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Large-diameter tower equipment lining stainless steel plate construction method and auxiliary device

A technology of stainless steel plate and construction method, applied in auxiliary devices, welding equipment, welding equipment and other directions, can solve the problems of construction danger and poor welding quality, and achieve the effect of improving safety, improving welding quality and reducing deformation

Pending Publication Date: 2022-08-02
YUNNAN SECOND INSTALLATION ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to overcome the problems of construction danger and poor welding quality, the purpose of the present invention is to provide a construction method and auxiliary device for large-diameter tower equipment lined with stainless steel plates, which have the effects of safe construction and good welding quality

Method used

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  • Large-diameter tower equipment lining stainless steel plate construction method and auxiliary device
  • Large-diameter tower equipment lining stainless steel plate construction method and auxiliary device
  • Large-diameter tower equipment lining stainless steel plate construction method and auxiliary device

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Embodiment 1

[0032] see figure 1 , a construction method for large-diameter tower equipment lined with stainless steel plate, comprising the following steps:

[0033] S1. Draw a line on the stainless steel plate according to the designed layout diagram, and drill the plug welding hole according to the position of the drawing point;

[0034] S2. According to the size of the tank body, use a plate rolling machine to perform arc pressure on the stainless steel plate to make the inner lining 5;

[0035] S3. Put the inner lining 5 into the tank body, and lay it evenly and neatly on the inner side of the tank wall 1;

[0036] S4. Install the nozzle 7 at the junction of the lining 5;

[0037] S5. Lay the inner lining 5 in the base composed of the tank wall 1 and the tank bottom 2;

[0038] S6. Inspect each section of the tank body and the base. After the inspection is passed, it needs to be ground first, and then hoisted and assembled.

[0039] The hoisting combination is as follows: first st...

Embodiment 2

[0046] see Figure 2-3 ,

[0047] An auxiliary device for the construction method of large-diameter tower equipment lined with stainless steel plate, including tank wall 1, tank bottom 2, lining 5, connecting pipe 7, welding angle steel 3 at the connection between tank wall 1 and tank bottom 2, angle steel 3 and An inspection nozzle 4 is arranged between the tank walls 1, and an inner reinforcing ring 6 is arranged at the butt joint of the inner lining 5.

[0048] The inner lining 5 of the tank bottom 2 is overlapped above the angle steel 3, and the inner lining 5 of the tank wall 1 is overlapped above the inner lining 5 of the tank bottom 2 surface;

[0049] The inner reinforcement ring 6 is sleeved on the outside of the nozzle 7 , and the inner reinforcement ring 6 is located between the inner lining 5 and the tank wall 1 .

[0050] Angle steel 3 adopts intermittent fixed welding with tank wall 1 and tank bottom 2 respectively, lining 5 and angle steel 3, tank bottom 2 and...

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Abstract

The invention discloses a large-diameter tower equipment lining stainless steel plate construction method which comprises the following steps: S1, drawing lines on a stainless steel plate according to a designed layout map, and drilling plug welding holes according to drawing point positions; s2, the stainless steel plate is subjected to arc pressing through a plate rolling machine according to the size of the tank body, and a lining is manufactured; s3, putting the lining into the tank body, and uniformly and neatly laying and welding the lining on the inner side of the tank wall; s4, connecting pipes are mounted at the joints of the linings; s5, a lining is laid in a base formed by the tank wall and the tank bottom; s6, each section of the tank body and the base are inspected, and hoisting combination is carried out after the inspection is qualified; preferably, the plug welding holes are distributed in a plum blossom shape, the hole diameter is 8 mm, the hole distance is 300 mm, and the edge distance is 150 mm. According to the large-diameter tower equipment lining stainless steel plate construction method and the auxiliary device, plug welding holes distributed in a plum blossom shape are formed, and meanwhile, a symmetric welding method is adopted during plug welding of the plug welding holes, so that deformation of a stainless steel thin plate is effectively reduced, and a lining and a tank body are more attached.

Description

technical field [0001] The invention relates to the technical field of lining welding, in particular to a construction method and an auxiliary device for lining stainless steel plates of large-diameter tower equipment. Background technique [0002] There are different construction methods for the construction of the stainless steel lining of the pulp tower of the pulp mill, such as: some adopt the "overall upside down"; The construction of the tower body is completed; some after the overall construction of the pulp tower is completed, scaffolding is erected in the pulp tower to construct the inner lining; Lined with stainless steel from top to bottom. [0003] The above construction methods all require workers to operate at high altitudes for a long time, which is dangerous. At the same time, when working at high altitudes, the nerves are always in a tense state, which easily affects the construction quality. Therefore, we propose a construction system for wood chip storag...

Claims

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Application Information

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IPC IPC(8): B23K31/02B23K37/00
CPCB23K31/02B23K37/00Y02E10/728
Inventor 王力生杨智华朱廷刚张鸿兴陈春文
Owner YUNNAN SECOND INSTALLATION ENG