CN211339127U - Automatic control production system for purified water - Google Patents
Automatic control production system for purified water Download PDFInfo
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- CN211339127U CN211339127U CN201922017559.6U CN201922017559U CN211339127U CN 211339127 U CN211339127 U CN 211339127U CN 201922017559 U CN201922017559 U CN 201922017559U CN 211339127 U CN211339127 U CN 211339127U
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Abstract
The utility model discloses a purified water automatic control production system, including preprocessing device, reverse osmosis unit, continuous electric desalination device, pure water circulating device and controlling means, reverse osmosis unit, continuous electric desalination device and pure water circulating device all are equipped with the conductivity detector, and the conductivity detector links to each other with controlling means, if the conductivity detector of a certain device detects the conductivity of water and is not conform to the requirement, then controlling means opens corresponding waste water valve, will not conform to the water discharge of requirement, until the water of the device output meets the requirements. The control device is connected with the raw water treatment and circulation device, so that the integrated control of the purified water automatic control production system is realized, the integration level of the control is improved, the front and the back of the system can be correlated, the working strength of operators is reduced, the reliability of the control is improved, and the production efficiency is improved.
Description
Technical Field
The utility model relates to a purified water production technical field, in particular to purified water automatic control production system.
Background
The automatic purified water producing system is one special apparatus for producing purified water in pharmaceutical enterprise and has the main principle of converting tap water or underground water into purified water meeting pharmacopoeia standard via multistage filtering treatment. The automatic purified water production system generally comprises a pretreatment device, a reverse osmosis device and an EDI treatment device, wherein the purified water produced by the pretreatment device, the reverse osmosis device and the EDI treatment device is stored in a water storage tank and is supplied to water utilization equipment by the water storage tank, and the used purified water circularly flows back to the water storage tank.
In the production and circulation processes of the pure water, whether the conductivity of the pure water is qualified or not needs to be detected, if the conductivity is unqualified, a valve needs to be manually opened for discharging, and the discharging valve is manually closed until the conductivity is qualified. The discharging process needs the watching of operators, is time-consuming and labor-consuming, and seriously affects the working efficiency of the operators.
Therefore, how to reduce the workload of the operator is a technical problem which needs to be solved urgently by the technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a purified water automatic control production system, its switch through controlling means control waste water valve has realized waste water discharge's automatic control, has reduced operating personnel's work burden.
In order to achieve the above object, the utility model provides a purified water automatic control production system, include:
the pretreatment device is used for removing solid impurities in water;
the inlet of the reverse osmosis device is connected with the outlet of the pretreatment device, a water production port of the reverse osmosis device is provided with a first conductivity detector for detecting conductivity, a water production valve for adjusting water production and a first waste water valve which is connected with the water production valve in parallel to discharge unqualified water, and the first conductivity detector and the first waste water valve are both connected with a control device;
the inlet of the continuous electric desalting device is connected with the water production port of the reverse osmosis device, the pure water outlet of the continuous electric desalting device is provided with a second conductivity detector for detecting conductivity, the pure water outlet is also provided with a pure water valve and a second wastewater valve which is connected with the pure water valve in parallel and used for discharging unqualified water, and the second conductivity detector and the second wastewater valve are both connected with the control device;
the pure water circulating device comprises a water storage tank and a circulating pipeline, wherein a pure water outlet is connected with the water storage tank, a third conductivity detector, an inlet valve and a third waste water valve which is connected with the inlet valve in parallel and used for discharging unqualified water are arranged in a return pipe of the circulating pipeline, and the third conductivity detector and the third waste water valve are connected with the control device.
Preferably, the reverse osmosis device comprises a first-stage reverse osmosis device, a second-stage reverse osmosis device and an intermediate water tank, wherein a water producing port of the first-stage reverse osmosis device is connected with the intermediate water tank, and an outlet of the intermediate water tank is connected with an inlet of the second-stage reverse osmosis device.
