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A small high-efficiency regenerator and its manufacturing method

A manufacturing method and regenerator technology, which are applied in the field of original surface regenerator for micro-power station, forming and welding, and stamping of stainless steel foil with heat sink, which can solve the problems of difficult stamping, high price, and large pressure loss. , to achieve the effect of easy processing and good application effect

Active Publication Date: 2015-09-23
XIAN YUANHANG VACUUM BRAZING TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Its disadvantages are that due to the high heat recovery rate, the diameter of the runner water is small, the base material is required to be very thin, less than 0.1mm, the production is difficult, and the price is expensive. At the same time, it is difficult to design and process the interface section of the inlet and outlet of the flow channel. There is no domestic manufacturer that produces this type of regenerator.

Method used

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  • A small high-efficiency regenerator and its manufacturing method
  • A small high-efficiency regenerator and its manufacturing method
  • A small high-efficiency regenerator and its manufacturing method

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Embodiment Construction

[0035] in, figure 1 It is a structural schematic diagram of a small high-efficiency regenerator of the present invention; as shown in the figure, the small high-efficiency regenerator includes: joints, inner walls and heat exchange core components, and the heat exchange core components consist of multiple The heat sink unit is formed by stamping and intensive welding.

[0036] Wherein, the heat sink unit is assembled and welded by a sealing strip assembly, a CW corrugated plate and a deflector, wherein the CW corrugated plate includes a gravure and a letterpress, and the thickness of the CW corrugated plate is 0.1mm.

[0037] Moreover, the heat sink unit is provided with 168 heat sink units, wherein the concave and convex CW corrugated plates are respectively provided with 168 pieces, wherein the inner seal assembly, the inner seal, and the upper seal in the seal assembly There are 168 pieces of side strips and bottom sealing strips, and 672 pieces of the deflectors.

[0038...

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Abstract

The invention discloses a small efficient heat regenerator, which comprises a connector, an inner wall and a heat exchange core body assembly, wherein the heat exchange core body assembly is formed by punching of a plurality of cooling fin units and intensive assembly welding. After the technical scheme is adopted, the small efficient heat regenerator has the technical advantage of being easy to process. Besides, the technical scheme has good application effects in practice. In addition, the invention further discloses a manufacturing method of the small efficient heat regenerator.

Description

technical field [0001] The invention belongs to the manufacturing technology of a gas turbine regenerator in mechanical engineering, and relates to the stamping, forming and welding technology of a heat sink of a stainless steel foil strip. In particular, it relates to a method for manufacturing an original surface type regenerator for a micro power station. Background technique [0002] The regenerator is a gas-gas heat exchanger that can realize the heat recovery cycle. It is usually installed on a gas turbine (hereinafter referred to as a gas turbine) to heat the air from the compressor and then enter the combustion chamber. In this way, the absorbed pre The heat can replace part of the fuel to achieve the purpose of improving the thermal efficiency of the gas turbine, saving fuel consumption and improving economy. [0003] Regenerators can be divided into two types: surface type and regenerative type. Surface type regenerators can be divided into tube type, plate type, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02C7/08B23P15/26
Inventor 任耀文
Owner XIAN YUANHANG VACUUM BRAZING TECH