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High-temperature-resistant anti-radiation inorganic coating construction method

A technology of inorganic coating and construction method, which is applied in the construction field of high-temperature resistant and anti-radiation inorganic coating, and can solve problems such as lining collapse, cracking, and damage

Inactive Publication Date: 2014-12-10
上海乐恒石油化工集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, on the one hand, the heating furnace generally has a long operating period, and the lining will be aged and damaged to a certain extent under the long-term high-temperature flue gas erosion; material composition, its bulk density is relatively large
Therefore, if the construction process is improperly selected, the light may cause insufficient coating fastness, cracking and falling off; the serious may cause the lining to collapse and cause safety and quality accidents

Method used

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  • High-temperature-resistant anti-radiation inorganic coating construction method
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  • High-temperature-resistant anti-radiation inorganic coating construction method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0051] Working surface conditions: heating furnace temperature 800 ℃, lining with light castables.

[0052] Preparation of construction machinery and testing instruments

[0053] equipment quantity Remark Air compressor 2 units supply high pressure air Sprayer 4 units mixer 2 units Stir the paint evenly Four in one gas detector 1 set Harmful gas detection in the furnace Coating Thickness Gauge 2 units Coating Thickness Inspection

[0054] plastic film some wrapped, covered

[0055] Scaffolding at the construction interface: meet the safety construction requirements and be accepted by professionals.

[0056]Protection of facilities in the heating furnace: use plastic film to wrap the furnace tube from top to bottom, cover the burner and other facilities, and protect the facilities in the furnace from damage and pollution during the coating forming process.

[0057] Lining inspection and surface c...

Embodiment 2

[0071] Working surface conditions: the temperature of the heating furnace is 1100°C, and the lining is ceramic fiber modules.

[0072] Preparation of construction machinery and testing instruments

[0073] equipment quantity Remark Air compressor 2 units supply high pressure air Sprayer 4 units mixer 2 units Stir the paint evenly Four in one gas detector 1 set Harmful gas detection in the furnace Coating Thickness Gauge 2 units Coating Thickness Inspection plastic film some wrapped, covered

[0074] The erection of scaffolding at the construction interface meets the safety construction requirements and has been checked and accepted by professionals.

[0075] Protection of facilities in the heating furnace: use plastic film to wrap the furnace tube from top to bottom, cover the burner and other facilities, and protect the facilities in the furnace from damage and pollution during the coating forming process...

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Abstract

The invention discloses a high-temperature-resistant anti-radiation inorganic coating construction method. The method includes determining the total thickness of the construction coating according to different liner materials and hearth temperatures, performing multiple coating constructions, sintering at the temperature of 500 to 700 DEG C, and forming a high-temperature-resistant anti-radiation inorganic coating. According to the high-temperature-resistant anti-radiation inorganic coating, the heat radiation coefficient of the inner wall of a furnace liner can be increased effectively, the internal radiation heat transferring effect is enhanced greatly, the fine energy saving effect is provided, and the service life of the coating can be prolonged.

Description

technical field [0001] The invention belongs to boiler flue gas treatment technology, and in particular relates to a construction method of a high-temperature-resistant radiation-reflecting inorganic coating. Background technique [0002] The Chinese patent No. ZL201010103489.7 discloses a high temperature resistant anti-radiation inorganic coating and its preparation method. : Through the coating of this patent coating, the blackness of the furnace lining surface can be effectively improved. Since the heating furnace is heated by radiation heat transfer at high temperature, the blackness of the furnace lining is improved, which is conducive to improving the radiation heat transfer of the furnace wall to the furnace. , improve the radiant heat absorption of the heated workpiece, make full use of energy, and achieve the purpose of energy saving. [0003] At present, the general construction process of the surface coating of the kiln lining is as follows: firstly, the surface...

Claims

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Application Information

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IPC IPC(8): F27D1/16
Inventor 张春雨
Owner 上海乐恒石油化工集团有限公司
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