Horizontal spiral sedimentation centrifuge
By lengthening the settling zone of the drum and adding clear phase guide holes in a horizontal spiral sedimentation centrifuge, and optimizing the spiral blade design, the problem of high impurity content in the clarified liquid was solved, achieving a more efficient solid-liquid separation effect.
Patent Information
- Application Number
- CN202422633168.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-30
- Publication Date
- 2025-10-28
- Estimated Expiration
- 2034-10-30
AI Technical Summary
Existing horizontal spiral sedimentation centrifuges still have a high impurity content in the clarified liquid discharged from the outlet after separating suspensions, especially due to the presence of suspended solids with a specific gravity less than that of the liquid.
By designing a horizontal spiral sedimentation centrifuge, increasing the length of the sedimentation zone of the drum, and adding clear phase guide holes on the spiral, the relative motion between the spiral blades and the drum is optimized, reducing the residence time of the liquid phase in the drum and improving the solid-liquid separation effect.
It significantly reduced the impurity content of the clarified liquid, improved the cleanliness of the solid phase, increased the throughput, reduced the sedimentation disturbance of the separated liquid flow on the material, and improved the separation effect.
Smart Images
Figure CN223475249U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of centrifuge technology, and in particular to a horizontal spiral sedimentation centrifuge. Background Technology
[0002] A horizontal spiral sedimentation centrifuge mainly consists of a high-speed rotating drum, a spiral rotating in the same direction as the drum but at a slightly higher or lower speed, and a differential gear. When the suspension to be separated enters the centrifuge drum, the high-speed rotating drum generates a strong centrifugal force that causes solid particles with a density greater than the liquid phase to settle onto the inner wall of the drum. Due to the different speeds of the spiral and the drum, there is relative motion between them. This relative motion pushes the solid phase deposited on the inner wall of the drum toward the outlet at the smaller end of the drum for discharge. The separated clear liquid is discharged from the outlet at the other end of the centrifuge.
[0003] The horizontal sedimentation screw discharge centrifuge consists of a high-speed rotating drum, a screw rotating in the same direction as the drum but at a slightly higher or lower speed, and a differential gear. The slag is pushed to the discharge port at the small end of the drum by the blades on the screw pusher, while the liquid phase overflows through the overflow hole at the large end of the drum. This cycle continues to achieve continuous separation and is mainly used in industry.
[0004] The horizontal settling screw centrifuge is equipped with a liquid outlet and a solid outlet. The current problem with the horizontal settling screw centrifuge is that although the solid and liquid are separated by centrifugation, the impurity content of the clear liquid discharged from the liquid outlet is still relatively high because there are suspended solids with a specific gravity less than that of the liquid in the liquid. Utility Model Content
[0005] The purpose of this invention is to at least solve one of the technical problems existing in the prior art, and to provide a horizontal spiral sedimentation centrifuge that can solve the problem that although the solid and liquid are separated by centrifugation, the impurity content of the clear liquid discharged from the outlet is still relatively high due to the presence of suspended matter with a specific gravity less than that of the liquid.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a horizontal spiral sedimentation centrifuge, comprising a centrifuge cylinder and a spiral sedimentation device; a feed pipe is rotatably connected inside the centrifuge cylinder; the spiral sedimentation device includes a rotating drum, spiral blades, a partition, a connecting rod, and a differential gear; the rotating drum is fixedly connected inside the centrifuge cylinder and rotatably sleeved on the surface of the feed pipe; a solid phase outlet is opened at the left end of the rotating drum, and a liquid phase outlet is opened at the right end of the rotating drum; a discharge port is opened on the surface of the feed pipe; the spiral blades are fixedly sleeved on the surface of the feed pipe, and the surface of the spiral blades is in contact with the inner wall of the rotating drum.
[0007] Preferably, two support frames are fixedly connected to the surface of the centrifuge cylinder, and a drive motor is fixedly installed inside the left support frame.
[0008] Preferably, a small pulley is fixedly connected to the output end of the drive motor, and a belt is connected to the surface of the small pulley.
[0009] Preferably, a large pulley is fixedly sleeved on the left end of the feed pipe, and the large pulley is connected to the belt.
[0010] Preferably, the partition is fixedly connected inside the centrifuge cylinder and is fixedly sleeved on the surface of the drum.
