CN207665682U - A kind of small flow drip emitter and drip irrigation equipment - Google Patents
A kind of small flow drip emitter and drip irrigation equipment Download PDFInfo
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- CN207665682U CN207665682U CN201721613626.5U CN201721613626U CN207665682U CN 207665682 U CN207665682 U CN 207665682U CN 201721613626 U CN201721613626 U CN 201721613626U CN 207665682 U CN207665682 U CN 207665682U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion
Abstract
This application involves irrigation technique field more particularly to a kind of small flow drip emitters and drip irrigation equipment.The drip emitter includes intake antrum and water chamber, which includes water inlet and runner, which is connected to the water inlet, which is sawtooth shape flow passage；The water chamber includes the first water outlet, which is connected to the runner；The sawtooth height of the sawtooth shape flow passage is 0.90mm, and sawtooth spacing is 1.14mm, width of flow path 0.55mm, flow channel depth 0.58mm, and sawtooth angle is 30 °, and the crown of arbitrary opposite two teeth of the sawtooth shape flow passage is concordant.The flow of the drip emitter can solve the problems, such as the flow of pouring water for how being further reduced drip emitter down to 0.6L/h.The drip irrigation equipment includes the drip emitter, and the flow of pouring water of the drip emitter substantially reduces, and can lengthen the laying length of hollow billet, and then the usage quantity for reducing branch pipe can also further using water wisely to reduce the cost of investment of drip irrigation equipment.
Description
Technical field
This application involves irrigation technique field more particularly to a kind of small flow drip emitters and drip irrigation equipment.
Background technology
In the irrigation technique of crop, due to drip irrigation technique have many advantages, such as using water wisely, save it is artificial, save fertilizer,
And there are the advantages such as yield height, quality height using the crop that drip irrigation technique is irrigated, therefore drip irrigation technique is widely used in crop
Irrigation in, such as：Fruit tree, cotton, potato, vegetables, flowers and other crops irrigation in.Drip irrigation technique applies in drip irrigation equipment
Realize that the irrigation to crop, drip irrigation equipment include irrigation pipe, drip emitter etc., irrigation pipe includes main pipe, branch pipe, hollow billet
Deng drip emitter (such as water dropper), which is installed on hollow billet, to be used, wherein drip emitter is considered as the " heart of drip irrigation system
It is dirty ", the technical merit of drip emitter is seriously related to the service life of drip irrigation equipment, the uniformity of irrigation water appilcation of drip irrigation equipment and trickle irrigation
Therefore how the cost performance etc. of equipment improves the side that the technical merit of drip emitter is always area research personnel research
To.
Increasingly with the fast development and popularization and application of efficient water-saving irrigation technology and land intensification management mode
How maturation further saves and is all a problem to be solved with water, the cost of investment for reducing soil per acre.Due to certain
Under pressure (such as normal pressure 0.1MPa), the flow of pouring water of drip emitter is smaller, and the pressure loss is with regard to smaller, and in guarantee, it is poured water uniformly
In the case of degree, the laying length of hollow billet is longer, and the usage amount of branch pipe can be reduced, and can thus reduce drip irrigation equipment
Cost, improve the cost performance of drip irrigation equipment, can also further save with water, electricity consumption etc..But for present situation, commonly use
Drip emitter flow substantially all in 1.0L/h or more, rarely be less than 1.0L/h flows drip emitter, so such as
The flow of pouring water what is further reduced drip emitter is the important breakthrough mouth for solving aforementioned urgent problem to be solved.
Utility model content
This application provides a kind of small flow drip emitter and drip irrigation equipments, to solve how to reduce drip emitter
Pour water flow the problem of.
The first aspect of the application provides a kind of small flow drip emitter, including：
Intake antrum, the intake antrum include water inlet and runner, and the runner is connected to the water inlet, and the runner is
Sawtooth shape flow passage；
Water chamber, the water chamber include the first water outlet, and first water outlet is connected to the runner；
Wherein, the sawtooth height of the sawtooth shape flow passage is 0.90mm, and sawtooth spacing is 1.14mm, and width of flow path is
0.55mm, flow channel depth 0.58mm, sawtooth angle are 30 °, and the crown of arbitrary opposite two teeth of the sawtooth shape flow passage is flat
Together.
Further, the length of the sawtooth shape flow passage is 20.2mm.
Further, the intake antrum further includes filter screen, and the filter screen is set to the water inlet, the filter screen
It is made of multiple grids, and the shorter edge length of each grid is not more than 0.2mm.
