CN211515091U

CN211515091U - Centrifugal screening plant

Info

Publication number: CN211515091U
Application number: CN201922371382.XU
Authority: CN
Inventors: 颜丙新; 樊琦; 祖泓舟; 郝巨勇; 孟宪涛; 骆伟寒; 高艳龙; 王军; 董翔宇
Original assignee: Ning'an Cereals Oils And Starch Machinery Manufacturing Co ltd
Current assignee: Ning'an Cereals Oils And Starch Machinery Manufacturing Co ltd
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-09-18
Anticipated expiration: 2029-12-26

Abstract

The utility model provides a centrifugal screening device, which comprises a shell, a frame, a screening component, a feeding component, a cleaning component and a driving component; the shell comprises a slag shell and a screen shell which are connected with each other, and a slurry outlet is formed in the screen shell; the drive assembly includes motor, transmission part and axis of rotation, the motor is installed in the frame, the both ends of axis of rotation are first end and second end respectively, the output of motor passes through the transmission part with the first end drive of axis of rotation is connected, the second end and the screening subassembly of axis of rotation are connected, the outside cover of axis of rotation is equipped with the pivot protection casing. The utility model discloses centrifugal screening plant covers in the drive assembly outside and establishes the protection casing, protects drive assembly, prevents that impurity from getting into the inside damage equipment of part, has reduced the damage risk, has prolonged the life of device.

Description

Centrifugal screening plant

Technical Field

The utility model relates to a mechanical equipment technical field particularly, relates to a centrifugal screening plant.

Background

The centrifugal sieving device is a separating machine for powder production, mainly used for separating dregs, fibers, crystals or other solid suspended matters in materials by utilizing the centrifugal principle, and is widely applied to the fields of pharmacy, chemical industry, food and the like.

In the prior art, the driving parts of the centrifugal screening device are directly exposed in the air, and impurities easily enter the centrifugal screening device to cause damage in the using process, so that the maintenance cost of the centrifugal screening device is increased, and the service life of the centrifugal screening device is shortened.

SUMMERY OF THE UTILITY MODEL

The utility model provides a problem be how to protect centrifugal screening plant's drive part, the life of extension equipment.

In order to solve the problems, the utility model provides a centrifugal screening device, which comprises a shell, a frame, a screening component, a feeding component, a cleaning component and a driving component; the shell comprises a slag shell and a screen shell which are connected with each other, and a slurry outlet is formed in the screen shell; the screening component comprises a conical screen basket and a material distribution disc, the screen basket is arranged in the screen shell, the material distribution disc is fixed at the small opening end of the screen basket, and a screen is arranged on the surface of the screen basket; the feeding assembly comprises a feeding pipe, the feeding pipe penetrates through the slag shell and enters the screen basket, and the outlet end of the feeding pipe is matched with the material distribution disc for discharging; the cleaning assembly comprises a washer and a top spray, the washer is mounted in the screen basket and connected with the feeding pipe, a plurality of spray heads are arranged on the surface of the washer, and the top spray is arranged on the slag shell; the drive assembly includes motor, drive disk assembly and axis of rotation, the motor is installed in the frame, the both ends of axis of rotation are first end and second end respectively, the output of motor passes through drive disk assembly with the first end drive of axis of rotation is connected, the second end of axis of rotation with the basket is connected, the outside cover of axis of rotation is equipped with the pivot protection casing.

Optionally, a ventilation opening is formed in the lower portion of the rotating shaft protective cover.

Optionally, the transmission part includes the action wheel, follows driving wheel and driving belt, the action wheel with the output of motor is connected, driving belt connects the action wheel with follow the driving wheel, follow the driving wheel with the first end of axis of rotation is connected.

Optionally, the transmission member is externally covered with a belt guard.

Optionally, the belt protection cover is provided with a plurality of heat dissipation holes at positions corresponding to the driving wheel and the driven wheel.

Optionally, a first bearing is disposed at a first end of the rotating shaft, and a second bearing is disposed at a second end of the rotating shaft.

Optionally, the inlet end of the feed pipe is provided with a quick coupling.

Optionally, the feeding subassembly includes the regulation pole, it passes to adjust the pole the inlet pipe, it gets into to adjust the pole the one end of inlet pipe is equipped with conical dog.

Optionally, the cleaning assembly comprises a spray pipe, the spray pipe is arranged between the screen shell and the screen basket, and a plurality of spray heads are arranged on the spray pipe.

Optionally, a slag outlet and a discharge outlet are arranged at the lower part of the slag shell, and the discharge outlet and the slag outlet are oppositely arranged on the slag shell.

