Instrument testing equipment is very important in industrial production, it is the key to detect whether the quality of the product is qualified, the object detected by the instrument testing system is not the same physical and chemical characteristics, in the cold state due to the low temperature detection tube in the material will condense, crystallization precipitation and other conditions. For this purpose, it is necessary to carry out heat tracing and insulation for the instrument inspection system to ensure that the relevant characteristics of the material can be accurately detected.
There are two main ways to choose heat tracing: traditional heat tracing forms and electric heat tracing systems. The use of traditional heat tracing requires the installation of water circulation pipelines, and it needs to be maintained every year, the heating temperature is not easy to control, and the utilization rate of heat energy is relatively low, and there will be a phenomenon of "running, rising, dripping and leaking" in the process of use. The input cost of electric heating is relatively economical, the heating temperature is uniform, the installation and operation are relatively simple, clean and environmentally friendly, and there is no need for maintenance in the later stage, and the electric heat conversion rate is also relatively high.
The power of the electric heat trace is mainly controlled by the heat transfer process, and the output power is automatically adjusted with the temperature of the heating system, while the traditional constant power heater does not have this function. Heat tracing has been widely used in various fields because of its characteristics of safety and reliability, energy saving and environmental protection, uniform heat generation, easy installation and maintenance, and long service life.
As a high-efficiency thermal insulation system, the heating tracing system is a better form of heating and thermal insulation in today's production, and has been widely used in the anti-freezing and thermal insulation of pipelines, valves, and storage tanks in the fields of petroleum, chemical industry, and electric power under severe cold and harsh conditions.