Control system and method for protecting emulgator

Abstract

The invention discloses a control system and method for protecting an emulgator. The system comprises a sound pickup device, a conversion module, a comparison module and an execution module that are orderly in electric connection; wherein the sound pickup device is used for picking up sound of a bearing of the emulgator, the conversion module is used for converting sound picked up by the sound pickup device into digital signals, the comparison module is used for comparing the digital signals and preset signals, and the execution module is used for executing results obtained via the comparison module. The beneficial effects of the control system and method for protecting the emulgator are that the sound pickup device is added on a bearing of the emulgator, the sound pickup device is used for collecting sound frequency generated by the bearing of the emulgator, and an upper limit and a lower limit of the sound frequency are set in an emulsion explosive production line control system; when the sound frequency reaches the upper limit, instructions are sent out via the emulsion explosive production line control system, the emulgator is enabled to shutdown automatically, and the emulgator can be prevented from explosion caused by high speed collision between a stator and a rotor due to the bearing.

Description

technical field [0001] The invention relates to the technical field of emulsion explosive control, in particular to a control system and method for protecting an emulsifier. Background technique [0002] The key equipment of the prior art emulsion explosive production line is an emulsifier, which includes a motor supported by a bracket and connected to the main shaft through a coupling. The lower part of the emulsifier is provided with an emulsification chamber (in which there is a rotor fixed on the main shaft), a base and a stator fixed in the base. The bottom of the emulsification chamber is equipped with fixed blades, and the inner circumference of the stator is uniformly distributed with rectangular grooves, while the rotor adopts a composite design of axially short teeth, the bottom of which adopts a blade structure, and the rest of the outer ring is uniformly distributed with shear blocks. The radial shear gap between the stator and the rotor is 5 mm, and the axial g...

AI Technical Summary

Problems solved by technology

[0003] However, since the radial and axial gaps between the stator and the rotor are only at the millimeter level, as long as the bearing is damaged during the production process, the stator and the rotor will collide, and the rotor speed is as high as 970r / min. As long as the collision occurs, the ammonium nitrate and the oil phase will form Under the high-speed collision between the stator and the rotor, the water-in-oil matrix generates a large amount of heat, which leads to the decomposition of ammonium nitrate, which causes the emulsifier to explode

Images