Device for extracting supernatant and settled solids from sedimentary centrifuge

Abstract

The utility model relates to the field of centrifugal sedimentation separation, in particular to a supernatant and sedimentation solid extraction device of a sedimentation centrifuge, which comprises a rack, a driving motor, a feeding pipe and a discharging pipe, and a centrifugal drum is connected to a driving shaft of the driving motor. The driving motor is started, the driving motor drives the centrifugal drum to rotate, after centrifugation is completed, the discharging pipe is used for extracting centrifuged supernate, after the supernate is extracted, the discharging pipe is moved, solid matter is extracted, the discharging pipe can transversely move in the vertical direction in the extraction process, and the solid matter can be extracted through the discharging pipe. According to the system, the liquid supernatant and the solid matter can be extracted, so that one set of system can extract the liquid supernatant and the solid matter, and the problems that two sets of systems are needed to extract the liquid supernatant and the solid matter in the related technology, and the extraction flexibility of the liquid supernatant and the solid matter is generally poor are solved to a certain extent.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of centrifugal sedimentation separation, in particular to a supernatant and sediment extraction device of a sedimentation centrifuge. BACKGROUND

[0002] In the process of centrifugal sedimentation, two products, i.e. supernatant (clear liquid) and sediment (solid or concentrated suspension), are usually obtained, and the centrifugal force generated by high-speed rotation separates the solid and liquid in the mixture. The solid material (with a larger density) is deposited on the inner wall of the centrifuge, and the liquid (with a smaller density) is gathered in the central area. In order to efficiently process the products after centrifugation, a special extraction device is usually provided to collect the supernatant and the sediment.

[0003] In the related art, for the extraction of supernatant and sediment, two systems are usually used to achieve this, one is a supernatant extraction system for guiding the liquid out, and the other is a sediment discharge system for guiding the solid out, and the two systems are usually arranged separately in the process of centrifugal sedimentation.

[0004] In the above related art, the separation accuracy and stability can be ensured to some extent, and the sediment can be quickly discharged. However, in the related art, two systems are needed to extract the supernatant and the sediment, and the extraction of the supernatant and the sediment is usually less flexible. CONTENT OF THE INVENTION

[0005] In order to solve the problem that two systems are needed to extract the supernatant and the sediment in the related art, and the extraction of the supernatant and the sediment is usually less flexible, the present application provides a supernatant and sediment extraction device of a sedimentation centrifuge.

[0006] The supernatant and sediment extraction device of the sedimentation centrifuge provided by the present application adopts the following technical scheme:

[0007] A supernatant and sediment extraction device of a sedimentation centrifuge, comprising:

[0008] A rack is provided with a cover on the rack;

[0009] A drive motor is arranged on the rack, and a centrifugal drum is connected to the drive shaft of the drive motor, and the centrifugal drum is located in the cover;

[0010] A feed pipe is inserted into the cover;

[0011] A discharge pipe is inserted into the cover, and the feed pipe and the discharge pipe are both hard pipes, and the discharge pipe can move relative to the cover.

[0012] By adopting the technical scheme, the extraction device is combined with the rack, the driving motor, the feeding pipe and the discharging pipe, so that when the supernatant and the settled solid are extracted, the material to be centrifuged is first introduced through the feeding pipe, then the driving motor is started to drive the centrifugal drum on the driving motor to rotate, when the centrifugal process is completed, the rotating speed of the driving motor is reduced to the supernatant recovery rotating speed, the supernatant is extracted through the discharging pipe, after the supernatant is collected, the rotating speed of the driving motor is reduced to the solid recovery rotating speed, and the discharging pipe is moved to collect the solid, the horizontal movement and the hammer movement are alternately performed until the solid is collected, which solves the problem in the prior art that two sets of systems are needed to extract the supernatant and the solid, and the extraction of the supernatant and the solid is usually poor in flexibility.

