CN109011798B - Centrifugal solid-liquid separator - Google Patents
Centrifugal solid-liquid separator Download PDFInfo
- Publication number
- CN109011798B CN109011798B CN201710449725.2A CN201710449725A CN109011798B CN 109011798 B CN109011798 B CN 109011798B CN 201710449725 A CN201710449725 A CN 201710449725A CN 109011798 B CN109011798 B CN 109011798B
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- rotary screen
- fixed
- inner cylinder
- rotary
- liquid
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- 239000007788 liquid Substances 0.000 title claims abstract description 69
- 239000000203 mixture Substances 0.000 claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 239000007787 solid Substances 0.000 claims abstract description 7
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000004140 cleaning Methods 0.000 claims description 25
- 238000007789 sealing Methods 0.000 claims description 15
- 239000003638 chemical reducing agent Substances 0.000 claims description 6
- 230000003044 adaptive effect Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 238000000926 separation method Methods 0.000 abstract description 19
- 239000000463 material Substances 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 230000000704 physical effect Effects 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 4
- 238000007599 discharging Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/27—Filters with filtering elements which move during the filtering operation with rotary filtering surfaces, which are neither cylindrical nor planar, e.g. helical surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/35—Filters with filtering elements which move during the filtering operation with multiple filtering elements characterised by their mutual disposition
- B01D33/41—Filters with filtering elements which move during the filtering operation with multiple filtering elements characterised by their mutual disposition in series connection
- B01D33/42—Filters with filtering elements which move during the filtering operation with multiple filtering elements characterised by their mutual disposition in series connection concentrically or coaxially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/44—Regenerating the filter material in the filter
- B01D33/48—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Centrifugal Separators (AREA)
Abstract
The invention discloses a centrifugal solid-liquid separator which comprises a fixed support, a fixed outer cylinder and a fixed inner cylinder, wherein a solid discharge hole is formed in the bottom of the fixed outer cylinder, a liquid discharge hole penetrating through the side surface of the fixed outer cylinder is formed in the bottom of the side surface of the fixed inner cylinder, a conical rotary screen I is arranged at the upper opening part of the fixed inner cylinder, a rotary screen II which is suitable for the shape of the rotary screen I is fixed in the rotary screen I, a rotary shaft is connected to the bottom of the rotary screen II, and the rotary shaft penetrates through the bottom of the fixed inner cylinder and is connected with a power mechanism; the centrifugal solid-liquid separation equipment provided by the invention utilizes the centrifugal force generated by the high-speed rotation of the rotary screen I and the rotary screen II which are relatively fixed to continuously separate the solid-liquid mixture, the physical properties of materials are not influenced in the working process, and the production efficiency is high.
Description
Technical Field
The invention belongs to the technical field of solid-liquid separation equipment, and particularly relates to a centrifugal solid-liquid separator.
Background
The solid-liquid separation equipment is very popular in the separation of solid and liquid phases, however, the common solid-liquid separation equipment mainly uses an industrial pump to pressurize materials and then cooperates with a screen to realize the solid-liquid phase separation of the materials, however, for some materials, the physical characteristics of the materials can be changed due to the extrusion action of the industrial pump, and the material separation process is long and complex, the power loss is large, and the production efficiency is low. Therefore, the traditional industrial solid-liquid separation equipment cannot adapt to the separation of materials, and the design of the solid-liquid separation equipment with high efficiency and no damage to the materials is urgently needed.
Disclosure of Invention
The invention aims to provide a centrifugal solid-liquid separator which utilizes centrifugal force generated by high-speed rotation of a rotary screen I and a rotary screen II which are relatively fixed to continuously separate a solid-liquid mixture, and the physical properties of materials are not influenced in the working process, so that the production efficiency is high.
The centrifugal solid-liquid separator comprises a fixed support, wherein a fixed outer cylinder is arranged at the upper part of the fixed support, a coaxial fixed inner cylinder is arranged in the fixed outer cylinder, a conical flange-shaped solid discharge hole is formed in the bottom of the fixed outer cylinder, the bottom of the fixed inner cylinder is closed, a liquid discharge hole penetrating through the side face of the fixed outer cylinder is formed in the bottom of the side face of the fixed inner cylinder, a conical rotary screen I is arranged at the upper opening part of the fixed inner cylinder, a rotary screen II which is adaptive to the shape of the rotary screen I is fixed in the rotary screen I, a rotary shaft is connected to the bottom of the rotary screen I, and the rotary shaft penetrates through the bottom of the fixed inner cylinder and is connected with a power mechanism.
