CN103506237A - Method for arranging square spraying region sprayers - Google Patents
Method for arranging square spraying region sprayers Download PDFInfo
- Publication number
- CN103506237A CN103506237A CN201310469693.4A CN201310469693A CN103506237A CN 103506237 A CN103506237 A CN 103506237A CN 201310469693 A CN201310469693 A CN 201310469693A CN 103506237 A CN103506237 A CN 103506237A
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- shower nozzle
- territory
- range
- sprays
- distance
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/0278—Arrangement or mounting of spray heads
Abstract
The invention relates to a method for arranging non-circular spraying region sprayers, in particular to a method for arranging square spraying region sprayers. Firstly, the square spraying region sprayers serve as a model machine, the working pressure range of the sprayers is set to obtain the parameter of a long firing range a and the parameter of a short firing range b of a square spraying region. Secondly, two pipelines which are parallel are selected according to the character of water volume distribution of the square spraying region sprayers based on the non-leaking-spraying combination principle, the distance 1 between every two adjacent sprayers on the first pipeline is determined, the distance m between the first pipeline and the second pipeline are determined, and the sprayers on the second pipeline are right located between every two sprayers on the first pipeline. The method has the advantages that the tail end of the long firing range overlaps the tail end of the short firing range of the sprayers of the other rows, the spraying strength is equal to the single spraying region maximum spraying irrigation strength point value, leakage spraying does not exist, and the evenness of the square spraying region sprayer combination spraying is improved, and the combination uniformity coefficient is high.
Description
Technical field
The present invention relates to the method for arranging of relevant non-circular spraying district, especially a kind of square of high uniformity sprays the method for arranging of territory shower nozzle.
Background technology
Square sprays territory shower nozzle and refers to the variable spray that shower nozzle is realized square territory.Generally, non-circular spraying district is along with the variation of the anglec of rotation, and the range of shower nozzle also changes thereupon, for square, sprays territory droplet distribution, shower nozzle rotation 360
o, the range of shower nozzle presents four cycles variations.: in range compare Yuan region, the suffered operating pressure of shower nozzle is larger, and the water yield is less at a distance, and the water yield is more nearby; In range compare Jin region, the suffered operating pressure of shower nozzle is less, and the water yield is more at a distance, and the water yield is less nearby.
Whether shower nozzle combination is arranged reasonable, directly has influence on the quality of spraying inhomogeneity height and quality of sprinkler irrigation.The sprinkling territory shape of shower nozzle is the importance of shower nozzle combination arrangement form, according to the principle without drain spray combination, must guarantee that sprinkling does not blank, and have higher uniformity.In current research, still do not have a kind of square of high uniformity to spray the method for arranging of territory shower nozzle, if when some in particular cases causes combination sprinkling uniformity poor because layout is unreasonable, will inevitably cause the waste of spray irrigation system investment.Therefore, the present invention proposes the method for arranging of a kind of square sprinkling territory shower nozzle high uniformity to address the above problem, tool has very important significance.
Through retrieval, also there is no at present the relevant patent of declaring.
Summary of the invention
In order to improve square, spray the uniformity that territory shower nozzle combination is sprayed, the present invention proposes a kind of square that sprays high uniformity and sprays territory nozzle layout of sprinkler method.
To achieve these goals, the present invention takes following technical scheme: a kind of square sprays the method for arranging of territory shower nozzle, comprises the following steps:
(a) select square to spray territory shower nozzle as model machine, set the working pressure range of shower nozzle, obtain square and spray the longest sprinkling range a of shower nozzle in territory and the shortest sprinkling range b that described square sprays shower nozzle in territory;
(b) described square is sprayed to territory shower nozzle and carry out water distribution measurement, obtain respectively described square and spray the water distribution curve of the longest sprinkling range a of shower nozzle in territory and the water distribution curve that described square sprays the shortest sprinkling range b of shower nozzle in territory; Wherein, the abscissa that described square sprays the water distribution curve of the longest sprinkling range a of shower nozzle in territory is the distance that shower nozzle arrives the longest sprinkling range a, and the ordinate that described square sprays the water distribution curve of the longest sprinkling range a of shower nozzle in territory is intensity of spray irrigation corresponding to range points that shower nozzle arrives the longest sprinkling range a; The abscissa that described square sprays the water distribution curve of the shortest sprinkling range b of shower nozzle in territory is the distance that shower nozzle arrives the shortest sprinkling range b, and the ordinate that described square sprays the water distribution curve of the shortest sprinkling range b of shower nozzle in territory is that shower nozzle arrives intensity of spray irrigation corresponding to the shortest sprinkling range b range points;
(c) determining of shower nozzle combination position: set two pipelines that are arranged in parallel, square sprays territory shower nozzle and is arranged on described two pipelines that are arranged in parallel, and the distance on article one pipeline between adjacent two shower nozzles is made as
l, the distance between article one pipeline and second pipeline is made as
m, vertical line is made to second pipeline in the intermediate point position on article one pipeline between adjacent two shower nozzles, and the intersection point of described vertical line and described second pipeline is the layout points of second pipeline upper nozzle; Wherein, distance
ldefinite method be: suppose that the maximum application rate of sprinkler irrigation that described square sprays the water distribution curve of the shortest sprinkling range b of shower nozzle in territory is
h 1, in described square sprays territory, in the water distribution curve of the shortest sprinkling range b of shower nozzle, find out application rate of sprinkler irrigation and be
h 1/ 2 the corresponding distance apart from shower nozzle of point is
d 1, distance
l=2
d 1; Distance
mdefinite method be: suppose that described square sprays in the water distribution curve of the longest sprinkling range a of shower nozzle in territory apart from shower nozzle apart from being
d 1locating corresponding application rate of sprinkler irrigation is
h 2, in described square sprays territory, in the water distribution curve of the shortest sprinkling range b of shower nozzle, find out application rate of sprinkler irrigation and be
h 1-2
h 2the corresponding distance apart from shower nozzle of point be
d 2, distance
m=
d 1+
d 2.
