Fast gas-cooling vacuum furnace
A vacuum furnace and air-cooling technology, which is applied in the field of rapid air-cooled vacuum furnaces, can solve the problems of unreasonable system circuit design, slow cooling speed, and ineffective recovery.
Active Publication Date: 2016-08-17
JINING XINRUIDA INFORMATION TECH CO LTD
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Problems solved by technology
[0002] The traditional vacuum furnace not only has a complex system structure design, but also has an unreasonable system circuit design. After the heat treatment of the workpiece, the cooling speed is slow, or a large amount of inert gas is consumed for circulating cooling, but it cannot be effectively recycled, resulting in an increase in production costs.
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[0014] The rapid air-cooled vacuum furnace of the present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.
[0015] As shown in the figure, the rapid air-cooled vacuum furnace of the present invention includes a vacuum heating chamber 1 and a gas storage tank 2, and a heating element 19 is fixedly arranged in the vacuum heating chamber 1, and the heating element 19 is sealed in the vacuum heating chamber 1 through a sealed insulating sleeve. Inside, the upper part of the vacuum heating chamber 1 is connected to the suction port of a vacuum pump 4 through the vacuum valve 3, and the exhaust port (A port) of the vacuum pump 4 is connected to a three-way device 5, and the said three-way device 5 can be three-way The three-way valve can also be a three-way structure composed of other components. One end (C port) of the three-way valve 5 is connected to the gas storage tank 2, and the other end (B port) of th...
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The invention discloses a fast gas-cooling vacuum furnace. The fast gas-cooling vacuum furnace comprises a vacuum heating chamber and a gas storage tank. A heating element is arranged in the vacuum heating chamber. The upper portion of the vacuum heating chamber is connected with an extraction opening of a vacuum pump through a vacuumizing valve. An exhaust port of the vacuum pump is connected with a three-way valve. One end of the three-way valve is connected with the gas storage tank, and another end of the three-way valve is connected with an exhaust valve. The lower portion of the vacuum heating chamber is provided with a gas inlet. A gas inlet valve is installed at the gas inlet of the vacuum heating chamber and connected with a totally closed fan. A gas inlet of the totally closed fan is connected with the gas storage tank. The upper portion of the vacuum heating chamber is further provided with a circulating gas outlet. The circulating gas outlet of the vacuum heating chamber is connected with a gas cooler which is connected with the gas storage tank. After the structure is adopted, the cooling speed of workpieces achieved after heat treatment is greatly increased, and circulating gas for cooling is effectively recycled, so that the production cost is lowered.
Description
technical field [0001] The invention relates to a vacuum furnace, in particular to a rapid air-cooled vacuum furnace. Background technique [0002] The traditional vacuum furnace not only has a complex system structure design, but also has an unreasonable system circuit design. After the heat treatment of the workpiece, the cooling speed is slow, or a large amount of inert gas is consumed for circulating cooling, but it cannot be effectively recycled, resulting in an increase in production costs. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a fast air-cooled vacuum furnace capable of effectively recovering circulating air cooling. [0004] In order to solve the above-mentioned technical problems, the fast air-cooled vacuum furnace of the present invention includes a vacuum heating chamber and a gas storage tank, a heating element is arranged in the vacuum heating chamber, and the upper part of the vacuum heati...
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IPC IPC(8): F27D9/00
CPCF27D9/00F27D2009/0075
Inventor 夏致俊
Owner JINING XINRUIDA INFORMATION TECH CO LTD