CN111781025A - Automatic stirring and sampling device for runoff sediment of flow collecting barrel in slope runoff plot - Google Patents
Automatic stirring and sampling device for runoff sediment of flow collecting barrel in slope runoff plot Download PDFInfo
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- CN111781025A CN111781025A CN202010782802.8A CN202010782802A CN111781025A CN 111781025 A CN111781025 A CN 111781025A CN 202010782802 A CN202010782802 A CN 202010782802A CN 111781025 A CN111781025 A CN 111781025A
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- 238000003756 stirring Methods 0.000 title claims abstract description 123
- 238000005070 sampling Methods 0.000 title claims abstract description 87
- 239000013049 sediment Substances 0.000 title claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 49
- 230000002572 peristaltic effect Effects 0.000 claims description 16
- 229910001220 stainless steel Inorganic materials 0.000 claims description 15
- 239000010935 stainless steel Substances 0.000 claims description 15
- 238000000605 extraction Methods 0.000 claims description 9
- 239000004973 liquid crystal related substance Substances 0.000 claims description 6
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 4
- 238000005259 measurement Methods 0.000 abstract description 3
- 238000011010 flushing procedure Methods 0.000 description 11
- 238000004140 cleaning Methods 0.000 description 7
- 238000005086 pumping Methods 0.000 description 6
- 239000004576 sand Substances 0.000 description 6
- 238000002156 mixing Methods 0.000 description 5
- 230000006870 function Effects 0.000 description 4
- 239000002689 soil Substances 0.000 description 4
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 239000000284 extract Substances 0.000 description 3
- 210000004556 brain Anatomy 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000011155 quantitative monitoring Methods 0.000 description 1
- 238000004162 soil erosion Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/34—Purifying; Cleaning
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/38—Diluting, dispersing or mixing samples
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- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses an automatic stirring and sampling device for runoff sediment of a flow collecting bucket in a slope runoff plot, which mainly comprises a stirring system, a sampling system and a control system; the method is characterized in that: the stirring system can be arranged on collecting barrels with different specifications, the control system comprises a controller and a power supply system, the controller is connected with the power supply system through a signal line, and the power supply system is connected with the stirring system and the sampling system through a power line. The invention has the advantages that: the utility model provides an automatic sampling device that stirs of domatic runoff district mass flow bucket runoff silt, full-automatic sampling uses manpower and materials sparingly, shortens the sample time, and the sampling process templating reduces artificial sampling error, and the sample representativeness improves, has improved sample measurement accuracy greatly.
Description
Technical Field
The invention belongs to the field of water and soil conservation, and relates to a field slope runoff sampling device, in particular to an automatic stirring and sampling device for slope runoff sediment in a flow collection bucket of a slope runoff plot.
Background
The quantitative monitoring of water and soil loss can provide basic data for scientific research, prediction and forecast of water and soil loss and provide scientific basis for prevention and treatment of water and soil loss. The sand content observation is the most important index for runoff plot monitoring, and is the key to accurately obtain the soil erosion amount. At present, runoff sediment monitoring in a runoff plot still collects runoff sediment in a multi-stage flow dividing mode of a flow collecting barrel, and the sediment content in the flow collecting barrel is manually sampled and measured. The common method for sampling and measuring the sand content in the collecting barrel is manual stirring sampling and measuring, wherein the manual stirring sampling is to uniformly stir the sand-containing water body in the collecting barrel (pool) by manpower, and take out a muddy water sample with a certain volume from the barrel while stirring. In the areas with low sand content, the relative error of the manual stirring method is 30 to 50 percent; in areas with high sand content, the average relative error of the manual stirring method even reaches 83.05 percent.
The manual sampling in the past has the following disadvantages: 1. consumes a great deal of manpower and is slow to sample. 2. The sampling time cannot be precisely controlled and cannot be better scheduled in continuous rainfall. 3. Because the manual stirring sampling has large human error, large random error and low measurement precision. The present technique overcomes the above-mentioned deficiencies.
