CN221085999U - Tubular centrifuge - Google Patents

Abstract

The utility model proposes 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. 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 leakage risk of 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 scraped by arranging the scraper device in the accommodating chamber, and the algae separation and collection efficiency is improved.

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 further the leakage risk 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 scraper device is positioned in the accommodating chamber and fixedly connected with the outer wall of the infusion tube, and is used for scraping the 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 drum cover fixedly arranged on the top end of the drum body, the bottom end of the drum body is rotationally connected with the base, the top end of the drum cover 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 on the drum cover, the water receiving device is fixedly arranged on the top end of the support frame and 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.

Further, preferably, a first rotating part is fixedly arranged at the center of the top end of the cylinder cover, the channel penetrates through the first rotating part, the first rotating part upwards penetrates through the supporting frame and is rotationally connected with the supporting frame, the water receiving device comprises a water receiving disc and a sealing cover, the water receiving disc is fixedly arranged on the top surface of the supporting frame, a containing cavity with an open top is formed in the water receiving disc, the sealing cover is fixedly arranged at the top opening 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 containing cavity is arranged on the outer wall of the water receiving disc, a mounting hole communicated with the containing cavity is formed in the center of the bottom surface of the water receiving disc, the first rotating part upwards penetrates through the mounting hole, and the channel is communicated with the containing 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.

On the basis of the technical scheme, preferably, the scraper device comprises a fixed sleeve and a scraper, the fixed sleeve is fixedly arranged on the outer wall of the infusion tube, the scraper is provided with a plurality of scrapers, the scrapers are vertically arranged at equal intervals around the axial lead of the cylinder, the other side of the scraper is contacted with the inner side wall of the accommodating cavity, and the bottom surface of the scraper is contacted with at least one part of the inner bottom surface of the accommodating cavity.

Further, preferably, the scraper is provided with a liquid guide hole.

Still further, preferably, the bottom surface of the cylinder cover has a second guiding surface formed by recessing, and the bottom surface in the cylinder body has a third guiding surface formed by recessing.

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, and the diameters of the first rotating part and the second rotating part are smaller than the diameter of the cylinder.

Preferably, the driving device comprises a motor, a driving wheel, a driven wheel and a transmission belt, wherein 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 scraper device is arranged in the accommodating chamber and is fixedly connected with the outer wall of the infusion tube, and in the process of high-speed rotation of the rotary drum, the scraper device can scrape algae attachments on the inner side wall of the accommodating chamber, so that more separated algae fall into the inner bottom surface of the accommodating chamber, the algae can be conveniently and finally collected through the infusion tube, the collection quantity of algae concentrate after the separation of algae mixed liquid is improved, and the separation and collection efficiency of algae is further improved;

(2) The first guide surface which is inclined upwards towards the center of the mounting hole is arranged on the inner bottom surface of the storage cavity, so that the clear liquid can flow into the storage cavity along the first guide surface, and the inclined first guide surface is used for blocking so as to avoid overflow of the clear liquid;

(3) Through the setting of water conservancy diversion cover and first water conservancy diversion face, can make the clear liquid of separation smoothly guide into to receive in the chamber, avoid the clear liquid to reveal between first rotating part and mounting hole.

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 half cross-sectional view of a tube centrifuge of the present disclosure;

reference numerals:

1. A frame; 2. a rotating drum; 20. a receiving chamber; 3. a driving device; 4. a water receiving device; 5. an infusion tube; 6. a scraper device; 11. a base; 12. a support frame; 21. a cylinder; 22. a cylinder cover; 220. a channel; 221. a first rotating part; 41. a water receiving tray; 42. a cover; 411. a storage chamber; 412. a drain pipe; 413. a mounting hole; 4111. a first guide surface; 7. a guide sleeve; 71. a through hole; 72. an annular flange; 61. a fixed sleeve; 62. a scraper; 621. a liquid guiding hole; 222. a second guide surface; 210. a third guide surface; 211. a second rotating part; 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 4, 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 a scraper 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.

