CN110295374A - Full-automatic high-concentrated sodium hypochlorite generating system - Google Patents
Full-automatic high-concentrated sodium hypochlorite generating system Download PDFInfo
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- CN110295374A CN110295374A CN201910484336.2A CN201910484336A CN110295374A CN 110295374 A CN110295374 A CN 110295374A CN 201910484336 A CN201910484336 A CN 201910484336A CN 110295374 A CN110295374 A CN 110295374A
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/24—Halogens or compounds thereof
- C25B1/26—Chlorine; Compounds thereof
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B15/00—Operating or servicing cells
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B15/00—Operating or servicing cells
- C25B15/02—Process control or regulation
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
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- Inorganic Chemistry (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
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Abstract
The present invention provides a kind of full-automatic high-concentrated sodium hypochlorite generating systems, including pure water unit, dissolved salt unit, electrolysis cells, pickling unit, molten alkali unit, cooling unit, absorptive unit and add unit, the pure water unit is connect with the dissolved salt unit, electrolysis cells, pickling unit, molten alkali unit, the electrolysis cells are connect with the dissolved salt unit, pickling unit, molten alkali unit, cooling unit, absorptive unit, and the absorptive unit is connect with the cooling unit；The pure water unit, dissolved salt unit, electrolysis cells, pickling unit, molten alkali unit, cooling unit, absorptive unit and add unit pass through PLC control unit control, automatically execute moisturizing, dissolved salt, flushing, pickling, circulation, electrolysis and discharging movement.The present invention can under the control of PLC fully-automatic production liquor natrii hypochloritis.
Description
Technical field
The invention belongs to Drinking Water Sanitization Technology fields, and in particular to a kind of full-automatic high-concentrated sodium hypochlorite system
System.
Background technique
It is then a kind of higher sterilization method of safety using liquor natrii hypochloritis's disinfection, although the commercially available commodity of water factory
Sodium chlorate solution is for sterilizing, but using commodity liquor natrii hypochloritis disinfection there are at high cost, pH value is high, when adding easily blocking and
The problems such as corrosion adds pump, and some areas water factory purchases liquor natrii hypochloritis's inconvenience, operational management personnel amount and level
It is limited.Therefore, it is necessary to research and develop a kind of liquor natrii hypochloritis's generating device that can be realized Automatic Control, accomplish it is easy to operate,
It is easy to maintain.
Summary of the invention
The object of the present invention is to provide a kind of full-automatic high-concentrated sodium hypochlorite generating systems, are asked with solving above-mentioned technology
Topic.
The present invention provides a kind of full-automatic high-concentrated sodium hypochlorite generating systems, including pure water unit, dissolved salt unit, electricity
It solves unit, pickling unit, molten alkali unit, cooling unit, absorptive unit and adds unit, pure water unit and dissolved salt unit, electrolysis
Unit, pickling unit, the connection of molten alkali unit, electrolysis cells and dissolved salt unit, pickling unit, molten alkali unit, cooling unit, absorption
Unit connection, absorptive unit are connect with cooling unit；
It pure water unit, dissolved salt unit, electrolysis cells, pickling unit, molten alkali unit, cooling unit, absorptive unit and adds
Unit is controlled by PLC control unit, executes moisturizing, dissolved salt, flushing, pickling, circulation, electrolysis and discharging movement automatically.
Further, pure water unit includes pure water tank, and pure water tank entrance is equipped with valve, and outlet passes through pure water pump and dissolved salt list
Member, pickling unit and the connection of molten alkali unit；
PLC control unit is used for when the water level of pure water tank is lower than middle position, and control valve is opened, Xiang Chunshui tank moisturizing,
When the water level of pure water tank is higher than high-order, controls valve closing, stop to pure water tank moisturizing；
PLC control unit is also used to when the water level of pure water tank is lower than low level, and control pure water pump stops to dissolved salt unit, acid
It washes unit and molten alkali unit supplies water；
PLC control unit is also used in electrolysis cells water shortage, stops electrolysis.