Compared with the prior art, the utility model discloses centrifugal screening plant establishes the protection casing at the outside cover of drive assembly, protects drive assembly, prevents that impurity from getting into the inside equipment that damages of part, has reduced the damage risk, has prolonged the life of device. The protective cover is provided with a ventilation opening or a heat dissipation hole, so that heat generated when the driving assembly operates can be dissipated quickly, and overheating loss of parts is avoided.

Drawings

Fig. 1 is a first perspective view of a centrifugal screen apparatus according to an embodiment of the present invention;

fig. 2 is a perspective view of a centrifugal sieving device according to an embodiment of the present invention;

FIG. 3 is a front view of a centrifugal screen apparatus according to an embodiment of the present invention;

FIG. 4 is a rear view of a centrifugal screen apparatus according to an embodiment of the present invention;

FIG. 5 is a left side view of a centrifugal screen apparatus according to an embodiment of the present invention;

FIG. 6 is a top view of a centrifugal screen apparatus according to an embodiment of the present invention;

figure 7 is a cross-sectional view of a centrifugal screen apparatus according to an embodiment of the present invention;

figure 8 is a cross-sectional view of a centrifugal screen apparatus according to another embodiment of the present invention.

Description of reference numerals:

10-slag shell, 11-slag outlet, 13-door cover, 14-hinge, 15-handle, 16-slag pump, 20-screen shell, 21-slurry outlet, 22-screen basket, 23-material separating disc, 30-feeding pipe, 32-pipe sleeve, 33-adjusting rod, 34-baffle, 35-hand wheel, 40-washer, 41-washing liquid inlet pipe, 42-top spray, 43-spray pipe, 44-spray joint, 50-frame, 51-motor, 52-driving wheel, 53-driven wheel, 54-driving belt, 55-belt shield, 56-heat dissipation hole, 60-rotating shaft, 61-first bearing, 62-second bearing, 63-rotating shaft shield and 64-ventilation opening.

Detailed Description

In the description of the present invention, it should be noted that terms such as "upper", "lower", "front", "rear", "left", "right", etc. in the embodiments indicate terms of orientation, and are only used for simplifying the description of positional relationships based on the drawings of the specification, and do not represent that the elements, devices, etc. indicated must be operated according to the specific orientation and defined operation and method, configuration in the specification, and such terms of orientation do not constitute limitations of the present invention.

In the description of the present invention, it should be noted that the terms "first" and "second" mentioned in the embodiments of the present invention are only used for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

The utility model discloses a be provided with coordinate system XYZ in the drawing of embodiment, wherein X's forward represents the place ahead, and X's backward represents the rear, and Y's forward represents the top, and Y's backward represents the below, and Z's forward represents rightly, and Z's backward represents the left.

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.

Referring to fig. 1-7, the present invention provides a centrifugal screen apparatus, comprising a housing, a frame 50, a screen assembly, a feed assembly, a cleaning assembly, and a drive assembly, all of which are assembled together. The housing is connected to the frame 50, the screen assembly, the feed assembly and the wash assembly are assembled within the housing, and the drive assembly is secured to the frame 50.

The housing comprises a skull 10 and a sieve housing 20 connected to each other. The rear part of the screen shell 20 is connected with the slag shell 10, and the front part is conical. The lower part of the sieve shell 20 is provided with a slurry outlet 21, and the lower part of the slag shell 10 is provided with a slag outlet 11. The material finishes the screening operation in the casing, and the thick liquids of getting rid of impurity flows out from thick liquids export 21, gets into next process, and dregs, fibre, crystal or other solid suspended solid that sieve out get into skull 10 to discharge from sediment export 11.

Be equipped with the door closure 13 on the casing, door closure 13 passes through hinge 14 with skull 10 and is connected, and door closure 13 can be opened, is convenient for clear up the maintenance to the casing inside. Two handles 15 are also provided on the skull 10 for locking and unlocking the door 13.

As shown in connection with fig. 7, the screen assembly includes a screen basket 22 and a distribution tray 23. The screen basket 22 is tapered to match the shape of the front of the screen housing 20 and fits within the screen housing 20. The surface of the screen basket 22 is provided with a screen mesh for screening impurities in the material. The screening area of the screen in the embodiment is more than 2m²The processing capacity of the equipment can be improved, and more production requirements can be met. The material distribution disc 23 is fixed at the small end of the screen basket 22 and used for guiding materials to the screen basket 22 for screening operation.

