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Profile Forging Method for Transition Section of Hydrogenation Reactor

The technology of a hydrogenation reactor and a transition section is applied in the field of hot working and forging, and can solve the problems of low performance index value of forgings, large machining allowance and high production cost.

Active Publication Date: 2021-07-06
CHINA FIRST HEAVY IND
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The production plan commonly used by various domestic enterprises is to forge the transition section into a ring-like forging and then process it into shape. The fiber streamline direction of the metal is all interrupted, the machining allowance is large, the production cycle is long, the production cost is high, and the performance index value of the forging is high. relatively low

Method used

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  • Profile Forging Method for Transition Section of Hydrogenation Reactor
  • Profile Forging Method for Transition Section of Hydrogenation Reactor
  • Profile Forging Method for Transition Section of Hydrogenation Reactor

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Embodiment Construction

[0047] The profiling forging method and processing steps of the hydrogenation reactor transition section of the present invention are as follows: including: special accessories;

[0048] Step 1: Count the size of the hydrogenation transition section produced in previous years: Since the size of each hydrogenation reactor is different, by combing the size of the hydrogenation transition section over the years, the height of the transition section, the spherical radius, the outer Classify the data such as the diameter, step length, etc., find out the applicability size, and lay a solid foundation for the subsequent design of special accessories;

[0049] Step 2: Design special attachments: According to the calculated size, design a special upper anvil and a closing sleeve with a curved shape. In order to save production costs, the special upper anvil considers using the existing upper anvil for welding transformation, and the special mouth guard sleeve It is produced by casting,...

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Abstract

The invention discloses a profiling forging method for a transition section of a hydrogenation reactor, which belongs to the technical field of hot forging. The first step is to statistically sort out the size of the hydrogenation transition section produced in previous years to find out the applicability size; the second step: Design of special attachments; third part: simulation of deformation process; fourth step: special attachments into production; fifth step: trial production of test pieces; sixth step: forging process review; seventh step: formal product production; eighth step: Subsequent quality tracking; Step 9: Summarize the essentials of operation and the profiling production process of the solidification and hydrogenation transition section. The above method produces two hydrogenation transition sections for each steel ingot, which saves twice the number of forging fires compared with the conventional production method, reduces production costs, and improves material utilization. Efficiency has also been further improved.

Description

technical field [0001] The invention relates to a profiling forging method for a transition section of a hydrogenation reactor, and belongs to the technical field of thermal forging. Background technique [0002] The hydrogenation transition section is an essential part of every hydrogenation reactor, and it is located in the transition zone where the upper and lower heads are connected to the cylinder section. It is characterized by a complex shape, with radians and steps on both the inner and outer diameters. Using the traditional forging method not only has a low material yield and causes a lot of waste, but also has a thick wall thickness, which makes it difficult to meet subsequent flaw detection and performance requirements. The process will also bring troubles such as large processing volume and long processing time. Therefore, it is imperative to optimize the production plan of the transition section and reduce the production cost under the condition that the produc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21K23/00B21J5/00B21J13/02B21J13/06
CPCB21J5/00B21J13/02B21J13/06B21K23/00
Inventor 许四海赵达刘睿
Owner CHINA FIRST HEAVY IND
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