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Chlorine fixing agent suitable for waste derived fuel, and preparation method and application thereof

A waste-derived fuel and chlorine agent technology, applied in the fuel, solid fuel, petroleum industry, etc., can solve the problems of weak irritation, eye burns, weak corrosion, etc., and achieve reduced ignition performance, high compressive strength, and energy consumption low effect

Active Publication Date: 2012-11-14
BEIJING BUILDING MATERIALS ACADEMY OF SCI RES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But CaO is a non-renewable resource, and Na 2 CO 3 It is weakly irritating and weakly corrosive, direct contact can cause skin and eye burns

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] A chlorine fixation agent suitable for refuse-derived fuels, the raw materials of the chlorine fixation agent include carbide slag, fly ash, and an activator, and the weight and number ratios of the calcium carbide slag, fly ash, and activator are:

[0043] Carbide slag 60~80

[0044] Fly ash 15~30

[0045] Stimulator 3~10;

[0046] Wherein, the activator is potassium permanganate; the calcium carbide slag is waste in the production of PVC by calcium carbide method.

[0047] Further, the carbide slag is a paste, the fly ash is powder, and the potassium permanganate is powder.

[0048] A preparation method suitable for a chlorine-fixing agent for garbage-derived fuels, extracting respectively according to the ratio of parts by weight:

[0049] Carbide slag 60~80

[0050] Fly ash 15~30

[0051] Stimulator 3~10;

[0052] Put the calcium carbide slag, fly ash, and potassium permanganate in the above ratio into a mixer and mix at room temperature for at least 30 minute...

Embodiment 2

[0066] The present embodiment is a preferred scheme based on embodiment 1, and the quality of the raw materials used is the same as that of embodiment 1, wherein, the weight and number ratio of described carbide slag, fly ash, activator is:

[0067] Carbide slag 70

[0068] Fly Ash 25

[0069] Stimulant 5;

[0070] Wherein, the activator is potassium permanganate, the calcium carbide slag is waste in the production of PVC by calcium carbide method, and the potassium permanganate is in powder form.

[0071] Refer to Example 1 for the preparation method and usage method of this example, and use the ratio of parts by weight of carbide slag, fly ash, and activator described in this example.

Embodiment 3

[0073] The present embodiment is a preferred scheme based on embodiment 1, and the quality of the raw materials used is the same as that of embodiment 1, and the ratio of parts by weight of the raw materials included in the chlorine-fixing agent is:

[0074] Carbide slag 60

[0075] Fly Ash 15

[0076] Stimulant 3;

[0077] The activator is potassium permanganate, the calcium carbide slag is waste in the production of PVC by calcium carbide method, and the potassium permanganate is in powder form.

[0078] Refer to Example 1 for the preparation method and usage method of this example, and use the ratio of parts by weight of carbide slag, fly ash, and activator described in this example.

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Abstract

The invention aims to provide a chlorine fixing agent suitable for reducing chloride emission in combustion gas of tail gas waste derived fuel. The chlorine fixing agent comprises the following components of acetylene sludge, fly ash and exciting agent in percentage of (60-80): (15-30): (3-10) by weight. With the adoption of the chlorine fixing agent, the purpose of treatment of wastes with processes of wastes against one another is realized; the waste is extruded into waste gas waste derived fuel at normal temperature under normal pressure, and the energy consumption is low; the volatilization rate of S-element and Cl-element are reduced greatly, so the chlorine fixing agent is beneficial for the waste combustion treatment; and the inflaming property of the waste is reduced. The waste derived fuel prepared by the preparation method has high compressive strength, and is suitable for the subsequent use of the waste derived fuel in combustion furnace and gasification furnace.

Description

technical field [0001] The invention belongs to the field of treating solid fuels for improving combustion, and particularly relates to a chlorine fixation agent suitable for garbage-derived fuels and its preparation method and application. The raw materials of the chlorine fixation agent include calcium carbide slag, fly ash, excitation agent; the chlorine-fixing agent can increase the molding rate and compressive strength of the garbage-derived fuel on the garbage sieve. Background technique [0002] With the continuous expansion of city scale, the increasing urban population and the continuous improvement of people's living standards, the generation of urban domestic waste is gradually increasing. As early as 1996, the volume of urban waste removal in China had reached 100 million tons, and it was growing at a rate of 8% to 10% every year. The annual accumulation of garbage has reached more than 6 billion tons, and more than 200 cities across the country have been surrou...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10L9/10
Inventor 李春萍黄乐顾军
Owner BEIJING BUILDING MATERIALS ACADEMY OF SCI RES
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