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Manufacturing method of pressure vessels

A technology of pressure vessel and manufacturing method, applied in manufacturing tools, forming tools, applications, etc., can solve the problems of high welding requirements, high production cost, laborious and laborious, etc., and achieve good forming effect, reduce friction, and improve operation. The effect of efficiency

Active Publication Date: 2018-11-30
三江开源有限公司
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Problems solved by technology

[0003] Existing pressure vessels generally have a cylindrical structure. This type of pressure vessel is formed by rolling a plate, and then welding the ends of the plate, and then welding steel plates at both ends to form a container; however, the existing Pressure vessels have high requirements on the welding of welding parts. A small welding error often causes the pressure vessel to not be used normally, and welding defects are not easy to observe. Often, the sealing and pressure resistance tests are performed after all welding is completed. Not only It is laborious and laborious, and the production cost is high

Method used

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  • Manufacturing method of pressure vessels

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Embodiment Construction

[0028] In order to make it easy to understand the technical means, creative features, goals and effects achieved by the present invention, the present invention will be further explained in conjunction with specific implementations below.

[0029] Such as figure 1 , figure 2 , image 3 , Figure 4 with Figure 5 As shown, a method for manufacturing a pressure vessel includes the following steps:

[0030] S1, cutting the plate into a plate shape with a plate cutting machine;

[0031] S2, put the plate obtained in S1 into a spiral structure in the plate rolling machine;

[0032] S3, the head and tail of the plates made in S2 are welded together by submerged arc welding; submerged arc welding has better welding quality;

[0033] S4, the two ends of the pressure vessel made in S3 are welded and sealed with steel plates;

[0034] S5, transport the pressure vessel made in S4 to the next process;

[0035] The plate rolling machine used in this method includes a fixing frame 1, the fixing frame...

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Abstract

The invention relates to the technical field of pressure vessel manufacturing, in particular to a manufacturing method of pressure vessels. The manufacturing method comprises the following steps: S1,cutting a plate material into a plate by a plate cutting machine; S2, placing the plate obtained in the step S1 into a plate rolling machine and reeling the plate to be in a spiral structure; S3, welding the head and tail of the plate made in the step S2 together by submerged arc welding; S4, welding and sealing the two ends of a pressure vessel manufactured in the step S3 by steel plates; and S5,transporting the pressure vessel produced in the step S4 to the next process. The method is used for welding with the submerged arc welding with better welding quality, and can avoid welding defectsand greatly improve the yield of pressure vessels.

Description

Technical field [0001] The invention relates to the technical field of pressure vessel manufacturing, in particular to a method for manufacturing a pressure vessel. Background technique [0002] Pressure vessel is a well-sealed tank structure that can withstand a certain pressure. Pressure vessels are commonly used in chemical production processes. [0003] The existing pressure vessel generally has a cylindrical structure. This kind of pressure vessel is formed by rolling a plate, and then welding the end of the plate, and then welding the two ends with steel plates to form a vessel; however, the existing Pressure vessels have high welding requirements for welding parts. A small welding error often causes the pressure vessel to not be used normally, and welding defects are not easy to observe. It is often that the tightness and pressure resistance tests are performed after all welding is completed. It is laborious, and production costs are high. Summary of the invention [0004] ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21D5/14B21D37/00B23P15/00
CPCB21D5/14B21D37/00B21D51/18B21D51/24B23P15/00
Inventor 陈浩
Owner 三江开源有限公司
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