KR101436111B1 - Method and device for generating sterilizing agent - Google Patents

Abstract

In the present invention, there is provided a disinfectant producing apparatus and a disinfectant producing method, comprising a salt dissolving tank, a water reservoir, a pump, an electrolysis cell, a constant current supply, a flow sensor, a mixer, a branch, a control unit and a solenoid valve, It is possible to provide a constant concentration of disinfectant irrespective of the fluctuation of the flow rate and it is possible to control the concentration of the disinfectant easily and to produce the disinfectant efficiently, And the concentration of the generated sterilizing agent can be displayed to facilitate confirmation.

Description

TECHNICAL FIELD The present invention relates to a sterilizing agent,

The present invention relates to an apparatus and a method for producing a sterilizing disinfectant. More particularly, the present invention relates to a disinfectant disinfecting device including a salt dissolving tank, a water reservoir, a pump, an electrolytic cell, a constant current supply, a flow sensor, a mixer, a branch, a control unit, and a solenoid valve.

(A) supplying a first supply of water to the salt dissolution tank and the water storage tank; (b) discharging the brine from the salt dissolution tank and the water from the water storage tank to the salt pump (C) supplying the first mixed solution to the electrolytic cell, (d) supplying a current to the electrolytic cell in the constant current supply to supply the first mixed solution to the electrolytic cell, (E) measuring the flow rate of the incoming water by using the flow sensor, (f) measuring the flow rate of the generated sterilizing agent and the flow rate of the inflow water in the mixer (G) sending the generated signal to the control unit after measuring the flow rate of the incoming water to the flow sensor, and (h) Controlling the current using a constant current supply so as to produce a sterilizing disinfectant at a constant concentration irrespective of fluctuations in the flow rate of the incoming water and displaying the concentration of sodium hypochlorite, (i) And operating the solenoid valve according to a selection operation for selecting a sterilizing concentration for the vegetables or dishes.

The electrochemical indirect sterilization method is to produce sodium hypochlorite (chloric disinfectant) which is a disinfectant by electrolyzing the brine, and it is advantageous to easily produce a large amount of disinfectant using only salt, water and electricity, and thus it is widely used industrially.

In general, sodium hypochlorite is a strong source of sodium hypochlorite used in water purification plants, sewage treatment plants, cooling water boilers in chemical plants, desalination process water, cooling water treatment of plants, drinking water treatment, plants and vegetables, meat processing, It is a chlorine disinfectant in the form of a colorless transparent liquid having chlorine odor.

The non-diaphragm sodium hypochlorite generating apparatus for producing such sodium hypochlorite is prepared by dissolving salt in a predetermined amount and pressure of water and in water to make 28 to 30% of saturated brine, % Sodium chloride is produced, and then DC power is supplied to the electrode while passing through an electrolytic bath having a non-diaphragm (system without ion exchange membrane) structure having an anode and a cathode, sodium hypochlorite is produced by electrolysis of salt.

As described above, sodium hypochlorite produced by electrolysis is a safe form of chlorine. It is used as chlorine disinfection or oxidizing agent in the field where disinfection or oxidation is required. The production amount and content concentration of sodium hypochlorite depends on the concentration, .

Korean Patent Application No. 10-2001-0017767 (Sterilizing Disinfecting Water Generating Apparatus, Seosun), Korean Patent Application No. 20-2002-0027285 (non-diaphragm sodium hypochlorite generator, Dongwoo Korean Patent Application No. 20-2003-0000677 (Electrolysis Apparatus, Dongwoo Water Tech), Korean Patent Application No. 20-2002-0027286 (Non-Diaphragmatic Sodium Hypochlorite in the Presence of Diluted Salt Water Temperature Control Korean Patent Application No. 10-2006-0088730 (a water replenishing device for a salt water storage tank for sodium hypochlorite generating apparatus, Pyo Su Gil), Korea Patent Application No. 20-2006-0024680 (hypochlorous acid Korean Patent Application No. 10-2007-0086472 (Automatic Cleansing Apparatus of Electrolysis Tank, Pyo Su Gil), Korea Patent Application No. 10-2006-0135446 (Sodium hypochlorite generation field And CJ Food System Co., Ltd.), Korean Patent Application No. 10-2006-0090436 (Chlorine Disinfection Water Producing Device, Pseudoglycem).

However, in the conventional techniques, generally, about 3% of salt water is electrolyzed to produce sodium hypochlorite at a high concentration, and the method is used by diluting the water with lead water. The concentration of the disinfectant is not constant depending on the flow rate of the incoming water It is necessary to provide a separate flow control valve or a flow rate reducing valve for controlling the number of entrances and the concentration of the sterilizing agent generated according to the flow rate fluctuation is not constant and the concentration of sodium hypochlorite produced can not be easily known.

