一种气膜防粘式离心-变径螺旋挤出一体化红薯渣液分离装置
By using an integrated gas-film anti-sticking centrifugal-variable diameter screw extrusion device, the problems of large size, high energy consumption, low processing efficiency, and easy adhesion and clogging of highly viscous materials in sweet potato residue-liquid separation equipment have been solved, achieving efficient, stable, and energy-saving sweet potato residue-liquid separation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- WUHAN INST OF TECH
- Filing Date
- 2025-04-29
- Publication Date
- 2026-07-17
AI Technical Summary
Existing sweet potato residue-liquid separation equipment suffers from problems such as large size, high energy consumption, low processing efficiency, and easy adhesion, clogging, and frequent maintenance of highly viscous materials.
The integrated centrifugal-variable diameter screw extrusion device with air film anti-sticking technology achieves efficient separation of sweet potato residue liquid through the synergistic effect of the centrifugal separation cylinder and the microporous variable diameter screw shaft, combined with air film isolation, avoiding adhesion and clogging.
It improves the efficiency of sweet potato residue-liquid separation, reduces energy consumption, decreases equipment cleaning frequency, and improves production efficiency and stability, making it suitable for large-scale sweet potato processing.
Smart Images

Figure CN224507313U_ABST
Abstract
Claims
1. A gas film anti-sticking type centrifugal-diameter-changing spiral extrusion integrated sweet potato residue liquid separation device, characterized in that, include: The outer cylinder (1) contains a centrifugal separator (2) coaxially arranged inside the outer cylinder (1). The centrifugal separator (2) has filter holes evenly distributed on it. The centrifugal separator (2) contains a microporous variable diameter spiral shaft (3) coaxially arranged inside the centrifugal separator (2). The surface of the microporous variable diameter spiral shaft (3) is covered with an air film (4) that is in close contact with it. The outer cylinder (1) contains a power source (5) for driving the centrifugal separator (2) and the microporous variable diameter spiral shaft (3) to rotate respectively. The rotation direction of the centrifugal separator (2) is opposite to the rotation direction of the microporous variable diameter spiral shaft (3).
2. The air film anti-sticking type centrifugal-diameter-variable spiral extrusion integrated sweet potato residue liquid separation device according to claim 1, characterized in that, The outer cylinder (1) has a feed inlet (110) at the end away from the power source (5). The feed inlet (110) on the outer cylinder (1) is directly opposite the feed inlet at the end of the centrifugal separator (2). The outer cylinder (1) has a discharge outlet (120) near the power source (5).
3. The gas film anti-sticking type centrifugal-diameter-variable spiral extrusion integrated sweet potato residue liquid separation device according to claim 2, characterized in that, The outer diameter of the microporous variable diameter spiral shaft (3) gradually changes from 50mm to 80mm, and the pitch gradually changes from 30mm to 15mm; the microporous variable diameter spiral shaft (3) has a small pitch at the large diameter end and a large pitch at the small diameter end; the large diameter end of the microporous variable diameter spiral shaft (3) is close to the feed inlet (110).
4. The air film anti-sticking type centrifugal-diameter-variable spiral extrusion integrated sweet potato residue liquid separation device according to claim 1, characterized in that, The microporous variable diameter spiral shaft (3) is made of high-strength alloy steel.
5. The gas film anti-sticking type centrifugal-diameter-variable spiral extrusion integrated sweet potato residue liquid separation device according to any one of claims 1-4, characterized in that, The microporous variable diameter spiral shaft (3) has micropores with a diameter of 0.1 mm to 0.3 mm, and the density of the micropores on the microporous variable diameter spiral shaft (3) is 50 pores / cm³. 2 ~100 holes / cm 2 .
6. The gas film anti-sticking type centrifugal-diameter-variable spiral extrusion integrated sweet potato residue liquid separation device according to any one of claims 1-4, characterized in that, The centrifugal separator (2) is made of stainless steel.
7. The gas film anti-sticking type centrifugal-diameter-variable spiral extrusion integrated sweet potato residue liquid separation device according to any one of claims 1-4, characterized in that, The air film (4) is made of a special rubber material that is resistant to high temperature and wear.
8. The gas film anti-sticking type centrifugal-diameter-variable spiral extrusion integrated sweet potato residue liquid separation device according to any one of claims 1-4, characterized in that, The airflow channel on the microporous variable diameter spiral shaft (3) is connected to the external air supply end, and the airflow channel on the microporous variable diameter spiral shaft (3) is connected to the hollow channel on the air film (4).
9. The gas film anti-sticking type centrifugal-diameter-variable spiral extrusion integrated sweet potato residue liquid separation device according to claim 1, characterized in that, The centrifugal separator (2) rotates at a speed of 2000 rpm to 2500 rpm, and the microporous variable diameter spiral shaft (3) rotates at a speed of 40 rpm to 60 rpm.
10. The gas membrane anti-sticking type centrifugal-diameter-variable spiral extrusion integrated sweet potato residue liquid separation device according to claim 1 or 9, characterized in that, The power source (5) includes: a motor (510), the main shaft of the motor (510) is connected to the input shaft of the differential (520), one output shaft of the differential (520) is connected to the centrifugal separator (2) via a coupling, and the other output shaft of the differential (520) is connected to the micro-hole variable diameter spiral shaft (3) via a coupling.