CN111495612A - Horizontal spiral filtering centrifuge - Google Patents
Horizontal spiral filtering centrifuge Download PDFInfo
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- CN111495612A CN111495612A CN202010371669.7A CN202010371669A CN111495612A CN 111495612 A CN111495612 A CN 111495612A CN 202010371669 A CN202010371669 A CN 202010371669A CN 111495612 A CN111495612 A CN 111495612A
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- filtering
- rotary drum
- drum
- liquid
- pipe
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B1/00—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles
- B04B1/20—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles discharging solid particles from the bowl by a conveying screw coaxial with the bowl axis and rotating relatively to the bowl
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B7/00—Elements of centrifuges
- B04B7/08—Rotary bowls
Abstract
The invention relates to a horizontal spiral filtering centrifuge, which comprises a machine base, wherein a supporting seat and a machine shell are arranged on the machine 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 concentrating 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 concentrating rotating drum, the other end of the shaft sleeve is connected with a driving wheel, the driving wheel is connected with a hydraulic differential, and the hydraulic differential is connected. The invention has the advantages that: the invention combines the characteristics of the drum of the sedimentation centrifuge and the drum of the filtering centrifuge together, so that the solid-liquid mixed liquid to be separated is concentrated and thickened in a sedimentation region and dewatered and dried in a filtering region in the separation process, thereby achieving the purpose of reducing the water content of solid materials.
Description
Technical Field
The invention relates to the technical field of centrifugal equipment, in particular to a horizontal spiral filtering 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.
Disclosure of Invention
In order to solve the technical problem, the invention provides a horizontal spiral filtering centrifuge.
In order to achieve the purpose, the invention provides the 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 helical blade and a liquid outlet, the filtering rotary drum is provided with a second helical blade, an external rotary drum outside the filtering rotary drum is provided with a liquid outlet, the inner wall of the external rotary drum inside the liquid outlet is provided with a filter screen, the external 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 external 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 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 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 invention has the beneficial effects that: the characteristics of the drum of the sedimentation centrifuge and the characteristics of the drum of the filtering centrifuge are combined together, so that the solid-liquid mixed solution to be separated firstly passes through a sedimentation region for concentration and thickening and then passes through a filtering region for dehydration and spin-drying in the separation process, and the purpose of reducing the water content of the solid material is achieved; 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 invention directly fixes the supporting seat on the casing and adopts the hydraulic differential to drive the concentrating drum and the filtering drum, thereby not only saving materials, but also ensuring that the whole centrifuge has very simple structure and very convenient installation and control, and also greatly facilitating the maintenance in the future.
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 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.
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 and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
As shown in figures 1 and 2, the invention relates to a horizontal spiral filtering centrifuge, which comprises a base 1, wherein the base 1 is a square plate, and 6 JG3-5 type rubber shock absorbers 23 are arranged on the lower side of the base 1, so that no additional foundation is needed, and the installation is convenient. 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 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, liquid discharge ports 6.3 are uniformly distributed on the circumference of the barrel body of the filtering area 6.2, and the liquid discharge ports 6.3 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 liquid outlet 6.3, and the inner wall of the external rotating drum 6 at the inner side of the liquid outlet 6.3 is provided with a filter screen 13. The liquid outlet 7.1 is communicated with the overflow liquid discharge pipe 5.1, the liquid discharge port 6.3 is communicated with the filtration liquid discharge pipe 5.2, the end part of the filtration 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 liquid outlet 7.2, 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 will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
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 liquid outlet (6.3) is arranged on the outer side of the filtering rotary drum (8), a filter screen (13) is arranged on the inner wall of the outer rotary drum (6) on the inner side of the liquid outlet (6.3), 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 on the lower side of the settling concentration area (6.1), a filtering liquid discharge pipe (5.2) is arranged on 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 liquid outlet (7.2), 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 liquid discharge port (6.3) is communicated with the filtration liquid discharge pipe (5.2), the end part of the filtration 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).
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).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010371669.7A CN111495612A (en) | 2020-05-06 | 2020-05-06 | Horizontal spiral filtering centrifuge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010371669.7A CN111495612A (en) | 2020-05-06 | 2020-05-06 | Horizontal spiral filtering centrifuge |
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| Publication Number | Publication Date |
|---|---|
| CN111495612A true CN111495612A (en) | 2020-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010371669.7A Pending CN111495612A (en) | 2020-05-06 | 2020-05-06 | Horizontal spiral filtering centrifuge |
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| CN (1) | CN111495612A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111589592A (en) * | 2020-05-27 | 2020-08-28 | 蚌埠市朗辰化工设备有限公司 | Horizontal spiral filtering centrifuge |
| CN111604170A (en) * | 2020-05-27 | 2020-09-01 | 蚌埠市朗辰化工设备有限公司 | Rotary drum device for horizontal spiral filtering centrifuge |
| CN112090596A (en) * | 2020-08-20 | 2020-12-18 | 江苏同泽过滤科技有限公司 | Concentration filtering centrifuge and transmission device therein |
-
2020
- 2020-05-06 CN CN202010371669.7A patent/CN111495612A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111589592A (en) * | 2020-05-27 | 2020-08-28 | 蚌埠市朗辰化工设备有限公司 | Horizontal spiral filtering centrifuge |
| CN111604170A (en) * | 2020-05-27 | 2020-09-01 | 蚌埠市朗辰化工设备有限公司 | Rotary drum device for horizontal spiral filtering centrifuge |
| CN112090596A (en) * | 2020-08-20 | 2020-12-18 | 江苏同泽过滤科技有限公司 | Concentration filtering centrifuge and transmission device therein |
| CN112090596B (en) * | 2020-08-20 | 2022-04-08 | 江苏同泽过滤科技有限公司 | Concentration filtering centrifuge and transmission device therein |
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