CN221132695U - Tubular centrifuge - Google Patents

Abstract

The utility model provides a tubular centrifuge, which comprises a frame; the rotary drum is vertically and rotatably arranged on the frame, and an accommodating chamber with an opening at the top end is arranged in the rotary drum; the driving device is arranged on the frame and used for driving the rotary drum to rotate; the water receiving device is fixedly arranged at the top of the frame, is communicated with the opening of the accommodating chamber and is used for receiving the supernatant separated from the accommodating chamber; the upper end of the infusion tube is vertically and fixedly arranged on the water receiving device, and the lower end of the infusion tube is inserted into the accommodating cavity and extends to the inner bottom surface of the accommodating cavity; according to the algae centrifugal machine disclosed by the utility model, the infusion tube is fixedly connected with the water receiving device, the infusion tube is in clearance fit with the rotary drum, and the whole algae centrifugal machine does not need to be provided with a sealing structure between the infusion tube and the rotary drum, so that the risk of leakage at the joint of the rotary drum and the infusion tube is avoided, and algae attachments on the inner side wall of the accommodating chamber can be oscillated and separated through the ultrasonic generating device, so that more algae fall into the inner bottom surface of the accommodating chamber, and the algae are convenient to collect.

Description

Tubular centrifuge

Technical Field

The utility model relates to the technical field of centrifugal separation equipment, in particular to a tubular centrifuge.

Background

Algae separation is generally to centrifugally concentrate a mixed solution containing algae in a tube centrifuge, and the separation principle of the algae in the tube centrifuge is as follows: the motor drives a tubular rotary drum to rotate at a high speed, algae mixed liquid enters from a liquid inlet at the bottom of the rotary drum, algae particles with higher density rapidly settle at the bottom of the inner side of the rotary drum under the action of centrifugal force, clarified liquid is led out from a clarified liquid outlet upwards under the action of the centrifugal force of the rotary drum, solid-liquid separation is realized, and settled algae are collected at the bottom of the rotary drum.

In the prior art, an infusion tube is arranged at the central axis of the bottom of a rotary drum, and algae mixed liquid is injected into the rotary drum through the infusion tube, so that the rotary drum keeps rotating at a high speed in the liquid injection process, and liquid injection and separation are carried out simultaneously. In addition, in the liquid injection process, the infusion tube is required to be guaranteed not to rotate along with the rotary tube, and then the pipeline for conveying the algae mixed liquid and the infusion tube are not rotated after being connected, and as the rotary tube rotates around the infusion tube, a dynamic sealing structure is required to be arranged between the rotary tube and the infusion tube, however, the dynamic sealing structure is more complex in design, and particularly in the high-speed rotation process of the rotary tube, the sealing performance between the infusion tube and the rotary tube is difficult to guarantee, and therefore leakage risks cannot be effectively avoided.

In addition, in the process of rotating the algae mixed liquor at a high speed in the rotary drum, separated algae particles are easy to adhere to the inner side wall of the rotary drum, and are difficult to precipitate to the bottom in the rotary drum, so that algae collection is difficult.

Disclosure of utility model

In view of the above, the utility model provides a tube centrifuge to solve the problems that the dynamic sealing connection is adopted between the rotary drum and the infusion tube in the conventional tube centrifuge, the sealing performance cannot be ensured, the risk of leakage at the connection position of the rotary drum and the infusion tube easily occurs, and the separated algae concentrate easily adheres to the inner wall of the rotary drum, so that algae collection is difficult.

The technical scheme of the utility model is realized as follows:

the utility model provides a tube centrifuge, comprising:

A frame;

The rotary drum is vertically and rotatably arranged on the frame, and an accommodating chamber with an opening at the top end is arranged in the rotary drum;

The driving device is arranged on the frame and used for driving the rotary drum to rotate;

The water receiving device is fixedly arranged at the top of the frame, is communicated with the opening of the accommodating chamber and is used for receiving the supernatant separated from the accommodating chamber;

the upper end of the infusion tube is vertically and fixedly arranged on the water receiving device, and the lower end of the infusion tube is inserted into the accommodating cavity and extends to the inner bottom surface of the accommodating cavity;

the ultrasonic wave generating device is fixedly arranged on the frame and connected with the outer wall of the rotary drum and used for vibrating and separating algae attachments on the inner side wall of the accommodating chamber.

On the basis of the technical scheme, preferably, the rack comprises a base and a support frame fixedly arranged on the base, the rotary drum comprises a drum body and a first rotating part fixedly arranged at the top end of the drum body, the lower end of the drum body is rotationally connected with the base, the first rotating part penetrates through the top end of the support frame and is rotationally connected with the support frame, the accommodating cavity is arranged in the drum body, a channel communicated with the accommodating cavity is arranged at the axis line of the first rotating part, the water receiving device is fixedly arranged at the top end of the support frame and is communicated with the channel, and the lower end of the infusion tube penetrates through the channel and extends to the inner bottom surface of the accommodating cavity.

