Safe operation system and method for asphalt mixture plant-mixed hot regeneration equipment

Abstract

The invention relates to the technical field of asphalt recovery, in particular to a safe operation system and method for asphalt mixture plant-mixed heat regeneration equipment. By adding a detectiondevice and a controller, the operation condition of the equipment is detected in real time, fire extinguishing operation can be automatically executed when a fire occurs, the response speed is high,and safe and stable operation of the equipment is guaranteed; the fire extinguishing operation is carried out in a manner of adding a large amount of cold reclaimed materials into equipment; the coldreclaimed materials can be internally and directly cooled and open fire can be extinguished; compared with traditional external spray cooling, cooling and fire extinguishing are more direct, the effect is better, the fire extinguishing operation is actually performed to switch the working state of each part of the equipment, so that the obstruction of completing fire extinguishing or returning tothe normal working state is less, the restart working speed is high, the restart working difficulty is low, and the influence on enterprise production is small.

Description

technical field [0001] The invention relates to the technical field of asphalt recovery, in particular to a system and method for safe operation of thermal regeneration equipment in an asphalt mixture plant. Background technique [0002] As more and more highways in the country enter the overhaul stage, a large amount of waste asphalt mixture will be produced, and the large amount of waste asphalt mixture can be recycled and used to bring very considerable economic and social benefits. Heating and drying is a necessary link in the recycling of waste asphalt mixture. Asphalt mixture plant mixing heat recycling equipment is a high-temperature production equipment. The recycled material contains asphalt components. Due to operational errors, equipment failures and other reasons, equipment fires may occur. For example, material combustion occurs inside the recycled material drying drum. The drying drum is a relatively closed device, so it is not easy to observe directly when it...

AI Technical Summary

Problems solved by technology

Asphalt mixture plant mixing heat recycling equipment is a high-temperature production equipment. The recycled material contains asphalt components. Due to operational errors, equipment failures and other reasons, equipment fires may occur. For example, material combustion occurs inside the recycled material drying drum. The drying drum is a relatively closed device, so it is not easy to observe directly when it is on fire. When thick smoke is found from the recycled material drying drum, it has been a fire for a while and the fire has developed to a certain extent, and then the fire is extinguished. There is a certain lag in the work; usually the external fire is extinguished by fire extinguishers and other equipment, but the fire in the drum cannot be directly extinguished by fire extinguishers. Generally, the equipment is shut down and the fire is extinguished by means of external water spray cooling at the same time; After the fire is extinguished in this way, it takes a long time and is difficult to restart the equipment and return to the normal working state, which has a great impact on the production schedule

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