KR100802361B1 - Electrolytic Sterilization Water Supply Device - Google Patents

Abstract

The present invention relates to a disinfectant disinfectant generating device for a large-scale feeding facility or a large restaurant operated by a school, a hospital, a company, and the like. A brine tank connected to the inlet pipe, the saturated salt water is stored, and the water is infiltrated and diluted; A brine pump for pumping the brine diluted from the brine tank; An electrolytic cell having an electrode plate each having an electrode terminal for electrolyzing the diluted brine pumped from the brine pump and applying a voltage; A sterilizing water storage tank for storing an aqueous sodium hypochlorite solution generated by being electrolyzed from the electrolytic cell; A sterilizing water supply pump for supplying sterilizing water stored in the sterilizing water storage tank; A control unit for controlling the operation of the brine pump, the power supply and current intensity applied to the electrode terminal, and the operation of the sterilizing water supply pump; Characterized in that comprises a.

In addition, the device is characterized in that the supply of dilute hydrochloric acid of 2-6% instead of brine in the brine tank to produce a weakly acidic electrolytic sterilized water of pH 5 ~ pH 6.5 during electrolysis in the electrolytic cell. The electrolytic sterilization water produced by electrolysis of dilute hydrochloric acid in the electrolytic cell is based on hypochlorous acid (HClO), and hypochlorous acid is also electrolytic sterilization water with strong sterilizing power.

Accordingly, the present invention can suppress the generation of general bacteria or other microorganisms by using sodium hypochlorite or hypochlorous acid generated by electrolysis of salts and dilute hydrochloric acid dissolved in water without using general chlorine drugs or solid chlorine. Also, non-specialists can supply electrolytic disinfectant sterilization water according to the concentration by simple operation, so it is easy to manage.

Description

Electrolysis Sterilization Disinfecting Possibility Supply Apparatus}

1 is a view showing an electrolytic sterilization water supply apparatus of the present invention.

2 shows the main parts of the present invention.

3 is a view showing an example of the electrolytic cell of the present invention.

4A and 4B show an electrolytic cell in which a diaphragm is installed.

5 shows another example of the electrolytic cell of the present invention.

* Description of the symbols for the main parts of the drawings *

10: inlet pipe 20: brine tank

21: ball tower 30: salt water pump

40: electrolytic cell 41: electrode terminal

42: electrode plate 43: front plate

44: supply part 45: discharge part

46: electrode plate accommodating part 47: back plate

48: side plate 49: euro

50: sterile water supply pump 51: diaphragm

60: solenoid valve 70: micro flowmeter

80: sterilization water storage tank

81: water level sensor 90: control unit

91: display 92: alarm indicator

The present invention relates to an electrolytic disinfectant disinfecting water supply device used in a large meal facility or a large restaurant operated by a school, a hospital, a company, etc. More specifically, the present invention uses only electricity to activate an electrode plate without using chlorine chemicals. By generating chloric acid or sodium hypochlorite, the present invention relates to an electrolytic disinfectant disinfectant water supply device that is easy to manage and can be easily managed by a general person without specialized knowledge.

According to the school hygiene management guideline, fruits and vegetables are immersed in 100 ppm of effective chlorine solution for 5 minutes and then washed or processed using sterilized washing water of constant temperature with effective chlorine as well as other ingredients, such as cutting boards and dishcloths. This prevents accidents such as food poisoning in advance.

At this time, sodium hypochlorite (NaOCl) is used as the main component of the sterilized washing water, which is a sterilization device in water purification plant, sewage treatment plant, cooling water boiler in general chemical plant, desalination process water, cooling water treatment in power plant, drinking water It is a colorless transparent liquid with a strong chlorine odor that is used as a treatment, swimming pool and paper, and household bleach. It is very important to dilute it because it is difficult to manage and can cause severe side effects such as burns and discoloration.

In fact, 4% of sodium hypochlorite, which is commercially available, is often purchased without dilution due to the hassle of diluting and using it every time. Some cases are difficult to do.

Therefore, in order to solve this problem, it is urgent to develop an apparatus for producing and supplying electrolytic sterilization disinfectant water according to the concentration even with simple operation on the spot without purchasing sodium hypochlorite and diluting each time.

