Cylindrical granular fuel, preparation method thereof and equipment used for preparation method

Abstract

The invention discloses cylindrical granular fuel, a preparation method thereof and equipment used for the preparation method. The cylindrical granular fuel is prepared by mixing crushed coal and straw cylindrical particles in the weight ratio of 1:0.15-0.7, and the cylindrical granular fuel is in the shape of a solid cylinder. The preparation method of the cylindrical granular fuel includes the following steps of firstly, preparing crushed coal for standby application; secondly, crushing straws; thirdly, disposing crushed straws into a straw wheel extruder to extrude straw cylindrical grains; and fourthly, uniformly mixing the crushed coal and the straw cylindrical grains and then disposing the coal and straw mixture into the wheel extruder and extruding the cylindrical granular fuel. The equipment used for the preparation method includes the straw wheel extruder and a coal and straw mixing wheel extruder. The cylindrical granular fuel is high in rigidity, convenient in storage and transport and easy to burn continuously, can be used as industrial fuel and overcomes the defects in the prior art thoroughly since the crushed coal and the straws are mixed to be extruded into cylindrical grains.

Description

technical field [0001] The invention relates to a fuel, which is a column particle fuel and a preparation method and equipment thereof. Background technique [0002] The technical scheme of mixing raw materials such as pulverized coal and stalks to make fuel has been disclosed for many years, but the phenomenon that the stalks are burned to pollute the environment in large quantities has not been solved so far. Raw materials such as binders must be added, otherwise, this mixed fuel cannot be molded and cannot be transported. However, the coal-straw mixed fuel with binder cannot continue to burn in the furnace, and generally lasts for about 15 minutes. Therefore, at present, all stoves cannot make the coal-straw mixed fuel burn normally. One of the main reasons why the furnace cannot be used. Yet, the heavy smoke that produces when stalk is burned in a large amount still needs control to the air pollution, meanwhile, a large amount of pulverized coal can only be used for m...

AI Technical Summary

Problems solved by technology

[0002] The technical scheme of mixing raw materials such as pulverized coal and stalks to make fuel has been disclosed for many years, but the phenomenon that the stalks are burned to pollute the environment in large quantities has not been solved so far. Raw materials such as binders must be added, otherwise, this mixed fuel cannot be molded and cannot be transported

However, the coal-straw mixed fuel with binder cannot continue to burn in the furnace, and generally lasts for about 15 minutes. Therefore, at present, all stoves cannot make the coal-straw mixed fuel burn normally. One of the main reasons why the furnace cannot be used

However, when the stalks are burned in large quantities, the air pollution caused by the dense smoke still needs to be controlled. At the same time, a large amount of crushed coal can only be used to make fuels such as briquettes, and cannot be used as an important gas industrial fuel.

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