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Bonding agent suitable for preparing fuel derived from oversize material of garbage and application thereof

A technology for deriving fuels and binders, which is applied in biofuels, waste fuels, fuels, etc., can solve the problems of increasing the molding rate and falling strength, low moisture content, and difficulty in molding, and achieves elimination of garbage odor and high compressive strength. , the effect of low energy consumption

Active Publication Date: 2012-11-28
BEIJING BUILDING MATERIALS ACADEMY OF SCI RES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to address the above problems, to provide a binder suitable for the preparation of sieved garbage oversize garbage derived fuels, to solve the problems of low moisture content of garbage oversize and difficult molding, which can not only increase the amount of garbage Oversize waste-derived fuel products can improve the molding rate and drop strength, and can eliminate odor, reduce leachate production, and improve storage performance of waste-derived fuel

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] A binder suitable for the preparation of sieved garbage oversize garbage derived fuel, the weight and number ratio of the raw materials included in the binder is:

[0041] Carbide slag 50~80

[0042] Fly ash 5~10

[0043] Sludge 10~45.

[0044] Wherein, the calcium carbide slag is waste in the calcium carbide process PVC production, and the sludge is powdery.

[0045] Carbide slag is the largest amount of waste in the production of calcium carbide PVC. Every 1t of PVC produced will produce 3~5t of carbide slag with a solid mass fraction of 50%. Carbide slag has brought great harm to the production and living environment, and its treatment is one of the difficult problems in the PVC production industry at present. The main component of carbide slag is Ca(OH) 2 , also contains CaS, Ca 3 P 2 、H 3 P, Al 2 o 3 , Mg(OH) 2 , SiO 2 and other impurities.

[0046] The preparation method of the binder is as follows: respectively weigh the calcium carbide slag, fly ash...

Embodiment 2

[0058] This embodiment is a preferred scheme based on embodiment 1, 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 binder is:

[0059] Carbide slag 50

[0060] fly ash 5

[0061] sludge 45.

[0062] The unit of weight used in this embodiment is kilogram, and may also be ton.

[0063] Refer to Example 1 for the preparation method and application method of this example, and the ratio of parts by weight of raw materials is according to the data of this example.

[0064] The detection result of the binding agent described in the present embodiment is as follows:

[0065] Test result 1:

[0066] The garbage sieve of a garbage transfer station in Beijing has a moisture content of 30%. After two-stage crushing, 10% of the binder described in this example is added, and the garbage and the binder are mixed in a mixer. Fully mixed and extruded by a flat die molding machine, the molding...

Embodiment 3

[0072] This embodiment is a preferred scheme based on embodiment 1, the quality of the raw materials used is the same as that of embodiment 1, and the weight and number ratio of the raw materials included in the binder is:

[0073] Carbide slag 70

[0074] fly ash 10

[0075] sludge 20.

[0076] The unit of weight used in this embodiment is kilogram, and may also be ton.

[0077] For the preparation method and application method of this example, refer to Example 1, and the weight ratio of raw materials is according to the data of this example.

[0078] The detection result of the binding agent described in the present embodiment is as follows:

[0079] Test result 1:

[0080] The garbage sieve of a garbage transfer station in Beijing has a moisture content of 30%. After two-stage crushing, 10% of the binder described in this example is added, and the garbage and the binder are mixed in a mixer. Fully mixed and extruded by a flat die molding machine, the molding rate of th...

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Abstract

The invention discloses a bonding agent suitable for preparing fuel derived from oversize material of garbage and an application thereof. The bonding agent takes acetylene sludge, fly ash and sludge as raw materials, and the application of the bonding agent comprises the following steps: mixing crushed material of the oversize material of the garbage with the water content of 25-30% with the bonding agent according to a certain proportion, stirring till complete mixing to obtain a mixture, and performing extrusion treatment on the mixture to obtain the garbage-derived fuel. The bonding agent disclosed by the invention adopts the sludge as one of the raw materials, the price is low, and two kinds of municipal solid wastes can be simultaneously processed; and the bonding agent disclosed by the invention can solve the problems of low water content, difficulty in forming and the like of the oversize material of the garbage, not only increase the forming rate and the drop strength of a product of the fuel derived from the oversize material of the garbage, but also eliminate stench, reduce the production of percolating liquid and improve the storage performance of the garbage-derived fuel.

Description

technical field [0001] The invention belongs to the field of solid waste disposal, in particular to a binder prepared for fuel derived from waste oversize and its application. Background technique [0002] With the development of the economy and the improvement of the quality of life of the people, the public is paying more and more attention to environmental issues, and the requirements for environmental quality are gradually increasing. At the same time, with the continuous expansion of city scale and urban population, 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 surrounded by garbage, and the land area occupied by garbage accumulation has reached more than 500 million square meters. T...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10L5/46
CPCY02E50/30Y02E50/10
Inventor 李春萍黄乐顾军
Owner BEIJING BUILDING MATERIALS ACADEMY OF SCI RES
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