CN213977904U - Electrolytic sodium hypochlorite generator system - Google Patents

Electrolytic sodium hypochlorite generator system Download PDF

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CN213977904U
CN213977904U CN202023166150.XU CN202023166150U CN213977904U CN 213977904 U CN213977904 U CN 213977904U CN 202023166150 U CN202023166150 U CN 202023166150U CN 213977904 U CN213977904 U CN 213977904U
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water
sodium hypochlorite
tank
pump
electrolytic
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高宇康
陆隽鹤
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Shanghai Fuwan Environmental Protection Equipment Technology Co ltd
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Shanghai Fuwan Environmental Protection Equipment Technology Co ltd
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Abstract

The utility model discloses an electrolytic sodium hypochlorite generator system, which belongs to the technical field of water treatment sterilization and disinfection. Comprises a water inlet pipe, a water softener, a buffer water tank, a salt dissolving tank, a soft water pump, a brine pump, a static mixer, an electrolytic tank, a sodium hypochlorite storage tank, a feeding pump, a hydrogen discharge device, a rectifier and a control box. By the utility model, the soft water pump, the brine pump, the static mixer, the pipeline and the related valves form a mixing and proportioning system, so that the accuracy of brine proportioning and the stability of the concentration of produced liquid are ensured; the double-hydrogen-discharging system is composed of the hydrogen-discharging fan, the Venturi ejector and the pipeline, and is thorough in hydrogen discharging, safe and reliable.

Description

Electrolytic sodium hypochlorite generator system
Technical Field
The utility model relates to an electrolytic sodium hypochlorite generator system, which belongs to the technical field of water treatment sterilization and disinfection.
Background
With the development of social science and technology and the improvement of living standard, people pay more and more attention to human health, and pay more and more attention to the disinfection work of drinking water, domestic sewage, swimming pools, food processing factory environment, food materials and tableware in eating houses and public dining halls. The prior art mainly comprises two methods, namely a chemical washing and disinfecting method and an ozone sterilizing and disinfecting method. The chemical washing and disinfecting method has the problems of high cost, harm caused by residual medicines after use and the like, so that food processing factories, eating houses, public dining halls, large-scale restaurants, hotels and the like can not take thorough sterilization and disinfection measures, and the risk of causing group food poisoning is caused.
The ozone sterilization and disinfection method usually causes residual ozone which has various damages to human bodies, not only aggravates the aging process of the human bodies, but also causes a series of diseases, such as arteriosclerosis, induces tumorigenesis, causes platelet aggregation to cause cerebral thrombosis and myocardial infarction, causes organ ischemia, senile dementia, cataract, diabetes, anaphylaxis, immunity decline, Parkinson's disease and the like, and the residual ozone is a chronic weapon for killing people. In addition, the chlorine gas is often reacted with urea and organic matters to generate harmful substances such as ammonia chloride, trihalomethane and the like while killing bacteria, and possibly causes canceration of the lung, the liver and the central nervous system of a human body.
Sodium hypochlorite is a strong oxidant and disinfectant, which is generated by diaphragm-free electrolysis of a dilute solution of industrial salt or seawater, which is widely available and inexpensive. The sodium hypochlorite generator is used for sending dilute brine to an electrolytic cell to electrolyze the brine to form hydrogen and sodium hypochlorite solution; the salt water used by the sodium hypochlorite generator is prepared by putting salt into a salt box, injecting clear water into the salt box to form saturated salt water, and preparing the saturated salt water and softened water into 3% dilute salt water for an electrolytic bath.
However, the traditional sodium hypochlorite generator is inconvenient to use, excessive impurities exist in the brine, the impurities enter the electrolytic cell to influence normal electrolysis, the proportioning precision of the brine and soft water is low, the production efficiency of sodium hypochlorite solution is low, the concentration of produced liquid is unstable, and hydrogen generated by electrolysis cannot be timely discharged, so that potential safety hazards exist.