[0013] Optionally, the centrifugal drum comprises an inclined section, a horizontal section, a vertical section and an extension section, one end of the inclined section is connected with the driving shaft of the driving motor, the other end extends obliquely towards the rack and is fixedly connected with the horizontal section, the horizontal section extends horizontally and is fixedly connected with the vertical section, the vertical section extends vertically upwards and is fixedly connected with the extension section, and the extension section extends towards the driving shaft of the driving motor and is arranged in parallel with the horizontal section.

[0014] By adopting the technical scheme, the multi-section structure helps to form suitable fluid flow conditions in different areas and improve the solid-liquid separation efficiency.

[0015] Optionally, a plurality of centrifugal drums are arranged, and the plurality of centrifugal drums are uniformly distributed around the driving shaft of the driving motor.

[0016] By adopting the technical scheme, the plurality of centrifugal drums work in parallel, which significantly improves the processing capacity and is suitable for large-scale continuous production.

[0017] Optionally, an adjusting plate set and a discharging adjusting mechanism are arranged on the cover body, the adjusting plate set comprises a first adjusting plate and a second adjusting plate, the first adjusting plate is fixedly connected to the cover body, the second adjusting plate is slidably connected to the first adjusting plate, the discharging pipe is movably connected to the second adjusting plate, and the discharging adjusting mechanism comprises a longitudinal adjusting assembly and a transverse adjusting assembly.

[0018] By adopting the technical scheme, the position of the discharging pipe is flexibly controlled through the adjusting assembly, and the accurate extraction of different separated materials is ensured.

[0019] Optionally, the longitudinal adjusting assembly comprises a longitudinal adjusting screw, a longitudinal adjusting limiting piece and a longitudinal adjusting moving block, the longitudinal adjusting screw is threadedly connected to the longitudinal adjusting moving block, the longitudinal adjusting limiting piece limits the longitudinal adjusting screw, and the discharging pipe is arranged on the longitudinal adjusting moving block.

[0020] By adopting the technical scheme, the longitudinal adjusting assembly is arranged as a combination of a longitudinal adjusting screw, a longitudinal adjusting limiting piece and a longitudinal adjusting moving block, so that longitudinal adjustment of the discharge pipe is realized.

[0021] Optionally, the lateral adjusting assembly comprises a lateral adjusting screw, a lateral adjusting limiting piece and a lateral adjusting moving block, the lateral adjusting screw is threadedly connected with the lateral adjusting moving block, the lateral adjusting limiting piece limits the lateral adjusting screw, and the lateral adjusting moving block is arranged on the second adjusting plate.

[0022] By adopting the technical scheme, the lateral adjusting assembly is arranged as a combination of a lateral adjusting screw, a lateral adjusting limiting piece and a lateral adjusting moving block, so that lateral adjustment of the discharge pipe is realized.

[0023] Optionally, the longitudinal adjusting screw and the lateral adjusting screw are both provided with a rotating handle.

[0024] By adopting the technical scheme, the convenience of operation is improved.

[0025] Optionally, the rack is further fixedly connected with a damping buffer footing.

[0026] By adopting the technical scheme, the damping buffer footing absorbs vibration during equipment operation, reduces noise and mechanical impact.

[0027] In summary, the present application has at least one of the following beneficial technical effects:

[0028] 1. By arranging the present application as a combination of a rack, a driving motor, a feeding pipe and a discharge pipe, the present application can extract supernatant and settled solid with one system, and solves the problem in the related art that two systems are needed to extract supernatant and settled solid, and the extraction of supernatant and settled solid is usually not flexible;

[0029] 2. The longitudinal adjusting assembly can drive the discharge pipe to move longitudinally, and the lateral adjusting assembly can drive the discharge pipe to move laterally, so that the settled solid can be effectively extracted in a full range.

[0030] 3. The damping buffer footing absorbs vibration during equipment operation, reduces noise and mechanical impact, improves the practical stability of the present application, and also improves the service life of the device. BRIEF DESCRIPTION OF DRAWINGS

[0031] Figure 1 is a whole structure schematic view of a supernatant and settled solid extraction device of a sedimentation centrifuge according to an embodiment of the present application.

