leakage alarm and the blowdown system 21 that leaks, the unforeseen circumstances that leaks once equipment has an accident, accident water leakage alarm and the blowdown system 21 that leaks can send guard signal and in time fault water be discharged to water drain, avoid the immersion of other equipment around to damage and repair in time.
On described air cycle disinfection system 2, be provided with sterilizing air expansion interface 3,4, can drive 200 square metres space air sterilization.
Described sterilization water purification system is provided with the equipment disinfection terminal thief hole 28 of holding concurrently, for the sterilization and disinfection of other assistive devices, also can serve as the thief hole of real time sample monitoring, by with the contrast of aseptic water terminal sampling, judge which place existing problem in pipe network, be convenient to safeguard.
Adopt sterilization water purification system to carry out the processing method of dentistry sterilization water purification, it is characterized in that,
First, the control computer PLC of described sterilization water purification system is arranged, select suitable pressure, the parameter setting of time;
Secondly, described sterilization water purification system is directly connected on the pipeline of municipal tap water, tap water enters system by the first water-in 11, or without tap water in the situation that by the second water-in 12 artificial or automatic powder adding water, by under meter 17, water consumption is added up;
By Stainless Steel Filter 20, impurity larger particle is held back, pass through again the further elimination impurity of medical grade accurate filter 23, water after twice filtration is greater than the impurity of 0.02 micron by ultrapurification system 31 by diameter and all holds back, according to the time parameter timing automatic recoil arranging, the impurity being trapped is rinsed out, to guarantee to carry silver-colored Stainless Steel Filter 20, the permanent of medical grade accurate filter 23 and ultrapurification system 31 effectively used, and the impurity rinsing out is discharged by automatic blowdown valve;
Regulate mechanical dynamic gas-liquid mixed system 24 according to the pressure parameter arranging and former water pressure, to provide stable hydraulic pressure to prevent terminal user to cause detrimentally affect;
In the time not using described sterilization water purification system for a long time, time switch machinery dynamic gas liquid mixing system 24 and ozonizer 35, kill follow-up derivative bacterium, and making to contain appropriate ozone in water becomes sterilized water;
Finally, from second valve accelerator control system 27 and the 3rd valve control system 30 flow out can be used for meeting dental operation and other field requirement medical water purification.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of special pipeline-sterilization water purification system of the present invention.
Embodiment
As shown in Figure 1, this sterilization water purification system comprises the water-in 11,12 being linked in sequence, fluid level controller 13, water tank 15, maintenance valve 14, under meter 17, the first pressure controller 18, carry silver-colored Stainless Steel Filter 20, the first magnetic valves 19, medical grade accurate filter 23, the second magnetic valve 22, ultrapurification filtering system 31, UV disinfection system 32 and the second pressure controller 34, described water tank 15 bottoms are provided with soil cleaning port 16.Bifurcation road after the second pressure controller 34, the one: ceramic element 6, ultraprecise strainer 7, the three pressure controller 8, the four valve control systems 9, tap water terminal interface 10; The 2nd: vacuum breaker 33, mechanical dynamic gas-liquid mixed system 24 feed-water ends, mechanical dynamic gas-liquid mixed system 24 inlet ends, ozonizer 35, mechanical dynamic gas-liquid mixed system 24 output terminals, water flow pressure switch 25, the first valve control system 26, second valve accelerator control system 27, the three valve control systems 30, the equipment disinfection terminal thief hole 28 of holding concurrently, aseptic water terminal 29 and PLC Controlling System 5.Described ozonizer 35 also connects a pure water tank 37 that is provided with pure water liquid level alarm 38 and pure water filler 36.Described sterilization water purification system outside is provided with operation display panel 1, and bottom is provided with accident water leakage alarm and the blowdown system 21 that leaks.
