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Biomass material drying system

A drying system and biomass technology, applied in the field of drying systems for biomass materials, can solve the problems of low drying efficiency and high energy consumption, so as to improve drying efficiency, increase humidity stability, avoid under-drying and overbaked effect

Active Publication Date: 2011-01-26
GUANGZHOU DEVOTION THERMAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In view of the shortcomings of the prior art, the purpose of the present invention is to provide a drying system suitable for drying biomass materials and precisely controlling the drying degree of materials, so as to solve the problems of low drying efficiency and high energy consumption

Method used

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Embodiment 1

[0022] see figure 1 , the biomass material drying system in this embodiment is a drum-type material drying system, which belongs to an open drying equipment, which includes a feeding device, a heating device, a drying device and a control device, a feeding device, and a heating device. They are respectively connected to the drying device. The control device includes a control unit (not shown in the figure) and a humidity sensor 101 connected to the control unit. The control unit is respectively connected to the feeding device, the heating device and the drying device. The control unit is a single-chip microcomputer including a programmable controller, and other computer systems that can realize industrial control can also be selected; the feeding device is a belt-type feeding mechanism 201, and the control unit controls the speed of the belt to ensure that it enters the oven. The amount of material in the drying device meets the requirements; the heating device includes a hot ...

Embodiment 2

[0025]In the biomass material drying system of the second embodiment, the rotating drum 401 is divided into three areas along the axial direction, which are the first area, the second area and the third area, and the three areas are also respectively provided with The humidity sensor 101, preferably, the humidity sensor 101 is evenly distributed along the circumferential direction of the drum 401 so that the humidity data of the material can be collected more accurately, and other structures are the same as the first embodiment. When the material to be dried passes through the first area, the humidity sensor 101 in this area measures the humidity of the material to be dried. If the humidity of the material to be dried there is within the predetermined humidity range under empirical conditions, the control unit has no instruction. If the humidity of the material to be dried is too low, the control unit will issue an instruction to increase the inclination angle of the drum 401 o...

Embodiment 3

[0027] In the biomass material drying system of the third embodiment, the control device further includes a temperature sensor 102 connected to the control unit. The temperature sensor 102 is respectively arranged in the hot air inlet 404 and the hot air outlet 406 of the drum 401, and other The structure is the same as the second embodiment. According to the temperature sent back by the temperature sensor, the control unit can control the fuel injection amount of the hot blast stove according to the specific situation, increase or decrease the temperature in the drum, and realize more accurate drying control.

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Abstract

The invention discloses a biomass material drying system comprising a feeding device, a heating device and a drying device, wherein the feeding device and the heating device are respectively connected with the drying device. The biomass material drying system also comprises a control device which comprises a control unit and more than one humidity sensors connected with the control unit, wherein the control unit is respectively connected with the feeding device, the heating device and the drying device and controls the feeding device, the heating device or / and the drying device according to the humidity of material to be dried, which is obtained by the humidity sensors. The control unit of the invention can determine the humidity of the material to be dried in the drying device according to signals fed back from the humidity sensors, and the heat output of the heating device and the feeding amount of the drying device are adjusted according to the humidity so as to accurately control the drying degree of biomass in a drier, increase the humidity stability of the biomass, avoid missed drying and over-drying and improve the drying efficiency.

Description

technical field [0001] The present invention relates to a material drying technology, more particularly, the present invention relates to a drying system for biomass materials. Background technique [0002] Material drying equipment is widely used in various industries, such as building materials, metallurgy, chemical industry, cement industry and other industries. In the laundry industry, drying equipment is used to dry wet laundry, which improves the efficiency of the entire laundry process. [0003] At present, material drying equipment is mainly divided into two categories: one is open drying equipment, and the other is closed drying equipment. The open drying equipment is equipped with a heat source, which heats the air through the heat source, and then uses the wind device to promote the hot air to flow through the material to be dried and then discharge the hot air to the outside atmosphere, thereby taking away the material to be dried. The moisture in the material ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F26B11/04F26B25/22
Inventor 常厚春李祖芹马革张衍胜
Owner GUANGZHOU DEVOTION THERMAL TECH
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