The invention has the advantages that: between the square sprinkling territory of shower nozzle and square sprinkling territory, short range limit contact position has reduced the problem of the overlapping uniformity decreases causing of the end water yield, simultaneously, the short range end lap position of long-range end and another row's shower nozzle, application rate of sprinkler irrigation equates with the maximum sprinkling irrigation in single sprinkling territory hot spot value, and without drain spray, improved the uniformity that the shower nozzle combination of square sprinkling territory is sprayed, combination uniformity coefficient is high.
Accompanying drawing explanation
Fig. 1 is layout schematic diagram of the present invention.
Fig. 2 is the water distribution curve synoptic diagram of the shortest sprinkling range b.
Fig. 3 grows the water distribution curve synoptic diagram that sprays range a most.
Fig. 4 is that shower nozzle combination position is determined schematic diagram.
The specific embodiment
The invention provides a kind of square that sprays high uniformity and spray territory nozzle layout of sprinkler method.For above and other objects of the present invention, feature and advantage can be become apparent, it is example that the square of below take sprays territory shower nozzle, and coordinates appended graphicly, is described below in detail.
As shown in Figure 1, first, suppose to using that 30 model squares spray territory shower nozzle as object, the working pressure range of setting shower nozzle is 250kPa～400kPa, by test, shower nozzle is in the process of work, and shower nozzle rotates a circle, and pressure changes, when pressure is 400kPa, the long-range a that obtains square sprinkling territory is 20m, and when pressure is 250kPa, short range b is 15m.
Secondly, align square spray field shower nozzle and carry out water distribution measurement, obtain respectively growing most the water distribution curve of sprinkling range a and the water distribution curve of the shortest sprinkling range b.As shown in Figures 2 and 3.
The water distribution tables of data of table 1 long-range a and short range b
Spacing
ldefinite method be: in the water distribution curve of the shortest sprinkling range b, the application rate of sprinkler irrigation of peak is
h 1=6.3mm/h, from peak to range least significant end, application rate of sprinkler irrigation is
h 1the corresponding distance apart from shower nozzle of point of/2=3.15mm/h is
d 1=13.5m.Therefore, set adjacent two sprinkler spacing distances on article one pipeline
l=2*13.5=27m.
Spacing
mdefinite method be: first, in the water distribution curve of the longest sprinkling range a, apart from shower nozzle distance, be
d 1the corresponding application rate of sprinkler irrigation in=19m place is
h 2=0.5mm/h.Secondly, in short range water distribution curve, application rate of sprinkler irrigation is
h 1-2
h 2the point of=6.3-2*0.5=5.3mm/h is corresponding from peak to range least significant end, apart from the distance of shower nozzle, is
d 2=12.3m.Therefore, set the distance between article one pipeline and second pipeline
m=13.5+12.3=25.8m.
According to method for arranging recited above, determine adjacent two sprinkler spacings on article one pipeline
lfor 27m, distance between pipeline and pipeline
mfor 25.8m, in the region of spraying, the triangle that three the adjacent shower nozzles of take combine is computing unit, it is divided, at interval of 1m, place a precipitation gauge of measuring application rate of sprinkler irrigation, obtain the application rate of sprinkler irrigation numerical value of each point, then according to following formula, can calculate the uniformity numerical value of sprinkling.
(2)
In formula:
-Christiansen coefficient of uniformity, %;
n-measuring point number;
-average water irrigating depth, mm;
-the
the depth of water of individual measuring point, mm.
By formula (1) and formula (2), the each point application rate of sprinkler irrigation substitution formula that the precipitation gauge that grid type is arranged records, the combination uniformity coefficient that calculates the square sprinkling territory shower nozzle obtaining in the present invention program is 78.4%.
Although the present invention with preferred embodiment introduction as above; so it is not in order to limit the present invention; any those skilled in the art; without departing from the spirit and scope of the present invention; when being used for a variety of modifications and variations, so protection scope of the present invention is when being as the criterion depending on the appended claim scope person of defining.
