A htee series high-temperature infrared radiation coating and its application method

A high-temperature infrared and radiation coating technology, applied in combustion methods, fire-resistant coatings, coatings, etc., can solve the problems of low energy utilization rate of steam injection boilers, early development of oilfield heavy oil, affecting boiler operation efficiency, etc., and reduce thermal insulation. The effect of layer peeling, heat reduction, and extended service life

Active Publication Date: 2021-07-23
新疆锑都节能科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] In our country, the development period of heavy oil in oil fields is early, and most domestic steam injection boilers have been in operation for more than 20 years. The insulation layer of steam injection boilers that have been in operation for a long time will fall off, and the tile mouth will be aging and damaged, which will affect the operating efficiency of the boiler.
[0003] The inner wall of the traditional steam injection boiler is made of refractory materials and ceramic fiber materials, while the interior of the steam injection boiler mainly operates through internal radiation heat, the heat radiation rate in the furnace is insufficient, and the energy utilization rate of the steam injection boiler is low; at the same time, the insulation layer on the inner wall of the steam injection boiler falls off The loss of asbestos in insulation may cause diseases such as asbestosis, and long-term use will pose health risks to operators

Method used

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  • A htee series high-temperature infrared radiation coating and its application method

Examples

Experimental program
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Effect test

Embodiment example 1

[0047] A kind of HTEE series high-temperature infrared radiation coating, comprises following preparation steps:

[0048] (1) Mix the components according to the following mass percentage: ZrO 20%, activated alumina micropowder 5%, TiO 2 15%, Al(OH) 3 5%, CoO 20% into the stirring device;

[0049] (2) Add the following components by mass percentage: 15% of zirconia liquid slurry, 15% of solvent, and 5% of water are mixed and stirred, and soaked;

[0050] (3) After the soaking time is up, put the material into the mixer to stir, adjust the mixer to 45°C, react for 60 minutes and cool to 25°C;

[0051] (4) The flow line of the sampling liquid in the mixer is uninterrupted when it reaches more than 150mm, stop stirring, and put the material into a 185-400 mesh screen for filtration;

[0052] (5) Measuring after filtering and packing into barrels.

[0053] In the described step (1), ZrO is a nano zirconia powder, and the nano zirconia comprises the following preparation step...

Embodiment example 2

[0063] A kind of HTEE series high-temperature infrared radiation coating, comprises following preparation steps:

[0064] (1) Mix the components according to the following mass percentage: ZrO 17%, activated alumina micropowder 4.5%, TiO 2 17%, Al(OH) 3 4%, CoO 22% into the stirring device;

[0065] (2) Add the following components by mass percentage: 16% of zirconia liquid slurry, 16.5% of solvent, and 3% of water are mixed and stirred, soaked;

[0066] (3) After the soaking time is up, put the material into the mixer to stir, adjust the mixer to 48°C, react for 70 minutes and cool to 25°C;

[0067] (4) The flow line of the sampling liquid in the mixer is uninterrupted when it reaches more than 150mm, stop stirring, and put the material into a 185-400 mesh screen for filtration;

[0068] (5) Measuring after filtering and packing into barrels.

[0069] In the described step (1), ZrO is a nano zirconia powder, and the nano zirconia comprises the following preparation steps:...

Embodiment example 3

[0079] A kind of HTEE series high-temperature infrared radiation coating, comprises following preparation steps:

[0080] (1) Mix the components according to the following mass percentage: ZrO 25%, activated alumina micropowder 4.5%, TiO 2 12%, Al(OH) 3 4%, CoO 16% into the stirring device;

[0081] (2) Add the following components by mass percentage: 13% of zirconia liquid slurry, 18.5% of solvent, and 7% of water are mixed and stirred, soaked;

[0082] (3) After the soaking time is up, put the material into the mixer to stir, adjust the mixer to 45°C, react for 60 minutes and cool to 25°C;

[0083] (4) The flow line of the sampling liquid in the mixer is uninterrupted when it reaches more than 150mm, stop stirring, and put the material into a 185-400 mesh screen for filtration;

[0084] (5) Measuring after filtering and packing into barrels.

[0085] In the described step (1), ZrO is a nano zirconia powder, and the nano zirconia comprises the following preparation steps:...

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Abstract

A kind of HTEE series high-temperature infrared radiation coating and its application method, comprising the following components: ZrO, activated alumina micropowder, TiO 2 , Al(OH) 3 , CoO, zirconia liquid slurry, solvent and water, and the resulting mixture is stirred, mixed and filtered to obtain a high-temperature infrared radiation coating for a gas-injection boiler; a coating is formed by spraying a high-temperature infrared radiation coating on the lining surface of a steam-injection boiler lining furnace to improve The radiation rate ε in the steam injection boiler makes the heated object in the furnace evenly heated, effectively reducing the heating time. The thermal conductivity of the coating is lower than that of the insulation layer. After the coating is insulated, the temperature outside the furnace drops and the furnace body dissipates outward. The heat is reduced, which effectively reduces the number of replacements of asbestos insulation, reduces the shedding of the insulation layer, and prolongs the service life of the furnace lining.

Description

technical field [0001] The invention relates to the technical field of high-temperature infrared radiation coatings, in particular to an HTEE series high-temperature infrared radiation coating and its application method. Background technique [0002] In my country, heavy oil in oil fields has been developed for a long time, and most domestic steam injection boilers have been in operation for more than 20 years. The insulation layer of steam injection boilers that have been operating all year round will fall off, and the tiles will be aging and damaged, which will affect the operating efficiency of the boiler. [0003] The inner wall of the traditional steam injection boiler is made of refractory materials and ceramic fiber materials, while the interior of the steam injection boiler mainly operates through internal radiation heat, the heat radiation rate in the furnace is insufficient, and the energy utilization rate of the steam injection boiler is low; at the same time, the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D1/00C09D7/61C04B35/49C04B35/01C04B35/622F23M5/00
CPCC04B35/01C04B35/49C04B35/62222C04B2235/3217C04B2235/3218C04B2235/3275C04B2235/3427C04B2235/6562C04B2235/6567C04B2235/96C09D1/00C09D5/18C09D7/61F23M5/00F23M2900/05004
Inventor 曾金凤曾理想
Owner 新疆锑都节能科技有限公司
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