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Automatic leaching method for soil column simulation test
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A technology of simulation test and soil, applied in soil material testing, material inspection products, etc., can solve the problems of inconvenient operation, low precision of water injection control, unscientific and so on
Inactive Publication Date: 2013-10-16
XINJIANG INST OF ECOLOGY & GEOGRAPHY CHINESE ACAD OF SCI
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Problems solved by technology
As a routine test method, the indoor soil column simulation test has matured after years of technical research and development, but precise water control is a blank in the test. Manual water injection should not be too much at a time, requiring a lot of manual operations, and the accuracy of water injection control is not high. Affect the accuracy of the test, limiting the in-depth study of some
With the study of refined solute migration in the laboratory, the requirements for the test system are getting higher and higher. The traditional soil column test often requires manual water injection, which cannot control the amount of water supply. Long-term frequent manual water injection is not accurate and cannot Science, artificial physical input is high, and uneven water injection will cause damage to the physical properties of the soil
Even if the Martens bottle is used for water supply, due to the inconvenient operation of this method, a large amount of water needs to be replenished, and the automatic control of flow rate and rainfall intensity cannot be realized.
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[0015] The present invention is further described in conjunction with accompanying drawing.
[0016] An automatic leaching method for a soil column simulation test according to the present invention, the devices involved in the method are: a water storage tank, a water pump, a water shortage sensor, a peristaltic pump head, a peristaltic pump controller, an LCD display and buttons, Composed of water injection pipe, universal quick connector, exhaust valve, transparent upper cover, shower seat cavity, transparent protective shell, syringe needle, sealing ring and fixing screws, the water storage tank 1 passes through the suction pipe 2 and the peristaltic pump head 4 Connection, the water shortage sensor 3 is installed on the suction pipe 2, one end of the peristaltic pump controller 5 is connected to the peristaltic pump head 4, and the other end is connected to the LCD display 6, and the peristaltic pump head 4 passes through the water injection pipe 7 and the universal connec...
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Abstract
The invention relates to an automatic leaching method for a soil column simulation test. The method relates to a device consisting of a water storage tank, a pumping pipe, a water shortage sensor, a peristaltic pump head, a peristaltic pump controller, an LCD (Liquid Crystal Display) and keys, a water injection pipe, a universal quick joint, an exhaust valve, an upper transparent cover, a spray seat cavity, a transparent protective casing, a syringe needle and a seal ring. The method can be used for well simulating the evenness of raindrop through a set device, has the advantages of good controllability and accurate adjustment, can perform rainfall spraying simulation quantitatively and regularly according to flow speed, flow rate and rainfall strength, and is suitable for spraying and water supplying in rainfall simulation of a laboratory soil column test. The method is convenient to draw materials, has the advantages of low cost, small manual error and high test accuracy, reduces workload of experimental staff, can be used for accurately simulating rainfall levels of different degrees, realizes automatically spraying on the soil column by stages and strengths, and has high control accuracy, wherein the flow rate can be adjusted in a range of between 0 and 1,000ML / M, and the accumulated rainfall capacity can be displayed in real time.
Description
technical field [0001] The invention relates to an automatic leaching method for a soil column simulation test. The method uses a peristaltic pump with a set strength to automatically sprinkle and humidify the soil in the soil column by simulating rainfall, so as to achieve precise control of the test. Background technique [0002] With the intensification of industrial pollution, the continuous increase in the application of chemical fertilizers in agricultural production, and the increasingly serious pollution of soil and water bodies, in order to protect the ecological environment and sustainable economic development, the prevention and control of soil and water body pollution and the recycling of sewage resources have become more and more popular. It is important to note that there are more and more demands for professional simulation tests related to pollutant migration, leaching, transformation and utilization. As a routine test method, the indoor soil column simulatio...
Claims
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Application Information
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Patent Type & Authority Patents(China)
IPC IPC(8): G01N33/24
Inventor 赵成义盛钰李新
Owner XINJIANG INST OF ECOLOGY & GEOGRAPHY CHINESE ACAD OF SCI