CN106902997B - Double-acting cyclone separator - Google Patents
Double-acting cyclone separator Download PDFInfo
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- CN106902997B CN106902997B CN201710103884.7A CN201710103884A CN106902997B CN 106902997 B CN106902997 B CN 106902997B CN 201710103884 A CN201710103884 A CN 201710103884A CN 106902997 B CN106902997 B CN 106902997B
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- exhaust pipe
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- cyclone cylinder
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
- B04C5/00—Apparatus in which the axial direction of the vortex is reversed
- B04C5/08—Vortex chamber constructions
- B04C5/103—Bodies or members, e.g. bulkheads, guides, in the vortex chamber
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
- B04C5/00—Apparatus in which the axial direction of the vortex is reversed
- B04C5/08—Vortex chamber constructions
- B04C5/087—Vortex chamber constructions with flexible gas-tight walls
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
- B04C5/00—Apparatus in which the axial direction of the vortex is reversed
- B04C5/08—Vortex chamber constructions
- B04C5/107—Cores; Devices for inducing an air-core in hydrocyclones
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
- B04C5/00—Apparatus in which the axial direction of the vortex is reversed
- B04C5/24—Multiple arrangement thereof
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Abstract
The invention provides a double-acting cyclone separator, and relates to a cyclone separator. The device solves the problem of more impurities in exhaust gas caused by airflow fluctuation in the prior art. The double-acting cyclone separator comprises cyclone cylinders, an air inlet pipe, an exhaust pipe and cyclone cylinder lower ports, wherein the cyclone cylinders are formed by communicating cylindrical cavities with conical cavities, the double-acting cyclone separator is characterized in that blades are arranged on the exhaust pipe, the exhaust pipe is rotatably matched with the cyclone cylinders, centrifugal wind wheels are arranged at outlets at the upper ends of the exhaust pipes, belt wheels are arranged at parts, extending out of the cyclone cylinders, of the exhaust pipes of the two cyclone separators, the two belt wheels are connected through a belt, and rotary sealing is carried out between the exhaust pipe and the cyclone cylinders through magnetic fluid. The invention reduces the influence of the fluctuation of the intake air flow on the air flow in the cyclone separator by utilizing the controllable rotating exhaust pipe, reduces the discharge amount of impurities along with the air flow, and improves the separation effect.
Description
Technical Field
The invention relates to a double-acting cyclone separator, in particular to a double-acting cyclone separator capable of maintaining stable airflow in the cyclone separator.
Background
Cyclone separators are a type of apparatus used for the separation of gas-solid systems or liquid-solid systems. The working principle is that solid particles or liquid drops with larger inertial centrifugal force are thrown to the outer wall surface for separation by the rotary motion caused by tangential introduction of air flow. Is a separating device with wide industrial application. For example, it can be used as an air filter or an oil-gas separator for motor vehicles.
When the impurity-containing gas enters the cyclone separator at high speed and then generates strong rotation, the gas flow enters the cyclone cylinder downwards along the cylinder in a spiral shape, which is called external rotational flow, and the liquid drops or dust particles with high density are thrown to the wall under the action of centrifugal force and fall along the cylinder wall to flow out of the lower port of the cyclone cylinder to be discharged under the action of gravity. The rotating air flow is contracted in the cylinder body to flow towards the center, forms a secondary vortex upwards and flows out through the air outlet pipe, and is called internal vortex.
The flow rate of the air flow entering the cyclone cylinder body is generally fluctuated, the abrasion of the cylinder wall is easy to occur, particles which are impacted on the cylinder wall are bounced into the middle ascending air flow to be discharged from the exhaust pipe, the ascending air flow at the lower port is enabled to rapidly rise, the upper part is slower, the ascending air flow cannot rapidly rise, and therefore disturbance at the lower port is increased, and more impurities are caused to the discharged air flow; whereas if the velocity of the air flow is low, the rising air flow is not favored. In addition, the fluctuation of the air flow can disturb the stable internal and external rotational flow formed in the cylinder body, so that more impurities are mixed in the discharged air.