On the basis of the technical scheme, preferably, the water receiving device comprises a water receiving disc and a sealing cover, wherein the water receiving disc is fixedly arranged on the top surface of the supporting frame, a storage cavity with an open top is formed in the water receiving disc, the sealing cover is fixedly arranged at the open top of the water receiving disc, the upper end of the infusion tube penetrates through the sealing cover and is fixedly connected with the sealing cover, a drain pipe communicated with the storage cavity is arranged on the outer wall of the water receiving disc, a mounting hole communicated with the storage cavity is formed in the center of the bottom surface of the water receiving disc, and the first rotating part upwards penetrates through the mounting hole, and the channel is communicated with the storage cavity.

Further, preferably, the inner bottom surface of the accommodating cavity has a first guide surface inclined upward toward the center of the mounting hole.

Still further, preferably, a guide sleeve is further disposed between the mounting hole and the first rotating portion, the guide sleeve is fixedly connected with the first rotating portion in a sealing manner, a through hole connected with the channel is formed in the central axis of the guide sleeve, the guide sleeve is in clearance fit with the mounting hole, an annular flange is arranged at the edge of the top end of the guide sleeve, and the annular flange extends to the position above the first guide surface.

Preferably, the water receiving device further comprises a vent pipe, the vent pipe is vertically and fixedly arranged on the sealing cover, and the lower end of the vent pipe penetrates through the sealing cover and is communicated with the containing cavity.

On the basis of the above technical solution, preferably, the top surface in the accommodating chamber is upward protruded to form a second guiding surface with a conical structure, and the bottom surface in the accommodating chamber is downward protruded to form a third guiding surface with a conical structure.

On the basis of the technical scheme, preferably, the ultrasonic generating device comprises a mounting seat, an arc-shaped plate, an ultrasonic generator, a guide assembly and a translation assembly;

the mounting seat is fixedly arranged on the base, and the cylinder body movably passes through the mounting seat;

The two groups of arc plates are symmetrically arranged and are respectively and vertically positioned at two sides of the radial direction of the cylinder body, the inner diameter of the arc plates is matched with the outer diameter of the cylinder body, the two groups of arc plates can relatively translate along the mounting seat, and the two free ends of the two groups of arc plates are respectively provided with a flange;

The ultrasonic generator is arranged inside the arc-shaped plate;

The translation assembly comprises a speed reducing motor, a linkage shaft, a bevel gear pair and a bidirectional threaded screw rod, wherein two bidirectional threaded screw rods are symmetrically arranged and are respectively positioned at one side of the two groups of arc plates close to the flange, the flanges at the same side of the two groups of arc plates are respectively in threaded connection with one bidirectional threaded screw rod, the linkage shaft is connected with the speed reducing motor, and two ends of the linkage shaft are respectively connected with the bidirectional threaded screw rod through the bevel gear pair;

The guide assembly comprises a guide rod and a rotating seat, the rotating seat is respectively arranged at two ends of the bidirectional threaded screw rod and fixedly connected with the mounting seat, the guide rod horizontally penetrates through flanges on the two groups of arc plates and is rotationally connected with the rotating seat, and two ends of the bidirectional threaded screw rod are respectively rotationally connected with the rotating seat. On the basis of the technical scheme, preferably, a plurality of rib plates are fixedly arranged on the inner wall of the cylinder body at equal intervals around the axial lead of the cylinder body, gaps are reserved between the vertical side walls of the rib plates and the infusion tube, a supporting sleeve is fixedly arranged between the lower ends of the vertical side walls of the rib plates, and the infusion tube is inserted into the supporting sleeve.

On the basis of the technical scheme, preferably, the bottom of the cylinder is fixedly provided with a second rotating part along the axial direction of the cylinder, the second rotating part is rotationally connected with the base, the driving device comprises a motor, a driving wheel, a driven wheel and a transmission belt, the motor is fixedly arranged on the base, an output shaft of the motor is fixedly connected with the driving wheel, the driven wheel is fixedly connected with the second rotating part, and the driving wheel is in transmission connection with the driven wheel through the transmission belt.

