CN213315618U

CN213315618U - Horizontal spiral filtering centrifuge

Info

Publication number: CN213315618U
Application number: CN202020720403.4U
Authority: CN
Inventors: 梁大用
Original assignee: Bengbu Langchen Chemical Equipment Co ltd
Current assignee: Bengbu Langchen Chemical Equipment Co ltd
Priority date: 2020-05-06
Filing date: 2020-05-06
Publication date: 2021-06-01
Anticipated expiration: 2030-05-06

Abstract

The utility model relates to a horizontal spiral filtration centrifuge, including the frame, erection bracing seat and casing on the frame, swing joint has the axle sleeve in the supporting seat, swing joint main shaft in the axle sleeve is equipped with outer drum in the casing, is equipped with interconnect's concentrated rotary drum and filters the rotary drum in outer rotary drum, and the one end of axle sleeve links to each other with concentrated rotary drum, and the action wheel is connected to the other end of axle sleeve, and hydraulic pressure differential mechanism is connected to the action wheel, and the main shaft is connected to hydraulic pressure differential mechanism. The utility model has the advantages that: the utility model discloses combine centrifuge drum characteristic and filter centrifuge drum characteristic together, make the solid-liquid mixture that needs the separation earlier carry out concentrated thickening through the subsidence area in the course of the separation and dewater through the filtering area again and spin-dry, reach and reduce solid material moisture content purpose, separate effectually, can carry out the feeding in succession to suspension when full speed operation, concentrate, washing, dewater and unload, the wide application is in trades such as chemical industry, food, salt, mining, pharmacy.

Description

Horizontal spiral filtering centrifuge

Technical Field

The utility model relates to a centrifugal equipment technical field specifically is a horizontal spiral filtration centrifuge.

Background

Centrifuges are machines that utilize centrifugal force to separate components of a mixture of liquid and solid particles or liquid and liquid. The centrifugal machine is mainly used for separating solid particles from liquid in suspension, or separating two liquids which have different densities and are not mutually soluble in emulsion, the centrifugal machine can also be used for discharging liquid in wet solids, and by utilizing the characteristic that the solid particles with different densities or granularities have different settling speeds in the liquid, some settling centrifugal machines can also grade the solid particles according to the densities or the granularities, while the existing horizontal settling centrifugal machine can not well realize the effects of settling and filtering, the water content of solid materials is higher, and the purposes of thickening and removing fine particles can not be achieved.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a horizontal spiral filtration centrifuge.

In order to achieve the above object, the utility model provides a following technical scheme:

a horizontal spiral filtering centrifuge is characterized in that: the automatic concentration machine comprises a base, wherein a supporting seat and a machine shell are arranged on the base, a shaft sleeve is movably connected in the supporting seat, a main shaft is movably connected in the shaft sleeve, an outer rotating drum is arranged in the machine shell, a concentration rotating drum and a filtering rotating drum which are mutually connected are arranged in the outer rotating drum, one end of the shaft sleeve is connected with the concentration rotating drum, the other end of the shaft sleeve is connected with a driving wheel, the driving wheel is connected with a hydraulic differential mechanism, and the hydraulic differential;

the concentration rotary drum is provided with a first spiral blade and a liquid outlet, the filtering rotary drum is provided with a second spiral blade, an outer rotary drum outside the filtering rotary drum is provided with a first liquid discharge port, the inner wall of the outer rotary drum inside the first liquid discharge port is provided with a filter screen, the outer rotary drum comprises a sedimentation concentration area and a filtering area, the lower side of the sedimentation concentration area is provided with an overflow liquid discharge pipe, the lower side of the filtering area is provided with a filtering liquid discharge pipe, and the outer rotary drum is also provided with a solid outlet;

the shell is connected with a feeding pipe, and a discharge port of the feeding pipe is arranged in the concentrating rotary drum.

On the basis of the above scheme, the following technical scheme can be adopted:

the fan is arranged on the shell, the blowing direction of the fan faces the main shaft, and the exhaust funnel is further arranged on the shell.

And a washing pipe are respectively arranged on the shell, the water outlet of the washing pipe is arranged on the outer side of the second liquid outlet, and the water outlet of the washing pipe is arranged in the filtering rotary drum.

The discharge port of the feeding pipe is matched and connected with a feeding horn mouth.

A group of material blocking rings and a group of liquid blocking rings are arranged in the filtering rotary drum.

The liquid outlet is communicated with the overflow liquid discharge pipe, the first liquid discharge port is communicated with the filtering liquid discharge pipe, a discharge port is arranged at the end part of the filtering rotary drum, and the discharge port is communicated with the solid outlet.

The concentrating rotary drum and the filtering rotary drum are both cones, and the bottom of the concentrating rotary drum is connected with the bottom of the filtering rotary drum.