Disclosure of Invention
The invention aims to provide an automatic stirring and sampling device for runoff silt of a flow collecting barrel in a slope runoff plot, which can automatically sample under the manual operation in the field and can save manpower; the sampling time can be accurately controlled and reduced, and the sampling error is reduced.
The technical scheme adopted by the invention is as follows: an automatic stirring and sampling device for runoff sediment of a flow collecting barrel in a slope runoff plot mainly comprises a stirring system, a sampling system and a control system; the method is characterized in that: the stirring system can be arranged on collecting barrels with different specifications, the control system comprises a controller and a power supply system, the controller controls the power supply system through a signal line, and the power supply system is connected with the stirring system and the sampling system through a power line.
Furthermore, the stirring system mainly comprises a movable support and a stirring device, wherein the stirring device comprises a stirring motor and a flow collecting barrel stirring paddle, the movable support can be arranged on the flow collecting barrel in an installing mode and can be detached to adjust the size so as to adapt to flow collecting barrels with different diameters, the stirring motor is fixed in the middle of the movable support, and the lower end of the stirring motor is connected with the flow collecting barrel stirring paddle.
Furthermore, the movable support is a telescopic rectangular stainless steel plate, and two ends of the movable support are provided with grabs which can be buckled on the collecting barrel to ensure that the support is fixed; the center of the movable support is provided with a hole for fixing the stirring motor, and one side of the movable support is provided with a water taking hole.
Furthermore, the sampling system is composed of a first sampling device, a stirring barrel stirrer and a second sampling device.
Furthermore, the first sampling device consists of a water taking pipe, a flow guide pipe, a water pump and a stirring barrel, wherein the water taking pipe is arranged on a water taking hole of the movable support; the upper end of the water taking pipe is connected with a flow guide pipe and a water pump; the agitator divide into about two parts, and upper portion is transparent cylindric structure, and lower part is the stainless steel funnel, and the bottom is for being equipped with automatically controlled ball valve, and the top is the transparent dome of foraminiferous ya keli material. Wherein the intake pipe is the PVC pipe, and stability is good, does not receive stirring rivers to influence, extracts the agitator with runoff silt from the collecting tank through the suction pump in, the transparent cylindric structural material in agitator upper portion is radius 30 cm's ya keli material cylinder, and lower part stainless steel funnel polishes smoothly.
Further, the agitator of the stirring barrel is a belt type agitator and comprises a small motor, a belt, a wheel shaft and a stirring paddle, the wheel shaft is arranged at the top of the center of the stirring barrel and connected with the stirring paddle, the stirring paddle extends into the stirring barrel, the small motor is located at the edge of the stirring barrel cover and connected with the wheel shaft and the small motor, and the small motor is connected with a power supply system. The small-sized motor rotates to drive the belt through friction force, so that the wheel shaft and the stirring paddle rotate.
Furthermore, the second sampling device comprises honeycomb duct, extraction peristaltic pump, constant volume bucket, and the agitator is connected to honeycomb duct one end, and the honeycomb duct other end and constant volume bucket are equipped with the extraction peristaltic pump in the middle of the honeycomb duct. The sand-containing water is pumped into the constant volume barrel from the stirring barrel by the pumping peristaltic pump.
Further, the constant volume bucket divide into about two parts, and the upper portion is the transparent cylindric structure that has the capacity scale, and lower part is the stainless steel funnel, and automatically controlled ball valve is equipped with to the bottom, and the top is foraminiferous transparent dome of ya keli material. The transparent cylindrical structural material at the upper part of the volume-fixing barrel is an acrylic cylinder, and the stainless steel funnel at the lower part is polished smoothly; the water sample with a fixed volume is extracted by the running extraction time of the peristaltic pump; after the constant volume, the electric control ball valve is opened to discharge water into the sampling box.
Furthermore, the power supply system is arranged at the bottom of the sampling system, consists of a storage battery and a power switch, is connected with the stirring system and the sampling system, and controls the total power switch.
Furthermore, the controller is connected with the power supply system through a signal line, and the working time of each device is controlled by controlling the power supply time of each device; the controller consists of a microprocessor, a memory, a relay control circuit and a touch screen liquid crystal.