Disclosure of Invention
In order to solve the defects of the prior art, the utility model provides an electrolytic sodium hypochlorite generator system has solved that traditional sodium hypochlorite generator uses inconveniently, and the potential safety hazard is big, and the salt solution soft water ratio is inhomogeneous, has too much impurity in the salt solution, influences normal electrolysis, leads to sodium hypochlorite solution production efficiency low, the unstable technical problem of concentration.
The utility model discloses the technical problem that will solve takes following technical scheme to realize:
an electrolytic sodium hypochlorite generator system comprises a water inlet pipe, a water softener, a buffer water tank, a salt dissolving tank, a soft water pump, a brine pump, a static mixer, an electrolytic cell, a sodium hypochlorite storage tank, a feeding pump, a hydrogen discharging device, a rectifier and a control box;
the water inlet pipe is connected with a water softener, the water outlet end of the water softener is connected to the water inlet end of a buffer water tank through a pipeline, the water outlet end of the water softener is connected to the water inlet end of a salt dissolving tank through another pipeline, the water outlet end of the buffer water tank is connected with a soft water pump, the water outlet end of the salt dissolving tank is connected with a brine pump, the water outlet ends of the soft water pump and the brine pump are both connected to the water inlet end of a static mixer, the water outlet end of the static mixer is connected to the water inlet end of an electrolytic cell, the electrolytic cell is electrically connected with a rectifier, the water outlet end of the electrolytic cell is connected to a sodium hypochlorite storage tank through a pipeline, the water outlet end of the electrolytic cell is connected to a hydrogen discharge device through another pipeline, and the water outlet end of the sodium hypochlorite storage tank is connected with a feeding pump;
the water softener, the buffer water tank, the salt dissolving tank, the soft water pump, the brine pump, the static mixer, the electrolytic cell, the sodium hypochlorite storage tank, the feeding pump, the hydrogen discharging device and the rectifier are all electrically connected with the control system in the control box.
As preferred example, the exhaust hydrogen device comprises exhaust hydrogen fan and venturi ejector, exhaust hydrogen fan is connected to the sodium hypochlorite storage tank, the venturi ejector is connected to the electrolysis trough through a pipeline and gives vent to anger the end, and the venturi ejector is connected to the sodium hypochlorite storage tank through another pipeline and gives vent to anger the end.
As a preferable example, the water inlet pipe is provided with a water inlet pressure gauge.
As a preferable example, a plurality of liquid level switches are arranged in the sodium hypochlorite storage tank and are respectively a high liquid level switch, a low liquid level switch and a low liquid level switch.
As a preferable example, the water softener, the salt dissolving tank, the electrolytic bath and the sodium hypochlorite storage tank are all connected with a drain pipe, and the drain pipe is provided with an electromagnetic valve controlled by the control box.
The utility model has the advantages that:
(1) by the utility model, the soft water pump, the brine pump, the static mixer, the pipeline and the related valves form a mixing and proportioning system, so that the accuracy of brine proportioning and the stability of the concentration of produced liquid are ensured; the double-hydrogen-discharging system is composed of the hydrogen-discharging fan, the Venturi ejector and the pipeline, so that hydrogen is discharged thoroughly, and the double-hydrogen-discharging system is safe and reliable;
(2) the water inlet pressure gauge is arranged and installed on the water inlet pipe, so that the water inlet pressure can be monitored in real time, and the municipal tap water can be ensured to stably enter the water softener;
(3) the high liquid level switch, the low liquid level switch and the low liquid level switch are arranged in the sodium hypochlorite storage tank, the high liquid level stops producing sodium hypochlorite, the low liquid level starts producing sodium hypochlorite, the low liquid level closes the feeding pump, the liquid level in the sodium hypochlorite storage tank is fed back to the electrolytic bath and the feeding pump, and the stability of liquid production, liquid storage and liquid discharge is ensured;
(4) through all being connected with the blow off pipe on water softener, salt dissolving case, electrolysis trough and sodium hypochlorite storage tank, be equipped with the solenoid valve by control box control on the blow off pipe, the blow off pipe can in time discharge sewage, avoids polluting.