Further, dissolved salt unit includes dissolved salt tank, refined salt water pot, light salt brine tank；The import of dissolved salt tank and pure water unit connect
It connects, outlet is connect with refined salt water pot；Refined salt water pot is by adding brine pump and first filter in parallel, the second filter and electrolysis
Unit connection, electrolysis cells import are equipped with conductivity meter；Filter is connect by counter-flushing pipeline with pure water unit, backwash tube
Road is equipped with back flush valves；Light salt brine tank is connect by light salt brine circulating pump with dissolved salt tank；Light salt brine tank is connect with absorptive unit；
Light salt brine tank is connected with blower；
PLC control unit is also used to when light salt brine tank is full, and control electrolysis cells stop electrolysis；
PLC control unit is also used to control counter-flushing pipeline to first filter or the second filter is counter is cleaned, and
Set the Filter Back Washing time；
PLC control unit is also used to execute the switching action between first filter and the second filter；
PLC control unit is also used to carry out warning note when the monitored conductivity value of conductivity meter is lower than 400ms/cm.
Further, electrolysis cells include hydrogen water seal, hydrogen separator, electrolytic cell, dechlorination tower, and hydrogen water seal and hydrogen separator connect
It connects, hydrogen separator is connect with electrolytic cell, and electrolytic cell is connect with dechlorination tower；Hydrogen water seal is connected with hydrogen blower；Hydrogen separator is connected with
Pure water adds pump；Electrolytic cell is connected with salt water circulating pump and NaOH solution circulating pump；Dechlorination tower is connected with chlorine blower；
PLC control unit is also used to be in a high position in hydrogen water seal liquid level, and hydrogen separator liquid level is in a high position, absorptive unit liquid
When position is in a high position, cyclic electrolysis movement is executed.
Further, pickling unit includes dilute hydrochloric acid tank, and dilute hydrochloric acid tank is connect with pure water unit and molten alkali unit, dilute hydrochloric acid
Tank is connect by dilute hydrochloric acid metering pump and acid picking pump with electrolysis cells；Acid picking pump is connected with acid adding pipe；
PLC control unit is also used to after dilute hydrochloric acid tank is drained, and carries out water-refilling operation automatically, then carries out acid adding behaviour
Make.
Further, absorptive unit include the first absorption tower, second absorption tower, sodium hypochlorite basin, the first absorption tower with
Second absorption tower connection, the first absorption tower are connect by the first sodium hypochlorite absorption pump with cooling unit；First absorption tower passes through
Sodium hypochlorite discharging pump is connect with sodium hypochlorite basin；Second absorption tower and light salt brine tank, dechlorination tower and sodium hypochlorite basin connect
It connects；Second absorption tower is connect by the second sodium hypochlorite absorption pump with cooling unit；
PLC control unit is also used to execute the sodium hypochlorite cyclic absorption movement on the first absorption tower, second absorption tower.
Further, molten alkali unit includes third filter, alkali storage tank, and the alkali storage tank import is connect with pure water unit,
Alkali storage tank import also passes through third filter and connect with lye inlet tube；Alkali storage tank outlet passes through lye pump and electrolysis cells and suction
Receive unit connection；
PLC control unit is also used to control lye pump before electrolysis to electrolysis cells and absorptive unit automatic alkali adding.
Further, unit is added to include sodium hypochlorite basin and tank connected add pump with sodium hypochlorite storage；
PLC control unit be also used to control add pump execute sodium hypochlorite add movement.
Compared with prior art the beneficial effects of the present invention are:
(1) can under the control of PLC fully-automatic production liquor natrii hypochloritis, it is easy to operate without manually controlling.
(2) pickling unit and cooling unit are provided in system, pickling can periodically clean electrolytic cell, reduce calcium and magnesium
Influence of the ion deposition to cell performance, cooling unit may make the heat of absorptive unit to be transferred to electrolysis cells, improve and inhale
Receive the reaction efficiency of unit and the current efficiency of electrolysis cells.By the setting of the two units, reduce manually to electrolytic cell
Maintenance workload simplifies operation.
