Horizontal screw centrifuge with adjustable blade angle

By designing the function of adjustable blade angle in the deflector centrifuge and adjusting the blade angle using bevel gear system, the problem that existing equipment cannot adapt to the forces of different materials is solved, extending the service life and improving stability.

CN222789463UActive Publication Date: 2025-04-25LIAONING WEIKESEN MASCH CO LTD
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Patent Information

Application Number
CN202421610050.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-09
Publication Date
2025-04-25
Estimated Expiration
2034-07-09

AI Technical Summary

Technical Problem

Due to the inability to adjust the blade angle of the existing deflector centrifuge, it cannot adapt to the generated forces when dealing with materials with different density, particle size and viscosity, which affects the service life.

Method used

A decanter centrifuge with adjustable blade angle is designed, which drives the bevel gear system to rotate by rotating the rotation shaft to achieve adjustment of the blade angle, thereby adapting to the forces of different materials.

Benefits of technology

By adjusting the blade angle, the service life of the equipment is extended and the stability and adaptability of the equipment when handling different materials are improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of solid-liquid separation equipment, and discloses a horizontal screw centrifuge with an adjustable blade angle, which comprises a barrel body, a rotary drum is arranged in the barrel body, one side of the rotary drum is fixedly connected with a dehydration section, the dehydration section and the far side of the outer wall of the rotary drum are respectively and rotatably connected to the two sides of the interior of the barrel body, and the rotary drum is fixedly connected with the dehydration section. An auger is fixedly connected to the outer side of the dewatering section, blades are fixedly connected to one end of a supporting rod, a first bevel gear is fixedly connected to the other end of the supporting rod, a rotating shaft is rotationally connected to the middle of the rotating drum, a second bevel gear is fixedly connected to the outer wall of the rotating shaft, and a pressing plate is fixedly connected to the other side of the rotating drum; and the rotating shaft is rotationally connected with the pressing plate. According to the utility model, the second bevel gear and the first bevel gear can be driven to rotate by rotating the rotating shaft, so that the supporting rod and the blades are driven to rotate, the purpose of adjusting the angles of the blades is achieved, the purpose of adapting to proper acting force can be achieved, and the service life is prolonged.
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Description

Technical Field

[0001] The utility model relates to the technical field of solid-liquid separation equipment, in particular to a horizontal screw centrifuge with adjustable blade angles. Background Art

[0002] The horizontal screw centrifuge is a kind of modern industrial equipment, which is mainly used for solid-liquid separation. Therefore, it is widely used in sewage treatment, chemical industry, food processing, pharmaceutical industry, oil and natural gas, as well as mining and mineral processing.

[0003] When the existing horizontal screw centrifuge is in use, the liquid is first poured into the interior of the device, and then the power assembly is driven to drive the drum to rotate. The liquid can be transported through the auger on the drum, and solid-liquid separation is achieved under the action of centrifugal force.

[0004] However, since the drum and the auger are fixed together, the angle cannot be adjusted, which will cause the existing horizontal screw centrifuge to be unable to adapt to the forces generated when separating materials of different densities, particle sizes and viscosities, thereby affecting the service life of the device. Therefore, a horizontal screw centrifuge with adjustable blade angle is proposed to solve the above problem. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a horizontal screw centrifuge with adjustable blade angle, aiming to improve the problem that the angle of the auger cannot be adjusted during use of the existing horizontal screw centrifuge, resulting in an inability to adapt to the forces generated by different materials, thereby reducing the service life.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a horizontal screw centrifuge with adjustable blade angle comprises a barrel body, a drum is installed inside the barrel body, a dehydration section is fixedly connected to one side of the drum, the dehydration section and the outer wall of the drum are rotatably connected to the inner two sides of the barrel body at the far sides, an auger is fixedly connected to the outer side of the dehydration section, a support rod is rotatably connected to the inside of the drum, one end of the support rod is fixedly connected to a blade, the other end of the support rod is fixedly connected to a first bevel gear, the middle part of the drum is rotatably connected to a rotating shaft, the outer wall of the rotating shaft is fixedly connected to a second bevel gear, the second bevel gear and the first bevel gear are meshingly connected, a pressure plate is fixedly connected to the other side of the drum, the rotating shaft and the pressure plate are rotatably connected, and a fixing component for locking the rotating shaft is installed on one side of the pressure plate.