In order to solve the above problems, the present invention provides a disinfectant production apparatus for disinfecting food and instruments, wherein firstly, the concentration of sodium hypochlorite can be kept constant even when the inflow water flow rate is changed by the constant current control, Second, it is easy to control sodium concentration of sodium hypochlorite. Third, sodium hypochlorite generation efficiency is excellent, salt and power consumption are small, and the concentration of sodium hypochlorite produced in the fourth And a method of producing a bactericide.

Accordingly, it is an object of the present invention to provide a disinfectant producing apparatus and a producing method including a salt dissolving tank, a water reservoir, a pump, an electrolytic cell, a constant current supply, a flow sensor, a mixer, a distributor, a control unit and a solenoid valve .

According to an aspect of the present invention, there is provided a disinfectant producing apparatus including a salt dissolving tank, a water reservoir, a pump, an electrolytic cell, a constant current supply, a flow sensor, a mixer, a distributor, a control unit and a solenoid valve. And a generation method.

(A) supplying a first supply of water to the salt dissolution tank and the water storage tank; (b) discharging the brine from the salt dissolution tank and the water from the water storage tank to the salt pump (C) supplying the first mixed solution to the electrolytic cell, (d) supplying a current to the electrolytic cell in the constant current supply to supply the first mixed solution to the electrolytic cell, (E) measuring the flow rate of the incoming water by using the flow sensor, (f) measuring the flow rate of the generated sterilizing agent and the flow rate of the inflow water in the mixer (G) sending the generated signal to the control unit after measuring the flow rate of the incoming water to the flow sensor, and (h) Comprising the steps of: controlling the current using a constant current supply so as to produce a sterilizing disinfectant of a constant concentration irrespective of fluctuations in the flow rate of the incoming water; and displaying the concentration of sodium hypochlorite, (i) And operating the solenoid valve according to a selection operation for vegetables or utensils to divide sterilization concentration into vegetables or tableware.

According to the present invention, it is possible to provide a sterilization disinfectant at a constant concentration and control the inflow water with constant current control regardless of the fluctuation of the flow rate, and it is possible to easily control the concentration of the sterilizing agent produced, And the salt and power consumption can be reduced, and the concentration of the produced sterilizing agent can be easily known.

1 is a configuration diagram of a bactericide generator according to an embodiment of the present invention.

Hereinafter, embodiments and embodiments of the present invention will be described in detail with reference to the accompanying drawings, which will be readily apparent to those skilled in the art.

The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. In order to clearly explain the present invention in the drawings, parts not related to the description are omitted.

Also, when an element is referred to as "comprising ", it means that it can include other elements as well, without departing from the other elements unless specifically stated otherwise.

The word " step (or step) " or " step " used in the specification of the present invention does not mean " step for.

Hereinafter, with reference to Fig. 1, a description will be made of a device and method for producing a bactericide.

One aspect of the present invention includes a salt dissolution tank 110, a water storage tank 120, a pump 130, an electrolysis cell 140, a constant current supply 150, a flow rate sensor 160, a mixer 170, (d1, d2), a control unit (102), and a solenoid valve (180).

The salt dissolution tank 110 in the bactericide generation apparatus 100 functions to dissolve salt in water by supplying salt to convert the salt into brine. The water storage tank 120 can zero pressure fluctuations in the stream l4 between the branch pipe d2 and the water storage tank 120 so that a certain concentration of brine can be produced. The pump 130 sucks a predetermined flow rate from the salt dissolution tank 110 and the water storage tank 120 and mixes the same to supply about 3% of brine to the electrolysis cell 140. The electrolytic cell 140 serves to decompose the brine from the electrode using the electricity supplied from the constant current supply unit 150 and to generate sodium hypochlorite with a predetermined concentration. The mixer 170 serves to dilute the sodium hypochlorite concentration to an appropriate level by mixing sodium hypochlorite with water generated in the electrolytic cell 140 with water. The control unit 102 provides signal analysis and control signals to produce the desired bactericide concentration. The flow sensor 160 performs flow measurement of the second feed water (stream 9). And also displays the concentration of sodium chloride in the control unit 102 with the signal s1 supplied to the control unit 102 by the flow sensor 160. [

Further, the control unit 102 operates the solenoid valve according to a selection operation for vegetables or dishes to regulate the sterilization concentration for vegetables or tableware.

In the exemplary embodiment, the brine (stream 6) from the salt-dissolving tank 110 and the water (stream 5) from the water storage tank 120 are supplied to the pump (160), and then supplies the mixed gas to the electrolytic cell (140). However, the present invention is not limited thereto.