The present invention has been made in order to solve the above problems, general bacteria using sodium hypochlorite or hypochlorous acid produced by electrolysis of the salt and dilute hydrochloric acid dissolved in water without using a general chlorine drug or solid chlorine, etc. Or to provide an electrolytic sterilization water supply device that can suppress the generation of other microorganisms.

In addition, another object of the present invention is to provide an electrolytic sterilization disinfecting water supply apparatus that can supply the electrolytic sterilization disinfection water to the concentration by a simple operation, not the expert.

Electrolytic sterilization water supply apparatus of the present invention for achieving the above object is an inlet pipe in which time water flows from groundwater or tap water when using brine; A brine tank connected to the inlet pipe, the saturated salt water is stored, and the water is infiltrated and diluted; A brine pump for pumping the brine diluted from the brine tank; An electrolytic cell having an electrode plate each having an electrode terminal for electrolyzing the diluted brine pumped from the brine pump and applying a voltage; A sterilizing water storage tank for storing an aqueous sodium hypochlorite solution generated by being electrolyzed from the electrolytic cell; A sterilizing water supply pump for supplying sterilizing water stored in the sterilizing water storage tank; A control unit for controlling the operation of the brine pump, the power supply and current intensity applied to the electrode terminal, and the operation of the sterilizing water supply pump; Characterized in that comprises a.

In addition, the present invention is characterized in that the solenoid valve is provided in the front end of the electrolytic cell is closed when the sterile water supply pump is operated and opened when stopped to circulate to the brine tank.

In addition, the present invention is further provided with a micro flowmeter which is provided at the rear end of the solenoid valve and the intensity of the current supplied to the electrolytic cell by the control unit is controlled in accordance with the amount of diluted brine flowing into the electrolytic cell in conjunction with the control unit It is characterized by.

In addition, the present invention is to control the operation state of the salt water supply pump according to the strength of the current generated in the electrolytic cell in conjunction with the salt water supply pump and the control unit, the strength of the current generated in the electrolytic cell is related to the concentration of the electrolytic sterilization water If the current generated in the electrolytic cell is less than the set value, the brine supply pump is interlocked, that is, it is characterized in that the strength of the current generated in the electrolytic cell is kept constant by increasing the amount of brine supplied to the electrolytic cell.

In addition, the present invention is characterized in that the sterilizing water storage tank is further provided with a water level sensor for detecting the level of the sterilizing water interlocked with the control unit.

In addition, the control unit of the present invention is characterized in that the pole switching of the power applied to the electrode terminal.

In addition, the electrolytic cell of the present invention consists of a front plate, a rear plate coupled to the rear portion of the front plate, the front plate and the rear plate is generated by electrolysis with the supply portion supplied with the brine pumped by the brine pump Each of the discharge parts for discharging the aqueous sodium hypochlorite solution into the sterilizing water storage tank is provided, and the electrode plate accommodating parts are formed so that the electrode plates are spaced apart from each other.

In addition, the present invention is characterized in that a diaphragm is provided between the electrode plates.

In addition, the electrolytic cell of the present invention is located in the rear plate of the front plate, the rear plate of the front plate is provided with a supply for supplying the brine pumped by the brine pump, the aqueous solution of sodium hypochlorite produced by electrolysis to the sterilization water storage tank It consists of a rear plate provided with a discharge portion for discharging, the side plate for coupling between the front plate and the rear plate, the electrode plate is characterized in that a plurality of stacked inside the electrolytic cell is accommodated.

Hereinafter, the electrolytic sterilization water supply apparatus of the present invention will be described with reference to the accompanying drawings.

1 is a view showing an electrolytic sterilization water supply apparatus of the present invention, Figure 2 is a view showing the main part of the present invention, Figure 3 is a view showing an example of the electrolytic cell of the present invention, Figure 4a and Figure 4b is a diaphragm It is a figure which shows the installed electrolytic cell, and FIG. 5 is a figure which shows the other example of the electrolytic cell of this invention.

As shown, the electrolytic sterilization water supply apparatus of the present invention is an inlet pipe 10 through which time water flows from groundwater or tap water; A brine tank 20 connected to the inlet pipe 10 and having a saturated salt water stored therein and diluting with time water; A brine pump 30 for pumping the brine diluted from the brine tank 20; An electrolyzer 40 for electrolyzing the diluted brine pumped from the brine pump 30; A sterilizing water storage tank 80 for storing sterilizing water electrolyzed from the electrolytic cell 40; A sterilizing water supply pump 50 for supplying sterilizing water; A control unit 90 for controlling the operation of each unit; Characterized in that comprises a.

