CN115780106A

CN115780106A - Remote monitoring centrifuge

Info

Publication number: CN115780106A
Application number: CN202211579792.3A
Authority: CN
Inventors: 梁大用; 陆安全
Original assignee: Bengbu Langchen Chemical Equipment Co ltd
Current assignee: Bengbu Langchen Chemical Equipment Co ltd
Priority date: 2022-12-09
Filing date: 2022-12-09
Publication date: 2023-03-14

Abstract

The invention discloses a remote monitoring centrifugal machine, and belongs to the technical field of centrifugal separation. The upper end of the shell is provided with a liftable upper cover, and a centrifugal cylinder is rotatably arranged in the shell; the lower side of the upper cover is connected with a sealing cover matched with the centrifugal cylinder; a hollow rotating shaft penetrates through the centers of the upper cover and the sealing cover; the lower end of the hollow rotating shaft extends into the centrifugal cylinder, and the lower end of the hollow rotating shaft is connected with a telescopic cylinder structure; the upper end of the hollow rotating shaft is connected with an air pipe; the air pipe is connected with an air source through a hose; the hose is connected with a pressure gauge and a flow meter. The invention controls the extension of the telescopic cylinder structure in the centrifugal cylinder to extrude the mixed liquid in the centrifugal cylinder by the air pump, thereby improving the pressure of the mixed liquid and further improving the separation efficiency of the mixed liquid; the separation process is judged to be finished by remotely observing the flow meter, and the centrifuge can be remotely operated, monitored and parameter set in the central control room.

Description

Remote monitoring centrifuge

Technical Field

The invention relates to the technical field of centrifugal separation, in particular to a remote monitoring centrifugal machine.

Background

Centrifuges are machines that utilize centrifugal force to separate components of a mixture of liquid and solid particles or liquid and liquid. A centrifuge may be used to separate the solid particles from the liquid in suspension, or to separate two liquids in emulsion that are of different densities and are immiscible with each other.

The chinese patent discloses a heatable centrifuge for chemical industry (CN 213644522U), which comprises a bracket, centrifuge, storage water tank and workstation, the support is the prism form, support top fixed mounting has the workstation, workstation top fixed mounting has centrifuge, support one side fixed mounting has the storage water tank, storage water tank top fixed mounting has the raceway, and raceway one side fixed connection is in centrifuge one side, workstation one side fixed mounting has the mounting panel, mounting panel top fixed mounting has driving motor, centrifuge top fixed mounting has the top cap, top cap one side fixed mounting has the viewing aperture, ventilative mouthful fixed being provided with two, the both sides at the viewing aperture are installed to two ventilative mouthful symmetries, centrifuge includes the shell, the centrifuging tube, heating pipe and driving-disc, shell one side fixed mounting has the heating pipe, heating pipe one side fixed mounting has the centrifuging tube, centrifuging tube bottom fixed mounting has the driving-disc.

The prior art has the following defects:

in the working process, the progress and the state of the separation operation in the centrifugal machine are checked through the observation port on the top cover, so that a worker needs to repeatedly patrol among the centrifugal machines, and the checking is inconvenient and the mistake and the omission are easy to occur; for the separation of some chemical products, the working environment may also have adverse effects on the health of patrol workers; in addition, the existing centrifugal machine only adopts a centrifugal mechanism to drive liquid to centrifugally move, and the required liquid is separated through centrifugal force, so that the efficiency is not high, and the separation time is longer.

Disclosure of Invention

In order to solve the defects of the prior art, the invention provides a remote monitoring centrifugal machine; the centrifugal machine can remotely monitor the progress and the state of the separation operation, and improves the separation efficiency through the extrusion force.

The invention adopts the following technical scheme: a remote monitoring centrifugal machine comprises a shell, wherein a liquid outlet pipe is arranged at the lower end of the shell; the upper end of the shell is provided with a liftable upper cover; a centrifugal cylinder is rotatably arranged in the shell, and the lower end of the centrifugal cylinder is connected with a centrifugal motor; the lower side of the upper cover is connected with a sealing cover matched with the centrifugal cylinder; a hollow rotating shaft penetrates through the centers of the upper cover and the sealing cover, the hollow rotating shaft is fixedly connected with the upper cover, and the hollow rotating shaft is rotatably connected with the sealing cover; the lower end of the hollow rotating shaft extends into the centrifugal cylinder, and the lower end of the hollow rotating shaft is connected with a telescopic cylinder structure; the upper end of the hollow rotating shaft is connected with an air pipe; the air pipe is communicated to the inner cavity of the telescopic cylinder structure through a central hole of the hollow rotating shaft and is connected with an air source through a hose; the hose is connected with a pressure gauge and a flow meter.

