Double-inlet and double-outlet pulverized coal separator structure
A double-inlet and double-outlet separator technology, applied in the direction of solid separation, separation of solids from solids with airflow, chemical instruments and methods, etc., can solve the problems of increasing costs, poor uniformity of coal powder, and increasing power consumption and coal consumption of power plants and other problems, to achieve the effects of reducing power consumption and coal consumption, good fineness adjustment characteristics, and good anti-blocking function
Active Publication Date: 2011-12-28
无锡经济开发区知识产权保护中心
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Problems solved by technology
Due to the large change in the type of coal used, each part of the separator with this structure is easily blocked by debris in the raw coal, and the effect of the separator is poor, resulting in coarse coal powder and poor uniformity of coal powder
It brings about the instability of boiler combustion, correspondingly increases the power consumption and coal consumption of the power plant, and increases the cost of power generation
Method used
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[0012] Below the present invention will be further described in conjunction with the embodiment in the accompanying drawing:
[0013] The present invention mainly consists of Figure 1 ~ Figure 2 As shown, it includes a pulverized coal distributor 1, an outer cylinder 2, an inner cylinder 4, an inner cone 5, an outer cone 6, a pulverized coal separation adjustment device 7 (including an inner shaft seat 7-1, a shaft sleeve 7-2 , inner end shaft 7-3, outer end shaft 7-4, outer shaft seat 7-5, gland 7-6, sealing cover 7-7, nut 7-8, wear-resistant ceramic sheet 7-9 and baffle plate 7-10, powder return bucket 8 and powder return air lock device 9, etc.
[0014] image 3 As shown, it includes fan 10, coal mill 11, coal feeder 13 and boiler 14, etc.
[0015] The pulverized coal distributor 1 of the present invention is installed on the outer cylinder 2, the outer cylinder 2 is connected with the outer cone 6, the inner cylinder 4 is arranged in the outer cylinder 2, and the inner...
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The invention relates to a structure of a double-inlet and double-outlet pulverized coal separator, in particular to boiler equipment suitable for direct-blowing double-inlet and double-outlet steel ball mills in the pulverizing system of thermal power plants, belonging to a two-phase flow from gas and powder. A device for separating coarse powder. It mainly adopts the pulverized coal distributor installed on the outer cylinder, the outer cylinder is connected with the outer cone, the inner cylinder is arranged in the outer cylinder, and the inner cone is arranged in the outer cone; the lower end of the outer cone is connected to the powder bucket, the return powder bucket The powder return pipe is connected to the powder return air locking device, and a superior baffle is arranged between the outer cylinder and the inner cylinder. The structure of the invention is simple, compact and reasonable; the folding baffle of the pulverizing system separator has better fineness adjustment characteristics; it has a better anti-blocking function, and there is no sundries on the baffle; it can reduce power consumption and coal consumption, and each The furnace can save about 9,600 tons of standard coal per year.
Description
technical field [0001] The invention relates to a double-inlet and double-outlet pulverized coal separator structure, in particular to boiler equipment suitable for direct-blowing double-inlet and double-outlet steel ball mills in the pulverization system of thermal power plants, belonging to the two-phase flow from gas-powder two-phase flow Device for separating coarse powder. Background technique [0002] In the existing technology, it is used to separate the impurities in the raw coal and the thickness of the pulverized coal particles, usually using a double-inlet and double-outlet coarse powder separator, which is mainly composed of a coal powder distributor, a cylinder, an inner cylinder Body, inner cone, outer cone, powder return bucket and powder return air lock device. Due to the large change in the type of coal used, each part of the separator with this structure is easily blocked by debris in the raw coal, and the effect of the separator is poor, resulting in coar...
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IPC IPC(8): B07B7/00B07B11/02
Inventor 杭文华
Owner 无锡经济开发区知识产权保护中心