Disclosure of Invention
The invention aims at solving the problems in the prior art and provides a double-acting cyclone separator which can adjust whether an exhaust pipe rotates or not according to requirements, solve the problem that the impurity of exhaust gas is more caused by air flow fluctuation, and prevent the disturbance influence of the air flow fluctuation on internal and external rotational flows.
The aim of the invention can be achieved by the following technical scheme: a double-acting cyclone separator comprises a cyclone cylinder body, an air inlet pipe, an air outlet pipe and a cyclone cylinder body lower port, wherein the cyclone cylinder body, the air inlet pipe, the air outlet pipe and the cyclone cylinder body lower port are formed by communicating a cylindrical cavity with a conical cavity. The exhaust pipe is rotatably matched with the cyclone cylinder body, and blades are arranged on the exhaust pipe. The part of the two cyclone separator exhaust pipes extending out of the cyclone cylinder body is provided with a belt wheel, and the two belt wheels are connected through a belt. The exhaust pipes of the two cyclone separators can synchronously rotate, and excessive fluctuation of the air flow rotating speed in the cylinder body is prevented. The two cyclone separators can be connected in parallel or in series. The exhaust pipe and the cyclone cylinder body are rotationally sealed through magnetic fluid.
In the double-acting cyclone separator, the blades in the cyclone cylinder body are a plurality of discs capable of freely moving along the axial direction of the exhaust pipe, a trapezoid protruding block with a small upper part and a big lower part is arranged on the exhaust pipe along the axial direction, notches matched with the protruding blocks are arranged on the discs, the notches on the discs are sequentially increased from top to bottom, certain intervals are reserved between the discs when the disc notches are clamped on the protruding blocks, the discs can move upwards from clamping points, the discs are soft iron discs, an electromagnet for attracting the discs is arranged on the cyclone cylinder body, a space for storing the discs is arranged in the cyclone cylinder body above the air inlet pipe, and the discs can be attracted together into the disc storage space by the electromagnet, so that the exhaust pipe stops rotating. When the electromagnet does not have magnetic force, the discs naturally fall under the action of gravity, and due to the fact that gaps on the discs are different in size, different discs are clamped at different positions of the trapezoid protruding blocks, the distance between the discs is not too large, and air flows into the cyclone cylinder to flow through the discs, and the discs drive the exhaust pipe to rotate due to friction. Because the exhaust pipe has certain inertial mass, the function of maintaining the stable rotation speed of the air flow is achieved, the disturbance of the air flow fluctuation to the air flow in the cyclone body is prevented, when the flow speed of the air flow is high, part of energy is converted into kinetic energy of the rotation of the exhaust pipe, and when the flow speed of the air flow is low, the disc converts part of kinetic energy of the exhaust pipe into kinetic energy of the air flow. The centrifugal wind wheel is arranged at the outlet of the upper end of the exhaust pipe and is coaxial with the exhaust pipe, so that the centrifugal wind wheel rotates to accelerate the exhaust of the air flow by the exhaust pipe when the exhaust pipe rotates, thereby accelerating the suction of the air flow formed at the bottom port of the cyclone cylinder into the exhaust pipe and preventing the disturbance of the air flow with the external cyclone air flow.
In the double-acting cyclone separator, the blades in the cyclone cylinder body are helical blades, and air flow enters the cyclone cylinder to impact the helical blades so that the exhaust pipe rotates. The spiral blade has the effect of guiding air flow, and has the effect of maintaining the stable air flow rotating speed due to the fact that the exhaust pipe has certain inertial mass, so that the disturbance effect of air flow fluctuation on the air flow in the cyclone body is prevented, when the air flow speed is high, part of energy can be converted into the kinetic energy of the air pipe for rotating, and when the air flow speed is low, the spiral blade converts part of the kinetic energy of the air pipe into the kinetic energy of the air flow. The centrifugal wind wheel is arranged at the outlet of the upper end of the exhaust pipe and is coaxial with the exhaust pipe, so that the centrifugal wind wheel rotates to accelerate the exhaust of the air flow by the exhaust pipe when the exhaust pipe rotates, thereby accelerating the suction of the air flow formed at the bottom port of the cyclone cylinder into the exhaust pipe and preventing the disturbance of the air flow with the external cyclone air flow.
