CN103768953A - Device and method for disinfecting RO (reverse osmosis) membrane by hot water - Google Patents
Device and method for disinfecting RO (reverse osmosis) membrane by hot water Download PDFInfo
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- CN103768953A CN103768953A CN201310754746.7A CN201310754746A CN103768953A CN 103768953 A CN103768953 A CN 103768953A CN 201310754746 A CN201310754746 A CN 201310754746A CN 103768953 A CN103768953 A CN 103768953A
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Abstract
The invention discloses a device for disinfecting an RO (reverse osmosis) membrane by hot water. The device comprises a hot water cylinder, a membrane shell provided with an RO membrane internally, and a PLC, wherein the hot water cylinder is provided with a hot water cylinder water inlet and a hot water cylinder water outlet, the membrane shell is provided with a membrane shell water inlet and a membrane shell water outlet, the hot water cylinder water inlet and the hot water cylinder water outlet are respectively correspondingly connected with the membrane shell water outlet and the membrane shell water inlet by a pipeline so as to form a water flow loop, the water flow loop is provided with a water pump and a water temperature regulating device as well as a first temperature sensor for detecting the water temperature, and the water temperature regulating device and the first temperature sensor are connected with the PLC. Water in the hot water cylinder is used for cleaning the RO membrane in the membrane shell, and the water temperature is continuously raised so as to enhance the effect of killing bacteria on the RO membrane. The PLC is used for controlling the water temperature regulating device to prevent the water temperature from exceeding the tolerant temperature of the RO membrane, the RO membrane is prevented from being damaged by high water temperature, and thus the filtering performance of the membrane shell cannot be alleviated. The service life of the membrane shell device can be greatly prolonged according to a method disclosed by the invention.
Description
Technical field
The present invention relates to a kind of chlorination equipment, especially a kind of device and method of RO film being used to disinfection with hot water.
Background technology
In counter-infiltration system, adopt conventional normal temperature reverse osmosis membrane, the easy breed bacteria of conventional normal temperature reverse osmosis membrane, while using sterilization hot water to sterilize to the bacterium growing, but can not tolerate the hot environment of sterilization hot water.The chemical disinfection method of taking has contaminated environment and the few limitation of sterilizing kind.
Generally choose at present putamina, but in putamina, have RO film, the easy breed bacteria of RO film, the putamina being therefore used in counter-infiltration system needs frequent disinfection.Because RO film is that macromolecular material rolls and forms, so its temperature to disinfection with hot water has strict demand.When water temperature rate of change exceedes 5 ℃/min, the easy excess shrinkage of RO film macromolecular material also produces RO film peeling, and RO film may be subject to Water Temperature and badly damaged, and the strainability of RO film reduces greatly, and putamina equipment disinfection performance reduces greatly.
Summary of the invention
Based on this, the invention reside in the defect that overcomes prior art, provide a kind of and can control sterilization water temperature, can extend the putamina device to RO film disinfection with hot water in service life.
Its technical scheme is as follows: a kind of device of RO film being used to disinfection with hot water, comprise hot-water cylinder and in be provided with the putamina of RO film, hot-water cylinder has hot-water cylinder water inlet and hot-water cylinder delivery port, described putamina has putamina water inlet and putamina delivery port, described hot-water cylinder delivery port, hot-water cylinder water inlet are corresponding connected with pipeline and putamina water inlet, putamina delivery port respectively, thereby form a current loop, described current loop is provided with water pump, water temperature regulation device, is provided with the first temperature sensor for detection of water temperature on described current loop; Also comprise PLC controller, described water temperature regulation device, the first temperature sensor are all connected with described PLC controller.
Below further technical scheme is described:
Preferably, described water temperature regulation device is heat exchanger, described heat exchanger has control steam and enters the vapor (steam) temperature proportioning valve of heat exchanger and control frozen water the frozen water temperature proportioning valve that enters heat exchanger, and described vapor (steam) temperature proportioning valve, frozen water temperature proportioning valve are connected with described PLC controller respectively.
Preferably, described the first temperature sensor is arranged on the inlet pipeline of putamina.
Preferably, be provided with the second temperature sensor on the outlet pipeline of described putamina, described the second temperature sensor is connected with described PLC controller.
Preferably, in described hot-water cylinder, be provided with for detection of hot-water cylinder in the liquid level sensor of water level, described liquid level sensor is connected with described PLC controller.
