Heat pipe and heat exchanger

Abstract

The invention discloses a heat pipe. The heat pipe comprises an outer pipe body and an inner pipe body, the inner pipe body is arranged in the outer pipe body in a penetrating manner, and a cooling channel allowing outer cooling liquid to pass through is formed; two opposite ends of the inner pipe body extend out of the outer pipe body, and a liquid inlet and a liquid outlet are correspondingly formed; the liquid inlet and the liquid outlet communicate with the cooling channel, a vacuum cavity is formed in the gap between the inner pipe body and the outer pipe body, and a working medium is injected into the vacuum cavity. According to the heat pipe, a liquid absorbing core and a water tank can be omitted, and the safety hidden danger of burst and the like when the heat pipe is applied to aheat exchanger and other devices can be avoided. The invention further discloses the heat exchanger.

Description

technical field [0001] The invention relates to a heat conduction device, in particular to a heat pipe and a heat exchanger. Background technique [0002] At present, heat pipes are used in a wide range of applications. They were first used in the aerospace field, and are now widely used in various heat exchangers, coolers, natural geothermal energy, etc., and play the role of rapid heat conduction; a general heat pipe consists of a tube shell and Composed of a liquid-absorbing core, wherein the inside of the tube shell is pumped into a negative pressure state, the liquid-absorbing core is set in the tube shell, and the tube shell is filled with liquid; when in use, the external heat medium is in contact with one end of the heat pipe, and one end of the heat pipe is heated, and the liquid Rapidly evaporates to form steam, and the steam flows to the other end of the heat pipe under a small pressure difference, and releases heat, recondenses into a liquid, and the liquid flows...

AI Technical Summary

Problems solved by technology

[0004] (2) When the existing heat pipes are applied to heat exchangers and other equipment to realize the recovery and utilization of the heat of the oven flue gas, a water tank with cooling liquid is additionally equipped to receive the released heat, and the heat pipes are welded on the On the water tank, in this way, when the cooling liquid in the water tank absorbs heat and evaporates, the pressure of the water tank is increased, which may easily cause the water tank to burst; at the same time, when the external equipment supplies water to the water tank, a certain pulse is caused in the water tank, resulting in the above-mentioned Bursts are prone to occur in places where the stress is concentrated such as welding, and there are certain safety hazards

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