CN205898443U - Drip irrigation zone flow simulation monitoring testing arrangement - Google Patents
Drip irrigation zone flow simulation monitoring testing arrangement Download PDFInfo
- Publication number
- CN205898443U CN205898443U CN201620860433.9U CN201620860433U CN205898443U CN 205898443 U CN205898443 U CN 205898443U CN 201620860433 U CN201620860433 U CN 201620860433U CN 205898443 U CN205898443 U CN 205898443U
- Authority
- CN
- China
- Prior art keywords
- water
- drip irrigation
- connecting line
- irrigation pipe
- control valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model provides a drip irrigation zone flow simulation monitoring testing arrangement. This drip irrigation zone flow simulation monitoring testing arrangement includes: former pond, filtration water tank, the first end of first connecting line is connected with first water pump and lies in the raw water pond, and the second end of first connecting line is connected a water filter and is lain in filtration water tank, drip irrigation pipe racks portion, the end connection of second connecting line has the second water pump and lies in filtration water tank, is provided with on the second connecting line to be used for control to driping irrigation the control flap that pipe racks portion carried the flow, in the second end of driping irrigation pipe racks portion is connected to the silt sedimentation tank, drips irrigation in the pipe racks portion every and drips irrigation and all install a plurality of water droppers, water collecting assembly, water collecting assembly are located the below of at least one water dropper to collect the water yield of water dropper drippage. Use the technical scheme of the utility model it lacks representatively and can not comprehensively show the problem of the irrigation ability of drip irrigation zone to have solved the data that testing arrangement goes on testing to the drip irrigation zone among the prior art.
Description
Technical field
This utility model is related to agricultural irrigation technology, in particular it relates to a kind of drip irrigation zone flow simulation monitoring and test
Device.
Background technology
California, USA irrigation technique institute, South Africa agriculture project institute and Israel's netafim Modern Agriculture
The performance list of many irrigation research douche hydraulic performance test platforms of micro-irrigation equipment company utility model in one's power such as industry company
One, the test platform of these mechanisms design lacks comprehensive, its standard also disunity, only rests on test this single order of hydraulic performance
Section.
Domestic Li Guangyong etc. (patent No.: 03208689.x) and Li Yunkai etc. (patent No.: cn 102288396 a) comprehensive
Close test device, test device that they are all based on douche blocking and arrange is it is achieved that hydraulic performance and anti-clogging
Integration test.But, the intelligence degree of the test device of the utility model such as Li Guangyong is not high, and cost is higher；Li Yunkai etc.
The intelligence degree of the test device of utility model is higher, and measuring accuracy is also higher, but the structure of this device is more complicated, once surveys
Examination drip irrigation zone limitednumber, experiment repeat very little, and test drip irrigation strip length do not have simulate land for growing field crops actual arrangement long
Degree, meanwhile, these test devices can't be rinsed to drip irrigation zone after testing.
Therefore, the data deficiency that above test device is tested for drip irrigation zone is representative, thus can not comprehensive earth's surface
The irrigation ability of existing drip irrigation zone.
Utility model content
The purpose of this utility model is to provide a kind of drip irrigation zone flow simulation monitoring and test device it is intended to solve existing skill
The data deficiency that in art, test device is tested for drip irrigation zone is representative and can not synthetically show the irrigation energy of drip irrigation zone
The problem of power.
For solving above-mentioned technical problem, the technical solution of the utility model is: provides a kind of flow simulation monitoring of drip irrigation zone
Test device, comprising: former pond；Filtered water reservoir, filtered water reservoir is connected by the first connecting line with former pond, the first connection
The first end of pipeline is connected with the first water pump and is located in former pond, and the second end of the first connecting line connects the first water filter
With the water after filtering to filtered water reservoir input；Drip irrigation pipe belt portion, the first end in drip irrigation pipe belt portion passes through the second connecting line and mistake
Filter is connected, and the end of the second connecting line is connected with the second water pump and is located in filtered water reservoir, on the second connecting line
It is provided with for controlling the first control valve to drip irrigation pipe belt portion feed flow, second end in drip irrigation pipe belt portion connects to silt
In sedimentation tank, every drip irrigation in drip irrigation pipe belt portion is mounted on multiple water droppers；Collection water assembly, collection water assembly is located at least one
The lower section of water dropper, to collect the water yield of water dropper drippage.
