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Black-body radiation energy-saving coating and preparation method thereof

An energy-saving coating and black body radiation technology, which is applied in the field of material surface processing, can solve problems such as poor energy-saving effects, and achieve the effects of simple construction, improved thermal efficiency, and protection of base materials

Inactive Publication Date: 2019-01-11
吴丰容
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the problem of poor energy-saving effect in the prior art, it is necessary to invent an energy-saving coating with high energy-saving efficiency, which can protect the surface of the furnace lining at the same time, prolong the service life of the furnace body, and improve the thermal efficiency

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] A blackbody radiation energy-saving paint, comprising 40 parts of sodium silicate, 10 parts of water, 8 parts of iron oxide, 12 parts of copper oxide, 5 parts of chromium oxide, 10 parts of aluminum oxide, 3 parts of cerium oxide, 6 parts of cobalt oxide, lanthanum oxide 4 parts, 1 part of dispersant, wherein the dispersant is sodium polycarboxylate, monoglyceride stearate, sodium alkylbenzene sulfonate, the dosage ratio is 3:1:1. First add the dispersant into the water and stir thoroughly, 1300r / min and stir for 10min; then add sodium silicate and stir fully, 800r / min and stir for 5-8min, finally add iron oxide, copper oxide, chromium oxide, aluminum oxide, cerium oxide, cobalt oxide , Lanthanum Oxide, and the finished product is ready after fully stirring.

[0023] According to the coating of Example 1, the specific parameters of the coating were determined, as shown in Table 1 below.

[0024] Table 1, embodiment 1 coating parameter

[0025] Average radianc...

Embodiment 2

[0027]A kind of black body radiation energy-saving paint, comprising 40 parts of sodium silicate, 10 parts of water, 10 parts of iron oxide, 10 parts of copper oxide, 8 parts of chromium oxide, 6 parts of aluminum oxide, 5 parts of cerium oxide, 10 parts of cobalt oxide, dispersant 1 part, wherein the dispersant is sodium polycarboxylate, monoglyceride stearate, sodium alkylbenzene sulfonate, the dosage ratio is 3:1:1. First add the dispersant into water and stir well, 1300r / min and stir for 10min; then add sodium silicate and stir thoroughly, 800r / min and stir for 5-8min, finally add iron oxide, copper oxide, chromium oxide, aluminum oxide, cerium oxide, cobalt oxide , After fully stirring, the finished product is ready.

[0028] According to the coating of Example 2, the specific parameters of the coating were determined, as shown in Table 2 below.

[0029] Table 2, embodiment 2 coating parameters

[0030] Average radiance in the infrared band

experiment example 1

[0043] The advantages that the blackbody radiation energy-saving coating of the present invention has are illustrated by experimental examples below:

[0044] The blackbody radiation energy-saving coatings described in Examples 1-2 and Comparative Examples 1-2 are applied to the surface of the base layer of the ethylene cracking furnace by brushing. Before using the paint, preparatory treatment is carried out on the surface of the coated metal base to remove the surface oil and rust; the black body radiation energy-saving paint is evenly painted on the surface of the base of the ethylene cracking furnace, and dried at room temperature for 12 hours. The pyrolysis furnace was calculated from the measured data, and the influence of different coatings on the overall thermal efficiency of the ethylene pyrolysis furnace was analyzed. The ethylene cracking furnace selected is a tubular cracking furnace, which consists of a convection chamber and a radiation chamber.

[0045] The the...

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Abstract

The invention relates to a black-body radiation energy-saving coating and a preparation method thereof. The coating contains the following components in parts by weight: 30-50 parts of sodium silicate, 5-15 parts of water, 5-10 parts of ferric oxide, 10-20 parts of copper oxide, 3-10 parts of chromium oxide, 5-10 parts of aluminium oxide, 0-5 parts of cerium oxide, 1-10 parts of cobalt oxide, 0-5parts of lanthanum oxide, and 0.5-1.5 parts of dispersing agent. According to the invention, radiation heat transfer is enhanced by utilizing the characteristics of high absorption, high heat accumulation, high radiation and high heat release of a black-body material, so as to reduce radiation heating energy consumption, reduce fuel consumption, and improve the thermal efficiency of boiler pipes,petrochemical cracking furnaces and coking ovens, and further achieve the aim of energy conservation.

Description

technical field [0001] The invention relates to the field of material surface processing, mainly relates to a blackbody radiation energy-saving coating, in particular to a blackbody radiation energy-saving coating which can improve the thermal efficiency of a kiln, thereby achieving the purpose of energy saving. Background technique [0002] my country's industrial furnaces and industrial boilers are the main body of energy consumption, and industrial furnaces and industrial boilers generally have low thermal efficiency and relatively large energy waste, which further aggravates the problem of energy shortage caused by the rapid growth of industrial and civil energy demand. Therefore, energy saving and consumption reduction is an important issue to solve the energy shortage in my country's industrial production, especially medium and high temperature heating furnaces and heating equipment are key energy-consuming devices, and their energy saving and consumption reduction is t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D1/04C09D7/61
CPCC09D1/04C09D7/61Y02P20/10
Inventor 吴丰容
Owner 吴丰容
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