The utility model has the advantages that: the utility model combines the characteristics of the sedimentation centrifuge drum and the filtering centrifuge drum together, so that the solid-liquid mixed liquid to be separated is concentrated and thickened in the sedimentation region and dewatered and dried in the filtering region in the separation process, thereby achieving the purpose of reducing the water content of the solid material; meanwhile, for some materials with low solid content and more fine particles, the fine particles after preconcentration flow back to mother liquor through overflow liquid, so that the purposes of thickening and removing the fine particles are achieved, and the materials reaching the filtering part are easier to dewater and spin-dry. The device has the advantages of large treatment capacity, low energy consumption, stable performance and good separation effect, can continuously feed, concentrate, wash, dewater and unload suspension liquid when running at full speed, and is widely applied to the industries of chemical industry, food, salt, mining, pharmacy and the like.

The utility model discloses with supporting seat snap-on the casing to adopt hydraulic pressure differential mechanism to drive and be used for driving concentrated rotary drum and filter the rotary drum, not only saved the material, still make whole centrifuge's structure very simple, installation and control are very convenient, but also made things convenient for the maintenance in the future greatly.

Drawings

FIG. 1 is a schematic diagram of the basic structure of the present invention;

fig. 2 is a top view of fig. 1.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

As shown in figure 1 and figure 2, the utility model relates to a horizontal spiral filtration centrifuge, including frame 1, frame 1 is square board, at 6 JG3-5 type rubber shock absorbers 23 of downside of frame 1, need not to add basis in addition, simple to operate. A servo motor 22 is arranged on the stand 1, and the main function of the servo motor 22 is to provide a power source for the centrifuge.

The support base 2 and the machine shell 5 are installed on the machine base 1, the shaft sleeve 3 is movably connected in the support base 2, the main shaft 4 is movably connected in the shaft sleeve 3, the outer rotating drum 6 is arranged in the machine shell 5, the outer rotating drum 6 is of a cylinder structure with openings at two sides, the diameter of the opening at one side of the outer rotating drum 6 is larger than that of the opening at the other side, and the outer rotating drum 6 is of a cone structure arranged from the middle to two sides.

The outer rotating drum 6 is one of key parts of the centrifuge, one end of the outer rotating drum 6 is connected with the supporting seat 2 through a fixing plate, 6 evenly distributed overflow ports are arranged on the fixing plate, and the fixing plate is connected with the shaft sleeve 3. The outer rotating drum 6 has a high linear velocity, so the drum body of the outer rotating drum 6 adopts a steel plate structure. The middle part to the big end of the outer rotating drum 6 is a sedimentation concentration area 6.1, the other side is a filtering area 6.2, first liquid discharge ports are uniformly distributed on the circumference of the barrel body of the filtering area 6.2, the first liquid discharge ports are elliptical holes so as to ensure the filtering area of the centrifugal machine and discharge liquid phase in a short time. An overflow drain pipe 5.1 is arranged on the machine shell 5 below the sedimentation concentration zone 6.1, a filtration drain pipe 5.2 is arranged on the machine shell 5 below the filtration zone 6.2, and a solid outlet 5.3 is also arranged on the outer rotary drum 6. The first helical blade 11 is placed in the sedimentation concentration zone 6.1 and its main function is the feed distribution and the acceleration of the suspension. The spiral function is mainly to push the sediment in the sedimentation concentration area 6.1 to the filtering area 6.2 for filtering.

A concentrating rotary drum 7 and a filtering rotary drum 8 which are connected with each other are arranged in the outer rotary drum 6, the concentrating rotary drum 7 and the filtering rotary drum 8 are both conical, and the bottom of the concentrating rotary drum 7 is connected with the bottom of the filtering rotary drum 8. A group of material blocking rings 20 and a group of liquid blocking rings 21 are arranged in the filter rotary drum 8. One end of the shaft sleeve 3 is connected with the concentrating rotary drum 7, the other end of the shaft sleeve 3 is connected with a driving wheel 9, the driving wheel 9 is a belt pulley, the driving wheel 9 is connected with a hydraulic differential mechanism 10, the hydraulic differential mechanism 10 is in the prior art, the hydraulic differential mechanism 10 is connected with the main shaft 4, the servo motor 22 is connected with the driving wheel 9 through a transmission device in a driving mode, and the transmission device adopts a belt and a belt pulley which are matched with each other. The concentrating drum 7 is provided with a first helical blade 11 and a liquid outlet 7.1, the filtering drum 8 is provided with a second helical blade 12, the filtering drum 8 is arranged at the inner side of the first liquid outlet, and the inner wall of the outward rotating drum 6 at the inner side of the first liquid outlet is provided with a filter screen 13. The liquid outlet 7.1 is communicated with the overflow liquid discharge pipe 5.1, the first liquid discharge port is communicated with the filtering liquid discharge pipe 5.2, the end part of the filtering rotary drum 8 is provided with a discharge port 8.1, and the discharge port 8.1 is communicated with the solid outlet 5.3.