(3) automatic alarm when monitored conductivity value is lower than 400ms/cm, effective guarantee foot are realized by PLC control unit
The salt water of enough high concentrations enters electrolytic cell, avoid as brine strength it is too low caused by electrolytic cell inner membrance damage, it is ensured that electricity
Current efficiency when unit long-play is solved, electrolytic cell is reduced.
(4) due to operation and maintenance simplicity, the system particularly suitable water supply project (especially operational management personnel and level
Limited water supply project) it uses.
(5) liquor natrii hypochloritis made from system production can be used for other water supply projects of periphery and environment disinfected.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of full-automatic high-concentrated sodium hypochlorite generating system of the invention；
Fig. 2 is the structural schematic diagram of full-automatic high-concentrated sodium hypochlorite generating system pure water unit of the invention；
Fig. 3 is the structural schematic diagram of full-automatic high-concentrated sodium hypochlorite generating system dissolved salt unit of the invention；
Fig. 4 is the structural schematic diagram of full-automatic high-concentrated sodium hypochlorite generating system electrolysis cells of the invention；
Fig. 5 is the structural schematic diagram of full-automatic high-concentrated sodium hypochlorite generating system pickling unit of the invention；
Fig. 6 is the structural schematic diagram of full-automatic high-concentrated sodium hypochlorite generating system absorptive unit of the invention；
Fig. 7 is the structural schematic diagram of the molten alkali unit of full-automatic high-concentrated sodium hypochlorite generating system of the invention；
Fig. 8 is the structural schematic diagram that full-automatic high-concentrated sodium hypochlorite generating system of the invention adds unit.
Figure label:
1- pure water unit；11- pure water tank；12- valve；13- pure water pump；
2- dissolved salt unit；21- dissolved salt tank；22- refined salt water pot；23- light salt brine tank；231- blower；24- adds brine pump；25-
First filter；The second filter of 26-；27- conductivity meter；28- counter-flushing pipeline；29- light salt brine circulating pump；
3- electrolysis cells；31- hydrogen water seal；32- hydrogen blower；33- hydrogen separator；34- electrolytic cell；35- dechlorination tower；36- chlorine
Blower；37- pure water adds pump；38- salt water circulating pump；39- NaOH solution circulating pump；
4- pickling unit；41- dilute hydrochloric acid tank；42- dilute hydrochloric acid metering pump；43- acid picking pump；44- acid adding pipe；
The molten alkali unit of 5-；51- third filter；52- stores alkali tank；53- lye pump；
6- cooling unit；
7- absorptive unit；The first absorption tower 71-；72- second absorption tower；73- sodium hypochlorite basin；The first hypochlorous acid of 74-
Sodium absorption pump；75- the second sodium hypochlorite absorption pump；76- sodium hypochlorite discharging pump；
8- adds unit；81- sodium hypochlorite basin；82- adds pump.
Specific embodiment
The present invention is described in detail for each embodiment shown in reference to the accompanying drawing, but it should be stated that, these
Embodiment is not limitation of the present invention, those of ordinary skill in the art according to these embodiments made by function, method,
Or equivalent transformation or substitution in structure, all belong to the scope of protection of the present invention within.
Join shown in Fig. 1, present embodiments provides a kind of full-automatic high-concentrated sodium hypochlorite generating system, including pure water unit
1, dissolved salt unit 2, electrolysis cells 3, pickling unit 4, molten alkali unit 5, cooling unit 6, absorptive unit 7 and unit 8, pure water are added
Unit 1 is connect with dissolved salt unit 2, electrolysis cells 3, pickling unit 4, molten alkali unit 5, electrolysis cells 3 and dissolved salt unit 2, pickling
Unit 4, molten alkali unit 5, cooling unit 6, absorptive unit 7 connect, and absorptive unit 7 is connect with cooling unit 6；
Pure water unit 1, dissolved salt unit 2, electrolysis cells 3, pickling unit 4, molten alkali unit 5, cooling unit 6, absorptive unit 7
And add unit 8 and controlled by PLC control unit, it is dynamic that moisturizing, dissolved salt, flushing, pickling, circulation, electrolysis and discharging are executed automatically
Make.