[0032] Figure 2 is Figure 1 is

[0033] BRIEF DESCRIPTION OF DRAWINGS

[0034] 1, frame; 2, cover; 3, drive motor; 4, centrifugal drum; 41, inclined section; 42, horizontal section; 43, vertical section; 44, extension section; 5, feeding pipe; 6, discharging pipe; 7, adjusting plate set; 71, first adjusting plate; 72, second adjusting plate; 8, discharging adjusting mechanism; 81, longitudinal adjusting assembly; 811, longitudinal adjusting screw; 812, longitudinal adjusting limiting piece; 813, longitudinal adjusting moving block; 82, transverse adjusting assembly; 821, transverse adjusting screw; 822, transverse adjusting limiting piece; 823, transverse adjusting moving block; 9, rotating handle; 10, damping type buffer foot. DETAILED DESCRIPTION

[0035] The above description is made in connection with the accompanying drawings. Figures 1-2 The application is described in further detail.

[0036] The application discloses a supernatant and sediment extraction device of a sedimentation centrifuge.

[0037] It should be noted that in the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0038] With reference to Figure 1 and Figure 2 A supernatant and sediment extraction device of a sedimentation centrifuge includes a frame 1, a drive motor 3, a feeding pipe 5, and a discharging pipe 6, and a centrifugal drum 4 is connected to the drive shaft of the drive motor 3. When centrifugal sedimentation is to be performed, first, the feeding pipe 5 is used to introduce the material to be centrifuged, the drive motor 3 is started, the drive motor 3 drives the centrifugal drum 4 to rotate, after centrifugation is completed, the discharging pipe 6 is used to extract the supernatant, after the supernatant is extracted, the position of the discharging pipe 6 is moved to extract the solid, and the discharging pipe 6 can be moved vertically and transversely during the extraction, so that one system can extract the supernatant and the solid. The present application solves the problem that two systems are needed to extract the supernatant and the solid in the related art, and the flexibility of the extraction of the supernatant and the solid is poor.

[0039] Specifically, the rack 1 is provided with a cover 2. The cover 2 and the rack 1 can be collectively regarded as a container for containing the solution to be centrifuged. The rack 1 is further provided with a driving motor 3, and a centrifugal drum 4 is connected to the driving shaft of the driving motor 3 and located in the cover 2.

[0040] Further, the rack 1 is further fixedly connected with a damping type buffer footing 10.

[0041] The damping type buffer footing 10 absorbs the vibration during the operation of the equipment, reduces the noise and mechanical impact.

[0042] Further, regarding the centrifugal drum 4, the centrifugal drum 4 includes an inclined section 41, a horizontal section 42, a vertical section 43 and an extension section 44. One end of the inclined section 41 is connected to the driving shaft of the driving motor 3, the other end extends obliquely towards the rack 1, and is fixedly connected with the horizontal section 42. The horizontal section 42 extends horizontally, and is fixedly connected with the vertical section 43. The vertical section 43 extends vertically upwards, and is fixedly connected with the extension section 44. The extension section 44 extends towards the driving shaft of the driving motor 3 and is arranged in parallel with the horizontal section 42.

[0043] The multi-section structure helps to form suitable fluid flow conditions in different areas, improves the solid-liquid separation efficiency, the combination of the inclined, horizontal and vertical sections 43 optimizes the centrifugal force distribution, reduces the vibration problem during the operation of the equipment, and the parallel design of the extension section 44 and the horizontal section 42 saves space and facilitates the overall arrangement of the equipment.

[0044] At the same time, a plurality of centrifugal drums 4 are arranged, and the plurality of centrifugal drums 4 are uniformly distributed around the driving shaft of the driving motor 3.

[0045] The plurality of drums work in parallel, significantly improving the processing capacity, being suitable for large-scale continuous production, uniformly distributing the eccentric force, reducing the vibration and mechanical stress during operation, and prolonging the service life of the equipment.

[0046] Specifically, the cover 2 is provided with a feeding pipe 5 and a discharging pipe 6. The feeding pipe 5 and the discharging pipe 6 are both hard pipes, and the discharging pipe 6 can move relative to the cover 2. Regarding the feeding pipe 5 and the discharging pipe 6, the combination of the hard pipe and the soft pipe in the embodiment of the present application, the position in contact with the cover 2 is the hard pipe, and the position connected with the device for extraction is the soft pipe.

