Method and device for preparing subacid electrolyzed water with controllable and stable concentration

A slightly acidic electrolyzed water and concentration technology, which is applied in chemical instruments and methods, water/sewage treatment, water treatment parameter control, etc., can solve problems such as unstable effective power and uncontrollable production concentration, and achieve simple structure and fast The effect of improving electrolysis speed and concentration

Active Publication Date: 2021-08-17
NINGBO C F ELECTRONICS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The problem to be solved by the present invention is to provide a method and device for producing slightly acidic electrolyzed water with a controllable and stable concentration, so as to overcome the defects of uncontrollable concentration, instability and low effective power of the existing slightly acidic electrolyzed water

Method used

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  • Method and device for preparing subacid electrolyzed water with controllable and stable concentration
  • Method and device for preparing subacid electrolyzed water with controllable and stable concentration
  • Method and device for preparing subacid electrolyzed water with controllable and stable concentration

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Effect test

Embodiment 1

[0053] refer to Figure 5 and Image 6 , the present embodiment provides a device for preparing slightly acidic electrolyzed water with a controllable and stable concentration, including an electrolytic stock solution storage 1, an electrolytic cell 2, and a first mixer 3 connected in sequence, between the electrolytic stock solution storage 1 and the electrolytic cell 2 A first liquid addition device 4 is connected in series, and the first liquid addition device 4 may be a peristaltic metering pump. The electrolytic cell 2 is respectively connected with a current and voltage control unit 5 and a current and voltage detection unit 6 , the current and voltage control unit 5 is connected with the electrolytic cell 2 through a wire, and the current and voltage detection unit 6 is connected with the electrolytic cell 2 through a detection probe. The current and voltage control unit 5 is used to control the current and voltage at both ends of the electrolytic tank 2, and the curre...

Embodiment 2

[0069] refer to figure 1 and figure 2 , the difference between a method for preparing slightly acidic electrolyzed water with a controllable and stable concentration provided in this embodiment and the first embodiment is that in step S001, according to U 控 =f(C 出 ,T 测 ) to determine U 控 , where U 控 with C 出 proportional relationship, U 控 with T 测 Inversely proportional relationship.

[0070] Specifically, U 控 Calculated according to the following formula:

[0071] u 控 = K 1 ·(C 出 -K 2 )·[1-K 3 ·(T 测 -T 标 )]+K 4

[0072] K 1 、K 2 、K 3 、K 4and T 标 are constants greater than 0, K 1 Preferable 0.03~0.048, K 2 Preferable 12.929~14.929, K 3 Can be 0~1, K 4 Preferable 1.8328~3.8328, T 标 Any value at 20°C, 25°C or 45°C.

[0073] Further, determine I through the following steps 控 and voltage U 控 :

[0074] Step A1, calculate I 标 ; Based on C 出 ,according to Calculate I 标 , K 5 is a constant greater than 0, K 5 Preferable 14.746~16.746;

[0075]...

Embodiment 3

[0079] refer to figure 1 and image 3 , the difference between a method for preparing slightly acidic electrolyzed water with a controllable and stable concentration provided in this embodiment and the first embodiment is that in step S001, according to U 控 =f(C 出 ) to determine U 控 , where U 控 with C 出 proportional relationship.

[0080] Specifically, U 控 Calculated according to the following formula:

[0081] u 控 = K 1 ·(C 出 -K 2 )+K 4

[0082] K 1 、K 2 and K 4 are constants greater than 0, K 1 Preferable 0.03~0.048, K 2 Preferable 12.929~14.929, K 4 1.8328~3.8328 is desirable.

[0083] Further, determine I through the following steps 控 and voltage U 控 :

[0084] Step A1, calculate I 标 ; Based on C 出 ,according to Calculate I 标 , K 5 is a constant greater than 0, K 5 Preferable 14.746~16.746;

[0085] Step A2, calculate I 控 and U 控 ; Based on I 标 , according to I 控 =I 标 OK I 控 , and then according to U 控 = K 6 ·I 控 +K 4 , calculate U ...

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Abstract

The invention provides a method and device for preparing subacid electrolyzed water with controllable and stable concentration, and the method comprises the steps: adjusting the liquid adding speed of a first liquid adding device according to a difference value between a detection voltage U < measured > and a control voltage U < controlled > in an electrolytic bath, so that the first liquid adding device adds an electrolytic stock solution into the electrolytic bath in real time; therefore, the subacid electrolyzed water with controllable and stable concentration is prepared; the device comprises an electrolytic stock solution storage device, an electrolytic bath and a first mixer which are sequentially connected, a first liquid adding device is connected between the electrolytic stock solution storage device and the electrolytic bath in series, and the electrolytic bath is connected with a current and voltage control unit and a current and voltage detection unit. According to the method and the device for preparing the subacid electrolyzed water with the controllable and stable concentration, provided by the invention, the defects of uncontrollable and unstable concentration and low effective power of the existing subacid electrolyzed water preparation are overcome.

Description

technical field [0001] The invention relates to the field of slightly acidic electrolyzed water, in particular to a method and device for preparing slightly acidic electrolyzed water with a controllable and stable concentration. Background technique [0002] Hypochlorous acid is a strong oxidizing agent that can kill bacteria in water, so chlorine gas (0.002g chlorine gas is introduced into 1L of water) is often used for disinfection in tap water. Hypochlorous acid can fade dyes and organic colors, and is generally used as a bleaching agent, oxidizing agent, deodorant and disinfectant. In biology, hypochlorous acid is used by neutrophils to kill bacteria, and it is widely used in chlorine-based disinfectant products. At present, hypochlorous acid is mainly produced in the following way: dilute hydrochloric acid is electrolyzed through an electrolysis device, and chlorine gas and hydrogen gas are generated after electrolysis, and then chlorine gas is dissolved in water to ge...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/461
CPCC02F1/46104C02F2209/42C02F2209/02C02F2201/002
Inventor 徐益武陈佩丰陈泽锋
Owner NINGBO C F ELECTRONICS TECH CO LTD
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