Is it necessary to install a temperature measurement point at the blower outlet?

In my personal view, the \"Basic Unit Pattern for P&ID\" is a guiding document that attempts to convey something universal. Chemical process units are complex and come in a great variety, with significant differences among various process conditions. You can refer to the corresponding patterns therein, but they must meet the requirements of your own manufacturing process. For example, whether a thermometer needs to be installed at the fan outlet in your process depends mainly on the temperature requirements for that outlet as per your process. If the requirements are stringent, then a thermometer must indeed be installed, along with temperature control equipment. If there are no particular requirements, it’s fine to leave it out. As for whether the basic unit model of chemical process compressors can be applied, I think it can serve as a reference, but the final PID diagram should be determined based on your process requirements.

Generally, standards are the basic elements that must be met. As for whether to include a thermometer, it depends on your requirements for management and control; it’s better to have a temperature measurement feature.

Generally, it is not necessary to add it; however, if the pressure difference between inlet and outlet is large, temperature monitoring should be added.

Generally, refineries in the western regions need to add it! Because it’s extremely cold in winter, with temperatures dropping to dozens of degrees below zero, it’s easy for the intake of the blower to freeze! So, a temperature sensor was added, and measures were taken to preheat the air at the blower’s air inlet!

There is no need to install a temperature measurement point at the blower outlet.

Roots blowers are prone to jamming, so it is usually necessary to control the outlet temperature.

Temperature measurement devices should be installed at the outlet. Generally, there is a circulation loop at the fan outlet, and the temperature rises during circulation; installing a thermometer allows one to monitor temperature changes. When the temperature exceeds the design limit for the pipeline, auxiliary water pipes must be used to cool it down.

What type of blower do you have? What is the size of the blower? Ours is a centrifugal type, and its purpose is to supply air for combustion. Such a blower doesn’t require a temperature gauge.

Generally, temperature measurement points are not necessary; it depends on the temperature requirements of your process

It is necessary to decide whether to install a thermometer based on the maximum operating temperature requirement set by the blower manufacturer, as well as whether the process operating temperature is close to this value.

Decide whether to install temperature measurement points based on the requirements of the process

The fan manual specifies temperature requirements for the outlet.

Whether to install a temperature measurement point at the blower outlet depends on your operational conditions and process requirements. For example, in the case of ordinary low-pressure blowers that handle air at normal temperatures, the temperature rise at the outlet is not significant, so it may not be necessary to install a temperature measurement point. However, if the pressure at the blower outlet is high or the inlet air temperature is high, then the outlet temperature will also be high. Moreover, this temperature can have an impact on the subsequent systems, or if it is necessary to know the temperature condition at the blower outlet, then a temperature measurement point should be installed.