Farmland drainage ditch sediment sampling device and in-situ on-line detection method

A technology of sampling device and drainage ditch, which is applied in the direction of sampling device, measuring device, sampling, etc., can solve the problems of large deviation, inaccurate use, in-situ measurement of sediment chemical indicators, etc., and achieve the effect of small disturbance and clear interface

Pending Publication Date: 2019-08-27
NANCHANG INST OF TECH
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Problems solved by technology

[0003] The invention provides a bottom mud sampling device of farmland drainage ditches and an in-situ detection method, which solves the problem that the existing bottom mud sampling devices of farmland drainage ditch

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  • Farmland drainage ditch sediment sampling device and in-situ on-line detection method
  • Farmland drainage ditch sediment sampling device and in-situ on-line detection method
  • Farmland drainage ditch sediment sampling device and in-situ on-line detection method

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Embodiment Construction

[0030] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0031] Such as Figure 1-5 As shown, a farmland drainage ditch sediment sampling device includes a mobile mechanism 1, a sampling mechanism, a PLC controller and a power supply,

[0032] The moving mechanism 1 can drive the sampling mechanism to move horizontally, the moving mechanism 1 includes two horizontal bars 1-2 and two cross bars 1-1, and the two cross bars 1-1 are fixed on the horizontal At both ends of the rod 1-2, a slide rail 1-3 is arranged between th...

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Abstract

The invention relates to a farmland drainage ditch sediment sampling device and an in-situ on-line detection method. The farmland drainage ditch sediment sampling device comprises a moving mechanism,a sampling mechanism, a PLC and a power supply; the moving mechanism can drive the sampling mechanism to do a horizontal movement; the power supply provides electric energy for the sampling device; the sampling mechanism comprises a hydraulic cylinder, a sampling cylinder, a sampling bottle and a conical sealing plate; a speed measuring electric telescopic rod and a sensor electric telescopic rodare arranged on a fixed rod; a speed measuring instrument is installed on the speed measuring electric telescopic rod; a sensor installing disk is arranged on the sensor electric telescopic rod; and asensor is installed on the sensor installing disk. According to the device, an interface between a water body and sediment is sensed through pressure sensing equipment; a sediment column sample withthe clear interface can be accurately extracted; the multi-parameter sensor can be arranged to synchronously measure chemical indexes of the sediment; in addition, in-situ detection of the chemical indexes of the sediment can be realized; and the chemical indexes and the flow velocities of water bodies with different depths can be measured in a descending process of the sampling device.

Description

technical field [0001] The invention relates to a bottom mud sampling device and an in-situ detection method of farmland drainage ditches, belonging to the field of farmland drainage and water environment. Background technique [0002] Farmland drainage is an important part of farmland water conservancy. The development of agriculture requires irrigation and drainage. The practical experience of human development and production shows that a perfect irrigation and drainage system has always been inseparable from an effective drainage project. Farmland drainage ditch is an important drainage engineering facility in farmland water conservancy. During the development of agricultural production, the excess water (including surface water and groundwater) in the farmland is discharged into the drainage area (river or lake) by building the farmland drainage ditch. etc.), so that the farmland is in a suitable water condition. Through the research on the physical and chemical indica...

Claims

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Application Information

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IPC IPC(8): G01N1/14G01D21/02
CPCG01D21/02G01N1/14G01N2001/1427
Inventor 潘延鑫井思媛
Owner NANCHANG INST OF TECH
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