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Reactor large cover waste heat recycling device and method

A waste heat recovery and reactor technology, applied in the field of energy conservation and environmental protection, can solve the problems of high investment cost, low heat exchange efficiency, low heat utilization efficiency, etc., and achieve the effects of improving the working environment, reducing the number of emissions, and improving energy utilization.

Inactive Publication Date: 2020-11-17
云南国钛金属股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the problems of low heat exchange efficiency, high investment cost and low heat utilization efficiency of the waste heat recovery device in the preparation process of sponge titanium in the prior art, the present invention provides a large reactor cover waste heat recovery device and method, the purpose of which is to: Reduce investment costs, improve heat exchange efficiency and heat utilization efficiency

Method used

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  • Reactor large cover waste heat recycling device and method

Examples

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Embodiment 1

[0049] A device for recovering waste heat from a large reactor cover, comprising a large reactor cover 4 and a preheating coil 2, the preheating coil 2 is located inside the large reactor cover 4 and is in contact with the large reactor cover 4, the The large cover 4 of the reactor is provided with a titanium tetrachloride inlet plug 3, and the inside of the titanium tetrachloride inlet plug 3 is provided with a pipe communicating with the reactor, one end of the preheating coil 2 is connected with the pipe, and the other end A titanium tetrachloride interface 1 is provided.

[0050] The plane where the preheating coil 2 is located is an arc surface, and the arc surface is the same as the arc of the large reactor cover 4 .

[0051] The number of preheating coils 2 in this embodiment is one group.

[0052] The coiling mode of the preheating coil 2 in this embodiment is spiral coiling.

[0053] The preheating coil 2 in this embodiment is a single layer.

[0054] The distribut...

Embodiment 2

[0063] A device for recovering waste heat from a large reactor cover, comprising a large reactor cover 4 and a preheating coil 2, the preheating coil 2 is located inside the large reactor cover 4 and is in contact with the large reactor cover 4, the The large cover 4 of the reactor is provided with a titanium tetrachloride inlet plug 3, and the inside of the titanium tetrachloride inlet plug 3 is provided with a pipe communicating with the reactor, one end of the preheating coil 2 is connected with the pipe, and the other end A titanium tetrachloride interface 1 is provided.

[0064] In this embodiment, the plane where the preheating coil 2 is located is an arc surface, and the arc surface is the same as the arc of the large reactor cover 4 .

[0065] In this embodiment, the number of preheating coils 2 is multiple groups.

[0066] In this embodiment, the coiling mode of the preheating coil 2 is turn-back coiling.

[0067] In this embodiment, the preheating coil 2 is multi-l...

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Abstract

The invention discloses a reactor large cover waste heat recycling device and method, and belongs to the technical field of energy conservation and environmental protection. The problems that in the prior art, a waste heat recovery device in the titanium sponge preparation process is low in heat exchange efficiency, high in investment cost and low in heat utilization efficiency are solved. According to the technical scheme, the reactor large cover waste heat recycling device comprises a reactor large cover and a preheating coil, wherein the preheating coil is located on the inner side of the reactor large cover and in contact with the reactor large cover, a titanium tetrachloride inlet plug is arranged on the reactor large cover, a pipeline communicating with the reactor is arranged in thetitanium tetrachloride inlet plug, one end of the preheating coil is connected with the pipeline, and the other end of the preheating coil is provided with a titanium tetrachloride interface. According to the reactor large cover waste heat recycling device and method, reaction waste heat recycling is achieved, the temperature of a reaction area can also be reduced, heat exchange with other mediais not needed, pipelines do not need to be laid, the heat exchange efficiency and the heat utilization efficiency can be improved, the investment cost is reduced, and the reactor large cover waste heat recycling device and method are suitable for recycling the reaction waste heat in the titanium sponge preparation process.

Description

technical field [0001] The invention belongs to the technical field of energy saving and environmental protection, and in particular relates to a device and method for recovering and utilizing waste heat of a large reactor cover. Background technique [0002] At present, the industrial production of sponge titanium at home and abroad adopts the method of reducing titanium tetrachloride with magnesium, and directly introduces titanium tetrachloride into the airtight container. The reduction of titanium tetrachloride by magnesium is an exothermic reaction, and its main chemical reaction is: TiCl 4 +Mg→MgCl 2 +Q, the heat of reaction radiates directly to the bottom plate of the large cover, especially in the later stage of reduction and feeding, the bottom plate of the large cover is corroded by heat, and impurity iron is mixed into the product, resulting in high iron content in the product; if the excess heat cannot be discharged in time, It will cause the temperature in the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22B34/12F27D17/00
CPCC22B34/1272F27D17/004Y02P10/25
Inventor 张美杰赵冠杰刘峰和奔流刘红星张燕平张建林张军丽杨德杨倩
Owner 云南国钛金属股份有限公司
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