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Method for arranging square spraying region sprayers

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Publication number
CN103506237A
CN103506237A CN 201310469693 CN201310469693A CN103506237A CN 103506237 A CN103506237 A CN 103506237A CN 201310469693 CN201310469693 CN 201310469693 CN 201310469693 A CN201310469693 A CN 201310469693A CN 103506237 A CN103506237 A CN 103506237A
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spraying
sprayers
region
square
pipeline
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CN 201310469693
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Chinese (zh)
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CN103506237B (en )
Inventor
刘俊萍
袁寿其
胡斌
朱兴业
李红
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江苏大学
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B13/00Machines 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
    • B05B13/02Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
    • B05B13/0278Arrangement 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

一种正方形喷洒域喷头的布置方法 One kind of a square field spraying head arrangement method

技术领域 FIELD

[0001] 本发明涉及有关非圆形喷洒域喷头的布置方法,尤其是一种高均匀性的正方形喷洒域喷头的布置方法。 [0001] The present invention relates to a non-related circular spraying head arrangement method, in particular a highly uniform field square spray nozzle arrangement method.

背景技术 Background technique

[0002] 正方形喷洒域喷头指的是喷头实现正方形域的变量喷洒。 [0002] The square spray nozzle refers to the variable domain of the nozzle to achieve a spray square domain. 一般情况下,非圆形喷洒域喷头随着旋转角度的变化,喷头的射程也随之改变,对于正方形喷洒域喷头水量分布来说,喷头旋转360。 In general, a non-circular spraying head changes with the angle of rotation of the head also changes the range for the water distribution head square wetted area, the rotary head 360. '喷头的射程呈现四个周期变化。 'Head presents a range of four cycles of change. :在射程较远的区域内,喷头所受的工作压力较大,远处水量较少,近处水量较多;在射程较近的区域内,喷头所受的工作压力较小,远处水量较多,近处水量较少。 : In the longer range of the region, suffered head working pressure, far less water, more near the water; in the region close range, the head suffered less stressful job, far from water more, less near water.

[0003] 喷头组合布置是否合理,直接影响到喷洒均匀性的高低和喷灌质量的好坏。 [0003] The nozzle arrangement is reasonable combination, directly affect the level and uniformity of the spray sprinkler their quality. 喷头的喷洒域形状是喷头组合布置形式的重要方面,依据无漏喷组合的原则,得保证喷洒不留空白,并有较高的均匀性。 Spray head gamut shape is an important aspect of the nozzle arrangement in combination, according to the principle of seamless spray composition, to ensure that the spray does not have to leave gaps, and have a high uniformity. 目前的研究中尚没有一种高均匀性的正方形喷洒域喷头的布置方法,若在某些特殊情况下由于布置不合理而造成组合喷洒均匀性较差时,必然会造成喷灌系统投资的浪费。 The present study a method is still not high uniformity disposed square sprinkler head domain, if in certain circumstances due to the arrangement resulting in unreasonable spray compositions poor uniformity, inevitably wasteful investment in the irrigation system. 因此,本发明提出了一种正方形喷洒域喷头高均匀性的布置方法以解决上述问题,具有很重要的意义。 Accordingly, the present invention proposes a head square wetted area highly uniform arrangement method to solve the above problems, has a very important significance.

[0004] 经检索,目前还没有相关的申报专利。 [0004] retrieved, there is no relevant patent declaration.

发明内容 SUMMARY

[0005] 为了提高正方形喷洒域喷头组合喷洒的均匀性,本发明提出一种喷洒高均匀性的正方形喷洒域喷头布置方法。 [0005] In order to increase the wetted area square head spray composition uniformity, the present invention provides a highly uniform square wetted area sprinkler head arrangement method.