The inflow pipe 10 is a time flow from groundwater or tap water. The incoming water is supplied to the brine tank 20 to dilute the saturated salt water stored in the brine tank 20.

The brine tank 20 is connected to the inlet pipe 10 and the saturated salt water is stored and the time is introduced to the saturated salt water is diluted. At this time, the water flowing from the inflow pipe 10 blocks the inflow of water when the water level reaches the full water level by the ball top 21 provided in the brine tank 20. When the water level is low, the water flows from the inflow pipe 10. To be.

The brine pump 30 pumps the brine diluted from the brine tank 20 to the electrolytic cell 40. At this time, it is preferable that the brine pump 30 to be used uses a DC pump that can control the amount of diluted brine pumped also by the flow rate of the pumped diluted brine.

The electrolyzer 40 is provided with an electrode plate 42 each having an electrode terminal 41 to which electrolysis of the diluted brine pumped from the brine pump 30 is applied to the voltage, and the electrode plate 42. The brine is electrolyzed by the current applied between them. The electrode plate 42 used in the electrolytic cell 40 of the present invention preferably uses a DSA (Dimensionally Stable Anode) electrode coated with ruthenium or iridium on the outside of titanium. The DSA electrode has a relatively low overvoltage for oxygen generation, and the toxic organic substance itself on the surface of the electrode is also oxidized by various types of active oxygen having strong oxidizing power generated before and after the potential at which oxygen is generated. Preference is given to using electrodes.

As the current supplied to the electrode terminal 41 of the electrolytic cell 40, it is preferable to use a current converted by a rectifier (not shown). The rectifier (Switching Mode Power Supply) uses a 220V single phase and supplies DC 10V 5, 10, 15 A (amps) to the electrolytic cell 40. The rectifier (SMPS) is a high efficiency and significantly small volume and stable compared to the SCR type electricity consumption.

It is preferable that the solenoid valve 60 is further provided at the front end of the electrolytic cell 40 to be closed when the sterilizing water supply pump 50 is operated and to be opened when stopped to circulate to the brine tank 20. In addition, at the rear end of the solenoid valve 60, the current supplied to the electrolytic cell 40 by the controller 90 according to the amount of diluted brine flowing into the electrolytic cell 40 in cooperation with the controller 90. It is preferable that the micro flowmeter 70 is further provided to control the intensity of the.

As an example of the electrolytic cell 40 of the present invention consists of a front plate 43, a rear plate 47 coupled to the rear portion of the front plate 43, as shown in Figure 3, the front plate 43 ) And the rear plate 47 discharge the aqueous sodium hypochlorite solution generated by electrolysis with the supply part 44 supplied with the brine pumped by the brine pump 30 to the sterilizing water storage tank 80. Each of the parts 45 is provided, and the electrode plate accommodating part 46 is formed to accommodate the electrode plate 48 spaced apart from each other. The diluted brine pumped by the brine pump 30 and supplied to the supply part 44 is moved to the space between the electrode plates 42 to be electrolyzed to generate sterilized water and discharged to the discharge part 45. And is stored in the sterilizing water storage tank (80).

Looking at the reaction occurring in the cathode while the power is applied through the electrode terminal 41 of the electrode plate 42 as follows.

2H ₂ O + 2Na ⁺ + 2e- → 2NaOH + H ₂

^{_{2H 2 O + 2e - → H}} 2 + OH - , and

The reaction at the anode

2Cl ^{- -} 2e ^- → Cl ₂

^{_{2H 2 0 - 4e - → 4H}} + + O 2

Cl ₂ + H ₂ O-> HClO + HCl.

Here, sodium hydroxide (NaOCl) is generated by combining sodium hydroxide (NaOH) generated at the cathode and chlorine gas at the positive electrode. Sodium hypochlorite (NaOCl) aqueous solution is introduced into the sterilized water storage tank 80 and supplied automatically sterilization and disinfection of various bacterial wheat microorganisms remaining in the water. In addition, the positive and negative electrodes generate ionized water such as alkaline water and acidic water.