Claims (2)
1. square sprays a method for arranging for territory shower nozzle, comprises the following steps:
(a) select square to spray territory shower nozzle as model machine, set the working pressure range of shower nozzle, obtain square and spray the longest sprinkling range a of shower nozzle in territory and the shortest sprinkling range b that described square sprays shower nozzle in territory;
(b) described square is sprayed to territory shower nozzle and carry out water distribution measurement, obtain respectively described square and spray the water distribution curve of the longest sprinkling range a of shower nozzle in territory and the water distribution curve that described square sprays the shortest sprinkling range b of shower nozzle in territory; Wherein, the abscissa that described square sprays the water distribution curve of the longest sprinkling range a of shower nozzle in territory is the distance that shower nozzle arrives the longest sprinkling range a, and the ordinate that described square sprays the water distribution curve of the longest sprinkling range a of shower nozzle in territory is intensity of spray irrigation corresponding to range points that shower nozzle arrives the longest sprinkling range a; The abscissa that described square sprays the water distribution curve of the shortest sprinkling range b of shower nozzle in territory is the distance that shower nozzle arrives the shortest sprinkling range b, and the ordinate that described square sprays the water distribution curve of the shortest sprinkling range b of shower nozzle in territory is that shower nozzle arrives intensity of spray irrigation corresponding to the shortest sprinkling range b range points;
(c) determining of shower nozzle combination position: set two pipelines that are arranged in parallel, square sprays territory shower nozzle and is arranged on described two pipelines that are arranged in parallel, and the distance on article one pipeline between adjacent two shower nozzles is made as
l, the distance between article one pipeline and second pipeline is made as
m, vertical line is made to second pipeline in the intermediate point position on article one pipeline between adjacent two shower nozzles, and the intersection point of described vertical line and described second pipeline is the layout points of second pipeline upper nozzle; Wherein, distance
ldefinite method be: suppose that the maximum application rate of sprinkler irrigation that described square sprays the water distribution curve of the shortest sprinkling range b of shower nozzle in territory is
h 1, in described square sprays territory, in the water distribution curve of the shortest sprinkling range b of shower nozzle, find out application rate of sprinkler irrigation and be
h 1/ 2 the corresponding distance apart from shower nozzle of point is
d 1, distance
l=2
d 1; Distance
mdefinite method be: suppose that described square sprays in the water distribution curve of the longest sprinkling range a of shower nozzle in territory apart from shower nozzle apart from being
d 1locating corresponding application rate of sprinkler irrigation is
h 2, in described square sprays territory, in the water distribution curve of the shortest sprinkling range b of shower nozzle, find out application rate of sprinkler irrigation and be
h 1-2
h 2the corresponding distance apart from shower nozzle of point be
d 2, distance
m=
d 1+
d 2.
2. a kind of square according to claim 1 sprays the method for arranging of territory shower nozzle, it is characterized in that, the working pressure range that described square sprays territory shower nozzle is 250kPa～400kPa, the longest sprinkling range a that described square sprays shower nozzle in territory is 20m, and the shortest sprinkling range b that described square sprays shower nozzle in territory is 15 m; Distance on described article one pipeline between adjacent two shower nozzles is made as
lfor 27m, distance between adjacent two parallel pipelines
mfor 25.8m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310469693.4A CN103506237B (en) | 2013-10-11 | 2013-10-11 | A kind of square sprays the method for arranging of territory shower nozzle |
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|---|---|---|---|
| CN201310469693.4A CN103506237B (en) | 2013-10-11 | 2013-10-11 | A kind of square sprays the method for arranging of territory shower nozzle |
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| CN103506237A true CN103506237A (en) | 2014-01-15 |
| CN103506237B CN103506237B (en) | 2015-12-02 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106982711A (en) * | 2017-03-02 | 2017-07-28 | 江苏大学镇江流体工程装备技术研究院 | A kind of optimization method of the average application rate of sprinkler irrigation of straight movement type irrigation sprinkler various combination spacing |
| CN109618855A (en) * | 2018-12-07 | 2019-04-16 | 山西省农业科学院经济作物研究所 | Make peanut single grain fine sowing cultural method between a kind of young garden |
| CN115879695A (en) * | 2022-11-14 | 2023-03-31 | 四川大学锦江学院 | Irrigation spray head layout method based on K-means algorithm |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106982711A (en) * | 2017-03-02 | 2017-07-28 | 江苏大学镇江流体工程装备技术研究院 | A kind of optimization method of the average application rate of sprinkler irrigation of straight movement type irrigation sprinkler various combination spacing |
| CN106982711B (en) * | 2017-03-02 | 2019-11-05 | 江苏大学镇江流体工程装备技术研究院 | A kind of straight movement type irrigation sprinkler various combination spacing is averaged the optimization method of application rate of sprinkler irrigation |
| CN109618855A (en) * | 2018-12-07 | 2019-04-16 | 山西省农业科学院经济作物研究所 | Make peanut single grain fine sowing cultural method between a kind of young garden |
| CN115879695A (en) * | 2022-11-14 | 2023-03-31 | 四川大学锦江学院 | Irrigation spray head layout method based on K-means algorithm |
| CN115879695B (en) * | 2022-11-14 | 2024-02-09 | 四川大学锦江学院 | K-means algorithm-based irrigation nozzle layout method |
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| CN103506237B (en) | 2015-12-02 |
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