Omni-directional sand transport monitoring method
A technology for transporting and storing sand, which is applied in the direction of measuring devices, testing of machines/structural components, instruments, etc. It can solve the problems of large volume of the ground part, small sand collection space, and large disturbance of wind and sand flow field, and achieve transportation and loading and unloading Convenience, large sand storage space, and the effect of reducing workload
Active Publication Date: 2014-12-10
XINJIANG INST OF ECOLOGY & GEOGRAPHY CHINESE ACAD OF SCI
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Problems solved by technology
The commonly used BSNE sand collector in the world can rotate with the wind, and can collect the total amount of sand transported in all wind directions at a certain height, but it cannot distinguish the sand transported in each wind direction, and the sand storage box has a small space, so it is only suitable for short-term observation
A centralized omnidirectional sand collection instrument has been developed in China: (1) The fixed-point sand collection instrument in different wind directions (patent number 97229178.4) collects the wind and sand flow into the sand collection box of the corresponding wind direction underground through the sand collection outlets in all directions outside, and obtains a certain period of time. The table shows the total amount of sand transported in all directions within a certain height range. There is a large space for storing sand, which can realize long-term observation of sand transport in different wind directions. Accuracy of sand collection; (2) Wind and sand monitoring and sand collection instrument (patent number 200620092161.9) can collect the total amount of sand transported in all wind directions at different heights, but also has the disadvantages of small sand collection space and the inability to distinguish the sand transported in different wind directions; (3) The large sand storage space of the wind-sand flow flow monitor (patent number 200610105285.0) can realize the long-term observation of sand transport in all wind directions on the surface, and can obtain the total amount of sand transport in all directions within a certain height range on the surface within a certain period of time , but can not distinguish between different sand transport; (4) A near-surface sand flow monitoring instrument for sand flow in different wind directions (Patent No. 201020537918.7) overcomes the shortcomings of the above sand collectors, and can collect data from different wind directions within a certain height range on the surface The total amount of sand transported for a long period of time, but the instrument still has the disadvantages of field sampling and collection of windy sand weather, and the rotating device is easily affected by sand particles
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[0027] Further describe below in conjunction with accompanying drawing, and provide embodiment.
[0028] A kind of omnidirectional sand conveying monitoring method described in the present invention, the measuring instrument involved in this method is made up of two parts of above-ground block and underground block, wherein sand collector 1, diverter wing 2, above-ground rotating system and The wind vane is combined into an above-ground block. The wind vane in the above-ground block is composed of a wind vane 6, a connecting rod 8 and an arrow 7. The above-ground rotation system is composed of an above-ground shaft 3, a top cover 4, a casing 10 and a shaft connector 9. Overall; the underground rotating system in the underground block is composed of an underground shaft 15, a bearing seat 17, a bearing 16, a locking screw 19, a sleeve 13 and a sand storage box group 14, and a hole is provided in the middle of the connecting rod 8 in the wind vane Insert and fix the ground shaft...
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The invention relates to an omni-directional sand transport monitoring method. A measuring instrument in the method comprises ground assembly blocks and underground assembly blocks; and the ground assembly blocks and the underground assembly blocks can be connected and detached. The method comprises the following steps of: selecting sand observation points; digging holes on the ground; vertically putting the underground assembly blocks of the measuring instrument in the holes; arranging the ground protection rings between the ground assembly blocks and the underground assembly blocks; spraying the undisturbed soil at the peripheral grounds of the observation points; reducing the human disturbance, and then beginning to observe; and after the observation lasts for 10-20 days or a sand and dust weather occurs, sampling on the observation points. The sand conveyed from different directions can be collected by using the measuring instrument in the method, so that the method is suitable for periodically observing the sand flow on fixed positions for a long time in the field under the unmanned condition. The measuring instrument is convenient to assemble and disassemble, so the sand transport observation of the sand flow can be realized, the sampling operation in the observation site can be realized, the quality of the observation data can be improved, the working efficiency can be improved, the work strength in the field can be reduced, and the service life of the instrument can be prolonged.
Description
technical field [0001] The invention relates to a sandstorm monitoring method, in particular to an omnidirectional sand transport monitoring method. Background technique [0002] The accurate measurement of the total annual sediment load in different wind directions in a region is of great significance to the environmental assessment and desertification control in the economic construction of the region. The commonly used BSNE sand collector in the world can rotate with the wind, and can collect the total amount of sand transported in all wind directions at a certain height, but it cannot distinguish the sand transported in each wind direction, and the sand storage box has a small space, so it is only suitable for short-term observation . A centralized omnidirectional sand collection instrument has been developed in China: (1) The fixed-point sand collection instrument in different wind directions (patent number 97229178.4) collects the wind and sand flow into the sand coll...
Claims
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IPC IPC(8): G01M9/00G01M9/06
Inventor李生宇雷加强徐新文王海峰凌裕泉屈建军
OwnerXINJIANG INST OF ECOLOGY & GEOGRAPHY CHINESE ACAD OF SCI