CN214703271U

CN214703271U - Metal wire argon protection melting cabin

Info

Publication number: CN214703271U
Application number: CN202022951951.0U
Authority: CN
Inventors: 高卫红; 岳朋; 刘振华; 苑英杰; 史婷婷; 卢小勇; 李川; 房俊娟; 李岩
Original assignee: No 5721 Factory of PLA
Current assignee: No 5721 Factory of PLA
Priority date: 2020-12-11
Filing date: 2020-12-11
Publication date: 2021-11-12
Anticipated expiration: 2030-12-11

Abstract

A metal wire argon protection melting cabin comprises a base shell, an argon pipeline, a melting cabin body, a sample platform and a spiral gas ejector pipe; the upper end of the conduit joint is communicated with an argon gas bottle through an air inlet conduit, and the lower end of the conduit joint is communicated with one end of an argon gas pipeline arranged in the base shell; the other end of the argon pipeline is communicated with the sample platform and the spiral gas ejector pipe through two branches; the melting cabin body is of a basin body structure, a sample platform is arranged at the center of the bottom surface of the basin body, and spiral gas injection pipes are arranged on the periphery of the sample platform and the side wall of the basin body; the sample platform is of an inverted barrel structure, and the top surface of the sample platform is provided with a plurality of uniformly arranged gas injection holes; and the spiral gas ejector pipe is provided with a plurality of gas ejecting holes with upward openings. The utility model discloses ensured that sample metallic element content can not run off because of the oxidation of air in melting process, furthest has reduced analytical error, has guaranteed the reliability of testing result.

Description

Metal wire argon protection melting cabin

Technical Field

The utility model relates to a special frock of wire melting, especially one kind be used for with less diameter metal wire material bottom melting argon protection melting cabin for satisfying direct-reading spectrum appearance detection requirement design.

Background

The photoelectric direct-reading spectrometer is an instrument for analyzing sample components by the intensity of an emission spectrum when the photoelectric direct-reading spectrometer is excited, and along with the continuous development of detection technology, the photoelectric direct-reading spectrometer is widely applied to the fields of metallurgy, geology, biochemistry, soil, petrifaction and the like, and particularly in the aspect of quantitative analysis of metal and alloy components, the photoelectric direct-reading spectrometer becomes one of main means for detecting metal raw materials of factory enterprises in a factory.

The component detection of the metal raw material is carried out by adopting the photoelectric direct-reading spectrum analyzer, and the rapid analysis method, the accurate analysis result and the better data reproducibility are favored by the majority of physical and chemical professional workers. However, for metal wires with the diameter of less than 6mm, the requirements of a direct-reading spectrometer on the excitation section size of a sample cannot be met, so that the metal wires cannot be detected by the photoelectric direct-reading spectrometer. At present, the metal wire with the diameter of less than 6mm is mainly detected by adopting the traditional chemical wet analysis, the detection and analysis method has the defects of large workload, complicated operation steps and long detection period, and part of reagents have certain corrosiveness on human skin, so that adverse effects are brought to the health of operators.

SUMMERY OF THE UTILITY MODEL

The utility model provides a metal silk material argon protection melting cabin, its purpose is for satisfying the direct-reading spectrum appearance detection and analysis requirement, forms a branch of metal silk material bottom melting below the diameter 6mm in the argon protection melting cabin and satisfies the direct-reading spectrum appearance and arouse the terminal surface of cross sectional dimension requirement to the sample to the realization carries out quantitative determination analysis to the metal silk material composition below the diameter 6 mm.

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

a metal wire argon protection melting cabin comprises a base shell, an argon pipeline, a melting cabin body, a sample platform and a spiral gas ejector pipe; the upper end of the conduit joint is communicated with an argon gas bottle through an air inlet conduit, and the lower end of the conduit joint is communicated with one end of an argon gas pipeline arranged in the base shell; the other end of the argon pipeline is communicated with the sample platform and the spiral gas ejector pipe through two branches; the melting cabin body is of a basin body structure, a sample platform is arranged at the center of the bottom surface of the basin body, and spiral gas injection pipes are arranged on the periphery of the sample platform and the side wall of the basin body; the sample platform is of an inverted barrel structure, and the top surface of the sample platform is provided with a plurality of uniformly arranged gas injection holes; the spiral gas ejector pipe is provided with a plurality of gas ejecting holes with upward openings, and the gas ejecting holes are uniformly arranged along the spiral axis direction of the spiral gas ejector pipe.