[0007] As a further description of the above technical solution:

[0008] An opening for feeding is arranged on the other side of the dehydration section.

[0009] As a further description of the above technical solution:

[0010] The fixing assembly includes a fixing rod, the fixing rod is fixedly connected to a rotating shaft, one end of the fixing rod is provided with a bolt, the countersunk head of the bolt is slidably connected to the inside of the pressure plate, and one end of the bolt is threadedly connected to a nut.

[0011] As a further description of the above technical solution:

[0012] A groove is provided on one side of the pressing plate, and the countersunk head of the bolt is located inside the groove.

[0013] As a further description of the above technical solution:

[0014] The cross section of the groove is arranged to be a transverse T-shape, and one end of the rotating shaft is fixedly connected with a handle.

[0015] As a further description of the above technical solution:

[0016] A liquid discharge pipe and a slag discharge pipe are respectively installed on both sides of the bottom of the barrel body, a support leg is fixedly connected to the bottom of the barrel body, and a support plate is fixedly connected to the bottom of the support leg.

[0017] As a further description of the above technical solution:

[0018] The outer wall on the other side of the drum is fixedly connected with a gear ring, one side of the top surface of the support plate is fixedly connected with a motor, the output end of the motor is fixedly connected with a gear, and the gear and the gear ring are meshingly connected.

[0019] As a further description of the above technical solution:

[0020] A reducer is fixedly connected to the left side of the top surface of the support plate, the output end of the motor is fixedly connected to the bottom of one side of the reducer, and the gear is fixedly connected to the top of the reducer.

[0021] The utility model has the following beneficial effects:

[0022] 1. In the utility model, the second bevel gear can be driven to rotate by rotating the rotating shaft, and the first bevel gear can be driven to rotate by the second bevel gear. At this time, the first bevel gear can drive the support rod and the blade to rotate, thereby achieving the purpose of adjusting the blade angle, thereby achieving the purpose of adapting the appropriate force and extending the service life.

[0023] 2. In the present invention, the fixing rod can be moved by loosening the nut to drive the rotating shaft to rotate, thereby adjusting the angle of the blade. After the adjustment is completed, the nut is reversed to press against one side of the fixing rod. At this time, the position of the fixing rod can be locked, thereby fixing the rotating shaft to prevent it from rotating. Therefore, the stability of the operation of the device can be improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of the three-dimensional structure of the horizontal screw centrifuge with adjustable blade angle proposed by the utility model;

[0025] Figure 2 This is a schematic diagram of the internal structure of the barrel of the horizontal screw centrifuge with adjustable blade angle proposed by the utility model;

[0026] Figure 3 This is a schematic diagram of the structure of the blade portion of the horizontal screw centrifuge with adjustable blade angle proposed by the utility model;

[0027] Figure 4 This is a structural disassembly diagram of the pressure plate portion of the horizontal screw centrifuge with adjustable blade angle proposed by the utility model;

[0028] Figure 5 This is a front sectional view of the pressure plate of the horizontal screw centrifuge with adjustable blade angle proposed by the utility model.

[0029] Legend:

[0030] 1. Barrel body; 2. Drum; 3. Dewatering section; 4. Blades; 5. Auger; 6. Support rod; 7. First bevel gear; 8. Second bevel gear; 9. Rotating shaft; 10. Pressing plate; 11. Fixing rod; 12. Bolt; 13. Nut; 14. Groove; 15. Gear ring; 16. Motor; 17. Gear; 18. Reducer; 19. Drain pipe; 20. Slag discharge pipe; 21. Leg; 22. Support plate; 23. Handle. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the specification of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] Reference Figure 1 , Figure 2 and Figure 3The utility model provides an embodiment: a horizontal screw centrifuge with adjustable blade angle, comprising a barrel body 1, a drum 2 is installed inside the barrel body 1, a dehydration section 3 is fixedly connected to one side of the drum 2, the dehydration section 3 and the outer wall of the drum 2 are rotatably connected to the inner sides of the barrel body 1 respectively, an auger 5 is fixedly connected to the outer side of the dehydration section 3, a support rod 6 is rotatably connected to the inside of the drum 2, one end of the support rod 6 is fixedly connected to a blade 4, the other end of the support rod 6 is fixedly connected to a first bevel gear 7, a rotating shaft 9 is rotatably connected to the middle part of the drum 2, a second bevel gear 8 is fixedly connected to the outer wall of the rotating shaft 9, the second bevel gear 8 and the first bevel gear 7 are meshedly connected, a pressing plate 10 is fixedly connected to the other side of the drum 2, the rotating shaft 9 is rotatably connected to the pressing plate 10, and a fixing component for locking the rotating shaft 9 is installed on one side of the pressing plate 10.

