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Silicon carbide ceramic continuous flow reactor/condenser and manufacturing method thereof

A technology of silicon carbide ceramics and a manufacturing method, which is applied in the directions of manufacturing tools, supply devices, etc., can solve the problems such as no continuous flow reactor or condenser, and achieves a simple and practical method, good mixing effect, and enhanced heat exchange strength. Effect

Inactive Publication Date: 2019-04-26
邱洪
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, no continuous flow reactor or condenser made of silicon carbide ceramics has been seen so far

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Embodiment 1 makes the silicon carbide continuous flow channel reactor of plate structure

[0025] The first step is to make the lost foam: use the lost foam to create the structure of fluid turbulence in the channel: make the lost foam into a regular cross-flow static mixed structure anti-model form;

[0026] The second step is to make the reactor shape mold: make the silicon carbide ceramic into a plate according to the design requirements, and make the corresponding mold;

[0027] The third step is to make the rough billet of the reactor: 1) prepare the silicon carbide slurry, mix the silicon carbide micropowder, pure silicon micropowder, and charcoal micropowder evenly in the ratio of 92:4:4, and adjust it into a thick slurry with water; 2) finalize the shape, Put the lost foam in the middle of the plate mold that needs to be shaped, use the lost foam to shape the internal structure, and the outer mold is to shape the exterior of the product; 3) Pour the silicon car...

Embodiment 2

[0031] Embodiment 2 makes the silicon carbide continuous flow channel reactor of tubular structure

[0032] The first step is to make the lost foam: use the lost foam to create the structure of fluid turbulence in the channel: make the lost foam into a regular cross-flow static mixed structure anti-model form;

[0033] The second step is to make the reactor shape mold: according to the design requirements, the silicon carbide ceramics are made into a tube shape, the outer diameter of the reaction tube is 12mm, and the inner diameter is 8mm;

[0034] The third step is to make the rough billet of the reactor: 1) prepare the silicon carbide slurry, mix the silicon carbide micropowder, pure silicon micropowder, and charcoal micropowder evenly in the ratio of 92:4:4, and adjust it into a thick slurry with ethanol; 2) finalize the shape , put the lost foam in the middle of the pipeline mold that needs to be shaped, use the lost foam to shape the internal structure, and the outer mol...

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Abstract

The invention relates to a silicon carbide ceramic continuous flow reactor / condenser. The silicon carbide ceramic continuous flow reactor / condenser is manufactured by the following steps: manufacturing plate structure equipment or tubular structure equipment by a method of shaping the internal part of an evanescent mode, shaping the outer part of a mold and then performing staged reaction sintering; and manufacturing unit reactors by clamping a heat-conducting oil heat exchange plate on the outer side of a reaction plate or sleeving a metal tube to perform heat exchange with a silicon carbideceramic plate or tube, connecting the unit reactors by a flange clamping connection mode to form a long silicon carbide constant-temperature channel and forming the continuous flow reactor / condenser with high-temperature resistance, high-pressure resistance and corrosion resistance. The reactor / condenser adopts one-time sintering molding, a flow turbulent mixer with a complex structure is cast inthe device at one time, the method is simple and practical and quantity production can be realized; a static mixture and the inner wall of a pipeline are sintered simultaneously, so the material mixing effect is more excellent than that of a built-in mixer; and the heat exchange strength of the silicon carbide reactor / condenser is effectively enhanced, and the compression resistance and the stressstrength are greatly improved. The silicon carbide ceramic continuous flow reactor / condenser is suitable for chemical reaction with heat exchange.

Description

technical field [0001] The invention relates to a chemical reaction device, in particular to a silicon carbide ceramic continuous flow reactor. Background technique [0002] Reactor is the equipment to realize the reaction process, which is widely used in chemical industry, oil refining, metallurgy, light industry and other departments. As we all know, silicon carbide ceramics (silicon carbide ceramics, the main component SiC) not only has excellent mechanical properties at room temperature, such as high bending strength, excellent oxidation resistance, good corrosion resistance, high wear resistance and low coefficient of friction , and the high-temperature mechanical properties are the best among known ceramic materials, and it is the material with the best high-temperature strength among ceramic materials. The oxidation resistance is also the best among all non-oxide ceramics, and it is an ideal material for making chemical reaction pipes and condensers. However, silico...

Claims

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Application Information

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IPC IPC(8): C04B35/565C04B35/622C04B35/65B28B13/02
CPCB28B13/02C04B35/573C04B35/622C04B2235/422C04B2235/428C04B2235/6022C04B2235/661
Inventor 邱洪
Owner 邱洪