CN219995756U

CN219995756U - Drying centrifugal machine

Info

Publication number: CN219995756U
Application number: CN202320985776.8U
Authority: CN
Inventors: 张桂友; 陈守敏; 赵百合; 陈旭辉
Original assignee: Zhejiang Haohua Pharmaceutical Co ltd
Current assignee: Zhejiang Haohua Pharmaceutical Co ltd
Priority date: 2023-04-25
Filing date: 2023-04-25
Publication date: 2023-11-10
Anticipated expiration: 2033-04-25

Abstract

The utility model discloses a drying centrifugal machine, which comprises a machine body and a rotary drum, wherein the rotary drum is rotationally connected in the machine body, a driving piece for driving the rotary drum to rotate is arranged on the machine body, filter cloth is coated outside the rotary drum, a material outlet communicated with the interior of the rotary drum is arranged on the machine body, a liquid cavity is formed between the rotary drum and the inner wall of the machine body, a liquid outlet communicated with the liquid cavity is arranged on the machine body, a scraping knife is arranged on the machine body and is abutted against the inner wall of the rotary drum, the scraping knife can scrape materials adhered to the filter cloth in the rotating and centrifuging process of the rotary drum, the condition that the filter cloth is blocked by the materials is effectively reduced, and the centrifugal machine can maintain an efficient centrifugal filtering effect.

Description

Drying centrifugal machine

Technical Field

The utility model relates to the field of centrifuges, in particular to a drying centrifuge.

Background

The centrifugal machine is mechanical equipment for separating liquid and solid particles by utilizing centrifugal force, is widely applied to the industries of chemistry, pharmacy and the like, and the existing centrifugal machine generally comprises a machine body and a centrifugal barrel rotationally arranged in the machine body, solid-liquid mixed materials are arranged in the centrifugal barrel, the outer surface of the centrifugal barrel is coated with filter cloth, the liquid is thrown out through the filter cloth by driving the centrifugal barrel to continuously rotate, and the solid materials remain in the centrifugal barrel to realize solid-liquid separation.

For example, chinese patent with publication number CN216631208U discloses a centrifuge for drug drying, which comprises a base, the upper end of base is fixedly provided with the fixed shell, the upper end of fixed shell is seted up to the opening, the cavity has been seted up to the inside of the center of base, the inside that the base corresponds the cavity is connected with the support column through the bearing rotation, the upper end of support column runs through and stretches into in the fixed shell and fixed connection rotary drum, the upper end of rotary drum is seted up to the opening, driven gear has been cup jointed to the column wall of support column fixedly, the inboard that the base corresponds the cavity still fixedly is provided with the rotating electrical machines, the upper end output shaft fixedly connected with of rotating electrical machines and driven gear engagement's driving gear, a plurality of bar water leakage mouth has been seted up to the lateral wall of rotary drum, the upper end card of rotary drum holds in the palm and has the annular cardboard, the inboard fixedly connected with of annular cardboard is crossed the filter bag. The utility model can carry out quick centrifugal drying on the medicine, and can directly take out the filter bag to collect the medicine after the drying is finished, thereby being convenient and quick and improving the drying efficiency.

However, after the scheme is used for a long time, partial materials are easy to block holes on the filter bag, so that the subsequent filtering using effect is influenced, the filtering separation efficiency of the centrifugal machine is reduced, and the centrifugal machine needs to be further improved.

Disclosure of Invention

In order to further guarantee the filtering separation efficiency, the utility model provides a drying centrifuge.

The utility model provides a drying centrifuge, which adopts the following technical scheme:

the utility model provides a dry centrifuge, includes organism and rotary drum, the rotary drum rotates to be connected in the organism, be provided with the driving piece of order about rotary drum pivoted on the organism, the outer cladding of rotary drum has the filter cloth, the organism is provided with the material export with the inside intercommunication of rotary drum, form the liquid chamber between rotary drum and the organism inner wall, be provided with the liquid outlet with the liquid chamber intercommunication on the organism, set up on the organism and scrape the material sword, scrape the filter cloth of material sword butt in the inner wall of rotary drum.

Through adopting above-mentioned technical scheme, the driving piece drives the rotary drum rotation and realizes centrifugal filtration, and liquid enters into the liquid intracavity through the filter cloth, and the material remains inside the rotary drum, scrapes the material that the material sword butt rotary drum inner wall will adhere on the rotary drum inner wall during and scrapes, reduces the phenomenon that the material blockked up the filter cloth for the filter cloth can keep good filter effect, lets centrifuge keep good centrifugal filtration effect.

