Electric heater for preheating and solidification prevention of high-temperature molten salt conveying pipe

A technology for transmission pipelines and high-temperature molten salt, applied in the shape of heating elements, electrical components, electric heating devices, etc., can solve the problems of insufficient molten salt preheating and anti-solidification, achieve short heating time, high working temperature, and prevent broken effect

Pending Publication Date: 2016-11-16
镇江市三维电加热器有限公司
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  • Abstract
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Problems solved by technology

However, the existing steam heating or electric heating cables are far from meeting the industrial requirements for p

Method used

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  • Electric heater for preheating and solidification prevention of high-temperature molten salt conveying pipe

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Example Embodiment

[0014] Example

[0015] The electric heater for preheating and preventing solidification of the high-temperature molten salt transmission pipeline of this embodiment, such as figure 1 As shown, it includes an electric heating pipe 2 wound on the outer wall of the high-temperature molten salt transmission pipe 1 or an electric heating pipe 2 laid in parallel along the high-temperature molten salt transmission pipe 1 and close to the bottom of the high-temperature molten salt transmission pipe.

[0016] The electric heating tube 2 is made of a high-temperature nickel-chromium alloy resistance wire 5 that passes through a plurality of insulating fixing members 3 sequentially and is sheathed with a high-temperature fiber sheath 4. The insulating fixing member 3 usually uses ceramic beads. The electric heating tube 2 is pasted on the high-temperature molten salt transmission pipeline 1 by a heat-resistant aluminum tape with an interval of 0.5-0.8m.

[0017] A temperature sensor 6 is pro...

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Abstract

The invention relates to an electric heater for preheating and solidification prevention of a high-temperature molten salt conveying pipe, and belongs to the technical field of electric heating in electrics. The electric heater comprises an electric heating pipe which is wound around the outer wall of the high-temperature molten salt conveying pipe or an electric heating pipe which is laid in parallel along the high-temperature molten salt conveying pipe and is close to the lower part of the high-temperature molten salt conveying pipe. The electric heating pipe is made of a high-temperature nichrome resistance wire which sequentially passes through a plurality of insulating fixed parts and is sleeved by a high-temperature fiber sleeve. The electric heater is simple in overall structure, is short in heating time, is high in work temperature, can reach the start temperature of a conveying pipe device in a shorter time, and achieves the effective preheating and solidification prevention of the high-temperature molten salt conveying pipe.

Description

technical field [0001] The invention relates to an electric heater for preheating and anti-freezing of a high-temperature molten salt transmission pipeline, in particular to an electric heater for preheating and anti-solidification of a high-temperature molten salt transmission pipeline with simple overall structure, short heating time and high working temperature. heater. Background technique [0002] In recent years, with the expansion of the use of molten salt (binary or ternary salt), it has been widely used in photothermal and heat transfer technology. As a heat transfer medium, molten salt can reach a higher temperature and has a better heat storage function. Therefore, molten salt is currently a more mature heat transfer and heat storage medium that is widely used. [0003] At present, the molten salt heat transfer and heat storage media used abroad are mainly binary nitrate system (40% KNO3 ~ 60% NaNO3, working temperature range is 260°C ~ 600°C) and ternary nitrate...

Claims

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Application Information

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IPC IPC(8): H05B3/40H05B1/02
CPCH05B1/023H05B3/40
Inventor 丁基群
Owner 镇江市三维电加热器有限公司
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