[0006] 为了实现上述目的,本发明采取如下的技术方案:一种正方形喷洒域喷头的布置方法,包括下列步骤: [0006] To achieve the above object, the present invention employs the following technical solutions: A square field spraying head arrangement method, comprising the steps of:

(a)选择正方形喷洒域喷头作为样机,设定喷头的工作压力范围,得到正方形喷洒域内喷头的最长喷洒射程a和所述正方形喷洒域内喷头的最短喷洒射程b ; (A) selecting a square wetted area as a prototype head, nozzle operating pressure range is set to give the maximum square sprinkler spray head within the range of the square and a sprinkler spray head within the shortest range B;

(b)对所述正方形喷洒域喷头进行水量分布测量,分别得到所述正方形喷洒域内喷头的最长喷洒射程a的水量分布曲线和所述正方形喷洒域内喷头的最短喷洒射程b的水量分布曲线;其中,所述正方形喷洒域内喷头的最长喷洒射程a的水量分布曲线的横坐标为喷头到最长喷洒射程a的距离,所述正方形喷洒域内喷头的最长喷洒射程a的水量分布曲线的纵坐标为喷头到最长喷洒射程a的距离点对应的喷洒强度;所述正方形喷洒域内喷头的最短喷洒射程b的水量分布曲线的横坐标为喷头到最短喷洒射程b的距离,所述正方形喷洒域内喷头的最短喷洒射程b的水量分布曲线的纵坐标为喷头到最短喷洒射程b距离点对应的喷洒强度; (B) the square of the wetted area for water distribution measuring head, respectively the shortest longest sprinkler water distribution curve of a range within the spray head and the square of the square spray nozzle spraying water within the range of b distribution curve; water longest longitudinal profile of the spray range of a water distribution curve wherein the abscissa, the square sprinkler head within a maximum range of spray nozzles to spray the longest distance of a range, the square within the spray head coordinates to the spray nozzle spraying a maximum intensity of a distance range corresponding to the point; the shortest square spray nozzle within the spray water distribution curve abscissa range b of the spray nozzles to the shortest distance range b, the square art spray the shortest nozzle spray water distribution curve is a range of b ordinate spray nozzle to spray the intensity range of the shortest distance corresponding to the point b;

(C)喷头组合布置位置的确定:设定两条平行布置的管道,正方形喷洒域喷头分别布置在所述两条平行布置的管道上,第一条管道上相邻两个喷头之间的距离设为7,第一条管道与第二条管道之间的距离设为《,在第一条管道上相邻两个喷头之间的中间点位置向第二条管道作垂线,所述垂线与所述第二条管道的交点即为第二条管道上喷头的布置点;其中,距离7的确定方法为:假设所述正方形喷洒域内喷头的最短喷洒射程b的水量分布曲线的最大喷灌强度为A1,在所述正方形喷洒域内喷头的最短喷洒射程b的水量分布曲线中找出喷灌强度为么/2的点所对应的距喷头的距离为J1,则距离7 = Idl ;距离《的确定方法为:假设所述正方形喷洒域内喷头的最长喷洒射程a的水量分布曲线中距喷头距离为4Ϊ d,处所对应的喷灌强度为力2,在所述正方形喷洒域内喷头的最短喷洒射 Determining (C) nozzle combination arrangement position: set of pipes arranged in two parallel, square wetted area of ​​the head are disposed on two parallel conduit arrangement, the distance between two adjacent nozzles on a first pipeline 7 is set between the first conduit and the second conduit to the distance ", an intermediate point between adjacent two nozzles for the second vertical conduit on the first conduit, said skirt intersection line and the second conduit is the conduit disposed on the point of the second nozzle; wherein the method for determining the distance of 7: assuming that the shortest square spray nozzle within the spray water distribution curve maximum range b Irrigation minimum water spray intensity distribution curve b is the range A1, the spray head within the square it is to find the strength sprinkler head distance from the point / 2 corresponding to J1, then the distance 7 = Idl; distance " determining method: assuming the maximum of the square profile spraying water spray within a range of from the nozzle head distance 4Ϊ d, place a force corresponding to the intensity of sprinkler 2, the square of the sprinkler head within a shortest exit spray b的水量分布曲线中找出喷灌强度为弋-2 4的点所对应的距喷头的距离为式,则距离《 = Cl1+ %。 Water distribution curve b to find the strength of sprinkler head distance Yi from -24 points corresponding to the formula, the distance "= Cl1 +%.

