CN215953447U

CN215953447U - Novel industrial online ph electrode

Info

Publication number: CN215953447U
Application number: CN202121972217.0U
Authority: CN
Inventors: 陈永俊
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-21
Filing date: 2021-08-21
Publication date: 2022-03-04
Anticipated expiration: 2031-08-21

Abstract

The utility model relates to the technical field of sewage source water quality online detection, in particular to a novel industrial online ph electrode, which comprises a connecting block and an electrode tube, wherein the inside of the connecting block is spirally connected with the electrode tube, one end of the electrode tube is fixedly connected with a glass ball membrane, a buffer solution is arranged inside the glass ball membrane, a permeable salt bridge is arranged inside the electrode tube, a measuring electrode and a temperature control electrode are arranged inside the electrode tube and the glass ball membrane, the connecting block is penetratingly connected with the outside of the measuring electrode and the temperature control electrode, and an external reference electrode is embedded at one side inside of the electrode tube. The production cost is saved for users, the operation of the electrode is simple and easy, and the electrode is easy to produce.

Description

Novel industrial online ph electrode

Technical Field

The utility model relates to the technical field of sewage source water quality online detection, in particular to a novel industrial online ph electrode.

Background

At present, in the operation process of a pollution source water quality on-line monitoring system, a water quality on-line pH analyzer carries out real-time on-line measurement, a glass electrode is soaked in water for a long time and is very easy to be attached to the surface of the electrode by organic matters in the water, the electrode cannot be fully contacted with a measuring body, an electrolyte is influenced to generate a signal loop, the pH on-line data is abnormal, and an on-line pH meter simplifies the function on the basis of ensuring the performance, so that the on-line pH meter has the advantage of price, has high cost performance due to clear display, simple operation and excellent test performance, and can be widely applied to the continuous monitoring of the pH value in solutions such as thermal power, chemical fertilizers, metallurgy, environmental protection, pharmacy, biochemistry, food, tap water and the like.

In the prior art, the online ph electrode is polluted by the external environment in the using process, so that external impurities enter the inside of the electrode device, the using efficiency is influenced, and meanwhile, when the online ph electrode is used, the operation of the existing electrode device is complex, and the production cost is increased.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a novel industrial in-line ph electrode to solve the problems set forth in the background above.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a novel online ph electrode of industry, includes connecting block and electrode tube, the inside screwed connection of connecting block has the electrode tube, and the one end fixedly connected with glass ball membrane of electrode tube, the inside of glass ball membrane is equipped with buffer solution, and the inside of electrode tube is equipped with the osmotic salt bridge, the inside of electrode tube and glass ball membrane all is equipped with measuring electrode and control by temperature change electrode, and the outside through connection of measuring electrode and control by temperature change electrode has the connecting block, outer reference electrode has been inlayed to inside one side of electrode tube.

Preferably, the connecting block is externally provided with a first thread groove and a second thread groove which are vertically arranged, the thread pitches of the first thread groove and the second thread groove are the same, and the connecting block is spirally connected with the outside through the first thread groove and the second thread groove.

Preferably, a third thread groove is formed in the lower side of the connecting block, and the connecting block is in spiral connection with the electrode tube through the third thread groove.

Preferably, the outer parts of the upper sides of the measuring electrode and the temperature control electrode are closely contacted with sealing rings, the outer parts of the sealing rings are closely contacted with connecting blocks, and the connecting blocks are made of polyurethane rubber blocks.

Preferably, the buffer solution is made of a phosphate buffer, and the permeate salt bridge is made of a zirconia permeate salt bridge.

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

1. in the utility model, the ph electrode adopts a double-salt bridge structure, continuous detection is not influenced even if a medium enters a capacitor cavity, temperature compensation is arranged in the cavity, online measurement is more comprehensive and accurate, the service life of the electrode is prolonged to a great extent compared with the traditional ph electrode, the production cost is saved for a user, and the electrode is easy to operate and easy to produce.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view showing the internal structure of the electrode tube according to the present invention;

FIG. 3 is a schematic view of the structure at A in FIG. 1 according to the present invention.

In the figure: 1-connecting block, 101-first thread groove, 102-second thread groove, 103-third thread groove, 104-sealing ring, 2-electrode tube, 201-measuring electrode, 202-permeable salt bridge, 203-buffer solution, 204-glass ball membrane, 205-external reference electrode, 206-temperature control electrode.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution:

the utility model provides a novel online ph electrode of industry, including connecting block 1 and electrode tube 2, the inside spiral connection of connecting block 1 has electrode tube 2, and electrode tube 2's one end fixedly connected with glass ball membrane 204, the inside of glass ball membrane 204 is equipped with buffer solution 203, and electrode tube 2's inside is equipped with osmotic salt bridge 202, electrode tube 2 and glass ball membrane 204's inside all is equipped with measuring electrode 201 and control by temperature change electrode 206, and the outside through connection of measuring electrode 201 and control by temperature change electrode 206 has connecting block 1, outer reference electrode 205 has been inlayed to inside one side of electrode tube 2.

