A413295 AIR8C工控模块备件
滴灌中
通过滴灌器将水以小的、频繁的、精确的量分别施加到每个植物上。它是最先进的灌溉方法，应用效率最高。水在同一点以水滴形式连续输送，并进入土壤，通过重力垂直湿润根区，通过毛细作用横向湿润根区。种植区域仅部分湿润。在结构良好的中重度土壤中，地表下的水的横向运动大于砂土（表14.1）。此外，当滴水器的排放速率超过土壤的吸入速率和水力传导率时，水会在表面形成池塘。这导致水分更横向分布，而不是垂直分布。以下水横向扩散值仅供参考：系统布局和组件完整的滴灌系统由一个水头控制装置、主管道和副管道、消防栓、歧管和带有滴灌器的横向管线组成。控制站（主控单元）其功能和设备取决于系统的要求。
过滤装置
通常，它由关闭阀、空气阀和止回阀（止回阀）、过滤装置、肥料喷射器和其他较小的附件组成。主管道和副管道：主管道和次管道通常是埋地的，尤其是由硬质PVC制成的管道。加压灌溉技术加压灌溉技术14.1土壤类型轻质地中等质地细质地平均水扩散半径0.30 m 0.65 m 1.20 m表14.1-土壤类型和水扩散平均半径，滴水栓安装在干管或支管上，配有2–3英寸截止阀，它们能够将全部或部分管道水流输送到歧管馈线。它们被放置在阀箱中进行保护。歧管（给水器）管道通常为50、63或75 mm。如果由HDPE制成，则通过压缩型、快速释放、PP接头配件连接到消防栓上，并保持在表面上。滴水器支管这些总是由12–20 mm软黑色LDPE制成，PN 3.0–4.0 bar。它们通过固定位置的小型PP连接器配件安装在歧管上，并沿设备排铺设。它们配备了间隔紧密的滴头发射器或排放口。
In drip irrigation
water is applied to each plant in a small, frequent and accurate amount through a drip irrigation device. It is the most advanced irrigation method with the highest application efficiency. Water is continuously transported in the form of water drops at the same point, and enters the soil. The root zone is vertically wetted by gravity and horizontally wetted by capillarity. The planting area is only partially wet. In medium and heavy soil with good structure, the lateral movement of water under the surface is greater than that of sand (Table 14.1). In addition, when the discharge rate of the dripper exceeds the suction rate and hydraulic conductivity of the soil, the water will form a pond on the surface. This results in a more horizontal distribution of water than a vertical distribution. The horizontal diffusion value of underground water is only for reference: the drip irrigation system with complete system layout and components consists of a water head control device, main pipes and auxiliary pipes, fire hydrants, manifolds and horizontal pipelines with drip emitters. The functions and equipment of the control station (main control unit) depend on the requirements of the system.
Filter unit
Generally, it consists of shut-off valve, air valve and check valve (check valve), filter unit, fertilizer injector and other smaller accessories. Main and secondary pipes: Main and secondary pipes are usually buried, especially pipes made of hard PVC. Pressurized irrigation technology Pressurized irrigation technology 14.1 Soil type Light ground Medium texture Fine ground average water diffusion radius 0.30 m 0.65 m 1.20 m Table 14.1 - Soil type and average water diffusion radius, drip plugs installed on the main or branch pipe, with 2 – 3 inch stop valves, which can transfer all or part of the pipe water to the manifold feeder. They are placed in the valve box for protection. Manifold (water feeder) piping is typically 50, 63, or 75 mm. If it is made of HDPE, it is connected to the fire hydrant by compression type, quick release, PP joint fittings and kept on the surface. Dripper branch pipes These are always made of 12 – 20 mm soft black LDPE, PN 3.0 – 4.0 bar. They are installed on the manifold through small PP connector fittings in a fixed position and laid along the equipment row. They are equipped with closely spaced emitter emitters or drains.
