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Rotary kiln safety production protection system

A protection system and safe production technology, applied in general control system, control/regulation system, rotary drum furnace, etc., can solve problems such as scrapping of materials after firing, damage of electric lifting bars of mechanical structure of equipment, etc., and achieve stable pressure in the furnace , Improve production efficiency and avoid leakage

Active Publication Date: 2020-11-13
FOSHAN TIANLU INTELLIGENT EQUIP TECH CO LTD
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AI Technical Summary

Problems solved by technology

The electric lifting bar exceeds the limit position of the rise and fall of the mechanical design, or the electric lifting bar is misoperated after the mechanical device is fixed, which may cause damage to the mechanical structure of the equipment or the electric lifting bar. The inclination angle is an important process parameter. Misoperation It may cause the material to be burned and scrapped

Method used

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  • Rotary kiln safety production protection system
  • Rotary kiln safety production protection system
  • Rotary kiln safety production protection system

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Embodiment Construction

[0059] see Figure 1-23 The multiple safety subsystems of the rotary kiln, the safety production system operation protection UPS system during the power failure of the rotary kiln can effectively avoid the hazards caused by sudden power failure. The system mainly includes UPS power supply and the power control system of the entire rotary kiln. This system is mainly to install a UPS power supply at the control power supply of the rotary kiln. During normal power supply, the UPS acts as a voltage stabilizer, and at the same time charges the battery inside the machine. When the power is cut off, the UPS immediately supplies the electric energy in the battery to the control power supply. In this case, the PLC control system will switch the operation of the equipment to the power-off safe operation mode: in this mode, 1. The feeder stops running and no longer continues to feed materials into the kiln, and the inner tank (heating / cooling) remains 2. The heating circuit will be cut ...

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Abstract

The invention discloses a rotary kiln safety production protection system. The system comprises a PLC controller and an output and input device. The PLC controller is in coupling control with the plurality of safety subsystems; during power failure, the safety production system operates to protect the UPS system, a dangerous area enters the real-time photoelectric monitoring alarm system, and dangerous gas leakage of a working area outside the furnace is detected and alarmed in real time, a system, a kiln stopping maintenance misoperation protection system, a rotary inner container (heating / cooling) operation monitoring alarm system, an automatic feeding, weighing system operation alarm protection system, an automatic discharging system operation protection system, a heating automatic control protection alarm system, a cooling water automatic circulation, high water temperature and water supply operation protection system, a waste gas incineration treatment furnace automatic operationmonitoring system, an in-furnace pressure control and exhaust dust collection protection system, a rotary furnace operation data acquisition and wireless remote monitoring system, an inner container inclination angle protection system, an in-furnace atmosphere detection alarm system, a double-PLC design system and a real-time alarm monitoring system are switched off.

Description

technical field [0001] The invention relates to the technical field of PLC control of a rotary kiln, in particular to a safety production protection system for a rotary kiln. Background technique [0002] Rotary kiln is a kind of thermal equipment that uses electricity or natural gas to calcine, roast or dry granular and powdery materials. Rotary kiln may encounter many problems during work, such as: [0003] During the normal production and operation of the rotary kiln, if the power is suddenly cut off, the following points may cause damage to the equipment or personnel: When the equipment is powered off, the temperature in the furnace is still high, and the heating liner does not rotate for a long time, and bending may occur When the equipment is out of power, the materials in the furnace are still being fired, and when the incineration treatment furnace and exhaust dust collector cannot operate, a large amount of waste gas will accumulate in the furnace and cannot be disc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/05F27B7/42
CPCF27B7/42G05B19/058G05B2219/14006
Inventor 李金瑞黄俊初李韬胡忠富张军明
Owner FOSHAN TIANLU INTELLIGENT EQUIP TECH CO LTD
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