In the double-acting cyclone separator, the lower port of the cyclone cylinder is provided with a flow blocking cone, namely a cone which is usually arranged at the lower port of the cyclone cylinder and is used for enabling internal rotational airflow to flow back better and preventing impurities from flowing back. The choke cone is connected with the lower end of the exhaust pipe through a connecting rod, and spiral blades are arranged on the conical surface of the choke cone. The exhaust pipe is enabled to rotate to drive the flow blocking cone to rotate, the spiral blades can enable falling impurities to be discharged rapidly, the impurities are enabled to be accelerated to swing around, and the impurities are prevented from being taken away by rising internal rotation air flow and accumulated in a hopper below.
In the double-acting cyclone separator, a core rod is arranged at the axial line position in the exhaust pipe, the core rod is connected through the cyclone cylinder body, and the bottom end of the core rod extends to the lower port of the cyclone cylinder body. In the operation process of the dust remover, the central part of the dust remover is in a low-pressure state, so that internal rotation short circuit, secondary dust and dust flow horizontally from the cylinder wall to the center are easily caused, and the purification efficiency is reduced. The core rod is arranged in the center of the core rod, which can prevent siphoning and eliminate the defects.
In the double-acting cyclone separator, four lugs are symmetrically arranged along the circumferential direction of the exhaust pipe.
Compared with the prior art, the double-acting cyclone separator has the following advantages:
the invention uses the rotatable exhaust pipe to reduce the influence of the fluctuation of the intake air flow on the air flow in the separator, reduces the discharge amount of impurities along with the air flow, improves the separation effect, and uses the electromagnet to control whether the exhaust pipe rotates or not so as to adapt to the actual working requirement.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of a cyclone separator according to a first embodiment;
FIG. 3 is a schematic view of a centrifugal wind wheel;
FIG. 4 is a schematic view of a configuration in which two cyclones are connected in series;
FIG. 5 is a schematic diagram of a second embodiment;
FIG. 6 is a schematic view of a cyclone separator of embodiment two;
FIG. 7 is an axial schematic view of an exhaust pipe provided with trapezoidal bumps;
FIG. 8 is a schematic view of FIG. 7 with discs engaged;
FIG. 9 is a schematic view showing a state in which a disc is attracted by an electromagnet;
fig. 10 is a schematic diagram of embodiment three.
In the figure, a cyclone cylinder body 1, a disc storage space 102, an air inlet pipe 2, an air outlet pipe 3, a spiral blade 5, a disc 50, a notch 501, a centrifugal wind wheel 6, a choke cone 7, a choke cone connecting rod 8, a magnetic fluid rotary seal 9, a belt pulley 10, a belt 11, a core rod 14, a trapezoid lug 16 and an electromagnet 17.
Detailed Description
The following are specific embodiments of the present invention, and the technical solutions of the present invention are further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
Example 1
As shown in fig. 1, 2, 3 and 4, the cyclone separator comprises a cyclone cylinder body 1, an air inlet pipe 2, an air outlet pipe 3 and a lower port of the cyclone cylinder body, wherein the cyclone cylinder body 1 is formed by communicating a cylindrical cavity with a conical cavity. The exhaust pipe is rotatably matched with the cyclone cylinder body, for example, the exhaust pipe and the cyclone cylinder body are in clearance fit, a belt wheel 10 is arranged at the part, extending out of the cyclone cylinder body, of the exhaust pipe of the two cyclone separators, the two belt wheels are connected through a belt 11, a belt wheel is arranged at the part, extending out of the cyclone cylinder body, of the exhaust pipe of the two cyclone separators, and the two belt wheels are connected through the belt. The exhaust pipes of the two cyclone separators can synchronously rotate, and excessive fluctuation of the air flow rotating speed in the cylinder body is prevented. The two cyclone separators can be connected in parallel, namely, the air inlet pipes of the two cyclone separators are connected in parallel, and the two cyclone separators can also be connected in series, the air outlet pipe of one cyclone separator is communicated with the air inlet pipe of the other cyclone separator, and the joint of the pipe bodies is in rotary connection.