Optionally, an air blowing nozzle is arranged on the inner wall of the machine body, and the air blowing nozzle faces the filter holes of the filter cloth on the rotary drum.

Through adopting above-mentioned technical scheme, when need clear stifled to the filtration pore of filter cloth on the rotary drum, open the blowing mouth and blow towards the inside direction of rotary drum to can blow back the material of jam in the filtration pore in the rotary drum again, realize the recovery to the material on the filter cloth, the material that blows can be discharged from the material export, reduce the condition that residual material mixes in the liquid intracavity.

Optionally, a suction nozzle is arranged on the scraping knife, and the suction nozzle faces the filter holes of the filter cloth on the rotary drum.

Through adopting above-mentioned technical scheme, the suction nozzle can produce the suction and come the material that blocks up on the filter cloth can be sucked out, and the clear stifled effect of realization that the mode that suction nozzle and gas blowing nozzle match can be better is more thorough to clear stifled on the filter cloth.

Optionally, a lifting cylinder for driving the scraping knife to lift is arranged on the machine body, and the scraping knife is fixedly arranged at the output end of the lifting cylinder.

Through adopting above-mentioned technical scheme, the lifting cylinder can order about to scrape the material sword lift adjustment position to make the rotary drum inner wall can obtain more comprehensive scraping effect, scrape the material region wider.

Optionally, scrape the material sword and include blade holder and cutter body, be provided with the revolving cylinder of connecting both between blade holder and the lift cylinder output, revolving cylinder is used for driving and scrapes the horizontal rotation of material sword, it is provided with 2 at least around the axis of rotation to scrape the material sword, scrape the filter cloth line contact of material sword and rotary drum inner wall.

Through adopting above-mentioned technical scheme, scrape the material sword and set up a plurality of switching that can realize the station, when one of them scrapes the material sword and influences after long-term use wearing and tearing and scrape the material effect, only need through revolving cylinder order about scrape the material sword rotate and switch another new material sword of scraping continue scrape the material can, change and switch and scrape the material sword easy operation convenience.

Optionally, the open-top of organism just is provided with the top cap, top cap one side articulates on the organism, be provided with the distributing device on the top cap, be connected with the conveying pipeline that lets in the rotary drum on the distributing device.

Through adopting above-mentioned technical scheme, the open-top of organism is convenient for later stage to the maintenance of inside, blocks dust impurity entering at ordinary times with the help of the top cap seals, and the setting of distributing device makes the degree of consistency that the material was put into better, helps later stage centrifugal filtration.

Optionally, the bottom wall of the liquid cavity is obliquely arranged, and the liquid outlet is located at the lowest position of the bottom wall of the liquid cavity.

Through adopting above-mentioned technical scheme, the slope of liquid chamber diapire sets up more does benefit to the discharge of liquid, and liquid can in time be followed the liquid outlet and discharged under self gravity effect.

Optionally, the bottom wall slope of rotary drum sets up down and forms the guide portion, the bottom of guide portion is close to the material export.

Through adopting above-mentioned technical scheme, scrape the material that the material sword scraped down and fall to the guide portion of rotary drum diapire on, guide portion can be with material direction material export, reduces the accumulational condition of material in the rotary drum bottom.

In summary, the present utility model includes at least one of the following beneficial technical effects:

1. the scraping knife is combined with the blowing nozzle and the suction nozzle to timely clean the materials adhered on the rotary drum, so that the cleaning effect is good and thorough, and the rotary drum can continuously keep good centrifugal separation efficiency;

2. the automatic scraping machine is provided with a plurality of standby scraping knives, and is driven by the rotary cylinder when the scraping knives are required to be replaced or switched, so that the operation is simple and convenient;

3. the scraping knife can vertically lift and adjust, so that the comprehensiveness of the scraping area is improved.

Drawings

Fig. 1 is an overall structural diagram of an embodiment of the present utility model.