Compared with the prior art, the utility model has the following beneficial effects:

(1) According to the algae centrifugal machine disclosed by the utility model, the infusion tube passes through the water receiving device and is inserted into the rotary drum from top to bottom, the infusion tube is fixedly connected with the water receiving device, the infusion tube is in clearance fit with the rotary drum, algae mixed liquid can be injected into the accommodating cavity from the top end of the infusion tube, in the centrifugal process, separated clear liquid upwards enters the water receiving device from the clearance between the infusion tube and the rotary drum, algae concentrate is deposited on the inner bottom surface of the accommodating cavity, and a sealing structure is not required to be arranged between the infusion tube and the rotary drum, so that the leakage risk of the joint of the rotary drum and the infusion tube is avoided; the ultrasonic wave is released by the ultrasonic wave generating device to act on the side wall of the rotary drum, so that algae attachments on the inner side wall of the accommodating chamber are oscillated to separate, more algae separated from the inner wall of the rotary drum fall into the inner bottom surface of the accommodating chamber, and finally, algae are conveniently collected through the infusion tube, so that the collection quantity of algae concentrate after the separation of algae mixed liquid is improved, and further, the algae separation efficiency is improved;

(2) Through the first guide surface that sets up upward slope towards the mounting hole center at accomodating the intracavity bottom surface, can realize that the clear liquid flows into accomodating the chamber along first guide surface, is blocked by the first guide surface of slope setting, avoids the clear liquid overflow.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic perspective view of a tube centrifuge according to the present utility model;

FIG. 2 is a top view of a tube centrifuge provided by the present utility model;

FIG. 3 is a plan cross-sectional view taken at A-A of FIG. 2;

fig. 4 is a schematic perspective view of an ultrasonic wave generating device according to the present utility model;

reference numerals:

1. A frame; 2. a rotating drum; 3. a driving device; 4. a water receiving device; 5. an infusion tube; 6. an ultrasonic wave generating device; 11. a base; 12. a support frame; 21. a cylinder; 20. a receiving chamber; 22. a first rotating part; 23. a second rotating part; 220. a channel; 201. a second guide surface; 202. a third guide surface; 211. rib plates; 212. a support sleeve; 41. a water receiving tray; 42. a cover; 43. a ventilation pipe; 411. a storage chamber; 412. a drain pipe; 413. a mounting hole; 4111. a first guide surface; 61. a mounting base; 62. an ultrasonic generator; 63. an arc-shaped plate; 631. a flange; 65. a guide assembly; 66. a translation assembly; 661. a speed reducing motor; 662. a linkage shaft; 663. bevel gear pair; 664. a two-way threaded screw; 651. a guide rod; 652. a rotating seat; 7. a diversion sleeve; 71. a through hole; 72. an annular flange; 31. a motor; 32. a driving wheel; 33. driven wheel; 34. a driving belt.

Detailed Description

The following description of the embodiments of the present utility model will clearly and fully describe the technical aspects of the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, are intended to fall within the scope of the present utility model.

As shown in fig. 1, in combination with fig. 2 to 3, an embodiment of the present utility model discloses a tube centrifuge, which comprises a frame 1, a drum 2, a driving device 3, a water receiving device 4, a transfusion tube 5 and an ultrasonic wave generating device 6.

The rotary drum 2 is vertically and rotatably arranged on the frame 1, and a containing cavity 20 with an open top end is arranged in the rotary drum 2, and the containing cavity 20 is used for containing algae mixed liquor.

The driving device 3 is arranged on the frame 1 and is used for driving the rotary drum 2 to do high-speed rotary motion around the axis line of the rotary drum 2 in the vertical direction so as to centrifuge the algae mixed liquid in the rotary drum 2, so that clear liquid in the mixed liquid is thrown upwards, and algae concentrate in the mixed liquid is deposited, thereby realizing the collection of the algae concentrate.

The water receiving device 4 is fixedly arranged at the top of the frame 1 and is communicated with the opening of the accommodating chamber 20, and the clear liquid in the accommodating chamber 20 is thrown upwards and enters the water receiving device 4 in the high-speed centrifugal process of the rotary drum 2, so that solid-liquid separation is realized.

The upper end of the infusion tube 5 is vertically and fixedly arranged on the water receiving device 4, and the lower end of the infusion tube is inserted into the accommodating chamber 20 and extends towards the inner bottom surface of the accommodating chamber 20.

From this setting, transfer line 5 and water receiving device 4 remain motionless, only rotary drum 2 rotates for frame 1, rotary drum 2 revolves around transfer line 5 simultaneously, can let in algae mixed liquor to holding cavity 20 through transfer line 5, in rotary drum 2 high-speed gyration in-process, the clear solution after centrifugation in the holding cavity 20 upwards enters into water receiving device 4 by the clearance between transfer line 5 and the holding cavity 20, thereby realize that the clear solution after the separation is collected by water receiving device 4, the algae concentrate after the separation deposits at holding cavity 20 internal bottom surface, the algae concentrate in the holding cavity 20 is pumped out to the rethread transfer line 5 at last, obtain collecting.

