CN106769576A - A kind of method and its device for simulating the crop stalk stream soil erosion - Google Patents
A kind of method and its device for simulating the crop stalk stream soil erosion Download PDFInfo
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- CN106769576A CN106769576A CN201611038997.5A CN201611038997A CN106769576A CN 106769576 A CN106769576 A CN 106769576A CN 201611038997 A CN201611038997 A CN 201611038997A CN 106769576 A CN106769576 A CN 106769576A
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- water
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- soil erosion
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/56—Investigating resistance to wear or abrasion
- G01N3/567—Investigating resistance to wear or abrasion by submitting the specimen to the action of a fluid or of a fluidised material, e.g. cavitation, jet abrasion
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0005—Repeated or cyclic
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- Life Sciences & Earth Sciences (AREA)
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Abstract
The invention discloses a kind of method and its device for simulating the crop stalk stream soil erosion, in the linker (5) during simulation by the water in water supply subsystem (3) by feed pipe (19) injected water volume regulation subsystem (15)；The water on linker (5) top is flowed into stem flow field simulation device (9) of stalk stream soil erosion simulation subsystem (16) by footpath flow tube (17), and the water of bottom returns to water supply subsystem (3) and recycles by return duct (18)；Into the current in stem flow field simulation device (9) along waddy (20) uniform flow below, the simulation cane stream soil erosion is formed into afflux groove (14) below soil domatic (13), then record data and is calculated；Technical scheme can go out the state of plant stem stream in laboratory simulation, so that run-off and soil erosion amount are calculated by experimental technique, for the soil erosion effect of research stalk stream provides help.
Description
Technical field
The invention belongs to cane flow measurement technology field, and in particular to a kind of method of the simulation crop stalk stream soil erosion
And its device.
Background technology
In nature, after rainfall reaches plant canopy, a part of precipitation is retained by plant canopy, and is flowed into stalk
Earth's surface forms stalk stream.Stalk stream has souring to surface soil, causes the soil erosion in surrounding plants certain limit.Cause
This, it is quite necessary under the conditions of plant canopy retention is simplified, a kind of device of simulating plant stalk stream is set up, be research stalk
Stream soil erosion effect provides help.
The content of the invention
The technical problem to be solved in the present invention is：A kind of method of the horizontally arranged simulation crop stalk stream soil erosion is provided
And its device, so that for the soil erosion effect of research stalk stream provides help.
The technical scheme is that such：
The present invention is the method that such a simulates the crop stalk stream soil erosion, and it uses a kind of plant haulm flow field simulation
Experimental provision, the experimental provision includes water supply subsystem, runoff investigation subsystem and stalk stream soil erosion simulation subsystem；Should
Method comprises the following steps：
Step 1：In linker by the water in water supply subsystem by feed pipe injected water volume regulation subsystem, and protect
Card water is constantly flowed into linker；Current are divided into upper and lower two parts, the water on top by linker using small one and large one two buckets
In stem flow field simulation device by footpath flow tube inflow stalk stream soil erosion simulation subsystem, the water of bottom is returned to by return duct
Water supply subsystem is recycled；
Step 2：Into the current in stem flow field simulation device along waddy uniform flow below, into the domatic lower section of soil
Afflux groove in, after reading flow, and record data by the flowmeter in the flow tube of footpath after waterflow stabilization；
Step 3：Runoff and silt that current flow through formation after afflux groove are received with collector, collector is then taken out and is compiled
Number；Water and silt in collector is taken back into laboratory；
Step 4：In the lab, with balance in collector water sand samples weighing, be designated as T1, after water sand-like product are put
Continuously dried 24 hours in baking oven；After sample drying, sample is taken out from baking oven, in holding chamber, after its temperature reaches room temperature, with day
Put down to samples weighing, be designated as T2；
Step 5：Run-off and soil erosion amount are calculated, wherein, run-off=T1-T2；Soil erosion amount=T2- collectors
Tare weight；
Step 6：By changing run-off, repeating 2,3 steps can simulate the soil erosion that different brackets stalk is flowed down.
