CN211515092U

CN211515092U - Centrifugal screening machine

Info

Publication number: CN211515092U
Application number: CN201922373631.9U
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 sieving machine, which comprises a shell, a frame, a sieving 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, a slurry outlet is arranged on the screen shell, a slag outlet is arranged at the lower part of the slag shell, and a water inlet and a water outlet are arranged on the shell. The utility model discloses be equipped with water inlet and delivery port on centrifugal screening machine's the casing, can let in process water and wash the inside of casing, get rid of the residue in the casing, avoid the residue to pile up influence centrifugal screening machine normal operating, the life of extension equipment. Still be equipped with air inlet and gas vent on the casing, can sweep the casing is inside, blow off remaining material and dregs, keep the casing clean.

Description

Centrifugal screening machine

Technical Field

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

Background

The centrifugal sieving machine is a separating machine in a powder production line and is widely applied to the industries of pharmacy, chemical industry, food and the like. The working principle is that the centrifugal force is utilized to separate dregs, fibers, crystals or other solid suspended substances in the raw materials.

Can leave remaining material and dregs in the casing after centrifugal screen extension uses, along with the live time increases, the residue is piled up easily, may influence the drive part operation and centrifugal screen extension's throughput, has increased cost of maintenance, has shortened the life of equipment.

SUMMERY OF THE UTILITY MODEL

The utility model provides a problem how to reduce the residue in the casing, the life of extension equipment.

In order to solve the problems, the utility model provides a centrifugal sieving machine, which comprises a shell, a frame, a sieving 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, a slurry outlet is arranged on the screen shell, a slag outlet is arranged at the lower part of the slag shell, and a water inlet and a water outlet are arranged on the 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 comprises a motor, a transmission part and a rotating shaft, the motor is installed on the rack, the two ends of the rotating shaft are respectively a first end and a second end, the output end of the motor is connected with the first end of the rotating shaft in a driving mode through the transmission part, and the second end of the rotating shaft is connected with the screen basket.

Optionally, an air inlet is provided on the housing.

Optionally, a first exhaust port is arranged on the skull.

Optionally, a second air outlet is provided on the sieve casing.

Optionally, the centrifugal screening machine further comprises a slurry pump, and the slurry pump is connected with the slurry outlet.

Optionally, a door cover hinged to the skull is arranged on the shell, and the feed pipe penetrates through the door cover and is connected with the door cover.

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, be equipped with the pipe box on the inlet pipe, adjust the pole and pass the pipe box, it wears out to adjust the pole the one end of inlet pipe is equipped with the hand wheel.

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, 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.

Compared with the prior art, the utility model discloses be equipped with water inlet and delivery port on centrifugal screening machine's the casing, can let in process water and wash the casing inside, get rid of the residue in the casing, avoid the residue to pile up influence centrifugal screening machine normal operating, the life of extension equipment. Still be equipped with air inlet and gas vent on the casing, can sweep the casing is inside, blow off remaining material and dregs, keep the casing clean.

Drawings

Figure 1 is a front view of a centrifugal screen machine in an embodiment of the present invention;

figure 2 is a rear view of a centrifugal screen machine in an embodiment of the present invention;

figure 3 is a top view of a centrifugal screen machine according to an embodiment of the present invention;

figure 4 is a left side view of a centrifugal screen machine in an embodiment of the present invention;

figure 5 is the cross-sectional view of centrifugal screen machine in the embodiment of the present invention.

Description of reference numerals:

10-slag shell, 11-slag outlet, 12-discharge outlet, 13-door cover, 14-hinge, 15-handle, 20-screen shell, 21-slurry outlet, 22-screen basket, 23-material distribution plate, 30-material inlet pipe, 31-quick joint, 32-pipe sleeve, 33-adjusting rod, 34-baffle, 35-handwheel, 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, 60-rotating shaft, 61-first bearing, 62-second bearing, 70-water inlet, 71-water outlet, 72-air inlet, 73-first exhaust outlet, 74-second vent.

Detailed Description

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.

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.

Referring to fig. 1 to 5, the present invention provides a centrifugal screening machine, which comprises a casing, a frame 50, a screening assembly, a feeding assembly, a cleaning assembly and a driving assembly, which are combined with each other. 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.