The present invention also provides a kind of method to RO film disinfection with hot water, comprises the steps:
Water in hot-water cylinder and current loop is heated up;
Detect the temperature in described current loop and this temperature signal is sent to described PLC controller;
Described PLC controller receives this temperature signal and this temperature and sterilising temp is compared, and in the time that the temperature receiving has reached sterilising temp, makes described water temperature regulation device and stops the order that heats up;
Described in described water temperature regulation device receives, stop heating up after order, maintain the temperature certain hour in described current loop.
Preferably, stop described in receiving at described water temperature regulation device heating up after order, also comprise step after maintaining the step of temperature certain hour in described current loop, reduce the water temperature in hot-water cylinder and current loop with water temperature regulation device.
Preferably, by the water intensification in hot-water cylinder and current loop or temperature-fall period, also comprise step,
Temperature-rise period or temperature-fall period are divided into several time periods, and corresponding each time period one is heated up or lowers the temperature the target temperature T that will reach;
Regulate described vapor (steam) temperature proportioning valve or frozen water temperature proportioning valve, water temperature is heated up or be cooled to corresponding target temperature T of each time period.
Preferably, the concrete steps in the intensification of the water in hot-water cylinder and current loop or temperature-fall period are as follows:
At least detected the temperature T of the inlet pipeline of described putamina every 1 minute simultaneously
entertemperature T with the outlet pipeline of described putamina
go out, and sending to described PLC controller, described PLC controller is the temperature T of inlet pipeline relatively
entertemperature T with outlet pipeline
go out,
If | T
enter-T
go out| <5, and | T-T
go out| <1, adds the target temperature T in temperature-rise period 2.5 degrees Celsius or the target temperature T in temperature-fall period is subtracted to 2.5 degrees Celsius automatically heat up or the target temperatures of cooling as lower 1 minute needs automatically;
If | T
enter-T
go out| <5, and | T-T
go out| >1, maintains target temperature T constant;
If | T
enter-T
go out| >5, steam off temperature proportioning valve and frozen water temperature proportioning valve.
To before the water heating step in hot-water cylinder and current loop, also comprise step described,
In described hot-water cylinder, add normal-temperature water;
Start described water pump;
Detect the temperature T of the inlet pipeline of described putamina
entertemperature T with the outlet pipeline of described putamina
go outif, | T
enter-T
go out| <5, by T
enteradd 2.5 degrees Celsius as the intensification target temperature of the 1st minute; If | T
enter-T
go out| >5, shows the first temperature sensor and the second temperature sensor fault.
Below principle, the effect etc. of aforementioned techniques scheme are described: the water in hot-water cylinder is passed in putamina, the RO film in putamina is cleaned with the water in hot-water cylinder, and constantly water temperature is raise, strengthen the bacterium effect of killing on RO film.In rising water temperature, detect whether arrive sterilising temp with the first temperature sensor, when water temperature has reached after sterilising temp, PLC controller control water temperature regulation device stops heating up, prevent that water temperature from having exceeded the tolerance water temperature of RO film, avoid RO film to be damaged the strainability of putamina is lowered by high water temperature, therefore the inventive method can extend the service life of putamina equipment greatly.
Accompanying drawing explanation
Fig. 1 is disinfection with hot water apparatus structure schematic diagram described in the embodiment of the present invention;
Fig. 2 is disinfection with hot water method flow diagram described in the embodiment of the present invention one;
Fig. 3 is disinfection with hot water method flow diagram described in the embodiment of the present invention two.
Description of reference numerals:
110, hot-water cylinder, 120, heat exchanger, 121, vapor (steam) temperature proportioning valve, 122, frozen water temperature proportioning valve, 131, the first temperature sensor, 132, the second temperature sensor, 140, putamina, 141, RO film, 150, water pump, 160, pipeline.
The specific embodiment
Below embodiments of the invention are elaborated:
As shown in Figure 1, a kind of disinfection with hot water device, comprise hot-water cylinder 110 and in be provided with the putamina 140 of RO film 141, hot-water cylinder 110 has hot-water cylinder 110 water inlets and hot-water cylinder 110 delivery ports, described putamina 140 has putamina 140 water inlets and putamina 140 delivery ports, described hot-water cylinder 110 delivery ports, hot-water cylinder 110 water inlets are used respectively pipeline 160 and putamina 140 water inlets, putamina 140 delivery ports are corresponding to be connected, thereby form a current loop, described current loop is provided with water pump 150, water temperature regulation device, on described current loop, be provided with the first temperature sensor 131 for detection of water temperature, also comprise PLC controller, described water temperature regulation device, the first temperature sensor 131 are all electrically connected with described PLC controller or by Wifi wireless connections.