[0033] When in use, first pour the liquid to be separated into the interior of the device from one side of the dehydration section 3, and drive the dehydration section 3 to rotate synchronously by rotating the drum 2, and then drive the blades 4 and the auger 5 to rotate synchronously, and under the action of centrifugal force, the solid-liquid separation of the liquid and the particles inside it is achieved, and the second bevel gear 8 can be driven to rotate by rotating the rotating shaft 9, and the first bevel gear 7 can be driven to rotate by the second bevel gear 8, and then the first bevel gear 7 can drive the support rod 6 and the blade 4 to rotate synchronously, and the purpose of adjusting the angle of the blade 4 can be achieved, thereby making it have different forces, thereby extending the service life.

[0034] Reference Figure 1 The other side of the dehydration section 3 is provided with an opening for feeding. A liquid discharge pipe 19 and a slag discharge pipe 20 are respectively installed on both sides of the bottom of the barrel body 1. A support leg 21 is fixedly connected to the bottom of the barrel body 1, and a support plate 22 is fixedly connected to the bottom of the support leg 21.

[0035] Liquid can be poured into the interior of the device through the opening, and the barrel body 1 can be supported by the support legs 21 and the support plate 22. After the solid and liquid are separated, the liquid can be discharged from the discharge pipe 19, and the solid waste can be discharged from the slag discharge pipe 20.

[0036] Reference Figure 1-Figure 5 The fixing assembly includes a fixing rod 11, the fixing rod 11 is fixedly connected to the rotating shaft 9, a bolt 12 is arranged at one end of the fixing rod 11, the countersunk head of the bolt 12 is slidably connected to the inside of the pressing plate 10, and a nut 13 is threadedly connected to one end of the bolt 12. A groove 14 is provided on one side of the pressing plate 10, and the countersunk head of the bolt 12 is located inside the groove 14. The cross section of the groove 14 is set to a transverse T-shape, and a handle 23 is fixedly connected to one end of the rotating shaft 9.

[0037] The nut 13 is rotated to separate it from the fixing rod 11. At this time, the rotating shaft 9 can be rotated to adjust the angle of the blade 4. By reversing the nut 13, one side of the nut 13 can be brought into contact with one side of the fixing rod 11. At this time, the fixing rod 11 can be tightened, and a pulling force can be applied to the countersunk head of the bolt 12. Then, the fixing rod 11 and the pressure plate 10 can be pressed together by the bolt 12 and the nut 13, and then the rotating shaft 9 can be locked to prevent it from rotating during the operation of the device.

[0038] Reference Figure 1 , Figure 2 , Figure 3 and Figure 4 The outer wall of the other side of the drum 2 is fixedly connected with a gear ring 15, and one side of the top surface of the support plate 22 is fixedly connected with a motor 16, and the output end of the motor 16 is fixedly connected with a gear 17, and the gear 17 is meshed with the gear ring 15. The left side of the top surface of the support plate 22 is fixedly connected with a reducer 18, and the output end of the motor 16 is fixedly connected to the bottom of one side of the reducer 18, and the gear 17 is fixedly connected to the top of the reducer 18.

[0039] The drive motor 16 can drive the reducer 18 to operate, and the reducer 18 can drive the gear 17 to rotate. At this time, the gear 17 can drive the gear ring 15 to rotate, and then the gear ring 15 can drive the drum 2 to rotate, thereby achieving the purpose of separating the liquid from the solid.

