Preparation system of chitosan degradable biological liquid three-dimensional mulching film

The utility model discloses a preparation system of a chitosan degradable biological liquid three-dimensional mulching film. The system comprises a stock solution pool, a dilution tank, a first reaction kettle, a second reaction kettle and a filtering assembly, wherein the stock solution pool is used for placing chitosan, the stock solution pool is connected with a dilution tank through a lift pump with a metering function and a pipeline, and the dilution tank is connected with the first reaction kettle. The system provided by the utility model is simple and reasonable in structure and convenient to install and use. By the adoption of the system, automatic production of the chitosan degradable biological liquid three-dimensional mulching film can be achieved, the produced biodegradable chitosan liquid mulching film can be completely degraded by microorganisms in soil six months later, and the mulching film is good in stretchability and has enough strength in a wet state. The product can be used as an agricult