The tubular centrifuge disclosed in this embodiment is through passing water receiving device 4 from top to bottom in inserting rotary drum 2 with transfer line 5 to make transfer line 5 and water receiving device 4 fixed connection, clearance fit between transfer line 5 and the rotary drum 2, algae mixed liquor can be injected into holding cavity 20 by transfer line 5 top, centrifugal in-process, the clear solution of separation upwards enters into water receiving device 4 from the clearance between transfer line 5 and the rotary drum 2, algae concentrate deposits at holding cavity 20 inner bottom surface, whole algae centrifuge need not to set up seal structure between transfer line 5 and rotary drum 2, thereby avoided rotary drum 2 and transfer line 5 junction to reveal the risk.

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, in this embodiment, the scraper device 6 is disposed in the accommodating chamber 20, and the scraper device 6 is fixedly connected with the outer wall of the infusion tube 5, so that the scraper device 6 and the infusion tube 5 keep the positions motionless in the process of rotating the drum 2 at high speed, and the scraper device 6 can scrape the algae attachments on the inner side wall of the accommodating chamber 20, so that the separated algae can fall into the inner bottom surface of the accommodating chamber 20 more, and finally the algae can be collected conveniently through the infusion tube 5, so that the collection quantity of the algae concentrate is increased after the separation of the algae mixed solution is improved, and the separation and collection efficiency of the algae is further improved.

In order to realize that rotary drum 2 is vertically rotated on frame 1 and is connected, this embodiment sets up frame 1 to including base 11 and fixed support frame 12 that sets up on base 11, simultaneously, set up the structure of rotary drum 2, and specifically, rotary drum 2 includes barrel 21 and fixed cover 22 that sets up in barrel 21 top, fixes through bolted connection mode between cover 22 and the barrel 21, split type connection between cover 22 and the barrel 21, conveniently installs scraper device 6 in barrel 21.

In this embodiment, the bottom end of the cylinder 21 is rotatably connected with the base 11, the top end of the cylinder cover 22 is rotatably connected with the support frame 12, the accommodating chamber 20 is disposed in the cylinder 21, the cylinder cover 22 is provided with a channel 220 communicated with the accommodating chamber 20, the water receiving device 4 is fixedly disposed 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 passes through the channel 220 and extends toward the inner bottom surface of the accommodating chamber 20.

In the above embodiment, the outer diameter of the infusion tube 5 is smaller than the inner diameter of the channel 220, and thus, the infusion tube 5 vertically passes through the channel 220 and enters the accommodating chamber 20, so that a gap is formed between the infusion tube 5 and the channel 220, and a gap fit is formed between the infusion tube 5 and the drum 2, and the gap can allow the centrifugally separated clear liquid to pass upwards, so that the clear liquid enters 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 can effectively collect the separated clear liquid at the top end of the rotary drum 2, the following technical scheme is provided in the embodiment. Specifically, referring to fig. 3 and 4, a first rotating portion 221 is fixedly disposed at the center of the top end of the cylinder cover 22, the channel 220 penetrates through the first rotating portion 221, the first rotating portion 221 penetrates through the support frame 12 upwards and is rotationally connected with the support frame 12, in this embodiment, the diameter of the first rotating portion 221 is smaller than that of the cylinder cover 22, and thus, by arranging the first rotating portion 221 to be in a shaft structure, the first rotating portion can easily penetrate through the support frame 12, and the excessive volume of the support frame 12 is avoided.

The water receiving device 4 comprises a water receiving disc 41 and a sealing cover 42, wherein the water receiving disc 41 is fixedly arranged on the top surface of the supporting frame 12, a containing cavity 411 with an opening at the top is formed in the water receiving disc 41, the sealing cover 42 is fixedly arranged at the opening at the top of the water receiving disc 41, the upper end of the infusion tube 5 penetrates through the sealing cover 42 and is fixedly connected with the sealing cover, in the embodiment, the sealing cover 42 and the water receiving disc 41 are detachably connected, the infusion tube 5 is conveniently and pre-installed on the sealing cover 42, and then the infusion tube 5 penetrates through the water receiving disc 41 and the channel 220 and is inserted into the inner bottom surface of the containing cavity 20. The outer wall of the water pan 41 is provided with a drain pipe 412 communicated with the containing cavity 411, a mounting hole 413 communicated with the containing cavity 411 is formed in the center of the bottom surface of the water pan 41, the first rotating part 221 upwards penetrates through the mounting hole 413, the first rotating part 221 is in clearance fit with the mounting hole 413, and the channel 220 is communicated with the containing 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 receiving cavity 411 has a first guiding surface 4111 inclined upward toward the center of the mounting hole 413. Therefore, the clear liquid flowing upwards from the gap between the infusion tube 5 and the channel 220 can flow downwards into the containing cavity 411 along the first diversion surface 4111 and is timely discharged by the drain pipe 412, and the clear liquid in the containing cavity 411 can be blocked by the obliquely arranged first diversion surface 4111, so that overflow of the clear liquid is avoided.