[0007] 本发明的优点在于:喷头的正方形喷洒域与正方形喷洒域之间短射程边接触位置减少了末端水量重叠造成的均匀性下降的问题,同时,长射程末端与另一排喷头的短射程末端重叠位置,喷灌强度与单个喷洒域最大喷灌强度点值相等,且无漏喷,提高了正方形喷洒域喷头组合喷洒的均匀性,组合均匀性系数高。 [0007] The advantage of the present invention is that: the square spray nozzle spraying a square domain short-range side position of the contact between the field uniformity reduction reduces the problems caused by overlapping the ends of the water, while the long end of range of the other row short head end of range overlapping position, equal to a single sprinkler irrigation sprinkler spray field intensity maximum point value, and seamless spray, improves the uniformity of spray nozzles together square wetted area, the combination of high uniformity coefficient.

附图说明 BRIEF DESCRIPTION

[0008] 图1是本发明的布置示意图。 [0008] FIG. 1 is a schematic arrangement of the present invention.

[0009] 图2是最短喷洒射程b的水量分布曲线示意图。 [0009] FIG. 2 is a minimum amount of water sprayed schematic curve distribution range b.

[0010] 图3是最长喷洒射程a的水量分布曲线示意图。 [0010] FIG. 3 is a schematic view of the water spray range of a distribution curve of the longest.

[0011] 图4是喷头组合布置位置确定示意图。 [0011] FIG. 4 is a schematic view of the nozzle combination arrangement position determination.

[0012] [0012]

具体实施方式 detailed description

[0013] 本发明提供了一种喷洒高均匀性的正方形喷洒域喷头布置方法。 [0013] The present invention provides a highly uniform spray square spray nozzle arrangement domain method. 为让本发明的上述和其它目的、特征和优点能更明显易懂,下文以正方形喷洒域喷头为例,并配合所附图式,做详细说明如下。 To make the above and other objects, features, and advantages can be more fully understood by referring to an example head square wetted area, and with the accompanying drawings, described below in detail.

[0014] 如图1所示,首先,假设以30型号正方形喷洒域喷头作为对象,设定喷头的工作压力范围为250kPa~400kPa,通过试验,喷头在工作的过程中,喷头旋转一周,压力发生变化,当压力为400kPa时,得到正方形喷洒域的长射程a为20m,当压力为250kPa时,短射程b 为15m。 [0014] As shown in FIG. 1, first, the model assumed that 30 square sprinkler head as an object domain, nozzle set working pressure range of 250kPa ~ 400kPa, by experiment, in the course of the work head, the head rotation, the pressure generating change, when the pressure is 400kPa, square wetted area to give a long range is 20m, when the pressure is 250kPa, and b is a short range 15m.

[0015] 其次,对正方形喷洒域喷头进行水量分布测量,分别得到最长喷洒射程a的水量分布曲线和最短喷洒射程b的水量分布曲线。 [0015] Next, the square of the wetted area for water distribution measuring head, respectively the spray water distribution curve maximum range of a minimum amount of water and spray distribution curve of range b. 如图2和图3所示。 2 and 3.

[0016] 表1长射程a与短射程b的水量分布数据表 [0016] Table 1, a long-range and short-range water distribution data table b

Figure CN103506237AD00041

间距7的确定方法为:最短喷洒射程b的水量分布曲线中,最高点的喷灌强度为A1=Q.3mm/h,从最高点到射程最末端之间,喷灌强度为^/2=3.15mm/h的点所对应的距喷头的距离为4=13.5m。 A method for determining the spacing 7: Water spray shortest range distribution curve b, the point of highest intensity is sprinkler A1 = Q.3mm / h, between the highest point at the far end from the range, the strength of sprinkler ^ / 2 = 3.15mm / nozzle distance h from the point corresponding to 4 = 13.5m. 因此,设定第一条管道上相邻两喷头间距距离I = 2*13.5=27m。 Thus, setting the first conduit between two adjacent nozzle spacing distance I 2 * 13.5 = 27m =. [0017] 间距的确定方法为:首先,最长喷洒射程a的水量分布曲线中,距喷头距离为42 4=1%处所对应的喷灌强度为A2=0.5mm/h。 The method of determining the [0017] pitch: first, the water spray range of a maximum distribution curve, the distance from the nozzle 424 corresponding to the premises = 1% strength sprinkler A2 = 0.5mm / h. 其次,短射程水量分布曲线中,喷灌强度为A1-2 4 = 6.3 - 2*0.5 = 5.3mm/h的点所对应的从最高点到射程最末端之间,距喷头的距离为4=12.3m。 Secondly, short-range water distribution curve, sprinkler irrigation to A1-2 4 = 6.3 - 2 * 0.5 = 5.3mm / h from a point corresponding to the highest point of the range between the extreme end, a distance from the nozzle 4 = 12.3 m. 因此,设定第一条管道和第二条管道之间的距离=13.5 + 12.3=25.8m。 Accordingly, setting a distance between the first conduit and the second conduit = 13.5 + 12.3 = 25.8m.

