Full-automatic high-safety low-nitrogen hot air heating combustion system and its operation method

A high-safety, combustion system technology, used in air heaters, fluid heaters, lighting and heating equipment, etc., can solve problems such as the inability to reach the auto-ignition point temperature, achieve the highest level of safety and automation, ensure no leakage, Clear and rigorous effect of ignition operation logic
CN112611110BActive Publication Date: 2022-04-15WISDRI WUHAN WIS IND FURNACE
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
WISDRI WUHAN WIS IND FURNACE
Publication Date
2022-04-15

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Abstract

The invention discloses a fully automatic high-safety low-nitrogen hot air heating combustion system and an operation method thereof. When the pressure value, the pressure of the combustion air pipeline is lower than the set safety pressure value, and the pressure in front of the main gas manual regulating valve is higher than the set safety pressure value, an alarm will be sent to the controller to prevent the system from starting or automatically stop running. Shut-off valve 1 and main gas shut-off valve 2 are controlled by the controller and can be combined with the pressure switch between the two to realize automatic detection of whether the shut-off valve leaks or not. The pressure of the pipeline automatically adjusts the air-fuel ratio in real time. The ignition gas shut-off valve 1 and the ignition gas shut-off valve 2 are controlled by the controller. The controller can perform PID control on the electric regulating valve according to the temperature difference between the temperature uploaded by the thermocouple and the target temperature. The invention has high safety and stability and ultra-low NOx emission.
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Description

technical field

[0001] The invention belongs to the technical field of hot air heating, and in particular relates to a fully automatic high-safety low-nitrogen hot air heating combustion system and an operating method thereof. Background technique

[0002] The hot air heating system is widely used in the industrial field. According to the different heating temperature of the hot air, it is mainly divided into high temperature hot air heating (above 750°C) and medium and low temperature hot air heating (normal temperature to 750°C). Among them, the medium and low temperature hot air heating is more widely used. , Such as strip steel coating drying, automotive coating drying, paper drying, textile tenter setting, industrial packaging, indoor temperature adjustment and other fields. According to different heating methods, it is mainly divided into electric heating and gas heating. Among them, gas heating has more cost advantages and is favored by more and more industrial enterp...

Claims

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