CN218330888U

CN218330888U - Oxygen-containing analyzer with electrode slice

Info

Publication number: CN218330888U
Application number: CN202220686355.0U
Authority: CN
Inventors: 李世银; 黄非凡; 徐同玲; 何宇潇
Original assignee: Guangzhou Jiangtong Copper Material Co ltd
Current assignee: Guangzhou Jiangtong Copper Material Co ltd
Priority date: 2022-03-28
Filing date: 2022-03-28
Publication date: 2023-01-17
Anticipated expiration: 2032-03-28

Abstract

The utility model provides an oxygen analyzer with electrode slice, including electrode stove and measuring device, the electrode stove includes electrode slice down for supply power to metal sample, lower electrode slice is the disc, is equipped with boss, a through-hole and cross recess in the middle of it. The electrode furnace further comprises: go up electrode piece, transformer, cooling device and application of sample device, measuring device includes catalytic furnace, infrared detector, year gas purifier, gas purifier and thermal conductivity detector, and oxygen analyzer still is equipped with touch display screen and electronic balance. The utility model provides an oxygen analyzer for measuring oxygen content in metal solution, its theory of operation is heating melting sample, makes in the sample surveyed the element and releases with gaseous form to send the detection cell through the gas circuit system and carry out the analysis and detection, this type of instrument requires that it will have sufficient power and keep tight encapsulation.

Description

Oxygen-containing analyzer with electrode slice

Technical Field

The utility model relates to a gas content measuring instrument technical field, in particular to oxygen analyzer with electrode slice.

Background

The oxygen analysis and measurement device is mostly applied to production lines, warehouses, laboratories and other occasions, and can quickly and accurately detect the oxygen content in the gas. An oxygen analyzer for measuring the oxygen content in metal solution features that the specimen is heated and molten to release the element to be measured in gas state, and the gas is passed through gas channel system to test pool for analysis and detection.

The oxygen analyzer adopts a graphite carbon resistance furnace to heat and melt a sample, and metal in the furnace is rapidly melted under the conditions of low voltage and high current by supplying power through an upper electrode plate and a lower electrode plate. However, in daily use, the phenomenon of copper splashing often can appear when testing the copper sample, causes electrode slice surface glutinous copper down, and the copper that accumulates for a long time splashes and can lead to graphite carbon to hinder the stove and can't accurately install in place, finally influences graphite carbon and hinders stove sealing performance, leads to the test result error to electrode slice below can test under need often changing.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides an oxygen analyzer with electrode plates.

The technical scheme of the utility model as follows:

the utility model provides an oxygen analyzer with electrode slice, includes electrode stove and measuring device, the electrode stove includes electrode slice down for supply power to metal sample, the electrode slice is the disc down, is equipped with boss, a through-hole and cross recess in the middle of it, electrode slice fixed connection down the electrode stove.

Further, the electrode furnace further comprises: go up electrode piece, transformer, cooling device and application of sample device. The upper electrode is used for supplying power to a metal sample, and the upper electrode plate is fixedly connected with the electrode furnace. The transformer is used for providing high current for the electrode furnace and is electrically connected with the electrode furnace. The sample adding device is used for adding a metal sample into the electrode furnace, the sample adding device is fixedly connected with the electrode furnace, and the cooling device is fixedly connected with the electrode furnace.

Further, cooling device still includes cooling water tank, heat dissipation case, water pump and valve, the electrode stove in proper order with heat dissipation case, cooling water tank, water pump and valve pass through the tube coupling.

Further, measuring device includes catalytic furnace, infrared detector, carrier gas clarifier, gaseous clarifier and thermal conductivity detector, carrier gas purifier in proper order with electrode stove, catalytic furnace, infrared detector, gaseous clarifier and thermal conductivity detector pass through the tube coupling. The catalytic furnace is used for reacting oxygen in the sample with carbon in the graphite to generate carbon monoxide and carbon dioxide. The infrared detector is used for detecting the oxygen content in the gas to be detected. The carrier gas purifier is used for filtering the oxygen-containing gas in the carrier gas. The gas purifier is used for removing oxygen-containing gas in the gas to be measured. The thermal conductivity detector is used for detecting the nitrogen content in the gas to be detected.

Furthermore, the heat dissipation box is fixedly provided with more than one fan for dissipating heat and cooling the cooling water.