A kind of plant haulm flow field simulation experimental provision of use of the invention is such：The experimental provision includes the son that supplies water
System, runoff investigation subsystem and stalk stream soil erosion simulation subsystem；
The water supply subsystem is provided with water pump；
The runoff investigation subsystem includes linker, and the linker includes small one and large one two buckets, and keg is placed in greatly
Bucket in, keg be provided with one water is flowed to drum therefrom in delivery port；
The stalk stream soil erosion simulation subsystem includes cane flow field simulation device, and the bottom of cane flow field simulation device is by nail
A son piece waddy of connection, in the bottom insertion soil erosion groove of waddy, the soil erosion groove is on the soil of simulation is domatic
The U-type groove of setting, the afflux groove for collecting water sand-like product is provided with the U-type groove bottom.
The water pump accesses runoff investigation subsystem by feed pipe, and the bottom of feed pipe is located at runoff investigation subsystem
On keg in linker.
In linker, the top of the top less than drum of keg, the bucket bottom of keg is hanging in drum；Linker passes through two
Keg is fixedly connected on the side inwall of drum and connects keg and footpath flow tube by the individual outside water delivery of tap, top tap,
Bottom tap is located at side under the bucket of keg, connects drum and return duct.
The footpath flow tube is provided with regulating valve and flowmeter.
The end of the return duct is connected back in water supply subsystem.
On the top of the waddy, a footpath stream controller is installed, footpath stream controller is used for runoff investigation subsystem stream
The water for going out causes on waddy to produce stalk stream.
Technical scheme can go out the state of plant stem stream in laboratory simulation, so as to pass through experimental technique meter
Run-off and soil erosion amount are calculated, for the soil erosion effect of research stalk stream provides help.
Brief description of the drawings
Fig. 1 is plant haulm flow field simulation experimental provision of the invention.
Fig. 2 is stalk stream soil erosion simulation interpretation of result of the present invention：Flow path surface ratio under different stalk flow conditions
Compared with.
Fig. 3 is stalk stream soil erosion simulation interpretation of result of the present invention：Soil erosion amount ratio under different stalk flow conditions
Compared with.
Description of reference numerals：1- power lines, 2- water pumps, 3- water supply subsystems, 4- delivery ports, 5- linkers, 6- is scalable
Support, 7- regulating valves, 8- flowmeters, 9- cane flow field simulation devices, 10- nails, 11- footpaths stream controller, 12-U type grooves, 13- soil
Domatic, 14- collecting tanks, 15- runoff investigation subsystems, 16- stalk stream soil erosion simulation subsystems, 17- footpaths flow tube, 18- is returned
Flow tube, 19- feed pipes, 20- waddys.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.
Embodiment 1：
Plant haulm stream soil erosion simulation apparatus structure of the present invention is as shown in Figure 1.It can be seen that device master
To include water supply subsystem 3, runoff investigation subsystem 15 and stalk stream soil erosion simulation subsystem 16.Discuss separately below.
(1) water supply subsystem 3：For plant running provides water, it is made up of tank and water 2, water pump 2 passes through power line
1 switches on power.
(2) runoff investigation subsystem 15：The main telescoping shoring column 6 by a linker 5 and below of the system is constituted,
Can be the water-carrying capacity that stalk stream soil erosion simulation subsystem 16 provides different brackets stabilization using the system.Wherein, connect
By two, small one and large one bucket is constituted device 15, and keg is put into drum, the top of the top less than drum of keg, so as to keg
In can be by the inflow drum of delivery port 4 after reclaimed water is full, drum can lay a tap, the tap near the side of bottom
Connection return duct 18, the tank of the tieback water supply subsystem 3 of return duct 18.Keg against drum side inwall with a water
Tap is fixed (attention is unable to leak), and keg top (higher than the position of tap) can use iron wire drill mouth and drum on keg
Being connected increases the stability of keg, and the tap of fixed keg is connected with footpath flow tube 17, and regulating valve 7 and stream are connected in footpath flow tube 17
Gauge 8.
