CN206616276U - A kind of electrolysis chlorine dioxide generator - Google Patents

Abstract

The utility model proposes an electrolytic chlorine dioxide generator, which includes a reaction vessel and several electrolytic cells with a hollow structure in the reaction vessel; a cathode chamber and an anode chamber in the electrolytic cell; the reaction vessel is provided with tap water inlets and Electrolytic salt solution inlet; the bottom of the electrolytic cell has a first slope from the middle to the cathode chamber side, and a second slope from the middle to the anode chamber side; at the lowest point of the first slope at the bottom of the cathode chamber The cathodic chamber is drained, and the bottom of the anode chamber is provided with an anode chamber drain; the lower part of the reaction vessel is provided with a hydrogen outlet and a sodium hydroxide outlet. The utility model has reasonable structural design, safe and convenient use, and high reliability. The circulation pump is used to fully stir and fuse the electrolytic salt solution to ensure the reaction efficiency. The ion exchange resin soft water processor can effectively filter out soluble calcium, magnesium compounds and other substances in tap water. Effectively ensure the concentration of chlorine dioxide produced.

Description

An electrolytic chlorine dioxide generator

technical field

The utility model relates to the technical field of electrolysis devices, in particular to an electrolysis chlorine dioxide generator.

Background technique

The electrolytic chlorine dioxide generator is produced by introducing advanced production technology from the United States in the 1990s. After localization and serialization, it is produced through technical improvement and upgrading on the basis of the original series of products. Although it has realized automatic control and operation, it can be produced according to the prior It runs automatically at the set startup and shutdown time. During operation, it can automatically monitor the temperature of the cooling electrolysis and automatically discharge the waste lye at regular intervals. However, the electrolysis efficiency of the electrolytic cell used has certain limitations, and the controllability is not high. The effect is not ideal, because industrial salt is usually used as the electrolytic raw material, and the disinfection components generated in the anode chamber include chlorine dioxide, chlorine gas, ozone and hydrogen peroxide, etc. The purity of chlorine oxide is not high, and its yield is lower, and quality is poorer, also exists the defect that waste caustic lye is discharged incompletely simultaneously.

Contents of the invention

The utility model aims at overcoming the defects in the above-mentioned prior art, and proposes an electrolytic chlorine dioxide generator.

The technical scheme of the utility model is achieved in that:

An electrolytic chlorine dioxide generator, comprising a reaction vessel and several electrolytic cells with a hollow structure in the reaction vessel; the inside of the electrolytic cell is separated by a diaphragm into a cathode chamber filled with softened tap water and an anode for electrolytic salt solution chamber; the reaction vessel is provided with a tap water inlet and an electrolytic salt solution inlet, the cathode chamber of each electrolytic cell is connected to the tap water inlet through a hose, and the anode chamber is connected to the electrolytic salt solution inlet through a hose ; The bottom of the electrolytic cell has a first slope from the middle to the cathode chamber side, and a second slope from the middle to the anode chamber side; the cathode chamber drain is provided at the lowest point of the first slope at the bottom of the cathode chamber The lowest part of the second slope at the bottom of the anode chamber is provided with a discharge port for the anode chamber; the lower part of the reaction vessel is provided with a hydrogen outlet and a sodium hydroxide outlet.

Further, the sodium hydroxide outlet is below the hydrogen outlet.

Further, the lower part of the reaction vessel has an inclined plane, and the sodium hydroxide outlet is located at the lowest point of the inclined plane.

Further, the tap water inlet and the electrolytic salt solution inlet of the reaction vessel are respectively provided with a metering pump.

Further, the reaction vessel is provided with an ion exchange resin water softener, the water inlet of which is connected to the tap water supply pipe, and the water outlet is connected to the tap water inlet of the reaction vessel.

Further, the reaction vessel is provided with a salt dissolving device, which includes a circulation pump and a salt tank filled with a solution containing sodium chloride and sodium chlorite, and the liquid inlet and outlet of the circulation pump are The connected hoses all extend below the liquid level in the salt tank; the salt tank is connected to the liquid inlet of the electrolytic salt solution through a pipeline, and a sewage outlet is provided at the bottom.

Adopt above-mentioned technical scheme, the beneficial effect of the utility model is:

The utility model has reasonable structural design, safe, convenient and reliable use, uses the circulation pump to fully stir and fuse the electrolytic salt solution to ensure the reaction efficiency, and the ion exchange resin soft water processor can effectively filter out soluble calcium, magnesium compounds and other substances in tap water, effectively The concentration of chlorine dioxide produced is guaranteed.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without any creative effort.

Fig. 1 is the structural representation of the utility model.

Among them: 1-reaction vessel; 2-electrolyzer; 3-diaphragm; 4-cathode chamber; 5-anode chamber; 6-tap water inlet; 7-electrolytic salt solution inlet; Two slopes; 10-cathode chamber drain; 11-anode chamber drain; 12-hydrogen outlet; 13-sodium hydroxide outlet; 14-metering pump; 15-water inlet; 16-water outlet; 17-circulation pump ; 18-salt tank; 19-sewage outlet.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

An electrolytic chlorine dioxide generator, as shown in Figure 1, includes a reaction vessel 1, several electrolytic cells 2 with a hollow structure in the reaction vessel 1; The cathode chamber 4 of tap water and the anode chamber 5 of the electrolytic salt solution; the reaction vessel 1 is provided with a tap water inlet 6 and an electrolytic salt solution inlet 7, and the cathode chamber of each electrolyzer 2 is connected with the tap water inlet by a flexible pipe. The anode chamber is connected with the electrolytic salt solution inlet through a hose.