The salt concentration may be in a range other than 2% to 5%, and is generally, but not limited to, a salt concentration of 3%.

In an exemplary embodiment, the electrolytic cell 140 may include a first terminal electrode, a second terminal electrode, and a bipolar electrode having an electrochemical catalyst, but is not limited thereto.

The reason why the electrolytic cell 140 has a bipolar electrode having an electrochemical catalyst is to maintain the generation efficiency of sodium hypochlorite to a high level and may not include the bipolar electrode having the electrochemical catalyst.

In an exemplary embodiment, the electrolytic cell 140 may receive current from the constant current supply 150 and may electrolyze the brine to produce a sterilizing agent. However, the present invention is not limited thereto.

The constant current supply 150 controls a current supplied to the electrolysis cell 140 and supplies a constant current (constant current) to the electrolysis cell 140 so that the electrolysis rate , The rate of electrolysis, the amount of bactericide produced, the concentration of the bactericide, and the like.

In the exemplary embodiment, the flow sensor 160 measures the flow rate of water supplied, and the mixer 170 mixes the sterilant (stream (l8)) generated in the electrolysis cell 140 and the flow rate But the present invention is not limited thereto.

In addition, the constant current supply 150 applies a constant current to the electrolytic cell 140 to generate sterilization disinfectant at a constant concentration irrespective of fluctuations in the flow rate.

The control process in the bactericide generator 100 of the present invention is as follows.

The main control element of the bactericide generator 100 of the present invention controls the flow of the constant current supply 150 by the flow rate and the signal s1 measured by the flow rate sensor 160 as the current value supplied to the electrolysis cell 140 Thereby adjusting the current value. Control of the bactericide generator by the flow rate control means is difficult to achieve precise control, and expensive precise control valves, flow meters, and the like are required for precise control, which increases the installation cost.

In the exemplary embodiment, the control unit 102 transmits the generated signal s1 to the control unit 102 after measuring the flow rate of the incoming water using the flow sensor 160, The signal s1 measured by the wander sensor 160 is used to control the current using the constant current supply device 150 to adjust the concentration of the bactericide and to display the sodium hypochlorite concentration and to measure the concentration of the sodium hypochlorite But is not limited to, producing a certain concentration of bactericide.

In addition, a constant current is applied to the electrolytic cell 140 to generate a sterilization disinfectant having a constant concentration irrespective of the fluctuation of the flow rate. The constant current control generates a constant concentration of the sterilant regardless of the flow rate variation, The apparatus is not required.

The bactericidal generator 100 of the present invention is controlled by the following method.

The flow sensor 160 measures the flow rate of the second supply water (stream 9) and transmits the measured signal s1 to the control unit 102. [ The control unit 102 compares the desired bactericide target value and the flow rate value and controls them as follows.

The current s1 measured by the flow sensor 160 is controlled by the constant current supply 150 through the control unit 102 so that the target value and the measured value are maintained within the error range of 5% (140) and finally adjusts the concentration.

According to another aspect of the present invention, there is provided a method of supplying water to a salt dissolution tank (110) and a water storage tank (120), comprising: supplying a first supply water (stream (l2)); The salt water (stream l6) from the salt dissolving tank 110 and the water (stream l5) from the water storage tank 120 are mixed in the pump 130 at a salt concentration of 2% to 5% 1 mixed liquor (stream l7); Supplying the first mixed liquor (stream (l7)) to the electrolysis cell (140); A current is supplied to the electrolytic cell 140 from the constant current supply unit 150 to electrolyze the first mixed liquid (stream 6) in the electrolytic cell 140 to generate a sterilizing agent (stream l 8) ; The second feed water (stream l9) drawn through the solenoid valve 180 is mixed with the generated sterilizing agent (stream l8) in the mixer 170 to produce a second mixed liquor (stream l10 )); Measuring the flow rate of the incoming water using the flow sensor 160 and transmitting the generated signal s1 to the control unit 102; And the control unit (102) receiving the measurement signal (s1) of the flow sensor (160) to control the current using the constant current supply (150) and displaying the concentration of sodium hypochlorite; The control unit (102) operates the solenoid valve (180) according to a selection operation for vegetable or tableware to regulate sterilization concentration for vegetables or tableware.

