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Float lever automatic control flow constant water head soil saturated hydraulic conductivity batch tester

A hydraulic conductivity and lever technology, which is used in the analysis of suspensions and porous materials, measurement devices, scientific instruments, etc. Accuracy and high sensitivity

Active Publication Date: 2017-10-20
INST OF SOIL SCI CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The technical problem to be solved: In order to overcome the problems of low measurement efficiency, high unit sample measurement cost and large error between sample data in the existing soil saturated hydraulic conductivity measurement, the invention provides a floating ball lever to automatically control the flow and fix the water head. Soil saturated hydraulic conductivity batch tester, the tester can not only measure the soil saturated hydraulic conductivity more efficiently and accurately, but also automatically add water to ensure the constant water head measurement conditions

Method used

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  • Float lever automatic control flow constant water head soil saturated hydraulic conductivity batch tester
  • Float lever automatic control flow constant water head soil saturated hydraulic conductivity batch tester
  • Float lever automatic control flow constant water head soil saturated hydraulic conductivity batch tester

Examples

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Effect test

Embodiment 1

[0037] control figure 1 and figure 2, Batch measuring instrument for soil saturated hydraulic conductivity with automatic water addition and constant water head, which is composed of four parts connected in sequence: water supply device, floating ball lever device, water constant device, and water bearing device. The water supply device includes a water supply tank 1, a water inlet 2, a water inlet screw cap 3, an exhaust port 4, an exhaust port screw cap 5, an air inlet 6, an air inlet valve 7, an air inlet conduit 8, and an outlet pipe of the water supply tank 9. Outlet pipe valve 26, water supply tank support 10 and other parts. Float lever device comprises lever 15, first fulcrum 11, second fulcrum 12, float 16, piston 14, parts such as piston connecting rod 13. The water-fixing device is made of parts such as water-fixing tank 17, ring knife exposure opening 19, rubber stopper 18, rubber sheath 20, ring knife 21, ring knife bottom cover 22. Water receiving device is m...

Embodiment 2

[0098] Float lever automatic control flow fixed water head soil saturated hydraulic conductivity batch tester, composed of water supply device, float lever device, water constant device and water receiving device; the water supply device includes a water supply tank 1, a water supply tank bracket 10 and a water supply Tank outlet pipe 9, the top of the water supply tank 1 is provided with a plugged water inlet 2 and a plugged exhaust port 4, the water supply tank outlet pipe 9 is located at the bottom of the water supply tank 1, and the water supply box body is at the same level as the water supply tank outlet pipe Air inlet 6 is arranged at the place, and air inlet 6 is provided with air inlet duct 8, and valve is all arranged in water supply tank outlet pipe 9 and air inlet 6, and the end of water supply tank outlet pipe 9 is that the cross-section is narrow at the top and wide at the bottom. The wedge-shaped opening; the floating ball lever device includes a lever 15, a floa...

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Abstract

Float lever automatic control flow constant water head soil saturated hydraulic conductivity batch tester is composed of water supply device, float lever device, water constant device and water receiving device; the water supply device includes a water supply tank, a water supply tank bracket and a water supply tank outlet water pipe; the floating ball lever device includes a lever, a floating ball, a piston and a piston connecting rod; the water fixing device includes a fixed water tank, a ring knife exposure opening, a rubber plug, a rubber sheath, a ring knife and a ring knife bottom cover; The water receiving device includes a funnel frame, a funnel and an Erlenmeyer flask. The measuring instrument can not only measure the soil saturated hydraulic conductivity more efficiently and accurately, but also add water automatically to ensure the condition of constant water head measurement.

Description

technical field [0001] The invention relates to a measuring instrument for measuring soil saturated hydraulic conductivity, in particular to a device capable of automatically adding water and measuring soil saturated hydraulic conductivity in batches by means of constant water head method. Background technique [0002] Soil saturated hydraulic conductivity (also known as soil permeability coefficient or hydraulic conductivity coefficient) refers to the amount of water passing through a unit area per unit time under a unit water potential gradient when the soil is saturated with water. It is the characteristic of soil texture, bulk density and pore distribution. Function is one of the important physical properties of soil, which reflects the pore condition and water conductivity of the soil, as well as the soil texture. Soil saturated hydraulic conductivity can reflect the movement process of soil water in the field to a large extent, such as water infiltration, redistributio...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N15/08
Inventor 刘洪强刘广明杨劲松李兵
Owner INST OF SOIL SCI CHINESE ACAD OF SCI
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