[0047] Further, the cover 2 is provided with an adjusting plate group 7 and a discharging adjusting mechanism 8. The adjusting plate group 7 includes a first adjusting plate 71 and a second adjusting plate 72. The first adjusting plate 71 is fixedly connected to the cover 2, and the second adjusting plate 72 is slidably connected to the first adjusting plate 71. The discharging pipe 6 is movably connected to the second adjusting plate 72. The discharging adjusting mechanism 8 includes a longitudinal adjusting assembly 81 and a transverse adjusting assembly 82.

[0048] By adjusting the assembly, the position of the discharge pipe 6 is flexibly controlled, accurate extraction of different separated substances is ensured, different working conditions and materials are suitable for processing, and the applicability of the equipment is improved.

[0049] Further, the longitudinal adjusting assembly 81 comprises a longitudinal adjusting screw 811, a longitudinal adjusting limiting piece 812 and a longitudinal adjusting moving block 813. The longitudinal adjusting screw 811 is threadedly connected with the longitudinal adjusting moving block 813, and the longitudinal adjusting limiting piece 812 limits the longitudinal adjusting screw 811. The discharge pipe 6 is arranged on the longitudinal adjusting moving block 813. In the adjusting process, the longitudinal adjusting screw 811 is rotated to drive the longitudinal adjusting moving block 813 to move, and under the action of the longitudinal adjusting limiting piece 812, the longitudinal adjusting screw 811 can only rotate. As for how to limit, a longitudinal adjusting limiting block is arranged on the longitudinal adjusting screw 811, and a limiting groove is formed in the longitudinal adjusting limiting piece 812, which is easy for those skilled in the art to understand.

[0050] The longitudinal adjusting assembly 81 is arranged in the combination of the longitudinal adjusting screw 811, the longitudinal adjusting limiting piece 812 and the longitudinal adjusting moving block 813, so that the longitudinal adjustment of the discharge pipe 6 is realized.

[0051] Further, the transverse adjusting assembly 82 comprises a transverse adjusting screw 821, a transverse adjusting limiting piece 822 and a transverse adjusting moving block 823. The transverse adjusting screw 821 is threadedly connected with the transverse adjusting moving block 823, and the transverse adjusting limiting piece 822 limits the transverse adjusting screw 821. The transverse adjusting moving block 823 is arranged on the second adjusting plate 72. In the adjusting process, the transverse adjusting screw 821 is rotated to drive the transverse adjusting moving block 823 to move. The transverse adjusting moving block 823 is fixedly connected with the second adjusting plate 72 or is integrally formed, so that the second adjusting plate 72 moves together, and the discharge pipe 6 also moves together. As for how to limit, the limiting principle of the transverse adjusting screw 821 and the transverse adjusting limiting block is the same as that of the longitudinal adjusting screw 811 and the longitudinal adjusting limiting block, and thus excessive description is not given.

[0052] The transverse adjusting assembly 82 is arranged in the combination of the transverse adjusting screw 821, the transverse adjusting limiting piece 822 and the transverse adjusting moving block 823, so that the transverse adjustment of the discharge pipe 6 is realized.

[0053] At the same time, the longitudinal adjusting screw 811 and the transverse adjusting screw 821 are both provided with a rotating handle 9.

[0054] By adopting the above technical scheme, the convenience of operation is improved.

[0055] The implementation principle of the supernatant and sediment solid extraction device of the sedimentation centrifuge is that the extraction device is provided as a combination of the rack 1, the driving motor 3, the feeding pipe 5 and the discharging pipe 6, so that when the supernatant and the sediment solid are extracted, the material to be centrifuged is first introduced through the feeding pipe 5, and then the driving motor 3 is started to drive the centrifugal drum 4 on the driving motor 3 to rotate, when the centrifugal process is completed, the rotating speed of the driving motor 3 is reduced to the supernatant recovery rotating speed, the supernatant is extracted by using the discharging pipe 6, after the supernatant is collected, the rotating speed of the driving motor 3 is reduced to the solid recovery rotating speed, and the discharging pipe 6 is moved to collect the solid, the horizontal movement and the hammer movement are alternately performed until the solid is collected, and the problem that two sets of systems are needed to extract the supernatant and the solid in the related art and the extraction of the supernatant and the solid is usually poor in flexibility is solved to a certain extent.