According to the algae centrifugal machine disclosed by the utility model, the infusion tube 5 passes through the water receiving device 4 and is inserted into the rotary drum 2 from top to bottom, the infusion tube 5 is fixedly connected with the water receiving device 4, clearance fit is realized between the infusion tube 5 and the rotary drum 2, algae mixed liquor can be injected into the accommodating cavity 20 from the top end of the infusion tube 5, separated clear liquid upwards enters the water receiving device 4 from the clearance between the infusion tube 5 and the rotary drum 2 in the centrifugal process, algae concentrate is deposited on the inner bottom surface of the accommodating cavity 20, and a sealing structure is not required to be arranged between the infusion tube 5 and the rotary drum 2 in the whole algae centrifugal machine, so that the leakage risk of the joint of the rotary drum 2 and the infusion tube 5 is avoided.

During centrifugation, the algae concentrate will adhere to the inner side wall of the bowl 2 and cannot slide down to the inner bottom surface of the receiving chamber 20, so that the amount of algae concentrate finally collected is reduced.

Therefore, this implementation is through setting up ultrasonic generator 6 on frame 1, and ultrasonic generator 6 is connected with rotary drum 2 outer wall, release the ultrasonic wave through ultrasonic generator 6 and act on rotary drum 2 lateral wall to vibrate the algae attachment on the accommodation cavity 20 inside wall and break away from, make the algae that rotary drum 2 inner wall break away from more fall into accommodation cavity 20 interior bottom surface, conveniently collect the algae through transfer line 5 at last, after improving the separation of algae mixed solution, algae concentrate collection quantity, and then improve algae separation efficiency.

In order to realize the vertical rotation connection of the rotary drum 2 on the frame 1, in this embodiment, the frame 1 is configured to include a base 11 and a supporting frame 12 fixedly disposed on the base 11, meanwhile, the structure of the rotary drum 2 is configured, specifically, referring to fig. 3, the rotary drum 2 includes a cylinder 21 and a first rotating portion 22 fixedly disposed at the top end of the cylinder 21, the lower end of the cylinder 21 is rotationally connected with the base 11, the first rotating portion 22 passes through the top end of the supporting frame 12 and is rotationally connected with the supporting frame 12, the first rotating portion 22 is rotationally connected with the supporting frame 12 through a bearing, a containing chamber 20 is disposed in the cylinder 21, a channel 220 communicating with the containing chamber 20 is disposed at the axial lead of the first rotating portion 22, a water receiving device 4 is fixedly disposed at the top end of the supporting frame 12 and is communicated with the channel 220, and the lower end of the infusion tube 5 passes through the channel 220 and extends toward the inner bottom surface of the containing chamber 20.

In the present embodiment, the first rotating portion 22 is an axial section extending from the axial direction of the cylinder 21, and the diameter of the first rotating portion 22 is smaller than the outer diameter of the cylinder 21, so that the first rotating portion 22 is convenient to pass through the support frame 12 to be rotatably connected with the support frame 12.

The outer diameter of the infusion tube 5 is smaller than the inner diameter of the channel 220, and therefore, the infusion tube 5 vertically passes through the channel 220 and enters the accommodating chamber 20, a gap is formed between the infusion tube 5 and the channel 220, the infusion tube 5 is in clearance fit with the rotary drum 2, and centrifugal separation clear liquid can pass upwards through the gap, so that the liquid can enter the water receiving device 4, and separation and collection of the clear liquid are realized.

In order to realize that the water receiving device 4 collects the separated clear liquid, this embodiment shows a preferred embodiment of the water receiving device 4, specifically, the water receiving device 4 includes a water receiving tray 41 and a sealing cover 42, the water receiving tray 41 is fixedly arranged on the top surface of the support frame 12, a storage cavity 411 with a top opening is formed in the water receiving tray 41, the sealing cover 42 is fixedly arranged at the top opening of the water receiving tray 41, the upper end of the infusion tube 5 penetrates through the sealing cover 42 and is fixedly connected with the sealing cover 42, the water receiving tray 41 and the sealing cover 42 are in split type arrangement, the infusion tube 5 is conveniently mounted on the sealing cover 42 in advance, the sealing cover 42 is fixedly connected with the water receiving tray 41, and the infusion tube 5 is in sealing connection with the sealing cover 42.

The outer wall of the water pan 41 is provided with a drain pipe 412 communicated with the accommodating cavity 411, a mounting hole 413 communicated with the accommodating cavity 411 is formed in the center of the bottom surface of the water pan 41, the first rotating part 22 upwards penetrates through the mounting hole 413, and the channel 220 is communicated with the accommodating cavity 411. By adopting the technical scheme, in the centrifugation process, the separated clear liquid is thrown upwards from the gap between the infusion tube 5 and the channel 220, enters the containing cavity 411, and is finally discharged through the drain pipe 412.