Preferably: the telescopic cylinder structure comprises a primary sleeve, a secondary sleeve and a tertiary sleeve which are sequentially sleeved in a sliding manner; a top plate is fixed at the upper end of the primary sleeve and fixedly connected with the hollow rotating shaft; a bottom plate is fixed at the lower end of the third-level sleeve, and a closed inner cavity is formed among the bottom plate, the top plate, the first-level sleeve, the second-level sleeve and the third-level sleeve.

Preferably: the lower end of the secondary sleeve is provided with a baffle table matched with the lower end face of the primary sleeve, and the inner wall of the lower end of the primary sleeve is provided with a guide ring; an annular piston matched with the primary sleeve is fixed at the upper end of the secondary sleeve.

Preferably: the air source comprises an air pump and a vacuum pumping pump; the air pump is connected with the air supply pipeline, and the vacuum pumping pump is connected with the air pumping pipeline; the hose is respectively connected with the air supply pipeline and the air exhaust pipeline through electromagnetic switch valves.

Preferably: the center of the upper cover is provided with a threaded hole, the hollow rotating shaft is fixedly connected in the threaded hole of the upper cover through threads, and the upper end of the hollow rotating shaft is provided with a retaining nut.

Preferably: the center of the sealing cover is provided with a unthreaded hole, the hollow rotating shaft penetrates through the unthreaded hole of the sealing cover, and an upper bearing and a lower bearing are arranged between the unthreaded hole of the sealing cover and the hollow rotating shaft; the hollow rotating shaft is provided with a positioning shoulder which is abutted against the lower side of the lower bearing; the hollow rotating shaft is sleeved with a bearing seat, and the bearing seat is propped between the upper bearing and the upper cover.

Preferably: a cross beam is arranged above the upper cover, and a lifting oil cylinder is arranged on the cross beam; the piston rod end of the lifting oil cylinder is fixedly connected with the upper end of the hollow rotating shaft through a flange plate; the upper cover is fixed with a guide post, the beam is fixed with a guide sleeve matched with the guide post, and the guide post is in sliding fit with the guide sleeve.

Preferably: the bottom of the shell is provided with a slewing bearing, the lower side of the slewing bearing is connected with a transmission shaft, and the transmission shaft is connected with the centrifugal motor through a coupler; a rotary base is fixed on the upper side of the rotary support, an annular positioning groove is formed in the upper side of the rotary base, and a square groove is formed in the center of the upper side of the rotary base; the centrifugal cylinder is placed on the rotary base, a square protruding block matched with the square groove is arranged in the center of the lower end of the centrifugal cylinder, and an annular convex ring matched with the positioning groove is arranged at the lower end of the centrifugal cylinder.

The invention has the beneficial effects that:

the air pump is used for controlling the telescopic cylinder structure in the centrifugal cylinder to extend out to extrude mixed liquid in the centrifugal cylinder, so that the pressure of the mixed liquid is improved, a required separation material can quickly permeate a filter element filter screen on the centrifugal cylinder, and the separation efficiency of the mixed liquid is further improved;

the control gas path of the telescopic cylinder structure is provided with the pressure gauge and the flow meter, wherein the pressure is set to be a fixed value, and the separation process can be judged to be finished by remotely observing the slow increase or stop of the flow meter, so that repeated inspection among all centrifuges by workers is avoided, the working efficiency is improved, and the adverse effect of the working environment on the health of the workers is also reduced;

the control gas circuit can be arranged in a centralized manner, single or multiple control circuits are controlled in a distributed manner, and the remote operation, monitoring and parameter setting of the centrifugal machine can be realized in the central control chamber.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a front view of a remote monitoring centrifuge of the present invention.

Fig. 2 is an enlarged view of the telescopic tube structure of fig. 1.

Fig. 3 is an enlarged view of a point a in fig. 1.

Fig. 4 is an enlarged view at B in fig. 1.