Carry silver-colored Stainless Steel Filter 20 and connect an automatic blowdown valve and a time controlled system, recoil the impurity filtering out is rinsed out by timing automatic.At under meter 17 and carry between silver-colored Stainless Steel Filter 20, between UV disinfection system 32 and ceramic element 6, between ultraprecise strainer 7 and the 4th valve control system 9 and between mechanical dynamic gas-liquid mixed system 24 and the first valve control system 1 respectively by first in PLC Controlling System 5, the second, the three pressure controller 18,34,8 and water flow pressure switch 25 are controlled.UV disinfection system 32 connects a time controller, and ducted purifying waste water carried out to automatic continuous ground or timing sterilization.Ozonizer 35 connects another time controller, and ducted purifying waste water carried out to automatic continuous ground or timing sterilization.
Sterilization water purification system is full-automatic computer control, carries out self-timing blowdown sterilization and automatically according to Inlet and outlet water terminal pressure and flow supercharging voltage stabilizing, guarantees deep purifying and the constant discharge pressure of former water.Ozone and secondary product hydroxyl oxygen thereof have the strongest bactericidal properties and the effect of inactivation of viruses, can effectively prevent spreading of bacterium and virus, experiment showed, the ozone kill bacteria of same concentration and viral effect be chlorine 600-3000 doubly.Ozone is internationally recognized environment-friendly sterilant, can not cause any secondary pollution to environment.Ozone is the strongest oxygenant, the effectively corrosion matter in water of decomposition, and the Fe and Mn in oxidizing water, the small organism of scattered beam in water of decomposition, thus greatly improve the clarity of water.Ozone is neutral substance, can not cause the change of the pH value of water, can not make people not feel well, and without adding alkalescence or acidic substance to be neutralized, easy to operate, reliability is strong.
This sterilization water purification system is connected on the pipeline of municipal tap water, tap water enters system by water-in 11, under meter 17 is added up water consumption, by carrying silver-colored Stainless Steel Filter 20, the larger impurity (silt iron rust etc.) of part particle is trapped, recoil impurity is rinsed out by timing automatic, to guarantee to carry the permanent use of silver-colored Stainless Steel Filter 20.Through the water of coarse filter, further filter and remove impurity again by medical grade accurate filter 23, can not stopped up corrosion by impurity by securing system pipeline, also for bacterium procreation reduces hotbed.Water after secondary filtration is greater than the minute impurities of 0.02 micron by ultrapurification filtering system 31 by diameter again and holds back, timing automatic recoil rinses out the impurity being trapped, after three-stage filtration, completely filtering is greater than impurity, suspended substance, fibrous magnesium silicate, intestinal bacteria, hepatitis A virus, Legionella pneumophila, the vibrio cholerae and more than 50 of 0.02 micron and plants volatile organic compounds, and substantially free of impurities is without bacterium.But in the time that external equipment does not intermittently use native system for a long time, water purification in pipeline is possibility breed bacteria still, by time switch UV disinfection system 32, ozonizer 35, make to contain appropriate ozone in water and become sterilized water, allow the sterilized water pipeline of flowing through can make follow-up derivative bacterium kill by the use of external equipment terminal, keep the aseptic of pipeline.Dental water, medicinal water etc. all need stable hydraulic pressure, and native system has the mechanical dynamic gas-liquid mixed system 24 by water flow pressure on-off control, can provide stable hydraulic pressure according to turnover hydraulic pressure and flow control valve.Prevent when hydraulic pressure is low terminal user to cause detrimentally affect.
After the installation of this sterilization water purification system, by observing various data setting programs in operation display panel 1, control the operation of whole system by PLC Controlling System 5, fluid level controller 13 passes through to detect the switch of water level control the first water-in 11 in water tank 15, thereby keeps there are enough water supplies in water tank 15.
