Fin plate type heat exchanger

A heat exchanger and finned plate technology, applied in the field of finned plate heat exchangers, can solve problems such as being unsuitable for low-temperature recovery and treatment of organic matter gases

Inactive Publication Date: 2017-04-05
张丽 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, this type of plate heat exchanger is not suitable for low-temperature recovery and treatment of organic gas

Method used

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  • Fin plate type heat exchanger
  • Fin plate type heat exchanger
  • Fin plate type heat exchanger

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Embodiment Construction

[0022] The present invention will be further described below in conjunction with accompanying drawing.

[0023] refer to figure 1 , figure 1 It is the front view of the corrugated plate of the present invention. The rectangular stainless steel sheet is pressed into a plate covered with "herringbone"-shaped concave-convex corrugations; the two length edges of the corrugated plate are folded into two 90-degree folds, and the Reserved as a rectangular groove for installing the sealing strip; figure 2 for figure 1 The cross-sectional view at A in the middle shows that the concave-convex corrugations protrude or sink on both sides of the plate with the same size; image 3 for figure 1 The top view of the plate, indicating that the folded edge 3 is folded twice at 90 degrees along the length edge, and the folded edges on both sides are symmetrical;

[0024] refer to Figure 4 , Figure 4 For the fin plate diagram of the present invention, the stainless steel strip thin plate...

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Abstract

The invention relates to a fin plate type heat exchanger, in particular to a heat exchanger applied to a device for recovering organic gases of volatile organic compounds (VOCs) with a condensation method. At present, plate type heat exchangers adopted in condensation devices have main problems of small fin spacing, large pressure drop and existence of accumulated fluids, and the invention aims to overcome defects in the prior art and provides the fin plate type heat exchanger which is simple in structure, small in pressure drop, free from fluid accumulation and easy to manufacture. Thin rectangular stainless steel plates are pressed to form plate sheets full of herringbone concave-convex ripples, V-shaped fins are connected onto one surface of each plate sheet, surfaces, without the fins, of every two plate sheets are closed, flat steel is embedded in peripheries, the plate sheets are airtight, fin plate type heat exchanger components are obtained, the concave-convex ripple spacing is arranged in middles of the components, outer-side surfaces of the components are full of the V-shaped fins, holes are formed in opposite angles, and pipes are connected and used as cold gas flow inlet and outlet passages; and a plurality of the components stacked neatly, and adjacent spaces of the components form hot gas flow passages. Glands and adapter pipes are mounted at inlets and outlets at two ends of the passages, and the fin plate type heat exchanger is manufactured. Partition heat exchange of the plate sheets is completed in the process that two gases at different temperatures pass through the respective flow passages backwards, and the organic gases are condensed and liquefied.

Description

technical field [0001] The invention relates to a finned plate heat exchanger, in particular to a heat exchanger used in a device for recovering VOCs organic gas (including evaporated oil and gas of solvent oil or light oil) by a condensation method. Background technique [0002] The device for recovering VOCs organic gas (including evaporated oil and gas of solvent oil or light oil) by condensation method must cool down the organic gas through a heat exchanger so that it tends to the vapor pressure of the saturated state when it changes from gaseous state to liquid state. Temperature, concentration, to achieve phase change liquefaction, to obtain liquid recovery. [0003] The heat exchanger used in the condensation method recovery device is used to freeze the processed organic gas by the cooling capacity of the refrigerant evaporated gas, and realize the cooling of the organic gas through the "gas-gas" heat exchange. At present, the plate heat exchangers used in the conden...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F28F3/06
Inventor 张丽邹松林
Owner 张丽
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