CN221071666U

CN221071666U - Electrolytic tank with electrode type conductivity sensor

Info

Publication number: CN221071666U
Application number: CN202322753097.0U
Authority: CN
Inventors: 仝武纳; 郭浩; 赵超群
Original assignee: Xi'an Zhongnuo Industrial Automation Technology Co ltd
Current assignee: Xi'an Zhongnuo Industrial Automation Technology Co ltd
Priority date: 2023-10-13
Filing date: 2023-10-13
Publication date: 2024-06-04
Anticipated expiration: 2033-10-13

Abstract

The utility model discloses an electrolytic tank with an electrode type conductivity sensor, relates to the technical field of electrolytic processes, and aims to solve the problems that the existing method for adjusting the flow of saturated brine by arranging a salinity meter and a flowmeter through arranging a dilute brine proportioning device is low in control accuracy, low in electrolytic efficiency, high in energy consumption, unsatisfactory in stability and the like, and the application range of the process is limited to a certain extent. The upper end of the electrolytic tank is provided with a sealing cover; further comprises: the sensor controller is arranged at the front end of the electrolytic tank, an external bolt of the sensor controller is connected with the electrolytic tank through threads, and one end of the sensor controller is provided with a conductivity sensor; the opening, it sets up the upper surface of sealed lid, and opening and sealed lid structure as an organic whole, open-ended inside is provided with transparent observation board, transparent observation board's outer wall is provided with the sealing washer, and transparent observation board passes through the sealing washer card in the opening, open-ended one side inner wall is provided with the suspension seat.

Description

Electrolytic tank with electrode type conductivity sensor

Technical Field

The utility model relates to the technical field of electrolytic processes, in particular to an electrolytic tank with an electrode type conductivity sensor.

Background

The disinfection is an essential link in the drinking water treatment process, but the sodium hypochlorite disinfection method in the chemical disinfection method has better development prospect because of having good disinfection effect and safety, the electrolysis preparation sodium hypochlorite has the advantages of simple and economical reaction device, simple and easily available electrolysis raw materials and the like, and the concentration and flow state of the dilute brine in the electrolysis process have great influence on the efficiency of the electrolysis tank, so that the stable dilute brine proportioning and conveying device is very important, generally, a dilute brine proportioning device is arranged to be provided with a salinity meter and a flowmeter, and the saturated brine flow is automatically regulated through the signal feedback of the salinity meter so as to ensure the salinity stability of the dilute brine entering the electrolysis tank, thus ensuring the uniformity of the dilute brine and providing guarantee for the operation of a generator.

However, the existing method for adjusting the flow of saturated brine by arranging a salinity meter and a flowmeter through arranging a dilute brine proportioning device has the defects of low control accuracy, low electrolysis efficiency, high energy consumption, unsatisfactory stability and the like, so that the application range of the process is limited to a certain extent; thus, the existing demand is not met, for which we propose an electrolytic cell with an electrode-type conductivity sensor.

Disclosure of utility model

The utility model aims to provide an electrolytic tank with an electrode type conductivity sensor, so as to solve the problems that the prior art provided in the prior art is provided with a salinity meter and a flowmeter to regulate the flow of saturated brine, the control accuracy is insufficient, the electrolytic efficiency is low, the energy consumption is high, the stability is unsatisfactory, and the like, and the application range of the process is limited to a certain extent.

In order to achieve the above purpose, the present utility model provides the following technical solutions: an electrolytic cell with an electrode-type conductivity sensor, comprising: the upper end of the electrolytic tank is provided with a sealing cover;

Further comprises:

The sensor controller is arranged at the front end of the electrolytic tank, an external bolt of the sensor controller is connected with the electrolytic tank through threads, and one end of the sensor controller is provided with a conductivity sensor;

The opening, it sets up the upper surface of sealed lid, and opening and sealed lid structure as an organic whole, open-ended inside is provided with transparent observation board, transparent observation board's outer wall is provided with the sealing washer, and transparent observation board passes through the sealing washer card in the opening.

Preferably, a hanging seat is arranged on the inner wall of one side of the opening, and the hanging seat is in hot melting connection with the sealing cover.

Preferably, handles are arranged on the upper surfaces of the two sides of the transparent observation plate, and the handles are connected with the transparent observation plate in a hot melting mode.