The feed assembly includes a feed tube 30 and an adjustment rod 33. Feed tube 30 passes through the middle of door 13 and into the housing, and the front of feed tube 30 enters basket 22. The front end of the feeding pipe 30 is an outlet end and is close to the distributing tray 23, and the rear end extends upwards to be an inlet end. The material is fed from the inlet end and is conveyed to the outlet end along the feeding pipe 30 to be sprayed out, and the sprayed material passes through the distributing disc 23 and is guided to the surface of the screen basket 22.

The feed pipe 30 is connected with the door cover 13, and when the door cover 13 is rotated to be opened, the feed pipe 30 and the screening assembly move out of the screening shell 20, so that the cleaning and maintenance are convenient.

The rear part of the feeding pipe 30 is provided with a pipe sleeve 32, an adjusting rod 33 penetrates through the pipe sleeve 32 to enter the interior of the feeding pipe 30, the front end of the adjusting rod 33 is close to the outlet end of the feeding pipe 30, the rear end of the adjusting rod 33 penetrates out of the pipe sleeve 32, and the adjusting rod 33 can move back and forth in the feeding pipe 30. The front end of the adjusting rod 33 is provided with a conical stop head 34, materials are conveyed along the gap between the feeding pipe 30 and the adjusting rod 33, the gap is reduced when the materials pass through the stop head 34, and the flow velocity of the materials is increased. The rear end of the adjusting rod 33 is provided with a hand wheel 35 for controlling the adjusting rod 33 to move back and forth. When the adjusting rod 33 moves, the position of the stop head 34 is changed, so that the flow rate and the pressure of the materials conveyed to the distributing disc 23 are changed, and the feeding adjustment is realized.

The cleaning assembly includes a top spray 42, a scrubber 40 and a shower 43. The top spray 42 is arranged at the upper part of the skull 10 and is used for spraying cleaning liquid into the skull 10 to clean the inner wall of the shell. The washer 40 is generally conical in shape to match the shape of the screen basket 22 and is mounted within the screen basket 22 and connected to the feed pipe 30. The surface of the washer 40 is provided with a plurality of nozzles, the door cover 13 is provided with a washing liquid inlet pipe 41, the washing liquid inlet pipe 41 is connected with the washer 40, and cleaning liquid enters the washer 40 from the washing liquid inlet pipe 41 and is sprayed out from the nozzles to clean the screen basket 22 from the inside so as to prevent the screen mesh from being blocked. The screen shell 20 is provided with a spray joint 44 connected with a spray pipe 43 for connecting a cleaning liquid pipe, the spray pipe 43 is arranged between the screen shell 20 and the screen basket 22, and the spray pipe 43 is provided with a plurality of spray heads facing the screen basket 22. The shower pipes 43 are used for cleaning the outer wall of the screen basket 22 to prevent the screen mesh from being blocked. The cleaning assembly can clean the screen basket 22, avoids shutdown for replacing the screen, saves maintenance time and improves production efficiency.

The drive assembly includes a motor 51, a transmission member and a rotating shaft 60. A motor 51 is fixedly mounted to frame 50 for driving rotation of the screen assemblies. In the present embodiment, the motor 51 is a 75Kw three-phase asynchronous motor. The transmission part comprises a driving wheel 52, a driven wheel 53 and a transmission belt 54, the driving wheel 52 is connected with the output end of the motor 51, and the transmission belt 54 is connected with the driving wheel 52 and the driven wheel 53. The front end of the rotating shaft 60 is a first end, the rear end is a second end, the first end of the rotating shaft 60 is connected with the driven wheel 53, the second end is connected with the screen basket 22, and the rotating shaft 60 can drive the screen basket 22 to rotate. The first end of axis of rotation 60 is equipped with first bearing 61, and the second end is equipped with second bearing 62, and two bearings in front and back guarantee that axis of rotation 60 is stable. When the motor 51 works, the driving wheel 52 is driven to rotate, the driven wheel 53 is driven to rotate through the transmission belt 54, the rotating shaft 60 and the screen basket 22 are driven to rotate, centrifugal force is generated when the screen basket 22 rotates, and materials in the screen basket 22 are centrifugally screened.

In this embodiment, the centrifugal screen apparatus is covered with a shaft shield 63 at the outside of the rotating shaft 60 to prevent the rotating shaft 60 from being damaged by foreign substances. The lower portion of the rotation shaft shield 63 is provided with a ventilation opening 64 for heat dissipation to prevent the rotation shaft 60 from being damaged due to overheating.