Furthermore, the oxygen analyzer is also provided with an electronic balance for measuring the mass change of the metal sample, and the electronic balance is fixedly connected with the electronic furnace.

The utility model has the advantages that:

(1) The utility model has the characteristics of high sensitivity, good performance and wide measuring range;

(2) The lower electrode plate can effectively reduce metal liquid splashing when the metal sample piece is heated, the sealing performance when the electrode furnace is installed is guaranteed, and the detection accuracy is improved.

Description of the drawings:

fig. 1 is a front view of an oxygen analyzer having electrode plates according to the present invention;

FIG. 2 is a schematic view of the cooling device according to the present invention;

fig. 3 is a schematic connection diagram of the measuring device according to the present invention;

fig. 4 is a schematic structural view of the lower electrode plate of the present invention.

Reference numerals: 10. the electrode furnace, 11, a lower electrode plate, 111, a boss, 112, a through hole, 113, a cross slot, 12, an upper electrode plate, 13, a transformer, 14, a cooling device, 141, a cooling water tank, 142, a heat dissipation tank, 143, a water pump, 144, a valve, 145, a fan, 146, a water inlet, 147, a water outlet, 15, a sample adding device, 20, a measuring device, 21, a catalytic furnace, 22, an infrared detector, 23, a carrier gas purifier, 24, a gas purifier, 25, a thermal conductivity detector, 26, carrier gas, 27, mixed gas, 30, a touch display screen, and 40, an electronic balance.

Detailed Description

In order to make the utility model discloses a utility model purpose, technical scheme and technological effect are more clear and are understood, and it is right to combine specific embodiment below the utility model discloses do further explanation. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "provided," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 4, an oxygen analyzer with electrode plates comprises an electrode furnace 10 and a measuring device 20, wherein the electrode furnace 10 comprises a lower electrode plate 11 for supplying power to a metal sample, the lower electrode plate 11 is disc-shaped, a boss 111, a through hole 112 and a cross-shaped groove 113 are arranged in the middle of the lower electrode plate 11, and the lower electrode plate 11 is fixedly connected with the electrode furnace 10. According to the use characteristics of the lower electrode plate 11, the lower electrode plate 11 is smelted by adopting tungsten-copper alloy and then is machined, so that the obtained lower electrode plate 11 can effectively reduce copper splashing in the high-temperature heating process of the electrode furnace 10.

Specifically, the electrode furnace 10 further includes: an upper electrode plate 12, a transformer 13, a cooling device 14 and a sample adding device 15. The upper electrode is used for supplying power to a metal sample, and the upper electrode plate 12 is fixedly connected with the electrode furnace 10. The transformer 13 is used for supplying high current to the electrode furnace 10, and the transformer 13 is electrically connected with the electrode furnace 10. The sample adding device 15 is used for adding a metal sample into the electrode furnace 10, the sample adding device 15 is fixedly connected with the electrode furnace 10, and the cooling device 14 is fixedly connected with the electrode furnace 10.

Specifically, the cooling device 14 is configured to cool the electrode furnace 10, and further includes a cooling water tank 141, a heat dissipation tank 142, a water pump 143, and a valve 144, and the electrode furnace 10 is sequentially connected to the heat dissipation tank 142, the cooling water tank 141, the water pump 143, and the valve 144 through a pipeline. The valve 144 may be a water pipe valve or may be replaced by a pressure switch. The water channels sequentially flow from the cooling water tank 141 to the water pump 143, the valve 144 is opened, and then the cooling water flows through the electrode furnace 10, then flows to the heat dissipation tank 142 to dissipate heat of the water tubes, and finally flows back to the cooling water tank 141.

Specifically, the measuring device 20 includes a catalytic furnace 21, an infrared detector 22, a carrier gas purifier 23, a gas purifier 24, and a thermal conductivity detector 25, and the carrier gas purifier 23 is connected to the electrode furnace 10, the catalytic furnace 21, the infrared detector 22, the gas purifier 24, and the thermal conductivity detector 25 in sequence.

The catalytic furnace 21 is used to react oxygen in the sample with carbon in the graphite to generate carbon monoxide and carbon dioxide.

The carrier gas purifier 23 is used for filtering the oxygen-containing gas in the carrier gas, helium serves as the carrier gas in analysis, and micro water vapor, oil, water and particles in the gas flow are removed through a filter pipe in the carrier gas purifier 23, so that high-purity analysis gas is obtained.