Drawings
Figure 1 is the schematic diagram of the sodium hypochlorite generator system of the utility model.
In the figure: 1. municipal tap water; 2. a water inlet pipe; 3. a water softener; 4. a buffer water tank; 5. a salt dissolving box; 6. a soft water pump; 7. a brine pump; 8. a static mixer; 9. an electrolytic cell; 10. a sodium hypochlorite storage tank; 11. a dosing pump; 12. a hydrogen exhaust fan; 13. a venturi ejector; 14. a water inlet pressure gauge; 15. a liquid level switch; 16. a sewage discharge pipe.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further described with reference to the following specific drawings and embodiments.
Example (b):
as shown in fig. 1, an electrolytic sodium hypochlorite generator system comprises a water inlet pipe 2, a water softener 3, a buffer water tank 4, a salt dissolving tank 5, a soft water pump 6, a brine pump 7, a static mixer 8, an electrolytic bath 9, a sodium hypochlorite storage tank 10, a feeding pump 11, a hydrogen discharge device, a rectifier and a control box;
the water inlet pipe 2 is connected with the water softener 3, the water outlet end of the water softener 3 is connected to the water inlet end of the buffer water tank 4 through one pipeline, the water outlet end of the water softener 3 is connected to the water inlet end of the salt dissolving tank 5 through the other pipeline, the water outlet end of the buffer water tank 4 is connected with the soft water pump 6, the water outlet end of the salt dissolving tank 5 is connected with the brine pump 7, the water outlet ends of the soft water pump 6 and the brine pump 7 are both connected to the water inlet end of the static mixer 8, the water outlet end of the static mixer 8 is connected to the water inlet end of the electrolytic cell 9, the electrolytic cell 9 is electrically connected with the rectifier, the water outlet end of the electrolytic cell 9 is connected to the storage tank 10 through one pipeline, the water outlet end of the electrolytic cell 9 is connected to the hydrogen discharge device through the other pipeline, and the water outlet end of the sodium hypochlorite storage tank 10 is connected with the feeding pump 11;
the water softener 3, the buffer water tank 4, the salt dissolving tank 5, the soft water pump 6, the brine pump 7, the static mixer 8, the electrolytic cell 9, the sodium hypochlorite storage tank 10, the adding pump 11, the hydrogen discharging device and the rectifier are all electrically connected with a control system arranged in the control box.
By the utility model, the soft water pump 6, the brine pump 7, the static mixer 8, the pipeline and the related valves form a mixing and proportioning system, which ensures the accuracy of brine proportioning and the stability of the concentration of produced liquid; the double-hydrogen-discharging system is composed of the hydrogen-discharging fan 12, the Venturi ejector 13 and the pipeline, and is thorough in hydrogen discharging, safe and reliable.
