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Desulphurizing tower bottom replacing method employing Jig frame bearing

A replacement method and desulfurization tower technology, applied in building maintenance, construction, building construction, etc., can solve problems such as high construction difficulty, high tower, self-heavy, etc., and achieve safe and reliable project quality, good use effect, and convenient production Effect

Active Publication Date: 2017-01-04
MCC5 GROUP CORP SHANGHAI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

If the bottom of the desulfurization tower is replaced or modified, it is necessary to face the problems of high tower, heavy weight, difficult construction, complex environment, small construction site, construction safety and construction cost of non-standard equipment such as large towers.
[0003] Therefore there are above-mentioned inconveniences and problems in the known replacement method at the bottom of the desulfurization tower

Method used

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  • Desulphurizing tower bottom replacing method employing Jig frame bearing
  • Desulphurizing tower bottom replacing method employing Jig frame bearing
  • Desulphurizing tower bottom replacing method employing Jig frame bearing

Examples

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Effect test

Embodiment 1

[0037] The method for replacing the bottom of a desulfurization tower with tire frame load-bearing is characterized in that it comprises the following steps:

[0038] a. Isolate the desulfurization tower and clean up the combustibles in the tower

[0039] The desulfurization tower is 40 meters high, 8.7 meters in diameter, and weighs 140 tons. The bottom 2 meters below is severely corroded and leaks, and needs to be replaced. Before the bottom is replaced, the whole device is an independent system, so it is necessary to remove all the pipes, instruments, and support platforms connected to the desulfurization tower, and all pipes must be isolated with valves and blind plates after purging and replacement. Open the manhole of the desulfurization tower, in order to reduce the weight of the tower body, it is also necessary to clean up the packing and sulfur in the tower;

[0040] b. Fabrication and welding of tire frame

[0041] see now figure 1 and figure 2 , figure 1 It is...

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Abstract

A desulphurizing tower bottom replacing method employing Jig frame bearing is characterized by comprising the following steps: a, isolating a desulphurizing tower, and clearing away combustibles in the tower; b, manufacturing and welding a jig; c, welding reinforcing plates and corbels; d, arranging a hawser; e, arranging a *-shaped support in the tower; f, arranging positioning baffle plates; g, replacing the bottom of the desulphurizing tower. The desulphurizing tower bottom replacing method employing Jig frame bearing has the advantages as follows: a jig frame device is simple in structure, convenient to manufacture and good in using effect; the construction quality is safe and reliable; the difficulty in replacing the bottom of a large-sized tower and other non-standard equipment after bottom corrosion under the conditions that the environment is complex and a site is limited is overcome.

Description

technical field [0001] The invention relates to a method for rebuilding and maintaining a tower body of tower equipment, in particular to a method for replacing the bottom of a desulfurization tower under the weight of a tire frame. Background technique [0002] The desulfurization tower is 40m high, 8.7m in diameter, and weighs 140t. The bottom 2m below is severely corroded and leaks. If the entire desulfurization tower is torn down and rebuilt, it will face huge pressure in both capital and production. If the replacement and reconstruction of the bottom of the desulfurization tower is adopted, it is necessary to face the problems of high tower, heavy weight, high construction difficulty, complex environment, small construction site, construction safety and construction cost of non-standard equipment such as large towers. [0003] Therefore, there are above-mentioned inconveniences and problems in the known desulfurization tower bottom replacement method. Contents of the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04G23/06
Inventor 刘小勇周继军胡泽斌
Owner MCC5 GROUP CORP SHANGHAI
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