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Microwave heating device and application thereof in chemical reaction

A microwave heating device and microwave irradiation technology, applied in microwave heating, application, dielectric heating, etc., can solve the problem that the microwave heating device cannot control the temperature of materials, etc.

Active Publication Date: 2011-08-17
浙江泰德新材料有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] The object of the present invention is to overcome the defect that the microwave heating device in the prior art cannot control the temperature of the material under continuous microwave irradiation, and provide a microwave heating device that can control the temperature of the material under continuous microwave irradiation

Method used

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  • Microwave heating device and application thereof in chemical reaction
  • Microwave heating device and application thereof in chemical reaction
  • Microwave heating device and application thereof in chemical reaction

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] figure 1 and figure 2 One form of microwave heating device contemplated by the present invention is provided.

[0034] The microwave heating device includes a microwave irradiation chamber 4 , a material pipe 5 , a heat exchange pipe 6 and a waveguide 15 . The microwave irradiation chamber 4 is made of stainless steel, and its size is 10m×15m×0.3m. There is a material pipe interface on the upper and lower parts of the microwave irradiation chamber 4, so that the material pipe can penetrate and pass through. The material pipe interface is connected with the material pipe. 5 are sealed by a sealing ring 10. The material tube 5 is made of polytetrafluoroethylene with an inner diameter of 80 mm. The material tube 5 is arranged in a serpentine shape in the microwave irradiation chamber 4 with a total length of 80 m. The heat exchange tube 6 is arranged in the material tube 5, enters into the material tube 5 at the small hole outside the microwave irradiation chamber 4 of...

Embodiment 2

[0037] This example illustrates the application of the microwave heating device in Example 1 in the production of NaY molecular sieves.

[0038] 1. Preparation of guiding agent

[0039] by 16Na 2 O:Al 2 o 3 : 15SiO 2 : 320H 2 The molar ratio of O weighs 19.91Kg water glass (SiO 2 Weight %: 26%, Na 2 (2% by weight: 8.2%) and 5.12Kg water, under stirring, 19.61Kg perbasic sodium metaaluminate (Al 2 o 3 Weight %: 3%, Na 2 (2% by weight: 21%) was added therein, and stirred continuously for 1 h, and then aged at 30° C. for 24 h.

[0040] 2. Preparation of NaY molecular sieve

[0041] 20.58Kg NaOH, 89.01Kg water, 44.65Kg of the above-mentioned directing agent, water glass (SiO 2 Weight %: 26%, Na 2 (2% by weight: 8.2%) 112.39Kg joins in the feed tank 2, opens the stirring paddle 1, under vigorous stirring, 234.37Kg aluminum sulfate solution (34.37Kg Al 2 (SO 4 ) 3 18H 2 O is dissolved in the aqueous solution that forms in 200Kg water) joins in the above-mentioned mix...

Embodiment 3

[0045] The composition of the microwave heating device in this embodiment is basically the same as that in Embodiment 1, except that the size of the microwave irradiation cavity is 10m×15m×0.6m, the inner diameter of the material pipe 5 is 200mm, and the inner diameter of the heat exchange tube 6 is 25mm .

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PUM

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Abstract

The invention discloses a microwave heating device, including a microwave illumination cavity and a material tube which is perforated in the microwave illumination cavity and pulls in and out from the cavity wall of the microwave illumination cavity. A waveguide tube for leading-in of the microwave is provided on the cavity wall of the microwave illumination cavity, the microwave heater includes a heat exchange tube provided in the material tube, and the heat exchange tube enters and leads out from the pipe orifice or pipe wall of the material tube. The present invention also discloses application of the microwave heater in chemical reactions. The microwave heater provided by the invention can control the temperature of the material in the material tube under continuous microwave illumination.

Description

technical field [0001] The invention relates to a heating device, more specifically a microwave heating device. Background technique [0002] Microwave is an electromagnetic wave whose wavelength is between that of infrared light wave and radio wave, that is, the wavelength is in the range of 1mm-100cm. [0003] In the microwave field, the medium molecules produce dipole steering polarization and interface polarization. Since the alternating electric field generated by the microwave turns at a high speed up to hundreds of millions of times per second, the dipole steering polarization does not have the ability to quickly keep up with the alternating electric field. The ability lags behind the electric field, which leads to friction between molecules and generates heat energy. The energy is transmitted in the form of electromagnetic waves, which can realize stirring at the molecular level and achieve rapid and uniform heating. Therefore, microwave heating is also called "no te...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J19/12H05B6/64H05B6/60F24C7/02
Inventor 李云龙赵岩林童扬传陈国兴
Owner 浙江泰德新材料有限公司