[0018] 按照上面所述的布置方法,确定第一条管道上相邻两喷头间距/为27m,管道与管道之间距离®为25.Sm,在喷洒的区域内,以三个相邻喷头组合而成的三角形为计算单元,对其进行划分,每间隔Im放置一个测量喷灌强度的量雨筒,得到每个点的喷灌强度数值,再根据如下公式,可计算得到喷洒的均匀性数值。 [0018] The method according to the above arrangement, nozzle spacing is determined two adjacent first conduit / is 27m, the distance between the duct and the duct ® is 25.Sm, in the region of the spray, three adjacent to the head combination calculating means triangle, its divided intervals Im a measuring tube is placed an amount of rain sprinkler irrigation, the sprinkler obtained intensity value of each point, and then according to the formula, the value calculated to obtain the uniformity of spray.

[0019] [0019]

Figure CN103506237AD00051

式中:Ci 一克里斯琴森均匀系数,% —测点数J 一平均灌水深度,mm - 一第:个测点的水深,mm。 Where: Ci of a uniformity coefficient Christiansen,% - J a measurement points average irrigation depth, mm - one of: measuring points depth, mm.

[0020] 通过公式(I)和公式(2),将网格型布置的量雨筒测得的各点喷灌强度代入公式,计算出本发明方案中得到的正方形喷洒域喷头的组合均匀性系数为78.4%。 [0020] by the formula (I) and formula (2), a mesh type arrangement in an amount of rain barrel measured at each point sprinkler irrigation into the formula to calculate the composition uniformity coefficient embodiment of the present invention is obtained in a square wetted area nozzle 78.4%.

[0021] 虽然本发明已以较佳实施例介绍如上,然其并非用以限定本发明,任何本领域技术人员,在不脱离本发明的精神和范围内,当可作各种的更动与润饰,因此本发明的保护范围当视所附的权利要求范围所界定者为准。 [0021] While the present invention has been described above in terms of preferred embodiments, they are not intended to limit the present invention, anyone skilled in the art, without departing from the spirit and scope of the present invention, may make various modifications and retouch, and the scope of the invention as defined by the attached scope of claims and their equivalents.

Claims (2)