Because the water pan 41 is fixedly connected with the support frame 12, the first rotating part 221 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 gap between the channel 220 and the infusion tube 5, the clear liquid can fall into the joint of the first rotating part 221 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 221 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 problem, specifically, a guide sleeve 7 is further disposed between the mounting hole 413 and the first rotating portion 221, the guide sleeve 7 is fixedly connected with the first rotating portion 221 in a sealing manner, a through hole 71 connected with the channel 220 is provided 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 provided at the top edge of the guide sleeve 7, and the annular flange 72 extends above the first guiding 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, 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 and the first diversion surface 4111, so that the clear liquid is prevented from leaking between the first rotating part 221 and the mounting hole 413.

In order to achieve that the algae concentrate attached to the inner wall of the barrel 21 can slide down to the inner bottom surface of the barrel 21 to be collected during the algae centrifugation, the embodiment shows a preferred embodiment of the scraper device 6, specifically, the scraper device 6 includes a fixing sleeve 61 and a scraper 62, the fixing sleeve 61 is fixedly arranged on the outer wall of the infusion tube 5, the scraper 62 is provided with a plurality of scrapers 62 vertically arranged at equal intervals around the axial line of the barrel 21, one side of the scraper 62 is fixedly connected with the fixing sleeve 61, the other side of the scraper 62 contacts with the inner side wall of the accommodating chamber 20, and the bottom surface of the scraper 62 contacts with at least a part of the inner bottom surface of the accommodating chamber 20.

From this setting, a plurality of scrapers 62 carry out fixed connection through fixed cover 61 and transfer line 5 outer wall, at the in-process of rotary drum 2 high-speed rotation, scraper device 6 and transfer line 5 remain the position motionless, can realize scraping the algae attachment on the holding cavity 20 inside wall of scraper 62, thereby make the algae after the separation fall into holding cavity 20 interior bottom surface more, scraper 62 can scrape the attached algae of holding cavity interior bottom surface and inside wall junction simultaneously, make the algae fall into holding cavity interior bottom surface bottom as much as possible, 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.

As some preferred embodiments, the scraper 62 is provided with the liquid guide hole 621, so that the mixed algae liquid can pass through the liquid guide hole 621 in the centrifugation process, and the scraper 62 is prevented from causing larger flow resistance in the algae centrifugation process.

As some preferred embodiments, the bottom surface of the cylinder cover 22 is provided with a second guiding surface 222 formed by recessing, so that when the cylinder 2 rotates at a high speed, the algae mixed liquid in the accommodating chamber 20 is thrown upwards to the inner top surface of the accommodating chamber 20 under the action of centrifugal force, and the clear liquid is guided into a gap between the infusion tube 5 and the channel 220 from the second guiding surface 222 through the second guiding surface 222 which is arranged obliquely upwards, moves upwards along the gap, enters the water receiving device 4, and is discharged by the water receiving device 4.

The inner bottom surface of the barrel 21 is provided with a third diversion surface 210 formed by recessing, so that the algae mixed solution in the accommodating chamber 20 is provided with a large weight under the action of centrifugal force, the algae belong to particles, the algae are 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 solution slides to the inner bottom surface of the accommodating chamber 20 from the third diversion surface 210, so that the algae concentrated solution can be conveniently sucked and collected through the infusion tube 5.

The bottom of the cylinder 21 is fixedly provided with a second rotating part 211 along the axial direction thereof, the second rotating part 211 is rotationally connected with the base 11, and the diameters of the first rotating part 221 and the second rotating part 211 are smaller than the diameter of the cylinder 21. Through the setting of second rotation portion 211, make things convenient for second rotation portion 211 to pass base 11 and rotate with base 11 through the bearing and be connected, in this embodiment, second rotation portion 211 and first rotation portion 221 are the axle section that extends along barrel 21 axial direction respectively to make things convenient for establishing rotation connection with frame 1.

