Heat transfer oil large-scale negative pressure short-circuit circulation system and circulation method

A circulation system and heat-conducting oil technology, applied in heat storage heaters, fluid heaters, lighting and heating equipment, etc., can solve problems such as unstable quality of calcined coke products, large safety hazards, and large pressure fluctuations, so as to eliminate Pipeline oil injection phenomenon, high safety and low cost effect

Active Publication Date: 2017-05-03
SHENYANG ALUMINIUM MAGNESIUM INSTITUTE
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AI Technical Summary

Problems solved by technology

[0007] The invention provides a safe and energy-saving large-scale negative pressure short-circuit circulation system and circulation method of heat-conducting oil. Unstable quality of large and calcined coke products

Method used

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  • Heat transfer oil large-scale negative pressure short-circuit circulation system and circulation method

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Embodiment Construction

[0029] The heat transfer oil large-scale negative pressure short-circuit circulation system of the present invention is provided with an expansion tank, an oil storage tank, an oil-gas separator, and a waste heat heat medium boiler. The inlet of the expansion tank communicates with the oil-gas separator, and the outlet of the expansion tank communicates with the oil storage tank. Through the oil inlet main pipe, the oil return main pipe of the oil storage tank is connected with the waste heat heat medium boiler, and the outlet of the waste heat heat medium boiler is respectively connected with the oil inlet pipe of the oil use part (such as: molding workshop, asphalt melting workshop, etc.), and the oil use part The oil return pipe communicates with the oil-gas separator. in,

[0030] The oil storage tank is connected by four branch pipes, one of which is connected to the oil outlet of the expansion tank and the oil inlet of the oil storage tank, with a quick cut valve in the ...

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Abstract

The invention relates to the field of the circulation of heat conducting oil, in particular to a large-scale negative-pressure short-circuit circulation system and method of heat conducting oil, especially to a circulation system and method of heat conducting oil as a thermal medium for heat preservation and heating in the carbon element, chemical and other industries. The large-scale negative-pressure short-circuit circulation system comprises an expansion groove, an oil storage tanks, an oil-gas separator, a vacuum pump, a waste heat medium boiler and a pot furnace, wherein the inlet of the expansion groove is communicated with the oil-gas separator; the outlet of the expansion groove is communicated with the oil storage tank through an oil inlet main pipe; the outlet of the oil storage tank is communicated with the waste heat medium boiler; the waste heat medium boiler is communicated with the pot furnace; the oil storage tank is connected with the vacuum pump. According to the invention, when normal production, the heat conducting oil enters the expansion groove after performing oil-gas separation in the oil-gas separator, the heat conducting oil in the expansion groove enters the oil inlet main pipe of the oil storage tank through a seamless steel pipe, so as to complete the entire circulation process, solve the problems of high energy consumption, high probability of oil ejection, high security risk, great fluctuation of pressure in a calcining furnace, unstable quality of calcined coke products and the like in the existing circulation system.

Description

technical field [0001] The invention relates to the field of heat transfer oil circulation, in particular to a large-scale negative pressure short-circuit circulation system and circulation method for heat transfer oil, and especially relates to a circulation system and method in which heat transfer oil is used as a heat medium for heat preservation and heating in industries such as carbon and chemical industries. Background technique [0002] The carbon process mainly includes raw material coarse crushing, asphalt melting, calcination, secondary crushing and screening, batching kneading, vibration molding and roasting, etc. Among them, asphalt melting, kneading molding and asphalt pipeline transportation need to use heat medium for heat preservation and heating , with the rapid development of the carbon industry, the requirements for heat medium are also constantly increasing. High and precise temperature control, high safety factor and large-scale have become the main direc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24H7/04
Inventor 李鹏崔银河王敏明文雪关淮梁和奎王天宇王楠
Owner SHENYANG ALUMINIUM MAGNESIUM INSTITUTE
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