[0056] The above are preferred embodiments of the present application, and are not intended to limit the protection scope of the present application, therefore: any equivalent changes made on the structure, shape and principle of the present application should be covered within the protection scope of the present application.

Claims

1. A supernatant and sediment extraction device for a decanter centrifuge, characterized in that, Include: Frame (1), the frame (1) is provided with a cover (2); Drive motor (3), provided on the frame (1), the drive shaft of the drive motor (3) is connected with centrifugal drum (4), the centrifugal drum (4) is located in the cover (2); Feed pipe (5), inserted in the cover (2); Discharge pipe (6), inserted in the cover (2), the feed pipe (5) and the discharge pipe (6) are hard pipe, the discharge pipe (6) can move relative to the cover (2).

2. A supernatant and sediment extraction device for a decanter centrifuge according to claim 1, characterized in that The centrifugal drum (4) includes inclined section (41), horizontal section (42), vertical section (43) and extension section (44), one end of the inclined section (41) is connected with the drive shaft of the drive motor (3), the other end extends obliquely towards the frame (1), and is fixedly connected with the horizontal section (42), the horizontal section (42) extends horizontally, and is fixedly connected with the vertical section (43), the vertical section (43) extends vertically upwards, and is fixedly connected with the extension section (44), the extension section (44) extends towards the drive shaft of the drive motor (3) and is arranged in parallel with the horizontal section (42).

3. A supernatant and sediment extraction device for a decanter centrifuge according to claim 2, characterized in that The centrifugal drum (4) is provided with a plurality of, a plurality of the centrifugal drum (4) is uniformly distributed around the drive shaft of the drive motor (3).

4. A supernatant and sediment extraction device for a decanter centrifuge according to claim 1, wherein The cover (2) is provided with an adjusting plate group (7) and a discharge adjusting mechanism (8), the adjusting plate group (7) includes first adjusting plate (71) and second adjusting plate (72), the first adjusting plate (71) is fixedly connected on the cover (2), the second adjusting plate (72) is slidably connected with the first adjusting plate (71), the discharge pipe (6) is movably connected on the second adjusting plate (72), the discharge adjusting mechanism (8) includes longitudinal adjusting assembly (81) and transverse adjusting assembly (82).

5. A supernatant and sediment extraction device for a decanter centrifuge according to claim 4, wherein The longitudinal adjusting assembly (81) includes longitudinal adjusting screw (811), longitudinal adjusting limit piece (812), longitudinal adjusting moving block (813), the longitudinal adjusting screw (811) is threadedly connected with the longitudinal adjusting moving block (813), the longitudinal adjusting limit piece (812) limits the longitudinal adjusting screw (811), the discharge pipe (6) is arranged on the longitudinal adjusting moving block (813).

6. A supernatant and sediment extraction device for a decanter centrifuge according to claim 5, wherein The transverse adjusting assembly (82) includes transverse adjusting screw (821), transverse adjusting limit piece (822), transverse adjusting moving block (823), the transverse adjusting screw (821) is threadedly connected with the transverse adjusting moving block (823), the transverse adjusting limit piece (822) limits the transverse adjusting screw (821), and the transverse adjusting moving block (823) is arranged on the second adjusting plate (72).

7. A supernatant and sediment extraction device for a decanter centrifuge according to claim 6, characterized in that The longitudinal adjusting screw (811) and the transverse adjusting screw (821) are provided with rotating handle (9).

8. A supernatant and sediment extraction device for a decanter centrifuge according to claim 1, wherein The frame (1) is further fixedly connected with damping type buffer foot (10).

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