Preferably, the inlets of the first-stage reverse osmosis device and the second-stage reverse osmosis device are respectively connected with the outlets of the first-stage high-pressure pump and the second-stage high-pressure pump, the inlets of the first-stage reverse osmosis device and the second-stage reverse osmosis device are respectively provided with a first-stage pressure sensor and a second-stage pressure sensor, the first-stage pressure sensor and the second-stage pressure sensor are both connected with the control device, and the control device respectively controls the rotating speeds of the first-stage high-pressure pump and the second-stage high-pressure pump according to the inlet pressures measured by the first-stage reverse osmosis device and the second.
Preferably, concentrated water outlets of the first-stage reverse osmosis device and the second-stage reverse osmosis device are respectively provided with a concentrated water discharge valve, and the two concentrated water discharge valves are electrically connected with the control device.
Preferably, the intermediate water tank is provided with an intermediate liquid level sensor connected with the control device, and the control device can control the start and stop of the first-stage high-pressure pump and the second-stage high-pressure pump according to the liquid level of the intermediate water tank.
Preferably, the system further comprises a self-running pipeline, one end of the self-running pipeline is connected with a pure water outlet of the continuous electric desalting device, the other end of the self-running pipeline is connected with an inlet of the middle water tank, and a self-running valve connected with the control device is arranged in the self-running pipeline.
Preferably, the water storage tank includes a first water storage tank, a second water storage tank and a third water storage tank, and the circulation line includes a first circulation line, a second circulation line and a third circulation line respectively connected to the first water storage tank, the second water storage tank and the third water storage tank.
Preferably, first water storage tank, the second water storage tank with the third water storage tank all is equipped with water storage level gauge and inlet valve, and is three water storage level gauge and three the inlet valve all with controlling means links to each other.
Preferably, a heating mechanism connected with the control device and used for heating pure water is further arranged in the circulating pipeline.
Preferably, a circulating pump connected with the control device is further arranged in the circulating pipeline.
The utility model provides a purified water automatic control production system, including preprocessing device, reverse osmosis unit, continuous electric demineralizer, pure water circulating device and controlling means, preprocessing device, be used for getting rid of the solid-state impurity of aquatic, reverse osmosis unit's entry links to each other with preprocessing device's export, reverse osmosis unit's product water mouth is equipped with the first conductivity detector that is used for detecting the conductivity, be used for adjusting the product water valve of water yield and parallelly connected with the product water valve, be used for discharging the first waste water valve of unqualified water, first conductivity detector and first waste water valve all link to each other with controlling means, continuous electric demineralizer's entry links to each other with reverse osmosis unit's product water mouth, continuous electric demineralizer's pure water outlet is equipped with the second conductivity detector that is used for detecting the conductivity, pure water outlet still is equipped with the pure water valve and parallelly connected with the pure water valve, be used for discharging the second waste water valve of unqualified water, the second conductivity detector and the second waste water valve are both connected with the control device, the pure water circulating device comprises a water storage tank and a circulating pipeline, a pure water outlet is connected with the water storage tank, a third conductivity detector, a water return valve and a third waste water valve which is connected with the pure water valve in parallel and used for discharging unqualified water are arranged in a return pipe of the circulating pipeline, and the third conductivity detector and the third waste water valve are both connected with the control device.
The reverse osmosis device, the continuous electric desalting device and the pure water circulating device are all provided with conductivity detectors, the conductivity detectors are connected with the control device, if the conductivity detectors of one device detect that the conductivity of water is not satisfactory, the control device opens corresponding waste water valves to discharge the unsatisfactory water until the water produced by the device is satisfactory. The control device is connected with the raw water treatment and circulation device, so that the integrated control of the purified water automatic control production system is realized, the integration level of the control is improved, the front and the back of the system can be correlated, the working strength of operators is reduced, the reliability of the control is improved, and the production efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural view of an automatic control production system for purified water provided by the present invention;
fig. 2 is a schematic structural view of a water storage tank and a circulation line.
Wherein the reference numerals in fig. 1 and 2 are:
the system comprises a pretreatment device 1, a reverse osmosis device 2, a continuous electric desalting device 3, a pure water circulating device 4, a self-running pipeline 5, a raw water tank 11, a mechanical filter 12, an activated carbon filter 13, a primary reverse osmosis device 21, a secondary reverse osmosis device 22, an intermediate water tank 23, a primary high-pressure pump 24, a secondary high-pressure pump 25, a concentrated water discharge valve 26, a first waste water valve 27, a water production valve 28, a security filter 29, a second waste water valve 31, a pure water valve 32, a water storage tank 41, an inlet valve 42, a third waste water valve 43, a heating mechanism 44, a circulating pump 45 and a self-running valve 51.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In order to make the technical field of the present invention better understand, the present invention will be described in detail with reference to the accompanying drawings and the detailed description.