One, in the time opening the 4th valve control system 9 from tap water terminal interface 10 water receiving, the 3rd pressure controller 8 detects that pressure reduction is by starting UV disinfection system 32, current in water tank 15 are through maintenance valve 14, under meter 17, the first pressure controller 18, carry silver-colored Stainless Steel Filter 20, medical grade accurate filter 23, ultrapurification filtering system 31, UV disinfection system 32 and the second pressure controller 34, ceramic element 6, ultraprecise strainer 7, the 3rd pressure controller 8, the four valve control systems 9, arrive sterile water terminal interface 10;
Two, hold concurrently thief hole 28 when fetching water or opening the 3rd valve control system 30 and fetch water from aseptic water terminal 29 when opening second valve accelerator control system 27 slave units sterilizations terminals, water flow pressure switch 25 detects the flow velocity in pipe network, start UV disinfection system 32 by PLC Controlling System 5, ozonizer 35, mechanical dynamic gas-liquid mixed system 24, current in water tank 15 are through maintenance valve 14, under meter 17, the first pressure controller 18, carry silver-colored Stainless Steel Filter 20, medical grade accurate filter 23, ultrapurification filtering system 31, UV disinfection system 32, the second pressure controller 34, vacuum breaker 33, mechanical dynamic gas-liquid mixed system 24, water flow pressure switch 25, the first valve control system 26, second valve accelerator control system 27, the 3rd valve control system 30, arrive equipment disinfection terminal hold concurrently thief hole 28 and aseptic water terminal 29,
Three, when in pure water tank 37 when lack of water, pure water liquid level alarm 38 alarms are continuous water from pure water filler 36;
Four, when second valve accelerator control system 27, the 3rd valve control system 30, when the 4th valve control system 9 is all closed, 5 of PLC Controlling System are closed UV disinfection system 32, ozonizer 35, mechanical dynamic gas-liquid mixed system 24, and time opening the first magnetic valve 19, the cleaning function of the second magnetic valve 22 and ultrapurification filtering system 31, to carry silver-colored Stainless Steel Filter 20, the impurity of holding back in medical grade accurate filter 23 and ultrapurification filtering system 31 rinses out, improve equipment life and filter effect, while maintenance, also can pass through soil cleaning port 16 fixed time cleaning water tanks 15,
Five, while normally use, maintenance valve 14, the first valve control system 26 is normally open, in the time that system need be safeguarded, close maintenance valve 14 and the first valve control system 26, then safeguard, if once have water to spill or the equipment unforeseen circumstances that leaks that has an accident, accident water leakage alarm and the blowdown system 21 that leaks can send guard signal and in time fault water be discharged to water drain, avoid the immersion of other equipment around to damage and repair in time;
Six, this sterilization water purification system is also provided with sterilizing air extended functionality, by ozonizer 35, air cycle disinfection system 2 expansion interfaces 3 and 4 can drive 200 square metres space air sterilization.
This sterilization water purification system, by carrying silver-colored Stainless Steel Filter+medical grade accurate filter+ultrapurification filtering system+UV disinfection system+ozonizer+mechanical dynamic gas-liquid mixed system+Controlling System, can provide the medical water purification of 1000 ls/h.This system is full-automatic computer control, can timing automatic flushing pollution discharge.In view of preventing the equipment operation high temperature damage tooth of grinding one's teeth in sleep, dental water needs stable pressure, and product adopts pressure-controlling supercharging voltage-stabilizing system, and the medical water purification of constant pressure is provided.
Described year silver-colored Stainless Steel Filter can filter diameter and be greater than the impurity such as the silt iron rust of 10 microns.Described medical grade accurate filter can filter silt that diameter is greater than 0.2 micron, iron rust, granule foreign, colloid, germ, spore, sporangiocyst etc.Described ultrapurification filtering system is made up of two groups of ultra-filtration membrane module and master control systems that comprise billions of 0.02 micron of micropore, can full-automatic back washing and square impact wash clean cycle, the total treatment capacity of Shou is greater than 5000m
3, the life-span is 6-10 times of common machines, can use 8-10.Filtering function: viral > 99.99%, bacterium > 99.99%, cyst bacterium > 99.95%.Described ultraprecise strainer imported with original packaging, the volatile organic matters such as active adsorption chlorine residue.
Native system major function is sterilization and disinfection, purification, supercharging voltage stabilizing, has following advantage:
1. full automatic control
2. all devices, pipeline, water terminal timing sterilization
3. pair source water carries out deep purifying, removes the pollutents harmful to equipment such as silt iron rust colloidal impurity
4. system has supercharging voltage stabilizing function, in the time that source water pressure is unstable, can automatically regulate, and keeps constant discharge pressure.