Wherein:
a water inlet pipe 2 for introducing municipal tap water 1;
the water softener 3 removes calcium and magnesium ions in the water by using the sodium type cation exchange resin, reduces the hardness of the raw water and achieves the aim of softening hard water; the water softener 3 is provided with a water inlet, a water outlet, a sewage draining outlet and a salt sucking outlet;
the buffer water tank 4 is mainly used for storing the soft water from the water softener 3;
the salt dissolving tank 5 is mainly used for storing 30% saturated refined salt water, the water outlet of the water softener 3 enters the salt dissolving tank 5 to dissolve internal salt, in order to ensure the salt water concentration, the liquid level is controlled not to exceed the salt level, a mechanical floating ball switch is arranged in the salt dissolving tank 5 to realize the automatic water replenishing function, a water distributor is arranged at the bottom of the salt dissolving tank 5 to prevent the granular salt from leaking, and an overflow port and a drain outlet are arranged in the salt dissolving tank 5 to facilitate operation and maintenance;
a soft water pump 6 for introducing the soft water in the buffer water tank 4 into the static mixer 8;
a brine pump 7 for introducing brine in the salt dissolving tank 5 into the static mixer 8;
the static mixer 8, soft water pump 6, brine pump 7, pipeline and relevant valve make up the proportion hybrid system, the soft water pump 6 and brine pump 7 are the metering pumps, the concentration of mixed liquor is 3% dilute brine, the static mixer 8 mixes the dilute brine evenly, the outlet end of the static mixer 8 has sampling valves, facilitate taking a sample, 3% dilute brine that is proportioned enters the electrolytic cell 9 to electrolyze;
the electrolytic cell 9 is divided into a water inlet and a water outlet, a floating ball switch is arranged on the water outlet side and is linked with a control system and a power supply system in a control box to control the automatic switch of the power supply system, each cathode and each anode on two sides of the electrolytic cell 9 correspond to the cathode and the anode of the power supply system and are connected through cables to supply power to the electrolytic cell 9, and the electrolytic cell 9 electrolyzes 3% dilute brine through direct current to generate 0.8% sodium hypochlorite solution which enters a sodium hypochlorite storage tank 10 through a water outlet pipeline;
the sodium hypochlorite storage tank 10 is used for storing a sodium hypochlorite solution produced by the electrolysis system, a high liquid level switch 15, a low liquid level switch 15 and a low liquid level switch 15 are arranged in the sodium hypochlorite storage tank, the high liquid level stops producing the sodium hypochlorite, the low liquid level starts producing the sodium hypochlorite, and the low liquid level closes the feeding pump 11;
a feeding pump 11 for delivering the sodium hypochlorite solution to a designated position;
the hydrogen discharge device is used for safely discharging hydrogen generated by electrolysis, diluting the hydrogen to below 4% of explosion limit and discharging the hydrogen, and consists of a hydrogen discharge fan 12 and a Venturi ejector 13, wherein the hydrogen discharge fan 12 is connected to the sodium hypochlorite storage tank 10, the Venturi ejector 13 is connected to the air outlet end of the electrolytic cell 9 through one pipeline, and the Venturi ejector 13 is connected to the air outlet end of the sodium hypochlorite storage tank 10 through the other pipeline;
the control system in the control box is mainly designed for embedded development of an industrial computer and is used for controlling the whole generator system through logic control;
a rectifier for supplying direct current to the electrolytic cell 9 for electrolyzing dilute brine.
Preferably, the water inlet pipe 2 is provided with a water inlet pressure gauge 14. Through the configuration installation intake pressure table 14 on inlet tube 2, can real-time supervision intake pressure, guarantee that municipal tap water 1 stably gets into water softener 3.
Preferably, a plurality of liquid level switches 15 are arranged in the sodium hypochlorite storage tank 10 and are respectively a high liquid level switch, a low liquid level switch and a low liquid level switch. Through set up high level switch, low level switch in sodium hypochlorite storage tank 10, high liquid level stops to produce sodium hypochlorite, and low liquid level begins to produce sodium hypochlorite, and low liquid level closes throws with pump 11, feeds back the liquid level in sodium hypochlorite storage tank 10 to electrolysis trough 9 and throws with pump 11, guarantees the stability of producing liquid, stock solution and play liquid.
Preferably, the water softener 3, the salt dissolving tank 5, the electrolytic bath 9 and the sodium hypochlorite storage tank 10 are all connected with a drain pipe 16, and the drain pipe 16 is provided with an electromagnetic valve controlled by the control box. Through all being connected with blow off pipe 16 on water softener 3, salt dissolving tank 5, electrolysis trough 9 and sodium hypochlorite storage tank 10, be equipped with the solenoid valve by control box control on blow off pipe 16, blow off pipe 16 can in time discharge sewage, avoids polluting.