Wherein, heat exchanger is known prior art, and it is mainly that the heat of hot fluid is delivered to cold fluid by medium, and the present invention does not repeat them here.Heat exchanger of the present invention is the same with the heat exchanger operation principle of prior art, only, enter on the pipeline that heat exchanger or frozen water enter into heat exchanger and be provided with vapor (steam) temperature proportioning valve 121 or frozen water temperature proportioning valve 122 at steam, heat exchanger 120 of the present invention has to be controlled steam and enters the vapor (steam) temperature proportioning valve 121 of heat exchanger 120 and control frozen water the frozen water temperature proportioning valve 122 that enters heat exchanger 120.Described vapor (steam) temperature proportioning valve 121, frozen water temperature proportioning valve 122 are electrically connected with described PLC controller respectively or by Wifi wireless connections.Water temperature regulation device of the present invention can pass through the aperture of PLC controller steam regulation temperature proportioning valve 121, jet chimney in control heat exchanger is by the heat output of medium, control the intensification situation in hot-water cylinder 110 and current loop, can regulate by PLC controller again the aperture of frozen water temperature proportioning valve 122, frozen water device for cleaning pipeline in control heat exchange is crossed the caloric receptivity of medium, controls the cooling situation in hot-water cylinder 110 and current loop.
Described the first temperature sensor 131 is arranged on the inlet pipeline of putamina 140.Temperature in the water temperature of putamina 140 inlet pipelines and hot-water cylinder 110 and current loop is more approaching, and the temperature detecting approaches the water temperature in hot-water cylinder 110 and current loop more.On the outlet pipeline of described putamina 140, be provided with the second temperature sensor 132, described the second temperature sensor 132 is electrically connected with described PLC controller or by Wifi wireless connections.By being provided with the second temperature sensor 132 on the outlet pipeline at putamina 140, so the water temperature of the outlet pipeline of putamina 140 can be detected, and for the water temperature comparison of putamina 140 inlet pipelines, judge whether coolant-temperature gage in putamina 140 synchronizes with the coolant-temperature gage in hot-water cylinder 110 and whether the first temperature sensor 131 and the second temperature sensor 132 exist fault.
In described hot-water cylinder 110, be provided with the liquid level sensor for detection of hot-water cylinder 110 interior water levels, described liquid level sensor is electrically connected with described PLC controller or by Wifi wireless connections.Detect the water level in hot-water cylinder 110 and judge the amount that adds the water in hot-water cylinder 110 by liquid level sensor.
Hot water in hot-water cylinder 110 is passed in putamina 140, RO film 141 is carried out to cleaning and sterilizing with hot water, and water temperature is raise gradually, strengthen RO film 141 Disinfection Effects.In rising water temperature, detect whether arrive sterilising temp with the first temperature sensor 131, when water temperature has reached after sterilising temp, PLC controller control water temperature regulation device stops heating up, can prevent that like this water temperature from exceeding the maximum temperature that RO film 141 can bear, avoid high water temperature to damage RO film, therefore can maintain the strainability that RO film is good.
Embodiment mono-
Fig. 2 is the realization flow figure of the embodiment of the present invention one disinfection with hot water method, and it comprises the steps:
S201, rising water temperature.
Water temperature in hot-water cylinder and current loop is raise, and the water temperature of rising is passed in putamina through current loop by hot-water cylinder, RO film is cleaned with hot water, kill the bacterium on RO film with hot water simultaneously.
S202, detects water temperature.
Adopt the first temperature sensor to detect the water temperature on putamina inlet pipeline, know the hot water temperature who enters putamina.
S203, arrives sterilising temp, stops heating up.
According to the hot water temperature in putamina that enters of knowing, control water temperature regulation device action, avoid high water temperature to damage RO film, the strainability of RO film is reduced.
Embodiment bis-
Fig. 3 is the specific implementation flow chart of the embodiment of the present invention two disinfection with hot water methods, and it comprises the steps:
S301 adds normal-temperature water in hot-water cylinder, detects T
go outwith T
enter.
Adopt the first temperature sensor and the second temperature sensor to entering the water temperature T of putamina
enterwith from putamina water temperature T out
go outgather.