Preferably, an ion exchange membrane is arranged in the electrolytic tank, a cathode is arranged on one side of the ion exchange membrane, and an anode is arranged on the other side of the ion exchange membrane.

Preferably, a first gas outlet is formed in one side of the cathode, a second gas outlet is formed in one side of the anode, and the first gas outlet, the second gas outlet and the sealing cover are of an integrated structure.

Preferably, one side of electrolysis trough is provided with first discharge pipe, the opposite side of electrolysis trough is provided with the second discharge pipe, and first discharge pipe and second discharge pipe and electrolysis trough are all integrated into one piece structure, one side of electrolysis trough lower extreme is provided with first access tube, the opposite side of electrolysis trough lower extreme is provided with the second access tube, and first access tube and second access tube and electrolysis trough are all integrated into one piece structure, the corner of electrolysis trough lower extreme all is provided with the supporting leg.

Preferably, fixing bolts are arranged at the corners of the sealing covers, and the sealing covers are in threaded connection with the electrolytic tank through the fixing bolts.

Compared with the prior art, the utility model has the beneficial effects that:

1. The utility model sets up the conductivity sensor in the electrolytic bath, regulate the saturated brine flow through setting up the conductivity sensor, further raise the control accuracy, raise the electrolytic efficiency, reduce the energy consumption, set up the sensor controller in the front end of the electrolytic bath, the conductivity analysis method is the electrochemical analysis method to analyze the content of the measured substance through measuring the conductivity of the solution, its basic principle based on is that the conductivity of the solution is related to concentration, movement speed and ionic charge number of various ions in the solution, its concrete practice is: placing the measured solution in a conductivity cell formed by two platinum electrodes with fixed areas and fixed distances, and measuring the conductivity of the solution, thereby calculating the content of the measured substance; the electrolytic solution often contains some other ions, when the ions discharge, a part of electric energy is consumed, and side reactions, charge leakage and other factors generated during electrolysis consume electric energy, so that the current efficiency is often less than 1 and is divided into cathode current efficiency and anode current efficiency; anode current efficiency: from the electrolytic reaction, the O2 precipitation reaction on the anode is a main electrochemical side reaction competing with the Cl2 precipitation reaction, and can reduce the anode current efficiency by 2-4%; the speed of this electrode reaction is related to the flow of electrode material, electrolyte; in addition, chlorine gas precipitated from the anode is partially dissolved in the anolyte to generate sodium hypochlorite and hydrochloric acid: when alkali generated at the cathode enters the anode liquid due to diffusion and the like, hypochlorous acid is neutralized to generate hypochlorite which is easy to dissociate: HClO+OH- & gtClO- +H2O, at this time hypochlorite will oxidize on the anode to form chlorate and separate out oxygen;

6ClO-+3H2O→2ClO3-+4Cl-+6H++3/2O2+6e-(1-13)；

In addition, HClO generated in the anolyte also undergoes chemical reactions to form chlorate: HClOH ++ ClO- (1-14);

2HClO+ClO-→ClO3-+2H++2Cl-(1-15)；

the conductivity of the solution is measured by the conductivity sensor, the content of ions to be measured is determined according to the quantitative relation between the conductivity and the concentration of the ions to be measured in the solution, the conductivity of the electrolyte is monitored in real time, and the flow of the saturated saline water entering the electrolytic tank is at a stable and reasonable level by combining the proportion relation of the conductivity and the saturated saline water, so that the side reaction in the electrolytic reaction process is reduced as much as possible, the current efficiency is further improved, and the purity stability of the finished product is ensured.