The working principle is as follows: municipal tap water 1 enters a water softener 3 through a water inlet pipe 2, one way of water outlet of the water softener 3 is divided into a salt dissolving tank 5, the other way of water outlet of the water softener is divided into a buffer water tank 4, 3% dilute brine is matched through a soft water pump 6, a brine pump 7 and a static mixer 8 and enters an electrolytic cell 9, direct current is supplied to the electrolytic cell 9 through a rectifier, the electrolytic cell 9 electrolyzes the dilute brine to generate 0.8% sodium hypochlorite solution, the sodium hypochlorite solution enters a sodium hypochlorite storage tank 10 and is conveyed to a feeding point through a feeding pump 11 to be sterilized and disinfected, and a hydrogen discharging device dilutes and discharges the hydrogen generated by electrolysis and storage outdoors.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications are intended to be included within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (5)

1. An electrolytic sodium hypochlorite generator system is characterized by comprising a water inlet pipe (2), a water softener (3), a buffer water tank (4), a salt dissolving tank (5), a soft water pump (6), a brine pump (7), a static mixer (8), an electrolytic bath (9), a sodium hypochlorite storage tank (10), a feeding pump (11), a hydrogen discharge device, a rectifier and a control box;
the water inlet pipe (2) is connected with the water softener (3), the water outlet end of the water softener (3) is connected with the water inlet end of the buffer water tank (4) through one pipeline, the water outlet end of the water softener (3) is connected with the water inlet end of the salt dissolving tank (5) through another pipeline, the water outlet end of the buffer water tank (4) is connected with a soft water pump (6), the water outlet end of the salt dissolving tank (5) is connected with a brine pump (7), the water outlet ends of the soft water pump (6) and the brine pump (7) are connected to the water inlet end of the static mixer (8), the water outlet end of the static mixer (8) is connected to the water inlet end of the electrolytic bath (9), the electrolytic tank (9) is electrically connected with a rectifier, the water outlet end of the electrolytic tank (9) is connected to the sodium hypochlorite storage tank (10) through one pipeline, the water outlet end of the electrolytic tank (9) is connected to the hydrogen discharge device through the other pipeline, the water outlet end of the sodium hypochlorite storage tank (10) is connected with a feeding pump (11);
the water softener (3), the buffer water tank (4), the salt dissolving tank (5), the soft water pump (6), the brine pump (7), the static mixer (8), the electrolytic cell (9), the sodium hypochlorite storage tank (10), the adding pump (11), the hydrogen discharging device and the rectifier are all electrically connected with the control system which is arranged in the control box.
2. An electrolytic sodium hypochlorite generator system according to claim 1, characterized in that said hydrogen exhaust means is composed of a hydrogen exhaust blower (12) and a venturi ejector (13), said hydrogen exhaust blower (12) is connected to the sodium hypochlorite storage tank (10), said venturi ejector (13) is connected to the outlet end of the electrolytic cell (9) through a pipeline, and said venturi ejector (13) is connected to the outlet end of the sodium hypochlorite storage tank (10) through another pipeline.
3. An electrolytic hypochlorite generator system according to claim 1, characterized in that said water inlet pipe (2) is equipped with a water inlet pressure gauge (14).
4. An electrolytic sodium hypochlorite generator system according to claim 1, characterized in that a plurality of level switches (15) are provided in said sodium hypochlorite storage tank (10), respectively a high level switch, a low level switch and a low level switch.
5. An electrolytic sodium hypochlorite generator system according to claim 1, characterized in that the water softener (3), the salt dissolving tank (5), the electrolytic bath (9) and the sodium hypochlorite storage tank (10) are all connected with a drain pipe (16), and the drain pipe (16) is provided with an electromagnetic valve controlled by the control box.
CN202023166150.XU 2020-12-23 2020-12-23 Electrolytic sodium hypochlorite generator system Active CN213977904U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115094444A (en) * 2022-07-27 2022-09-23 苏州热工研究院有限公司 A kind of electrolytic chlorine production system and the method for using the same to reduce manganese ion content

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115094444A (en) * 2022-07-27 2022-09-23 苏州热工研究院有限公司 A kind of electrolytic chlorine production system and the method for using the same to reduce manganese ion content

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