Referring to fig. 1 and fig. 2, fig. 1 is a schematic structural diagram of an automatic control production system for purified water according to the present invention; fig. 2 is a schematic structural view of a water storage tank and a circulation line.
The utility model provides a purified water automatic control production system includes preprocessing device 1, reverse osmosis unit 2, continuous electric desalination device 3 and pure water circulating device 4. The raw water such as tap water or underground water and the like is firstly subjected to solid impurities removal in the pretreatment device 1, then is pressurized and enters the reverse osmosis device 2, impurities in the raw water are removed through the reverse osmosis membrane, and then enters the continuous electric desalting device 3, ions in the raw water are removed, the conductivity of the water is reduced, and the raw water is finally converted into pure water. The produced pure water is stored in the water storage tank 41, water is supplied to each water-using device by the water storage tank 41, and the residual pure water is recycled into the water storage tank 41, so that the utilization rate of the pure water is improved, and the enterprise cost is reduced.
The pretreatment device 1 includes a raw water tank 11, a mechanical filter 12, and an activated carbon filter 13, and an outlet of the raw water tank 11 is connected to a raw water pump for pressurizing raw water. The raw water tank 11 is internally provided with a raw water level meter, the raw water level meter and the raw water pump are both connected with a control device, and the control device controls the starting and stopping of the raw water pump according to the liquid level of the raw water tank 11.
In the process of pure water production and circulation, whether each link of production and the recycled pure water meet the requirements or not is judged by measuring the conductivity of the pure water. If the raw water in the production process or the pure water in the circulation process meets the requirements, the raw water is continuously used, and if the raw water or the pure water does not meet the requirements, the raw water or the pure water is discharged. Therefore, a first conductivity detector, a second conductivity detector and a third conductivity detector for detecting conductivity are respectively arranged in the water producing port of the reverse osmosis device 2, the pure water outlet of the continuous electric demineralization device 3 and the return pipe of the pure water circulation device 4. Meanwhile, the water producing port is provided with a water producing valve 28 and a first waste water valve 27 in parallel, and the water producing valve and the first waste water valve are both connected with a control device. When the first conductivity detector detects that the water produced by the reverse osmosis device 2 is not qualified, the water production valve 28 is closed, and the first waste water valve 27 is opened for discharging until the conductivity of the water produced by the reverse osmosis device 2 is qualified. Correspondingly, a pure water valve 32 and a second waste water valve 31 are arranged in parallel at a pure water outlet of the continuous electric desalting device 3, an inlet valve 42 and a third waste water valve 43 are arranged in parallel in a circulating pipeline, the pure water valve 32, the second waste water valve 31, the inlet valve 42 and the third waste water valve 43 are all connected with a control device, and the control modes of the pure water valve 32, the second waste water valve 31, the inlet valve 42 and the third waste water valve 43 can refer to the water producing valve 28 and the first waste water valve 27, and are not described herein. The control device may be a MCU microcontroller or a PLC controller.
In the embodiment, the purified water automatic control production system is provided with the control device, the control device judges whether raw water or pure water is qualified or not according to the conductivity, if the raw water or the pure water is qualified, the raw water or the pure water is continuously used, and if the raw water or the pure water is not qualified, the waste water valve is opened for discharging. The opening and closing of the waste water valve are controlled by the control device in the discharge process, the on-site watching of operators is not needed, the labor intensity of the operators is reduced, and the automation degree of pure water production is improved. Meanwhile, the control device is connected with the raw water treatment and circulation device, so that the integrated control of the purified water automatic control production system is realized, the integration level of the control is improved, the front and the back of the system can be correlated, and the reliability of the control is improved.