S302, if | T
enter-T
go out| <5, by T
go outadd 2.5 degrees Celsius and be decided to be T.
Relatively T
enterwith T
go outbetween temperature difference.In the time that temperature difference is greater than 5 degrees Celsius, define the first temperature sensor and/or the second temperature sensor fault; In the time that temperature difference is less than 5 degrees Celsius, by T
go outadding 2.5 degrees Celsius is decided to be target temperature T and enters next step operation.
S303, the water temperature that raises in 1 minute is to target temperature T, and detection again.
By steam regulation temperature proportioning valve, the amount that control steam enters into heat exchanger makes the hot water temperature in hot-water cylinder and current loop in 1 minute, rise to the T setting, and again to putamina two ends water temperature T
enterwith T
go outdetect.
S304, if | T
enter-T
go out| <5, and | T-T
go out| T is added 2.5 degrees Celsius by <1.
T by PLC controller to detection
enter, T
go out, T compares, if T
enterwith T
go outbetween temperature difference while being greater than 5 degrees Celsius, define the first temperature sensor and/or the second temperature sensor fault, or it is too fast to heat up, now PLC controller cuts out control vapor (steam) temperature proportioning valve; If T
enterwith T
go outbetween temperature difference be less than 5 degrees Celsius, and T and T
go outbetween temperature difference while being greater than 1 degree Celsius, the target temperature T that maintains lower 1 minute is constant; If T
enterwith T
go outbetween temperature difference be less than 5 degrees Celsius, and T and T
go outbetween temperature difference while being less than 1 degree Celsius, the target temperature T that need be warming up to for lower 1 minute is added to 2.5 degrees Celsius automatically, and enters next step operation.
S305, raise water temperature to T in 1 minute, and again detected.
The operation of repeating step 303.
S306, if | T
enter-T
go out| <5, and | T-T
go out| T is automatically added 2.5 degrees Celsius by <1.
The operation of repeating step 304.
S307, raise water temperature to T in 1 minute, and again detected.
By the water temperature at duplicate detection putamina two ends, and make corresponding warming temperature.Detect in time the water temperature at putamina two ends, avoid the water temperature too fast damage that raises to fall RO film the strainability of RO film is reduced, simultaneously can find in time fault, and inform user.
S308, detects T
enterreach sterilising temp, maintain sterilising temp certain hour, T is subtracted to 2.5 degrees Celsius automatically.
When T being detected
entertemperature reach after the sterilising temp of RO film, the sterilising temp of RO film is often 90 degrees Celsius of left and right, keep target temperature constant, the temperature of controlling hot-water cylinder and current loop maintains selected sterilising temp certain hour, and the RO film in putamina is cleaned with hot water and sterilized.Sterilising temp certain hour refers to sterilizing disinfecting time used, this disinfecting time is to design according to the characteristic of RO film, after set disinfecting time reaches, target temperature T can be subtracted automatically to 2.5 degrees Celsius as new target temperature T, and enter into next step operation.
S309, reduced water temperature to T in 1 minute, and again detected.
By regulating frozen water temperature proportioning valve, the amount that control frozen water joins in heat exchanger makes water temperature in 1 minute, drop to the target temperature T setting, and again to putamina two ends water temperature T
enterwith T
go outdetect.
S310, if | T
enter-T
go out| <5, and | T-T
go out| T is subtracted 2.5 degrees Celsius by <1.
T by PLC controller to detection
enter, T
go out, T compares, if T
enterwith T
go outbetween temperature difference while being greater than 5 degrees Celsius, define the first temperature sensor and/or the second temperature sensor fault, or it is too fast to lower the temperature, now PLC controller cuts out control frozen water temperature proportioning valve; If T
enterwith T
go outbetween temperature difference be less than 5 degrees Celsius, and T and T
go outbetween temperature difference while being greater than 1 degree Celsius, the target temperature T that maintains lower 1 minute is constant; If T
enterwith T
go outbetween temperature difference be less than 5 degrees Celsius, and T and T
go outbetween temperature difference while being less than 1 degree Celsius, the target temperature T that need be cooled to for lower 1 minute is subtracted to 2.5 degrees Celsius automatically, and enters next step operation.
S311, reduced water temperature to T in 1 minute, and again detected.
