A hood used on a boiler in the electric power industry
A technology in the power industry and boilers, which is applied in the direction of burning fuel in a molten state, combustion type, combustion method, etc., to achieve the effect of avoiding economic losses
Active Publication Date: 2019-12-20
山东信开源科技创新发展有限责任公司
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Problems solved by technology
There are generally hundreds or thousands of air caps, which are arranged at the bottom of the furnace at intervals of 20-50 cm, so as to distribute the air evenly, ensure the uniform fluidization of the entire furnace, and avoid local coking; The air will stop entering the wind, and the pulverized coal will fall under the action of gravity, and the falling pulverized coal will fall on the outside of the hood, and the pulverized coal will form coking phenomenon on the outside of the hood, and the coked powder will Coal will block the air outlet holes in the hood, so it is very important to design a hood for use on boilers in the power industry
Method used
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[0051] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
[0052] Such as figure 1 , 2 As shown, it includes a conical cap 1, a cylinder 2, an air outlet 3, a first fixed plate 4, a scroll spring 5, a support rod 6, a first fixed ring 7, a turbine blade 8, a push block 9, and a push rod 10. Second fixed ring 11, first drive ring 12, second drive ring 13, second fixed plate 14, drive plate 15, energy storage flywheel 16, first fixed shaft 17, second fixed shaft 18, first gear 19. Shaft sleeve 20, first one-way ring 21, second one-way ring 22, second gear 23, first square groove 24, first shaft hole 25, second shaft hole 26, third fixed shaft 27, first Two square grooves 28, the first ring gear 29, the third gear 30, the L-shaped...
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The invention belongs to the technical field of caps, and particularly relates to a cap used by a boiler in the electric industry. The cap comprises a conic cap, a barrel, air outlet holes, a first fixed plate, a volute spiral spring, supporting rods, a first fixed ring, turbine blades, a pushing block and the like. The four air outlet holes are evenly formed in the inner round face of the barrelin the circumferential direction. A through first square groove is formed in the end face of the first fixed plate. A first axial ole and a second axial hole are formed in the end face of one end of the first fixed plate and are located on the two sides of the first square groove. According to the cap, when the boiler stops work, pulverized coal is coked on the outer side of the cap to block the air outlet holes in the cap, at this moment, the pushing block enters the air outlet holes, and therefore the pulverized coal coked on an air outlet is pushed out, and therefore it is guaranteed that the cap can keep normal work, when the boiler works again, at this moment, the cap can guarantee the air outlet quantity of the boiler, and unnecessary economic losses are avoided.
Description
technical field [0001] The invention belongs to the technical field of wind caps, in particular to a wind cap used on boilers in the electric power industry. Background technique [0002] At present, the boilers in the existing electric power industry generally burn granular coal below 10mm, and the pulverized coal is blown up by the wind blown out of the hood to form a boiling combustion. There are generally hundreds or thousands of air caps, which are arranged at the bottom of the furnace at intervals of 20-50 cm, so as to distribute the air evenly, ensure the uniform fluidization of the entire furnace, and avoid local coking; The air will stop entering the wind, and the pulverized coal will fall under the action of gravity, and the falling pulverized coal will fall on the outside of the hood, and the pulverized coal will form coking phenomenon on the outside of the hood, and the coked powder will Coal will block the air outlet holes in the hood, so it is very important t...
Claims
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IPC IPC(8): F23C10/20
CPCF23C10/20F23C2206/10
Inventor 丁杨洋
Owner 山东信开源科技创新发展有限责任公司