基于秸秆与牛粪耦合发酵的生物质地膜浆体制备装置
The biofilm slurry preparation device using the coupled fermentation of straw and cow dung has solved the problems of high energy consumption, high pollution, and high cost in biofilm preparation, realizing resource utilization and improving production efficiency, alleviating soil ecological problems, and supporting sustainable agricultural development.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JILIN ACAD OF AGRI SCI
- Filing Date
- 2025-08-13
- Publication Date
- 2026-07-17
AI Technical Summary
Existing methods for preparing biofilm have problems such as high energy consumption, high pollution, and high cost, and plastic film residues have a serious impact on soil ecology.
A biofilm slurry preparation device using straw and cow dung coupled fermentation is used. Aerobic fermentation is carried out in a fermentation tank, combined with stirring and rolling components to prepare biofilm slurry, realizing resource utilization and simplifying the production process.
It reduces environmental pollution from traditional treatment methods, improves fermentation and production efficiency, reduces equipment investment and operating costs, alleviates soil ecological problems caused by plastic film residue, and contributes to sustainable agricultural development.
Smart Images
Figure CN224513485U_ABST
Abstract
Claims
1. A biomass mulch slurry preparation device based on straw and cow dung coupling fermentation, for fermenting biomass of straw and / or cow dung to obtain a biomass mulch slurry, characterized in that, The biofilm slurry preparation device based on the coupled fermentation of straw and cow dung includes: A fermentation tank is used to contain biomass and to carry out aerobic fermentation of the biomass; the fermentation tank is equipped with a stirring component, which is used to stir the biomass. A crushing and discharging tank is located below the fermentation tank and is connected to the outlet of the fermentation tank for discharging materials. The roller assembly is disposed in the crushing and discharging tank and located below the outlet of the fermentation tank, and is used to crush the fermented biomass flowing out of the outlet of the fermentation tank to obtain mulch slurry.
2. The biomass geomembrane slurry preparation device based on coupling fermentation of straw and cow dung according to claim 1, characterized in that, The fermentation tank is equipped with a top cover, which includes a waterproof and breathable molecular membrane.
3. The biomass geomembrane slurry preparation device based on coupling fermentation of straw and cow dung according to claim 2, characterized in that, The molecular membrane is an eptfe membrane.
4. The biomass mulch slurry preparation device based on coupling fermentation of straw and cow dung according to claim 1, characterized in that, A valve assembly is provided at the outlet of the fermentation tank, which is used to control the opening and closing of the fermentation tank outlet.
5. The biomass mulch slurry preparation device based on coupling fermentation of straw and cow dung according to claim 4, characterized in that, The valve assembly includes a feeding trough, a valve plate, and a handle. The feeding trough is fixedly installed at the outlet of the fermentation tank, and the interior of the feeding trough is connected to the outlet of the fermentation tank. The valve plate is rotatably installed in the feeding trough, and the handle is fixedly connected to the rotating shaft of the valve plate. The handle is used to control the rotation of the valve plate. The valve plate's rotation includes at least a first rotation angle that closes the feed chute and a second rotation angle that opens the feed chute.
6. The biomass mulch slurry preparation device based on coupling of straw and cow dung fermentation according to claim 5, characterized in that, The valve assembly also includes flexible baffles, which are installed on both sides of the feed chute, with the lower end of the flexible baffles contacting and connecting with the roll assembly.
7. The biofilm slurry preparation device based on the coupled fermentation of straw and cow dung as described in claim 1, characterized in that, The stirring assembly includes a stirring shaft, stirring blades, a drive pulley, and a flange. The stirring shaft is horizontally rotatably installed in the fermentation tank. The stirring blades are fixedly installed on the stirring shaft. One end of the stirring shaft extends outside the fermentation tank. The drive pulley and the flange are both connected to the stirring shaft outside the fermentation tank. The flange is used to connect the motor; The drive pulley is used to connect the roll assembly via a belt.
8. The biofilm slurry preparation device based on the coupled fermentation of straw and cow dung as described in claim 7, characterized in that, The roll assembly includes a roll pair, a gear set, and a driven pulley. The roll pair is located below the outlet of the fermentation tank. The roll pair includes at least two meshing rolls. The same end of the two rolls is connected by a gear set. The other end of one of the rolls is provided with a driven pulley, which is connected to the driving pulley by a belt. Both the gear set and the driven pulley are located outside the crushing discharge tank.
9. The device for preparing biomass mulch slurry based on coupling fermentation of straw and cow dung according to claim 1, characterized in that, The fermentation tank includes an aerobic fermentation zone and an anaerobic fermentation zone below the aerobic fermentation zone, and the stirring assembly is located in the aerobic fermentation zone.
10. The biomass mulch slurry preparation device based on coupling of straw and cow dung fermentation according to claim 9, characterized in that, A water spray pipe is installed in the upper part of the fermentation tank; The aerobic fermentation zone and the anaerobic fermentation zone are respectively equipped with a first temperature-oxygen sensor and a second temperature-oxygen sensor. The first temperature-oxygen sensor and the second temperature-oxygen sensor each include at least a temperature sensor and an oxygen concentration sensor. The first temperature-oxygen sensor is used to monitor the temperature and oxygen concentration of the aerobic fermentation zone, and the second temperature-oxygen sensor is used to monitor the temperature and oxygen concentration of the anaerobic fermentation zone.