Fig. 5 is a schematic diagram of a control gas circuit of a remote monitoring centrifuge according to the present invention.

FIG. 6 is a schematic diagram of the operation of a remote monitoring centrifuge according to the present invention.

Description of reference numerals: 1. a housing; 101. a liquid outlet pipe; 2. an upper cover; 3. a centrifugal cylinder; 301. a convex ring; 302. a square bump; 4. a centrifugal motor; 5. sealing the cover; 6. a hollow rotating shaft; 601. positioning a shoulder; 7. an air tube; 8. a hose; 9. a primary sleeve; 10. a secondary sleeve; 1001. blocking the platform; 11. a tertiary sleeve; 12. a top plate; 13. a base plate; 14. a pressure gauge; 15. a flow meter; 16. a guide ring; 17. an annular piston; 18. an air pump; 19. a vacuum pump is pumped; 20. a gas supply duct; 21. an air extraction pipeline; 22. an electromagnetic on-off valve; 23. a non-return nut; 24. an upper bearing; 25. a lower bearing; 26. a bearing seat; 27. a cross beam; 28. a lift cylinder; 29. a flange plate; 30. a guide post; 31. a guide sleeve; 32. a slewing bearing; 33. a drive shaft; 34. a rotating base; 3401. positioning a groove; 3402. a square groove; 35. and (7) supporting legs.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, a remote monitoring centrifuge is provided with support legs 35 under a casing 1, and a liquid outlet pipe 101 is connected to the lower end of the casing 1. The upper end of the shell 1 is provided with a liftable upper cover 2. A centrifugal cylinder 3 is rotatably mounted in the shell 1, the lower end of the centrifugal cylinder 3 is connected with a centrifugal motor 4, and the centrifugal motor 4 drives the centrifugal cylinder 3 to rotate so as to realize centrifugal separation operation of mixed liquid. The lower side of the upper cover 2 is connected with a sealing cover 5 matched with the centrifugal cylinder 3. A hollow rotating shaft 6 is arranged in the centers of the upper cover 2 and the sealing cover 5 in a penetrating way, the lower end of the hollow rotating shaft 6 extends into the centrifugal cylinder 3, and the lower end of the hollow rotating shaft 6 is connected with a telescopic cylinder structure. The hollow rotating shaft 6 provides support for the sealing cover 5 and the telescopic cylinder structure on the one hand, and provides an air source for the telescopic cylinder structure on the other hand to control the telescopic cylinder structure to stretch.

Referring to fig. 2, the telescopic tube structure includes a primary sleeve 9, a secondary sleeve 10 and a tertiary sleeve 11 which are slidably sleeved in sequence. A top plate 12 is fixed at the upper end of the first-stage sleeve 9, and the top plate 12 is fixedly connected with the hollow rotating shaft 6 through bolts. A bottom plate 13 is fixed at the lower end of the tertiary sleeve 11, and a closed inner cavity is formed among the bottom plate 13, the top plate 12, the primary sleeve 9, the secondary sleeve 10 and the tertiary sleeve 11. Sealing and guiding devices are arranged between the adjacent first-stage sleeve 9, the second-stage sleeve 10 and the third-stage sleeve 11, and the first-stage sleeve 9 and the second-stage sleeve 10 are taken as examples: the lower end of the secondary sleeve 10 is provided with a baffle platform 1001 matched with the lower end face of the primary sleeve 9, and the inner wall of the lower end of the primary sleeve 9 is provided with a guide ring 16; an annular piston 17 matched with the primary sleeve 9 is fixed at the upper end of the secondary sleeve 10.

Referring to fig. 1 and 3, a threaded hole is formed in the center of the upper cover 2, the hollow rotating shaft 6 is fixed in the threaded hole of the upper cover 2 through threaded connection, and a retaining nut 23 is mounted at the upper end of the hollow rotating shaft 6. The center of the sealing cover 5 is provided with a unthreaded hole, the hollow rotating shaft 6 penetrates through the unthreaded hole of the sealing cover 5, and an upper bearing 24 and a lower bearing 25 are arranged between the unthreaded hole of the sealing cover 5 and the hollow rotating shaft 6. The hollow rotating shaft 6 is provided with a positioning shoulder 601, and the positioning shoulder 601 abuts against the lower side of the lower bearing 25. The hollow rotating shaft 6 is sleeved with a bearing seat 26, and the bearing seat 26 is abutted between the upper bearing 24 and the upper cover 2. A beam 27 is arranged above the upper cover 2, and a lifting oil cylinder 28 is arranged on the beam 27. The piston rod end of the lifting oil cylinder 28 is fixedly connected with the upper end of the hollow rotating shaft 6 through a flange 29. The upper cover 2 is fixed with a guide post 30, the beam 27 is fixed with a guide sleeve 31 matched with the guide post 30, the guide post 30 is in sliding fit with the guide sleeve 31, and the opening and closing of the upper cover 2 and the sealing cover 5 are controlled through the lifting oil cylinder 28.