Alternatively, the first connecting line is connected with the 3rd connecting line, the open end of the 3rd connecting line is located at raw water
In pond, the 3rd connecting line is provided with the second control valve, first between the 3rd connecting line and the first water filter is even
Adapter is provided with the 3rd control valve on road.
Alternatively, second connecting line in the downstream of the first control valve is connected with the 4th connecting line, the 4th connection
The open end of pipeline is located in filtered water reservoir, and the 4th connecting line is provided with the 4th control valve.
Alternatively, drip irrigation pipe belt portion includes tap, and the entrance of tap is connected with the second connecting line, shunting
Joint has multiple shunt pipes, and each shunt pipe is disposed with the 5th control valve, the second water mistake along water (flow) direction
Filter, first pressure table and first-class scale.
Alternatively, each shunt pipe is communicated with many drip irrigation pipe, and the two ends of every drip irrigation pipe are respectively arranged with the 6th control
Valve processed, equally spacedly has multiple water droppers between two the 6th control valves.
Alternatively, every drip irrigation pipe is equally spacedly provided with the bracing frame for supporting drip irrigation pipe, bracing frame is placed
There is the grid tray for support drip irrigation pipe.
Alternatively, it is placed with a collection water assembly between the two neighboring bracing frame in same drip irrigation pipe, and group of catchmenting
Part catches the water of three water dropper drippages.
Alternatively, collection water assembly includes measuring cup and collection hyponome, and collection hyponome catches the water of three water droppers drippage and by water
Pour in measuring cup.
Alternatively, drip irrigation pipe belt portion includes the joint that confluxes, and the joint that confluxes has multiple arms that conflux, and each confluxes on arm
It is provided with the 7th control valve, the upstream end of the 7th control valve is provided with and confluxes the second of arm internal water pressure for measuring this
Pressure gauge, multiple drip irrigation pipe that each arm that confluxes is connected with each shunt pipe corresponding are connected, the outlet of the joint that confluxes
The end of pipe is located in silt sedimentation basin.
Alternatively, conflux joint outlet on be provided with the 8th control valve and second scale.
In this utility model, the high water of silt content in former pond is filtered by the first water filter, after then filtering
The dependence test of the performance of anti-blockage carrying out drip irrigation in drip irrigation pipe belt portion and toxicity bioassay mechanism delivered to by the low water pump of silt content, and
Water water dropper being dripped by collecting water assembly is collected, thus calculating each water dropper flow velocity now, is thinking drip irrigation pipe
Before the water containing sand for portion's input, input in drip irrigation pipe belt portion, the flow of water dropper to be carried out calculating first with pure clear water and survey
Amount.Then arsenicbearing gold ores flow and the clear water flow of water dropper are compared, thus obtaining performance of anti-blockage and the test of toxicity bioassay mechanism
Data, can preferably represent the irrigation ability in drip irrigation pipe belt portion using this test data.
Brief description
Fig. 1 is the structural representation of the embodiment of drip irrigation zone of the present utility model flow simulation monitoring and test device.
Specific embodiment
In order that the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with accompanying drawing and enforcement
Example, is further elaborated to this utility model.It should be appreciated that specific embodiment described herein is only in order to explain
This utility model, is not used to limit this utility model.
It should be noted that when element is referred to as " being fixed on " or " being arranged at " another element, it can be directly another
On one element or be connected on this another element.When an element is referred to as " being connected to " another element, it is permissible
It is directly to another element or be indirectly connected on this another element.
Also, it should be noted the orientation term such as left and right, upper and lower in the present embodiment, be only each other relative concept or
With the normal operating condition of product as reference, and should not be regarded as restrictive.
As shown in figure 1, the drip irrigation zone flow simulation monitoring and test device of the present embodiment includes former pond 10, filtered water reservoir
20th, drip irrigation pipe belt portion 30 and collection water assembly 50, filtered water reservoir 20 is connected by the first connecting line 101 with former pond 10, the
The first end of one connecting line 101 is connected with the first water pump and is located in former pond 10, and the second end of the first connecting line 101 is even
Connect the first water filter 21 with the water after filtering to filtered water reservoir 20 input, the first end in drip irrigation pipe belt portion 30 is passed through second and connected
Pipeline 102 is connected with filtered water reservoir 20, and the end of the second connecting line 102 is connected with the second water pump and is located at filtered water reservoir 20
Interior, the second connecting line 102 is provided with for controlling the first control valve 41 to drip irrigation pipe belt portion 30 feed flow, drip irrigation
Second end in pipe racks portion 30 connects to silt sedimentation basin, and every drip irrigation in drip irrigation pipe belt portion 30 is mounted on multiple water droppers,
Collection water assembly 50 is located at the lower section of at least one water dropper, to collect the water yield of water dropper drippage.