[0011] Preferably, the connecting rod is rotatably connected to the right end of the centrifuge cylinder, and the differential is installed at the right end of the connecting rod.
[0012] Compared with the prior art, the beneficial effects of the present invention are:
[0013] 1. This horizontal spiral sedimentation centrifuge, by extending the length of the drum sedimentation zone, achieves better centrifugation efficiency, allowing suspended solids with a specific gravity less than that of the liquid to be discharged, reducing the impurity content of the clarified liquid discharged from the solid phase outlet, resulting in a clearer liquid phase, a drier solid phase, and a larger processing capacity. The addition of clear phase guide holes on the spiral, the deepening of the liquid pool, and the lengthening of the straight drum can increase the settling time of the material. The addition of clear phase guide holes on the spiral reduces the residence time of the clear phase in the drum, making effective use of the drum space, while reducing the disturbance of the separated liquid flow to the settling of the material, significantly improving the clarification effect. Attached Figure Description
[0014] The present invention will be further described below with reference to the accompanying drawings and embodiments:
[0015] Figure 1 This is a schematic diagram of the overall structure of a horizontal spiral sedimentation centrifuge according to the present invention;
[0016] Figure 2 This is a schematic diagram of the left end structure of a horizontal spiral sedimentation centrifuge according to the present invention;
[0017] Figure 3 This is a schematic diagram of the bottom structure of a horizontal spiral sedimentation centrifuge according to the present invention;
[0018] Figure 4 This is a schematic diagram of the internal structure of the drum of this utility model.
[0019] Reference numerals in the attached diagram: 1. Centrifuge cylinder; 2. Support frame; 3. Drive motor; 4. Small pulley; 5. Belt; 6. Feed pipe; 7. Large pulley; 8. Rotary drum; 9. Solid phase outlet; 10. Liquid phase outlet; 11. Spiral blade; 12. Discharge port; 13. Baffle plate; 14. Connecting rod; 15. Differential gear. Detailed Implementation
[0020] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.
[0021] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0022] In the description of this utility model, terms such as greater than, less than, and exceeding are understood to exclude the stated number, while terms such as above, below, and within are understood to include the stated number. The use of terms like "first" and "second" is merely for distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the quantity or sequence of the indicated technical features.
[0023] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.
[0024] Please see Figure 1-4 This utility model provides a technical solution: a horizontal spiral sedimentation centrifuge, including a centrifuge cylinder 1 and a spiral sedimentation device. Two support frames 2 are fixedly connected to the surface of the centrifuge cylinder 1. A drive motor 3 is fixedly installed inside the left support frame 2. A small pulley 4 is fixedly connected to the output end of the drive motor 3. A belt 5 is connected to the surface of the small pulley 4. A feed pipe 6 is rotatably connected inside the centrifuge cylinder 1. A large pulley 7 is fixedly sleeved on the left end of the feed pipe 6. The large pulley 7 is connected to the belt 5.
[0025] The spiral sedimentation device includes a drum 8, spiral blades 11, a partition 13, a connecting rod 14, and a differential 15. The drum 8 is fixedly connected inside the centrifuge cylinder 1 and is rotatably sleeved on the surface of the feed pipe 6. A solid phase outlet 9 is opened at the left end of the drum 8, and a liquid phase outlet 10 is opened at the right end of the drum 8. A discharge port 12 is opened on the surface of the feed pipe 6. The spiral blades 11 are fixedly sleeved on the surface of the feed pipe 6, and the surface of the spiral blades 11 is in contact with the inner wall of the drum 8. The partition 13 is fixedly connected inside the centrifuge cylinder 1 and is fixedly sleeved on the surface of the drum 8. The connecting rod 14 is rotatably connected to the right end of the centrifuge cylinder 1, and the differential 15 is installed on the right end of the connecting rod 14.