Table 1: device inventory
Claims (8)
1. a sterilization water purification system, it is characterized in that, described sterilization water purification system comprises the water-in (11,12), fluid level controller (13), water tank (15), maintenance valve (14), under meter (17), filtering system and the UV disinfection system (32) that are linked in sequence, and PLC Controlling System (5); Described filtering system comprises again year silver-colored Stainless Steel Filter (20) being linked in sequence, medical grade accurate filter (23) and ultrapurification filtering system (31), the impurity that diameter is greater than to 0.02 micron is held back, described year silver-colored Stainless Steel Filter (20), medical grade accurate filter (23) is also connected with a timing square impact recoil Controlling System with ultrapurification filtering system (31), is recoiled the impurity being trapped is rinsed out by timing; After described UV disinfection system (32), be divided into two branch roads, branch road is linked in sequence ceramic element (6) and ultraprecise strainer (7) to tap water terminal interface (10), another branch road is linked in sequence mechanical dynamic gas-liquid mixed system (24) to aseptic water terminal (29), and ozonizer (35) is connected in described mechanical dynamic gas-liquid mixed system (24); Described ozonizer (35) adopts electrolysis ozone generation systems, and described ozonizer (35) also connects a pure water tank (37) that is provided with pure water liquid level alarm (38) and pure water filler (36); Air cycle disinfection system (2) is connected with ozonizer; Described sterilization water purification system is full-automatic computer control, carries out the timing blowdown sterilization of automatic timing switch equipment and Automatic-boosting voltage stabilizing, guarantees deep purifying and the constant discharge pressure of former water.
2. sterilization water purification system as claimed in claim 1, it is characterized in that, described PLC Controlling System comprises multiple pressure controllers, described under meter (17) is connected the first pressure controller (18) with carrying between silver-colored Stainless Steel Filter (20), between described UV disinfection system (32) and ceramic element (6), be connected the second pressure controller (34), the 3rd pressure controller (8) and the 4th valve control system (9) are linked in sequence between described ultraprecise strainer (7) and tap water terminal interface (10), water flow pressure switch (25) is linked in sequence after described mechanical dynamic gas-liquid mixed system (24), the first valve control system (26) and the 3rd valve control system (30) are to aseptic water terminal (29), described mechanical dynamic gas-liquid mixed system by water flow pressure switch (25) according to Inlet and outlet water terminal pressure and Flow-rate adjustment so that stable hydraulic pressure to be provided, described tap water terminal interface (10) and aseptic water terminal (29) are controlled respectively the switch in water route by the 4th valve control system (9) and the 3rd valve control system (30).
3. sterilization water purification system as claimed in claim 2, it is characterized in that, described PLC Controlling System comprises multiple time controllers, described year silver-colored Stainless Steel Filter (20), medical grade accurate filter (23) is all connected an automatic blowdown valve and a time controller with ultrapurification filtering system (31), described UV disinfection system (32) connects a time controller, ozonizer (35) connects another time controller, and ducted purifying waste water carried out to automatic continuous ground or timing sterilization.
4. sterilization water purification system as claimed in claim 1, it is characterized in that, also comprise accident water leakage alarm and the blowdown system that leaks (21), the unforeseen circumstances that leaks once equipment has an accident, accident water leakage alarm and the blowdown system that leaks (21) can send guard signal and in time fault water be discharged to water drain, avoid the immersion of other equipment around to damage and repair in time.
5. sterilization water purification system as claimed in claim 1, is characterized in that, is provided with sterilizing air expansion interface (3,4) on described air cycle disinfection system (2), drives the space air sterilization of 200 square metres.
6. sterilization water purification system as claimed in claim 3, is characterized in that, water tank (15) is provided with the second water-in (12), for the surgical equipment in the environment without tap water provides other water source.
7. sterilization water purification system as claimed in claim 6, it is characterized in that, water flow pressure switch (25) is linked in sequence after described mechanical dynamic gas-liquid mixed system (24), the first valve control system (26), second valve accelerator control system (27) to the equipment disinfection terminal thief hole (28) of holding concurrently, for the sterilization and disinfection of other assistive devices, also can serve as the thief hole of real time sample monitoring, by with the contrast of aseptic water terminal sampling, judge which place existing problem in pipe network, be convenient to safeguard, the equipment disinfection terminal thief hole (28) of holding concurrently is controlled the switch in water route by second valve accelerator control system (27).