Further, the grid is circular hole or square hole, and the bond length of the diameter of the circular hole or the square hole is
0.2mm。
Further, on the extending direction of the sawtooth shape flow passage, the quantity of the grid is no less than 20.
Further, the drip emitter is non-depressed compensation type drip emitter.
The second aspect of the application provides a kind of drip irrigation equipment, including any one small flow drip emitter above-mentioned.
Further, the drip irrigation equipment includes hollow billet, and the drip emitter is set to the hollow billet, the hollow billet
Laying length is 200m.
Further, the water chamber of the drip emitter further includes the second water outlet, second water outlet with it is described
First water outlet is oppositely arranged, and second water outlet is attached at the inner wall of the hollow billet；
There are the side wall of the hollow billet multiple third water outlets, the third water outlet to be used to arrange in the water in the hollow billet
Go out, and the third water outlet docks setting with second water outlet.
Further, second water outlet and the third water outlet are circular outlets, and described second goes out
The diameter at the mouth of a river and the diameter of the third water outlet are 1.6mm.
Technical solution provided by the present application can reach following advantageous effect：
Small flow drip emitter provided herein, including intake antrum and water chamber, intake antrum include water inlet and
Runner, water chamber include water outlet, and aforementioned runner is sawtooth shape flow passage, which is connected to water inlet and water outlet respectively；Its
In, the sawtooth height of sawtooth shape flow passage is 0.90mm, and sawtooth spacing is 1.14mm, width of flow path 0.55mm, and flow channel depth is
0.58mm, sawtooth angle are 30 °, and the crown of arbitrary opposite two teeth of sawtooth shape flow passage is concordant.Compared with prior art, pass through
The setting of structure design and sawtooth shape flow passage design parameter to drip emitter, the flow of the drip emitter can reach
0.6L/h, such small flow drip emitter solve the problems, such as the flow of pouring water for being further reduced drip emitter.This Shen
The drip irrigation equipment please provided includes the drip emitter, and the flow of pouring water of the drip emitter substantially reduces, then
The laying length of hollow billet is lengthened, and then reduces the usage quantity of branch pipe, to reduce the cost of investment of drip irrigation equipment, meanwhile, it should
Small flow drip emitter can also further using water wisely.
It should be understood that above general description and following detailed description is merely exemplary, this can not be limited
Application.
Description of the drawings
The structural schematic diagram for the small flow drip emitter that Fig. 1 is provided by the embodiment of the present application；
The structural schematic diagram of the sawtooth pattern runner for the small flow drip emitter that Fig. 2 is provided by the embodiment of the present application；
The stereogram of the sawtooth pattern runner for the small flow drip emitter that Fig. 3 is provided by the embodiment of the present application.
Reference numeral：
10- intake antrums；
102- water inlets；
104- sawtooth pattern runners；
106- filter screens；
20- water chambers；
The first water outlets of 202-；
H- sawtooth height；
I- sawtooth spacing；
W- width of flow path；
D- flow channel depths；
θ-sawtooth angle；
L- flow channel lengths.
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the application
Example, and the principle together with specification for explaining the application.
Specific implementation mode
It is described in further detail below by specific embodiment and in conjunction with attached drawing to the application.
As shown in Figure 1 to Figure 3, the embodiment of the present application provides a kind of small flow drip emitter and drip irrigation equipment, trickle irrigation
Equipment includes main pipe, multiple branch pipes, multiple hollow billets and multiple drip emitters, and one end of each branch pipe is connected to main pipe, often
One end of a hollow billet is connected to branch pipe, and one end of each drip emitter is connected to hollow billet, specifically, the flow in main pipe
Enter branch pipe, the water in branch pipe flows into hollow billet, and the water in hollow billet flows into field by drip emitter.The embodiment of the present application is provided
Drip emitter include intake antrum 10 and water chamber 20, which includes water inlet 102 and runner, the water chamber 20 packet
The first water outlet 202 is included, which is connected to water inlet 102 and the first water outlet 202, and the water in hollow billet passes through water inlet
102 flow into the runner of drip emitter, and the water in runner is flowed out by the first water outlet 202 again, and aforementioned runner can be saw
Flow path of gear profile 104, sawtooth shape flow passage 104 can improve the turbulent fluctuation of water, to reduce in sawtooth shape flow passage 104 in remaining water
Impurity, and then improve drip emitter performance of anti-blockage, extend the service life of drip emitter.
