Semicoke grinding system and method

A technology of semi-coke and high-temperature semi-coke, which is applied in combustion methods, lighting and heating equipment, block/powder fuel preparation, etc. It can solve the problems of increasing production cost of semi-coke, consuming large cooling water, and limiting material temperature, etc. Achieve the effect of reducing energy waste, simplifying production process and improving grinding efficiency
CN106513150AInactive Publication Date: 2017-03-22北京神雾电力科技有限公司
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
北京神雾电力科技有限公司
Publication Date
2017-03-22
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a semicoke grinding system and method. The semicoke grinding system comprises a pyrolyzing furnace, a high-temperature speed regulation feeder, a raw coal belt, a speed regulation coal feeder and a pulverizer. The high-temperature speed regulation feeder is arranged between the pulverizer and the pyrolyzing furnace. The speed regulation coal feeder is arranged between the pulverizer and the raw coal belt. The pulverizer comprises bearings and a barrel. The bearings are arranged on two sides of the barrel. The barrel comprises a feeding opening, a discharging opening, a housing, a lining plate and an insulating layer. The feeding opening and the discharging opening are respectively formed in two ends of the barrel. The housing is located on the surface layer of the barrel. The lining plate is arranged on the inner side of the housing, and is made of a high temperature resistant material. The insulating layer is arranged between the housing and the lining plate. The semicoke grinding system and method solve the grinding problem of high-temperature semicoke in a high temperature state, the high-temperature semicoke is ground into high-temperature coke powder through high temperature grinding, and high temperature coke powder is directly fed in a boiler for combustion through pneumatic transmission, so that the purpose that the high temperature semicoke is directly pulverized, and then the coal powder is transported for use is achieved.
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Description

technical field

[0001] The invention belongs to the technical field of coke powder and coal powder combustion power generation, and in particular relates to a semi-coke grinding system and method. Background technique

[0002] my country is rich in coal resources, and most of the raw coal is used for direct combustion to generate electricity, except for coking and conversion processing. The direct combustion of coal leads to the fact that the oil and gas resources rich in coal have not been fully refined and utilized, and the thermal efficiency of direct combustion is low, which seriously damages the environment. The pyrolysis of coal is to heat coal under an inert atmosphere to produce semi-coke, gas and tar and other products. These products can be used in stages to fully extract oil and gas resources while improving coal, especially lignite and coal. For the comprehensive utilization efficiency of long-flame coal, the high-temperature semi-coke currently generated needs ...

Claims

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