The high water of silt content in former pond 10 is filtered by the first water filter 21, after then filtering, silt content is low
The dependence test of the performance of anti-blockage carrying out drip irrigation in drip irrigation pipe belt portion 30 and toxicity bioassay mechanism delivered to by water pump, and by catchmenting
The water that assembly 50 drips to water dropper is collected, thus calculating each water dropper flow velocity now, is thinking drip irrigation pipe belt portion 30
Before input is containing husky water, inputs in drip irrigation pipe belt portion 30, the flow of water dropper to be carried out calculating first with pure clear water and survey
Amount.Then arsenicbearing gold ores flow and the clear water flow of water dropper are compared, thus obtaining performance of anti-blockage and the test of toxicity bioassay mechanism
Data, can preferably represent the irrigation ability in drip irrigation pipe belt portion 30 using this test data.
In the present embodiment, the first connecting line 101 is connected with the 3rd connecting line 103, the 3rd connecting line 103
Open end is located in former pond 10, and the 3rd connecting line 103 is provided with the second control valve 42, the 3rd connecting line 103 with
It is provided with the 3rd control valve 43 on the first connecting line 101 between first water filter 21.When being delivered to using arsenicbearing gold ores
During drip irrigation pipe belt portion 30, the second control valve 42 is opened, is flushed in former pond 10 using the water in the 3rd connecting line 103
Water is so that the silt content of arsenicbearing gold ores in former pond 10 remains uniform, thus order is delivered to the water in drip irrigation pipe belt portion 30
Silt content consistent all the time, thus test obtaining the test data with faithful representation.
4th connecting line 104, the 4th connection are connected with second connecting line 102 in the downstream of the first control valve 41
The open end of pipeline 104 is located in filtered water reservoir 20, and the 4th connecting line 104 is provided with the 4th control valve 44.Although former
Water after the higher water of silt content is filtered by the first water filter 21 in pond 10 conveys after filtered water reservoir 20 stores again
To drip irrigation pipe belt portion 30, now the water in filtered water reservoir 20 yet can have certain silt content, in order to convey into drip irrigation pipe
The silt content of the water with portion 30 keeps uniformly, therefore opening the 4th control valve 44, being the water pair in the 4th connecting line 104
Water in filtered water reservoir 20 is flushed, thus keeping the silt content of the water in filtered water reservoir 20 to keep uniformly.
As shown in figure 1, the drip irrigation pipe belt portion 30 of the present embodiment includes tap 31, the entrance of tap 31 and second
Connecting line 102 is connected, and tap 31 has multiple shunt pipes 61, on each shunt pipe 61 along water (flow) direction successively
It is provided with the 5th control valve 45, the second water filter 62, first pressure table 63 and first-class scale 64.By measuring each point
Discharge on stream arm 61, water pressure, thus combine drip irrigation pipe belt portion 30 to test the dripping end flow of gained such that it is able to have more
Typically represent performance of anti-blockage and the toxicity bioassay mechanism of drip irrigation pipe.As shown in figure 1, each shunt pipe 61 be communicated with many
Root drip irrigation pipe 32, specifically each shunt pipe 61 be communicated with 3 drip irrigation pipe 32, the two ends of every drip irrigation pipe 32 are respectively arranged with
6th control valve 46, equally spacedly has multiple water droppers between two the 6th control valves 46.
Bracing frame 33 for supporting drip irrigation pipe 32 is equally spacedly provided with every drip irrigation pipe 32, bracing frame 33 is placed
There is the grid tray 34 for support drip irrigation pipe 32.Grid tray 34 is except having the effect of stable drip irrigation pipe 32 additionally it is possible to make
Water dropper in drip irrigation pipe 32 avoids causing the dripping changing of volume production of the water dropper tested to be forbidden because of wind-force factor as far as possible.
In this application, it is placed with a collection water assembly between the two neighboring bracing frame 33 in same drip irrigation pipe 32
50, and collect the water that water assembly 50 catches three water dropper drippages.Specifically, collection water assembly 50 includes measuring cup 51 and collection hyponome 52,
Collection hyponome 52 is caught the water of three water dropper drippages and is poured water in measuring cup 51 into.(bore is about the bore of collection hyponome 52
90cm) can continuously collect the amount of dripping of 3 water droppers.