Referring to fig. 1, 3 and 5, the lower part of the slag shell 10 is also provided with a discharge port 12, and the discharge port 12 is arranged opposite to the slag outlet 11. The discharge port 12 is closed in general, and when the slag outlet 11 is blocked, the discharge port 12 can be opened to clean the slag outlet 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. 5, 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 screen area of the screen in the embodiment is less than 1m²The method can reduce the treatment capacity and investment cost of equipment, and is suitable for small-sized production lines. 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. The feed pipe 30 passes through the middle of the door cover 13 and enters the shell, the front part of the feed pipe 30 enters the screen basket 22, the front end of the feed pipe 30 is an outlet end and is close to the distributing tray 23, and the rear end of the feed pipe 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 inlet end of the feeding pipe 30 is provided with a quick coupling 31 for facilitating connection with a material pipeline. The feed tube 30 is connected to the door 13, and when the door 13 is rotated open, the feed tube 30 and the screen assembly move out of the screen housing 20 for cleaning and maintenance.

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.

Referring to fig. 1, the shell is provided with a water inlet 70 and a water outlet 71, the water inlet 70 and the water outlet 71 are arranged at the lower part of the skull 10, and both the water inlet 70 and the water outlet 71 can be closed and opened. When the shell needs to be cleaned, process water is introduced from the water inlet 70, the process water is discharged from the water outlet 71 after cleaning, residues in the shell are removed, the phenomenon that the normal operation of the centrifugal screening machine is influenced by the accumulation of the residues is avoided, and the service life of the equipment is prolonged.

An air inlet 72 is provided in the housing for introducing a purge gas into the housing. The first exhaust port 73 is arranged on the slag shell 10, the second exhaust port 74 is arranged on the screen shell 20, and when the centrifugal screening machine operates, the exhaust ports can exhaust gas in the shell, so that the equipment is prevented from being damaged due to pressure build-up. When the centrifugal sieving machine is cleaned, the exhaust port can exhaust the sweeping gas. The purge gas blows off the remaining material and residue, keeping the housing clean.

As shown in connection with fig. 5, the driving 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 three-phase asynchronous motor with 11Kw-18.5 Kw. 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 rotation shaft 60 has a first end at the front end and a second end at the rear end, and the first end of the rotation shaft 60 is connected to the driven pulley 53 and the second end is connected to the basket 22. 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 axis of rotation 60 and rotate steadily. 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.

The working principle of the centrifugal sieving machine 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.

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 machine is characterized by comprising a shell, a frame (50), a screening assembly, a feeding assembly, a cleaning assembly and a driving assembly;

the shell comprises a slag shell (10) and a screen shell (20) which are connected with each other, a slurry outlet (21) is arranged on the screen shell (20), a slag outlet (11) is arranged at the lower part of the slag shell (10), and a water inlet (70) and a water outlet (71) are arranged on the shell;

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);

the drive assembly comprises a motor (51), a transmission part and a rotating shaft (60), wherein the motor (51) is installed on the rack (50), the two ends of the rotating shaft (60) are respectively a first end and a second end, the output end of the motor (51) is connected with the first end of the rotating shaft (60) in a driving mode through the transmission part, and the second end of the rotating shaft (60) is connected with the screen basket (22).

2. Centrifugal screen machine according to claim 1, characterized in that the housing is provided with an air inlet (72).

3. Centrifugal screen machine according to claim 2, characterized in that the skull (10) is provided with a first exhaust opening (73).

4. Centrifugal screen machine according to claim 2, characterized in that the screen housing (20) is provided with a second air outlet (74).

5. Centrifugal screen machine according to claim 1, further comprising a slurry pump (16), the slurry pump (16) being connected to the slurry outlet (11).

6. The centrifugal screening machine according to claim 1, characterized in that the housing is provided with a door (13) hinged to the skull (10), and the feeding pipe (30) passes through the door (13) and is connected to the door (13).

7. Centrifugal screen machine according to claim 1, characterized in that the feeding assembly comprises an adjusting rod (33), the adjusting rod (33) passing through the feeding pipe (30), the end of the adjusting rod (33) entering the feeding pipe (30) being provided with a conical stop (34).

8. Centrifugal screening machine according to claim 7, characterized in that a sleeve (32) is provided on the feeding pipe (30), the adjusting rod (33) passes through the sleeve (32), and a hand wheel (35) is provided at the end of the adjusting rod (33) passing through the feeding pipe (30).

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

10. The centrifugal screening machine according to claim 1, wherein the transmission member includes a driving wheel (52), a driven wheel (53) and a transmission belt (54), the driving wheel (52) is connected with an output end of the motor (51), the transmission belt (54) is connected with the driving wheel (52) and the driven wheel (53), and the driven wheel (53) is connected with a first end of the rotating shaft (60).