Unpowered layered and lined coal feeding device of chain grate boiler
A technology of chain grate and coal feeding device, applied in the direction of block/powder supply/distribution, combustion method, combustion equipment, etc., can solve the problem of poor adaptability to changes in coal type and raw coal moisture, affecting boiler thermal efficiency and safety, and manufacturing , maintenance, high operating costs, etc., to achieve the effects of fast steam pressure and flow response, simple structure, and low operating costs
Active Publication Date: 2014-06-25
CHINA TOBACCO HENAN IND
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Problems solved by technology
[0002] At present, the layered branch coal feeding device for chain grate boilers on the market requires additional power and its transmission system, which increases the power consumption of the system. Poor adaptability to moisture changes, time-consuming and labor-intensive operation and adjustment, affecting boiler thermal efficiency and safety
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[0020] Example: such as Figure 1-7 As shown, a chain grate boiler unpowered layered branch coal feeding device includes a layered grid 2, a branch baffle 7 and its fixing and adjusting mechanism, and the layered grid 2 is divided into dense Rod area, bar thinning area and no rod area; the branch baffle plate 7 is arranged directly below the dense rod area of the layered grid 2, forming layered branches without power; the layered grid 2 is low in the front and high in the rear Inclined setting, the branch baffles 7 are set with a high front and a low slope at the rear, and adjustment mechanisms with adjustable inclination angles are respectively provided; the layered grid 2 and the branch baffles 7 are arranged between the front end of the boiler grate and the coal bunker outlet ( figure 1 Among them, 1 is the coal shifting roller, and 4 is the coal gate of the coal bunker), and the fixing mechanisms with adjustable installation heights are respectively set.
[0021] The g...
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The invention discloses an unpowered layered and lined coal feeding device of a chain grate boiler. The unpowered layered and lined coal feeding device comprises a layered grating, lined baffles and fixing and adjusting mechanisms thereof, wherein the layered grating is divided into a dense rod area, a sparse rod area and a rodless area from top to bottom; the lined baffles are arranged under the dense rod area of the layered grating; the layered grating is obliquely arranged and has a low front part and a high rear part; the lined baffles are obliquely arranged and has a high front part and a low rear part; the layered grating and the lined baffles are respectively provided with the adjusting mechanism with an adjustable oblique angle; and the layered grating and the lined baffles are arranged between the front end of a grate of the boiler and an outlet of a coal bin, and are respectively provided with a fixing mechanism with an adjustable installing height. The unpowered layered and lined coal feeding device has the advantages that external power and a transmission mechanism are not needed, the structure is simple, the operation and the adjustment are simple and convenient, the fault rate and the maintenance cost are low, the adaptability of the boiler to the quality, the water content and the granularity of coal are improved, the burning efficiency is high, the energy consumption is low, the safety of the coal bin of the boiler is improved and the coal resource is greatly saved.
Description
technical field [0001] The invention relates to a non-powered layered and branched coal feeding device for a chain grate boiler, which is used for layered and branched coal feeding of the chain grate boiler. Background technique [0002] At present, the layered branch coal feeding device for chain grate boilers on the market requires additional power and its transmission system, which increases the power consumption of the system. The adaptability to moisture changes is poor, and the operation and adjustment are time-consuming and laborious, which affects the thermal efficiency and safety of the boiler. Contents of the invention [0003] The invention provides a non-powered layered branch coal feeding device for chain grate boilers, which does not require additional power and transmission systems, has a simple structure, low production, maintenance and operation costs, has strong adaptability to changes in coal types and raw coal moisture, and can be adjusted in operation....
Claims
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IPC IPC(8): F23K3/08
Inventor 张喆王文辉涂成金党辉杜云丽杨如惠王广胜
Owner CHINA TOBACCO HENAN IND
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