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Tank body alternating type vacuum furnace for producing silicon monoxide and preparation method

A silicon oxide and vacuum furnace technology, applied in the direction of silicon oxide, furnace, charge, etc., can solve the problems of unstable vacuum degree of equipment, long refueling process, poor performance of silicon monoxide, etc., achieve fast cooling speed, improve Product capacity, reduce the effect of low temperature side reactions

Pending Publication Date: 2021-03-16
HUNAN KINGI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] CN109210930A proposes a multi-chamber horizontal vacuum furnace for producing silicon monoxide and a method for preparing silicon monoxide, and provides a multi-chamber horizontal vacuum furnace for producing silicon monoxide and a method for preparing silicon monoxide. A plurality of vacuum furnaces are integrated into one Simultaneous heating and collection in the system can play a role in reducing energy consumption, but because the refueling process takes a long time, it will cause huge energy loss
However, because the vacuum screw feeding device and the receiving device are difficult to realize in mass production, the vacuum degree of the equipment is unstable, and the performance of the silicon monoxide produced is poor.

Method used

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  • Tank body alternating type vacuum furnace for producing silicon monoxide and preparation method
  • Tank body alternating type vacuum furnace for producing silicon monoxide and preparation method
  • Tank body alternating type vacuum furnace for producing silicon monoxide and preparation method

Examples

Experimental program
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Effect test

Embodiment 1

[0042] Such as figure 1 , 2As shown, a tank rotating vacuum furnace for producing silicon oxide includes a tank 1, the tank 1 includes a reaction part 2 and a collection part 3, and the inside of the reaction part 2 and the collection part 3 are respectively equipped with The cavity is used to place the reaction chamber for raw materials and the collection chamber for collecting the reacted products. The reaction part 2 and the collection part 3 are communicated through the sealing connection part 4, so that the reaction part 2 and the collection part 3 in the tank body 1 are sealed and connected. A valve is installed on the inlet and outlet of the reaction part 2 or the collection part 3, and the valve controls the connection or closure between the reaction chamber and the collection chamber. The heating furnace 7 is provided with a heating chamber matching the size of the reaction part 2 of the tank body 1, the reaction part 2 of the tank body 1 is arranged in the heating c...

Embodiment 2

[0056] Such as image 3 , 4 As shown, the difference between this embodiment and Embodiment 1 is that the heating furnace 7 is formed by two and a half furnace bodies hinged through the rotating shaft 12, and when it is necessary to put in or take out the tank body 1, the half furnace body can be rotated to , thereby opening or closing the heating furnace 7, the tank body 1 is loaded into the heating furnace 7 or taken out from the heating furnace 7 through the suspension ring 10; under the premise of ensuring good sealing, the present embodiment further improves the speed and production efficiency of the product preparation.

Embodiment 3

[0058] Such as Figure 5 , 6 As shown, the difference between this embodiment and Embodiment 1 is that the equipment includes 16 tank bodies 1, and for those skilled in the art, the number of tank bodies 1 should be reasonably set according to the production needs and the size of the heating furnace 7. Not limited to this embodiment, this embodiment is provided with a plurality of tank bodies 1, which further improves the use efficiency of the heating furnace and the speed and efficiency of preparing products.

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Abstract

The invention provides a tank body alternating type vacuum furnace for producing silicon monoxide and a preparation method. The tank body alternating type vacuum furnace comprises at least one tank body, wherein the tank body comprises a reaction part and a collection part; the tank body is provided with a sealing connection part so that the reaction part and the collection part in the tank body are tightly connected. The reaction part is used for putting raw materials and the collection part is used for collecting products. The reaction part is arranged in a heating furnace; the collection part and the sealing connection part are arranged outside the heating furnace. The tank body is vacuumized through a connector; the tank body is opened or closed through the sealing connection part; thecollection part is provided with a cooling device; and the tank body is assisted through a hoisting ring implementation external force and a rolling ball, so that the tank body is transferred from the inside to the outside of the heating furnace. The equipment method provided by the invention adopts manufacturing equipment. The problems of previous silicon monoxide manufacturing equipment and preparation method that continuous production cannot be realized so that the energy consumption is great and the efficiency is low are solved.

Description

technical field [0001] The invention relates to the technical field of silicon oxide production, in particular to a tank rotation vacuum furnace for producing silicon oxide and a preparation method thereof. Background technique [0002] Lithium-ion batteries have the characteristics of high voltage, high specific energy, long cycle life, and environmental friendliness. They are ideal supporting power sources for portable electronics, mobile products, and electric vehicles. With the development of electronic products, especially smart phones, in the direction of miniaturization and portability, lithium-ion batteries are required to have higher and higher energy densities. The key to improving the performance of lithium-ion batteries is to increase the energy density and cycle life of lithium intercalation materials. However, the current lithium-ion batteries that use graphite and other materials as negative electrodes have a theoretical capacity of only 375mAh g -1 , far fro...

Claims

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Application Information

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IPC IPC(8): F27B14/04F27B14/08F27B14/14C01B33/113
CPCC01B33/113F27B14/04F27B14/08F27B14/14F27B2014/045F27B2014/0837F27M2003/162
Inventor 易旭
Owner HUNAN KINGI TECH CO LTD