The belt protective cover 55 is covered outside the transmission part to protect the transmission part and prevent impurities from entering the transmission part to damage equipment. The belt protective cover 55 is provided with two heat dissipation areas which are respectively positioned at the corresponding positions of the driving wheel 52 and the driven wheel 53, and the heat dissipation areas are provided with a plurality of heat dissipation holes 56 for dissipating heat generated by the rotation of the driving wheel 52 and the driven wheel 53 and preventing parts from being overheated and lost.

The protective cover is covered outside the driving assembly, so that the driving assembly can be protected, the damage risk is reduced, and the service life of the device is prolonged.

The working principle of the centrifugal screening device is as follows: the material is input from inlet pipe 30, from inlet pipe 30 exit end blowout, and spun material is led the basket 22 surface behind the branch charging tray 23, and motor 51 work drives axis of rotation 60 through drive disk assembly and rotates, and basket 22 produces centrifugal force along with rotating, and the material gets into screen shell 20 after the screen cloth screening, exports from thick liquids export 21 again, and the sediment that is screened out gets into skull 10, from sediment export 11 discharge.

Referring to fig. 8, in this embodiment, on the basis of the above embodiment, the centrifugal sieving device further includes a slurry pump 16, and the slurry pump 16 is connected to the slurry outlet 11 for rapidly discharging the slurry to avoid the accumulation and blockage at the slurry outlet 11.

Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the present disclosure, and these changes and modifications are intended to fall within the scope of the present disclosure.

Claims

1. A centrifugal screening device comprising a housing, a frame (50), a screen assembly, a feed assembly, a cleaning assembly and a drive assembly;

the shell comprises a slag shell (10) and a screen shell (20) which are connected with each other, and a slurry outlet (21) is formed in the screen shell (20);

the screening component comprises a conical screen basket (22) and a material distribution disc (23), the screen basket (22) is arranged in the screen shell (20), the material distribution disc (23) is fixed at the small opening end of the screen basket (22), and a screen is arranged on the surface of the screen basket (22);

the feeding assembly comprises a feeding pipe (30), the feeding pipe (30) penetrates through the slag shell (10) and enters the screen basket (22), and the outlet end of the feeding pipe (30) is matched with the distributing disc (23) to discharge;

the cleaning assembly comprises a washer (40) and a top spray (42), the washer (40) is installed in the screen basket (22) and connected with the feeding pipe (30), the surface of the washer (40) is provided with a plurality of spray heads, and the top spray (42) is arranged on the skull (10);

drive assembly includes motor (51), drive disk assembly and axis of rotation (60), motor (51) are installed on frame (50), the both ends of axis of rotation (60) are first end and second end respectively, the output of motor (51) passes through drive disk assembly with the first end drive of axis of rotation (60) is connected, the second end of axis of rotation (60) with basket (22) are connected, the outside cover of axis of rotation (60) is equipped with pivot protection casing (63).

2. A centrifugal screen apparatus according to claim 1, wherein the lower portion of the shaft shroud (63) is provided with ventilation openings (64).

3. A centrifugal screen apparatus according to claim 1, wherein the transmission means comprises a drive wheel (52), a driven wheel (53) and a transmission belt (54), the drive wheel (52) being connected to the output of the motor (51), the transmission belt (54) connecting the drive wheel (52) and the driven wheel (53), the driven wheel (53) being connected to the first end of the rotatable shaft (60).

4. A centrifugal screen apparatus according to claim 3, wherein the outer casing of the transmission member is provided with a belt guard (55).

5. A centrifugal screen apparatus according to claim 4, wherein a plurality of heat dissipation apertures (56) are provided in the belt guard (55) at positions corresponding to the drive wheel (52) and the driven wheel (53).

6. A centrifugal screen apparatus according to claim 1, wherein a first end of the rotary shaft (60) is provided with a first bearing (61) and a second end of the rotary shaft (60) is provided with a second bearing (62).

7. A centrifugal screen apparatus according to claim 1, wherein the inlet end of the feed tube (30) is provided with a quick coupling (31).

8. A centrifugal screen apparatus according to claim 1, wherein the feed assembly includes an adjustment rod (33), the adjustment rod (33) passing through the feed tube (30), the end of the adjustment rod (33) entering the feed tube (30) being provided with a conical stop (34).

9. A centrifugal screen apparatus according to claim 1, wherein the cleaning assembly includes a shower (43), the shower (43) being disposed between the screen casing (20) and the screen basket (22), the shower (43) being provided with a plurality of spray heads.

10. A centrifugal screen apparatus according to claim 1, wherein the skull (10) is provided with a slag outlet (11) and a discharge outlet (12) at a lower portion, the discharge outlet (12) being located opposite the slag outlet (11) on the skull (10).