Preferably, the upper opening part of the fixed outer cylinder is connected with a sealing cover, the center of the sealing cover is penetrated with a mixture feeding pipe, the bottom end of the mixture feeding pipe penetrates through the bottom position of the rotary screen mesh II, and a blanking hole is formed in the inner part of the rotary screen mesh II, positioned on the mixture feeding pipe.
Preferably, the cleaning device is arranged at the upper position of the second opening of the rotary screen, the cleaning device comprises a cylinder fixed outside the sealing cover, a liquid inlet pipe is connected to a piston rod of the cylinder, the bottom of the liquid inlet pipe penetrates through the sealing cover and is connected with a cleaning pipeline, the length of the cleaning pipeline is matched with the radius of the second opening of the rotary screen, one end of the cleaning pipeline is arranged at the upper position of the edge of the second opening of the rotary screen and is hinged to the inner side surface of the sealing cover, a cleaning spray head is arranged on the cleaning pipeline, and a liquid inlet is arranged at the top of the liquid inlet pipe.
Preferably, the bottom of the fixed inner cylinder is provided with a supporting plate rib, and the fixed inner cylinder is fixedly connected with the fixed outer cylinder through the supporting plate rib.
Preferably, the rotating shaft is positioned in the fixed inner cylinder and sleeved with the shaft sleeve, and the rotating shaft is sealed with the fixed inner cylinder through the shaft sleeve.
Preferably, the power mechanism comprises a belt wheel I, a belt wheel II, a belt and a motor, wherein the belt wheel I is arranged at the bottom end of the rotating shaft, the belt wheel II is arranged on the motor, the belt realizes transmission of the belt wheel I and the belt wheel II, an electromagnetic speed reducer is further connected to an output shaft of the motor, and the belt wheel II is connected with the motor through the electromagnetic speed reducer.
Preferably, a liquid level sensor is arranged at the bottom of the fixed inner cylinder.
Preferably, the fixing support is provided with a supporting spring, and the supporting spring is connected with the fixing support and the fixing outer cylinder.
Preferably, the first bottom of the rotary screen is provided with a rotary shaft connecting support and a second rotary screen fixing support, the second bottom of the rotary screen is provided with a connecting support, the second rotary screen fixing support is fixedly connected with the connecting support through bolts, and the rotary shaft connecting support is fixedly connected with the rotary shaft.
According to the centrifugal solid-liquid separator, the power mechanism is used for driving the rotary screen mesh II to rotate at a high speed, so that solid-liquid separation of a solid-liquid mixture entering the rotary screen mesh II is realized under the action of centrifugal force, liquid enters the fixed inner cylinder, moves upwards along the inner wall of the rotary screen mesh II under the action of centrifugal force, and is thrown out from the edge of the mouth of the rotary screen mesh II into the fixed outer cylinder.
The invention has the technical advantages that:
The centrifugal solid-liquid separator disclosed by the technical scheme of the invention has the advantages of compact structure, simplicity in operation, capability of rapidly realizing solid-liquid separation, no influence of physical characteristics caused by solid-liquid during solid-liquid separation and high separation efficiency.
Drawings
FIG. 1 is a schematic diagram of the whole structure of a centrifugal solid-liquid separator of the invention,
Figure 2 is an axial cross-sectional view of a centrifugal solid-liquid separator of the present invention,
Figure 3 is a top view of figure 1,
Fig. 4 is an enlarged view at B in fig. 2.
Detailed Description
In order to facilitate the understanding of the technical scheme of the present invention by those skilled in the art, the technical scheme of the present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 and 2, a centrifugal solid-liquid separator comprises a fixed support 1, a fixed outer cylinder 4 is arranged on the upper portion of the fixed support 1, a coaxial fixed inner cylinder 4-3 is arranged inside the fixed outer cylinder 4, a conical flange-shaped solid discharge port 3 is arranged at the bottom of the fixed outer cylinder 4, a liquid discharge port 4-1 penetrating through the side face of the fixed outer cylinder 4 is arranged at the bottom of the fixed inner cylinder 4-3 in a closed mode, a conical rotary screen 10 is arranged at the upper opening of the fixed inner cylinder 4-3, a rotary screen 9 which is adaptive to the shape of the rotary screen 10 is fixed inside the rotary screen 10, a rotary shaft 16 is connected to the bottom of the rotary screen 10, and the rotary shaft 16 penetrates through the bottom of the fixed inner cylinder 4-3 and is connected with a power mechanism.
