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Biomass microwave continuous pretreatment reactor

A microwave reaction system and pretreatment technology, which is applied in the field of biochemical industry, can solve problems such as limiting the optimal design of industrial application equipment, lack of theoretical basis and models for engineering amplification, and restricting the expansion of microwave technology, so as to achieve simple structure, low equipment cost, and production high efficiency effect

Inactive Publication Date: 2012-09-12
INST OF PROCESS ENG CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In summary, the existing microwave equipment cannot provide a good environment for continuous biomass pretreatment, resulting in the lack of corresponding theoretical basis and models for its engineering scale-up, which largely limits the optimal design of its industrial application equipment and also restricts Further expansion of microwave technology in other application fields

Method used

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Examples

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Effect test

Embodiment 1

[0031] Biomass microwave continuous pretreatment reactor for processing 1kg corn stalk per hour.

[0032] as attached figure 1, the material with a solid-liquid ratio of 10% (m / v) first enters the inlet end of the conveyor belt from the feed funnel 2, and the material is transported by the conveyor belt 10. The conveyor belt is made of Teflon-coated glass wool and is equipped with a leak-proof Structure, rollers are installed at the bottom of both sides of the conveyor belt to make the conveyor belt into a 'concave' structure to prevent material leakage. After passing through the microwave suppressor 3, it is delivered to the microwave cabinet 7. The upper end of the microwave box 7 is provided with a water supply nozzle and a humidity probe, which can adjust the moisture content of the materials in the process, and detect the humidity change in the box, and at the inlet, middle, and outlet of the microwave box. A thermocouple thermometer is installed at the material inlet t...

Embodiment 2

[0035] A biomass microwave continuous pretreatment reactor that processes 3kg of fast-growing willow per hour.

[0036] as attached figure 1 , the material with a solid-liquid ratio of 10% (m / v) first enters the inlet end of the conveyor belt from the feed funnel 2, and the material is transported by the conveyor belt 10. The conveyor belt is made of wave fiber plus PTFE, and has a leak-proof Structure, rollers are installed at the bottom of both sides of the conveyor belt to make the conveyor belt into a 'concave' structure to prevent material leakage. After passing through the microwave suppressor 3, it is sent to the microwave box 7. The upper end of the microwave box 7 is provided with a water supply nozzle and a humidity probe, which can adjust the moisture content of the materials in the process and detect the humidity in the box. changes, and infrared thermometers are installed at the inlet, middle, and outlet of the microwave box respectively to detect the temperature...

Embodiment 3

[0039] Biomass microwave continuous pretreatment reactor for processing 6kg miscanthus per hour.

[0040] as attached figure 1 , the material with a solid-liquid ratio of 10% (m / v) first enters the inlet end of the conveyor belt from the feed hopper 2, and the material is transported by the conveyor belt 10. The conveyor belt is made of polyamide and is equipped with a leak-proof structure. Both sides of the conveyor belt Rollers are installed at the bottom to make the conveyor belt into a "concave" structure to prevent material leakage. After passing through the microwave suppressor 3, it is sent to the microwave box 7. The upper end of the microwave box 7 is provided with a water supply nozzle and a humidity probe, which can adjust the moisture content of the materials in the process and detect the humidity in the box. change, and thermal resistance thermometers are respectively installed at the inlet, middle, and outlet of the microwave cabinet to detect the temperature in...

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Abstract

The invention discloses biomass microwave continuous pretreatment equipment, the structure of which comprises: a material continuous input system, a microwave power continuous linear-tunable reaction system, a microwave leakage prevention system, a control and detection system, a thermal discharge and dehumidification system, a material mixing system, a water supplementing system and a material output system. According to the invention, a high-density material is conveyed into a microwave reaction system through a feed device and a conveyor belt; under the control of a temperature and humidity detection system, the water supplementing system and the material mixing system, the material is adjusted within required temperature and humidity ranges, heat transfer and mass transfer of the material are uniform, and finally the material is outputted by the output system so as to realize continuous pretreatment of the material. The equipment adopts touch screen operation and dynamic display of parameters such as microwave power, temperature, humidity, time and the like, has high automatic and intelligent level, and is easy and convenient for man-machine communication. The equipment provided by the invention realizes continuous pretreatment of biomass at normal pressure, has advantages of high processing efficiency and low energy consumption, and is used to reduce pretreatment cost.

Description

technical field [0001] The invention belongs to the field of biochemical industry, in particular to a biomass microwave continuous pretreatment reactor. Background technique [0002] With the increasing shortage of fossil fuel-based traditional energy sources such as coal and oil and a series of environmental problems in the process of utilization, countries all over the world are actively exploring the use of renewable energy, and biomass is the most abundant on the earth. Renewable energy has attracted more and more attention. Optimizing the biorefinery process is an important prerequisite for improving biomass utilization efficiency, and the pretreatment process is a key link in biorefinery. For the pretreatment of biomass, researchers have done a lot of research work by using acid, alkali, steam explosion, hydrothermal, plasma, microwave, ultrasonic, ionic liquid and other methods. Among them, microwave pretreatment has attracted the attention of researchers due to its...

Claims

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Application Information

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IPC IPC(8): B01J19/12
Inventor 徐建彭华栋李宏强陈金金
Owner INST OF PROCESS ENG CHINESE ACAD OF SCI
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