As some preferred embodiments, the inner bottom surface of the accommodating cavity 411 has a first guiding surface 4111 inclined upwards towards the center of the mounting hole 413, so that the clear liquid flowing upwards from the gap between the infusion tube 5 and the channel 220 can flow downwards into the accommodating cavity 411 along the first guiding surface 4111 and be timely discharged by the drain pipe 412, and meanwhile, the clear liquid in the accommodating cavity 411 can be blocked by the first guiding surface 4111 to avoid overflow of the clear liquid.

Because the water pan 41 is fixedly connected with the support frame 12, the first rotating part 22 passes through the mounting hole 413 on the water pan 41 and is in clearance fit with the mounting hole 413, after the clear liquid is thrown upwards by the clearance between the channel 220 and the infusion tube 5, the clear liquid can fall into the joint of the first rotating part 22 and the water pan 41 under the action of gravity, so that leakage along the joint is avoided, and if leakage is avoided, a dynamic sealing structure is needed between the first rotating part 22 and the mounting hole 413, so that the whole structure becomes complex.

For this reason, the following technical solution is adopted in this embodiment to solve the above-mentioned problem, specifically, a guide sleeve 7 is further disposed between the mounting hole 413 and the first rotating portion 22, the guide sleeve 7 is fixedly connected with the first rotating portion 22 in a sealing manner, specifically, the guide sleeve 7 is disposed between the mounting hole 413 and the first rotating portion 22, the guide sleeve 7 is sleeved on the outer side of the first rotating portion 22 and is in sealing connection with the first rotating portion 22, a through hole 71 connected with the channel 220 is formed at the central axis of the guide sleeve 7, the guide sleeve 7 is in clearance fit with the mounting hole 413, an annular flange 72 is formed at the top edge of the guide sleeve 7, and the annular flange 72 extends to above the first guide surface 4111.

The clear liquid flowing upward from the gap between the infusion tube 5 and the channel 220 and the through hole 71 flows into the top end of the diversion sleeve 7, flows along the annular flange 72 to the circumference, flows downwards onto the first diversion surface 4111, flows into the containing cavity 411 along the first diversion surface 4111, is discharged through the drain pipe 412, and can be smoothly guided into the containing cavity 411 through the arrangement of the diversion sleeve 7 and the first diversion surface 4111, so that the clear liquid is prevented from leaking between the first rotating part 22 and the mounting hole 413.

As some other embodiments, when the algae mixed liquid is introduced into the accommodating chamber 20 through the infusion tube 5, air inside the drum 2 needs to be expelled from the drum 2, so as to avoid the mixed liquid from being unable to enter the accommodating chamber 20 due to internal and external pressure difference, and therefore, the water receiving device 4 further includes a gas permeable tube 43, the gas permeable tube 43 is vertically and fixedly arranged on the cover 42, and the lower end of the gas permeable tube 43 passes through the cover 42 and is communicated with the accommodating cavity 411. With this arrangement, air inside the drum 2 passes upward through the passage 220 into the receiving chamber 411 and is discharged from the ventilation tube 43.

As some preferred embodiments, the second guiding surface 201 with a conical structure is formed by protruding upward from the inner top surface of the accommodating chamber 20, so that when the drum 2 rotates at a high speed, the algae mixed liquid in the accommodating chamber 20 is thrown upward to the inner top surface of the accommodating chamber 20 under the action of centrifugal force, and the clear liquid is guided into the gap between the infusion tube 5 and the channel 220 by the second guiding surface 201 by tilting upward through the second guiding surface 201, moves upward along the gap, enters the water receiving device 4, and is discharged by the water receiving device 4.

The third diversion surface 202 with the conical structure is formed by downwards sinking the inner bottom surface of the accommodating chamber 20, so that the algae mixed liquor in the accommodating chamber 20 is arranged, algae belong to particulate matters under the action of centrifugal force, the weight is large, the algae mixed liquor is positioned on the side wall of the lower end of the barrel 21 under the action of the centrifugal force, and finally the algae concentrated liquor slides to the inner bottom surface of the accommodating chamber 20 through the third diversion surface 202, so that the algae concentrated liquor can be conveniently sucked and collected through the infusion tube 5.

In order to separate algae on the inner wall of the barrel 21 by vibration, referring to fig. 4, a preferred embodiment of an ultrasonic wave generating device is shown in this embodiment, and specifically, the ultrasonic wave generating device includes a mounting seat 61, an arc 63, an ultrasonic wave generator 62, a guide assembly 65 and a translation assembly 66.

Wherein, mount pad 61 is fixed to be set up on the base, and barrel activity passes mount pad 61.