8. adopt sterilization water purification system as claimed in claim 7 to carry out the processing method of dentistry sterilization water purification, it is characterized in that,
First, the control computer PLC Controlling System of described sterilization water purification system is arranged, select suitable pressure, the parameter setting of time;
Secondly, described sterilization water purification system is directly connected on the pipeline of municipal tap water, tap water enters system by the first water-in (11), or without tap water in the situation that by the second water-in (12) artificial or automatic powder adding water, by under meter (17), water consumption is added up;
By carrying silver-colored Stainless Steel Filter (20), impurity larger particle is held back, pass through again further elimination impurity of medical grade accurate filter (23), water after twice filtration is greater than the impurity of 0.02 micron by ultrapurification filtering system (31) by diameter and all holds back, according to the time parameter timing automatic recoil arranging, the impurity being trapped is rinsed out, to guarantee to carry silver-colored Stainless Steel Filter (20), the permanent of medical grade accurate filter (23) and ultrapurification filtering system (31) effectively used, the impurity rinsing out is discharged by automatic blowdown valve,
Regulate mechanical dynamic gas-liquid mixed system (24) according to the pressure parameter arranging and former water pressure, to provide stable hydraulic pressure to prevent terminal user to cause detrimentally affect;
In the time not using described sterilization water purification system for a long time, time switch machinery dynamic gas liquid mixing system (24) and ozonizer (35), kill follow-up derivative bacterium, and making to contain appropriate ozone in water becomes sterilized water;
Finally, flow out from second valve accelerator control system (27) and the 3rd valve control system (30) the medical water purification that can be used for meeting dental operation and other field requirement.
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| CN201110419444.5A CN102515402B (en) | 2011-12-15 | 2011-12-15 | Special pipeline-sterilization water purification system |
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| CN201110419444.5A CN102515402B (en) | 2011-12-15 | 2011-12-15 | Special pipeline-sterilization water purification system |
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| CN102515402B true CN102515402B (en) | 2014-06-25 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104961283B (en) * | 2015-07-08 | 2017-03-08 | 张璐华 | A kind of disinfection unit of tap water |
| CN104986882B (en) * | 2015-07-08 | 2017-01-04 | 张伟飞 | Household water purifier |
| CN107265554A (en) * | 2016-04-20 | 2017-10-20 | 贺苏国际贸易（上海）有限公司 | A kind of water route sterilizer |
| CN108218041A (en) * | 2018-02-01 | 2018-06-29 | 广州粤禹环保科技有限公司 | A kind of medical clinic sewage disposal cleaning system and its control method |
| CN112744970A (en) * | 2021-01-25 | 2021-05-04 | 清华大学 | Integrated drinking water disinfection equipment |
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| US5158454A (en) * | 1989-11-11 | 1992-10-27 | Dr. J. Hansler Gmbh | Dental unit |
| CN2677368Y (en) * | 2003-12-30 | 2005-02-09 | 王世汶 | Sterilizing device for dentistry water system |
| CN101851035A (en) * | 2009-04-03 | 2010-10-06 | 杭州司迈特水处理工程有限公司 | Automatic cleaning and water purifying device |
| CN202542991U (en) * | 2011-12-15 | 2012-11-21 | 青岛澳德龙电子科技有限公司 | Sterilizing and water purifying system for professional pipeline |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4246101A (en) * | 1978-12-28 | 1981-01-20 | Pure Cycle Corporation | Water recycling system |
| US5158454A (en) * | 1989-11-11 | 1992-10-27 | Dr. J. Hansler Gmbh | Dental unit |
| CN2677368Y (en) * | 2003-12-30 | 2005-02-09 | 王世汶 | Sterilizing device for dentistry water system |
| CN101851035A (en) * | 2009-04-03 | 2010-10-06 | 杭州司迈特水处理工程有限公司 | Automatic cleaning and water purifying device |
| CN202542991U (en) * | 2011-12-15 | 2012-11-21 | 青岛澳德龙电子科技有限公司 | Sterilizing and water purifying system for professional pipeline |
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