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A kind of boiler anti-coking anti-corrosion treatment agent and preparation method and application thereof

A technology for corrosion treatment and boiler, which is applied in the field of anti-coking and anti-corrosion treatment agent for boiler and its preparation, which can solve the problems of coking and affect the thermal efficiency of the boiler, achieve uniform temperature, ensure safe and economical operation, and improve the effect of efficiency

Active Publication Date: 2022-07-08
河南爱邦科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The invention proposes a boiler anti-coking and anti-corrosion treatment agent and its preparation method and application, which solves the problem of coking caused by local high temperature on the heating surface of a power station boiler and affects the thermal efficiency of the boiler

Method used

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  • A kind of boiler anti-coking anti-corrosion treatment agent and preparation method and application thereof
  • A kind of boiler anti-coking anti-corrosion treatment agent and preparation method and application thereof
  • A kind of boiler anti-coking anti-corrosion treatment agent and preparation method and application thereof

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Experimental program
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Effect test

Embodiment 1

[0035] An anti-coking and anti-corrosion treatment agent for boilers in this embodiment, the treatment agent includes, in parts by mass, 3 parts of zirconia, 5 parts of refractory fine soil, 5 parts of sodium soil powder, 13 parts of silicon carbide, and boron nitride. 13 parts, 20 parts of brown corundum, 1.5 parts of cobalt oxide, 10 parts of chromium oxide green, 10 parts of aluminum oxide, 12 parts of phosphoric acid solution, 6 parts of aluminum dihydrogen phosphate solution, 1 part of graphene, 2 parts of carboxymethyl cellulose, 17 parts water.

[0036] The fineness of the zirconia is 2500 meshes, the fineness of the refractory fine soil is 1000 meshes, the fineness of the sodium soil powder is 800 meshes, the fineness of the silicon carbide is 2500 meshes, the fineness of the boron nitride is 1500 meshes, The fineness of brown corundum is 3500 mesh, the fineness of cobalt oxide is 1200 mesh, the fineness of chrome oxide green is 3000 mesh, the fineness of alumina is 15...

Embodiment 2

[0049] An anti-coking and anti-corrosion treatment agent for boilers in this embodiment, the treatment agent includes, in parts by mass, 5 parts of zirconia, 10 parts of refractory fine soil, 5 parts of sodium soil powder, 13 parts of silicon carbide, and boron nitride. 15 parts, 25 parts of brown corundum, 2 parts of cobalt oxide, 10 parts of chromium oxide green, 10 parts of aluminum oxide, 10 parts of phosphoric acid solution, 5 parts of aluminum dihydrogen phosphate solution, 0.8-1 part of graphene, 1 part of carboxymethyl cellulose parts, 15 parts of water.

[0050] The fineness of the zirconia is 3000 meshes, the fineness of the refractory fine soil is 1000 meshes, the fineness of the sodium soil powder is 1000 meshes, the fineness of the silicon carbide is 3000 meshes, the fineness of the boron nitride is 1500 meshes, The fineness of brown corundum is 3500 mesh, the fineness of cobalt oxide is 1500 mesh, the fineness of chromium oxide green is 3000 mesh, the fineness of...

Embodiment 3

[0057] An anti-coking and anti-corrosion treatment agent for boilers in this embodiment, the treatment agent includes, in parts by mass, 4 parts of zirconia, 8 parts of refractory fine soil, 4 parts of sodium soil powder, 12 parts of silicon carbide, and boron nitride. 14 parts, 23 parts of brown corundum, 1.5 parts of cobalt oxide, 13 parts of chromium oxide green, 11 parts of aluminum oxide, 11 parts of phosphoric acid solution, 5.5 parts of aluminum dihydrogen phosphate solution, 0.9 parts of graphene, 1.5 parts of carboxymethyl cellulose, 16 parts water.

[0058] The fineness of the zirconia is 2500 meshes, the fineness of the refractory fine soil is 800 meshes, the fineness of the sodium soil powder is 800 meshes, the fineness of the silicon carbide is 2500 meshes, the fineness of the boron nitride is 1500 meshes, The fineness of brown corundum is 3500 mesh, the fineness of cobalt oxide is 1200 mesh, the fineness of chrome oxide green is 3000 mesh, the fineness of alumina...

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Abstract

The invention belongs to the technical field of boiler anti-coking treatment, in particular to a boiler anti-coking and anti-corrosion treatment agent and a preparation method and application thereof. Including 3-5 parts of zirconia, 5-10 parts of refractory fine soil, 3-5 parts of sodium soil powder, 11-13 parts of silicon carbide, 13-15 parts of boron nitride, 20-25 parts of brown corundum, and 1.5- parts of cobalt oxide 2 parts, 10-15 parts of chromium oxide green, 10-12 parts of aluminum oxide, 10-12 parts of phosphoric acid solution, 5-6 parts of aluminum dihydrogen phosphate solution, 0.8-1 part of graphene, 1-2 parts of carboxymethyl cellulose parts, 15-17 parts of water. The method provided by the invention enables the surface of the object to have a stronger ability to absorb and radiate heat by coating the surface of the heating surface with a layer of material with extremely nano-scale particle size and high emissivity, so as to improve the heat transfer efficiency of the object and solve the problem of boilers. A treatment method for coking, which can effectively alleviate and inhibit boiler coking, and ensure high-load, economical, safe and stable operation of boilers. The method has low cost, simple implementation and extremely obvious effect.

Description

technical field [0001] The invention belongs to the technical field of boiler anti-coking treatment, in particular to a boiler anti-coking and anti-corrosion treatment agent and a preparation method and application thereof. Background technique [0002] Some existing power plant boilers have different degrees of coking and slagging, and some power plants are forced to reduce boiler output by 10%-20% and thermal efficiency by 1%-2.5% due to serious coking. Because of coking in the furnace, the heat transfer resistance of the heating surface will increase, which will reduce the radiation heat absorption of the cold wall, increase the temperature of the flue gas at the furnace outlet, and affect the water circulation conditions, so that the convection heating surface will be overheated due to the increase in heat load; the burner Coking at the nozzle and its vicinity will change the jet flow and the dynamic conditions in the furnace, which will affect the mixing and combustion ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B35/103C04B35/106C04B35/105F23M5/08
CPCC04B35/103C04B35/105C04B35/106C04B35/62222F23M5/08C04B2235/349C04B2235/386C04B2235/3826C04B2235/3275C04B2235/447C04B2235/425C04B2235/96C04B2235/9607C04B2235/77
Inventor 董培仑桂国喜
Owner 河南爱邦科技有限公司
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