Automatic rapping dust removing system

Abstract

The invention relates to an automatic rapping dust removing system comprising an electrical control cabinet and a PLC programmable programme control cabinet, wherein the PLC programmable programme control cabinet is accessed into a DCS (data communication system) and is connected with the electrical control cabinet; the electrical control cabinet is connected with cylinders on a plurality of mechanical rapping machines through air pipes; the mechanical rapping devices are mounted on the water wall of a gasification furnace at different parts; nitrogen is led to the air inlets of the mechanical rapping machines through sealed nitrogen hoses; compressed air is set into a power gas source and a control gas source after being accessed into the electrical control cabinet; the power gas source is connected to the power gas source interfaces of the cylinders of the mechanical rapping machines through power gas source hoses; and the control gas source is connected to the control gas source interfaces of the cylinders of the mechanical rapping machines through control gas source hoses. The technology of the invention is advanced in that the structure is more compact; gas in gasification equipment can be prevented from escaping effectively; rapping force, rapping frequency and rapping sequence can be controlled more effectively; and the distributed control system is centralized in management and dispersed in control.

Description

technical field [0001] The invention relates to a key equipment used in dry pulverized coal gasification technology, in particular to an automatic vibrating ash removal system. Background technique [0002] The resource distribution structure of my country's "coal-rich and oil-scarce" determines that coal will be used as the main primary energy for a long time in the energy consumption structure. There are problems such as low utilization rate and heavy pollution in the coal utilization process of coal power enterprises. Based on this problem, in the late 1990s, the country began to adopt clean coal technology and carry out engineering application promotion, and coal gasification technology was regarded as one of the important contents of clean coal technology. In the coal gasification process, the heat transfer surfaces such as the quenching tube of the gasifier, the gas return chamber, the cylindrical film wall of the syngas cooler, and the evaporator section are prone to ...

AI Technical Summary

Problems solved by technology

The electromagnetic rapper can be managed by a microcomputer, and the rapping program control can be realized through the programmable program controller, which can realize the flexible control of the rapping force and rapping frequency, but the existing problem is that with the increase of working time, the absorption of dust The dust on the surface of the plate is thickened, the dust collection efficiency is reduced, and the vibrating effect is still not good

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