Preferably, drip irrigation pipe belt portion 30 includes the joint 71 that confluxes, and the joint 71 that confluxes has multiple arms 72 that conflux, each remittance
It is provided with the 7th control valve 47, the upstream end of the 7th control valve 47 is provided with for measuring this arm that confluxes on stream arm 72
The second pressure table 73 of 72 internal water pressures, each multiple drip irrigation pipe that arm 72 is connected with each shunt pipe 61 corresponding of confluxing
32 are connected, and the end of the outlet of the joint 71 that confluxes is located in silt sedimentation basin, and the outlet of the joint 71 that confluxes is provided with
8th control valve 48 and second scale 74.During flow relocity calculation test is carried out to water dropper, will be close to the joint that confluxes
The 6th control valve 46 at 71 outlet is closed；After the flow relocity calculation that drips to water dropper is completed, will be close to converge
The 6th control valve 46 at the outlet of stream joint 71 is fully open, using current to the drip irrigation pipe 32 in drip irrigation pipe belt portion 30
It is rinsed, the sand in drip irrigation pipe 32 is developed, and imports in silt sedimentation basin, and recorded using second scale 74
The flow now rinsing.
After drip irrigation pipe 32 is rinsed finishing, close the 8th control valve 48, and by the first water pump and the second water pump
Close, and the first control valve 41, the second control valve 42, the 3rd control valve 43, the 4th control valve the 44, the 5th are controlled
Valve 45 processed, the 6th control valve 46 and the 7th control valve 47 are closed in the lump.
Before the water of high sediment concentration being tested using this test device, first have to measure each drip irrigation pipe 32 not
Normal flow with water dropper.It is initially charged with pure clear water in former pond 10, close the second control valve 42, the 4th control valve
44 and all 7th control valves 47, open the 3rd control valve 43, the first control valve 41, all 6th control valves 46 with
And other all control valves of the 6th control valve 46 upstream, clear water is conveyed to each drip irrigation pipe 32, control valve makes simultaneously
The reading obtaining first pressure table 63 reaches the rated operating pressure of experiment, and remains on 8h, in the 30-60min that pours water, 450-
After 480min about at the top of drip irrigation pipe 32,1/4, at 2/4, at 3/4, each position of end repeat attached to corresponding position
Near continuous 3 water droppers collect the water dropper water yield in same measuring cup 51, and water yield acquisition time is not less than 15min, calculates each
The normal flow of the water dropper that the diverse location that drip irrigation pipe is 32 goes out.
When the water to high sediment concentration is tested, former pond 10 loads high sand-carrying water, and recycling clear water measures
The step of standard flow rate, but now the second control valve 42 and the 4th control valve 44 are opened, adjust them and make the 3rd
The water of connecting line 103 flushes the water in former pond 10, makes the water in the 4th connecting line 104 flush filtered water reservoir 20 simultaneously
In water, play perturbation action, prevent sediment deposition, so that the silt content of the water in two ponds reaches balance uniformly.Flow
Collection method is tested with above-mentioned clear water, closes the second control valve 42 and the 4th control valve 44 after the completion of test, and by the 7th
Control valve 47 and the 8th control valve 48 are opened and drip irrigation pipe 32 are rinsed, and washing time is 25min, pass through first every time
The water yield that flow meter 64 record rinses, the water gone out and silt enter in silt sedimentation basin.After whole test device is completed
Static 2 celestial axis can carry out repeating water filling test under field conditions (factors).
The technical solution of the utility model solves the problems, such as that in prior art, drip irrigation pipe 32 can not be rinsed, and is a kind of structure
Simply, the anti-clogging comprehensive test platform that function is many, representativeness is strong, can be widely applied to drip emitter performance of anti-blockage
In integration test.
These are only preferred embodiment of the present utility model, not in order to limit this utility model, all in this practicality
Any modification, equivalent and improvement made within new spirit and principle etc., should be included in guarantor of the present utility model
Within the scope of shield.
