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Selection of gas-fired stove and electrical design of boiler room

2020-04-03

Through investigation on the selection of equipment in the gas boiler room in our country, the author finds that most of the furnaces of gas hot blast stoves are mainly closed type, which makes the choice of gas stoves different from coal-fired boilers. At the same time, the boiler burner is an important component of the boiler. At present, the boiler burners used in China account for a large proportion of the external burners in China. However, electrical design related personnel need to focus on the explosion-proof level of the supplied control box , Currently mainly based onIP 54The degree of protection is the main one. For this reason, the staff of electrical design should pay attention to the ventilation of the installation environment during installation and place it in a well-ventilated area.

Development of circuit design work in gas hot blast stove

As we all know, the electrical wiring in the boiler room needs to pass through galvanized steel pipes and be laid along the walls, columns, roofs and other parts. The electrical protection pipes should be delivered with low-pressure fluid. To connect the junction box and the metal lamp holder in the form of a jumper, in order to ensure the normal operation of the connection point of the electrical equipment, the electrical design related staff should also use the flexible connection tube to carry out the connection work.

In order to improve the quality of the circuit design work in the gas boiler room, the staff related to electrical design needs to carry out their work in strict accordance with the requirements of the "Code for Design of Electrical Devices for Explosive Hazardous Environments". At the same time, the installation work of the power cable should not be carried out simultaneously with the control cable thermal instrumentation cable. When installing cable trench cable supports, electrical design related staff should install signal cables, thermal instrument cables, and power cables on different cable support layers to ensure the normal operation of electrical circuits. Due to the limitation of the gas hot air furnace room and the limitations of the prior art, if the signal cable and the power cable use the same metal bridge together, the electrical design related staff must lay metal partitions in each metal bridge.

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