As some embodiments, the driving device 3 includes a motor 31, a driving wheel 32, a driven wheel 33, and a driving belt 34, where the motor 31 is fixedly disposed 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 portion 211, and the driving wheel 32 and the driven wheel 33 are in transmission connection through the driving 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 211 to rotate, so that the whole rotary drum 2 rotates at a high speed.

The driving device 3 in the above embodiment is a pulley transmission type, and of course, other types of driving the drum 2 to rotate at a high speed may be adopted.

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. In the process of rotating the rotary drum 2 at a high speed, the scraper device 6 and the infusion tube 5 keep the positions motionless, so that algae attachments on the inner side wall of the accommodating chamber 20 can be scraped, more separated algae can fall into the inner bottom surface of the accommodating chamber 20, and the algae can be conveniently collected through 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 scraper device (6) is positioned in the accommodating chamber (20) and fixedly connected with the outer wall of the infusion tube (5) and is used for scraping the algae attachments on the inner side wall of the accommodating chamber (20).

2. The tube centrifuge of claim 1, wherein: the frame (1) includes base (11) and fixed support frame (12) that set up on base (11), rotary drum (2) include barrel (21) and fixed cover (22) that set up in barrel (21) top, barrel (21) bottom and base (11) rotate to be connected, cover (22) top and support frame (12) rotate to be connected, holding cavity (20) set up in barrel (21), be provided with on cover (22) with holding cavity (20) be linked together passageway (220), water receiving device (4) are fixed to be set up in support frame (12) top, and with passageway (220) are linked together, the lower extreme of transfer line (5) passes passageway (220) and to holding cavity (20) inner bottom surface extension.

3. The tube centrifuge of claim 2, wherein: the utility model provides a barrel cap (22) top center department is fixed to be provided with first rotation portion (221), passageway (220) run through first rotation portion (221), first rotation portion (221) upwards pass support frame (12) and rotate with support frame (12) and be connected, water collector (4) including 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 be set up the open-top department of water collector (41), and drain pipe (42) are passed and are fixed connection with it to the upper end of transfer line (5), and water collector (41) outer wall has drain pipe (412) that are linked together with accomodate chamber (411), water collector (41) bottom surface center department seted up with accomodate mounting hole (413), first rotation portion (221) upwards pass accomodate chamber (411), just passageway (220) are linked together.

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 guide sleeve (7) is further arranged between the mounting hole (413) and the first rotating part (221), the guide sleeve (7) is fixedly connected with the first rotating part (221) in a sealing mode, a through hole (71) connected with the channel (220) is formed in 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 arranged at the edge of the top end of the guide sleeve (7), and the annular flange (72) extends to the position above the first guide surface (4111).

6. The tube centrifuge of claim 2, wherein: the scraper device (6) comprises a fixed sleeve (61) and a scraper (62), the fixed sleeve (61) is fixedly arranged on the outer wall of the infusion tube (5), the scraper (62) is provided with a plurality of scrapers (62) which are vertically arranged at equal intervals around the axial lead of the cylinder body (21), one side of the scraper (62) is fixedly connected with the fixed sleeve (61), the other side of the scraper is contacted with the inner side wall of the accommodating cavity (20), and the bottom surface of the scraper (62) is contacted with at least one part of the inner bottom surface of the accommodating cavity (20).

7. The tube centrifuge of claim 6, wherein: the scraping plate (62) is provided with a liquid guide hole (621).

8. The tube centrifuge of claim 6, wherein: the bottom surface of the cylinder cover (22) is provided with a second diversion surface (222) formed by recessing, and the inner bottom surface of the cylinder body (21) is provided with a third diversion surface (210) formed by recessing.

9. A tube centrifuge as defined in claim 3, wherein: the bottom of the cylinder body (21) is fixedly provided with a second rotating part (211) along the axial direction of the cylinder body, the second rotating part (211) is rotationally connected with the base (11), and the diameters of the first rotating part (221) and the second rotating part (211) are smaller than the diameter of the cylinder body (21).

10. The tube centrifuge of claim 9, wherein: 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 (211), and the driving wheel (32) and the driven wheel (33) are in transmission connection through the transmission belt (34).