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Rapid determination method and device for ash content in lignocellulosic biomass fuel

A technology of biomass fuel and woody biomass, which is applied in the direction of weighing, analyzing materials, and instruments by removing certain components, can solve the problem that the efficiency and accuracy of ash content determination cannot be balanced, and achieve high accuracy of measurement results , The measurement steps are simple, and the effect of eliminating manual operation

Active Publication Date: 2015-06-10
GUANGDONG ELECTRIC POWER SCI RES INST ENERGY TECH CO LTD
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a rapid determination method for the ash content of woody biomass fuel, so as to overcome the problem that the determination efficiency and accuracy of the ash content of woody biomass fuel cannot be balanced in the prior art

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  • Rapid determination method and device for ash content in lignocellulosic biomass fuel

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Embodiment 1

[0035] see figure 1 , the rapid determination method of ash content in woody biomass fuel of the embodiment of the present invention one, comprises:

[0036] Step 1: Take an ash dish and burn it for 2-3 hours until it has a constant weight. During the burning process, the ash dish is gradually heated from room temperature to the ashing temperature of 575°C. After the burning is completed, weigh the ash dish with a constant weight. The mass is recorded as m 0 , the ash dish after weighing is placed in a desiccator for standby;

[0037] Step 2: Make the tested biomass fuel into particles with a particle size of less than 0.2 mm, take out a sample of the tested biomass fuel with a mass of 0.50 ± 0.05 g, and spread it evenly in the gray dish described in step 1, so that its The mass per square centimeter is below 0.15g, and the gray dish containing the tested biomass fuel sample is weighed, and its mass is recorded as m 1 ;

[0038] Step 3, put the ash dish described in step 2...

Embodiment 2

[0048] The quick determination method of embodiment two of the present invention is basically the same as embodiment one, and their difference is: the ashing temperature of present embodiment two is 575 ℃, and the quality of a tested biomass fuel sample is 0.75g, and the The burning time of the biomass fuel sample is 50min.

Embodiment 3

[0050] The quick determination method of embodiment three of the present invention is basically the same as embodiment one, and their difference is: the ashing temperature of present embodiment three is 600 ℃, and the quality of a tested biomass fuel sample is 0.75g, and the The burning time of the biomass fuel sample is 50min.

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Abstract

The invention discloses a rapid determination method for ash content in a lignocellulosic biomass fuel. The method comprises the following steps: firing a measured biomass fuel sample of which the mass is 0.50-075g at the ashing temperature of 575-600 DEG C for 40-50 minutes, recording the mass of the measured biomass fuel sample before and after firing, so as to calculate the air-dried ash content in the measured biomass fuel. By adopting the method, the ash content of the biomass fuel can be quickly and efficiently determined, and the method has the advantages of high measurement result accuracy and low implementation cost. The invention also discloses a determination device for the ash content in the lignocellulosic biomass fuel by using the rapid determination method.

Description

technical field [0001] The invention relates to a rapid determination method for ash content in woody biomass fuels, and also relates to an automatic determination device for the ash content in woody biomass fuels using the rapid determination method. Background technique [0002] Due to the dual attributes of biomass being environmentally friendly and renewable, biomass fuel is considered to be the most potential resource to replace petroleum. According to statistics, the existing biomass resources in my country are more than 650 million tons of standard coal, which is considered to be the most abundant in the world. Potential renewable energy resources. The basic properties of biomass, such as industrial analysis indicators, have a crucial impact on biomass fuel collection, processing, feedstock application, and selection of combustion boilers. Biomass ash is the ash that remains after the combustion of volatile matter and fixed carbon in biomass fuels, and is one of the m...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N35/00G01N5/04
Inventor 张宏亮苏伟陈刚林木松李薇付殿峥
Owner GUANGDONG ELECTRIC POWER SCI RES INST ENERGY TECH CO LTD
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