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A teaching demonstration device and teaching method for turbidity flow deposition experiments

A demonstration device and turbidity flow technology, applied in teaching models, educational tools, instruments, etc., can solve the problems of inconvenient simulation of deposition characteristics, uneven mixing, inconvenient fixing of water tanks, etc., and achieve the effect of convenient comparison and observation and reduction of preparation procedures

Active Publication Date: 2021-05-07
YANGTZE UNIVERSITY
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Problems solved by technology

[0012] 2. At present, in the demonstration of turbidity current deposition experiments, the experiments are carried out in separate tanks, and comparison experiments cannot be carried out, and different types of turbidity currents and the depositional characteristics of turbidity currents at different slopes cannot be visually observed, which is not convenient for geology teaching Carried out, can not achieve a good learning effect
[0013] 3. Most of the existing turbidity flow deposition experiment demonstration devices use a simple glass water tank, which cannot be used for comparative experiments, that is, it is impossible to conduct comparative experiments for different sedimentary rock types under the same slope conditions and for the same sedimentary rock type at different slopes. The comparative experiment under different conditions, such as the comparative experiment between sand-rich type and gravel-rich type under the same slope, or the contrastive experiment between sand-rich type and mud-rich type with different sand content, is not thorough enough for the experimental study of turbidity current deposition. It is convenient for the study of turbidity flow deposition, but students cannot grasp the characteristics of turbidity flow deposition of gravel-rich, sand-rich, sand-mud mixed, and mud-rich sedimentary rocks well
[0014] 4. At present, when conducting geological turbidite sedimentation experiments, the mixing of mud, sand, and water is mixed randomly or added in equal proportions, and there is no mixing of different components of mud, sand, and water for the different turbidites formed. , the characteristics of the formed turbidity currents are not obvious, and students cannot distinguish the proportioning characteristics and depositional characteristics of different types of turbidity currents.
[0015] 5. The traditional geological turbidity flow deposition experiment is to place the water tank on the table or the ground. The water tank is made of transparent glass. The ground and the table itself have stripes or colors, which is easy to cause visual confusion and is not conducive to observing the characteristics of turbidity flow deposition. , not convenient for research and study
[0016] 6. In the traditional turbidity flow deposition experiment of geological sedimentology, it is difficult to change the sedimentary slope, which is not convenient for simulating the sedimentary characteristics under various slopes, and it is not convenient for studying the critical conditions of collapse turbidity. If the sedimentation has different slopes, human operation is required to change the tank The slope is very inconvenient to operate, and it is also extremely inconvenient to fix the sink after changing the slope
[0017] 7. At present, when conducting geological turbidity current deposition experiments, it is necessary to slowly pour sediment and other materials into the tank, which is time-consuming and labor-intensive, and the labor intensity is high. People keep one movement for a long time, which is easy to cause fatigue.
[0018] 8. When the current geological turbidity flow deposition experiment is carried out, the mixing device for raw materials such as sediment cannot be integrated with the water tank, and it is not convenient for materials such as sediment to enter the water tank. It is time-consuming and inconvenient to increase the preparation process for the tank experiment. Conduction of turbidity flow deposition experiments
[0019] 9. The stirring process in the existing geological turbidity flow deposition experiments is mostly manual stirring, which is low in automation, time-consuming and laborious, and mud, water and sand are poured together during stirring, which is not convenient for mixing materials and is easy to cause mixing Unevenness, slow stirring speed and long stirring time will affect the turbidity flow deposition experiment. Most of the stirring devices are drums, etc., which are easy to cause splashing of materials such as sediment and uneven stirring. The splashing of sediment and other materials needs to be cleaned ,waste time
[0020] 10. The existing stirring device can only stir at the bottom when stirring, which will lead to uneven mixing of mud, water and sand. At the same time, the stirring time will be increased to delay the turbidity flow deposition experiment.
[0021] At present, there is no device that can solve the above problems. In order to better carry out the teaching of geological turbidity current deposition experiments, a device that solves the above problems is introduced, which has certain significance for improving the learning effect of geological turbidity current deposition experiment teaching. , it is also of great significance to the study of sedimentology and has certain social value

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  • A teaching demonstration device and teaching method for turbidity flow deposition experiments
  • A teaching demonstration device and teaching method for turbidity flow deposition experiments
  • A teaching demonstration device and teaching method for turbidity flow deposition experiments

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Embodiment Construction

[0057] The present invention is described in further detail now in conjunction with accompanying drawing. These drawings are all simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, so they only show the configurations related to the present invention.

[0058] combined with figure 1 --The structure given in 4 is a teaching and demonstration device for turbidity current deposition experiments. The tank body is composed of tanks A6 and B9 arranged vertically opposite each other. Both tanks A6 and B9 are made of transparent plastic or made of glass material, and the lower surface of the water tank A6 and the water tank B9 are respectively provided with a drain 34, and the described drain 34 is a plugging spring type drain or a plugging flap type drain, in the described The opposite end of the water tank A6 to the water tank B9 is provided with a dividing plate 12, and the other end of the water tank A6 and the ...

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Abstract

A turbidity flow deposition experiment teaching demonstration device and teaching method thereof, relating to an experimental demonstration device, the tank body is composed of tank A (6) and tank B (9) vertically oppositely arranged; the invention described A teaching demonstration device for turbidity current deposition experiments, which provides four types of sedimentary turbidity current characteristics for four types of sedimentary turbidity currents: gravel-rich sedimentary turbidity current, sand-rich sedimentary turbidity current, sand-mud mixed sedimentary turbidity current and mud-rich sedimentary turbidity current. The formulation of turbidity flow water, mud, and sand content, finely distinguish the geological characteristics of each geological sedimentation turbidity flow, and demonstrate the movement characteristics of each type of sedimentary turbidity flow through the comparison of two tanks that can adjust the slope. According to the size of the slope and the slope Adjust the velocity of the turbidity current, observe the unloading of sediments in the turbidity current, and form the geological knowledge of the turbidity current deposition to ensure the rigor and integrity of the experimental operation, and help students comprehensively and finely grasp the relevant knowledge of geological turbidity current deposition.

Description

technical field [0001] The invention relates to an experiment demonstration device, in particular to a turbidity flow deposition experiment teaching demonstration device. Background technique [0002] The generalized turbidity current is underwater gravity flow. Turbidity current in a narrow sense is a special form of underwater gravity flow, which is a mixture of water and a large amount of sand and mud supported by a self-suspended turbulent flow mechanism, which moves at the bottom of the water (deep water area below the wave base) density flow. Turbidity currents mostly occur in continental margins and are often triggered by factors such as earthquakes, landslides, and storm waves. They are an important mechanism for transporting terrigenous materials from shallow seas to deep seas, and can form turbidity current deposits on continental margins or ocean basins. Paleoturbidity current deposits formed during geological periods often become oil reservoirs. As a unique ty...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09B23/40
CPCG09B23/40
Inventor 单敬福
Owner YANGTZE UNIVERSITY
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