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Wind chest top cover shrink overhauling and constructing method

A construction method and a gas tank technology are applied in the field of overhauling and repairing the top cover of the gas tank to save construction time and reduce construction costs.

Active Publication Date: 2009-09-23
陕西化建工程有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This plan deducts the cost factor, and it cannot meet the requirements of the factory only in the construction period, so another construction plan can only be adopted

Method used

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  • Wind chest top cover shrink overhauling and constructing method
  • Wind chest top cover shrink overhauling and constructing method
  • Wind chest top cover shrink overhauling and constructing method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0016] 1. Inflation to raise the roof: Use the compressed air to slowly buffer the air to the gas cabinet. After 2 hours, the deflated top cover of the gas cabinet will naturally round up. No dead folds are seen on the top plate, and the rounding effect is ideal.

[0017] 2. Install the outer keel ceiling: Before installing the keel, lay out the wires on the top cover of the gas cabinet, and weld the hanger connection plate on the top cover of the gas cabinet (welding with a small current to prevent penetration of the top plate). After the welding of the backing plate is completed, the outer keel is installed, and the keel frame is connected with the top plate to make it a whole.

[0018] 3. Lifting test:

[0019] After the outer keel is installed, the counterweight of the gas cabinet is adjusted according to the increased keel weight, and a lifting test is carried out. Through the smooth lifting test, it is verified that this method is feasible, and it will be put into produc...

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PUM

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Abstract

The invention relates to a wind chest top cover shrink overhauling and constructing method which can ensure rapid and construction, can greatly save the construction time and reduce the construction cost. The method utilizes compression wind for production to inflate a wind chest so as to ensure that a shrunk wind chest top cover naturally reverts to the round shape, replaces a small air compressor to inflate the wind chest so as to ensure that the top cover can load the weight of outer keels and people in the process of construction, then arranges a prefabricated outer keel rack, connects an outer pipe rack and the top cover by a lifting joint and adjusts the balance weight of the wind chest so as to carry out a trial lifting test.

Description

1. Technical field: [0001] The invention relates to a method for overhauling a gas tank, in particular to a method for overhauling and repairing the top cover of the gas tank. 2. Background technology: [0002] The gas cabinet is a gas container for chemical petroleum, metallurgical industry, city gas supply, etc. It is the main equipment used to store gas, transport gas, and adjust the gas composition. There are two types of gas cabinets: dry direct gas cabinet and low pressure wet gas cabinet. Among them, low-pressure wet gas holders are widely used in chemical industry, petroleum, metallurgy, gas supply and other industrial and civil applications. [0003] During the production and operation of the gas cabinet, the phenomenon of the top cover being deflated due to careless operation often occurs, so how to repair the top cover? The usual method is to remove the damaged top cover and reinstall it. However, this method has a large workload, time-consuming, laborious, and h...

Claims

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Application Information

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IPC IPC(8): F17B1/16
Inventor 杨峰斌柴西文李丽红贺小锋南亚群
Owner 陕西化建工程有限责任公司