The stirring motor is 12V60W and comprises a 240-rotation speed reducer.
The water pump is a 12V 120W impeller centrifugal pump.
The peristaltic pump was 12V 10W, sw3n40, 580ml/min.
The small-sized motor is an optical axis motor with 12V 5W3500 turns.
The stirring barrel electric control ball valve adopts a DN25,12V electric control ball valve, and the constant volume barrel electric control ball valve adopts a DN15, 12V electric control ball valve.
The microprocessor is the brain of the controller, plays the role of commanding, and has the main functions of:
1. the start time and the running time of each relay are set, and a sampling scheme and a cleaning scheme are set.
2. And operating the scheme set by the user to enable the relays to work and finish sampling and cleaning.
The memory can store a sampling and flushing protocol set by the user to be completed.
The relay control circuit and the controller realize the opening and the stopping of the water pumping, stirring and water discharging electric control ball valve through the relay control circuit and the relay.
The controller has an editing function, can set a working process and realize block management so as to meet the requirements of various working modes. After the working template is set in advance, the operation is simple and convenient, and the operation is stable.
The invention has the advantages that: an automatic stirring and sampling device for runoff sediment in a flow collecting barrel of a slope runoff plot.
1. Full-automatic sampling, manpower and material resources are saved, and sampling time is shortened
2. The sampling time is fixed, and the sampling time arrangement in continuous rainfall is facilitated.
3. The sampling process is templated, the artificial sampling error is reduced, the sample representativeness is improved, and the sampling measurement precision is improved.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the stirring system of the present invention.
FIG. 3 is a schematic diagram of a sampling system and a control system according to the present invention.
FIG. 4 is a detailed view of the sampling system of the present invention.
FIG. 5 is a schematic diagram of the control system of the present invention.
In the figure, a stirring system 1, a sampling system 2, a control system 3, a collecting barrel 4, a controller 5, a power supply system 6, a signal line 7, a power line 8, a movable support 9, a stirring motor 10, a collecting barrel stirring paddle 11, a grapple 12, a water taking hole 13, a water taking pipe 14, a flow guide pipe 15, a water suction pump 16, a stirring barrel 17, a transparent cylindrical structure 18, a stainless steel funnel 19, a stirring barrel electric control ball valve 20, a transparent round cover 21, a small motor 22, a belt 23, a wheel shaft 24, a stirring paddle 25, an extraction peristaltic pump 26, a constant volume barrel 27, a microprocessor 28, a memory 29, a relay control circuit 30, a touch screen liquid crystal 31, a power supply 32, a switch 33 and a constant volume barrel electric control ball valve 34.
Detailed Description
The invention relates to an automatic stirring and sampling device for runoff sediment of a flow collecting bucket of a slope runoff plot, which mainly comprises a stirring system 1, a sampling system 2 and a control system 3; the method is characterized in that: stirring system 1 can install on the collecting vat 4 of different specifications, and control system 3 includes controller 5 and electrical power generating system 6, and electrical power generating system 6 is connected through signal line 7 to controller 5, and electrical power generating system 6 is connected with stirring system 1, sampling system 2 through power cord 8.
Wherein, mixing system 1 mainly comprises movable support 9 and agitating unit, and wherein agitating unit includes agitator motor 10 and collecting tank stirring rake 11, and movable support 9 can set up on collecting tank 4, and agitator motor 10 is fixed to movable support 9 intermediate position, and agitator motor 10 lower extreme is connected collecting tank stirring rake 11.
The movable support 9 is a telescopic rectangular stainless steel plate, the two ends of the movable support 9 are provided with the grapples 12, and the grapples 12 can be buckled on the collecting barrel 4 to ensure that the support is fixed; the center of the movable support 9 is provided with a hole for fixing the stirring motor 11, and one side of the movable support is provided with a water taking hole 13.
Wherein, sampling system 2 comprises first sampling device, agitator and second sampling device.
