Modular detachable jacket

A modular, jacketed technology, applied in valve details, pipes/pipe joints/fittings, engine components, etc., can solve the problems of high cost, long manufacturing cycle of jacketed pipes, difficult installation and maintenance, etc. The effect of low maintenance cost, shortened project duration and high safety

Pending Publication Date: 2021-03-12
上海铂臻能源环保技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The invention provides a modular detachable jacket, which solves the problems of long manufacturing cycle, high cost and difficult installation and maintenance of traditional jacketed pipes

Method used

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  • Modular detachable jacket

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] A modular detachable jacket provided in this example, the schematic diagram is as follows figure 1 , the schematic diagram of the heating element is shown in image 3 . In this embodiment, the heat tracing part is a valve with a flange; the heat conducting part 1 is casted by aluminum alloy, and its inner surface completely matches the outer shape of the valve. The parts are completely wrapped; the heat tracing part 2 is a special-shaped stainless steel square tube, which is embedded in the heat conducting part 1, and the 3 is the inlet and outlet of the heat tracing medium steam of the heat tracing pipe; the joint between the heat conducting part 1 and the heat tracing part is filled with soft heat conducting material 4. The thermal conductivity of the soft thermal conductive material 4 is greater than 10W / (m·K).

[0029] In this embodiment, the thermal conductivity of the heat-conducting element 1 is as high as 237W / (m·K). The steam of the heat-tracing medium passes...

Embodiment 2

[0031] A modular detachable jacket provided in this example is basically the same as in Example 1, the difference is that the heating element 2 adopts Figure 4 The circular steel pipe in the figure is embedded in the heat conducting element 1, which can achieve heat tracing performance equivalent to that of the first embodiment.

[0032] To sum up, the present invention has large heat transfer area, high thermal conductivity, uniform heat tracing without dead zone, comparable thermal start-up performance to traditional jackets, and can replace jackets for heat tracing of viscous and easily crystallized media, especially suitable for Irregular parts such as valves, pumps, instruments, flanges, etc.

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PUM

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Abstract

The invention discloses a modular detachable jacket. The modular detachable jacket is composed of a heat conduction piece and a heat tracing piece, the heat tracing piece is embedded into the heat conduction piece, the heat conduction piece is of an attached covering structure, the inner surface of the heat conduction piece is almost completely matched with the outline shape of a heat-traced piece, a main body of the heat-traced piece is wrapped in the heat conduction piece, and a soft heat conduction material is arranged at the joint of the heat conduction piece and the heat-traced piece in afilled mode. The modular detachable jacket wraps the heat-traced piece like an outer sleeve, a gap between the heat conduction piece and the heat-traced piece is further reduced through the soft heatconduction material, the contact area is large, the heat transfer efficiency is high, heat tracing is uniform, and no dead zone exists.

Description

technical field [0001] The invention relates to the field of heat tracing engineering, in particular to a modular detachable jacket. Background technique [0002] Heat tracing is an indirect heating method used outside or inside the pipe to prevent the fluid in the pipe from condensing, producing condensate or increasing viscosity due to temperature drop, and to keep the temperature of the fluid in the pipe stable. The common forms are external heat tracing and jacketed pipe tracing. hot. External heat tracing, also known as parallel steam tube heat tracing, is to install one or more steam tracing round tubes on the heated parts, which is the most widely used form at present, but due to the existence of thermal expansion, the heat traced parts and the traced parts There is usually a certain gap between the heat pipes, the heat transfer area is small, the heat transfer method is mainly air convection and heat radiation, the heat transfer efficiency is low, and it is not suit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16L53/32F16K49/00
CPCF16K49/005F16L53/32
Inventor 刘虎胡友超
Owner 上海铂臻能源环保技术有限公司
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