2. Through setting up the opening at sealed lid upper surface, set up at the opening inner wall and hang the seat, conductivity sensor passes and hangs the seat and put into inside the electrolysis trough, and the wire that conductivity sensor and sensor controller are connected just hangs on hanging the seat, when conductivity sensor damages, opens transparent observation board, takes out conductivity sensor through the wire of hanging, need not dismantle sealed lid, improves the convenience.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the internal structure of the electrolytic cell of the present utility model;

FIG. 3 is a schematic diagram of a conductivity sensor according to the present utility model;

FIG. 4 is a schematic view of the upper surface structure of the transparent viewing panel of the present utility model;

FIG. 5 is a schematic top view of the seal cap of the present utility model;

In the figure: 1. an electrolytic cell; 2. sealing cover; 3. support legs; 4. a cathode; 5. an anode; 6. a first gas outlet; 7. a second gas outlet; 8. a fixing bolt; 9. a first inlet tube; 10. a second inlet tube; 11. a first discharge pipe; 12. a second discharge pipe; 13. a sensor controller; 14. an opening; 15. a transparent viewing plate; 16. an ion exchange membrane; 17. a conductivity sensor; 18. a seal ring; 19. a handle; 20. and a hanging seat.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-5, an embodiment of the present utility model is provided: an electrolytic cell with an electrode-type conductivity sensor, comprising: the electrolytic tank 1, the upper end of the electrolytic tank 1 is provided with a sealing cover 2;

Further comprises:

The sensor controller 13 is arranged at the front end of the electrolytic tank 1, the sensor controller 13 is externally connected with a bolt in a threaded manner and is connected with the electrolytic tank 1, and one end of the sensor controller 13 is provided with a conductivity sensor 17;

The opening 14, it sets up the upper surface at sealed lid 2, and opening 14 and sealed lid 2 structure as an organic whole, and the inside of opening 14 is provided with transparent observation board 15, and the outer wall of transparent observation board 15 is provided with sealing washer 18, and transparent observation board 15 passes through sealing washer 18 card in opening 14.

The saturated brine flow is regulated by arranging the conductivity sensor 17, so that the control accuracy is further improved, the electrolysis efficiency is improved, the energy consumption is reduced, when the saturated brine flow is overlarge or overlarge, chlorine generated by an anode and alkali generated by a cathode are consumed due to side reaction, the current efficiency and the product purity are reduced, the saturated brine flow is regulated by the real-time data of conductivity, the OH-in the anode liquid is controlled, and the side reaction is reduced. Separating the anode and cathode products improves the current efficiency of the electrolysis process.

Referring to fig. 1 and 5, a hanging seat 20 is disposed on an inner wall of one side of the opening 14, and the hanging seat 20 is connected with the sealing cover 2 in a hot melting manner, when the conductivity sensor 17 is damaged, the transparent observation plate 15 is opened, the conductivity sensor 17 is taken out through a hanging wire, and the sealing cover 2 is not required to be disassembled, so that convenience is improved.

Referring to fig. 4, handles 19 are disposed on the upper surfaces of both sides of the transparent viewing plate 15, and the handles 19 are in thermal fusion connection with the transparent viewing plate 15, so as to facilitate removal of the transparent viewing plate 15.

Referring to fig. 2, an ion exchange membrane 16 is disposed in the electrolytic cell 1, a cathode 4 is disposed on one side of the ion exchange membrane 16, and an anode 5 is disposed on the other side of the ion exchange membrane 16 to perform chemical reaction.

Referring to fig. 2, a first gas outlet 6 is disposed on one side of the cathode 4, a second gas outlet 7 is disposed on one side of the anode 5, and the first gas outlet 6 and the second gas outlet 7 are integrally formed with the sealing cover 2 for gas discharge.

Referring to fig. 2, a first discharge pipe 11 is disposed on one side of an electrolytic tank 1, a second discharge pipe 12 is disposed on the other side of the electrolytic tank 1, the first discharge pipe 11, the second discharge pipe 12 and the electrolytic tank 1 are of an integrated structure, a first inlet pipe 9 is disposed on one side of the lower end of the electrolytic tank 1, a second inlet pipe 10 is disposed on the other side of the lower end of the electrolytic tank 1, the first inlet pipe 9, the second inlet pipe 10 and the electrolytic tank 1 are of an integrated structure, and supporting legs 3 are disposed at corners of the lower end of the electrolytic tank 1 for solution inlet and discharge.

Referring to fig. 1, fixing bolts 8 are disposed at corners of the sealing cover 2, and the sealing cover 2 is screwed with the electrolytic tank 1 by the fixing bolts 8 to fix the sealing cover 2.

