Rotary-cut type integrated central feeding machine

Abstract

The invention discloses a rotary-cut type integrated central feeding machine, and solves the problem of poor dredging effect in the prior art. The rotary-cut type integrated central feeding machine comprises an improved raw coal bin, a scraping device, a material pushing device, a hyperbolical or dried shrimp-shaped central feed hopper, an insert plate door, an intelligent electric cabinet and the like, wherein the hyperbolical or dried shrimp-shaped central feed hopper is connected with the feed opening of the raw coal bin; and the scraping device, the material pushing device and the insert plate door are controlled by the intelligent electric cabinet. The central feeding machine is designed reasonably, simple in structure, and convenient to mount, occupies no effective space of the improved raw coal bin, can be controlled intelligently, is high in practicability, mainly used for solving the problem of coal blockage of the improved raw coal bin of a coal burning power plant, is suitable for conveying raw coal of various qualities and types, and coal slime, and is also suitable for material conveying stock bins in other industries.

Description

technical field [0001] The invention relates to the field of feeders, in particular to a central feeder. Background technique [0002] The raw coal bunker is an important component of the boiler coal delivery system of a coal-fired power plant. It generally adopts a steel structure or a steel-concrete structure. The upper part is square or cylindrical in shape, and the lower part is conical or square conical. Particles flow by their own weight from top to bottom. Due to the gradual shrinkage of the section, the more the raw coal particles flow downward, the greater the extrusion force. When the raw coal is wet or mixed with coal slime, it is very easy to cause coal powder to stick to the wall, arch, block, and cause coal breakage, which seriously affects the stability of the boiler. Operation, especially in the rainy season is more serious. At present, in order to solve the problem of coal clogging in raw coal bunkers, domestic and foreign power industries generally adopt ...

AI Technical Summary

Problems solved by technology

The loosening machine uses the blockage removal device to reciprocate up and down along the inner side of the warehouse wall to loosen the blocked coal seam, but it is easy to cause new blockage when the equipment is not working; the air cannon uses the sudden release of the expansion shock wave to restore the gravity of the blocked raw coal particles Flow, but the loose area is small, it is easy to impact the coal seam into a mouse hole and lose its effect; the high-frequency vibrator uses high-frequency vibration to dredge, but because of the small amplitude, it is easy to cause more vibration and more solid

Third, install a rotary coal hopper loosening device. This type of equipment can only alleviate the coal blocking phenomenon to a certain extent, but the dredging effect is not obvious, and it is installed by suspension, which has potential safety hazards. Play a dredging role, but affect the normal production

In addition, there are also tower-type central feeder anti-blocking equipment installed. Since the equipment has a large tower component installed in the raw coal bunker and uses a single feeding device, it occupies the effective space of the raw coal bunker, and when the equipment fails, it will Cause downstream equipment to stop running, resulting in faulty coal failure

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