By the full-automatic high-concentrated sodium hypochlorite generating system, the fully-automatic production time under the control of PLC can be realized
Sodium chlorate solution.
Join shown in Fig. 2, pure water unit 1 includes pure water tank 11, and 11 entrance of pure water tank is equipped with valve 12, and outlet passes through pure water pump
13 connect with dissolved salt unit 2, pickling unit 4 and molten alkali unit 5；
PLC control unit is used for when the water level of pure water tank 11 is lower than middle position, and control valve 12 is opened, and Xiang Chunshui tank 11 is mended
Water, when the water level of pure water tank 11 is higher than high-order, control valve 12 is closed, and is stopped to 11 moisturizing of pure water tank；
PLC control unit is also used to when the water level of pure water tank 11 is lower than low level, and control pure water pump 13 stops to dissolved salt list
Member 2, pickling unit 4 and molten alkali unit 5 supply water；
PLC control unit is also used in 3 water shortage of electrolysis cells, stops electrolysis.
Join shown in Fig. 3, dissolved salt unit 2 includes dissolved salt tank 21, refined salt water pot 22, light salt brine tank 23；21 import of dissolved salt tank with
Pure water unit 1 connects, and outlet is connect with refined salt water pot 22；Refined salt water pot 22 is by adding brine pump 24 and first filter in parallel
25, the second filter 26 is connect with electrolysis cells 3, and 3 import of electrolysis cells is equipped with conductivity meter 27；Filter passes through backwash tube
Road 28 is connect with pure water unit 1, and counter-flushing pipeline 28 is equipped with back flush valves；Light salt brine tank 23 by light salt brine circulating pump 29 with
Dissolved salt tank 21 connects；Light salt brine tank 23 is connect with absorptive unit 7；Light salt brine tank 23 is connected with blower 231；
PLC control unit is also used to when light salt brine tank 23 is full, and control electrolysis cells 3 stop electrolysis；
PLC control unit is also used to control counter-flushing pipeline 28 and carries out instead clearly to first filter 25 or the second filter 26
It washes, and sets the Filter Back Washing time；
PLC control unit is also used to execute the switching action between first filter 25 and the second filter 26；
PLC control unit is also used to carry out alarm when the monitored conductivity value of conductivity meter 27 is lower than 400ms/cm to mention
Show.
Join shown in Fig. 4, electrolysis cells 3 include hydrogen water seal 31, hydrogen separator 33, electrolytic cell 34, dechlorination tower 35, hydrogen water seal 31
It is connect with hydrogen separator 33, hydrogen separator 33 is connect with electrolytic cell 34, and electrolytic cell 33 is connect with dechlorination tower 35；Hydrogen water seal 31 connects
There is hydrogen blower 32；Hydrogen separator 33 is connected with pure water and adds pump 37；Electrolytic cell 34 is connected with salt water circulating pump 38 and lye circulation
Pump 39；Dechlorination tower 35 is connected with chlorine blower 36；
PLC control unit is also used to be in a high position in 31 liquid level of hydrogen water seal, and hydrogen separator liquid 33, in a high position, absorb single
When first 7 liquid levels are in high-order, cyclic electrolysis movement is executed.
Join shown in Fig. 5, pickling unit 4 includes that dilute hydrochloric acid tank 41, dilute hydrochloric acid tank 41 and pure water unit 1 and molten alkali unit 5 connect
It connects, dilute hydrochloric acid tank 41 is connect by dilute hydrochloric acid metering pump 42 and acid picking pump with 43 electrolysis cells 3；Acid picking pump 43 is connected with acid adding pipe
44；
PLC control unit is also used to after dilute hydrochloric acid tank 41 is drained, and carries out water-refilling operation automatically, then carries out acid adding behaviour
Make.
