Self-cleaned reactor for coal pyrolysis and reaction system
A reactor and self-cleaning technology, which is applied in the field of coal pyrolysis, can solve problems such as tar coking reaction and reactor thermal efficiency decline, and achieve the effects of improving heat transfer efficiency, improving space utilization, and occupying a small area
Pending Publication Date: 2017-05-31
SHENWU TECH GRP CO LTD
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Problems solved by technology
[0005] The purpose of the present invention is to provide a coal pyrolysis self-cleaning reactor and reaction system to solve the problem in the prior art that tar is prone to coking reaction during coal pyrolysis, resulting in a decrease in the thermal efficiency of the reactor
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Embodiment 1
[0052] Such as image 3 As shown, a certain amount of granular coal or pulverized coal or a mixture of the two with a diameter less than 50 mm is dried and then enters the self-cleaning reactor 7 through the silo 1 and the reactor raw material inlet 2 .
[0053] There are a certain number of rotors 3, stirring plates 9 and self-cleaning paddles 10 in the self-cleaning reactor 7, wherein the rotors 3 and the stirring plates are hollow and serve as heat carrier channels.
[0054] The arrangement of the inner rotor 3, the stirring plate 9 and the self-cleaning paddle 10 of the self-cleaning reactor is as follows figure 1 shown.
[0055] This self-cleaning reactor comprises three rotors 3-1, 3-2 and 3-3, and a certain number of stirring discs 9 are arranged on each rotor, and self-cleaning paddles 10 are arranged at the end of the stirring discs 9; Inside the barrel 8, four stators 11-1, 11-2, 11-3 and 11-4 are arranged adjacent to the front and rear paddles to clean the self-cl...
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The invention relates to a self-cleaned reactor for coal pyrolysis and a reaction system. The self-cleaned reactor comprises a sandwich sleeve and a rotary stirring part, wherein the sandwich sleeve comprises an inner sleeve and an outer sleeve, and raw material inlets, gas phase outlets and semi-coke outlets which communicate with the inner side of the inner sleeve are separately formed in the axial two ends of the sandwich sleeve; and the rotary stirring part is arranged at the inner side of the inner sleeve and comprises a rotor, a stirring disk and blades, the rotor is rotatably arranged in the sandwich sleeve, extends to the bottom of the sandwich sleeve from an inlet end of the sandwich sleeve and is of a hollow rod structure, the stirring disk is fixedly arranged on the external surface of the rotor, is arranged in a manner of being vertical to the axial direction of the rotor or forming an angle with the axial direction of the rotor and comprises a group of supporting rods, and the blades are arranged at tail ends of the supporting rods. According to the self-cleaned reactor for coal pyrolysis and the reaction system, the problem in cleaning of the existing coal pyrolysis reactors is solved, the heat transfer efficiency is increased, the space utilization ratio of the reactor is increased, and the floor area is small.
Description
technical field [0001] The invention generally relates to the field of coal pyrolysis, in particular to a coal pyrolysis self-cleaning reactor and a reaction system. Background technique [0002] Coal pyrolysis refers to the process of obtaining coal gas, tar and semi-coke through a series of physical changes and chemical reactions when coal is heated to 500-1100 ° C under the condition of isolation of oxygen. At the pyrolysis temperature, the generated tar is prone to coking reaction, resulting in a decrease in the thermal efficiency of the reactor, which requires regular cleaning and affects production efficiency. [0003] Existing coal pyrolysis reactors include vertical furnaces, rotary beds, rotary kilns, etc., all of which have more or less cleaning problems. At the same time, there are also high requirements for raw materials, low space utilization, and low heat transfer coefficients. and other shortcomings. The use of spouted bed and fluidized bed can solve part of...
Claims
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Login to View More IPC IPC(8): C10B53/04C10B47/18
CPCC10B53/04C10B47/18
Inventor 孟嘉乐郑倩倩窦从从王培伦吴道洪
Owner SHENWU TECH GRP CO LTD