Regardless of resource utilization or environmental protection, Chinese government and science and technology workers pay more attention to the research and development and utilization of lignin.
Forging is a manufacturing process that involves shaping metal using localised compressive forces. It is one of the oldest known metalworking processes, traditionally performed by a blacksmith with a hammer and anvil. Nowadays, this technique is carried out using powered equipment such as hydraulic presses, hammer mills, or forge presses, which exert much higher forces and are capable of producing more complex shapes and finer details.
Its process can be categorised into three main types:
1. Cold Forging
2. Warm Forging
3. Hot Forging
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After several generations of researchers, it has been found that lignin has a wide range of uses in a variety of industries and a variety of products. Among them, as a dispersing agent for pesticide wettable powder, it has been promoted and used in many pesticide industries.
First of all, lignin comes from the low cost of papermaking waste liquid, which reduces the production cost of enterprises. In today's highly competitive world, you lower the cost is the key to your stable market. In application, lignin has large specific surface area and light weight, and it can fully cooperate with pesticides, especially many active genes in molecular structure, which can chemically combine with pesticide molecules through simple chemical reaction to make pesticides from lignin reticular. The structure is slowly released, prolonging the efficacy of the pesticide.
Secondly, lignin in the wettable powder not only increases the dispersibility of the pesticide but also prolongs the suspension time of the liquid, so that the liquid can be evenly sprayed on the plant, and the maximum utilization of the drug energy.
Finally, lignin itself is non-toxic and slowly degraded in the soil without eventually leaving contaminants. It not only increases the efficiency of enterprises but also reduces the amount of pesticides used by the state and protects the environment. Why not?
Performed at or near room temperature, which increases the strength of the metal through work hardening. It is typically used for smaller parts and can produce a high surface finish and excellent dimensional control.
Carried out at temperatures between room temperature and about half the metal`s melting point. This process offers a good balance between the ease of shaping and the final properties of the metal, making it suitable for parts requiring moderate strength and precision.
Performed at temperatures above the metal`s recrystallisation temperature. This method allows for the shaping of large and complex parts, as the high temperatures increase metal ductility and reduce resistance to deformation. Hot forging is commonly used for steel, aluminium, and brass.
Application of lignin in pesticide wettable powder