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A method of tie-rod segmented modular type riser

A technology of segmented modules and tie rods is applied in the field of heat exchanger manufacturing, which can solve problems such as hidden safety hazards and inability to fasten connections with threads, and achieve the effects of improving production efficiency, ensuring heat exchange stability and service life, and connecting accurate connections.

Active Publication Date: 2021-10-01
HARBIN BOILER CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention solves the problem that when the long and short joints of the heat exchanger are assembled after heat treatment, the thread at the front section of the tie rod cannot be accurately fastened and connected with the corresponding threaded hole on the support plate at the rear of the heat exchanger due to the long connecting rod, so that It is easy to produce great potential safety hazards, and then provides a method of pulling rod segmented modular riser racks;

Method used

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  • A method of tie-rod segmented modular type riser
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  • A method of tie-rod segmented modular type riser

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specific Embodiment approach 1

[0030] Specific implementation mode one: refer to Figure 1 to Figure 4 To illustrate this embodiment, this embodiment provides a method for assembling riser racks in segmented and modular tie rods, and the method is realized through the following steps:

[0031] Step 1: Cut off the long tie rod 2 and the short tie rod 4 according to the assembly position of each tie rod, mark the position line of the connecting section that needs to be processed for the marking mark, and pay attention to processing the two ends of the long tie rod 2 into the same length connecting section, and the two ends of the short tie rod 4 The ends are respectively processed into connecting sections of the same length, and the length of the connecting section on the long tie rod 2 is equal to the length of the connecting section on the short tie rod 4;

[0032] Step 2: To make the pup joint module, first, N No. 1 connection holes are evenly distributed on one end of the tube sheet 6, and N is a positive...

specific Embodiment approach 2

[0037] Specific implementation mode two: refer to Figure 1 to Figure 4Describe this embodiment, this embodiment is to further limit the step 1 described in the specific embodiment 1, in this embodiment, the length of the long tie rod 2 in the step 1 is 3-5 times the length of the short tie rod 4 . Other compositions and connection methods are the same as those in Embodiment 1.

[0038] Such setting takes into account the dimensional requirements of the sub-joint modules when they are assembled, as well as the impact on stiffness caused by the dimensional difference of the long and short-joint modules during subsequent connection. If the length difference between the long tie rod 2 and the short tie rod 4 is large, the rigidity of the connection will be weak, which will easily affect the service life of the heat exchanger.

specific Embodiment approach 3

[0039] Specific implementation mode three: refer to Figure 4 Describe this embodiment, this embodiment is to further limit the step 1 described in the specific embodiment 1. In this embodiment, the length of the connecting section at both ends of the long tie rod 2 and the short tie rod 4 in the step 1 is equal, and the length of the connecting section is It is 3-5cm. Other compositions and connection methods are the same as those in Embodiment 1.

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Abstract

A tie-rod segmented modular riser frame method, belonging to the field of heat exchanger manufacturing, the invention aims to solve the problem of the front section of the tie rods due to the long connection of the tie rods when the long and short joints of the heat exchanger are assembled after heat treatment The threads cannot be fastened and connected accurately with the corresponding threaded holes on the tube head of the heat exchanger, which is likely to cause a huge potential safety hazard. The main technical solution of the present invention is to change the assembly method of the existing heat The tie rods are divided into long and short sections, and use the long and short tie rods to form the long section module and the short section module respectively. The two pipe section modules are accurately and tightly fixed by the connecting components. The invention is mainly used in the heat exchanger manufacturing process Assembly of the heat exchange rack.

Description

technical field [0001] The invention belongs to the field of heat exchanger manufacture, and in particular relates to a method for assembling standpipe racks in segmented modular type with tie rods. Background technique [0002] For most heat exchangers, tie rods are used as tube frame support, and it is very common to use tie rods and tube sheets through threaded connection structures. During the assembly process of the pipe system, due to the tube sheet, pup joint, heat exchange tube material and heat treatment, etc., it is necessary to weld the tube sheet and pup joint, and then carry out the overall heat treatment. After the heat treatment, the tube plate hole processing is carried out. Together with the support plate and the support plate at the end of the heat exchanger, an integral pipe frame is formed. This kind of process method will cause the front thread of the longer tie rod that penetrates the overweight support plate to be unable to be tightened with the corre...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23P15/00
CPCB23P15/00
Inventor 王新红程鹏
Owner HARBIN BOILER CO LTD
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