[0040] Working principle: When in use, pour the liquid to be separated into the interior of the device along the opening on the right side of the dehydration section 3, then the driving motor 16 drives the gear 17 to rotate, and the gear 17 drives the gear ring 15 to rotate. At this time, the gear ring 15 will drive the drum 2 and the dehydration section 3 to rotate at the same time, and the blades 4 and the auger 5 can be driven to rotate respectively through the rotation and dehydration section 3. Under the action of centrifugal force, water can be discharged from the drain pipe 19, and solid waste can be discharged from the slag discharge pipe 20. Before use, loosen the nut 13 to separate it from the fixed rod 11. At this time, the fixed rod 11 can be moved or The handle 23 drives the rotating shaft 9 to rotate, and the rotating shaft 9 can drive the second bevel gear 8 to rotate, and the second bevel gear 8 can drive the first bevel gear 7 to rotate. At this time, the first bevel gear 7 will drive the support rod 6 to rotate, and will also drive the blade 4 to rotate at the same time, thereby achieving the purpose of adjusting the angle of the blade 4. After the adjustment is completed, the nut 13 is reversed to press it against the outside of the fixing rod 11, and an outward pulling force is applied to the bearing head of the bolt 12, so that the fixing rod 11 and the pressure plate 10 can be pressed together to lock the rotating shaft 9 to prevent it from rotating during the operation of the device.

[0041] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A horizontal screw centrifuge with adjustable blade angle, comprising a barrel (1), characterized in that: A drum (2) is installed inside the barrel body (1), a dehydration section (3) is fixedly connected to one side of the drum (2), the dehydration section (3) and the outer wall of the drum (2) are rotatably connected to the inner sides of the barrel body (1) at the far sides, an auger (5) is fixedly connected to the outer side of the dehydration section (3), a support rod (6) is rotatably connected to the inside of the drum (2), one end of the support rod (6) is fixedly connected to a blade (4), the other end of the support rod (6) is fixedly connected to a first bevel gear (7), a rotating shaft (9) is rotatably connected to the middle part of the drum (2), a second bevel gear (8) is fixedly connected to the outer wall of the rotating shaft (9), the second bevel gear (8) and the first bevel gear (7) are meshingly connected, a pressing plate (10) is fixedly connected to the other side of the drum (2), the rotating shaft (9) and the pressing plate (10) are rotatably connected, and a fixing component for locking the rotating shaft (9) is installed on one side of the pressing plate (10).

2. The horizontal screw centrifuge with adjustable blade angle according to claim 1, characterized in that: The other side of the dehydration section (3) is provided with an opening for feeding.

3. The horizontal screw centrifuge with adjustable blade angle according to claim 1, characterized in that: The fixing assembly comprises a fixing rod (11), the fixing rod (11) is fixedly connected to the rotating shaft (9), one end of the fixing rod (11) is provided with a bolt (12), the countersunk head of the bolt (12) is slidably connected to the inside of the pressure plate (10), and one end of the bolt (12) is threadedly connected to a nut (13).

4. The horizontal screw centrifuge with adjustable blade angle according to claim 3, characterized in that: A groove (14) is provided on one side of the pressure plate (10), and the countersunk head of the bolt (12) is located inside the groove (14).

5. The horizontal screw centrifuge with adjustable blade angle according to claim 4, characterized in that: The cross section of the groove (14) is arranged in a transverse T-shape, and one end of the rotating shaft (9) is fixedly connected to a handle (23).

6. The horizontal screw centrifuge with adjustable blade angle according to claim 1, characterized in that: A liquid discharge pipe (19) and a slag discharge pipe (20) are respectively installed on both sides of the bottom of the barrel body (1); a support leg (21) is fixedly connected to the bottom of the barrel body (1); and a support plate (22) is fixedly connected to the bottom of the support leg (21).

7. The horizontal screw centrifuge with adjustable blade angle according to claim 6, characterized in that: A toothed ring (15) is fixedly connected to the outer wall of the other side of the rotating drum (2), a motor (16) is fixedly connected to one side of the top surface of the support plate (22), a gear (17) is fixedly connected to the output end of the motor (16), and the gear (17) and the toothed ring (15) are meshingly connected.

8. The horizontal screw centrifuge with adjustable blade angle according to claim 7, characterized in that: A reducer (18) is fixedly connected to the left side of the top surface of the support plate (22), the output end of the motor (16) is fixedly connected to the bottom of one side of the reducer (18), and the gear (17) is fixedly connected to the top of the reducer (18).

Citation Information

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