Repeating step 309.By duplicate detection putamina two ends water temperature, and make corresponding cooling operation.The timely like this putamina two ends water temperature that detects, avoids water temperature to reduce too fast damage RO film RO membrane filtration characteristic is reduced, and can find in time fault simultaneously, and fault is informed to user.
S312, detects T
enterarrive normal temperature, stop cooling.
When T being detected
enterarrive after normal temperature, close frozen water temperature proportioning valve.Sterilize complete.In the embodiment of the present invention two, emphasis is to detect the water temperature changing value of every 1 minute on putamina two ends inlet pipeline and outlet pipeline in temperature-rise period and temperature-fall period, and within every 1 minute, all pass through the relatively water temperature value on putamina two ends inlet pipeline and outlet pipeline of PLC controller in this process, draw temperature approach on putamina two ends inlet pipeline and outlet pipeline and this temperature approach and 5 degrees Celsius are compared, avoid this device hot water heat up too fast or lower the temperature too fast, so that the strainability that exceedes the RO film rate of change of 5 degrees Celsius per minute can bear per minute and then have influence on RO film.Certainly, the invention is not restricted to adopt in the present embodiment per minute detection, and by 5 degrees Celsius of technical schemes as judge index, will also be understood that and comprise every two minutes or every three minutes etc. detect, then judge with 10 degrees Celsius or 15 degrees Celsius etc., simultaneously, adopt per minute carrying out in detection scheme, also be not limited to 5 degrees Celsius as judge index, this temperature is to determine according to the transformation temperature can bear per minute of the RO film in putamina, the transformation temperature per minute arranging is less than the RO film transformation temperature can bear per minute, guarantee that water temperature changes in allowed band, avoid having influence on the strainability of RO film.
The above embodiment has only expressed the specific embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (10)
1. RO film is used to the device of disinfection with hot water for one kind, it is characterized in that, comprise hot-water cylinder and in be provided with the putamina of RO film, hot-water cylinder has hot-water cylinder water inlet and hot-water cylinder delivery port, described putamina has putamina water inlet and putamina delivery port, described hot-water cylinder delivery port, hot-water cylinder water inlet are corresponding connected with pipeline and putamina water inlet, putamina delivery port respectively, thereby form a current loop, described current loop is provided with water pump, water temperature regulation device, is provided with the first temperature sensor for detection of water temperature on described current loop; Also comprise PLC controller, described water temperature regulation device, the first temperature sensor are all connected with described PLC controller.
2. the device of RO film being used to disinfection with hot water according to claim 1, it is characterized in that, described water temperature regulation device is heat exchanger, described heat exchanger has control steam and enters the vapor (steam) temperature proportioning valve of heat exchanger and control frozen water the frozen water temperature proportioning valve that enters heat exchanger, and described vapor (steam) temperature proportioning valve, frozen water temperature proportioning valve are connected with described PLC controller respectively.
3. the device of RO film being used to disinfection with hot water according to claim 1, is characterized in that, described the first temperature sensor is arranged on the inlet pipeline of putamina.
4. the device of RO film being used to disinfection with hot water according to claim 3, is characterized in that, on the outlet pipeline of described putamina, be provided with the second temperature sensor, described the second temperature sensor is connected with described PLC controller.
5. according to claim 1 the device of disinfection with hot water for RO film be is characterized in that, in described hot-water cylinder, be provided with for detection of hot-water cylinder in the liquid level sensor of water level, described liquid level sensor is connected with described PLC controller.
6. a disinfection with hot water method that adopts disinfection with hot water device as claimed in claim 1, is characterized in that, comprises the steps:
Water in hot-water cylinder and current loop is heated up;
Detect the temperature in described current loop and this temperature signal is sent to described PLC controller;
Described PLC controller receives this temperature signal and this temperature and sterilising temp is compared, and in the time that the temperature receiving has reached sterilising temp, makes described water temperature regulation device and stops the order that heats up;
Described in described water temperature regulation device receives, stop heating up after order, maintain the temperature certain hour in described current loop.
7. disinfection with hot water method according to claim 6, it is characterized in that, stop described in receiving at described water temperature regulation device heating up after order, also comprise step after maintaining the step of temperature certain hour in described current loop, reduce the water temperature in hot-water cylinder and current loop with water temperature regulation device.