The influent water (stream ll) is branched at the branch pipe d1 to supply first supply water (stream l2) for brine dissolution and dilution and second supply water (stream l9) for sodium hypochlorite concentration control, . The first supply water (stream l2) is divided into streams l3 and l4 through branch pipe d2 and stream l3 is supplied to the salt dissolving tank 110 to supply salt And the stream (4) is supplied to the water storage tank (120). The salt water (stream 6) and the water (stream 5) discharged from the salt dissolving tank 110 and the water storage tank 120 are mixed at a predetermined ratio in the pump 130 to be 2% to 5% (Stream 7) having a brine concentration of about 3%, preferably about 3%, is supplied to the electrolytic cell 140. The electrolytic cell 140 includes a first terminal electrode , A second terminal electrode, and a bi-polar electrode (not shown). When the first mixed liquid (stream 7) is supplied to the electrolytic cell 140 and electricity is supplied from the constant current feeder 150, the first mixed liquid (stream 7) is electrolyzed and sodium hypochlorite Stream (? 8)) is produced and has a sodium hypochlorite concentration of about 8,000 ppm.

The resulting sodium hypochlorite (stream l8) is mixed with the second feed water (stream l9) drawn through the solenoid valve 180 in the mixer 170 to produce the final germicide (the second mixed liquor ))) Is produced.

The solenoid valve 180 is adjusted to disinfect vegetables and food utensils so that the final concentration in the second mixed liquor (stream 10) is 100 ppm or 200 ppm.

The flow rate sensor 160 measures the flow rate of the second supply water (stream l9) branched from the branch pipe d1 and outputs the measured signal s1 to the control unit 102 And the control unit 102 controls the current of the constant current supply 150 according to the measured signal s1 to generate the sodium hypochlorite (stream l8) and the second supply water (stream l9) Are mixed in the mixer 170 to produce the final germicide (the second mixture liquid (stream 10)) having the desired target concentration.

100: Disinfectant generating device
102: control unit 110: salt melting tank
120: water storage tank 130: pump
140 electrolysis cell 150 constant current supply
160: Flow sensor 170: Mixer
180: Solenoid valve
s1, s2, s3: signals d1 and d2:
ℓ1 to ℓ10: stream

Claims (9)

A salt fusing tank 110 for supplying salt and dissolving the salt in water to form a salt water in a saturated state,
A water storage tank 120 for storing water such that the pressure fluctuation in the stream (l4) between the branch pipe (d2) and the water storage tank (120) is zeroed so that a certain concentration of salt water can be produced;
A pump 130 for sucking a predetermined flow rate from the salt dissolution tank 110 and the water storage tank 120 and then mixing the same to supply electrolytic cell 140 with salt water of 2% to 5%
An electrolytic cell 140 for decomposing salt water in the electrode using electricity supplied from the constant current supply unit 150 and generating sodium hypochlorite with a predetermined concentration,
A mixer 170 for mixing the high concentration sodium hypochlorite produced in the electrolysis cell 140 with water to dilute the sodium hypochlorite concentration to an appropriate level,
A control unit 102 for providing signal analysis and control signals to produce a desired bactericide concentration,
And a flow sensor 160 for performing flow measurement of the second supply water (stream 9)
A constant current is applied to the electrolytic cell 140 to generate a sterilization disinfectant having a constant concentration irrespective of the flow rate variation,
The electrolytic cell 140 includes a first terminal electrode, a second terminal electrode, and a bipolar electrode having an electrochemical catalyst,
The flow rate sensor 160 measures the flow rate of the second supply water and transmits the generated signal to the control unit 102. The control unit 102 measures the flow rate of the second supply water by the flow rate sensor 160 The flow rate signal is then used to control the current using a constant current supply (150) to adjust the concentration of the bactericide and display the sodium hypochlorite concentration,
Wherein the control unit (102) operates the solenoid valve (180) according to a selection operation for vegetable or tableware to regulate the sterilization concentration for vegetables or tableware.
delete delete delete delete delete delete delete Supplying the first supply water to the salt dissolution tank and the water storage tank;
Mixing the brine from the salt-dissolving tank and the water from the water-storage tank with a pump at a salt concentration of 2% to 5% to produce a first mixture;
Supplying the first mixed solution to an electrolysis cell;
Supplying a current from the constant current supply to the electrolytic cell to electrolyze the first mixed solution in the electrolytic cell to produce a sterilizing agent;
Measuring a flow rate of the second supply water using a flow sensor, and transmitting the generated signal to the control unit;
Wherein the control unit controls the solenoid valve by using the constant current supply in response to the measurement signal of the flow sensor, thereby producing a sterilant of a predetermined concentration irrespective of the fluctuation of the flow rate of the second supply water;
Mixing the generated sterilizing agent and the second supply water introduced through the solenoid valve in a mixer to produce a second mixed solution;
Displaying the concentration of sodium hypochlorite;
Wherein the control unit operates the solenoid valve according to a selection operation for vegetable or tableware to divide the sterilization concentration into vegetable or tableware.

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