As shown in fig. 1,2,3 and 4, the upper opening of the fixed outer cylinder 4 is connected with a sealing cover 6, a mixture feeding pipe 7 passes through the center of the sealing cover 6, the bottom end of the mixture feeding pipe 7 passes through the bottom of the rotary screen mesh two 9, and a blanking hole 7-1 is formed in the inner part of the rotary screen mesh two 9, where the mixture feeding pipe 7 is located.
As shown in fig. 2, a cleaning device is arranged at the upper part of the opening of the second rotary screen mesh 9, the cleaning device comprises a cylinder 8-4 fixed outside the sealing cover 6, a piston rod 8-1 of the cylinder 8-4 is connected with a liquid inlet pipe 8-5, the bottom of the liquid inlet pipe 8-5 penetrates through the sealing cover 6 and is connected with a cleaning pipeline 8-6, the length of the cleaning pipeline 8-6 is adapted to the radius of the opening of the second rotary screen mesh 9, one end of the cleaning pipeline 8-6 is arranged at the upper part of the edge of the opening of the second rotary screen mesh 9 and is hinged with the inner side surface of the sealing cover 6, a cleaning spray nozzle 8-7 is arranged on the cleaning pipeline 8-6, and a liquid inlet is arranged at the top of the liquid inlet pipe 8-5.
As shown in FIG. 2, a supporting plate rib 4-7 is arranged at the bottom of the fixed inner cylinder 4-3, the fixed inner cylinder 4-3 is fixedly connected with the fixed outer cylinder 4 through the supporting plate rib 4-7, a shaft sleeve 4-4 is sleeved in the rotating shaft 16 inside the fixed inner cylinder 4-3, the rotating shaft 16 is sealed with the fixed inner cylinder 4-3 through the shaft sleeve 4-4, the power mechanism comprises a belt pulley I15, a belt pulley II 13, a belt 14 and a motor 11, the belt pulley I15 is arranged at the bottom end of the rotating shaft 16, the belt pulley II 13 is arranged on the motor 11, the belt 14 realizes transmission of the belt pulley I15 and the belt pulley II 13, an electromagnetic speed reducer 12 is further connected to an output shaft of the motor 11, the belt pulley II 13 is connected with the motor 11 through the electromagnetic speed reducer 12, and a liquid level sensor 5 is arranged at the bottom of the fixed inner cylinder 4-3.
As shown in fig. 1, the fixing bracket 1 is provided with a supporting spring 2, and the supporting spring 2 connects the fixing bracket 1 with the fixing outer cylinder 4.
As shown in fig. 2 and 4, the bottom of the first rotating screen 9 is provided with a rotating shaft connecting bracket 10-1 and a second rotating screen fixing bracket 10-2, the bottom of the second rotating screen 9 is provided with a connecting bracket 9-1, the second rotating screen fixing bracket 10-2 and the connecting bracket 9-1 are fixedly connected through bolts 20, the rotating shaft connecting bracket 10-1 is fixedly connected with the rotating shaft 16, the second rotating screen fixing bracket 10-2 is arranged at the upper position of the rotating shaft connecting bracket 10-1, a certain distance is ensured between the two rotating screen fixing brackets, namely, the second rotating screen 9 is ensured to be positioned at a certain position on the upper part of the first rotating screen 10, the tight fitting of the first rotating screen 10 and the second rotating screen 9 is avoided, the solid-liquid separation efficiency of the first rotating screen 10 and the second rotating screen 9 during high-speed rotation is ensured, the cleaning efficiency during cleaning of the first rotating screen 10 and the second rotating screen 9 is convenient, and the phenomenon that fixed materials are accumulated between the first rotating screen 10 and the second rotating screen 9 is avoided.