8. according to the disinfection with hot water method described in claim 6 or 7, it is characterized in that, by the water intensification in hot-water cylinder and current loop or temperature-fall period, also comprise step,
Temperature-rise period or temperature-fall period are divided into several time periods, and corresponding each time period one is heated up or lowers the temperature the target temperature T that will reach;
Regulate described vapor (steam) temperature proportioning valve or frozen water temperature proportioning valve, water temperature is heated up or be cooled to corresponding target temperature T of each time period.
9. disinfection with hot water method according to claim 8, is characterized in that, the concrete steps in water intensification or temperature-fall period in hot-water cylinder and current loop are as follows:
At least detected the temperature T of the inlet pipeline of described putamina every 1 minute simultaneously
entertemperature T with the outlet pipeline of described putamina
go out, and sending to described PLC controller, described PLC controller is the temperature T of inlet pipeline relatively
entertemperature T with outlet pipeline
go out,
If | T
enter-T
go out| <5, and | T-T
go out| <1, adds the target temperature T in temperature-rise period 2.5 degrees Celsius or the target temperature T in temperature-fall period is subtracted to 2.5 degrees Celsius automatically heat up or the target temperatures of cooling as lower 1 minute needs automatically;
If | T
enter-T
go out| <5, and | T-T
go out| >1, maintains target temperature T constant;
If | T
enter-T
go out| >5, steam off temperature proportioning valve and frozen water temperature proportioning valve.
10. disinfection with hot water method according to claim 9, is characterized in that, will before the water heating step in hot-water cylinder and current loop, also comprise step described,
In described hot-water cylinder, add normal-temperature water;
Start described water pump;
Detect the temperature T of the inlet pipeline of described putamina
entertemperature T with the outlet pipeline of described putamina
go outif, | T
enter-T
go out| <5, by T
enteradd 2.5 degrees Celsius as the intensification target temperature of the 1st minute; If | T
enter-T
go out| >5, shows the first temperature sensor and the second temperature sensor fault.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310754746.7A CN103768953B (en) | 2013-12-31 | 2013-12-31 | Device and method to RO film with disinfection with hot water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310754746.7A CN103768953B (en) | 2013-12-31 | 2013-12-31 | Device and method to RO film with disinfection with hot water |
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| Publication Number | Publication Date |
|---|---|
| CN103768953A true CN103768953A (en) | 2014-05-07 |
| CN103768953B CN103768953B (en) | 2016-05-18 |
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|---|---|---|---|
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109094830A (en) * | 2018-10-23 | 2018-12-28 | 广州达意隆包装机械股份有限公司 | A kind of shielding harness and method of bottle placer distributor |
| CN117582824A (en) * | 2023-11-28 | 2024-02-23 | 武汉启诚生物技术有限公司 | Water purification equipment heat sterilization method and water purification equipment heat sterilization system |
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| CN101612411A (en) * | 2008-06-25 | 2009-12-30 | 中国科学院自动化研究所 | A kind of method for heat sterilization of membrane of reverse osmosis device for blood purification |
| CN201426859Y (en) * | 2009-04-21 | 2010-03-24 | 盛建华 | High-temperature sterilizing equipment for sterilizing water producing equipment with blood purification function |
| CN203710925U (en) * | 2013-12-31 | 2014-07-16 | 广州达意隆包装机械股份有限公司 | Device for sterilizing RO (Reverse Osmosis) membrane by using hot water |
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| CN101612411A (en) * | 2008-06-25 | 2009-12-30 | 中国科学院自动化研究所 | A kind of method for heat sterilization of membrane of reverse osmosis device for blood purification |
| CN201426859Y (en) * | 2009-04-21 | 2010-03-24 | 盛建华 | High-temperature sterilizing equipment for sterilizing water producing equipment with blood purification function |
| CN203710925U (en) * | 2013-12-31 | 2014-07-16 | 广州达意隆包装机械股份有限公司 | Device for sterilizing RO (Reverse Osmosis) membrane by using hot water |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109094830A (en) * | 2018-10-23 | 2018-12-28 | 广州达意隆包装机械股份有限公司 | A kind of shielding harness and method of bottle placer distributor |
| CN109094830B (en) * | 2018-10-23 | 2024-03-19 | 广州达意隆包装机械股份有限公司 | Shielding system and method for filling machine distributor |
| CN117582824A (en) * | 2023-11-28 | 2024-02-23 | 武汉启诚生物技术有限公司 | Water purification equipment heat sterilization method and water purification equipment heat sterilization system |
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| Publication number | Publication date |
|---|---|
| CN103768953B (en) | 2016-05-18 |
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