A heat transfer experimental device with replaceable heat transfer tubes
An experimental device and heat transfer tube technology, which are applied in the field of heat transfer experimental devices with exchangeable heat transfer tubes, to achieve the effects of reducing investment costs and simplifying the structure of the experimental device.
Inactive Publication Date: 2018-12-07
SOUTHWEST PETROLEUM UNIV
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Problems solved by technology
[0006] However, although there are many kinds of heat transfer experimental devices at present, none of them can realize: the diameter of the heat transfer tube is adjustable, the length is adjustable, and the fluid medium is adjustable. A heat transfer experimental device that can also conduct tube bundle layout experiments
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Embodiment Construction
[0022] Below in conjunction with accompanying drawing, the present invention is described in further detail:
[0023] refer to figure 1 , a replaceable heat transfer experimental device for heat transfer tubes, comprising a heat transfer tube 1, an upper tube box 3, an upper flange 4, an upper flange end cover 5, an inner casing 7, an outer casing 8, and a lower tube box 11. Lower flange 12, lower flange end cover 13. The upper end of the heat transfer tube 1 is matched with the upper tube box 3, the upper end of the upper tube box 3 is connected with the upper flange end cover 5 by the thread 22, and the upper flange end cover 5 is bolted to fasten the upper flange plate 4, and the flange plate is welded to the inner sleeve The upper end surface of the tube 7; the lower end of the heat transfer tube 1 is equipped with a lower tube box 11, and the lower end of the lower tube box 11 is threadedly connected with a lower flange end cover 13, and the lower flange end cover 13 is ...
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The invention relates to a replaceable heat transfer experimental device of a heat transfer tube. The device is characterized in that an upper tube box is connected to the upper end of the heat transfer tube, the upper end of the upper tube box is in threaded connection with a flange disc, and the flange disc is fastened to the end face of an inner sleeve through a bolt; a lower tube box is connected to the lower end of the heat transfer tube, the upper end of the lower tube box is in threaded connection with a flange disc, and the flange disc is fastened to the end face of an outer sleeve through a bolt; a sealing ring is arranged between the heat transfer tube and each tube box; the inner sleeve is sleeved with an outer sleeve, and a sealing ring is arranged between the inner sleeve and the outer sleeve. Compared with the prior art, multi-working-condition heat transfer tube experiments such as single-tube heat transfer experiments and multi-tube heat transfer experiments of heat transfer tubes of different diameters, different lengths, different types, different media and different tube arrangement modes can be completed by replacing the tube boxes and lengthening the outer sleeve, and the purposes of lowering the experiment cost and simplifying the experiment device are achieved.
Description
technical field [0001] The invention relates to a heat transfer coefficient experiment measuring device of a heat transfer tube, in particular to a replaceable heat transfer experiment device of the heat transfer tube. Background technique [0002] Heat transfer is a very common natural phenomenon and a common process in industries such as power, nuclear energy, electronics, transportation, refrigeration, chemical, petroleum, aerospace, etc. The heat exchanger occupies a key position in the above-mentioned industries. The heat exchanger is not only an indispensable part to ensure the normal operation of the entire engineering equipment, but also occupies an important share in the entire project in terms of metal consumption, power consumption and capital investment. Taking the power plant as an example, if the boiler is also used as heat exchange equipment, the capital investment of the heat exchanger accounts for about 70% of the total investment of the power plant; in petr...
Claims
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IPC IPC(8): G01N25/20
CPCG01N25/20
Inventor 梁政谢帅张梁邓严何虹钢张杰蒋发光
Owner SOUTHWEST PETROLEUM UNIV