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Heat preservation anti-freezing structure and method for acid and alkali equipment in power plant

An acid-base and equipment technology, which is applied in the field of heat preservation and antifreeze structure of acid-base equipment in power plants, can solve the problems of easy corrosion, pulverization, heat preservation and corrosion of the outer shield, and easy water seepage of the outer shield, so as to improve the heat preservation and antifreeze Effect, good waterproof effect, beautiful appearance

Inactive Publication Date: 2017-01-25
POWERCHINA SEPCO1 ELECTRIC POWER CONSTR CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] When using conventional methods to insulate equipment, the insulation material only has the effect of heat preservation and heat resistance. This method is complicated to install, not waterproof and not corrosion-resistant. In rainy days, the outer guard plate is prone to water seepage, and the service life is low, and it will run for 3-5 years. The outer guard plate is easy to rust and pulverize. When some equipment is repaired with acid-base medium fluid equipment or the medium leaks out, it is easy to cause corrosion and damage to the insulation and outer guard plate.

Method used

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  • Heat preservation anti-freezing structure and method for acid and alkali equipment in power plant
  • Heat preservation anti-freezing structure and method for acid and alkali equipment in power plant
  • Heat preservation anti-freezing structure and method for acid and alkali equipment in power plant

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Experimental program
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Effect test

Embodiment 1

[0034] Such as figure 1 As shown, the heat preservation and antifreeze structure of the acid-base equipment in the power plant includes the first heat-insulation board for covering the ring-direction cylinder of the acid-base equipment and the second heat-insulation board for covering the ends of the acid-base equipment, the first heat-preservation board, the second The two insulation boards can be spliced ​​or overlapped, and the shape after splicing and lapping is the same or similar to that of the acid-base equipment. The adjacent first insulation board and the second insulation board are sealed with sealant or insulation glue. A thermal insulation board includes a plurality of spliced ​​or lapped first thermal insulation blocks, that is, a cylinder thermal insulation block 1, and a second thermal insulation board includes a plurality of spliced ​​or lapped second thermal insulation blocks, that is, a head thermal insulation block 4, and the adjacent first The insulation bl...

Embodiment 2

[0044] Firstly, the length of the acid-base equipment cylinder is measured on site, and the measured length is divided into two parts.

[0045] First, measure the length of the barrel. The measurement starting point is from the weld seam of the straight pipe section at the end of the equipment to the weld seam between the other end of the equipment and the head.

[0046] Second, measure the bending diameter of the head. Measured from the center of the head. Record the data after measurement. According to the measured data and combined with the size of the equipment installation drawing, the first insulation block and the second insulation block of polyurethane material are manufactured. The size of each first insulation block is about 1000mm×600mm×δmm, and the thickness δ is produced according to the requirements of the drawing.

[0047] The method of heat preservation and antifreeze for acid and alkali equipment in power plants, the specific steps are as follows:

[0048]...

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Abstract

The invention discloses a thermal insulation and antifreeze structure and method for acid-base equipment in a power plant. The outer surface of the acid-base equipment and the second insulation board are coated with insulation cement. The first insulation board and the second insulation board can be spliced ​​or lapped, and the shape after splicing and lapping is the same as that of the acid-base equipment. Or similar, the adjacent first insulation board and the second insulation board are sealed by sealant or insulation glue, the first insulation board includes a plurality of spliced ​​or lapped first insulation blocks, and the second insulation board includes a plurality of Spliced ​​or lapped second insulation block.

Description

technical field [0001] The invention relates to acid-base equipment, in particular to a thermal insulation and antifreeze structure and method for acid-base equipment in a power plant. Background technique [0002] Since most of the acid-base equipment of the power plant is arranged outdoors, in order to ensure that the fluid medium in the equipment maintains a stable working condition in the atmospheric environment, antifreeze and thermal insulation are usually carried out before the equipment is operated. The construction of the existing technology is in the equipment Install the insulation frame on the cylinder, weld the crochet on the frame, use rock wool insulation material for insulation, and use color steel plate or aluminum plate to protect the insulation layer on the outer layer, so as to achieve the effect of antifreeze and heat insulation of the equipment. [0003] When using conventional methods to insulate equipment, the insulation material only has the effect o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B65D81/18
CPCB65D81/18
Inventor 徐建伟刘建涛孔袁超孙胜杰
Owner POWERCHINA SEPCO1 ELECTRIC POWER CONSTR CO LTD
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