False crash control method and device of fire grate control system

Abstract

The invention discloses a false crash control method and device of a fire grate control system. The false crash control method comprises the following steps: setting protecting time through a DCS control unit; controlling a fire grate to begin to advance by using the DCS control unit, and meanwhile, controlling advancing protecting time to begin to count down by using the DCS control unit; judging whether the fire grate runs to the foremost end or not, whether a detecting element detects completion of advancing of the fire grate or not, and whether an advancing completion detecting signal is transmitted to the DCS control unit or not before or while zero clearing of the advancing protecting time; controlling reversing of the fire grate by the DCS control unit; meanwhile, resetting the protecting time; and controlling the fire grate to begin to move back through the DCS control unit in a similar way until garbage in a fire grate incineration system is effectively incinerated totally and a whole incineration operation process is completed.

Description

Technical field [0001] The invention relates to the technical field of garbage incineration control, and more specifically, to a method and device for preventing false death of a grate control system. Background technique [0002] The grate is a component used for stacking and effectively burning domestic waste in the waste incinerator of a domestic waste incineration power plant, and it is directly related to the quality of waste incineration. All grate manufacturers at home and abroad use hydraulic drive, and they all operate in reciprocating mode. That is, the grate is moving forward, and there is a detection component that is advanced in place at the front end. When it is sensed that it is in place, it will send a signal to inform the control terminal, and the control terminal will cancel the forward instruction; the grate is moved back, and there is a back in place detection at the end When the component senses that it is back in place, it will send a signal to inform the c...

AI Technical Summary

Problems solved by technology

In the continuous cycle mode, the grate is often stuck due to high hardness components such as screws, construction waste, and bottle caps in the garbage components, and it stays in place for a long time, which means that the grate is in a state of suspended animation. Due to this problem It is relatively hidden, and it is difficult for the operating personnel to detect it at the first time

In this case, the garbage on this section of the grate cannot be stirred for a long time, so the pile becomes thicker and thicker, which greatly reduces the penetration ability of the primary air and seriously affects the incineration effect.

[0004] After the "fake death" phenomenon occurs, according to the operating conditions, the personnel on duty need to manually control the grate and repeat the operation several times until the jamming is eliminated. Such boring work takes up a lot of time and energy of the personnel on duty, and is easy to mislead The staff on duty missed key process parameter changes due to busy operation of the grate, which is very unfavorable to production management