The exhaust pipe in the cyclone cylinder is provided with a helical blade 5, and air flow enters the cyclone cylinder to impact the helical blade so that the exhaust pipe rotates. The spiral blade has the effect of guiding the air flow, and the exhaust pipe has certain inertial mass, so that the air flow stability is maintained, and the disturbance of the air flow fluctuation to the air flow in the cyclone body is prevented. The centrifugal wind wheel 6 is arranged at the outlet of the upper end of the exhaust pipe, and is similar to a centrifugal fan of the range hood, an air inlet of the centrifugal fan is communicated with the exhaust pipe, and the centrifugal wind wheel is coaxial with the exhaust pipe, so that the centrifugal wind wheel rotates to accelerate the exhaust pipe to discharge air flow when the exhaust pipe rotates, and air flow formed at the bottom port of the cyclone cylinder body is sucked into the exhaust pipe in an accelerating manner, and the mixing with external swirling air flow is prevented.
In the double-acting cyclone separator, the lower port of the cyclone cylinder is provided with a flow blocking cone, namely a cone-shaped body which is normally arranged at the lower port of the cyclone cylinder and is used for preventing impurities from flowing backwards for better backflow of internal rotational airflow. The choke cone is connected with the lower end of the exhaust pipe through a choke cone connecting rod 8, and a spiral blade is arranged on the conical surface of the choke cone. The exhaust pipe is enabled to rotate to drive the flow blocking cone to rotate, the spiral blades can enable falling impurities to be discharged rapidly, the impurities are enabled to be accelerated to swing around, and the impurities are prevented from being taken away by rising internal rotation air flow and accumulated in a hopper below.
In the double-acting cyclone separator, the magnetic fluid rotary seal 9 is preferably adopted between the exhaust pipe and the cyclone cylinder body, so that the exhaust pipe can conveniently rotate and move up and down under the condition of good sealing gas.
Example two
As shown in fig. 5, 6, 7 and 8, the double-acting cyclone separator comprises a cyclone cylinder body 1, an air inlet pipe 2, an air outlet pipe 3 and a lower port of the cyclone cylinder body, wherein the cyclone cylinder body 1 is formed by communicating a cylindrical cavity with a conical cavity. The exhaust pipe is rotatably matched with the cyclone cylinder body, for example, the exhaust pipe is sleeved with a plurality of discs 50 which can freely move along the axial direction of the exhaust pipe, a trapezoid protruding block 16 with a small upper part and a big lower part is axially arranged on the exhaust pipe, notches 501 matched with the protruding block are arranged on the discs, the notches on the discs are sequentially increased from top to bottom, a certain distance is reserved between the discs when the disc notches are clamped on the protruding block, the discs can move upwards from a clamping point, the discs are soft iron sheets, an electromagnet 17 for attracting the discs is arranged on the cyclone cylinder body, and a space for storing the discs is arranged in the cyclone cylinder body above the air inlet pipe, so that the discs can be attracted together into the disc storage space 102 by using the electromagnet, and the exhaust pipe stops rotating as shown in fig. 9. When the electromagnet does not have magnetic force, the discs naturally fall under the action of gravity, and due to the fact that gaps on the discs are different in size, different discs are clamped at different positions of the trapezoid protruding blocks, the distance between the discs is not too large, and air flows into the cyclone cylinder to flow through the discs, and the discs drive the exhaust pipe to rotate due to friction. Because the exhaust pipe has certain inertial mass, the function of maintaining the stable rotation speed of the air flow is achieved, the disturbance of the air flow fluctuation to the air flow in the cyclone body is prevented, when the flow speed of the air flow is high, part of energy is converted into kinetic energy of the rotation of the exhaust pipe, and when the flow speed of the air flow is low, the disc converts part of kinetic energy of the exhaust pipe into kinetic energy of the air flow. The centrifugal wind wheel is arranged at the outlet of the upper end of the exhaust pipe and is coaxial with the exhaust pipe, so that the centrifugal wind wheel rotates to accelerate the exhaust of the air flow by the exhaust pipe when the exhaust pipe rotates, thereby accelerating the suction of the air flow formed at the bottom port of the cyclone cylinder into the exhaust pipe and preventing the disturbance of the air flow with the external cyclone air flow. Four convex blocks are symmetrically arranged along the circumferential direction of the exhaust pipe.
