Pipeline type automatic constant-temperature device for high-pressure fluid

Abstract

The invention discloses a pipeline type automatic constant-temperature device for high-pressure fluid. The pipeline type automatic constant-temperature device for the high-pressure fluid comprises an outer pipe sleeved with an inner pipe, a heating pipe and a thermoelectric couple, the inner pipe and outer pipe concentrically form an annular cooling water passage, two ends of the inner pipe protrude out of two ends of the outer pipe, one end of the outer pipe is provided with a tap water port with a flow regulating valve, and the end of the inner pipe protruding out of the end of the outer pipe is connected with a ferrule joint; a water drain hole is formed in the other end of the outer pipe, the end of the inner pipe protruding out of the end of the outer pipe is connected with the heating pipe, thermoelectric couple and a ferrule joint in sequence, the heating pipe is arranged in the inner pipe through a three-way ferrule joint, and a temperature control meter and a bidirectional triode thyristor are connected between the heating pipe and thermoelectric couple. The pipeline type automatic constant-temperature device for the high-pressure fluid has advantages of simple structure, precise control, high energy efficiency, high efficiency, low cost and the like.

Description

technical field [0001] The invention relates to the field of fluid temperature control, and more specifically relates to a pipeline-type high-pressure fluid automatic constant temperature device. Background technique [0002] In many cases, we need to control the temperature of the fluid in the pipeline to a constant value at a specific point, such as in chemical production or laboratory experiments, etc. Because the incoming flow temperature of the fluid changes in many cases, it needs to be controlled by an automatic temperature control device to meet the needs. [0003] The usual practice now is to control the heating power of the heater through the temperature control table to achieve a constant temperature when the incoming flow temperature is lower than the set temperature, and to cool the target fluid with low-temperature fluid when the incoming flow temperature is higher than the set temperature , such as Freon, etc., by controlling the cooling power to achieve a co...

AI Technical Summary

Problems solved by technology

The latter often requires a more complicated condensing system, which requires a large investment, relatively complicated control, and low efficiency. When the cooling power is large, the equipment becomes huge

[0004] In order to solve the disadvantages of large investment, complex control and low energy efficiency of the existing scheme when the incoming fluid temperature is higher than the set temperature, the heating and cooling are integrated to achieve precise control of the fluid temperature

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