At this time, the diaphragm 51 may or may not be provided between the electrode plates 42. When the diaphragm is not installed between the electrode plates 42, sterilized water may be generated by using sodium hypochlorite generated by electrolysis, and when the diaphragm is installed between the electrode plates 42, Not only sodium hypochlorite generated by decomposition can be used, but also ionic water such as acidic water and alkaline water generated at the anode and cathode can be separately supplied.

When the diaphragm 51 is applied, it can be classified into a two chamber type as in FIG. 4A in which one diaphragm 51 is installed, and a three chamber electrolytic cell as in FIG. 4B in which two diaphragms 51 are installed. Depending on what is added to the electrolyte as raw water, it is effective to produce electrolyzed water having various characteristics, and it has the advantage of making strong oxidized water and beverage reduced water with one device.

According to another embodiment of the present invention, the electrolytic cell 40 ′ is provided with a front plate 43 having a supply part 44 supplied with the brine pumped by the brine pump 30, and a rear part of the front plate 43. And a rear plate 47 having a discharge part 45 for discharging the aqueous sodium hypochlorite solution generated by electrolysis to the sterilizing water storage tank 80, between the front plate 43 and the rear plate 47. The side plate 48 is coupled to each other, the electrode plate 42 is accommodated in a plurality of stacked in the electrolytic cell 40.

In addition, it is preferable that the electrode plate 42 is alternately formed left and right alternately with the flow path 49 so that the electrode plate 42 is bypassed and discharged from the supply part 44 to the discharge part 45. In this case, the brine pumped by the brine pump 30 increases the contact with the electrode plate 42, thereby increasing the electrolysis efficiency of the salt.

The sterilizing water storage tank 80 stores an aqueous sodium hypochlorite solution generated by being electrolyzed from the electrolytic cell 40. In addition, the sterilizing water storage tank 80 is preferably further provided with a level sensor 81 for detecting the level of the sterilizing water interlocked with the control unit 90. In the figure, the water level sensor 81 made of a ball top was used, and other types of water level sensor may be used.

The sterilizing water supply pump 50 supplies sterilizing water stored in the sterilizing water storage tank 80.

The control unit 90 controls the operation of the brine pump 30, the power supply and current applied to the electrode terminal 41, the operation of the sterilizing water supply pump 50 and the like. The control unit may generate sterilized water (aqueous sodium hypochlorite solution such as 50, 100, 150 ppm, etc.) through electrolysis of the brine by adjusting the intensity of the current applied to the electrode terminal 41.

In addition, the control unit 90 controls the opening and closing of the solenoid valve 60. During the operation of the sterilizing water supply pump 50, the control unit 90 closes the solenoid valve 60 and is supplied to the electrolytic cell 40. The water is introduced into the sterilizing water storage tank 80, and when the sterilizing water supply pump 50 is stopped, the solenoid valve 60 is opened to dilute the brine to be introduced into the electrolytic cell 40 in the brine tank. Allow circulation to (20). In addition, the control unit 90 is to control the micro-flowmeter 70, if the flow rate measured by the microflowmeter 70 is large, that is, if the amount of diluted brine introduced into the electrolytic cell 40 is the When the intensity of the current supplied to the electrolytic cell 40 is increased and the flow rate measured by the micro flowmeter 70 is small, that is, the amount of diluted brine flowing into the electrolytic cell 40 is small, the electrolytic cell 40 is reduced. This decreases the strength of the current supplied to). As such, the controller 90 controls the intensity of the current according to the amount of diluted brine measured by the microflowmeter 70. In addition, it is preferable that the controller 90 sounds an alarm when the amount of the brine measured by the microflowmeter 70 is small for a long time.

In addition, the control unit 90 is to control the pole switching of the power applied to the electrode terminal. When the power applied to the electrode terminal 41 is polarized in this manner, scale generation of the electrode by calcium, magnesium, or the like contained in the time can be suppressed.

In addition, the control unit 90 displays the amount of salt water measured by the micro flowmeter 70 on the PCB / LCD display 91, and the control unit 90 is attached to the inside or a separate outside of the device. can do.

In addition, the control unit 90 alarms when the concentration of the salt solution measured by the brine concentration measuring device (not shown) provided in the brine tank does not exceed a certain concentration, the alarm indicator 92 is turned on. It is desirable to.