The first sampling device consists of a water taking pipe 14, a draft tube 15, a water pump 16 and a stirring barrel 17, wherein the water taking pipe 14 is arranged on a water taking hole 13 of the movable support 9; the upper end of the water taking pipe 14 is connected with a draft tube 15 and a water pump 16, and the draft tube 15 is connected with the upper part of a stirring barrel 17; the mixing tank 17 is divided into an upper part and a lower part, the upper part is a transparent cylindrical structure 18, the lower part is a stainless steel funnel 19, the bottom is provided with a mixing tank electric control ball valve 20, and the top is a porous transparent round cover 21 made of acrylic materials. Wherein the intake pipe is the PVC pipe, and stability is good, does not receive stirring rivers to influence, extracts the agitator with runoff silt from the collecting tank through the suction pump in, the transparent cylindric structural material in agitator upper portion is radius 30 cm's ya keli material cylinder, and lower part stainless steel funnel polishes smoothly.
The stirring barrel stirrer is a belt stirrer and consists of a small motor 22, a belt 23, a wheel shaft 24 and a stirring paddle 25, the wheel shaft 24 is arranged at the top of the center of the stirring barrel 17, the wheel shaft 24 is connected with the stirring paddle 25, the stirring paddle 25 extends into the stirring barrel 17, the small motor 22 is positioned at the edge of the cover of the stirring barrel 17, the belt 23 is connected with the wheel shaft 24 and the small motor 22, and the small motor 22 is connected with a power supply system; the rotation of the small motor 22 drives the belt 23 by friction, which rotates the axle 24 and the paddle 25.
The second sampling device is composed of a guide pipe 15, an extraction peristaltic pump 26 and a constant volume barrel 27, one end of the guide pipe 15 is connected with the stirring barrel 17, the other end of the guide pipe 15 is connected with the constant volume barrel 27, and the extraction peristaltic pump 26 is arranged in the middle of the guide pipe 15. And pumping the runoff sediment from the stirring barrel to the fixed-volume barrel by the pumping peristaltic pump.
Wherein, decide two parts about the appearance bucket divide into, the upper portion is the transparent cylindric structure that has the capacity scale, and lower part is the stainless steel funnel, and constant volume bucket automatically controlled ball valve 34 is equipped with to the bottom, and the top is foraminiferous transparent dome of ya keli material. The transparent cylindrical structural material at the upper part of the volume-fixing barrel is an acrylic cylinder, and the stainless steel funnel at the lower part is polished smoothly; the water sample with a fixed volume is extracted by the running extraction time of the peristaltic pump; after the constant volume, the electric control ball valve is opened to discharge water into the sampling box.
The power supply system is arranged at the bottom of the sampling system, consists of a power supply 32 and a switch 33, is connected with the stirring system and the sampling system, and controls the total power supply switch.
The controller is connected with the power supply system through a signal wire, and the working time of each device is controlled by controlling the power supply time of each device; the controller consists of a microprocessor 28, a memory 29, a relay control circuit 30 and a touch screen liquid crystal 31.
The stirring motor is 12V60W and comprises a 240-rotation speed reducer.
The water pump is a 12V 120W impeller centrifugal pump.
The peristaltic pump was 12V 10W, sw3n40, 580ml/min.
The small-sized motor is an optical axis motor with 12V 5W3500 turns.
The microprocessor employs HC32L110C6PA of HDSC (huada).
The memory adopts a HYNIX memory.
The relay control circuit board adopts 14680 of an autumn circuit.
The touch screen liquid crystal is Rui-controlled RSL-70TP (seven inches).
The stirring barrel electric control ball valve adopts a DN25,12V electric control ball valve, and the constant volume barrel electric control ball valve adopts a DN15, 12V electric control ball valve.
The stainless steel is arranged below a stirring paddle of a collecting barrel, 2 blades are arranged, the stirring paddle of the collecting barrel is sleeved with a PVC pipe to enhance the strength of the stirring paddle of the collecting barrel, the top end of the stirring paddle is inserted with 12V60W, and a stirring motor with a 240-turn speed reducer is arranged. The length of the stirring paddle of the collecting barrel is larger than that of the water taking pipe so as to avoid contact during stirring.
The microprocessor is the brain of the controller, plays the role of commanding, and has the main functions of:
1. the start time and the running time of each relay are set, and a sampling scheme and a cleaning scheme are set.