Claims (10)
1. a kind of drip irrigation zone flow simulation monitoring and test device is it is characterised in that include:
Former pond (10)；
Filtered water reservoir (20), described filtered water reservoir (20) is connected by the first connecting line (101) with described former pond (10),
The first end of described first connecting line (101) is connected with the first water pump and is located in described former pond (10), and described first even
Second end of adapter road (101) connects the first water filter (21) with the water after filtering to described filtered water reservoir (20) input；
Drip irrigation pipe belt portion (30), the first end of described drip irrigation pipe belt portion (30) passes through the second connecting line (102) and described filtration
Pond (20) is connected, and the end of described second connecting line (102) is connected with the second water pump and is located at described filtered water reservoir
(20), in, described second connecting line (102) is provided with for controlling the to described drip irrigation pipe belt portion (30) feed flow
One control valve (41), the second end of described drip irrigation pipe belt portion (30) connects to silt sedimentation basin, described drip irrigation pipe belt portion
(30) every drip irrigation in is mounted on multiple water droppers；
Collection water assembly (50), described collection water assembly (50) is located at the lower section of at least one described water dropper, to collect water dropper drippage
The water yield.
2. drip irrigation zone as claimed in claim 1 flow simulation monitoring and test device is it is characterised in that described first connecting line
(101) it is connected with the 3rd connecting line (103) on, the open end of described 3rd connecting line (103) is located at described former pond
(10), in, described 3rd connecting line (103) is provided with the second control valve (42), described 3rd connecting line (103) with
It is provided with the 3rd control valve (43) on the first connecting line (101) between described first water filter (21).
3. drip irrigation zone as claimed in claim 2 flow simulation monitoring and test device is it is characterised in that described first control valve
(41) the 4th connecting line (104), described 4th connecting line (104) are connected with second connecting line (102) in downstream
Open end be located at described filtered water reservoir (20) in, described 4th connecting line (104) is provided with the 4th control valve (44).
4. drip irrigation zone as claimed in claim 1 flow simulation monitoring and test device is it is characterised in that described drip irrigation pipe belt portion
(30) include tap (31), the entrance of described tap (31) is connected with described second connecting line (102), described
Tap (31) has multiple shunt pipes (61), and each described shunt pipe (61) is disposed with along water (flow) direction
Five control valves (45), the second water filter (62), first pressure table (63) and first-class scale (64).
5. drip irrigation zone as claimed in claim 4 flow simulation monitoring and test device is it is characterised in that each described shunt pipe
(61) it is communicated with many drip irrigation pipe (32), the two ends of every described drip irrigation pipe (32) are respectively arranged with the 6th control valve (46),
Multiple water droppers are equally spacedly had between two described 6th control valves (46).
6. drip irrigation zone as claimed in claim 5 flow simulation monitoring and test device is it is characterised in that every described drip irrigation pipe
(32) equally spacedly it is provided with the bracing frame (33) for supporting described drip irrigation pipe (32) on, support frame as described above is placed with (33)
Grid tray (34) for drip irrigation pipe described in support (32).
7. drip irrigation zone as claimed in claim 6 flow simulation monitoring and test device is it is characterised in that same described drip irrigation pipe
(32) it is placed with described collection water assembly (50) between the two neighboring support frame as described above (33) on, and described collection water assembly
(50) catch the water of three water dropper drippages.
8. drip irrigation zone as claimed in claim 7 flow simulation monitoring and test device is it is characterised in that described collection water assembly (50)
Including measuring cup (51) and collection hyponome (52), described collection hyponome (52) is caught the water of three water dropper drippages and is poured water into described
In measuring cup (51).
9. drip irrigation zone as claimed in claim 5 flow simulation monitoring and test device is it is characterised in that described drip irrigation pipe belt portion
(30) include confluxing joint (71), the described joint that confluxes (71) has multiple arms that conflux (72), conflux described in each arm
(72) it is provided with the 7th control valve (47) on, the upstream end of described 7th control valve (47) is provided with and confluxes for measuring this
The second pressure table (73) of arm (72) internal water pressure, conflux described in each arm (72) and each described shunt pipe corresponding
(61) the multiple drip irrigation pipe (32) connecting are connected, and the end of the outlet of the described joint that confluxes (71) is located at silt sedimentation basin
Interior.