The arc 63 symmetry is provided with two sets of, and vertical being located the barrel radial direction both sides respectively, and the internal diameter of arc 63 and the external diameter looks adaptation of barrel, supersonic generator 62 set up inside arc 63, and two sets of arcs 63 can follow mount pad 61 relative translation, and two free ends of two sets of arcs 63 are provided with flange 631 respectively, are convenient for be connected with translation subassembly 66 and direction subassembly 65 below. In this embodiment, when the rotary drum rotates, the two groups of arc plates 63 are separated from each other and do not contact with the drum, after the centrifugal operation of the rotary drum is completed, the two groups of arc plates 63 are close to the outer wall of the drum, so that the inner wall of the arc plates 63 is attached to the outer wall of the drum, and at this time, ultrasonic waves can be emitted to the drum through the ultrasonic generator 62, so that the algae attachment on the inner wall of the drum is oscillated and separated.

In order to realize that the two groups of arc plates 63 can translate synchronously and relatively, the embodiment is realized by a translation assembly 66, and in particular, a preferred translation mode structure is shown.

The translation assembly 66 comprises a gear motor 661, a linkage shaft 662, a bevel gear pair 663 and a bidirectional threaded lead screw 664, wherein the bidirectional threaded lead screw 664 is symmetrically provided with two arc plates 63 which are respectively positioned at one side of the two arc plates 63 close to the flange 631, the flanges 631 at the same side of the two arc plates 63 are respectively connected with the bidirectional threaded lead screw 664 in a threaded manner, the linkage shaft 662 is connected with the gear motor 661, and two ends of the linkage shaft 662 are respectively connected with the bidirectional threaded lead screw 664 through the bevel gear pair 663.

By adopting the technical scheme, the gear motor 661 drives the linkage shaft 662 to rotate, two ends of the linkage shaft 662 drive the bidirectional screw rods 664 to rotate respectively through the bevel gear pair 663, the bidirectional screw rods 664 drive the two groups of arc plates 63 to translate relatively through the flanges 631, two groups of threads with different directions are arranged on the bidirectional screw rods 664 and are connected with the flanges 631 on the two groups of arc plates 63 respectively, so that when the bidirectional screw rods 664 rotate positively and negatively, the two groups of arc plates 63 can be synchronously driven to be relatively close to or relatively separated, when the rotary drum rotates, the two groups of arc plates 63 are separated, the ultrasonic generator 62 does not transmit ultrasonic waves, and when the rotary drum completes centrifugal operation, the two groups of arc plates 63 are close to the rotary drum, so that ultrasonic waves are applied to the alga on the inner wall of the rotary drum, the alga on the inner wall of the drum body is oscillated to be separated and fall into the bottom surface of the accommodating chamber, and the alga is conveniently taken out.

In order to realize stable translation of the two groups of arc plates 63, the present embodiment is realized by the guide assembly 65, specifically, the guide assembly 65 includes a guide rod 651 and a rotating seat 652, the rotating seat 652 is respectively disposed at two ends of the bidirectional threaded screw 664, and is fixedly connected with the mounting seat 61, the guide rod 651 horizontally passes through flanges 631 on the two groups of arc plates 63 and is rotationally connected with the rotating seat 652, and two ends of the bidirectional threaded screw 664 are respectively rotationally connected with the rotating seat 652. The two groups of arc plates 63 can translate relative to the guide rod 651 during translation, so that linear movement of the arc plates 63 is guaranteed, and rotation bearing points can be provided for two ends of the bidirectional threaded screw rod 664 through the rotation seat 652.

Because the size of the infusion tube 5 is longer, the infusion tube 5 is only fixed by the upper end of the infusion tube and the sealing cover 42 of the water receiving device 4, the lower end of the infusion tube is inserted into the rotary drum 2, and because the rotary drum 2 can vibrate in the high-speed rotation process, the vibration is transmitted to the water receiving device 4 through the supporting frame 12, and further the lower end of the infusion tube 5 can vibrate to cause swinging, and the long-time swinging can cause the infusion tube 5 to be fixed on the sealing cover 42 insecurely.

For this reason, the present embodiment is improved by the following technology, specifically, in this embodiment, a plurality of rib plates 211 are fixedly disposed on the inner wall of the cylinder 21 at equal intervals around the axis line, a support sleeve 212 is fixedly disposed between the lower ends of the vertical side walls of the plurality of rib plates 211, and the infusion tube 5 is inserted into the support sleeve 212.

By adopting the technical scheme, the supporting sleeve 212 is positioned at the central axis of the cylinder 21 and is fixed with the inner wall of the cylinder 21 through the rib plates 211, after the infusion tube 5 is inserted into the supporting sleeve 212, the supporting sleeve 212 can rotate around the infusion tube 5 in the rotating process of the rotary cylinder 2, so that the lower end of the infusion tube 5 is circumferentially limited, and the swing phenomenon caused by vibration of the lower end of the infusion tube 5 is avoided.

