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Combined coal powder storage and supply system

A combined and pulverized coal technology, which is applied in the direction of block/powder supply/distribution, fuel supply, lighting and heating equipment, etc., can solve the problem of long intervals of pulverized coal supply, uneven combustion in the boiler furnace, and unfavorable blowing of pulverized coal and other problems, to achieve the effect of ensuring normal and stable operation, realizing real-time monitoring, and easy operation

Active Publication Date: 2011-10-05
CHINA COAL RES INST CCRI ENERGY SAVING TECH CO LTD
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AI Technical Summary

Problems solved by technology

The disadvantages of this kind of feeding device are: long coal powder supply intervals, slow and uneven coal feeding speed, and at the same time, because the feeding pipe is vertically arranged, the coal powder fed into the air pipe will accumulate, which is not conducive to Blowing pulverized coal into the boiler furnace will cause uneven combustion in the boiler furnace

Method used

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  • Combined coal powder storage and supply system
  • Combined coal powder storage and supply system
  • Combined coal powder storage and supply system

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Embodiment Construction

[0018] The present invention will be described in detail below with reference to the drawings and embodiments.

[0019] Such as figure 1 , figure 2 As shown, the present invention includes a pulverized coal storage tank 1, a weighed pulverized coal supply bin 2, a pulsation-free pulverized coal supply device 3, and a support 4. The pulverized coal storage tank 1 is vertically arranged on the top of the support 4, which includes three sections, an upper section, a middle section, and a lower section. The upper section is a dome-shaped head 101, which meets the standard of a pressure vessel head device; the middle section is a cylindrical cylinder 102 , Is the main part of storing pulverized coal; the lower section is a conical hopper 103, which is convenient for automatic blanking of pulverized coal. A feeding port (not shown in the figure) is opened on the sealing head 101, and the feeding port is connected with a pulverized coal feeding pipe 5. A bag filter 104 is arranged at ...

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Abstract

The invention relates to a combined coal powder storage and supply system which comprises a coal powder storage tank, a weighing coal powder supply silo, a pulse-free coal powder supply device and a support; the coal powder storage tank is vertically arranged at the top of the support, the weighing coal powder supply silo is vertically arranged on the support below the coal powder storage tank, the pulse-free coal powder supply device is arranged below a discharging opening of the weighing coal powder supply silo, and a flexible connector in the center at the top of a sealing head of the weighing coal powder supply silo is connected with a discharging opening of the coal powder storage tank through a rotary valve; and a fluidization component is arranged on the outer wall of a conical hopper of the coal powder storage tank, and a coal powder anti-arching stirring device is arranged on a hopper of the weighing coal powder supply silo. The invention has compact structure, reasonable layout, automatic feeding and stable supply and can solve the problems frequently existing in the ordinary coal storage silo and the supply silo of birdnesting, bridging, rat hole, channeling, wall build-up, breakage, self combustion, and the like; and the invention can be widely used in any situation where the small and medium-sized industrial coal powder boilers are required.

Description

Technical field [0001] The invention relates to a powder material storage and supply system, in particular to a combined coal powder storage and supply system. Background technique [0002] At present, traditional industrial boiler systems generally do not have dedicated supply bins, but only traditional coal storage bins. This kind of coal storage bunker has only a single storage function, and problems such as agglomeration, bridging, rat holes, gully, and spontaneous combustion often occur, which in turn causes uneven or uneven coal transportation in the coal supply system. The coal system forms a blockage of coal, which causes equipment failure and makes the boiler system unable to work normally. At the same time, the traditional coal storage bunker has design flaws in the material level problem, and the remaining material amount of the storage bin cannot be clearly understood, which often causes powder breakage and material breakage, which affects the normal operation of the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B65G65/40B65G65/46B65G33/14B65G33/24B65G47/16B65G47/34B65G53/04B65G53/48B65D88/54B65D88/72B65D88/64B65D90/00B65D90/48F23K3/02
Inventor 王乃继纪任山冀飞周建明何海军范玮肖翠微张帆
Owner CHINA COAL RES INST CCRI ENERGY SAVING TECH CO LTD
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