10. drip irrigation zone as claimed in claim 9 flow simulation monitoring and test device is it is characterised in that the described joint that confluxes
(71) the 8th control valve (48) and second scale (74) are provided with outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620860433.9U CN205898443U (en) | 2016-08-08 | 2016-08-08 | Drip irrigation zone flow simulation monitoring testing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620860433.9U CN205898443U (en) | 2016-08-08 | 2016-08-08 | Drip irrigation zone flow simulation monitoring testing arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205898443U true CN205898443U (en) | 2017-01-18 |
Family
ID=57781717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620860433.9U Expired - Fee Related CN205898443U (en) | 2016-08-08 | 2016-08-08 | Drip irrigation zone flow simulation monitoring testing arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205898443U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107907312A (en) * | 2017-07-31 | 2018-04-13 | 内蒙古自治区水利科学研究院 | A kind of method of fast slowdown monitoring trickle irrigation water adding system uniformity of irrigation water appilcation and purging method |
| CN109085005A (en) * | 2018-09-25 | 2018-12-25 | 中国农业大学 | A kind of agricultural filter performance synthesis test platform |
| CN109443821A (en) * | 2018-12-20 | 2019-03-08 | 大禹节水（天津）有限公司 | A kind of drip irrigation zone conservancy property test experience device and its detection method |
| CN111445773A (en) * | 2020-04-08 | 2020-07-24 | 中国水利水电科学研究院 | System and device for drip irrigation anti-blocking simulation of high-sand-content water source |
-
2016
- 2016-08-08 CN CN201620860433.9U patent/CN205898443U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107907312A (en) * | 2017-07-31 | 2018-04-13 | 内蒙古自治区水利科学研究院 | A kind of method of fast slowdown monitoring trickle irrigation water adding system uniformity of irrigation water appilcation and purging method |
| CN109085005A (en) * | 2018-09-25 | 2018-12-25 | 中国农业大学 | A kind of agricultural filter performance synthesis test platform |
| CN109443821A (en) * | 2018-12-20 | 2019-03-08 | 大禹节水（天津）有限公司 | A kind of drip irrigation zone conservancy property test experience device and its detection method |
| CN111445773A (en) * | 2020-04-08 | 2020-07-24 | 中国水利水电科学研究院 | System and device for drip irrigation anti-blocking simulation of high-sand-content water source |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205898443U (en) | Drip irrigation zone flow simulation monitoring testing arrangement | |
| CN102564747B (en) | Comprehensive evaluation method and test system for clogging characteristics of emitters of drip irrigation system | |
| CN207832791U (en) | Soil loss monitoring device | |
| CN207201612U (en) | A kind of irrigation and water conservancy water-saving irrigation system with real time monitoring function | |
| CN203040321U (en) | U-shaped drip irrigation device | |
| CN103149012B (en) | Experimental device and method for simulating flow characteristic of coal bed gas gathering and transportation pipeline | |
| CN109060329A (en) | The continuous fast testing system of drip irrigation system douche performance of anti-blockage and method | |
| CN206168621U (en) | Controllable raininess rainfall simulation device in field | |
| CN205910180U (en) | Artificial rainfall simulation analog system | |
| CN107843527A (en) | A kind of analogue observation device and method of rainfall on slope land deep layer Infiltration characteristics | |
| CN207081728U (en) | A kind of Soil Nitrogen circulating research device | |
| CN110199649A (en) | A kind of water-fertilizer integral automatic irrigation fertilizer apparatus | |
| CN206656945U (en) | A kind of test system for the cleaner filter efficiency for simulating vehicle-mounted operating mode | |
| CN109085005A (en) | A kind of agricultural filter performance synthesis test platform | |
| CN207937455U (en) | A kind of simulated eluviation device for measuring soil particle state content of beary metal | |
| CN107643376A (en) | It is a kind of to simulate experimental provision of the high-arsenic underground water irrigation to underground water environmental impact | |
| CN207472718U (en) | A kind of analogue observation device of rainfall on slope land deep layer Infiltration characteristics | |
| CN207163757U (en) | A kind of monitoring water quality on line pre-processes sampling system | |
| RU2331862C2 (en) | Test stand for flexible irrigation pipelines with built-in trickles | |
| CN114739648B (en) | In-situ field test platform and test method for blocking characteristics of underground drip irrigation system | |
| CN206479544U (en) | Crude oil moisture on-line analysis system | |
| CN106645636B (en) | It is a kind of for monitoring the device and test method of agricultural surface runoff | |
| CN204575378U (en) | Runoff and sediment automonitor water inlet hydrocone type regulating device | |
| CN213301641U (en) | Anti-blocking testing device for pipe network | |
| CN211426149U (en) | Device for automatically monitoring suspended load silt by displacement method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170118 Termination date: 20210808 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |