CN104646206A - Fixed type chemical mixer - Google Patents
Fixed type chemical mixer Download PDFInfo
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- CN104646206A CN104646206A CN201510083070.2A CN201510083070A CN104646206A CN 104646206 A CN104646206 A CN 104646206A CN 201510083070 A CN201510083070 A CN 201510083070A CN 104646206 A CN104646206 A CN 104646206A
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- 239000000126 substance Substances 0.000 title abstract description 6
- 239000003814 drug Substances 0.000 claims abstract description 114
- 239000000575 pesticide Substances 0.000 claims abstract description 48
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000007921 spray Substances 0.000 claims abstract description 15
- 239000007788 liquid Substances 0.000 claims abstract description 11
- 230000000694 effects Effects 0.000 claims abstract description 10
- 229940079593 drug Drugs 0.000 claims description 52
- 238000003860 storage Methods 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 12
- 238000009792 diffusion process Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 6
- 238000005260 corrosion Methods 0.000 abstract description 4
- 230000007797 corrosion Effects 0.000 abstract description 4
- 239000000839 emulsion Substances 0.000 abstract description 4
- 239000000725 suspension Substances 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 11
- 238000005507 spraying Methods 0.000 description 10
- 238000009826 distribution Methods 0.000 description 7
- 239000013543 active substance Substances 0.000 description 3
- 230000008021 deposition Effects 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000012452 mother liquor Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 239000012895 dilution Substances 0.000 description 2
- 238000010790 dilution Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 231100000674 Phytotoxicity Toxicity 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011550 stock solution Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
Description
技术领域 technical field
本发明涉及一种喷洒农药用混药器,具体地说是一种固定式混药器。 The invention relates to a pesticide mixer for spraying pesticides, in particular to a fixed pesticide mixer.
背景技术 Background technique
评价施药质量的重要指标之一是农药有效物质在靶标上沉积分布的均匀程度,只有农药有效物质沉积分布均匀才能做到防治效果好、不产生药害,也最节约农药。在使用高效农药(一亩地只使用几克到几十克)和采用低容量喷施方法时,要达到农药有效物质在靶标上均匀沉积分布,除使用高质量的喷头并使之合理配置,采用正确的施药方法外,还必须使农药有效物质与稀释用载体在喷头喷出前和整个喷施过程中混合均匀。 One of the important indicators for evaluating the quality of pesticide application is the uniformity of deposition and distribution of active pesticide substances on the target. Only when the deposition and distribution of effective pesticide active substances are uniform can the control effect be good, no phytotoxicity be produced, and the pesticides be saved the most. When using high-efficiency pesticides (only a few grams to tens of grams per mu of land) and low-volume spraying methods, to achieve uniform deposition and distribution of pesticide active substances on the target, in addition to using high-quality nozzles and making them reasonably configured, In addition to adopting the correct spraying method, it is also necessary to mix the active substance of the pesticide with the carrier for dilution before spraying from the nozzle and during the entire spraying process.
例如中国专利申请号200910101373.7,发明名称“喷雾机用同步注入式混药器”,该专利提供一种以发动机的驱动信号同时使农药母液注入泵进行工作,减轻农药对喷雾机用泵过水部件的腐蚀,提高喷雾机的使用寿命。但农药母液需要单独一套系统控制,混药器开始和结束阶段,吸入室中药液不好控制,农药母液和水的混合均匀性不能保障,混合管的长度不能控制。中国专利申请号201010132393.3,发明名称“一种自动混药装置”,该专利在喷雾机用同歩注入式混药器的出口端增加了螺旋部分实现农药原液和水快速自动混合均匀。但喷雾机用同步注入式混药器的问题都没有解决,而且螺旋单元由3-5片螺旋叶片组成,螺旋叶片为长度比为1或1.25且厚度为1-3毫米的矩形板扭转180°形成,螺旋叶片一端与另一端螺旋叶片一端之间的连接关系为成90°交叉焊接,虽然混合均匀效果好,但阻力太大,直接影响农药喷出效果,实用性不好。中国专利申请号201210585002.2,发明名称“一种车载式混药装置”,中国专利申请号201410420915.8,发明名称“一种具有高混药比的射流混药器设计方法”,这些专利也没有解决同步注入式混药器的问题。 For example, the Chinese patent application number 200910101373.7, the name of the invention is "Synchronous Injection Mixer for Sprayer". This patent provides a driving signal from the engine to simultaneously inject the pesticide mother liquor into the pump to reduce the impact of pesticides on the sprayer pump. Corrosion, improve the service life of the sprayer. However, the pesticide mother liquor needs to be controlled by a separate system. At the beginning and end stages of the drug mixer, the medicine liquid in the suction chamber is not easy to control, the mixing uniformity of the pesticide mother liquor and water cannot be guaranteed, and the length of the mixing tube cannot be controlled. Chinese patent application number 201010132393.3, title of invention "an automatic drug mixing device", this patent has increased the spiral part at the outlet end of the synchronous injection type drug mixer for the sprayer to realize the rapid and automatic mixing of pesticide stock solution and water. However, the problem of synchronous injection type drug mixers for sprayers has not been solved, and the screw unit is composed of 3-5 pieces of screw blades, and the screw blades are rectangular plates with a length ratio of 1 or 1.25 and a thickness of 1-3 mm twisted 180° Forming, the connection relationship between one end of the helical blade and one end of the other end helical blade is a 90° cross welding, although the uniform mixing effect is good, the resistance is too large, which directly affects the spraying effect of the pesticide, and the practicability is not good. Chinese patent application number 201210585002.2, the invention name is "a vehicle-mounted drug mixing device", and the Chinese patent application number 201410420915.8 is the invention name "a design method of a jet mixer with a high mixing ratio". Mixer problem.
在农业生产中,药液和稀释用的载体混合后形成溶液、乳浊液或悬浮液。对于溶液,一般仅在开始混合时需要搅拌,而乳浊液和悬浮液的搅拌则应伴随整个喷雾过程,以保证药液混合均匀性。 In agricultural production, the liquid medicine and the carrier used for dilution are mixed to form a solution, emulsion or suspension. For solutions, stirring is generally only required at the beginning of mixing, while the stirring of emulsions and suspensions should accompany the entire spraying process to ensure uniform mixing of the liquid medicine.
发明内容 Contents of the invention
本发明的目的是提供一种固定式混药器,采用该混药器能减少农药对农机具的污染、腐蚀;提高农药混合均匀性;应用范围广,真正实现一机多用;提高施药效果。本发明适用于乳浊液或悬浮液农药在使用过程中药液在线混合,均匀性好。 The purpose of the present invention is to provide a fixed pesticide mixer, which can reduce the pollution and corrosion of agricultural machinery by pesticides; improve the uniformity of pesticide mixing; have a wide range of applications, and truly realize one machine with multiple functions; improve the effect of pesticide application . The invention is suitable for on-line mixing of the emulsion or suspension pesticide in the process of use, and has good uniformity.
本发明的目的通过以下技术方案实现: The object of the present invention is achieved through the following technical solutions:
一种固定式混药器,其特征在于:该混药器包括药箱、入口端、出口端、进药分配器、混合器和喷头,入口端的左侧与水管连接,右侧与出口端连接,进药分配器设置在入口端与出口端之间;药箱连接在出口端上;出口端的右侧通过混合器与喷头连接。 A fixed drug mixer, characterized in that the drug mixer includes a medicine box, an inlet port, an outlet port, a drug feed distributor, a mixer and a spray head, the left side of the inlet port is connected to the water pipe, and the right side is connected to the outlet port , the medicine feed distributor is arranged between the inlet port and the outlet port; the medicine box is connected to the outlet port; the right side of the outlet port is connected to the nozzle through the mixer.
本发明中,出口端的右侧通过一组混合器分别与相对应的喷头连接。 In the present invention, the right side of the outlet end is respectively connected with the corresponding spray heads through a group of mixers.
药箱包括箱体、下螺口、上螺口和箱盖,箱体通过下螺口连接在出口端上;上螺口为方便农药药瓶摆放、储存的下沉式;在上螺口处设有保证密封效果的上垫圈和下垫圈;在箱体上设有一组箱体气孔,一组箱体气孔对称排列在上螺口上;在箱盖上设有一组箱盖气孔,一组箱盖气孔对称排列在箱盖上。 The medicine box includes a box body, a lower screw port, an upper screw port and a box cover. The box body is connected to the outlet end through the lower screw port; the upper screw port is a sunken type for convenient placement and storage of pesticide bottles; There is an upper gasket and a lower gasket to ensure the sealing effect; a group of box air holes are arranged on the box body, and a group of box air holes are symmetrically arranged on the upper screw; Cover air holes are symmetrically arranged on the box cover.
入口端包括内螺口、外螺口、密封槽、外端面、内端面、入口端储药槽、收缩管和喉管,内螺口和进水管相连,外螺口和出口端连接;密封槽内装有阻止药液从内端面流入的密封圈;内端面和进药分配器的端面配合;外端面和出口端的端面配合。 The inlet port includes an inner screw port, an outer screw port, a sealing groove, an outer end face, an inner end face, a drug storage tank at the inlet end, a shrinkage tube and a throat pipe, the inner screw port is connected with the water inlet pipe, and the outer screw port is connected with the outlet port; the sealing groove It is equipped with a sealing ring that prevents the inflow of liquid medicine from the inner end surface; the inner end surface is matched with the end surface of the medicine feeding distributor; the outer end surface is matched with the end surface of the outlet end.
出口端包括左外侧端面、出口端储药槽、左内螺口、左内侧端面、进药口、扩散管、右端面、右内螺口和定位孔;扩散管成螺旋面结构,其旋转方向和进药分配器中吸药口的切线方向相同。 The outlet end includes the left outer end face, the outlet end drug storage tank, the left inner screw port, the left inner end face, the drug inlet, the diffusion tube, the right end face, the right inner screw port and the positioning hole; It is the same as the tangent direction of the suction port in the medicine feed dispenser.
进药分配器包括背面、前面、定位扣和吸药口,背面和入口端的端面贴合,前面和出口端的端面贴合,定位扣和出口端配合。 The drug inlet dispenser includes a back, a front, a positioning buckle and a drug suction port, the back is fitted with the end face of the inlet end, the front is fitted with the end face of the outlet end, and the positioning buckle is matched with the outlet end.
混合器包括连接端面、左螺口、右螺口和叶片,左螺口与出口端连接,右螺口与喷头连接。 The mixer includes a connection end surface, a left screw port, a right screw port and blades, the left screw port is connected with the outlet port, and the right screw port is connected with the nozzle.
本发明中,主进水管可分成几个分水管,每个分水管分别和一个混药器和喷头相连,实现施药功能。将混药器和喷头直接相连,当一定压力水经过混药器后,直接将混药器上药箱中的药液吸收、混合,通过喷头后直接对作物施药。 In the present invention, the main water inlet pipe can be divided into several water distribution pipes, and each water distribution pipe is respectively connected with a drug mixer and a spray head to realize the drug application function. The medicine mixer is directly connected to the spray head. When a certain pressure of water passes through the medicine mixer, it directly absorbs and mixes the medicine liquid in the medicine box on the medicine mixer, and sprays the crops directly after passing through the spray head.
本发明具有以下优点: The present invention has the following advantages:
1)将药箱集成到混药器中,缩小农药经过面积,减少农机具由于农药带来的污染、腐蚀等。 1) Integrate the medicine box into the pesticide mixer to reduce the area where pesticides pass through, and reduce the pollution and corrosion of agricultural machinery and tools caused by pesticides.
2)湍流提高混合均匀性原理,将扩散管36设计成螺旋面,借助进药分配器4切向注入农药,通过混合器5等措施,将农药和水充分均匀混合,提高农药混合均匀性。 2) The principle of turbulence to improve mixing uniformity, the diffusion pipe 36 is designed as a helical surface, and the pesticide is injected tangentially with the aid of the feed distributor 4, and the pesticide and water are fully and uniformly mixed through the mixer 5 and other measures to improve the uniformity of pesticide mixing.
3)仅通过改变可设计为标准件的进药分配器4和混合器5可基本实现常用农药在生产中的应用,真正实现一机多用。 3) Only by changing the drug feed distributor 4 and mixer 5 which can be designed as standard parts, the application of commonly used pesticides in production can be basically realized, and one machine with multiple functions can be truly realized.
4)精简施药机具体积,提高施药效果。 4) Simplify the volume of the spraying machine and improve the effect of spraying.
附图说明 Description of drawings
图1是本发明的结构示意图。 Fig. 1 is a structural schematic diagram of the present invention.
图2是本发明的爆炸图。 Figure 2 is an exploded view of the present invention.
图3-1是本发明中药箱的结构示意图。 Fig. 3-1 is a schematic structural view of the traditional Chinese medicine box of the present invention.
图3-2是图3-1中M处的放大图。 Figure 3-2 is an enlarged view of point M in Figure 3-1.
图3-3是药箱中箱盖的结构示意图。 Fig. 3-3 is a schematic diagram of the structure of the box cover in the medicine box.
图4-1是本发明中入口端的结构示意图。 Fig. 4-1 is a schematic structural view of the inlet port in the present invention.
图4-2是图4-1中B处的放大图。 Figure 4-2 is an enlarged view of B in Figure 4-1.
图5-1是本发明中出口端的结构示意图。 Fig. 5-1 is a structural schematic diagram of the outlet port in the present invention.
图5-2出口端左侧端面中定位孔的示意图。 Figure 5-2 Schematic diagram of the positioning hole in the left end face of the outlet end.
图6是本发明中进药分配器的结构示意图。 Fig. 6 is a schematic structural view of the medicine feeding dispenser in the present invention.
图7是本发明中混合器的结构示意图。 Fig. 7 is a schematic structural diagram of a mixer in the present invention.
图8是本发明的使用状态示意图。 Fig. 8 is a schematic diagram of the use state of the present invention.
具体实施方式 Detailed ways
一种固定式混药器,该混药器包括药箱1、入口端2、出口端3、进药分配器4、混合器5和喷头6,入口端的左侧与水管7连接,右侧与出口端连接,进药分配器设置在入口端与出口端之间;药箱连接在出口端上;出口端的右侧通过混合器与喷头连接。喷头6可根据需要自行调换。如图1和图2所示。 A fixed drug mixer, the drug mixer includes a medicine box 1, an inlet port 2, an outlet port 3, a drug feed distributor 4, a mixer 5 and a nozzle 6, the left side of the inlet port is connected to a water pipe 7, and the right side is connected to a water pipe 7. The outlet end is connected, and the drug feed distributor is arranged between the inlet end and the outlet end; the medicine box is connected to the outlet end; the right side of the outlet end is connected to the spray head through a mixer. Shower nozzle 6 can be exchanged voluntarily as required. As shown in Figure 1 and Figure 2.
药箱1通过螺纹连接在入口端3上,进药分配器4通过定位扣43固定在出口端3的左端面。入口端2和出口端3螺纹连接;混合器5和出口端3螺纹连接,喷头6和混合器5螺纹连接。进药分配器4、混合器5做成标准件,根据农药的浓度、黏度不同,其规格不同。混合器5和出口端3中间可增加一定长度的喷杆;混合器5和喷头6中间也可增加一定长度的喷杆;出口端3和喷头6中间可设置不同数量的混合器5,提高农药混合均匀性。总之农药不同,混药器结构可灵活调整,来保证农药混合均匀性,提高其施药效果。 The medicine box 1 is connected to the inlet end 3 by threads, and the medicine feed distributor 4 is fixed on the left end surface of the outlet end 3 by a positioning buckle 43 . The inlet port 2 is threaded to the outlet port 3; the mixer 5 is threaded to the outlet port 3, and the nozzle 6 is threaded to the mixer 5. The medicine feed distributor 4 and the mixer 5 are made into standard parts, and their specifications are different according to the concentration and viscosity of the pesticide. A spray bar of a certain length can be added between the mixer 5 and the outlet end 3; a spray bar of a certain length can also be added between the mixer 5 and the nozzle 6; different numbers of mixers 5 can be arranged between the outlet end 3 and the nozzle 6 to improve the pesticide production efficiency. Mixing uniformity. In short, the pesticides are different, and the structure of the pesticide mixer can be adjusted flexibly to ensure the uniformity of pesticide mixing and improve its spraying effect.
药箱1通过螺纹连接在混药器的出口端3上。农药可以倒入药箱1,农药药瓶如果和药箱1相同,也可以直接将药瓶连接在混药器上。 The medicine box 1 is connected to the outlet port 3 of the medicine mixer through threads. The pesticide can be poured into the medicine box 1, and if the pesticide medicine bottle is the same as the medicine box 1, the medicine bottle can also be directly connected to the medicine mixer.
药箱1结构图如图3-1至图3-3所示,药箱1包括箱体18、下螺口11、上螺口17、箱盖12、上垫圈13、下垫圈16、箱体气孔14和箱盖12气孔15。箱体气孔14共4个,对称排列在上螺口17上,箱盖气孔15共2个,对称排列在箱盖12上,如图5所示。 The structural diagram of the medicine box 1 is shown in Figure 3-1 to Figure 3-3. The medicine box 1 includes a box body 18, a lower screw port 11, an upper screw port 17, a box cover 12, an upper gasket 13, a lower gasket 16, and a box body. Air hole 14 and case lid 12 air holes 15. There are totally 4 box air holes 14, which are symmetrically arranged on the upper screw opening 17, and there are totally 2 box cover air holes 15, which are symmetrically arranged on the box cover 12, as shown in Figure 5.
药箱1上螺口17设计成下沉式,方便该类型的农药药瓶摆放、储存。混药器使用时,将瓶盖12旋松,使箱盖12上的气孔15和箱体气孔14相通,保证药箱内的气压和大气压相通,农药顺畅流入混药器。当混药器不使用或对药箱1装药时,将箱盖12旋紧,此时,箱体气孔14和箱盖气孔15错位,药液无法流出,同时上垫圈13和下垫圈16保证密封效果。 The screw port 17 on the medicine box 1 is designed to be sunken, which is convenient for placing and storing the pesticide bottles of this type. When the drug mixer is in use, the bottle cap 12 is unscrewed so that the air hole 15 on the case cover 12 communicates with the casing air hole 14, so that the air pressure in the medicine box is communicated with the atmospheric pressure, and the pesticide flows into the drug mixer smoothly. When the medicine mixer is not in use or when the medicine box 1 is filled with medicine, the box cover 12 is tightened. At this time, the box body air hole 14 and the box cover air hole 15 are dislocated, and the medicinal liquid cannot flow out. At the same time, the upper gasket 13 and the lower gasket 16 ensure that Sealing effect.
入口端2结构图如图4-1和图4-2所示,包括内螺口21、外螺口22、密封槽23、外端面24、内端面25、入口端储药槽26、收缩管27和喉管28。 The structure diagram of the inlet port 2 is shown in Figure 4-1 and Figure 4-2, including the inner screw 21, the outer screw 22, the sealing groove 23, the outer end surface 24, the inner end surface 25, the drug storage tank 26 at the inlet end, and the shrink tube 27 and throat 28.
内螺口21和进水管相连,外螺口22和出口端3的内螺口33连接,密封槽23内装有密封圈阻止药液从内端面25流入。内端面25和进药口4的背面41配合。外端面24和出口端3的左内侧端面34配合。26为储药槽在入口端22的部分。 The inner screw port 21 is connected with the water inlet pipe, the outer screw port 22 is connected with the inner screw port 33 of the outlet port 3 , and a sealing ring is housed in the sealing groove 23 to prevent the medicinal liquid from flowing in from the inner end surface 25 . The inner end surface 25 cooperates with the back surface 41 of the drug inlet 4 . The outer end face 24 cooperates with the left inner end face 34 of the outlet port 3 . 26 is the part of the drug storage tank at the inlet end 22 .
一定压力水通过入口端21进来后,通过收缩管27和喉管28后,进入出口端3中。 After the water of a certain pressure comes in through the inlet port 21, after passing through the shrink tube 27 and the throat pipe 28, it enters the outlet port 3.
出口端3结构图如图5-1和图5-2所示,包括左外侧端面31、出口端储药槽32、内螺口33、左内侧端面34、进药口35、扩散管36、右端面38、内螺口37和定位孔39。 The structural diagram of the outlet end 3 is shown in Figure 5-1 and Figure 5-2, including the left outer end surface 31, the outlet end drug storage tank 32, the inner screw port 33, the left inner end surface 34, the drug inlet 35, the diffusion tube 36, Right end face 38, internal screw opening 37 and positioning hole 39.
储药槽32是位于出口端3的部分,出口端储药槽32和入口端储药槽26配合后形成完整的储药槽,当药箱1中的农药流入储药槽后,通过进药分配器4进入混药器中。 The medicine storage tank 32 is the part located at the outlet end 3. The medicine storage tank 32 at the outlet end cooperates with the medicine storage tank 26 at the inlet end to form a complete medicine storage tank. Dispenser 4 enters the drug mixer.
扩散管36设计成螺旋面结构,其旋转方向和进药分配器4中吸药口44的切线方向相同,目的如下: Diffusion tube 36 is designed as a helical surface structure, and its direction of rotation is the same as the tangential direction of drug suction port 44 in drug inlet distributor 4. The purpose is as follows:
(1)使出口端3内的水经过36螺旋面后产生湍流运动,加速农药和水的混合,提高其混合均匀性。 (1) Make the water in the outlet end 3 pass through the 36 helical surfaces to generate turbulent movement, accelerate the mixing of pesticides and water, and improve the mixing uniformity.
(2)高压水通过喉管28和扩散管36后不会倒灌进进药分配器4中。 (2) After the high-pressure water passes through the throat pipe 28 and the diffuser pipe 36 , it will not be poured back into the medicine distributor 4 .
进药分配器4结构图如图6所示,包括背面41、前面42、定位扣43和吸药口44。背面41和入口端2的端面25贴合,前面42和出口端3的端面34贴合,定位扣43和出口端3的定位孔39配合,对进药分配器4进行定位。 The structure diagram of the medicine dispenser 4 is shown in FIG. 6 , which includes a back side 41 , a front side 42 , a positioning buckle 43 and a medicine suction port 44 . The back side 41 fits with the end face 25 of the inlet end 2, the front face 42 fits with the end face 34 of the outlet end 3, and the positioning buckle 43 cooperates with the positioning hole 39 of the outlet end 3 to position the drug dispenser 4.
农药的粘度不同,施药的浓度不同时,进药分配器4的吸药口44的尺寸不同。 When the viscosities of the pesticides are different and the concentrations of the pesticides are different, the sizes of the drug suction openings 44 of the drug feed dispenser 4 are different.
切向进流方式是由于圆管内壁对切向进流的限制和导引强迫管道中的流体产生螺旋流。吸药口44位于喉管28的右端,压力差将农药吸入管内,扩散管36螺旋面旋转方向同吸药口44的切向方向一致,便于农药和水的均匀性混合。 The tangential inflow mode is due to the limitation and guidance of the inner wall of the circular tube to the tangential inflow and the forced fluid in the pipeline to generate a helical flow. The medicine suction port 44 is located at the right end of the throat pipe 28, and the pesticide is sucked into the pipe by the pressure difference. The rotation direction of the helical surface of the diffuser pipe 36 is consistent with the tangential direction of the medicine suction port 44, which is convenient for the uniform mixing of the pesticide and water.
混合器5结构如图7所示,包括连接端面51、左螺口52、右螺口53和叶片54。 The structure of the mixer 5 is shown in FIG. 7 , including a connecting end surface 51 , a left screw port 52 , a right screw port 53 and blades 54 .
如图8所示,混药器使用结构图,主进水管分成4个分水管,每个分水管分别和一个混药器和喷头相连,实现施药功能。将混药器和喷头直接相连,当一定压力水经过混药器后,直接将混药器上药箱中的药液吸收、混合,通过喷头后直接对作物施药。 As shown in Figure 8, the structural diagram of the drug mixer, the main water inlet pipe is divided into 4 water distribution pipes, and each water distribution pipe is connected to a drug mixer and a nozzle to realize the drug application function. The medicine mixer is directly connected to the spray head. When a certain pressure of water passes through the medicine mixer, it directly absorbs and mixes the medicine liquid in the medicine box on the medicine mixer, and sprays the crops directly after passing through the spray head.
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