[0026] The worker feeds the material into the feed pipe 6, which then enters the drum 8. After starting the drive motor 3, the output of the drive motor 3 rotates, causing the small pulley 4 to rotate. The rotation of the small pulley 4 drives the belt 5 to rotate, which in turn drives the large pulley 7 and the feed pipe 6 to rotate simultaneously. The rotation of the feed pipe 6 causes the spiral blades 11 to rotate, generating centrifugal force and separating the solid and liquid phases, which are then discharged from the discharge port 12 into the drum 8. Simultaneously, the rotation of the feed pipe 6 drives the spiral blades 11 to rotate, pushing the solid phase to the liquid phase discharge port 10 for discharge. The liquid phase then gradually moves to the left inside the drum 8. The solid phase overflows from the outlet 9, and this cycle continues to achieve continuous separation. By lengthening the settling zone of the drum 8, the centrifuge's processing effect is improved, allowing suspended solids with a specific gravity less than that of the liquid to be discharged, reducing the impurity content of the clarified liquid discharged from the solid phase outlet 9. The liquid phase is clearer, the solid phase is drier, and the processing capacity is larger. The addition of clear phase guide holes on the spiral, the deepening of the liquid pool, and the lengthening of the straight drum can increase the settling time of the material. The addition of clear phase guide holes on the spiral reduces the residence time of the clear phase in the drum, making effective use of the drum space, while reducing the disturbance of the separated liquid flow to the settling of the material, significantly improving the clarification effect.
[0027] Working principle: In this horizontal spiral sedimentation centrifuge, the operator feeds the material into the feed pipe 6, which then enters the drum 8. After starting the drive motor 3, the output of the drive motor 3 rotates, driving the small pulley 4 to rotate. The rotation of the small pulley 4 drives the belt 5 to rotate, which in turn drives the large pulley 7 and the feed pipe 6 to rotate simultaneously. The rotation of the feed pipe 6 drives the spiral blades 11 to rotate, generating centrifugal force and separating the solid and liquid phases, which are discharged from the discharge port 12 into the drum 8. At the same time, the rotation of the feed pipe 6 drives the spiral blades 11 to rotate, pushing the solid phase to the liquid phase discharge port 10 for discharge, while the liquid phase remains inside the drum 8. The material gradually moves to the left and overflows at the solid phase outlet 9, continuously circulating to achieve continuous separation. By lengthening the settling zone of the drum 8, the centrifuge's processing effect is improved, allowing suspended solids with a specific gravity less than that of the liquid to be discharged, reducing the impurity content of the clarified liquid discharged from the solid phase outlet 9. The liquid phase is clearer, the solid phase is drier, and the processing capacity is larger. Adding clear phase guide holes to the spiral, deepening the liquid pool, and lengthening the straight drum can increase the settling time of the material. Adding clear phase guide holes to the spiral reduces the residence time of the clear phase in the drum, making effective use of the drum space, while reducing the disturbance of the separated liquid flow to the settling of the material, significantly improving the clarification effect.
[0028] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.
Claims
1. A horizontal spiral sedimentation centrifuge, characterized in that, include: Centrifuge cylinder (1) and spiral sedimentation device; The centrifuge cylinder (1) is rotatably connected to a feed pipe (6); The spiral sedimentation device includes a drum (8), a spiral blade (11), a partition (13), a connecting rod (14), and a differential (15). The drum (8) is fixedly connected inside the centrifuge cylinder (1). The drum (8) is rotatably sleeved on the surface of the feed pipe (6). A solid phase outlet (9) is opened at the left end of the drum (8), and a liquid phase outlet (10) is opened at the right end of the drum (8). A discharge port (12) is opened on the surface of the feed pipe (6). The spiral blade (11) is fixedly sleeved on the surface of the feed pipe (6), and the surface of the spiral blade (11) is in contact with the inner wall of the drum (8).
2. A horizontal spiral sedimentation centrifuge according to claim 1, characterized in that: Two support frames (2) are fixedly connected to the surface of the centrifuge cylinder (1), and a drive motor (3) is fixedly installed inside the left support frame (2).
3. A horizontal spiral sedimentation centrifuge according to claim 2, characterized in that: The output end of the drive motor (3) is fixedly connected to a small pulley (4), and a belt (5) is connected to the surface of the small pulley (4).
4. A horizontal spiral sedimentation centrifuge according to claim 3, characterized in that: The left end of the feed pipe (6) is fixedly fitted with a large pulley (7), which is connected to the belt (5).
5. A horizontal spiral sedimentation centrifuge according to claim 1, characterized in that: The partition (13) is fixedly connected to the inside of the centrifuge cylinder (1) and is fixedly sleeved on the surface of the drum (8).
6. A horizontal spiral sedimentation centrifuge according to claim 1, characterized in that: The connecting rod (14) is rotatably connected to the right end of the centrifuge cylinder (1), and the differential (15) is installed on the right end of the connecting rod (14).