Notably, the vertical side walls of the rib 211 have a gap to the tube 5, which allows the supernatant to move upward through the gap during centrifugation, and thus continue to flow upward through the channel 220 in the second rotating portion 23.

The bottom of the cylinder 21 is fixedly provided with a second rotating part 23 along the axial direction thereof, the second rotating part 23 is rotationally connected with the base 11, the second rotating part 23 is convenient to pass through the base 11 and rotationally connected with the base 11 through a bearing through the arrangement of the second rotating part 23, in the embodiment, the second rotating part 23 and the first rotating part 22 are respectively shaft sections extending along the axial direction of the cylinder 21, so that a rotational connection relationship is conveniently established with the frame 1.

The driving device 3 comprises a motor 31, a driving wheel 32, a driven wheel 33 and a transmission belt 34, wherein the motor 31 is fixedly arranged on the base 11, an output shaft of the motor 31 is fixedly connected with the driving wheel 32, the driven wheel 33 is fixedly connected with the second rotating part 23, and the driving wheel 32 and the driven wheel 33 are in transmission connection through the transmission belt 34. The motor 31 drives the driving wheel 32 to rotate, the driving wheel 32 drives the driven wheel 33 to rotate through the transmission belt 34, and the driven wheel 33 drives the second rotating part 23 to rotate, so that the whole rotary drum 2 rotates at a high speed.

The working principle of the utility model is as follows:

The rotary drum 2 is driven to rotate around the axis of the rotary drum in the vertical direction by the driving device 3, algae mixed liquid is continuously injected into the accommodating chamber 20 through the upper end of the infusion tube 5, under the action of high-speed centrifugal force of the rotary drum 2, the centrifuged clear liquid in the accommodating chamber 20 is upwards fed into the water receiving device 4 through a gap between the infusion tube 5 and the accommodating chamber 20, so that separated clear liquid is collected by the water receiving disc 41 and discharged through the drain tube 412, separated algae concentrate is deposited on the inner bottom surface of the accommodating chamber 20, and finally the algae concentrate in the accommodating chamber 20 is sucked out through the infusion tube 5 to be collected. The ultrasonic wave is released by the ultrasonic wave generating device 6 to act on the side wall of the rotary drum 2, so that algae attachments on the inner side wall of the accommodating chamber 20 are oscillated to be separated, more algae separated from the inner wall of the rotary drum 2 fall into the inner bottom surface of the accommodating chamber 20, and finally the algae are conveniently collected by the infusion tube 5.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (10)

1. A tube centrifuge, comprising:

A frame (1);

the rotary drum (2) is vertically and rotatably arranged on the frame (1), and an accommodating chamber (20) with an opening at the top end is arranged in the rotary drum (2);

The driving device (3) is arranged on the frame (1) and is used for driving the rotary drum (2) to rotate;

The water receiving device (4) is fixedly arranged at the top of the frame (1) and communicated with the opening of the accommodating chamber (20) and is used for receiving the supernatant separated from the accommodating chamber (20);

The upper end of the infusion tube (5) is vertically and fixedly arranged on the water receiving device (4), and the lower end of the infusion tube is inserted into the accommodating cavity (20) and extends towards the inner bottom surface of the accommodating cavity (20);

The ultrasonic wave generating device (6) is fixedly arranged on the frame (1) and connected with the outer wall of the rotary drum (2) and is used for vibrating and separating algae attachments on the inner side wall of the accommodating cavity (20).

2. The tube centrifuge of claim 1, wherein: the frame (1) comprises a base (11) and a support frame (12) fixedly arranged on the base (11), the rotary drum (2) comprises a drum body (21) and a first rotating part (22) fixedly arranged at the top end of the drum body (21), the lower end of the drum body (21) is rotationally connected with the base (11), the first rotating part (22) penetrates through the top end of the support frame (12) and is rotationally connected with the support frame (12), the accommodating cavity (20) is arranged in the drum body (21), a channel (220) communicated with the accommodating cavity (20) is arranged at the axial lead of the first rotating part (22), the water receiving device (4) is fixedly arranged at the top end of the support frame (12) and is communicated with the channel (220), and the lower end of the infusion tube (5) penetrates through the channel (220) and extends to the inner bottom surface of the accommodating cavity (20).