Referring again to fig. 5, the air supply includes an air pump 18 and a vacuum pump 19. The air pump 18 is connected with an air supply pipeline 20, and the vacuum pumping pump 19 is connected with an air pumping pipeline 21. One end of the hose 8 is connected with the air supply pipeline 20 and the air extraction pipeline 21 through the electromagnetic switch valve 22, and the other end of the hose 8 is connected with the air pipe 7. The air pipe 7 is connected with the upper end of the hollow rotating shaft 6 through threads, and the air pipe 7 is communicated to the inner cavity of the telescopic cylinder structure through a central hole of the hollow rotating shaft 6. The hose 8 is connected with a pressure gauge 14 and a flow meter 15. The control gas circuits and centrifugal motor switches of the centrifuges are arranged in the central control chamber in a centralized manner, when the centrifugal centrifuge works, the gas source is set to be a fixed value, the separation process is judged to be finished by observing slow increase or stop of the flowmeter, and then the centrifuges are controlled to stop; the centrifugal machine can be remotely operated, monitored and parameter set in the central control room, so that the patrol of workers is omitted, the working efficiency is improved, and the adverse effect of the working environment on the health of the workers is reduced.

Referring to fig. 1 and 4, a rotary support 32 is mounted at the bottom of the housing 1, a transmission shaft 33 is connected to the lower side of the rotary support 32, and the transmission shaft 33 is connected to the centrifugal motor 4 through a coupling. A rotary base 34 is fixed on the upper side of the rotary support 32, an annular positioning groove 3401 is formed in the upper side of the rotary base 34, and a square groove 3402 is formed in the center of the upper side of the rotary base 34. The centrifugal cylinder 3 is placed on the rotary base 34, the center of the lower end of the centrifugal cylinder 3 is provided with a square projection 302 matched with the square groove 3402, and the lower end of the centrifugal cylinder 3 is provided with an annular convex ring 301 matched with the positioning groove 3401.

The working principle of the device is that,

as shown in fig. 1 to fig. 6, the lifting cylinder 28 controls the opening of the upper cover 2 and the sealing cover 5, the mixed liquid to be separated is poured into the centrifuge tube 3, and the lifting cylinder 28 controls the closing of the upper cover 2 and the sealing cover 5; the centrifugal motor 4 is started, and the rotary base 34 and the centrifugal cylinder 3 are driven to rotate by the transmission shaft 33 and the rotary support 32, so that the centrifugal separation of the mixed liquid is realized; the air pump 18 is used for controlling the extension of a telescopic cylinder structure in the centrifugal cylinder 3 to extrude mixed liquid in the centrifugal cylinder 3, so that the pressure of the mixed liquid is improved, a required separation material can quickly permeate a filter element filter screen on the centrifugal cylinder, and the separation efficiency of the mixed liquid is improved; the pressure of the control gas circuit is set to be a fixed value, the separation process is judged to be finished by remotely observing the slow increase or stop of the flow meter, the centrifugal motor 4 is controlled to stop, and the telescopic cylinder structure retracts after the lifting oil cylinder 28 controls the upper cover 2 and the sealing cover 5 to be opened.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. A remote monitoring centrifuge comprises a shell (1), wherein a liquid outlet pipe (101) is arranged at the lower end of the shell (1); the upper end of the shell (1) is provided with a liftable upper cover (2); a centrifugal cylinder (3) is rotatably arranged in the shell (1), and the lower end of the centrifugal cylinder (3) is connected with a centrifugal motor (4); the lower side of the upper cover (2) is connected with a sealing cover (5) matched with the centrifugal cylinder (3); the method is characterized in that: a hollow rotating shaft (6) penetrates through the centers of the upper cover (2) and the sealing cover (5), the hollow rotating shaft (6) is fixedly connected with the upper cover (2), and the hollow rotating shaft (6) is rotatably connected with the sealing cover (5); the lower end of the hollow rotating shaft (6) extends into the centrifugal cylinder (3), and the lower end of the hollow rotating shaft (6) is connected with a telescopic cylinder structure; the upper end of the hollow rotating shaft (6) is connected with an air pipe (7); the air pipe (7) is communicated to the inner cavity of the telescopic cylinder structure through a central hole of the hollow rotating shaft (6), and the air pipe (7) is connected with an air source through a hose (8); the hose (8) is connected with a pressure gauge (14) and a flow meter (15).

