Silo wall rapping air hammer

Abstract

The invention discloses a bunker wall vibration air hammer, which solves the problem of lower hopper-plugging dredging efficiency at present and is characterized by comprising an electromagnetic reversing valve, an air cylinder, a hammer head, a quick exhaust valve and the like, wherein the electromagnetic reversing valve is connected with an air outlet pipeline of an air storage tank through an air inlet pipeline, connected to one end of the air cylinder through a front air pipe and connected to the other end of the air cylinder through a rear air pipe and the quick exhaust valve; an adjustment valve is arranged between the rear air pipe and the quick exhaust valve; the air cylinder is fixed on a base; and a piston rod of the air cylinder is connected with the hammer head. The bunker wall vibration air hammer has a simple structure and low manufacturing cost; the whole device is arranged outside the wall of a hopper, so openings are not required to be formed on the hopper, the dredging capability is higher and the bunker wall vibration air hammer is quick and convenient to install and maintain; due to an electric control system, regular and continuous vibration can be realized and the vibration frequency can be set randomly; furthermore, the vibration strength is higher, can be adjusted and much higher than manual strength; the vibration is uniform and an effect is outstanding, so the working efficiency can be improved by multiple times; and the bunker wall vibration air hammer is particularly applicable to dredging of raw coal bunkers of thermal power plants.

Description

Technical field [0001] The invention belongs to a dredging device in the conveying process of solid particle materials, more precisely, it belongs to a device for clearing the clogging of a hopper and making the material conveying smooth. Background technique [0002] During the process of conveying powdery, granular, massive or mixed solid materials, due to the high humidity, high ash content and high viscosity of the material, the material will adhere to the silo wall or be blocked in the silo or cone. Bucket and other containers, or arching in the hopper, resulting in cut-off, affecting the normal and continuous production, especially often encountered in the process of transporting raw coal in thermal power plants. Due to the ash and moisture, the pressure of the upper coal can easily squeeze the raw coal into lumps, causing the coal hopper to stick to coal, canopy coal, form arches, and block coal, which will cause safety hazards and affect the power generation of the u...

AI Technical Summary

Problems solved by technology

[0002] During the process of conveying powdery, granular, massive or mixed solid materials, due to the high humidity, high ash content and high viscosity of the material, the material will adhere to the silo wall or be blocked in the silo or cone. Bucket and other containers, or arching in the hopper, resulting in cut-off, affecting the normal and continuous production, especially in the process of transporting raw coal in thermal power plants.

Due to the ash and moisture, the pressure of the upper coal can easily squeeze the raw coal into lumps, causing the coal hopper to stick to coal, canopy coal, arch, and block coal, causing safety hazards and affecting the power generation of the unit

[0003]At present, the more commonly used method is to manually use a sledgehammer to beat the bucket wall vigorously, which is more effective for short-term awning coal, but for longer awning coal If it cannot meet the requirements of the site, it will either set up scaffolding, which will cause personal safety hazards, or stop the machine and enter the inside of the coal hopper for thorough cleaning

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