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Continuous microwave heating double-shaft mixer

A microwave heating device and biaxial stirring technology, which is applied to mixers with rotating stirring devices, mixer accessories, chemical/physical/physical chemical fixed reactors, etc., can solve the problem of large space occupation and achieve a small number of equipment , Reduce energy consumption, simple structure

Inactive Publication Date: 2014-12-10
HENAN BODA MICROWAVE EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These furnaces require supporting equipment and take up a lot of space

Method used

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  • Continuous microwave heating double-shaft mixer
  • Continuous microwave heating double-shaft mixer
  • Continuous microwave heating double-shaft mixer

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Embodiment one: see figure 1 , figure 2 , a continuous microwave heating biaxial stirring device, including a single microwave heating biaxial agitator, the biaxial agitator includes a base 2, a housing 3 arranged on the top of the base 2, and a housing 3 arranged in parallel Two stirring shafts 4, the stirring paddle 5 arranged on the stirring shaft 4, and the power mechanism 1 arranged at the end of the stirring shaft 4, the outer side of the housing 3 is provided with an insulating layer 9, and the two stirring shafts 4 move toward each other , the housing of the biaxial stirrer is provided with a microwave feeding port, and a corresponding microwave heating device is provided on the microwave feeding port, and the microwave heating device includes a microwave generating source 6 arranged on the outside of the housing 3, a connecting microwave The waveguide 7 of the source 6 and the inner cavity of the double-shaft stirrer, and the wave-transparent isolation window...

Embodiment 2

[0031] Embodiment two: see figure 2 , image 3 , the structure of this embodiment is basically the same as that of Embodiment 1, and the similarities will not be repeated. The difference is that the continuous microwave heating biaxial stirring device includes a plurality of biaxial agitators connected in sequence, The outlets and inlets of two adjacent agitators are connected in turn, which can realize a large number of industrialized replications as a whole; because the whole set of equipment adopts unit modular design, the number of equipment can be flexibly matched according to different materials and site conditions, and the market prospect is very broad. .

[0032] Example 1 of this application in practical application: The pulverized Indonesian oil sand ore is heated to about 180°C by a reaction device consisting of a single microwave heating biaxial stirrer, and a small amount of oil-gas mixture volatilizes. Roasting and stirring for 10 minutes, the intermediate pro...

example 2

[0033] Example 2: Granular coal with a small particle size and a water content of 30% is heated to 90-95°C through a reaction device consisting of a single microwave heating biaxial stirrer, and the gas mixture is volatilized. After drying for 8 minutes, granulated coal with a moisture content of 12.5% ​​was obtained. The device has a microwave frequency of 2450 MHz, an output power of 9KW, and a shell length of 2.5 meters.

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Abstract

The invention belongs to the technical field of microwave heating. A continuous microwave heating double-shaft mixer comprises one double-shaft mixer or a plurality of double-shaft mixers sequentially arranged in a communicating way, wherein a microwave feedthrough is formed in the casing of each double-shaft mixer, a corresponding microwave heating device is arranged on the microwave feedthrough, the microwave heating device comprises a microwave generating source arranged on the outer side of the casing, a waveguide for connecting the microwave generating source and an inner cavity of the double-shaft mixer and a wave transmission isolating window arranged at the end part of the waveguide. According to the invention, a temperature condition required by reaction is provided in an efficient microwave heating mode, and energy consumption is greatly reduced; meanwhile, the complexity of the whole device is greatly simplified, equipment reliability is improved, space is saved, and the cost is lowered.

Description

technical field [0001] The invention belongs to the technical field of microwave heating, and in particular relates to a continuous microwave heating biaxial stirring device. Background technique [0002] As a new type of heat source, microwave energy has been increasingly used in heating fields, such as chemical industry, metallurgy, medicine, food, papermaking, wood, etc. Its functions include: sterilization, drying, dry distillation, sintering, roasting, etc. Traditionally used heating furnaces use resistance wire, silicon carbide rods, graphite, etc. as heating elements. After heating the furnace, the materials are heated from the outside to the inside through radiation and conduction. Uniformity affects product performance. [0003] The process of microwave heating is simply that the dielectric material itself loses the energy of the electromagnetic field and generates heat by itself. It does not need heat conduction from the surface to the inside. It belongs to the i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01F7/04B01F15/06B01F15/02B01J19/18
Inventor 乔建安李奎崔杨
Owner HENAN BODA MICROWAVE EQUIP
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