CN204027610U - A kind of Portable siphon field irrigation flow measurement device - Google Patents
A kind of Portable siphon field irrigation flow measurement device Download PDFInfo
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- CN204027610U CN204027610U CN201420478305.9U CN201420478305U CN204027610U CN 204027610 U CN204027610 U CN 204027610U CN 201420478305 U CN201420478305 U CN 201420478305U CN 204027610 U CN204027610 U CN 204027610U
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- flexible pipe
- plastic flexible
- plastic
- water
- screw propeller
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Abstract
The utility model discloses a kind of Portable siphon field irrigation flow measurement device, be provided with Double-layer water-filtering net, plastic flexible pipe, band screw propeller flow meter, water outlet hard tube; Plastic flexible pipe is crossed on field irrigation canal dike, and irrigation canal underwater is stretched in plastic flexible pipe one end, and the plastic flexible pipe other end connects plastic rigid pipe, and plastic rigid pipe end passes to farmland; The plastic flexible pipe end of stretching in irrigation canal arranges Double-layer water-filtering net, stretches out vacuum draw cylinder to be set and with the flowmeter of screw propeller on the plastic flexible pipe outside irrigation canal, with the flowmeter of screw propeller, is positioned at vacuum suction pump downstream; Double-layer water-filtering net forms drainage barrier, and plastic flexible pipe, Vacuum suction pump form inhalant region, with flowmeter and the plastic rigid pipe of screw propeller, forms pool.The utility model is energy water but also can stablize water delivery not only, and simple to operate, water gaging is accurate, is easy to safeguard.
Description
Technical field
The utility model relates to a kind of Portable siphon field irrigation flow measurement device, belongs to the special arrangement that the field irrigation water yield is distributed or field irrigation test water is measured.
Background technology
The flowmeter of allocating water in farmland irrigation system is the critical facility of allocating water in farmland irrigation, and scientific consumption of water management, water rate that the degree of accuracy of flow measurement directly has influence on irrigated area collect, and even can have influence on applying of advanced irrigation technique.Along with improving constantly that farmland irrigation water scientific management requires, it is constantly universal that essence quantizes management of the use of water technology, and field irrigation hydrometry and equipment and technology will more and more have research and extension using value, also progressively be subject to people's attention.
Domestic at present, U trap engineering is widely used in hydraulic engineering, as the U trap diameter of irrigated area crossing, even reaches 3m, more rare in farmland irrigation water metering.This U trap engineering of crossing canal dike, not only makes canal dike avoid destroying, and guarantees boundary and the retaining of canal dike, and has reached to draw and get the object of water in a canal in order to irrigate.Can also save the energy under certain condition.U trap application is in recent years more extensive, and U trap is commonplace for allocating water in farmland irrigation abroad, has saved traditional opening gate engineering, very economical and safety.
Utility model content
The purpose of this utility model is to provide a kind of Portable siphon field irrigation flow measurement device, has not only stablized water distribution but also energy water, simple to operate, and the water yield is distributed accurately, is easy to safeguard.
The purpose of this utility model is achieved through the following technical solutions, and a kind of Portable siphon field irrigation flow measurement device is provided with Double-layer water-filtering net, plastic flexible pipe, band screw propeller flow meter, water outlet hard tube; Plastic flexible pipe is crossed on irrigation canal dike, and irrigation canal underwater is stretched in plastic flexible pipe one end, and the plastic flexible pipe other end connects plastic rigid pipe, and plastic rigid pipe end passes to farmland; The plastic flexible pipe end of stretching in irrigation canal arranges Double-layer water-filtering net, stretches out vacuum draw cylinder to be set and with the flowmeter of screw propeller on the plastic flexible pipe outside irrigation canal, with the flowmeter of screw propeller, is positioned at vacuum suction pump downstream; Double-layer water-filtering net forms drainage barrier, and plastic flexible pipe, Vacuum suction pump form inhalant region, with flowmeter and the plastic rigid pipe of screw propeller, forms pool.
Further, described Double-layer water-filtering net is comprised of the box water strainer of double-layer plastic.
Further, described plastic flexible pipe is equal diameter pipe.
Further, between described plastic flexible pipe and plastic rigid pipe, by sizing material, be connected.
Further, described Vacuum suction pump is arranged on field irrigation canal canal dike.
Further, in the described flowmeter passage with screw propeller, be provided with flow sensor and flow indicator.
Further, the described flowmeter with screw propeller is arranged on the plastic flexible pipe end near farmland.
