Coking technology for briquettes containing low-rank coal, garbage and biomass

A technology of biomass raw materials and low-rank coal, which is applied in the field of coking, can solve the problems of unrealizable, large-scale application of tamping coke ovens and low utilization, so as to reduce raw material costs, realize resource utilization, and overcome low utilization Effect

Active Publication Date: 2017-10-10
BEIJING SJ ENVIRONMENTAL PROTECTION & NEW MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The technical problem solved by the present invention is to overcome the defect that the existing technology cannot realize the large-scale application of low-rank coal, garbage and biomas

Method used

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Examples

Experimental program
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Example Embodiment

[0031] Example 1

[0032] The process of coking low-rank coal, garbage, and biomass molding materials described in this embodiment includes the following steps:

[0033] (1) Pack straws with a moisture content of 18wt% into bales to obtain a volume of 0.5m 3 The rectangular parallelepiped bundled material;

[0034] (2) Classify domestic waste, collect wood products, bamboo products, cotton and linen products, paper products, kitchen waste and other organic components, and dry the organic components under anaerobic conditions at 110°C until the water content is reduced To 25wt%;

[0035] (3) The organic components obtained in step (2) are mixed with sub-bituminous coal with a water content of 20 wt% at a mass ratio of 4:6 to form a mixture, and the mixture is filled into the inside of the bundle to form a core-shell structure The material; the mass ratio of the sub-bituminous coal and the bundled material is 1:5;

[0036] (4) Pressing the material under the conditions of 50°C and 15MPa...

Example Embodiment

[0039] Example 2

[0040] The process of coking molding material containing low-rank coal, garbage and biomass as described in this embodiment includes the following steps:

[0041] (1) Pack straws with a moisture content of 15wt% into bales to obtain a volume of 0.6m 3 The rectangular parallelepiped bundled material;

[0042] (2) Classify domestic garbage, collect wood products, bamboo products, cotton and linen products, paper products, kitchen waste and other organic components, and dry the organic components under anaerobic conditions at 120°C until the water content is reduced To 16wt%;

[0043] (3) The organic components obtained in step (2) are mixed with lignite with a water content of 15 wt% in a mass ratio of 5:5 to form a mixture, and the mixture is filled into the inside of the bundle to form a core-shell structure Material; the mass ratio of the lignite to the bundled material is 1:3;

[0044] (4) Pressing the material under the conditions of 100°C and 30 MPa to form a mo...

Example Embodiment

[0047] Example 3

[0048] The process of coking molding materials containing low-rank coal, garbage and biomass as described in this embodiment includes the following steps:

[0049] (1) Pack straws with a moisture content of 16wt% into bales to obtain a volume of 0.5m 3 The rectangular parallelepiped bundled material;

[0050] (2) Classify domestic garbage, collect wood products, bamboo products, cotton and linen products, paper products, kitchen waste and other organic components, and dry the organic components under anaerobic conditions at 115°C until the water content is reduced To 22wt%;

[0051] (3) Mix the organic components obtained in step (2) with sub-bituminous coal with a water content of 17 wt% and a binder to form a mixture, and then fill the mixture into the inside of the bundle to form a core-shell structure Materials;

[0052] The mass ratio of the organic component to the sub-bituminous coal is 7:3, the mass ratio of the sub-bituminous coal to the binder is 9:1, and ...

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Abstract

The invention provides a coking technology for briquettes containing low-rank coal, garbage and biomass. The technology comprises loading low-rank coal and garbage into a bundle-shaped material formed through packing of biomass, and then performing compacting treatment on the obtained material with a core-shell structure under specific conditions, so as to prepare the briquettes containing the low-rank coal, the garbage and the biomass. Therefore, the low-rank coal, garbage and biomass raw materials can be pushed into a stamp-charging coke oven for high-temperature dry distillation, and also, solid products generated after dry distillation of the low-rank coal, the garbage and the biomass can be easily pushed in the stamp-charging coke oven, and thus a considerable amount of raw gas, tar and carbon residues can be obtained. The technology of the invention not only can reduce the raw material cost of oil gas and coke products, but also can effectively realize resourceful utilization of garbage and biomass, and accordingly has both considerable economic benefits and certain social benefits.

Description

technical field [0001] The invention relates to the technical field of coking, in particular to a technology for coking molding materials containing low-rank coal, garbage and biomass by using a stamped coke oven. Background technique [0002] Since the eighteenth century, coal has become one of the energy sources widely used in the human world. As far as my country's energy consumption structure is concerned, coal currently accounts for about 70% and is the main energy source for the survival of the people. According to the difference in structure and composition, coal is divided into three categories: lignite, bituminous coal and anthracite, among which bituminous coal is divided into low metamorphic bituminous coal and medium metamorphic bituminous coal, and low metamorphic bituminous coal is also called sub bituminous coal, which together with lignite is collectively referred to as "low rank coal". coal". According to statistics, my country's low-rank coal reserves acco...

Claims

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Application Information

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IPC IPC(8): C10B53/08C10B53/02C10B57/04
CPCC10B53/02C10B53/08C10B57/04Y02E50/10
Inventor 林科杜明来赵文涛马芳白洪彬刘彦芳
Owner BEIJING SJ ENVIRONMENTAL PROTECTION & NEW MATERIAL CO LTD
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