Reference numerals illustrate:

1. a body; 2. a rotating drum; 3. a distributing device; 4. a material cavity; 5. a liquid chamber; 6. a material outlet; 7. a liquid outlet; 8. a rotating lever; 9. a motor; 10. a synchronizing wheel; 11. a synchronous belt; 12. a top cover; 13. a driving cylinder; 14. a connection part; 15. a material conveying pipe; 16. a scraping knife; 17. a lifting cylinder; 18. a rotary cylinder; 19. an air suction nozzle; 20. an air blowing nozzle; 21. and a material guiding part.

Detailed Description

The present utility model will be described in further detail with reference to fig. 1.

The embodiment of the utility model discloses a drying centrifugal machine.

As shown in fig. 1, a drying centrifuge includes organism 1, rotary drum 2 and distributing device 3, the inside cavity of organism 1 and rotary drum 2 rotate and set up in organism 1, rotary drum 2 inside cavity forms material chamber 4, there is the interval and forms liquid chamber 5 between rotary drum 2 outer wall and the organism 1 inner wall, the cladding has the filter cloth to be used for filtering on the rotary drum 2, liquid in the material can pass through the filter cloth, the material can't pass through the filter cloth, be provided with the material export 6 with the inside intercommunication of rotary drum 2 in the bottom of organism 1, liquid outlet 7 has been seted up to the diapire of organism 1 in liquid chamber 5 simultaneously, be provided with dwang 8 rather than fixed connection on rotary drum 2, dwang 8 rotates and connects on organism 1, be provided with the driving piece that is used for driving dwang 8 pivoted on the organism 1, thereby when the material is loaded into rotary drum 2, drive rotary drum 2 rotate with the help of driving piece, liquid in the material gets into liquid chamber 5 and finally discharges from liquid outlet 7 through the filter cloth under the effect, the material then still is located rotary drum 2 and finally discharges from material export 6 from the bottom, thereby the good solid-liquid separation to the material, reach corresponding dry purpose.

As shown in fig. 1, the driving member includes a motor 9, a synchronous belt 11 and a synchronous wheel 10, the synchronous wheel 10 is respectively fixed on an output shaft of the motor 9 and the rotating rod 8, and the synchronous belt 11 is connected with the two synchronous wheels 10, so that the motor 9 can drive the rotating rod 8 to rotate, and further, the rotation of the rotating drum 2 is realized.

As shown in fig. 1, the top opening of the machine body 1 is provided with a top cover 12, one side of the top cover 12 is hinged on the machine body 1, meanwhile, a driving air cylinder 13 for driving the top cover 12 to turn over and open is fixedly arranged on the machine body 1, the top cover 12 is extended back to a connecting portion 14 at the hinged position, one end of a cylinder body of the driving air cylinder 13 is hinged on the machine body 1, and the end portion of an output rod of the driving air cylinder 13 is hinged on the connecting portion 14, so that the top cover 12 can be driven to open and close by means of the extension and retraction of the driving air cylinder 13, the automatic opening and closing purpose is achieved, and the operation is simpler and more convenient.

As shown in fig. 1, the distributing device 3 is disposed at the top opening of the machine body 1, the distributing device 3 penetrates through the top cover 12 to penetrate into the rotary drum 2 and is located above the rotating rod 8, the conveying pipe 15 is disposed in the distributing device 3, the material can more uniformly enter the rotary drum 2 through the material input into the conveying pipe 15, and in this embodiment, the distributing device 3 is fixedly disposed on the top cover 12, so that the opening and closing of the top cover 12 are not affected.

As shown in fig. 1, a scraping knife 16 for scraping materials adhered to the bottom wall of the rotary drum 2 is further arranged in the rotary drum 2, the scraping knife 16 is in line contact with filter cloth on the rotary drum 2, meanwhile, a lifting cylinder 17 is fixedly arranged on the top cover 12, and the scraping knife 16 is arranged on a telescopic rod of the lifting cylinder 17, so that the height of the scraping knife 16 can be adjusted in the vertical direction by means of the lifting cylinder 17, further, corresponding scraping of materials on more areas of the rotary drum 2 can be realized, and the cleaning completeness of the materials adhered to the rotary drum 2 is better; the bottom end fixing at lift cylinder 17 is provided with revolving cylinder 18, scrapes material sword 16 and includes blade holder and cutter body, and the blade holder is installed and is driven the rotation on revolving cylinder 18, scrapes material sword 16 symmetry in this embodiment and is provided with 2 to when there is the bad material of scraping after one of them scrapes material sword 16 long-term use wearing and tearing, can drive the switching that rotates 180 degrees and use of realizing another scraper sword 16 through revolving cylinder 18, the convenient operation of changing the scraper sword 16 is swift, need not to shut down or open top cap 12 and go on.