In the metal wire argon protection melting cabin, the base shell is of a rectangular shell structure.

According to the metal wire argon protection melting cabin, the two branches of the argon pipeline are respectively provided with the flow control valve, and the operation knob of the flow control valve is arranged on the front end control panel of the base shell.

According to the metal wire argon protection melting cabin, handles are further arranged on the base shell, two groups of handles are arranged in the front and back direction, and the handles are installed on two opposite side walls of the base shell through the rotating shaft seats.

The utility model relates to a metal silk material argon protection melting cabin can be in this argon protection melting cabin through welder equipment with metal silk material bottom melting, forms the terminal surface that satisfies the direct-reading spectrum appearance and arouse the cross-sectional dimension requirement to the sample, realizes carrying out quantitative determination analysis to the metal silk material composition below the diameter 6mm through the direct-reading spectrum appearance. Because the chemical property of the argon gas is very inactive, the argon gas does not react with metal even at high temperature, thereby avoiding the problem of oxidation and burning loss of alloy elements in the metal wire, and in addition, the argon gas is not dissolved in the liquid metal, thereby avoiding causing pores on the melting end face of the sample. Therefore, the utility model discloses ensured that sample metallic element content can not run off because of the oxidation of air in melting process, furthest has reduced analytical error, has guaranteed the reliability of testing result.

Drawings

FIG. 1 is a schematic illustration of a metal wire embedded in a refractory metal sleeve;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a top view of FIG. 2;

fig. 4 is a schematic view of the working principle of the present invention.

The list of labels in the figure is:

1. a metal wire; 2. A high temperature resistant metal sleeve; 3. An air intake duct; 4. 4-1 of a metal wire argon protection melting cabin, 4-2 of a base shell, 4-3 of a conduit joint, 4-4 of a melting cabin body, 4-5 of a spiral gas ejector pipe, 4-6 of a sample platform, 4-7 of an operation knob, 4-8 of an argon pipeline, 4-9 of a branch, 4-9 of a handle, 4-10 of a rotating shaft seat.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1, the photoelectric direct-reading spectrometer is an apparatus for analyzing sample components by the intensity of an emission spectrum when excited, but for metal wires with a diameter of less than 6mm, the requirements of the direct-reading spectrometer on the excitation section size of a sample cannot be met, so that the metal wires cannot be detected by the photoelectric direct-reading spectrometer. In order to solve the problem, a bundle of metal wires 1 with set length can be embedded into a high-temperature-resistant metal sleeve 2, the lower ends of the metal wires 1 are parallel and level, then the bottoms of the metal wires are melted in an argon protection melting chamber through an arc welding process to form an end face meeting the requirements of a direct-reading spectrometer, and therefore quantitative detection and analysis of the components of the metal wires with the diameter of less than 6mm can be achieved through the direct-reading spectrometer.

Referring to fig. 2 and 3, the utility model provides a metal wire argon protection melting chamber 4, which comprises a base shell 4-1, an argon pipeline 4-7, a melting chamber body 4-3, a sample platform 4-5 and a spiral gas ejector 4-4; the base shell 4-1 is a rectangular shell, a conduit joint 4-2 is arranged on the upper end surface of the base shell, the upper end of the conduit joint 4-2 is communicated with an argon bottle through an air inlet conduit 3, and the lower end of the conduit joint is communicated with one end of an argon pipeline 4-7 arranged in the base shell 4-1; the other end of the argon pipeline 4-7 is communicated with a sample platform 4-5 and a spiral gas injection pipe 4-4 through two branches 4-8, a flow control valve is arranged on the two branches 4-8, and an operation knob 4-6 of the flow control valve is arranged on a control panel at the front end of the base shell 4-1; the melting cabin body 4-3 is of a basin body structure, a sample platform 4-5 is arranged at the center of the bottom surface of the basin body, and spiral gas injection pipes 4-4 are arranged on the periphery of the sample platform 4-5 and the side wall of the basin body; the sample platform 4-5 is an inverted barrel structure, and the top surface of the sample platform is provided with a plurality of uniformly arranged gas injection holes; the spiral gas ejector pipe 4-4 is provided with a plurality of gas ejector holes with upward openings, and the gas ejector holes are uniformly arranged along the spiral axis direction of the spiral gas ejector pipe 4-4.