Alternatively, the reverse osmosis unit 2 employs two-stage reverse osmosis. Specifically, the reverse osmosis apparatus 2 includes a primary reverse osmosis unit 21, a secondary reverse osmosis unit 22, and an intermediate water tank 23 therebetween. As shown in FIG. 1, the inlets of the first reverse osmosis device 21 and the second reverse osmosis device 22 are respectively provided with a first-stage high-pressure pump 24 and a second-stage high-pressure pump 25, the water producing port of the first reverse osmosis device 21 is connected with the intermediate water tank 23, and the outlet of the intermediate water tank 23 is connected with the inlet of the second-stage high-pressure pump 25. In addition, in order to further prevent solid particles from entering the first-stage reverse osmosis device 21 and the second-stage reverse osmosis device 22, the inlets of the first-stage high-pressure pump 24 and the second-stage high-pressure pump 25 are provided with a cartridge filter 29.
Optionally, in order to control the water inlet pressure of the first-stage reverse osmosis device 21 and the second-stage reverse osmosis device 22, inlets of the first-stage reverse osmosis device 21 and the second-stage reverse osmosis device 22 are respectively a first-stage pressure sensor and a second-stage pressure sensor, the first-stage pressure sensor and the second-stage pressure sensor are both connected with the control device, the control device is also connected with a first-stage high-pressure pump 24 and a second-stage high-pressure pump 25, and the rotating speeds of the first-stage high-pressure pump 24 and the second-stage high-pressure pump 25.
In addition, the intermediate water tank 23 is provided with an intermediate liquid level sensor, the control device is connected with the intermediate liquid level sensor and acquires the liquid level information of the intermediate water tank 23, and the first-stage high-pressure pump 24 is turned off when the liquid level of the intermediate water tank 23 is too high; when the liquid level of the intermediate water tank 23 is too low, the second-stage high-pressure pump 25 is turned off, so that the purpose of avoiding the liquid level of the intermediate water tank 23 from being too high or too low is achieved.
Furthermore, the reverse osmosis membrane needs to be washed before the reverse osmosis device is put into use, the specific process is to inject raw water into the reverse osmosis device, simultaneously open the concentrated water discharge valve 26, wash the reverse osmosis membrane after the raw water enters the reverse osmosis device, wash away impurities deposited on the reverse osmosis membrane, and discharge the impurities from the concentrated water discharge valve 26. After the flushing is carried out for a preset time, the first waste water valve 27 is opened to enable raw water to flow out from the water producing port. Specifically, the concentrated water outlets of the first-stage reverse osmosis device 21 and the second-stage reverse osmosis device 22 are respectively provided with a concentrated water discharge valve 26, and the two concentrated water discharge valves 26 are electrically connected with the control device. Taking the first-stage reverse osmosis device 21 as an example, when the first-stage reverse osmosis device 21 is started, the control device firstly closes the first waste water valve 27 and the water production valve 28 of the first-stage reverse osmosis device 21, opens the concentrated water discharge valve 26, turns down the concentrated water discharge valve 26 after a preset time period, and opens the waste water valve or the water production valve 28 according to the conductivity of the raw water in the water production port. The secondary reverse osmosis unit 22 is controlled in a manner similar to the primary reverse osmosis unit 21 and will not be described in detail herein.
Alternatively, the continuous electrodeionization device 3 typically needs to be started up simultaneously with the secondary reverse osmosis unit 22. Thus, the continuous electric desalination device 3 is also connected to the control device, and when the secondary water production valve 28 is opened, the continuous electric desalination device 3 is also activated.
Further, in order to control the pressure of the continuous electric desalting device 3, the continuous electric desalting device 3 is provided with a desalting pressure sensor, the control device is connected with the desalting pressure sensor, and the start and stop of the second-stage high-pressure pump 25 are controlled according to the pressure of the continuous electric desalting device 3.
In addition, the automatic purified water production system needs to be operated continuously to ensure the supply of purified water to each production device. When the demand of the production process for the pure water is small, the pure water production part in the automatic control production system of the purified water can ensure the self-operation through self-circulation. The automatic control production system of purified water as shown in fig. 1 comprises a self-operation pipeline 5, one end of the self-operation pipeline 5 is connected with a pure water outlet of the continuous electric desalting device 3, the other end of the self-operation pipeline 5 is connected with an inlet of the intermediate water tank 23, a self-operation valve 51 is arranged in the self-operation pipeline 5, and the self-operation valve 51 is connected with a control device. When the flow in the purified water automatic control production system is smaller than the preset flow, the automatic operation valve 51 is opened, and the pure water flows back to the intermediate water tank 23 through the automatic operation pipeline 5, so that the purified water automatic control production system is ensured to always have sufficient pure water for the production device to use.
