CN212483444U - Electrolytic cell for testing methanol - Google Patents
Electrolytic cell for testing methanol Download PDFInfo
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- CN212483444U CN212483444U CN202021428482.8U CN202021428482U CN212483444U CN 212483444 U CN212483444 U CN 212483444U CN 202021428482 U CN202021428482 U CN 202021428482U CN 212483444 U CN212483444 U CN 212483444U
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- electrolytic cell
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Abstract
The utility model provides an electrolytic cell for testing methanol, which comprises an electrolytic cell cup body, an auxiliary electrode, a salt bridge pool, an air inlet pipe and a liquid seal; the air inlet pipe, the liquid seal and the salt bridge tank are respectively connected with the electrolytic tank cup body to be integrally formed; the electrolytic cell cup body is fixedly connected with the working electrode through an inner ground, a necking is arranged at the joint of the air inlet pipe and the electrolytic cell cup body, a necking is arranged at the joint of the salt bridge cell and the electrolytic cell cup body, the salt bridge cell is fixedly connected with a reference electrode groove through the inner ground, the reference electrode groove is connected with a reference electrode, and a two-way piston is arranged on the reference electrode groove; the auxiliary electrode is a platinum black sheet and is welded with a platinum wire, and the other end of the platinum wire is sintered on the inner wall of the electrolytic cell cup body; the working electrode is a graphene electrode; the reference electrode is a saturated calomel electrode. The utility model has the advantages of simple structure, reasonable design, small volume and convenient gas control; the electrolytic cell, the electrode and the liquid seal are detachably connected by adopting ground ports, so that the electrolytic cell is convenient to mount and clean.
Description
Technical Field
The utility model relates to an electrolytic cell field, concretely relates to electrolytic cell for testing methyl alcohol.
Background
Methanol can be tested in a laboratory by an electrochemical test method, and an electrolytic cell design is one of very important experimental facilities in the methanol test.
At present, the commonly used electrolytic cell usually adopts the design that the air inlet is directly connected with the electrolytic cell, the ventilation is not easy to control, and a lot of inconvenience is brought to the experimental operation. In addition, the reference electrode of most cells is typically in direct contact with the electrolyte in the cell cup, which can be a significant challenge to testing. In view of this, the present invention is especially provided.
Disclosure of Invention
The utility model aims to provide an electrolytic cell for testing methanol, which solves the problems of the prior art.
In order to achieve the above purpose, the solution of the present invention is:
an electrolytic cell for testing methanol is characterized by comprising an electrolytic cell cup body (1), an auxiliary electrode (2), a salt bridge pool (3), an air inlet pipe (4) and a liquid seal (5); the gas inlet pipe, the liquid seal and the salt bridge pool are respectively connected with the electrolytic cell cup body to be integrally formed; the upper part of the electrolytic cell cup body is provided with an inner grinding opening 1(6) and is fixedly connected with a working electrode (15) through the inner grinding opening 1, a necking 1(11) extending into the cup body is arranged at the joint of the air inlet pipe and the electrolytic cell cup body, a supporting nail 1(13) is arranged at the bottom of the air inlet pipe, a necking 2(10) extending into the cup body is arranged at the joint of the salt bridge pool and the electrolytic cell cup body, an inner grinding opening 2(9) is arranged at the upper part of the salt bridge pool and is fixedly connected with a reference electrode groove (7) through the inner grinding opening 2, a supporting nail 2(12) is arranged at the bottom of the salt bridge pool, the reference electrode groove is connected with a reference electrode (16), and a two-way piston (8) is arranged on the reference electrode groove; the auxiliary electrode is a platinum black sheet and is welded with a platinum wire (14), and the other end of the platinum wire is sintered on the inner wall of the electrolytic cell cup body; the working electrode is a graphene electrode; the reference electrode is a saturated calomel electrode.
Preferably, the electrolytic cell cup, the salt bridge cell, the reference electrode cell, the gas inlet pipe and the liquid seal are all made of boron-free and sodium-free glass materials.
Preferably, the two-way piston is made of a polytetrafluoroethylene material.
