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Composite material coating and its preparation method, and desulfurization system

A composite material and coating technology, used in mechanical equipment, pipes/pipe joints/fittings, damage protection, etc., can solve the problem that pipes cannot completely solve the problems of wear resistance and corrosion resistance of desulfurization pipes, low strength and corrosion resistance of FRP pipes speed increase and other problems, to achieve the effect of improving corrosion resistance and anti-corrosion ability, low cost, and excellent bonding force

Inactive Publication Date: 2017-04-26
FUNIK ULTRAHARD MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Pipes made of these materials cannot completely solve the problems of wear resistance and corrosion resistance required by desulfurization pipelines
For example, lining rubber pipes, the lining materials are all multi-layer composite materials, there are always interfacial pores between the material interfaces, and the lining materials will inevitably generate defects such as micro-bubbles and micro-cracks during the mixing and construction process; glass steel pipes (FRP ) has low strength and poor rigidity, and is prone to aging under long-term ultraviolet radiation; stainless steel pipes, because in wet flue gas desulfurization, the slurry medium has the effect of solid particle abrasion and the medium Cl - Exist, its passivation film is easy to be by Cl - Or solid particles are damaged by abrasion, so that the corrosion rate is greatly increased

Method used

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  • Composite material coating and its preparation method, and desulfurization system
  • Composite material coating and its preparation method, and desulfurization system
  • Composite material coating and its preparation method, and desulfurization system

Examples

Experimental program
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Effect test

Embodiment 1

[0036] The composite material coating of this embodiment is composed of the following components in mass percentage: component A 99% and component B 1%. Among them, component A is composed of the following components in mass percentage: 25% of alumina ceramic particle aggregate, 5% of diamond powder, and 70% of binder; the particle size of alumina ceramic particle aggregate is 25 μm, and the particle size of diamond powder is The diameter is 1μm; the binder is standard bisphenol A type epoxy vinyl ester resin. Component B is methyl ethyl ketone peroxide curing agent.

[0037] The preparation method of the component A of the composite coating of the present embodiment may further comprise the steps:

[0038] 1) Add the alumina ceramic particles and diamond micropowder in the prescribed amount into the planetary ball mill jar, and mix for 1.5 hours at a rotating speed of 350r / min to obtain a mixture;

[0039] 2) the mixture obtained in step 1) is vacuumed at 10 -1 Pa, under t...

Embodiment 2

[0043] The composite material coating of this embodiment is composed of the following components in mass percentage: component A 99.5% and component B 0.5%. Among them, component A is composed of the following components in mass percentage: silica ceramic particle aggregate 20%, diamond micropowder 15%, binder 65%; the particle size of silica ceramic particle aggregate is 20 μm, diamond micropowder The particle size is 2μm; the binder is novolac epoxy vinyl ester resin. Component B is methyl ethyl ketone peroxide curing agent.

[0044] The preparation method of the component A of the composite coating of the present embodiment may further comprise the steps:

[0045] 1) Add the silica ceramic particles and diamond micropowder in the formula amount into the planetary ball mill jar, and mix for 2 hours at a rotation speed of 420r / min to obtain a mixture;

[0046] 2) the mixture obtained in step 1) is vacuumed at 10 -1 Pa, at a temperature of 600°C, calcined for 1 hour to obtain...

Embodiment 3

[0050] The composite material coating of this embodiment is composed of the following components in mass percentage: component A 98%, component B 2%. Among them, component A is composed of the following components in mass percentage: 15% of silicon carbide ceramic granular aggregate, 25% of cubic boron nitride micropowder, and 60% of binder; the particle size of silicon carbide ceramic granular aggregate is 15 μm, cubic The particle size of boron nitride micropowder is 5 μm; the binder is standard bisphenol A type epoxy vinyl ester resin. Component B is a benzoyl peroxide curing agent.

[0051] The preparation method of the component A of the composite coating of the present embodiment may further comprise the steps:

[0052] 1) Add the silicon carbide ceramic particles and cubic boron nitride micropowder in the formula amount into the planetary ball mill tank, and mix for 3 hours under the condition of rotating speed of 500r / min to obtain the mixture;

[0053] 2) the mixtur...

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Abstract

The invention relates to a composite material coating and its preparation method, and a desulfurization system, and relates to the field of coating compositions. The composite material coating is prepared from 15 to 25% by mass of a ceramic particle aggregate, 5 to 25% by mass of super-hard micro-powder and the balance of a binder. The composite material coating solves the problem that in the prior art, a desulfurization pipe has poor corrosion resistance and poor wear resistance. The preparation method comprises 1) mixing ceramic particles and super-hard micro-powder according to a formula ratio to obtain a mixture, 2) calcining the mixture obtained in the step 1) in vacuum to obtain activated powder, and 3) adding a binder into the activated powder obtained in the step 2) according to a formula ratio and carrying out mixing. The ceramic particles and the super-hard micro-powder are activated by calcinations. The composite material coating has excellent corrosion resistance and wear resistance.

Description

technical field [0001] The invention relates to the field of paint compositions, in particular to a composite material paint, a preparation method thereof, and a desulfurization system. Background technique [0002] Wet desulfurization is suitable for flue gas desulfurization of large coal-fired power plants. Its characteristic is that the desulfurization system is located at the end of the flue and after the dust collector. The reaction temperature of the desulfurization process is lower than the dew point, so the desulfurized flue gas needs to be reheated before it can be discharged. . Because it is a gas-liquid reaction, the desulfurization reaction speed is fast, the efficiency is high, and the utilization rate of the desulfurization additive is high. [0003] The wet flue gas desulfurization slurry medium is mainly composed of limestone (CaCO 3 ) particles (containing a small amount of SiO 2 ), gypsum (CaSO 4 2H 2 O) Particle and water composition. The solid parti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B26/14F16L57/06F16L58/14
CPCC04B26/14F16L57/06F16L58/14
Inventor 马宁李丙文
Owner FUNIK ULTRAHARD MATERIAL