Under normal pressure (0.1MPa), inventor carried out a large amount of sawtooth shape flow passage 104 structural parameters combination mostly because
Single factor of plain orthogonal test and structural parameters is tested, and with work such as the hydraulic performance of drip emitter, performance of anti-blockage
The relevant parameter of performance is the index for examining performance, constructs the sawtooth shape flow passage of the drip emitter with excellent working performance
The range of 104 each structural parameters, and in conjunction with the analysis of the means such as experiment and numerical simulation, obtained sawtooth shape flow passage
Quantifying model between 104 key structural parameters and the flow of drip emitter.Based on this, inventors herein proposing can
The structural parameters combination for meeting the sawtooth shape flow passage 104 for the small flow drip emitter that flow is 0.6L/h, specifically, such as Fig. 2
Shown, the concrete structure parameter of the sawtooth shape flow passage 104 is as follows：The sawtooth height H of sawtooth shape flow passage 104 is 0.90mm, sawtooth
Spacing I is 1.14mm, and width of flow path W is 0.55mm, and flow channel depth D is 0.58mm, and sawtooth angle θ is 30 °, and sawtooth shape flow passage
The crown of 104 arbitrary opposite two teeth is concordant, that is to say, that the irregular amount of crown of the sawtooth shape flow passage 104 is 0mm.
Compared with prior art, pass through 104 design parameter of structure design and sawtooth shape flow passage to drip emitter
Setting, the flow of the drip emitter can reach 0.6L/h, and such small flow drip emitter, which solves, to be further reduced
Drip emitter pour water flow the problem of.In addition, the drip irrigation equipment that the embodiment of the present application is provided includes the drip emitter,
The flow of pouring water of the drip emitter substantially reduces, then the laying length of hollow billet can be lengthened, and then reduces making for branch pipe
With quantity, to reduce the cost of investment of drip irrigation equipment, while small flow drip emitter can also further using water wisely,
In the case of the fast development and the reaching its maturity of land intensification management mode that solve current efficient water-saving irrigation technology,
Using water wisely urgently to be resolved hurrily reduces the problem of cost of investment in soil per acre.
Further, since the flow channel length L of sawtooth shape flow passage 104 has a certain impact to the flow of drip emitter, specifically
, flow channel length L is longer, and the flow of drip emitter is smaller, still, meanwhile, flow channel length L also cannot be long, because of mistake
Long flow channel length L, can reduce the anti-blockage capability of sawtooth shape flow passage 104, based on considering to above-mentioned factor, in conjunction with
Experiment has shown that proper flow channel length value, flow channel length L are 20.2mm.The flow channel length L of 20.2mm can both expire
The requirement of the small flow (0.6L/h) of sufficient drip emitter, in some instances it may even be possible to the flow smaller than 0.6L/h, it may also be ensured that trickle irrigation
Douche has good performance of anti-blockage.
More good irrigation water and the performance of anti-blockage of drip emitter is further increased in order to obtain, intake antrum 10 is also
May include filter screen 106, filter screen 106 can be set to water inlet 102, can specifically cover at water inlet 102, the filtering
Net 106 can be nylon filter, stainless steel filter screen etc., and nylon filter has preferable resistance to acid and alkali and corrosion resistance,
And resistance is small, at low cost, stainless steel filter screen has stronger corrosion resistance and impact resistance etc.；Filter screen 106 can be by more
A grid is constituted, and the shorter edge length of each grid is not more than 0.2mm, in this way, only particle of the grain size at least below 0.2mm
It could be entered in sawtooth shape flow passage 104 by the filter screen 106, can be obtained by filter out the more high-quality of big grain size impurity in this way
Irrigation water, big grain size impurity cannot be introduced into sawtooth shape flow passage 104, and drip emitter thus can be further improved
Performance of anti-blockage, and then can further extend the service life of drip emitter.
Further, the grid of filter screen 106 can be circular hole or square hole, as round or rectangular this regular shape
The more convenient making of the filter screen 106 of grid and unified purchase, and the bond length of the diameter of circular hole above-mentioned or square hole can be
0.2mm, if mentioned length is excessive, the filter effect of filter screen will unobvious, if but mentioned length is too small, will hinder
The circulation for hindering water reduces the flow velocity of water, reduces the efficiency of water irrigated crop, therefore considers by above-mentioned, in conjunction with experiment
Research, shown that aforementioned appropriate length 0.2mm, this length can not only reach preferable filter effect, but also can not
The circulation for hindering water, does not influence the efficiency of water irrigated crop.
