Continuous biogas slurry drip irrigation fertilization device

By employing an alternating left and right suction chamber design in the biogas slurry drip irrigation fertilization device, combined with floating and anti-clogging components, the device automatically cleans debris from the mesh, solving the problem of mesh clogging and improving the stability and nutrient utilization rate of biogas slurry drip irrigation.

CN121128584AActive Publication Date: 2025-12-16ZHEJIANG ACADEMY OF AGRICULTURE SCIENCES
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Patent Information

Application Number
CN202511432601.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-10-09
Publication Date
2025-12-16
Estimated Expiration
2045-10-09

AI Technical Summary

Technical Problem

In existing biogas slurry drip irrigation fertilization devices, debris adhering to the mesh plate is difficult to clean automatically, leading to blockage of the mesh plate pores, which affects the stability of biogas slurry delivery and crop growth.

Method used

The design employs alternating operation of the left and right suction chambers, combined with floating and anti-clogging components. By changing the flow direction of biogas slurry and creating a pressure difference, it automatically cleans debris from the screen and avoids scum and sediment layers through the protective sleeve, accurately extracting clarified liquid.

Benefits of technology

Stable operation of the biogas slurry drip irrigation device was achieved, reducing the risk of mesh clogging, improving nutrient utilization and pump life, and ensuring the long-term stability of the drip irrigation system.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a continuous biogas slurry drip irrigation fertilization device and relates to the technical field of biogas slurry drip irrigation. A left liquid suction cavity and a right liquid suction cavity work at intervals, so that the flow direction of biogas slurry is changed, and attachments on a first net plate automatically fall off; the biogas slurry flows in one direction from the precipitation cavity and the right liquid suction cavity through the first net plate and the second net plate of the left liquid suction cavity, a stable adhesion layer is formed on the outer side of the first net plate, when the state is switched and the right liquid suction cavity works, the left liquid suction cavity stops liquid suction, the biogas slurry in the precipitation cavity is changed to flow to the right liquid suction cavity, and a new flow direction is formed in a flow channel from the precipitation cavity to the right liquid suction cavity. Pressure difference is generated on two sides of the first screen plate, side pressure of a precipitation cavity is transiently increased due to change of a flow channel, flow velocity is concentrated to a right liquid suction cavity, side pressure of a left liquid suction cavity is close to a static state due to no liquid suction, and large impurities fall off due to shearing force generated when adhesive force is smaller than the pressure difference, so that the impurities attached to the outer side of the first screen plate are automatically cleaned; therefore, the biogas slurry drip irrigation is stably and continuously carried out.
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Citation Information

Patent Citations

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