Vacuum brazing equipment of plate-fin heat exchanger and vacuum brazing method of vacuum brazing equipment

A technology of plate-fin heat exchanger and vacuum equipment, which is applied in welding equipment, heat exchange equipment, metal processing equipment, etc.

Active Publication Date: 2021-09-10
ANHUI PROPELLENT HEAT TRANSFER TECH CO LTD
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  • Abstract
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Problems solved by technology

[0004] The object of the present invention is to provide a vacuum brazing equipment and vacuum brazing method for plate-fin heat exchangers, so as to solve the urgent problems raised in

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  • Vacuum brazing equipment of plate-fin heat exchanger and vacuum brazing method of vacuum brazing equipment

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Embodiment Construction

[0033] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0034] In describing the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", " The orientation or positional relationship indicated by "outside", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred dev...

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Abstract

The invention discloses vacuum brazing equipment of a plate-fin heat exchanger and a vacuum brazing method of the vacuum brazing equipment, and belongs to the technical field of heat exchanger machining. The vacuum brazing equipment of the plate-fin heat exchanger comprises a horizontally-arranged furnace body, vacuumizing equipment and a gas guide manifold; a plurality of heating cavities are uniformly arranged on the furnace body at intervals along the length direction; a button switch corresponding to the used heating cavity is utilized to enable an electromagnetic valve and the vacuumizing equipment to work; then, under the action of a second two-way timer, a heating device heats the working heating cavity; after work is finished, a heat insulation sealing door is opened through a reversing switch, and then a workpiece can be taken out of the heating cavity; the waste of time and resources for the overall heating of the furnace body is avoided; the working efficiency is increased; furthermore, because a high-temperature-resistant lead screw and a driving device are detachably connected, the high-temperature-resistant lead screw drives a material placing frame mechanism to move; workpieces can be conveniently taken out without going deep into a traditional furnace body; and the device is high in automation degree and has market popularization value.

Description

technical field [0001] The invention relates to the technical field of heat exchanger processing, in particular to vacuum brazing equipment and a vacuum brazing method for plate-fin heat exchangers. Background technique [0002] Vacuum brazing means that the workpiece is heated in a vacuum chamber, and it is mainly used for welding of high-quality products and easily oxidized materials. Vacuum brazing technology has become a very promising welding technology since the 1940s. This technology first appeared in the electronics industry for brazing copper and stainless steel parts, and was later applied to the aviation industry and the atomic energy industry. It was applied to the manufacture of stainless steel plate-fin heat exchangers in 1959. Now it is widely used in plate-fin heat exchangers and coolers in industrial sectors such as air separation equipment, petrochemical equipment, construction machinery, vehicles, ships and household appliances; [0003] For example, CN1...

Claims

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Application Information

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IPC IPC(8): B23K1/008B23K1/20B23K3/08B23K101/14
CPCB23K1/008B23K1/20B23K3/08B23K3/087B23K2101/14
Inventor 张志峰胡西芹刘红军张凌霞
Owner ANHUI PROPELLENT HEAT TRANSFER TECH CO LTD
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