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Manufacturing process of metal bottle with air-tight seal

A production process and metal bottle technology, applied in the container discharge method, equipment loaded into the pressure container, gas/liquid distribution and storage, etc., can solve the problems affecting the safe operation and service life of the container, the increase in the weight of the gas cylinder, and the occupancy The problem of large space and other problems can be achieved to ensure the purity of the filling gas, improve stability, and achieve the effect of small shape

Active Publication Date: 2014-01-22
SHENYANG GAS CYLINDER SAFETY TECH
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, in the field of pressure vessels, most of the sealed gas cylinders are realized by the bottle valve. Although the bottle valve is easy to install, the weight of the gas cylinder sealed by the bottle valve will increase and occupy a large space. Connection requirements are also delicate
In addition, because the sealing ring between the bottle valve and the gas cylinder is a rubber product, it is easy to age, so it will affect the safe operation and service life of the container, and the above situation is not allowed in some special fields, so the gas and The gas cylinder of sealed and integrated form is a new problem to be solved urgently

Method used

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  • Manufacturing process of metal bottle with air-tight seal
  • Manufacturing process of metal bottle with air-tight seal

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Embodiment Construction

[0018] Such as figure 1 As shown, the structure of the metal bottle with airtightness is: the sealing sheet (12) and the bottle body (9) are integrated into one structure, and the bottle body is filled with gas.

[0019] The production process of a metal bottle with an airtight seal, the steps are as follows:

[0020] 1) Blanking: Use stainless steel plate as the metal bottle blank, cut into circles according to the process size, use 180 # The surface of the blank is ground without defects by the angle grinding film, reaching a roughness of ≤3.2, and the edges on both sides are smoothed without burrs;

[0021] 2) Annealing: the blank is put into a resistance furnace for annealing heat treatment, the annealing temperature is 900-1000°C, the temperature is kept for 0.5 hours, and the furnace is air-cooled;

[0022] 3) Deep drawing: 4-pass deep-drawing: the annealed blank is stamped and deep-drawn with a four-column hydraulic press to make a semi-finished cylindrical part of th...

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Abstract

The invention relates to a manufacturing process of a metal bottle with an air-tight seal. The metal bottle with the air-tight seal is composed of a bottle body and a sealing piece. According to the manufacturing process, the metal bottle with the air-tight seal is formed by the steps of blanking, annealing, deep drawing, annealing, extruding and necking, washing, appearance finishing, inflating and sealing piece welding by electric resistance welding. In the extruding and necking step, a hydraulic machine is used to extrude a cylindrical piece on a mould to form a bottle opening; and in the inflating and sealing piece welding by the electric resistance welding, an air bottle is inflated by a special tool and then the sealing piece is immediately welded by the electric resistance welding after the inflation. According to the manufacturing process, the electric resistance welding method is used to fix the sealing piece at the bottle opening part; therefore, compared with the air bottle with the same volume, the metal bottle has the advantages that a space area occupied by a bottle valve is effectively reduced and the bottle has high-temperature resistance.

Description

technical field [0001] The invention relates to a production process for sealing an inflated metal bottle in a gas-filled state, which is applied in the field of pressure vessels. Background technique [0002] At present, in the field of pressure vessels, most of the sealed gas cylinders are realized by the bottle valve. Although the bottle valve is easy to install, the weight of the gas cylinder sealed by the bottle valve will increase and occupy a large space. The connection requirements are also delicate. In addition, because the sealing ring between the bottle valve and the gas cylinder is a rubber product, it is easy to age, so it will affect the safe operation and service life of the container, and the above situation is not allowed in some special fields, so the gas and Sealing the gas cylinder of integrated form is a new problem to be solved urgently. Contents of the invention [0003] In order to solve the above problems, the present invention provides a product...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F17C5/00F17C13/06
Inventor 姜将吴忠顺郝延平孔令伟
Owner SHENYANG GAS CYLINDER SAFETY TECH
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