As shown in fig. 1 to 4, the centrifugal solid-liquid separator according to the technical scheme of the invention has the following working modes: the motor 11 is started, the motor 11 drives the rotary screen two 9 and the rotary screen one 10 to do high-speed rotary motion, the mixture feeding pipe 7 is started, the mixture feeding pipe 7 for solid and liquid enters the rotary screen two 9, the rotation of the rotary screen two 9 and the rotary screen one 10 enables liquid in the mixture to quickly fall down through sieve holes on the rotary screen two 9 and the rotary screen one 10 and enter the fixed inner cylinder 4-3, separation of the liquid from the mixture is achieved, the rest of the fixed inside the rotary screen two 9 moves upwards under the action of centrifugal force of the high-speed rotation of the rotary screen two 9 and is pushed out by the edge of the upper opening of the rotary screen two 9 to directly enter the fixed outer cylinder 4, solid-liquid separation is achieved, liquid in the fixed inner cylinder 4-3 is discharged through the liquid discharging hole 4-1, and solid in the fixed outer cylinder 4 is discharged through the conical flange-shaped solid discharging hole 3 arranged at the bottom of the fixed outer cylinder 4, and complete solid-liquid separation is achieved.
As shown in figures 1 to 4, in the centrifugal solid-liquid separator according to the technical scheme of the invention, a rotary screen two 9 and a rotary screen one 10 work for a long time, the screen holes on the rotary screen two 9 and the rotary screen one 10 are very easy to be blocked, when the screen holes are blocked, liquid in a mixture cannot be smoothly separated into a fixed inner cylinder 4-3, when a liquid level sensor 5 arranged at the inner bottom of the fixed inner cylinder 4-3 senses that the liquid level of liquid materials in the fixed inner cylinder 4-3 is lower than the normal liquid level, the liquid level sensor 5 sends an alarm signal, a feeding device of a mixture feeding pipe 7 is cut off, the feeding of solid-liquid separation equipment is stopped, a motor 11 rotates at a low speed through a frequency converter, then a cylinder 8-4 works, a pneumatic cylinder piston rod 8-1 pushes a liquid inlet pipe 8-5 downwards, a cleaning pipeline 8-6 connected with the liquid inlet pipe 8-5 rotates downwards with a hinged end as a circle center until the cleaning pipeline 8-6 is close to the side wall of the rotary screen two 9, the cleaning nozzle 8-7 downwards pushes the rotary screen two 9 and the feeding pipe 7, the feeding device of the mixture feeding pipe 7 stops feeding the solid-liquid separation equipment, and the pneumatic cylinder 8-5 is reset after the pneumatic cylinder 8-6 is pushed upwards, and the pneumatic cylinder 8-6 is cleaned.
The technical scheme of the invention is described above by way of example with reference to the accompanying drawings, and it is apparent that the specific implementation of the invention is not limited by the above manner, and it is within the scope of the invention if various insubstantial improvements of the method concept and technical scheme of the invention are adopted or the inventive concept and technical scheme are directly applied to other occasions without improvement.
Claims (6)
1. The centrifugal solid-liquid separator comprises a fixed support, and is characterized in that a fixed outer cylinder is arranged on the upper portion of the fixed support, a coaxial fixed inner cylinder is arranged in the fixed outer cylinder, a conical flange-shaped solid discharge hole is formed in the bottom of the fixed outer cylinder, the bottom of the fixed inner cylinder is closed, a liquid discharge hole penetrating through the side face of the fixed outer cylinder is formed in the bottom of the side face of the fixed inner cylinder, a conical rotary screen I is arranged at the upper opening of the fixed inner cylinder, a rotary screen II which is adaptive to the shape of the rotary screen I is fixed in the rotary screen I, a rotary shaft is connected to the bottom of the rotary screen I, and the rotary shaft penetrates through the bottom of the fixed inner cylinder and is connected with a power mechanism; the upper opening part of the fixed outer cylinder is connected with a sealing cover, a mixture feeding pipe penetrates through the center of the sealing cover, the bottom end of the mixture feeding pipe penetrates through the bottom position of the rotary screen mesh II, and a blanking hole is formed in the part, located in the rotary screen mesh II, of the mixture feeding pipe; the cleaning device comprises a cylinder fixed outside the sealing cover, a piston rod of the cylinder is connected with a liquid inlet pipe, the bottom of the liquid inlet pipe penetrates through the sealing cover and is connected with a cleaning pipeline, the length of the cleaning pipeline is matched with the radius of the second opening of the rotary screen, one end of the cleaning pipeline is arranged at the upper position of the edge of the second opening of the rotary screen and is hinged with the inner side surface of the sealing cover, a cleaning spray nozzle is arranged on the cleaning pipeline, and the top of the liquid inlet pipe is provided with a liquid inlet; the bottom of the fixed inner cylinder is provided with a liquid level sensor.