In order to accelerate the rate of filtration of water, and the irrigation efficiency of raising crop, in the extending direction of sawtooth shape flow passage 104
On, the quantity of the grid of filter screen 106 is no less than 20, specifically, as shown in Figure 1, the filter screen 106 can be along zigzag stream
The extending direction in road 104 is arranged, and the one end of the filter screen 106 far from the first water outlet 202 can be with water inlet far from zigzag
The side of runner 104 is concordantly arranged, and water is flowed by grid in sawtooth shape flow passage 104.Filter screen 106 is lengthened, it can be same
It in one time, allows more water to be filtered and flows into sawtooth shape flow passage 104, the filter efficiency of water can be improved, to add
The rate of filtration of fast water, and then the irrigation efficiency of crop is improved, and it is bright in order to make the filter efficiency of water and irrigation efficiency have
The grid of aobvious promotion, the filter screen 106 of lengthening should not be less than 20 on the extending direction of sawtooth shape flow passage 104.
Further embodiment is that drip emitter provided herein is non-pressure compensated drip douche,
Compared with pressure compensated drip douche (or pressure compensating emitter), non-depressed compensation type drip emitter has structure
Simply, cheap advantage.And non-depressed compensation type drip emitter provided herein equally has pressure-compensated
Long the advantages of being laid with for the hollow billet that drip emitter is connected to, so drip emitter provided herein not only structure letter
It is single, cheap, it can also realize that the long of hollow billet is laid with, and then reduce the usage amount of branch pipe, to reduce cost, improve trickle irrigation
The cost performance of equipment, can also further using water wisely, electricity consumption etc..
Specifically, the laying length of the hollow billet for the drip irrigation equipment that the embodiment of the present application is provided is up to 200m.The laying is grown
Angle value obtains in the following way：The drip emitter can be set to inside hollow billet, and hollow billet can pour water with multiple trickle irrigations
Device be connected to, the distance between adjacent drip emitter can according to different crops in the plantation spacing in field depending on, compare
Common drip emitter spacing is 33cm, according to the flow value of the drip emitter under the distance values and normal pressure above-mentioned
(0.6L/h), and in the case of ensureing uniformity of irrigation water appilcation, the laying length of hollow billet is calculated up to 200m.It is aforementioned to pour water
Evenness refers to that maximum unit the pour water difference of flow of flow and minimum unit of pouring water is less than maximum unit and pours water flow
20%, usually, the unit of the drip emitter closer apart from mouth of pipe pours water flow can be somewhat larger, further away from branch pipe
Mouthful, the unit of drip emitter pours water flow can be smaller, because flow is under the effect of the pressure with certain flow rate, and
During flow flows, the problem of there is the pressure losses, i.e.,：The pressure that the flow remoter apart from mouth of pipe is subject to is more
Small, corresponding flow rate of water flow is with regard to smaller, and unit is poured water, and flow is also just smaller, and hollow billet is laid with long in order to prevent, so that farther out
The unit of drip emitter flow of pouring water is too small, or even is unable to outflow water, leads to the irrigation for the water that the crop in field obtains not
Uniformly, it to influence the growth of crop, even results in crop yield decline or quality declines, so ensureing uniformity of irrigation water appilcation
Under the premise of, the research of the drip irrigation equipment of progress just has essential meaning.The hollow billet for the drip irrigation equipment that the embodiment of the present application is provided
Laying length be 200m, this also has breakthrough progress, especially the application real in the research of the laying length of hollow billet
The drip emitter or non-depressed compensation type drip emitter that example is provided are applied, it is reported that, existing non-depressed compensation type drop
The laying length for the hollow billet that irrigation emitter is connected to is mostly in 80m between 120m.
Further, the water chamber of drip emitter can also include the second water outlet, and the second water outlet can be with first
Water outlet 202 is oppositely arranged, and second water outlet is attached at the inner wall of hollow billet, and drip emitter, which is set in hollow billet, to be risen
To the effect of protection drip emitter, corrosion of the drip emitter not by outside air, rainwater etc. can be specifically protected, not by outer
The destruction that boundary strikes, beats, wearing etc., and the side wall of hollow billet has multiple third water outlets, the third water outlet and second
Water outlet docking setting, for the water in hollow billet to be discharged, and the position of the two docking can be by the connection sides such as being bonded, welding
Formula is attached, in order to prevent leak, is preferably further carried out encapsulation process.