2. The remote monitoring centrifuge of claim 1, wherein: the telescopic cylinder structure comprises a primary sleeve (9), a secondary sleeve (10) and a tertiary sleeve (11) which are sequentially sleeved in a sliding manner; a top plate (12) is fixed at the upper end of the primary sleeve (9), and the top plate (12) is fixedly connected with the hollow rotating shaft (6); a bottom plate (13) is fixed at the lower end of the third-stage sleeve (11), and a closed inner cavity is formed among the bottom plate (13), the top plate (12), the first-stage sleeve (9), the second-stage sleeve (10) and the third-stage sleeve (11).

3. A remote monitoring centrifuge as defined in claim 2 wherein: the lower end of the secondary sleeve (10) is provided with a baffle table (1001) matched with the lower end face of the primary sleeve (9), and the inner wall of the lower end of the primary sleeve (9) is provided with a guide ring (16); an annular piston (17) matched with the primary sleeve (9) is fixed at the upper end of the secondary sleeve (10).

4. The remote monitoring centrifuge of claim 1, wherein: the air source comprises an air pump (18) and a vacuum pump (19); the air pump (18) is connected with an air supply pipeline (20), and the vacuum pumping pump (19) is connected with an air pumping pipeline (21); the hose (8) is respectively connected with the air supply pipeline (20) and the air exhaust pipeline (21) through an electromagnetic switch valve (22).

5. The remote monitoring centrifuge of claim 1, wherein: a threaded hole is formed in the center of the upper cover (2), the hollow rotating shaft (6) is fixed in the threaded hole of the upper cover (2) through threaded connection, and the stopping nut (23) is installed at the upper end of the hollow rotating shaft (6).

6. The remote monitoring centrifuge of claim 5, wherein: a unthreaded hole is formed in the center of the sealing cover (5), the hollow rotating shaft (6) penetrates through the unthreaded hole of the sealing cover (5), and an upper bearing (24) and a lower bearing (25) are arranged between the unthreaded hole of the sealing cover (5) and the hollow rotating shaft (6); the hollow rotating shaft (6) is provided with a positioning shoulder (601), and the positioning shoulder (601) is abutted against the lower side of the lower bearing (25); the hollow rotating shaft (6) is sleeved with a bearing seat (26), and the bearing seat (26) is abutted between the upper bearing (24) and the upper cover (2).

7. The remote monitoring centrifuge of claim 1, wherein: a cross beam (27) is arranged above the upper cover (2), and a lifting oil cylinder (28) is arranged on the cross beam (27); the piston rod end of the lifting oil cylinder (28) is fixedly connected with the upper end of the hollow rotating shaft (6) through a flange plate (29); a guide post (30) is fixed on the upper cover (2), a guide sleeve (31) matched with the guide post (30) is fixed on the cross beam (27), and the guide post (30) is in sliding fit with the guide sleeve (31).

8. The remote monitoring centrifuge of claim 1, wherein: a rotary support (32) is installed at the bottom of the shell (1), a transmission shaft (33) is connected to the lower side of the rotary support (32), and the transmission shaft (33) is connected with the centrifugal motor (4) through a coupler; a rotary base (34) is fixed on the upper side of the rotary support (32), an annular positioning groove (3401) is formed in the upper side of the rotary base (34), and a square groove (3402) is formed in the center of the upper side of the rotary base (34); the centrifugal cylinder (3) is placed on the rotary base (34), a square bump (302) matched with the square groove (3402) is arranged in the center of the lower end of the centrifugal cylinder (3), and an annular convex ring (301) matched with the positioning groove (3401) is arranged at the lower end of the centrifugal cylinder (3).