Conduction oil furnace capable of preventing conduction oil from coking in furnace tube and using method
A heat-conducting oil furnace and heat-conducting oil technology are applied in the field of heat-conducting furnaces, which can solve the problems of complicated operation and large investment.
Active Publication Date: 2015-06-24
天津市振津石油天然气工程有限公司
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Problems solved by technology
[0003] In order to overcome the shortcomings of the existing protection methods, which require large investment and complicated operation, the present invention provides a heat-conducting oil furnace and a method of using it to prevent coking of the heat-conducting oil in the furnace tube. Through the switch valve 17, the protection process is quickly turned on to ensure that the heat transfer oil in the system continues to flow and prevent the heat transfer oil staying in the high temperature furnace tube from decomposing and coking
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[0014] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0015] figure 1 It is a schematic diagram of the heat transfer oil protection process. The heat conduction oil furnace protection process is: connect the power-off oil discharge pipe 15 between the heat conduction oil furnace oil supply pipe 2 and the oil storage tank 7, in which a hand valve 16 and an electromagnetic switch valve 17 are set, and the electromagnetic switch valve is circulated with the heat conduction oil The pump 10 is interlocked with the thermal oil circulation backup pump 11. A sealed nitrogen pipe 3 is arranged on the expansion tank, and a pressure regulating valve 4 and a pressure detection instrument 5 are arranged therein. After the heat transfer oil circulation pump 10 and the heat transfer oil circulation backup pump 11 are powered off, the electromagnetic switch valve 17 is opened, and the nitrogen gas pipe 3 is used to sup...
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The invention relates to a conduction oil furnace capable of preventing conduction oil from coking in a furnace tube and a using method. A conduction oil circulating pump (10) and a conduction oil circulating space pump (11) can stop working in power losing; a solenoid valve (17) is turned on in power losing, and the conduction oil in the system can flow toward an oil storage tank (7) under the effect of pressure; the solenoid valve (17) in a power-losing oil discharging tube (15) is turned on through interlocking signals in power losing; nitrogen is filled into a high-position expansion groove (6) by utilizing a sealed nitrogen tube (3), and under the effect of pressure and potential difference, the conduction oil can directly flow to a pressurized conduction oil return tube (1'') through an expansion groove auxiliary line (12) and then enters a conduction oil furnace (8); and the conduction oil in the conduction oil furnace tube can enter a low-position oil storage tank (7) through the power-losing oil discharging tube (15). The conduction oil furnace achieves the aim of preventing the conduction oil in the furnace tube from decomposing and coking.
Description
technical field [0001] The invention relates to a heat-conducting furnace, in particular to a method for using a heat-conducting furnace to prevent coking of the heat-conducting oil in the furnace tube of the heat-conducting oil furnace under the condition of power failure. Background technique [0002] At present, as a kind of heating furnace that can provide higher temperature under the condition of lower working pressure, the use of heat conduction oil furnace is expanding continuously. Use the heat conduction oil furnace to transfer heat to the equipment that needs heat through the organic carrier. The commonly used organic carrier is heat conduction oil. The basic structure of the traditional heat conduction oil furnace is as follows: figure 2 As shown: it includes a furnace body 8, an expansion tank 6, an oil storage tank 7, a heat transfer oil circulation pump 10 and a heat transfer oil circulation backup pump 11, and a closed cycle is realized between the above-ment...
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IPC IPC(8): F24H7/00F24H9/20
Inventor 王立超朱琳王士颖张艳李贺松王恒王磊
Owner 天津市振津石油天然气工程有限公司