Wherein, the second water outlet and third water outlet can be circular outlets, and circular outlets are more convenient for uniformly purchasing
It buys, and in order to make the two dock more preferably, further prevents leak, the diameter of the second water outlet can with the diameter of third water outlet
With equal, and diameter can be 1.6mm, and the water outlet of the diameter can be more convenient for the outflow of water, reduce the resistance of flow, improve
The irrigation efficiency of crop.
The foregoing is merely the preferred embodiments of the application, are not intended to limit this application, for the skill of this field
For art personnel, the application can have various modifications and variations.Within the spirit and principles of this application, any made by repair
Change, equivalent replacement, improvement etc., should be included within the protection domain of the application.
Claims (10)
1. a kind of small flow drip emitter, which is characterized in that including：
Intake antrum, the intake antrum include water inlet and runner, and the runner is connected to the water inlet, and the runner is sawtooth
Shape runner；
Water chamber, the water chamber include the first water outlet, and first water outlet is connected to the runner；
Wherein, the sawtooth height of the sawtooth shape flow passage be 0.90mm, sawtooth spacing be 1.14mm, width of flow path 0.55mm,
Flow channel depth is 0.58mm, and sawtooth angle is 30 °, and the crown of arbitrary opposite two teeth of the sawtooth shape flow passage is concordant.
2. drip emitter according to claim 1, which is characterized in that
The length of the sawtooth shape flow passage is 20.2mm.
3. drip emitter according to claim 1, which is characterized in that
The intake antrum further includes filter screen, and the filter screen is set to the water inlet, and the filter screen is by multiple grid structures
At, and the shorter edge length of each grid is not more than 0.2mm.
4. drip emitter according to claim 3, which is characterized in that
The grid is circular hole or square hole, and the bond length of the diameter of the circular hole or the square hole is 0.2mm.
5. drip emitter according to claim 4, which is characterized in that
On the extending direction of the sawtooth shape flow passage, the quantity of the grid is no less than 20.
6. drip emitter according to claim 1, which is characterized in that
The drip emitter is non-depressed compensation type drip emitter.
7. a kind of drip irrigation equipment, which is characterized in that including the small flow drip emitter described in any one of claim 1-6.
8. drip irrigation equipment according to claim 7, which is characterized in that including hollow billet, the drip emitter is set to institute
Hollow billet is stated, the laying length of the hollow billet is 200m.
9. drip irrigation equipment according to claim 8, which is characterized in that
The water chamber of the drip emitter further includes the second water outlet, and second water outlet is opposite with first water outlet
Setting, and second water outlet is attached at the inner wall of the hollow billet；
There are the side wall of the hollow billet multiple third water outlets, the third water outlet to be used to the water in the hollow billet being discharged,
And the third water outlet docks setting with second water outlet.
10. drip irrigation equipment according to claim 9, which is characterized in that
Second water outlet and the third water outlet are circular outlets, and the diameter of second water outlet with it is described
The diameter of third water outlet is 1.6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721613626.5U CN207665682U (en) | 2017-11-27 | 2017-11-27 | A kind of small flow drip emitter and drip irrigation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721613626.5U CN207665682U (en) | 2017-11-27 | 2017-11-27 | A kind of small flow drip emitter and drip irrigation equipment |
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| Publication Number | Publication Date |
|---|---|
| CN207665682U true CN207665682U (en) | 2018-07-31 |
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ID=62966407
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721613626.5U Active CN207665682U (en) | 2017-11-27 | 2017-11-27 | A kind of small flow drip emitter and drip irrigation equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111096210A (en) * | 2019-11-19 | 2020-05-05 | 石河子大学 | Three-way flow dividing and bypassing flow channel and emitter based on flow channel |
| CN111096210B (en) * | 2019-11-19 | 2024-04-26 | 石河子大学 | Tee-joint-shaped shunt bypass flow channel and emitter based on same |
-
2017
- 2017-11-27 CN CN201721613626.5U patent/CN207665682U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111096210A (en) * | 2019-11-19 | 2020-05-05 | 石河子大学 | Three-way flow dividing and bypassing flow channel and emitter based on flow channel |
| CN111096210B (en) * | 2019-11-19 | 2024-04-26 | 石河子大学 | Tee-joint-shaped shunt bypass flow channel and emitter based on same |
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