In this embodiment, reverse osmosis unit 2 adopts two-stage reverse osmosis, can obviously improve the raw water treatment effect, has set up middle water tank 23 and from operation pipeline 5 simultaneously, guarantees that purified water automatic control production system can be in circulation operation under the condition of low output flow. And the liquid level of the middle water tank 23 and the pressure of the first-stage reverse osmosis device 21, the second-stage reverse osmosis device 22 and the continuous electric desalting device 3 are controlled by the control device, so that the pressure control is more stable.
Optionally, a circulating pump 45 and a plurality of water supply points for connecting the production device are arranged in the circulating pipeline, and the pure water is driven by the circulating pump 45 to circularly flow to supply water to the production device. The bacteria are easily bred in the circulating flow process of the pure water, the medicine quality is influenced, therefore, a heating mechanism 44 is further arranged in the circulating pipeline, and the heating mechanism 44 can heat the pure water to the preset temperature for disinfection. The preset temperature is usually 80 ℃, specifically, a temperature sensor is arranged in the circulating pipeline, the temperature sensor and the heating mechanism 44 are both connected with the control device, and when the temperature of the pure water is lower than the preset temperature, the heating mechanism 44 starts heating. The heating mechanism 44 may be embodied as a double-tube plate heat exchanger, and the control device may control the opening and closing of an inlet valve of a heat medium layer of the double-tube plate heat exchanger. Of course, the user may also use an electric heater or other type of heater as required, and is not limited herein.
When supplying water to a plurality of sets of production apparatuses, the pure water circulation apparatus 4 may be provided with a plurality of water storage tanks 41. As shown in fig. 1, the water storage tank 41 includes a first water storage tank, a second water storage tank, and a third water storage tank, and correspondingly, the circulation line includes a first circulation line, a second circulation line, and a third circulation line connected to the first water storage tank, the second water storage tank, and the third water storage tank, respectively. The continuous electric demineralizer 3 supplies pure water to the three water storage tanks 41 to ensure the use of the manufacturing apparatus. Of course, the user may also set two or more than three water storage tanks 41 according to the requirement, which is not limited herein.
In order to control the liquid levels in the three water storage tanks 41, a water storage liquid level meter and an inlet valve 42 are respectively arranged in the three water storage tanks, and the three water storage liquid level meters and the three inlet valves 42 are connected with a control device. A preset high liquid level, a preset medium liquid level and a preset low liquid level are arranged in the control device, and if the liquid level of the water storage tank 41 is lower than the preset low liquid level, the opening degree of the corresponding inlet valve 42 is increased; if the liquid level of the water storage tank 41 is higher than the preset high liquid level, the opening degree of the corresponding inlet valve 42 is decreased. If the liquid levels of the three water storage tanks 41 are all higher than the preset high liquid level, the control device controls the self-operation valve 51 to be opened, so that the pure water is self-circulated; correspondingly, the liquid levels of the three water storage tanks 41 are all lower than the preset low liquid level, and the control device controls the self-operation valve 51 to close. In addition, the circulation pump 45 is also connected to a control device, and the control device can change the rotation speed of the circulation pump 45, thereby changing the circulation amount of the pure water.
In this embodiment, the pure water circulating device 4 is provided with three water storage tanks 41, the control device is connected with the water storage level meters of the three, and the yield of the upstream pure water is controlled according to the liquid level of the water storage tank 41, so that the liquid level of the water storage tank 41 is maintained, and the pure water is supplied to the production device by the purified water automatic control production system.
It is noted that, in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.