Referring to fig. 4, adopt metal silk material argon protection melting cabin 4, when carrying out composition detection analysis to the metal silk material below the diameter 6mm, can clear away surface oxide layer with abrasive paper earlier for metal silk material 1 to clean totally with absolute ethyl alcohol, then with a plurality of pincers intercepting 25mm length, fill in diameter 8 ~ 10 mm's high temperature resistant metal casing 2 in, make its inseparable gathering not hard up, and keep a terminal surface parallel and level. Placing a high-temperature-resistant metal sleeve 2 and a metal wire 1 on a sample platform 4-5 of a metal wire argon protection melting chamber 4, starting a switch of an argon bottle, adjusting the flow of argon entering the melting chamber body 4-3 through gas holes in the sample platform 4-5 and a spiral gas jet pipe 4-2 by an operation knob, and forming an atmosphere surrounded by argon in the melting chamber body 4-3; and then melting the end surface of the metal wire sample in the high-temperature-resistant metal sleeve by using electric arc welding to form a solid section on the end surface, and grinding the end surface by using a file or a grinding wheel after the sample is cooled to ensure that the size of the end surface meets the requirement of a direct-reading spectrometer on the size of the excitation section of the sample. Pass through the contrast the utility model discloses supplementary spectrum excitation analysis test and the chemical analysis method test result of accomplishing, two kinds of test method testing results are unanimous basically, have proved the adoption the utility model discloses not only can satisfy the requirement that the mill enterprise goes into the factory to detect raw and other materials, improved detection work efficiency moreover, still avoided the injury that chemical reagent brought to operator's health.

Claims

1. A metal wire argon protection melting cabin is characterized in that the metal wire argon protection melting cabin (4) comprises a base shell (4-1), an argon pipeline (4-7), a melting cabin body (4-3), a sample platform (4-5) and a spiral gas ejector pipe (4-4); a conduit joint (4-2) is arranged on the base shell (4-1), the upper end of the conduit joint (4-2) is communicated with an argon bottle through an air inlet conduit (3), and the lower end of the conduit joint is communicated with one end of an argon pipeline (4-7) arranged in the base shell (4-1); the other end of the argon pipeline (4-7) is communicated with the sample platform (4-5) and the spiral gas ejector pipe (4-4) through two branches (4-8); the melting cabin body (4-3) is of a basin body structure, a sample platform (4-5) is arranged at the center of the bottom surface of the basin body, and spiral gas injection pipes (4-4) are arranged on the periphery of the sample platform (4-5) and the side wall of the basin body; the sample platform (4-5) is of an inverted barrel structure, and the top surface of the sample platform is provided with a plurality of uniformly arranged gas injection holes; the spiral gas ejector pipe (4-4) is provided with a plurality of gas ejector holes with upward openings, and the gas ejector holes are uniformly arranged along the spiral axis direction of the spiral gas ejector pipe (4-4).

2. The argon-shielded melting chamber for metal wires as claimed in claim 1, wherein the base shell (4-1) is of a rectangular shell structure.

3. The metal wire argon-shielded melting chamber as claimed in claim 2, wherein flow control valves are respectively arranged on two branches (4-8) of the argon pipeline (4-7), and operation knobs (4-6) of the flow control valves are arranged on a front control panel of a base shell (4-1).

4. The argon-shielded melting chamber for metal wires as claimed in claim 2 or 3, wherein handles (4-9) are further arranged on the base shell (4-1), two groups of handles (4-9) are arranged in front and back, and the handles are mounted on two opposite side walls of the base shell through the rotating shaft seats (4-10).