Compared with the conventional electrolytic cell, the utility model has the following gain effects: the electrolytic cell cup body and the main components are integrally formed, so that the electrolytic cell cup is simple in structure, reasonable in design and small in volume. The junction of the air inlet pipe and the electrolytic cell cup body and the junction of the salt bridge pool and the electrolytic cell cup body are provided with necking extending into the cup body, so that the control of gas is facilitated, and the electrolytic cell and the electrode are effectively prevented from being damaged by overlarge airflow. A bi-pass piston is arranged in the reference electrode groove and can be closed at any time, so that the diffusion of the electrolyte can be controlled conveniently; the reference electrode and the electrolytic cell cup body adopt a salt bridge, so that ion exchange can be accelerated, and the influence of the reference electrode on a measurement system can be reduced. The platinum black sheet of the auxiliary electrode is directly welded on the electrolytic cell cup body, so that the operation of the electrolytic cell can be simplified. Furthermore, the utility model discloses still have advantages such as easy operation and practical convenient.
Drawings
FIG. 1 is a schematic diagram of an electrolytic cell for testing methanol according to the present invention;
in the drawings: 1. the electrolytic cell comprises an electrolytic cell cup body, 2 parts of an auxiliary electrode, 3 parts of a salt bridge cell, 4 parts of an air inlet pipe, 5 parts of a liquid seal, 6 parts of an inner grinding opening 1, 7 parts of a reference electrode groove, 8 parts of a bi-pass piston, 9 parts of an inner grinding opening 2, 10 parts of a reducing opening 1, 11 parts of a reducing opening 2, 12 parts of a supporting nail 1, 13 parts of a supporting nail 2, 14 parts of a platinum wire, 15 parts of a working electrode and 16 parts of a reference electrode.
Detailed Description
The present invention will be further described with reference to the accompanying drawings to assist understanding of the invention.
Fig. 1 is a schematic structural diagram of an electrolytic cell for testing methanol according to the present invention, which includes an electrolytic cell cup, an auxiliary electrode, a salt bridge cell, an air inlet pipe, and a liquid seal; the gas inlet pipe, the liquid seal and the salt bridge pool are respectively connected with the electrolytic cell cup body to be integrally formed; an inner ground 1 is arranged on the upper part of the electrolytic cell cup body and is fixedly connected with a working electrode through the inner ground 1, a necking 1 extending into the cup body is arranged at the joint of the air inlet pipe and the electrolytic cell cup body, a supporting nail 1 is arranged at the bottom of the air inlet pipe, a necking 2 extending into the cup body is arranged at the joint of the salt bridge pool and the electrolytic cell cup body, an inner ground 2 is arranged at the upper part of the salt bridge pool and is fixedly connected with a reference electrode groove through the inner ground 2, a supporting nail 2 is arranged at the bottom of the salt bridge pool, the reference electrode groove is connected with a reference electrode, and a two-way piston is arranged on the reference electrode groove; the auxiliary electrode is a platinum black sheet and is welded with a platinum wire, and the other end of the platinum wire is sintered on the inner wall of the electrolytic cell cup body; the working electrode is a graphene electrode; the reference electrode is a saturated calomel electrode.
The electrolytic cell cup body, the salt bridge cell, the reference electrode groove, the air inlet pipe and the liquid seal are all made of boron-free sodium glass materials.
The two-way piston is made of polytetrafluoroethylene materials.
The electrolytic cell cup body consists of a cylindrical cup body with a sealed bottom and a cylindrical cup opening; wherein the diameter of the cylindrical cup body is 20mm, and the height of the cylindrical cup body is 60 mm; the inner grinding opening arranged at the upper part of the cylindrical cup opening is a No. 14 standard grinding opening.
The pipe diameter of the air inlet pipe is 10mm, the air inlet pipe is connected with the electrolytic cell cup body, the length of the vertical part of the air inlet pipe is 10mm, and the rest part of the air inlet pipe is parallel to the electrolytic cell cup body and has the length of 55 mm; the upper end of the air inlet pipe is provided with an air inlet, the length of a necking 1 which is arranged at the joint of the air inlet pipe and the electrolytic cell cup body and extends into the cup body is 5mm, and the pipe diameter is uniformly and gradually changed from 10mm to 2-3 mm.