(3) stalk stream soil erosion simulation subsystem 16：The system is made up of stalk flow field simulation part and soil erosion groove.
Cane flow field simulation part includes the cane flow field simulation device 9 of cylindrical structure and the cane of its underpart, is connected by nail 10 therebetween
Connect, wherein, stalk is about the waddy 20 (parameter that can be selected according to simulating plant type) of 1-3m with a diameter about 1-3cm.
On the top of waddy 20, the water that installing a footpath stream controller 11 can flow out runoff investigation system introduces stalk device, to produce
Raw stalk stream.Stalk flow can be measured by flowmeter 8.A U-type groove 12, U-type groove 12 are designed in soil erosion trench bottom
It is arranged on soil domatic 13, before soil erosion groove bankets, the bottom of waddy 20 is fixed in soil erosion groove.U-type groove
12 lower sections are afflux grooves 14, for collecting water sand-like sheet using collector.
Specific embodiment is as follows：
(1) water in water supply subsystem 3 is injected in linker 5, and ensures that water constantly flows into connection wherein, linker
Water in the tap on 5 tops is by plastic tube inflow stalk stream soil erosion simulation subsystem 15, the water process of bottom is moulded
Expects pipe returns to water system and can recycle.
(2) plastic tube on the top of linker 5 is placed on the top of stalk stream soil erosion simulation subsystem 15, and fixed guarantee
Current smooth-going along the uniform flow of waddy 20.After 2-3min, when current are basicly stable, flow is read by flowmeter 8, and record
Data.
(3) runoff formed by the afflux groove 14 in stalk stream soil erosion simulation subsystem 15 with collector water receiving stream
With silt, by 6min, take out collector and number, be within 1 hour one group.Water and silt in collector is taken back into laboratory,
T1 first is designated as to samples weighing with balance (precision 0.001g), after water sand-like product be placed in baking oven continuously dry that (baking oven is permanent 24 hours
100 DEG C of temperature).After sample drying, sample is taken out from baking oven, in holding chamber, after its temperature reaches room temperature, with balance (precision
0.001g) to samples weighing, T2 is designated as.Calculate run-off and soil erosion amount.Wherein, run-off=T1-T2；Soil erosion amount
=T2- collector tare weights.
(4) by changing run-off, repeating 2,3 steps can simulate the soil erosion that different brackets stalk is flowed down.
Result of the test：Using the technology, research is simulated to the corn stem stream soil erosion, measured data of experiment is shown in
Fig. 2 and Fig. 3.It can be seen that under different flow, the runoff erosion amount and soil erosion amount of generation are significantly different, card
Bright the method can be used to the simulating plant stalk stream soil erosion.
Certainly, it is more than concrete application example of the invention, the present invention also has other implementation methods, all using equivalent
The technical scheme that replacement or equivalent transformation are formed, all falls within protection domain of the presently claimed invention.
Claims (7)
1. it is a kind of simulate the crop stalk stream soil erosion method, it is characterised in that：It uses a kind of plant haulm flow field simulation reality
Experiment device, the experimental provision includes water supply subsystem (4), runoff investigation subsystem (15) and stalk stream soil erosion simulation subsystem
System (16)；The method comprises the following steps：
Step 1：Water in water supply subsystem (3) is adjusted the linker of subsystem (15) by feed pipe (19) injected water volume
(5) in, and ensure that water constantly flows into linker (5)；Be divided into for current using small one and large one two buckets by linker (5)
Lower two parts, the water on top flows into the stem flow field simulation device of stalk stream soil erosion simulation subsystem (16) by footpath flow tube (17)
(9) in, the water of bottom returns to water supply subsystem (3) and recycles by return duct (18)；
Step 2：It is domatic into soil into the current in stem flow field simulation device (9) along waddy (20) uniform flow below
(13) in the afflux groove (14) below, flow is read after the flowmeter (8) passed through after waterflow stabilization in footpath flow tube (17), and record
Data；
Step 3：Current are received with collector and flow through runoff and silt that afflux groove (14) is formed afterwards, then take out collector and compile
Number；Water and silt in collector is taken back into laboratory；
Step 4：In the lab, with balance in collector water sand samples weighing, be designated as T1, after water sand-like product are placed in baking
Case continuously dries 24 hours；After sample drying, sample is taken out from baking oven, in holding chamber, after its temperature reaches room temperature, with balance pair
Samples weighing, is designated as T2；
Step 5：Run-off and soil erosion amount are calculated, wherein, run-off=T1-T2；Soil erosion amount=T2- collector skins
Weight；
Step 6：By changing run-off, repeating 2,3 steps can simulate the soil erosion that different brackets stalk is flowed down.