The bottom of the electrolytic cell 2 has a first slope 8 from the middle to the cathode chamber side, and a second slope 9 from the middle to the anode chamber side; the lowest point of the first slope 8 at the bottom of the cathode chamber is provided with a cathode Chamber drain port 10, the lowest point of the second slope 9 at the bottom of the anode chamber is provided with an anode chamber drain port 11, tap water and electrolytic salt solution can be discharged more thoroughly, and no impurities will be deposited at the bottom of the electrolytic cell to ensure that the produced during the reaction process Chlorine dioxide concentration is high.

In addition, the lower part of the reaction vessel 1 is provided with a hydrogen outlet 12 and a sodium hydroxide outlet 13 . Above-mentioned sodium hydroxide outlet 13 is below described hydrogen outlet 12, and hydrogen density is little, discharges from above sodium hydroxide.

It should be pointed out that the above-mentioned electrolytic cell is a closed structure, and the chlorine dioxide disinfection gas produced will not leak into the environment and will not pollute the environment. At the same time, the cathode chamber is completely separated from the air during the electrolysis process, and the generated There is no danger of explosion in the hydrogen gas, and the safety is greatly improved.

The lower part of the reaction vessel 1 has an inclined surface, and the sodium hydroxide outlet 13 is located at the lowest point of the inclined surface, so that the sodium hydroxide can be discharged more thoroughly and the operation is convenient.

The tap water inlet 6 and the electrolytic salt solution inlet 7 of the reaction vessel 1 are provided with a metering pump 14 respectively, which can accurately control the supply of tap water and electrolytic salt solution.

The reaction vessel 1 is provided with an ion exchange resin water softener, its water inlet 15 is connected to a tap water supply pipe, and its water outlet 16 is connected to the tap water inlet 6 of the reaction vessel. The ion exchange resin water softener can effectively filter out soluble calcium, magnesium compounds and other substances in tap water, improve the efficiency of electrolysis, and effectively ensure the concentration of chlorine dioxide produced.

The above-mentioned reaction vessel 1 is provided with a salt-dissolving device, which comprises a circulation pump 17 and a salt tank 18 containing sodium chloride and sodium chlorite solution, the liquid inlet and outlet of the circulation pump 17 The hoses connected on the mouth all extend below the liquid level in the brine tank; the brine tank 18 is connected to the liquid inlet 7 of the electrolytic salt solution through a pipeline, and the bottom is provided with a sewage outlet 19, and the waste liquid is discharged from the sewage outlet. Timed discharge.

In the utility model, the electrolytic cell is a closed structure, and the chlorine dioxide disinfection gas produced will not leak into the environment, and will not pollute the environment. At the same time, the cathode chamber is completely separated from the air during the electrolysis process, and the produced hydrogen will not There is a danger of explosion, and the safety is greatly improved. Therefore, it is safe, convenient and reliable to use. The circulating pump is used to fully stir and fuse the electrolytic salt solution to ensure the reaction efficiency, and at the same time, the chlorine dioxide generated has a high purity.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model shall be included in the Within the protection scope of the present utility model.

Claims (6)

1. An electrolytic chlorine dioxide generator is characterized in that: several electrolytic cells with hollow structure are included in the reaction vessel and the reaction vessel; the inside of the electrolytic cell is divided into cathode compartments filled with softened tap water, And the anode chamber of the electrolytic salt solution; the reaction vessel is provided with a tap water inlet and an electrolytic salt solution inlet, the cathode chamber of each electrolytic cell is connected with the tap water inlet through a hose, and the anode chamber is connected with the electrolysis chamber through a hose. The salt solution inlet is connected; the bottom of the electrolytic cell has a first slope from the middle to the cathode chamber side, and a second slope from the middle to the anode chamber side; at the lowest point of the first slope at the bottom of the cathode chamber A cathode chamber drain port is provided, and an anode chamber drain port is provided at the lowest point of the second slope at the bottom of the anode chamber; a hydrogen outlet and a sodium hydroxide outlet are provided at the lower part of the reaction vessel. 2. A kind of electrolytic chlorine dioxide generator according to claim 1, characterized in that: the sodium hydroxide outlet is below the hydrogen outlet. 3. An electrolytic chlorine dioxide generator according to claim 1, characterized in that: the lower part of the reaction vessel has an inclined plane, and the sodium hydroxide outlet is located at the lowest point of the inclined plane. 4. The electrolytic chlorine dioxide generator according to claim 1, characterized in that: the tap water inlet and the electrolytic salt solution inlet of the reaction vessel are respectively provided with a metering pump. 5. A kind of electrolytic chlorine dioxide generator according to claim 1 or 4, it is characterized in that: said reaction vessel is provided with ion exchange resin soft water processor, its water inlet is connected to tap water supply pipe, and the water outlet is connected to The tap water inlet of the reaction vessel. 6. A kind of electrolytic chlorine dioxide generator according to claim 1 or 4, it is characterized in that: said reaction vessel is provided with dissolving salt device, and this dissolving device comprises circulation pump, and contains chlorine dioxide containing chlorine. The salt box of sodium and sodium chlorite solution, the hoses connected to the liquid inlet and outlet of the circulating pump all extend below the liquid level in the salt box; The salt solution inlet is connected, and the bottom is provided with a sewage outlet.