The above is to the utility model provides a purified water automatic control production system introduces in detail. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (10)
1. An automated purified water production system, comprising:
a pretreatment device (1) for removing solid impurities from water;
the inlet of the reverse osmosis device (2) is connected with the outlet of the pretreatment device (1), a water production port of the reverse osmosis device (2) is provided with a first conductivity detector for detecting conductivity, a water production valve for adjusting water production and a first waste water valve which is connected with the water production valve in parallel and used for discharging unqualified water, and the first conductivity detector and the first waste water valve are both connected with a control device;
the inlet of the continuous electric desalting device (3) is connected with the water production port of the reverse osmosis device (2), the pure water outlet of the continuous electric desalting device (3) is provided with a second conductivity detector for detecting conductivity, the pure water outlet is also provided with a pure water valve (32) and a second waste water valve (31) which is connected with the pure water valve (32) in parallel and used for discharging unqualified water, and the second conductivity detector and the second waste water valve (31) are both connected with the control device;
pure water circulating device (4), including water storage tank (41) and circulating line, the pure water outlet with water storage tank (41) link to each other, be equipped with third conductivity detector, inlet valve (42) in circulating line's the back flow and with inlet valve (42) are parallelly connected, be used for discharging the third waste water valve (43) of unqualified water, third conductivity detector with third waste water valve (43) all with controlling means links to each other.
2. The self-controlled production system of purified water according to claim 1, wherein the reverse osmosis device (2) comprises a primary reverse osmosis unit (21), a secondary reverse osmosis unit (22) and an intermediate water tank (23), the water production port of the primary reverse osmosis unit (21) being connected to the intermediate water tank (23), the outlet of the intermediate water tank (23) being connected to the inlet of the secondary reverse osmosis unit (22).
3. The automatic control production system of purified water according to claim 2, wherein inlets of the primary reverse osmosis device (21) and the secondary reverse osmosis device (22) are respectively connected with outlets of a primary high-pressure pump (24) and a secondary high-pressure pump (25), inlets of the primary reverse osmosis device (21) and the secondary reverse osmosis device (22) are respectively provided with a primary pressure sensor and a secondary pressure sensor, the primary pressure sensor and the secondary pressure sensor are both connected with the control device, and the control device respectively controls the rotating speeds of the primary high-pressure pump (24) and the secondary high-pressure pump (25) according to the inlet pressures measured by the primary reverse osmosis device (21) and the secondary reverse osmosis device (22).
4. The self-controlled production system of purified water according to claim 3, wherein the concentrated water outlets of the primary reverse osmosis unit (21) and the secondary reverse osmosis unit (22) are provided with concentrated water discharge valves (26), both of the concentrated water discharge valves (26) being electrically connected to the control device.
5. The automatic and controlled production system of purified water according to claim 3, characterized in that said intermediate tank (23) is provided with an intermediate level sensor connected to said control device, said control device being able to control the start and stop of said first-stage high pressure pump (24) and of said second-stage high pressure pump (25) according to the level of said intermediate tank (23).
6. The automatic control production system of purified water according to any one of claims 2 to 5, further comprising a self-running pipeline (5), wherein one end of the self-running pipeline (5) is connected with the pure water outlet of the continuous electric desalting device (3), the other end of the self-running pipeline is connected with the inlet of the intermediate water tank (23), and a self-running valve (51) connected with the control device is arranged in the self-running pipeline (5).
7. The automated purified water production system according to any one of claims 1 to 5, wherein the water storage tanks (41) comprise a first water storage tank, a second water storage tank and a third water storage tank, and the circulation line comprises a first circulation line, a second circulation line and a third circulation line connected to the first water storage tank, the second water storage tank and the third water storage tank, respectively.
8. The automatic control production system of purified water according to claim 7, wherein the first water storage tank, the second water storage tank and the third water storage tank are provided with a water storage level gauge and the inlet valve (42), and three of the water storage level gauge and three of the inlet valve (42) are connected with the control device.
9. The automatic purified water production system according to claim 7, wherein a heating mechanism (44) connected to the control device for heating the purified water is further provided in the circulation line.
10. The automatic control production system of purified water according to claim 7, wherein a circulation pump (45) connected with the control device is further arranged in the circulation pipeline.
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| CN201922017559.6U CN211339127U (en) | 2019-11-20 | 2019-11-20 | Automatic control production system for purified water |
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| CN201922017559.6U CN211339127U (en) | 2019-11-20 | 2019-11-20 | Automatic control production system for purified water |
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