1.一种正方形喷洒域喷头的布置方法,包括下列步骤: (a)选择正方形喷洒域喷头作为样机,设定喷头的工作压力范围,得到正方形喷洒域内喷头的最长喷洒射程a和所述正方形喷洒域内喷头的最短喷洒射程b ; (b)对所述正方形喷洒域喷头进行水量分布测量,分别得到所述正方形喷洒域内喷头的最长喷洒射程a的水量分布曲线和所述正方形喷洒域内喷头的最短喷洒射程b的水量分布曲线;其中,所述正方形喷洒域内喷头的最长喷洒射程a的水量分布曲线的横坐标为喷头到最长喷洒射程a的距离,所述正方形喷洒域内喷头的最长喷洒射程a的水量分布曲线的纵坐标为喷头到最长喷洒射程a的距离点对应的喷洒强度;所述正方形喷洒域内喷头的最短喷洒射程b的水量分布曲线的横坐标为喷头到最短喷洒射程b的距离,所述正方形喷洒域内喷头的最短喷洒射程b的水量分 CLAIMS 1. A method of spraying square arrangement domain head, comprising the steps of: (a) selecting a square wetted area as a prototype head, nozzle operating pressure range is set to give the maximum square sprinkler head within a sprinkler and the range of the square spraying a spray head within the shortest range b; (b) the square of the wetted area for water distribution measuring head, respectively the spray water distribution curve up a range within the spray head and the square of the square within the spray head b minimum amount of water sprayed range profile; wherein the abscissa square sprinkler water distribution within the nozzle spray range of a curve up to the longest distance of the spray nozzle is a range of the maximum square sprinkler head within a spray range of the water distribution curve ordinate maximum strength to the spray nozzle spraying a distance range corresponding to the point; the minimum square spray nozzle within the spray water distribution curve is a range of b abscissa spray nozzles to the shortest range water spraying range of the shortest distance b, b, of the square within the spray nozzle points 曲线的纵坐标为喷头到最短喷洒射程b距离点对应的喷洒强度; (c)喷头组合布置位置的确定:设定两条平行布置的管道,正方形喷洒域喷头分别布置在所述两条平行布置的管道上,第一条管道上相邻两个喷头之间的距离设为7,第一条管道与第二条管道之间的距离设为《,在第一条管道上相邻两个喷头之间的中间点位置向第二条管道作垂线,所述垂线与所述第二条管道的交点即为第二条管道上喷头的布置点;其中,距离7的确定方法为:假设所述正方形喷洒域内喷头的最短喷洒射程b的水量分布曲线的最大喷灌强度为A1,在所述正方形喷洒域内喷头的最短喷洒射程b的水量分布曲线中找出喷灌强度为h1/2的点所对应的距喷头的距离为J1,则距离1= 2d ;距离《的确定方法为:假设所述正方形喷洒域内喷头的最长喷洒射程a的水量分布曲线中距喷头距离为√2d1,处所对 Ordinate of the graph is the minimum spray nozzle to spray intensity b from the range corresponding to the point; determining (c) a combination of the nozzle positions is arranged: to set two pipes arranged in parallel, square wetted area of ​​the two nozzles are disposed in parallel arrangement on the pipe, the distance between two adjacent nozzle 7 is set to the first pipeline, the distance between the first conduit and the second conduit is set to "two adjacent nozzles in the first pipeline as an intermediate point between the second vertical conduit, the intersection of the vertical line and said second conduit arrangement is the point on the second nozzle conduit; wherein the method for determining the distance of 7: Suppose the shortest of the square spray nozzle spraying water distribution within the range of the curve b sprinkler maximum intensity as A1, in the shortest square spray nozzle within the spray water distribution curve b in the range of sprinkler irrigation to find the point h1 / 2 of corresponding to the distance from the nozzle is J1, then the distance 1 = 2d; distance determination method "is as follows: assuming that the maximum square profile sprayed water spray within a range of from the nozzle head distance √2d1, on the premises 的喷灌强度为足,在所述正方形喷洒域内喷头的最短喷洒射程b的水量分布曲线中找出喷灌强度为h1-2h2的点所对应的距喷头的距离为式,则距离m = d1+d2。 Water distribution curve b is the shortest range sprayed sprinkler irrigation for the foot, in the sprinkler head within a square of a distance h1-2h2 sprinkler irrigation find points corresponding to the nozzle pitch of the formula, the distance m = d1 + d2 .
2.根据权利要求1所述的一种正方形喷洒域喷头的布置方法,其特征在于,所述正方形喷洒域喷头的工作压力范围为250kPa~400kPa,所述正方形喷洒域内喷头的最长喷洒射程a为20m,所述正方形喷洒域内喷头的最短喷洒射程b为15 m ;所述第一条管道上相邻两个喷头之间的距离设为I为27m,相邻两平行的管道之间距离m为25.Sm。 2. The arrangement method of the square of the wetted area of ​​the head according to claim 1, wherein said square spray nozzle operating pressure range of the domain of 250kPa ~ 400kPa, the square sprinkler head within a maximum range of spray is 20m, the minimum square sprinkler spray head within the range of b is 15 m; the distance between two adjacent said first nozzle conduit is I is 27m, the distance m between two adjacent parallel tubes as 25.Sm.
CN 201310469693 2013-10-11 2013-10-11 One kind of a square field spraying head arrangement method CN103506237B (en)

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JPH0837952A (en) * 1994-07-29 1996-02-13 Sumitomo Chem Co Ltd Sprinkling head of liquid applicator
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