The connecting block 1 is externally provided with a first thread groove 101 and a second thread groove 102 which are vertically arranged, the thread pitches of the first thread groove 101 and the second thread groove 102 are the same, the connecting block 1 is spirally connected with the outside through the arranged first thread groove 101 and the second thread groove 102, and the connecting block 1 is fixedly connected with the outside through the matching between the arranged first thread groove 101 and the second thread groove 102, so that the connecting block 1 is fixed, and the whole connecting block 1 can be easily disassembled or assembled; a third thread groove 103 is formed in the lower side of the connecting block 1, the connecting block 1 is in threaded connection with the electrode tube 2 through the third thread groove 103, the electrode tube 2 is convenient to install and connect with the connecting tube 1 through the third thread groove 103, and meanwhile, the permeable salt bridge 2 and the buffer solution 203 in the electrode tube 2 can be added and replaced conveniently; the outer parts of the upper sides of the measuring electrode 201 and the temperature control electrode 206 are closely contacted with a sealing ring 104, the outer part of the sealing ring 104 is closely contacted with a connecting block 1, the connecting block 1 is made of a polyurethane rubber block, the measuring electrode 201 and the temperature control electrode 206 are sealed through the arranged sealing ring 104, and the leakage of a permeable salt bridge 202 and a buffer solution 203 is prevented from affecting the using effect in the using process; buffer solution 203 is formed by the preparation of phosphate buffer, and permeate salt bridge 202 is formed by the preparation of zirconia permeate salt bridge, buffer solution 203 through setting up is formed by the preparation of phosphate buffer, the resistant buffer capacity of ph electrode has been strengthened to a great extent, utilize permeate salt bridge 202 to form by the preparation of zirconia permeate salt bridge simultaneously, the medium of being convenient for carries out ion exchange, silver chloride reference electrode is installed in the glass exocoel, adopt the little infiltration technique of closed, can provide stable, independent electric potential, the rear end has connecting wire to draw forth, improve on-line measuring's efficiency.

The working process is as follows: when in use, firstly, the cavity end at the front end of the electrode tube 2 is provided with the glass ball membrane 204, the rear end of the glass ball membrane 204 is provided with a conical super-large capacity pool, the pool is internally provided with a buffer 203 made of phosphate and is 2 times of the common ph electrode, the buffer resistance of the ph electrode is enhanced to a great extent, the upper end of the conical capacity pool is provided with a permeable salt bridge 202 made of zirconium oxide, the medium is convenient for ion exchange, an external reference electrode 205 is arranged at one side of the electrode tube 2, a closed micro-penetration technology is adopted, a stable and independent electric potential can be provided, the rear end is provided with a connecting lead to be led out, the efficiency of online measurement is improved, when in use, the electrode tube 2 is convenient to be installed and connected with the connecting tube 1 through the arranged third thread groove 103, meanwhile, the addition and the replacement of the permeable salt bridge 2 and the buffer solution 203 in the electrode tube 2 are convenient, and the cooperation between the arranged first thread groove 101 and the second thread groove 102 is utilized, be convenient for connecting block 1 and outside fixed connection to be convenient for to connecting block 1's fixed, make connecting seat 1 whole easily to dismantle or install.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel online ph electrode of industry, includes connecting block (1) and electrode tube (2), its characterized in that: the inside spiral connection of connecting block (1) has electrode tube (2), and the one end fixedly connected with glass ball membrane (204) of electrode tube (2), the inside of glass ball membrane (204) is equipped with buffer solution (203), and the inside of electrode tube (2) is equipped with permeate salt bridge (202), the inside of electrode tube (2) and glass ball membrane (204) all is equipped with measuring electrode (201) and control by temperature change electrode (206), and the outside through connection of measuring electrode (201) and control by temperature change electrode (206) has connecting block (1), outer reference electrode (205) have been inlayed to inside one side of electrode tube (2).

2. A novel industrial on-line ph electrode as claimed in claim 1 wherein: the connecting block is characterized in that a first thread groove (101) and a second thread groove (102) which are vertically arranged are arranged outside the connecting block (1), the thread pitches of the first thread groove (101) and the second thread groove (102) are the same, and the connecting block (1) is spirally linked with the outside through the first thread groove (101) and the second thread groove (102).

3. A novel industrial on-line ph electrode as claimed in claim 1 wherein: and a third thread groove (103) is formed in the lower side of the connecting block (1), and the connecting block (1) is in threaded connection with the electrode tube (2) through the arranged third thread groove (103).

4. A novel industrial on-line ph electrode as claimed in claim 1 wherein: the outside of the upper sides of the measuring electrode (201) and the temperature control electrode (206) are in close contact with a sealing ring (104), the outside of the sealing ring (104) is in close contact with a connecting block (1), and the connecting block (1) is made of a polyurethane rubber block.

5. A novel industrial on-line ph electrode as claimed in claim 1 wherein: the buffer solution (203) is made of a phosphate buffer, and the permeate salt bridge (202) is made of a zirconia permeate salt bridge.