2. And operating the scheme set by the user to enable the relays to work and finish sampling and cleaning.
The memory can store a sampling and flushing protocol set by the user to be completed.
The relay control circuit and the controller realize the starting and stopping of the water pumping, stirring and water discharging motor through the relay control circuit and the relay.
The controller has an editing function, can set a working process and realize block management so as to meet the requirements of various working modes. After the working template is set in advance, the operation is simple and convenient, and the operation is stable.
The specific working process is as follows: inputting an execution scheme: and inputting the sampling and flushing scheme into the control interior through the touch screen liquid crystal and storing the sampling and flushing scheme by a user according to the actual sampling and flushing requirements.
Executing the program: and according to the cyclic scanning sampling and flushing scheme, comparing sampling and flushing time parameters by an internal timer, and performing corresponding logic operation and output according to the sampling and flushing scheme.
And (3) controlling and outputting: the microprocessor controls the corresponding operations of water pumping, stirring, water discharging and the like through the relay control circuit and the relay.
And the user inputs and stores the sampling scheme and the flushing scheme at the controller end according to the actual sampling and flushing requirements. Setting the power switch time of each relay and storing the power switch time as a scheme, and after pressing an operation scheme key, starting each relay according to the set starting time, such as:
afflux bucket agitator motor starts, the suction pump starts behind 30s, agitator belt agitator starts, be while stirring sampling mode, afflux bucket stirring rake and suction pump bring to rest after once taking a sample is accomplished, agitator belt agitator starts still to operate, peristaltic pump operation behind 30s, with the water sample extract from the agitator to the constant volume bucket in, agitator belt agitator bring to rest after the secondary sampling is accomplished, automatically controlled ball valve is opened, accomplish the sample. Then the electric control ball valve of the mixing tank is closed, the water taking pipe is placed into clear water, the water suction pump is started to start cleaning, the belt type stirrer of the mixing tank is started, the peristaltic pump is started to firstly flush the constant volume tank, and the peristaltic pump and the electric control ball valve of the constant volume tank are successively closed after flushing is finished. And then opening the electric control ball valve of the stirring barrel to complete the cleaning of the stirring barrel, and closing the water suction pump and the electric control ball valve of the stirring barrel after the cleaning is completed.
Claims (10)
1. An automatic stirring and sampling device for runoff sediment of a flow collecting barrel in a slope runoff plot mainly comprises a stirring system, a sampling system and a control system; the method is characterized in that: the stirring system can be arranged on collecting barrels with different specifications, the control system comprises a controller and a power supply system, the controller is connected with the power supply system through a signal line, and the power supply system is connected with the stirring system and the sampling system through a power line.
2. The automatic stirring and sampling device for runoff sediment in the flow collecting bucket of the slope runoff community according to claim 1, which is characterized in that: the stirring system mainly comprises a movable support and a stirring device, wherein the stirring device comprises a stirring motor and a collecting barrel stirring paddle, the movable support can be arranged on the collecting barrel in an installing mode, the stirring motor is fixed in the middle of the movable support, and the lower end of the stirring motor is connected with the collecting barrel stirring paddle.
3. The automatic stirring and sampling device for runoff sediment in the flow collecting bucket of the slope runoff community according to claim 2, which is characterized in that: the movable support is a telescopic rectangular stainless steel plate, and the two ends of the movable support are provided with grabs which can be buckled on the flow collecting barrel to ensure the support to be fixed; the center of the movable support is provided with a hole for fixing the stirring motor, and one side of the movable support is provided with a water taking hole.
4. The automatic stirring and sampling device for runoff sediment in the flow collecting bucket of the slope runoff community according to claim 1, which is characterized in that: the sampling system is composed of a first sampling device, a stirring barrel stirrer and a second sampling device.