Working principle: when in use, the conductivity sensor 17 passes through the hanging seat 20 to be placed in the electrolytic tank 1, the lead wire connected with the conductivity sensor 17 and the sensor controller 13 is hung on the hanging seat 20, the sealing cover 2 is covered, the transparent observation plate 15 is clamped in the opening 14 through the sealing ring 18 and is convenient for personnel to observe the internal condition of the electrolytic tank 1 from the transparent observation plate 15, when the conductivity sensor 17 is damaged, the transparent observation plate 15 is opened, the conductivity sensor 17 is taken out through the hung lead wire without dismantling the sealing cover 2, the convenience is improved, the solution enters the electrolytic tank 1 from the first inlet pipe 9 and the second inlet pipe 10, the cathode 4 and the anode 5 are electrified, the solution is conducted, the ion exchange is carried out through the ion exchange membrane 16, the gas is discharged from the first gas outlet 6 and the second gas outlet 7, the conductivity sensor 17 is combined with the singlechip technology and the microsystem technology to realize the automation of conductivity measurement, the flow of saturated saline water is regulated by the real-time data of the conductivity measurement, so that the electrolysis is stable and efficient, when the flow of the saturated saline water is in overlarge or overlarge small state, chlorine generated by an anode and alkali generated by a cathode are consumed due to side reaction, the current efficiency and the product purity are reduced, the flow of the saturated saline water is regulated by the real-time data of the conductivity, OH-in an anode liquid is controlled, the side reaction is reduced, the anode and cathode products are separated, and the current efficiency of the electrolysis process is improved.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. An electrolytic cell with an electrode type conductivity sensor comprises an electrolytic cell (1), wherein a sealing cover (2) is arranged at the upper end of the electrolytic cell (1);

the method is characterized in that: further comprises:

The sensor controller (13) is arranged at the front end of the electrolytic tank (1), an external bolt of the sensor controller (13) is in threaded connection with the electrolytic tank (1), and one end of the sensor controller (13) is provided with a conductivity sensor (17);

The opening (14) is arranged on the upper surface of the sealing cover (2), the opening (14) and the sealing cover (2) are of an integrated structure, a transparent observation plate (15) is arranged in the opening (14), a sealing ring (18) is arranged on the outer wall of the transparent observation plate (15), and the transparent observation plate (15) is clamped in the opening (14) through the sealing ring (18).

2. An electrolytic cell with an electrode-type conductivity sensor according to claim 1, characterized in that: a hanging seat (20) is arranged on the inner wall of one side of the opening (14), and the hanging seat (20) is in hot melting connection with the sealing cover (2).

3. An electrolytic cell with an electrode-type conductivity sensor according to claim 1, characterized in that: the upper surfaces of two sides of the transparent observation plate (15) are provided with handles (19), and the handles (19) are connected with the transparent observation plate (15) in a hot melting mode.

4. An electrolytic cell with an electrode-type conductivity sensor according to claim 1, characterized in that: an ion exchange membrane (16) is arranged in the electrolytic tank (1), a cathode (4) is arranged on one side of the ion exchange membrane (16), and an anode (5) is arranged on the other side of the ion exchange membrane (16).

5. An electrolytic cell with an electrode-type conductivity sensor according to claim 4, wherein: one side of the cathode (4) is provided with a first gas outlet (6), one side of the anode (5) is provided with a second gas outlet (7), and the first gas outlet (6) and the second gas outlet (7) are of an integrated structure with the sealing cover (2).

6. An electrolytic cell with an electrode-type conductivity sensor according to claim 1, characterized in that: one side of electrolysis trough (1) is provided with first discharge pipe (11), the opposite side of electrolysis trough (1) is provided with second discharge pipe (12), and first discharge pipe (11) and second discharge pipe (12) are all as an organic whole structure with electrolysis trough (1), one side of electrolysis trough (1) lower extreme is provided with first access tube (9), the opposite side of electrolysis trough (1) lower extreme is provided with second access tube (10), and first access tube (9) and second access tube (10) are all as an organic whole structure with electrolysis trough (1), the corner of electrolysis trough (1) lower extreme all is provided with supporting leg (3).

7. An electrolytic cell with an electrode-type conductivity sensor according to claim 1, characterized in that: the corners of the sealing covers (2) are provided with fixing bolts (8), and the sealing covers (2) are in threaded connection with the electrolytic tank (1) through the fixing bolts (8).