农药主要包括:
农药由活性成分和农药助剂构成。活性成分可以杀死害虫,而农药助剂则有便于喷洒和覆盖目标农作物的作用。
活性成分最早是从天然物质蒸馏得来,现在通常采用从石油合成的方式获取。除此之外,农药中还包含氯、硫磺、磷、氮和溴等其他成分。
农药助剂可以是多种物质,包括水、煤油和乳化剂(如果杀虫剂是液体)。粉末杀虫剂通常包含玉米穗轴等植物质、黏土或矿物粉。
在生产农药的过程中,会产生大量的排放物需要处理。通常先去除粉尘和颗粒,然后应用物理和化学吸收工序。
这些副产品通常包含氨、磷酸盐或尿素等成分。为了去除这些成分,GEA 设计了气体洗涤系统,包括干气和湿气洗涤阶段。
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Ejectors, are devices for the conveyance, compression or mixing of gases, vapors, liquids or solids in which a gaseous or liquid medium serves as the motive force. They are "pumps without moving parts".
Jet pumps, also referred to as ejectors, are devices for the conveyance, compression or mixing of gases, vapors, liquids or solids and for the production of vacuum in which a gaseous or liquid medium serves as the motive force.
Mixing is a vital process in the production of a diverse range of products in a wide range of industries. Based on our extensive experience and technological know-how, GEA offers a variety of batch, continuous and in-house custom designed mixing solutions for unique applications that meet specific customer needs.
Every plant or machine, which is designed for a reliable long-term operation, requires a control unit that enables the communication between the different system parts. It is one of the most important component that guarantees reliability and efficient operation.
其他应用
Michele Schneider's life took an unexpected turn when she married her husband Virlei, an aspiring dairy farmer, and the two started dairy farm Fazenda Inovação Schneider Milk in Brazil. Being a newcomer in dairy farming, Michele saw her passion for the animals and the farm grow quickly. And so did her workload.
In a dairy herd, every cow has her own story – and modern herd management tools help tell it. By tracking health, habits and needs, these smart systems let farmers care better, work smarter and keep milk flowing. It's the secret behind happy herds and successful, more sustainable dairy farming.