5. The automatic stirring and sampling device of slope runoff plot collection bucket runoff sediment of claim 4, characterized in that: the first sampling device consists of a water taking pipe, a flow guide pipe, a water suction pump and a stirring barrel, wherein the water taking pipe is arranged on a water taking hole of the movable support, and the upper end of the water taking pipe is connected with the water suction pump after being connected with the flow guide pipe; the guide pipe is connected with the upper part of the stirring barrel; the agitator divide into about two parts, and upper portion is transparent cylindric structure, and lower part is the stainless steel funnel, and the bottom is for being equipped with automatically controlled ball valve, and the top is the transparent dome of foraminiferous ya keli material.
6. The automatic stirring and sampling device of slope runoff plot collection bucket runoff sediment of claim 4, characterized in that: the stirring barrel stirrer is a belt type stirrer and consists of a small motor, a belt, a wheel shaft and a stirring paddle, the wheel shaft is arranged at the top of the center of the stirring barrel and is connected with the stirring paddle, the stirring paddle extends into the stirring barrel, the small motor is positioned at the edge of the stirring barrel cover, the belt is connected with the wheel shaft and the small motor, and the small motor is connected with a power supply system; the small-sized motor rotates to drive the belt through friction force, so that the wheel shaft and the stirring paddle rotate.
7. The automatic stirring and sampling device of slope runoff plot collection bucket runoff sediment of claim 4, characterized in that: the second sampling device is composed of a flow guide pipe, an extraction peristaltic pump and a constant volume barrel, wherein one end of the flow guide pipe is connected with the stirring barrel, the other end of the flow guide pipe is connected with the constant volume barrel, and the extraction peristaltic pump is arranged in the middle of the flow guide pipe.
8. The automatic stirring and sampling device of slope runoff plot collection bucket runoff sediment of claim 7, characterized in that: the containing barrel is divided into an upper part and a lower part, the upper part is a transparent cylindrical structure with capacity scales, the lower part is a stainless steel funnel, the bottom of the containing barrel is provided with an electric control ball valve, and the top of the containing barrel is a porous transparent round cover made of acrylic materials.
9. The automatic stirring and sampling device for runoff sediment of the collecting barrel of the slope runoff community according to any one of the claims 1 to 8, which is characterized in that:
the power supply system is arranged at the bottom of the sampling system, consists of a storage battery and a power switch and controls the total power switch.
10. The automatic stirring and sampling device for runoff sediment in the flow collecting bucket of the slope runoff community according to claim 1, which is characterized in that: the controller controls the working time of each device by controlling the power supply time of each device; the controller consists of a microprocessor, a memory, a relay control circuit and a touch screen liquid crystal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010782802.8A CN111781025A (en) | 2020-08-06 | 2020-08-06 | Automatic stirring and sampling device for runoff sediment of flow collecting barrel in slope runoff plot |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010782802.8A CN111781025A (en) | 2020-08-06 | 2020-08-06 | Automatic stirring and sampling device for runoff sediment of flow collecting barrel in slope runoff plot |
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| CN111781025A true CN111781025A (en) | 2020-10-16 |
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| CN202010782802.8A Pending CN111781025A (en) | 2020-08-06 | 2020-08-06 | Automatic stirring and sampling device for runoff sediment of flow collecting barrel in slope runoff plot |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115791309A (en) * | 2022-12-08 | 2023-03-14 | 江西省水利科学院 | Portable automatic sampling and monitoring device for runoff sediment in slope runoff plot |
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| CN212513815U (en) * | 2020-08-06 | 2021-02-09 | 江西省水土保持科学研究院 | Automatic stirring and sampling device for runoff sediment of flow collecting barrel in slope runoff plot |
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| CN2548152Y (en) * | 2002-06-26 | 2003-04-30 | 中国农业大学 | Continuous sampling device for measuring radial-flow sediment content |
| CN103983479A (en) * | 2014-05-30 | 2014-08-13 | 福建农林大学 | Drawer type portable slope runoff sampler and sampling method thereof |
| EP3248944A1 (en) * | 2016-05-24 | 2017-11-29 | Cooperativa Edile Appennino Societa' Cooperativa a Responsabilita' Limitata | Monitoring and management station for runoff water |
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| CN115791309A (en) * | 2022-12-08 | 2023-03-14 | 江西省水利科学院 | Portable automatic sampling and monitoring device for runoff sediment in slope runoff plot |
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