Join Fig. 6 shown in, absorptive unit 7 include the first absorption tower 71, second absorption tower 72, sodium hypochlorite basin 73, first
Absorption tower 71 is connect with second absorption tower 72, and the first absorption tower 71 is connected by the first sodium hypochlorite absorption pump 74 with cooling unit 6
It connects；First absorption tower 71 is connect by sodium hypochlorite discharging pump 76 with sodium hypochlorite basin 73；Second absorption tower 72 and light salt brine
Tank 23, dechlorination tower 35 and sodium hypochlorite basin 73 connect；Second absorption tower 72 passes through the second sodium hypochlorite absorption pump 75 and cooling
Unit 6 connects；
PLC control unit is also used to execute the sodium hypochlorite cyclic absorption movement on the first absorption tower 71, second absorption tower 72.
Join shown in Fig. 7, molten alkali unit 5 includes third filter 51, alkali storage tank 52,52 import of alkali storage tank and pure water unit 1
Connection, 52 import of alkali storage tank also pass through third filter 51 and connect with lye inlet tube；The outlet of alkali storage tank 52 passes through lye pump 53
It is connect with electrolysis cells 3 and absorptive unit 7；
PLC control unit is also used to control lye pump 53 before electrolysis to 7 automatic alkali adding of electrolysis cells 3 and absorptive unit.
Join shown in Fig. 8, adds that unit 8 includes sodium hypochlorite basin 81 and what is connect with sodium hypochlorite basin 81 add pump
82；
PLC control unit be also used to control add pump 82 execution sodium hypochlorite add movement.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.
Claims (8)
1. a kind of full-automatic high-concentrated sodium hypochlorite generating system, which is characterized in that including pure water unit, dissolved salt unit, electrolysis
Unit, pickling unit, molten alkali unit, cooling unit, absorptive unit and unit is added, the pure water unit and the dissolved salt list
Member, electrolysis cells, pickling unit, the connection of molten alkali unit, the electrolysis cells and the dissolved salt unit, pickling unit, molten alkali list
Member, cooling unit, absorptive unit connection, the absorptive unit are connect with the cooling unit；
It the pure water unit, dissolved salt unit, electrolysis cells, pickling unit, molten alkali unit, cooling unit, absorptive unit and adds
Unit is controlled by PLC control unit, executes moisturizing, dissolved salt, flushing, pickling, circulation, electrolysis and discharging movement automatically.
2. full-automatic high-concentrated sodium hypochlorite generating system according to claim 1, which is characterized in that the pure water unit
Including pure water tank, the pure water tank entrance is equipped with valve, and outlet passes through pure water pump and the dissolved salt unit, pickling unit and molten alkali
Unit connection；
The PLC control unit is used to the valve opening is controlled, to described pure when the water level of the pure water tank is lower than middle position
Water pot moisturizing controls the valve and closes, stop to the pure water tank moisturizing when the water level of the pure water tank is higher than high-order；
The PLC control unit is also used to control the pure water pump when the water level of the pure water tank is lower than low level and stop to institute
Dissolved salt unit, pickling unit and molten alkali unit is stated to supply water；
The PLC control unit is also used in the electrolysis cells water shortage, stops electrolysis.
3. full-automatic high-concentrated sodium hypochlorite generating system according to claim 2, which is characterized in that the dissolved salt unit
Including dissolved salt tank, refined salt water pot, light salt brine tank；The dissolved salt tank import is connect with the pure water unit, outlet and the refined salt
Water pot connection；The refined salt water pot is by adding brine pump and first filter in parallel, the second filter and the electrolysis cells
Connection, the electrolysis cells import are equipped with conductivity meter；The filter is connect by counter-flushing pipeline with the pure water unit,
The counter-flushing pipeline is equipped with back flush valves；The light salt brine tank is connect by light salt brine circulating pump with the dissolved salt tank；Institute
Light salt brine tank is stated to connect with the absorptive unit；The light salt brine tank is connected with blower；
The PLC control unit is also used to control the electrolysis cells when the light salt brine tank is full and stop electrolysis；
The PLC control unit is also used to control the counter-flushing pipeline and carries out instead to the first filter or the second filter
Cleaning, and set the Filter Back Washing time；
The PLC control unit is also used to execute the switching action between the first filter and the second filter；
The PLC control unit is also used to carry out alarm when the monitored conductivity value of the conductivity meter is lower than 400ms/cm to mention
Show.