The infrared detector 22 is used for detecting the oxygen content in the gas to be detected, the infrared detector 22 sends out an infrared signal with a specific wavelength, infrared light with the specific wavelength penetrates through the mixed gas, the concentration of carbon monoxide and carbon dioxide in the sample is obtained by detecting the signal intensity of the infrared signal which penetrates through the mixed gas and reaches the infrared detector, and the concentration is displayed according to percentage content.

The gas purifier 24 is used for removing oxygen-containing gas in the gas to be detected, and the mixed gas passes through the gas purifier 24, is absorbed by the alkali asbestos and the magnesium perchlorate, and then enters the thermal conductivity detector.

The thermal conductivity detector 25 detects the nitrogen content in the gas to be detected by using a thermal conductivity reference method, that is, the thermal conductivity of the carrier gas and the thermal conductivity of the gas to be detected are compared in the thermal conductivity detector 25, and the temperature and the resistance value in the detector are changed, so that a voltage signal is output to obtain the concentration of the gas to be detected.

Specifically, the heat dissipation box 142 is fixedly provided with at least one fan 145 for dissipating heat and cooling the cooling water.

Specifically, the oxygen analyzer further comprises an electronic balance 40 for measuring the mass change of the metal sample, and the electronic balance 40 is fixedly connected with the electrode furnace 10.

Specifically, the oxygen analyzer further includes a touch display screen 30 for inputting sample parameters and displaying detection parameters and detection results.

The utility model discloses a theory of operation: the transformer 13 provides high current for the electrode furnace 10, and the metal sample in the electrode furnace 10 is melted and heated through the upper electrode plate 12 and the lower electrode plate 11, so that the detected elements in the metal sample are released in a gaseous state and are analyzed and detected through the measuring device 20. Helium serves as a carrier gas in analysis, high-purity carrier gas is obtained through a carrier gas purifier 23, the mixed gas enters an infrared detector 22 and a thermal conductivity detector 25, and analysis is carried out through an infrared absorption method and a thermal conductivity reference method, so that the content of each element in the mixed gas is obtained.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model discloses to the ordinary technical person of technical field's the prerequisite that does not deviate from the utility model discloses under the prerequisite of design, its frame form can be nimble changeable, can derive a series of products. But merely as a matter of simple deductions or substitutions, should be considered as belonging to the scope of patent protection of the present invention as determined by the claims submitted.

Claims

1. The oxygen analyzer with the electrode plate is characterized by comprising an electrode furnace (10) and a measuring device (20), wherein the electrode furnace (10) comprises a lower electrode plate (11), the lower electrode plate (11) is disc-shaped, a boss (111), a through hole (112) and a cross groove (113) are arranged in the middle of the lower electrode plate (11), and the lower electrode plate (11) is fixedly connected with the electrode furnace (10).

2. The oxygen analyzer having an electrode sheet according to claim 1, wherein the electrode furnace (10) further comprises: the electrode furnace comprises an upper electrode plate (12), a transformer (13), a cooling device (14) and a sample adding device (15), wherein the upper electrode plate (12) is fixedly connected with the electrode furnace (10), the transformer (13) is electrically connected with the electrode furnace (10), the sample adding device (15) is fixedly connected with the electrode furnace (10), and the cooling device (14) is fixedly connected with the electrode furnace.

3. The oxygen analyzer having an electrode sheet according to claim 2, wherein the cooling means (14) further comprises: the electrode furnace comprises a cooling water tank (141), a heat dissipation tank (142), a water pump (143) and a valve (144), wherein the electrode furnace (10) is sequentially connected with the heat dissipation tank (142), the cooling water tank (141), the water pump (143) and the valve (144) through pipelines.

4. The oxygen analyzer with electrode sheet according to claim 1, wherein the measuring device (20) comprises a catalytic furnace (21), an infrared detector (22), a carrier gas purifier (23), a gas purifier (24), and a thermal conductivity detector (25), and the carrier gas purifier (23) is connected with the electrode furnace (10), the catalytic furnace (21), the infrared detector (22), the gas purifier (24), and the thermal conductivity detector (25) in sequence through a pipeline.

5. The oxygen analyzer having an electrode sheet according to claim 3, wherein one or more fans (145) are attached to the heat dissipation case (142).

6. The oxygen analyzer having an electrode pad according to claim 1, further comprising an electronic balance (40), wherein the electronic balance (40) is fixedly connected to the electrode furnace (10).