2. a kind of plant haulm flow field simulation experimental provision, it is characterised in that：The experimental provision includes water supply subsystem (4), water
Regulation subsystem (15) and stalk stream soil erosion simulation subsystem (16)；
The water supply subsystem (4) is provided with water pump (2)；
The runoff investigation subsystem (15) includes linker (5), and the linker (5) includes small one and large one two buckets, keg
Be placed in drum, keg be provided with one water is flowed to drum therefrom in delivery port (4)；
The stalk stream soil erosion simulation subsystem (16) includes cane flow field simulation device (9), the bottom of cane flow field simulation device (9)
A piece waddy (20) is connected by nail (10), in the bottom insertion soil erosion groove of waddy (20), the soil erosion groove is
The U-type groove (12) set on the soil domatic (13) of simulation, is provided with for collecting water sand-like product in U-type groove (12) bottom
Afflux groove (14).
3. plant haulm flow field simulation experimental provision according to claim 2, it is characterised in that：The water pump (2) is by supplying
Water pipe (19) accesses runoff investigation subsystem (15), and the bottom of feed pipe (19) is located at the linker of runoff investigation subsystem (15)
(5) on the keg in.
4. plant haulm flow field simulation experimental provision according to claim 2, it is characterised in that：In linker (5), keg
Top is less than the top of drum, and the bucket bottom of keg is hanging in drum；Linker (5) by two outside water deliverys of tap, on
Keg is fixedly connected on the side inwall of drum and connects keg and footpath flow tube (17) by portion's tap, and bottom tap is located at small
Side under the bucket of bucket, connects drum and return duct (18).
5. plant haulm flow field simulation experimental provision according to claim 4, it is characterised in that：Set on the footpath flow tube (17)
There are regulating valve (7) and flowmeter (8).
6. plant haulm flow field simulation experimental provision according to claim 4, it is characterised in that：The end of the return duct (18)
End is connected back in water supply subsystem (3).
7. plant haulm flow field simulation experimental provision according to claim 2, it is characterised in that：On the top of the waddy (20)
End, installs a footpath stream controller (11), and footpath stream controller (11) is for the water that runoff investigation subsystem (15) flows out to be caused
Producing stalk stream on waddy (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611038997.5A CN106769576B (en) | 2016-11-24 | 2016-11-24 | Method and device for simulating crop stalk flow soil erosion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611038997.5A CN106769576B (en) | 2016-11-24 | 2016-11-24 | Method and device for simulating crop stalk flow soil erosion |
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| Publication Number | Publication Date |
|---|---|
| CN106769576A true CN106769576A (en) | 2017-05-31 |
| CN106769576B CN106769576B (en) | 2023-07-07 |
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ID=58975019
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611038997.5A Active CN106769576B (en) | 2016-11-24 | 2016-11-24 | Method and device for simulating crop stalk flow soil erosion |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109459293A (en) * | 2019-01-16 | 2019-03-12 | 山东农业大学 | A kind of corn stem bleeding liquor collecting device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109459293A (en) * | 2019-01-16 | 2019-03-12 | 山东农业大学 | A kind of corn stem bleeding liquor collecting device |
| CN109459293B (en) * | 2019-01-16 | 2023-09-26 | 山东农业大学 | Corn stalk hurts liquid collection device that flows |
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