4. full-automatic high-concentrated sodium hypochlorite generating system according to claim 3, which is characterized in that the electrolysis cells
Including hydrogen water seal, hydrogen separator, electrolytic cell, dechlorination tower, the hydrogen water seal connect with the hydrogen separator, the hydrogen separator and
The electrolytic cell connection, the electrolytic cell are connect with the dechlorination tower；The hydrogen water seal is connected with hydrogen blower；The hydrogen separator
It is connected with pure water and adds pump；The electrolytic cell is connected with salt water circulating pump and NaOH solution circulating pump；The dechlorination tower is connected with chlorine wind
Machine；
The PLC control unit is also used to be in a high position in the hydrogen water seal liquid level, and hydrogen separator liquid level is in a high position, absorbs single
When first liquid level is in high-order, cyclic electrolysis movement is executed.
5. full-automatic high-concentrated sodium hypochlorite generating system according to claim 4, which is characterized in that the pickling unit
Including dilute hydrochloric acid tank, the dilute hydrochloric acid tank is connect with the pure water unit and molten alkali unit, and the dilute hydrochloric acid tank passes through dilute hydrochloric acid
Metering pump and acid picking pump are connect with the electrolysis cells；The acid picking pump is connected with acid adding pipe；
The PLC control unit is also used to after the dilute hydrochloric acid tank is drained, and carries out water-refilling operation automatically, then carries out acid adding
Operation.
6. full-automatic high-concentrated sodium hypochlorite generating system according to claim 5, which is characterized in that the absorptive unit
Including the first absorption tower, second absorption tower, sodium hypochlorite basin, first absorption tower is connect with the second absorption tower, institute
The first absorption tower is stated to connect by the first sodium hypochlorite absorption pump with the cooling unit；First absorption tower passes through hypochlorous acid
Sodium discharging pump is connect with the sodium hypochlorite basin；The second absorption tower and the light salt brine tank, dechlorination tower and sodium hypochlorite
Basin connection；The second absorption tower is connect by the second sodium hypochlorite absorption pump with the cooling unit；
The PLC control unit is also used to execute the sodium hypochlorite cyclic absorption movement on first absorption tower, second absorption tower.
7. full-automatic high-concentrated sodium hypochlorite generating system according to claim 6, which is characterized in that the molten alkali unit
Including third filter, alkali storage tank, the alkali storage tank import is connect with the pure water unit, and the alkali storage tank import also passes through
Three filters are connect with lye inlet tube；The alkali storage tank outlet is connected by lye pump and the electrolysis cells and absorptive unit
It connects；
The PLC control unit is also used to control the lye pump and adds automatically before electrolysis to the electrolysis cells and absorptive unit
Alkali.
8. full-automatic high-concentrated sodium hypochlorite generating system according to claim 7, which is characterized in that described to add unit
Tank connected pump is added including sodium hypochlorite basin and with sodium hypochlorite storage；
The PLC control unit is also used to control the pump execution sodium hypochlorite that adds and adds movement.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115488090A (en) * | 2022-09-20 | 2022-12-20 | 大唐华银电力股份有限公司金竹山火力发电分公司 | Cleaning device and cleaning method for hydrogen production electrolytic cell |
| CN117248223A (en) * | 2023-11-17 | 2023-12-19 | 广州市豫泉净水材料有限公司 | Sodium hypochlorite generator and water purifying method |
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