A feeding pipe 14 is connected in the machine shell 5, a discharge hole of the feeding pipe 14 is arranged in the concentrating drum 7, and the discharge hole of the feeding pipe 14 is matched and connected with a feeding horn 19. A fan 15 is installed on the housing 5, the blowing direction of the fan 15 is set toward the main shaft 4, and an exhaust funnel 16 is also installed on the housing 5. A flushing pipe 17 and a washing pipe 18 are respectively arranged on the machine shell 5, the water outlet of the flushing pipe 17 is arranged on the outer side of the second liquid outlet, and the water outlet of the washing pipe 18 is arranged in the filter drum 8. The fan 15 is mainly used for blowing air into the main spindle box to pressurize, and the air is continuously discharged through the main spindle box, so that feed liquid and air flow are effectively prevented from entering the bearing cavity to damage the bearing. Therefore, the centrifuge must turn on the blower before feeding and turn off the blower after stopping. Otherwise the service life of the bearing will be affected.

When the device works, the solid-liquid mixed liquid flows into the concentration rotary drum 7 rotating at a high speed through the feeding pipe 14, is distributed to the inner wall of the sedimentation concentration area 6.1 of the outer rotary drum 6 through the liquid outlet 7.1 of the concentration rotary drum 7, and most of water is discharged through the overflow discharge pipe 5.1 after sedimentation. The solid-liquid mixture which is driven into a fluid state by the concentrator drum 7 is transmitted to the filter drum 8, the water is separated by the centrifugal action of the filter drum 8 and is discharged through the filter liquid discharge pipe 5.2, and the solid is discharged through the solid outlet 5.3 after passing through the discharge hole 8.1, thereby playing a role of separation.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A horizontal spiral filtering centrifuge is characterized in that: the device comprises a machine base (1), wherein a supporting seat (2) and a machine shell (5) are installed on the machine base (1), a shaft sleeve (3) is movably connected in the supporting seat (2), a main shaft (4) is movably connected in the shaft sleeve (3), an outer rotating drum (6) is arranged in the machine shell (5), a concentrating rotating drum (7) and a filtering rotating drum (8) which are mutually connected are arranged in the outer rotating drum (6), one end of the shaft sleeve (3) is connected with the concentrating rotating drum (7), the other end of the shaft sleeve (3) is connected with a driving wheel (9), the driving wheel (9) is connected with a hydraulic differential (10), and the hydraulic differential (10) is connected with the;

a first helical blade (11) and a liquid outlet (7.1) are arranged on the concentrating rotary drum (7), a second helical blade (12) is arranged on the filtering rotary drum (8), a first liquid discharge port is arranged on the outer side of the filtering rotary drum (8) on the outer rotary drum (6), a filter screen (13) is arranged on the inner wall of the outer rotary drum (6) at the inner side of the first liquid discharge port, the outer rotary drum (6) comprises a settling concentration area (6.1) and a filtering area (6.2), an overflow liquid discharge pipe (5.1) is arranged at the lower side of the settling concentration area (6.1), a filtering liquid discharge pipe (5.2) is arranged at the lower side of the filtering area (6.2), and a solid outlet (5.3) is also arranged on the outer rotary drum (6);

a feeding pipe (14) is connected in the machine shell (5), and a discharge hole of the feeding pipe (14) is arranged in the concentrating rotary drum (7).

2. A horizontal spiral filtration centrifuge as defined in claim 1 wherein: a fan (15) is installed on the machine shell (5), the blowing direction of the fan (15) faces the main shaft (4), and an exhaust barrel (16) is further installed on the machine shell (5).

3. A horizontal spiral filtration centrifuge as defined in claim 1 wherein: a flushing pipe (17) and a washing pipe (18) are further respectively installed on the machine shell (5), a water outlet of the flushing pipe (17) is arranged on the outer side of the second liquid outlet, and a water outlet of the washing pipe (18) is arranged in the filtering rotary drum (8).

4. A horizontal spiral filtration centrifuge as defined in claim 1 wherein: the discharge hole of the feeding pipe (14) is matched and connected with a feeding horn mouth (19).

5. A horizontal spiral filtration centrifuge as defined in claim 1 wherein: a group of material blocking rings (20) and a group of liquid blocking rings (21) are arranged in the filtering rotary drum (8).

6. A horizontal spiral filtration centrifuge as defined in claim 1 wherein: the liquid outlet (7.1) is communicated with the overflow liquid discharge pipe (5.1), the first liquid discharge port is communicated with the filtering liquid discharge pipe (5.2), a discharge port (8.1) is arranged at the end part of the filtering rotary drum (8), and the discharge port (8.1) is communicated with the solid outlet (5.3).

7. A horizontal spiral filtration centrifuge as defined in claim 1 wherein: the concentrating rotary drum (7) and the filtering rotary drum (8) are both conical, and the bottom of the concentrating rotary drum (7) is connected with the bottom of the filtering rotary drum (8).