A Portable siphon field irrigation flow-measuring method, comprises the following steps:
(1) arrange hydrocone type field irrigation flow measurement device: hydrocone type field irrigation flow measurement device, is provided with Double-layer water-filtering net, plastic flexible pipe, band screw propeller flow meter, water outlet hard tube; Plastic flexible pipe is crossed on irrigation canal river levee, and irrigation canal underwater is stretched in plastic flexible pipe one end, and the plastic flexible pipe other end connects plastic rigid pipe, and plastic rigid pipe end passes to farmland; The plastic flexible pipe end of stretching in irrigation canal arranges Double-layer water-filtering net, stretches out vacuum draw cylinder to be set and with the flowmeter of screw propeller on the plastic flexible pipe outside irrigation canal, with the flowmeter of screw propeller, is positioned at vacuum suction pump downstream; Double-layer water-filtering net forms drainage barrier, and plastic flexible pipe, Vacuum suction pump form inhalant region, with flowmeter and the plastic rigid pipe of screw propeller, forms pool;
(2) measurement of discharge: start the vacuum draw cylinder on plastic flexible pipe, in plastic flexible pipe, form vacuum and form U trap, act between the atmospheric pressure of the irrigation canal water surface and siphon intraductal pressure and produce pressure reduction, current in irrigation canal under the effect of pressure reduction by U trap highest point and guide farmland into via plastic rigid pipe, thereby current record field irrigation flow through the flowmeter with screw propeller on plastic flexible pipe.
Compared with prior art, the utlity model has following beneficial effect:
The first, the essential distinction of this patent and other field irrigation hydrometry is that farmland diversion has adopted U trap, avoids excavating ridge, not retrained by fixed position, is a kind of safe, economic, flow measurement mode easily;
The second, taked to be equipped with in passage the screw propeller flow meter of flow sensor and flow indicator, be particularly suitable for the field of farmland diversion flow measurement, volume is little, and reliability is high, assembles simpler and easy;
The 3rd, the method for calculating flux of screw propeller flow meter, formula is simple, and the flow conversion of actual measurement is convenient, is convenient to taking over of water rate, can be used to carry out irrigation water utilization factor mensuration simultaneously, evaluates water-saving irrigation effect;
The 4th, the utility model is rational in infrastructure, water flow stationary, and local head loss is less, is suitable for water quantity for irrigating agricultural field and measures.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model Portable siphon field irrigation flow measurement device;
In figure: 1 drainage barrier, 2 inhalant regions, 3 exhalant regions, 4 Double-layer water-filtering nets, 5 plastic flexible pipes, 6 vacuum suction pumps, 7 flowmeters with screw propeller, 8 water outlet hard tubes.
Embodiment
As shown in Figure 1, a kind of Portable siphon field irrigation flow measurement device, comprises Double-layer water-filtering net 4, plastic flexible pipe 5, band screw propeller flow meter 6, water outlet hard tube 8.
Plastic flexible pipe is crossed on irrigation canal river levee, and irrigation canal underwater is stretched in plastic flexible pipe one end, and the plastic flexible pipe other end connects plastic rigid pipe, and plastic rigid pipe end passes to farmland.
The plastic flexible pipe end of stretching in irrigation canal arranges Double-layer water-filtering net 4.
Stretch out and vacuum draw cylinder 6 is set and with the flowmeter 7 of screw propeller on the plastic flexible pipe outside irrigation canal.Flowmeter with screw propeller is positioned at vacuum suction pump downstream.
Double-layer water-filtering net forms drainage barrier 1, and plastic flexible pipe, Vacuum suction pump form inhalant region 2, with flowmeter and the plastic rigid pipe of screw propeller, forms pool 3.
Double-layer water-filtering net is comprised of the box water strainer of double-layer plastic.
Plastic flexible pipe and Vacuum suction pump equal diameter.
Between plastic flexible pipe and plastic rigid pipe, by sizing material, be connected.
Described Vacuum suction pump is arranged on catch feeder canal dike.
In flowmeter passage with screw propeller, be provided with flow sensor and flow indicator.
Flowmeter with screw propeller is arranged on the plastic flexible pipe end near farmland.