2. The centrifugal solid-liquid separator according to claim 1, wherein the bottom of the fixed inner cylinder is provided with a support plate rib, and the fixed inner cylinder is fixedly connected with the fixed outer cylinder through the support plate rib.
3. The centrifugal solid-liquid separator according to claim 1, wherein the rotating shaft is positioned inside the fixed inner cylinder and is sleeved with a shaft sleeve, and the rotating shaft is sealed with the fixed inner cylinder through the shaft sleeve.
4. The centrifugal solid-liquid separator according to claim 1, wherein the power mechanism comprises a first belt pulley, a second belt pulley, a belt and a motor, the first belt pulley is arranged at the bottom end of the rotating shaft, the second belt pulley is arranged on the motor, the belt realizes transmission of the first belt pulley and the second belt pulley, an electromagnetic speed reducer is further connected to an output shaft of the motor, and the second belt pulley is connected with the motor through the electromagnetic speed reducer.
5. The centrifugal solid-liquid separator according to claim 1, wherein the fixing bracket is provided with a supporting spring, and the supporting spring connects the fixing bracket with the fixing outer cylinder.
6. The centrifugal solid-liquid separator according to claim 1, wherein the first rotary screen is provided with a rotary shaft connecting bracket and a second rotary screen fixing bracket at the bottom, the second rotary screen is provided with a connecting bracket, the second rotary screen fixing bracket is fixedly connected with the connecting bracket through bolts, and the rotary shaft connecting bracket is fixedly connected with the rotary shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710449725.2A CN109011798B (en) | 2017-06-08 | 2017-06-08 | Centrifugal solid-liquid separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710449725.2A CN109011798B (en) | 2017-06-08 | 2017-06-08 | Centrifugal solid-liquid separator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109011798A CN109011798A (en) | 2018-12-18 |
| CN109011798B true CN109011798B (en) | 2024-04-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710449725.2A Active CN109011798B (en) | 2017-06-08 | 2017-06-08 | Centrifugal solid-liquid separator |
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| Country | Link |
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| CN (1) | CN109011798B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111804021B (en) * | 2020-09-02 | 2020-12-08 | 广州初曲科技有限公司 | Concrete environmental protection sewage slag-liquid separation treatment facility |
| CN113149951A (en) * | 2021-03-31 | 2021-07-23 | 邵阳学院 | Process for separating dihydromyricetin from vine tea |
| CN114984701B (en) * | 2022-06-20 | 2023-04-14 | 苏州市职业大学 | Energy-concerving and environment-protective dust collecting equipment of construction |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2701531Y (en) * | 2004-06-16 | 2005-05-25 | 郑州精华淀粉工程技术开发有限公司 | Centrifugal type slag-slurry separating screen |
| CN204583498U (en) * | 2015-04-24 | 2015-08-26 | 桂林汇众化工设备有限公司 | Pulp water separation centrifuges |
| JP2015202430A (en) * | 2014-04-11 | 2015-11-16 | 憲二 實原 | solid-liquid separator |
| CN206809874U (en) * | 2017-06-08 | 2017-12-29 | 甘肃农业大学 | A kind of centrifugal separator for solid from liquid |
-
2017
- 2017-06-08 CN CN201710449725.2A patent/CN109011798B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2701531Y (en) * | 2004-06-16 | 2005-05-25 | 郑州精华淀粉工程技术开发有限公司 | Centrifugal type slag-slurry separating screen |
| JP2015202430A (en) * | 2014-04-11 | 2015-11-16 | 憲二 實原 | solid-liquid separator |
| CN204583498U (en) * | 2015-04-24 | 2015-08-26 | 桂林汇众化工设备有限公司 | Pulp water separation centrifuges |
| CN206809874U (en) * | 2017-06-08 | 2017-12-29 | 甘肃农业大学 | A kind of centrifugal separator for solid from liquid |
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| Publication number | Publication date |
|---|---|
| CN109011798A (en) | 2018-12-18 |
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