3. The tube centrifuge of claim 2, wherein: the water collector (4) includes water collector (41) and closing cap (42), water collector (41) are fixed to be set up in support frame (12) top surface, have open-top accomodate chamber (411) on water collector (41), closing cap (42) are fixed to set up the open-top department of water collector (41), and the upper end of transfer line (5) passes closing cap (42) and with its fixed connection, water collector (41) outer wall have with accomodate drain pipe (412) that chamber (411) are linked together, water collector (41) bottom surface center department seted up with accomodate mounting hole (413) that chamber (411) are linked together, upwards pass in first rotation portion (22) mounting hole (413), just passageway (220) are linked together with accomodate chamber (411).

4. A tube centrifuge as defined in claim 3, wherein: the inner bottom surface of the accommodating cavity (411) is provided with a first guide surface (4111) which is inclined upwards towards the center of the mounting hole (413).

5. The tube centrifuge of claim 4, wherein: the installation hole (413) and the first rotating part (22) are also provided with a guide sleeve (7), the guide sleeve (7) is fixedly connected with the first rotating part (22) in a sealing way, a through hole (71) connected with a channel (220) is formed in the central axis of the guide sleeve (7), the guide sleeve (7) is in clearance fit with the installation hole (413), an annular flange (72) is arranged at the edge of the top end of the guide sleeve (7), and the annular flange (72) extends to the upper part of the first guide surface (4111).

6. A tube centrifuge as defined in claim 3, wherein: the water receiving device (4) further comprises a vent pipe (43), the vent pipe (43) is vertically and fixedly arranged on the sealing cover (42), and the lower end of the vent pipe (43) penetrates through the sealing cover (42) and is communicated with the containing cavity (411).

7. The tube centrifuge of claim 2, wherein: the inner top surface of the cylinder body (21) is provided with a second guide surface (201) with a conical structure in an upward protruding mode, and the inner bottom surface of the cylinder body (21) is provided with a third guide surface (202) with a conical structure in a downward sinking mode.

8. The tube centrifuge of claim 2 or 7, wherein: the ultrasonic wave generating device (6) comprises a mounting seat (61), an arc-shaped plate (63), an ultrasonic wave generator (62), a guide assembly (65) and a translation assembly (66);

The mounting seat (61) is fixedly arranged on the base, and the cylinder body movably penetrates through the mounting seat (61);

the two groups of arc plates (63) are symmetrically arranged and are respectively and vertically positioned at two sides of the radial direction of the cylinder body, the inner diameter of the arc plates (63) is matched with the outer diameter of the cylinder body, the two groups of arc plates (63) can relatively translate along the mounting seat (61), the two free ends of the two groups of arc plates (63) are respectively provided with a flange (631), and the ultrasonic generator (62) is arranged inside the arc plates (63);

The translation assembly (66) comprises a gear motor (661), a linkage shaft (662), a bevel gear pair (663) and two bidirectional threaded screws (664), wherein the two bidirectional threaded screws (664) are symmetrically arranged and are respectively positioned on one side, close to the flange (631), of the two groups of arc plates (63), the flange (631) on the same side of the two groups of arc plates (63) is respectively in threaded connection with the two bidirectional threaded screws (664), the linkage shaft (662) is connected with the gear motor (661), and two ends of the linkage shaft (662) are respectively connected with the two bidirectional threaded screws (664) through the bevel gear pair (663);

The guide assembly (65) comprises a guide rod (651) and a rotating seat (652), the rotating seat (652) is respectively arranged at two ends of the bidirectional threaded screw rod (664) and fixedly connected with the mounting seat (61), the guide rod (651) horizontally penetrates through flanges (631) on the two groups of arc plates (63) and is rotationally connected with the rotating seat (652), and two ends of the bidirectional threaded screw rod (664) are respectively rotationally connected with the rotating seat (652).

9. The tube centrifuge of claim 2, wherein: a plurality of rib plates (211) are fixedly arranged on the inner wall of the cylinder body (21) at equal intervals around the axial lead of the cylinder body, gaps are reserved between the vertical side walls of the rib plates (211) and the infusion tube (5), a supporting sleeve (212) is fixedly arranged between the lower ends of the vertical side walls of the rib plates (211), and the infusion tube (5) is inserted into the supporting sleeve (212).

10. The tube centrifuge of claim 2, wherein: the utility model discloses a barrel, including barrel (21), barrel, base (11), motor (31), action wheel (32), driven wheel (33) and drive belt (34) are drawn together to barrel (21) bottom along its axial direction fixed second rotation portion (23), and second rotation portion (23) are connected with base (11) rotation, drive arrangement (3) are including motor (31), action wheel (32), follow driving wheel (33) and drive belt (34), motor (31) fixed setting is on base (11), and the output shaft and the action wheel (32) fixed connection of motor (31), follow driving wheel (33) and second rotation portion (23) fixed connection, pass through drive belt (34) transmission connection between action wheel (32) and the follow driving wheel (33).