In the case of using dilute hydrochloric acid, the difference is that dilute hydrochloric acid is used in the brine tank 20. The remaining operation principle, operation sequence, and control method are the same.

The reaction that takes place at the cathode

^{_{2H 2 O + 2e - → H}} 2 + OH - , and

The reaction at the anode

2Cl ^{- -} 2e ^- → Cl ₂

^{_{2H 2 0 - 4e - → 4H}} + + O 2

Cl ₂ + H ₂ O-> HClO + HCl.

That is, the main component of electrolytic sterilization water produced by electrolysis of dilute hydrochloric acid in an electrolytic cell is hypochlorous acid (HClO), which has a weak acidity of pH 5 ~ pH6.5.

The overall operation sequence and control method are the same as when using brine.

As described above, the present invention is a general bacterium by using electrolytic sterilization water (sodium hypochlorite or hypochlorous acid) produced by electrolysis of salts and dilute hydrochloric acid dissolved in water without using general chlorine medicine or solid chlorine. It can suppress the occurrence of other microorganisms, and even non-specialists can supply electrolytic disinfectant disinfectant water according to the concentration with a simple operation, which is easy to manage.

Claims (9)

delete An inflow pipe through which time water flows from groundwater or tap water; A brine tank connected to the inlet pipe and storing saturated salt water or dilute hydrochloric acid and in which time water is introduced and diluted; A pump for pumping diluted brine or diluted hydrochloric acid from the brine tank; An electrolytic cell having an electrode plate each having an electrode terminal to which voltage is applied while electrolyzing diluted brine or dilute hydrochloric acid pumped from the pump; A sterilizing water storage tank storing an aqueous sodium hypochlorite solution or an aqueous hypochlorite solution generated by being electrolyzed from the electrolytic cell; A sterilizing water supply pump for supplying sterilizing water stored in the sterilizing water storage tank; A solenoid valve which is closed when the sterilizing water supply pump is operated at the front end of the electrolyzer and opened when stopped to circulate to the brine tank; A control unit for controlling the operation of the pump, the power supply and the current intensity applied to the electrode terminal, and the operation of the sterilizing water supply pump and the solenoid valve; Electrolytic sterilization water supply device characterized in that comprises a. The method of claim 2, The micro-flow meter is provided at the rear end of the solenoid valve and is further provided so as to control the strength of the current supplied to the electrolytic cell by the control unit in accordance with the amount of diluted brine flowing into the electrolytic cell in conjunction with the control unit. Sterilization Disinfection Water Supply. The method of claim 3, wherein The sterilizing water storage tank is electrolytic sterilization disinfecting water supply device further comprises a water level detection sensor for detecting the level of the sterilizing water interlocked with the control unit. The method of claim 4, wherein The control unit is an electrolytic sterilization water supply device, characterized in that the pole switching of the power applied to the electrode terminal. The method according to any one of claims 2 to 5, The electrolyzer consists of a front plate, a rear plate coupled to the rear of the front plate, the front plate and the rear plate is an aqueous sodium hypochlorite solution produced by electrolysis with a supply portion to which the brine pumped by the brine pump is supplied. Electrolytic sterilization disinfecting water supply device characterized in that the discharge portion for discharging to the sterilizing water storage tank is provided, respectively, the electrode plate accommodating portion is formed so that the electrode plate is spaced apart from each other. The method of claim 6, Electrolytic sterilization water supply apparatus, characterized in that the diaphragm is installed between the electrode plate. The method of claim 7, Electrolytic sterilization disinfectant water supply device characterized in that the electrolytic water of the positive or negative electrode electrolysis at both sides of the diaphragm are respectively stored in the sterilization water storage tank so as to be respectively pumped by the sterilization water supply pump. The method according to any one of claims 2 to 5, The electrolyzer is provided with a front plate having a supply part for supplying the brine pumped by the brine pump, and a discharge part for discharging the aqueous sodium hypochlorite solution generated by electrolysis to the sterilizing water storage tank located at the rear of the front plate. Electrolytic sterilization disinfecting water supply device, characterized in that the rear plate, which consists of a side plate for coupling between the front plate and the rear plate, the electrode plate is accommodated in a plurality of stacked inside the electrolytic cell.

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