A Portable siphon field irrigation flow-measuring method, comprises the following steps:
(1) arrange hydrocone type field irrigation flow measurement device: hydrocone type field irrigation flow measurement device, is provided with Double-layer water-filtering net, plastic flexible pipe, band screw propeller flow meter, water outlet hard tube; Plastic flexible pipe is crossed on field irrigation canal canal dike, and irrigation canal underwater is stretched in plastic flexible pipe one end, and the plastic flexible pipe other end connects plastic rigid pipe, and plastic rigid pipe end passes to farmland; The plastic flexible pipe end of stretching in irrigation canal arranges Double-layer water-filtering net, stretches out vacuum draw cylinder to be set and with the flowmeter of screw propeller on the plastic flexible pipe outside irrigation canal, with the flowmeter of screw propeller, is positioned at vacuum suction pump downstream; Double-layer water-filtering net forms drainage barrier, and plastic flexible pipe, Vacuum suction pump form inhalant region, with flowmeter and the plastic rigid pipe of screw propeller, forms pool;
(2) measurement of discharge: start the vacuum draw cylinder on plastic flexible pipe, in plastic flexible pipe, form vacuum and form U trap, act between the atmospheric pressure of the irrigation canal water surface and siphon intraductal pressure and produce pressure reduction, current in irrigation canal under the effect of pressure reduction by U trap highest point and guide farmland into via plastic rigid pipe, solid stream of water can continue to flow to farmland, thereby current record field irrigation flow through the flowmeter with screw propeller on plastic flexible pipe.
Different from other field irrigation hydrometry, the essential distinction of the utility model is that farmland diversion has adopted U trap, avoids excavating ridge, not retrained by fixed position, is a kind of safe, economic, flow measurement mode easily.
The utility model has taked to be equipped with in passage the screw propeller flow meter of flow sensor and flow indicator, is specially adapted to the field of farmland low discharge, low water head diversion flow measurement, and volume is little, and reliability is high, assembles simpler and easy.
The utility model adopts the method for calculating flux of screw propeller flow meter, and formula is simple, and the flow conversion of actual measurement is convenient, is convenient to taking over of water rate, can be used to carry out irrigation water utilization factor mensuration simultaneously, evaluates water-saving irrigation effect.
The utility model is rational in infrastructure, water flow stationary, and local head loss is less, is suitable for water quantity for irrigating agricultural field and measures.
Claims (6)
1. a Portable siphon field irrigation flow measurement device, is characterized in that, is provided with Double-layer water-filtering net, plastic flexible pipe, band screw propeller flow meter, water outlet hard tube; Plastic flexible pipe is crossed on farmland irrigation channel, and water channel underwater is stretched in plastic flexible pipe one end, and the plastic flexible pipe other end connects plastic rigid pipe, and plastic rigid pipe end passes to farmland; The plastic flexible pipe end of stretching in irrigation canal arranges Double-layer water-filtering net, stretches out vacuum draw cylinder to be set and with the flowmeter of screw propeller on the plastic flexible pipe outside irrigation canal, with the flowmeter of screw propeller, is positioned at vacuum suction pump downstream; Double-layer water-filtering net forms drainage barrier, and plastic flexible pipe, Vacuum suction pump form inhalant region, with flowmeter and the plastic rigid pipe of screw propeller, forms pool.
2. Portable siphon field irrigation flow measurement device according to claim 1, is characterized in that, described Double-layer water-filtering net is comprised of the box water strainer of double-layer plastic.
3. Portable siphon field irrigation flow measurement device according to claim 1, is characterized in that, described plastic flexible pipe is equal diameter pipe.
4. Portable siphon field irrigation flow measurement device according to claim 1, is characterized in that, between described plastic flexible pipe and plastic rigid pipe, by sizing material, is connected.
5. Portable siphon field irrigation flow measurement device according to claim 1, is characterized in that, described Vacuum suction pump is arranged on irrigation canal river levee.
6. Portable siphon field irrigation flow measurement device according to claim 1, is characterized in that, in the described flowmeter passage with screw propeller, is provided with flow rate information sensor and flow indicator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420478305.9U CN204027610U (en) | 2014-08-25 | 2014-08-25 | A kind of Portable siphon field irrigation flow measurement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420478305.9U CN204027610U (en) | 2014-08-25 | 2014-08-25 | A kind of Portable siphon field irrigation flow measurement device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204027610U true CN204027610U (en) | 2014-12-17 |
Family
ID=52067454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420478305.9U Expired - Fee Related CN204027610U (en) | 2014-08-25 | 2014-08-25 | A kind of Portable siphon field irrigation flow measurement device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204027610U (en) |
-
2014
- 2014-08-25 CN CN201420478305.9U patent/CN204027610U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141217 Termination date: 20170825 |