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Method for automatically lifting, weighing and measuring moisture content of ground surface combustible

A technology of automatic lifting and measurement method, which is applied in the field of moisture content measurement of surface combustibles and automatic lifting weighing measurement of surface combustibles moisture content, which can solve the problem that the moisture content of combustibles cannot be obtained in real time, the weighing method takes a long time to dry, and cannot Using forest fire risk forecasting and other issues to achieve the effects of saving human resources and test costs, ensuring accuracy, and avoiding errors

Active Publication Date: 2015-04-08
金森 +1
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Problems solved by technology

[0006] In order to solve the problems that the existing weighing method takes a long time to dry, cannot obtain the moisture content of combustibles in real time, and cannot be used in forest fire forecasting, and further provides a weighing measurement method for automatically increasing the moisture content of surface combustibles

Method used

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  • Method for automatically lifting, weighing and measuring moisture content of ground surface combustible
  • Method for automatically lifting, weighing and measuring moisture content of ground surface combustible
  • Method for automatically lifting, weighing and measuring moisture content of ground surface combustible

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specific Embodiment approach

[0063] Specific implementation method: see Figure 1 to Figure 14 , the water content of surface combustibles in the present embodiment automatically increases the weighing measurement method,

[0064] Specific ideas

[0065] Gravimetry is the most accurate method of measuring moisture content. If a part of the combustibles bed in the field can be intercepted without destroying the bed structure and the dry mass of this part is known, then the fresh weight of the part of the surface combustibles can be continuously weighed to obtain the moisture content of the combustibles in real time. It can be used for fire hazard forecasting. To achieve this goal, the following issues need to be addressed:

[0066] 1. When sampling the combustibles to be weighed, its structure must be kept unchanged and have the same initial moisture content, so as to ensure that the rate of change of the moisture content of the combustibles to be weighed is the same as that of the combustibles in the f...

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Abstract

The invention relates to a method for automatically lifting, weighing and measuring moisture content of a ground surface combustible and a sampling and weighing device, belonging to the field of methods for measuring the physical property index of the combustible and measuring apparatuses and aiming at solving the problem that the existing weighing method costs long time in drying, cannot get the moisture content of the combustible in real time, and cannot be used for forecasting forest fire danger. The method comprises the following steps of sampling a combustible bed layer through a sampling knife, a sampling shovel and a layering comb and preparing the combustible to be weighed; putting the combustible to be weighed in a weighing tray and putting the combustible to be weighed in field environment; installing a lifting weighting measuring device; taking a small amount of ground surface fine combustible with the same thickness outside the sampling shovel; weighing the fresh weight and recording; putting the ground surface fine combustible in a plastic bag and sealing the plastic bag; bringing the plastic bag back to a laboratory and putting the plastic bag in an oven for drying; taking out and weighing to get the dry weight, and calculating the initial moisture content of the combustible to be weighed so as to determine the dry mass of the combustible to be weighed; then monitoring the moisture content of the combustible by electronic equipment in real time. The method is used for monitoring the moisture content of ground surface combustibles.

Description

technical field [0001] The invention relates to a method for measuring the moisture content of surface combustibles and a sampling and weighing device, in particular to a method for automatically lifting and weighing the moisture content of surface combustibles, and belongs to the field of measuring methods for physical property indexes of combustibles and measuring instruments. Background technique [0002] Forest fire is one of the most serious disasters to forest damage. Doing a good job in forest fire risk forecasting is an important means to prevent forest fires. The moisture content of combustibles affects the possibility of forest fire and the fire behavior after fire. Obtaining the moisture content of forest fuels accurately and in real time is the core task of forest fire forecasting. Surface fine combustibles refer to undecomposed litter on the surface of the forest, including fallen leaves and dead branches. The combustible bed refers to the aggregate of combus...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N5/04
Inventor 金森于宏洲
Owner 金森
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