The pipe diameter of the salt bridge pool is 13mm, the air inlet pipe is connected with the electrolytic cell cup body, the length of the vertical part of the air inlet pipe is 15mm, and the length of the remaining part of the air inlet pipe is 60mm and is parallel to the electrolytic cell cup body; the upper portion of cylindric rim of a cup sets up interior mill mouth for 10# standard mill mouth, salt bridge pond with the electrolysis trough of a cup body junction set up stretch into the length of the internal throat 2 of cup is 5mm, the pipe diameter is evenly gradually changed to 2-3mm from 10 mm.
The lower end of the reference electrode groove is connected with the salt bridge tank through a standard 10# outer ground, the height of the reference electrode groove is 30mm, and the pipe diameter is 13 mm.
The auxiliary electrode is a platinum sheet and is welded with a platinum wire; the length of the platinum sheet is 10mm, the width of the platinum sheet is 10mm, and the thickness of the platinum sheet is 0.5 mm; the length of the platinum wire is 15 mm.
When the methanol test is carried out, a sample to be tested containing methanol is prepared into a solution to be added into the cup body of the electrolytic cell, the electrolytic cell device is connected with the electrochemical workstation, and the test can be carried out by introducing a protective gas (such as nitrogen).
Claims (3)
1. An electrolytic cell for testing methanol is characterized by comprising an electrolytic cell cup body (1), an auxiliary electrode (2), a salt bridge pool (3), an air inlet pipe (4) and a liquid seal (5); the gas inlet pipe, the liquid seal and the salt bridge pool are respectively connected with the electrolytic cell cup body to be integrally formed; the upper part of the electrolytic cell cup body is provided with an inner grinding opening 1(6) and is fixedly connected with a working electrode (15) through the inner grinding opening 1, a necking 1(11) extending into the cup body is arranged at the joint of the air inlet pipe and the electrolytic cell cup body, a supporting nail 1(13) is arranged at the bottom of the air inlet pipe, a necking 2(10) extending into the cup body is arranged at the joint of the salt bridge pool and the electrolytic cell cup body, an inner grinding opening 2(9) is arranged at the upper part of the salt bridge pool and is fixedly connected with a reference electrode groove (7) through the inner grinding opening 2, a supporting nail 2(12) is arranged at the bottom of the salt bridge pool, the reference electrode groove is connected with a reference electrode (16), and a two-way piston (8) is arranged on the reference electrode groove; the auxiliary electrode is a platinum black sheet and is welded with a platinum wire (14), and the other end of the platinum wire is sintered on the inner wall of the electrolytic cell cup body; the working electrode is a graphene electrode; the reference electrode is a saturated calomel electrode.
2. The cell of claim 1, wherein the cell cup, the salt bridge cell, the reference electrode cell, the gas inlet tube and the liquid seal are made of boron-free and sodium-free glass materials.
3. The cell for testing methanol of claim 1 wherein the two-way piston is made of a polytetrafluoroethylene material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021428482.8U CN212483444U (en) | 2020-07-20 | 2020-07-20 | Electrolytic cell for testing methanol |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021428482.8U CN212483444U (en) | 2020-07-20 | 2020-07-20 | Electrolytic cell for testing methanol |
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| Publication Number | Publication Date |
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| CN212483444U true CN212483444U (en) | 2021-02-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021428482.8U Active CN212483444U (en) | 2020-07-20 | 2020-07-20 | Electrolytic cell for testing methanol |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113514514A (en) * | 2021-07-09 | 2021-10-19 | 厦门大学 | Electrolytic cell for carbon neutralization test and application thereof |
| CN113740395A (en) * | 2021-09-10 | 2021-12-03 | 厦门大学 | Electrolytic cell for electrochemical analysis and application thereof |
-
2020
- 2020-07-20 CN CN202021428482.8U patent/CN212483444U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113514514A (en) * | 2021-07-09 | 2021-10-19 | 厦门大学 | Electrolytic cell for carbon neutralization test and application thereof |
| CN113740395A (en) * | 2021-09-10 | 2021-12-03 | 厦门大学 | Electrolytic cell for electrochemical analysis and application thereof |
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