As shown in fig. 1, the direction of the filter hole on the scraping knife 16 towards the filter cloth is provided with an air suction nozzle 19, meanwhile, the inner wall of the machine body 1 is provided with an air blowing nozzle 20 corresponding to the air suction nozzle 19, a plurality of air blowing nozzles 20 are vertically arranged at intervals, the air suction nozzle 19 is communicated with an air suction pipeline, the air blowing nozzle 20 is communicated with a high-pressure air blowing pipeline, when a part of materials adhere to the filter hole after long-term use to cause blockage to affect the filtering effect, the air blowing nozzle 20 and the air suction nozzle 19 can be opened, the cleaning of the materials on the filter hole can be realized by means of air flow, and the materials falling in the drum 2 can be cleaned, so that the dryness of the liquid in the liquid cavity 5 can be kept.

As shown in fig. 1, the bottom wall of the liquid chamber 5 is obliquely arranged, and the liquid outlet 7 is positioned at the lowest position to help liquid to be discharged rapidly under the action of self gravity, so that the situation of deposition in the machine body 1 is reduced, the bottom wall of the rotary drum 2 is also obliquely arranged downwards and forms a material guiding part 21, one side of the lower position of the material guiding part 21 is closer to the material outlet 6, the material guiding part 21 can guide the material to the material outlet 6, and the accumulation of the material on the bottom wall of the rotary drum 2 is reduced.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims

1. The utility model provides a dry centrifuge, includes organism (1) and rotary drum (2), rotary drum (2) rotate and connect in organism (1), be provided with on organism (1) and order about rotary drum (2) pivoted driving piece, its characterized in that: the filter cloth is covered outside the rotary drum (2), the machine body (1) is provided with a material outlet (6) communicated with the inside of the rotary drum (2), a liquid cavity (5) is formed between the rotary drum (2) and the inner wall of the machine body (1), a liquid outlet (7) communicated with the liquid cavity (5) is formed in the machine body (1), a scraping knife (16) is arranged on the machine body (1), and the scraping knife (16) is abutted to the filter cloth on the inner wall of the rotary drum (2).

2. A dry centrifuge as defined in claim 1 wherein: an air blowing nozzle (20) is arranged on the inner wall of the machine body (1), and the air blowing nozzle (20) faces to the filter holes of the filter cloth on the rotary drum (2).

3. A dry centrifuge as defined in claim 2 wherein: the scraping knife (16) is provided with an air suction nozzle (19), and the air suction nozzle (19) faces to the filter holes of the filter cloth on the rotary drum (2).

4. A dry centrifuge as defined in claim 1 wherein: the machine body (1) is provided with a lifting cylinder (17) for driving the scraping knife (16) to lift, and the scraping knife (16) is fixedly arranged at the output end of the lifting cylinder (17).

5. A dry centrifuge as defined in claim 4 wherein: the scraping knife (16) comprises a knife holder and a knife body, a rotary cylinder (18) connected with the knife holder and the output end of the lifting cylinder (17) is arranged between the knife holder and the output end of the lifting cylinder, the rotary cylinder (18) is used for driving the scraping knife (16) to horizontally rotate, the number of the scraping knives (16) is at least 2 around a rotary axis, and the scraping knives (16) are in line contact with the filter cloth on the inner wall of the rotary drum (2).

6. A dry centrifuge as defined in claim 5 wherein: the automatic feeding machine is characterized in that the top of the machine body (1) is provided with a top cover (12), one side of the top cover (12) is hinged to the machine body (1), a distributing device (3) is arranged on the top cover (12), and a conveying pipe (15) which is led into the rotary drum (2) is connected to the distributing device (3).

7. A dry centrifuge as defined in claim 1 wherein: the bottom wall of the liquid cavity (5) is obliquely arranged, and the liquid outlet (7) is positioned at the lowest position of the bottom wall of the liquid cavity (5).

8. A dry centrifuge as defined in claim 1 wherein: the bottom wall of the rotary drum (2) is obliquely downwards arranged to form a material guiding part (21), and the bottom end of the material guiding part (21) is close to the material outlet (6).