Example III
As shown in fig. 10, in the double-acting cyclone separator, a core rod 14 is arranged at the axial line position in the exhaust pipe, the core rod is connected through a cyclone cylinder, and the bottom end of the core rod extends to the lower port of the cyclone cylinder. In the operation process of the dust remover, the central part of the dust remover is in a low-pressure state, so that internal rotation short circuit, secondary dust and dust flow horizontally from the cylinder wall to the center are easily caused, and the purification efficiency is reduced. The core rod is arranged in the center of the core rod, which can prevent siphoning and eliminate the defects.
Although some terms are used more herein, the possibility of using other terms is not excluded. These terms are used merely for convenience in describing and explaining the nature of the invention; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present invention.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (6)
1. The double-acting cyclone separator comprises a cyclone cylinder body, an air inlet pipe, an air exhaust pipe and a cyclone cylinder body lower port, wherein the cyclone cylinder body, the air inlet pipe, the air exhaust pipe and the cyclone cylinder body lower port are formed by communicating a cylindrical cavity with a conical cavity, the air exhaust pipe is characterized in that blades are arranged on the air exhaust pipe, the air exhaust pipe is rotatably matched with the cyclone cylinder body, a centrifugal wind wheel is arranged at an outlet at the upper end of the air exhaust pipe, the centrifugal wind wheel is coaxial with the air exhaust pipe, belt wheels are arranged at the parts, extending out of the cyclone cylinder bodies, of the two cyclone separator air exhaust pipes are connected through belts, rotary sealing is carried out between the air exhaust pipe and the cyclone cylinder body through magnetic fluid, the blades on the air exhaust pipe are sleeved with a plurality of discs capable of freely moving along the axial direction of the air exhaust pipe, trapezoid protruding blocks with the upper small and lower large top and bottom are arranged on the air exhaust pipe, gaps matched with the protruding blocks are sequentially increased from top to bottom, a certain distance is reserved between the discs when the gaps are clamped on the protruding blocks, and an electromagnet for attracting the discs can move upwards from the clamping points is arranged on the cyclone cylinder body; the disc is a soft iron disc, and a space for storing the disc is arranged in the cyclone cylinder body above the air inlet pipe.
2. The double-acting cyclone separator according to claim 1, wherein the lower port of the cyclone cylinder is provided with a flow blocking cone, the flow blocking cone is connected with the lower end of the exhaust pipe through a connecting rod, and a spiral blade is arranged on the conical surface of the flow blocking cone.
3. The double-acting cyclone separator according to claim 1, wherein a core rod is arranged at the axial position in the exhaust pipe, the core rod is connected through a cyclone cylinder, and the bottom end of the core rod extends to the lower port of the cyclone cylinder.
4. A double-acting cyclone separator according to claim 1, wherein four projections are symmetrically arranged along the circumference of the exhaust pipe.
5. Double acting cyclone according to claim 1, characterized in that the two cyclones are connected in parallel.
6. A double acting cyclone according to claim 1, wherein the two cyclones are connected in series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710103884.7A CN106902997B (en) | 2017-02-24 | 2017-02-24 | Double-acting cyclone separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710103884.7A CN106902997B (en) | 2017-02-24 | 2017-02-24 | Double-acting cyclone separator |
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| CN106902997A CN106902997A (en) | 2017-06-30 |
| CN106902997B true CN106902997B (en) | 2023-07-14 |
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| CN201710103884.7A Active CN106902997B (en) | 2017-02-24 | 2017-02-24 | Double-acting cyclone separator |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107322322B (en) * | 2017-08-18 | 2018-11-16 | 重庆市环岛机械制造有限公司 | Accessory bottom outlet drilling equipment |
| CN108114537A (en) * | 2017-12-20 | 2018-06-05 | 南京工业大学 | A kind of hypergravity High Temperature Rotating deduster |
| CN110954457B (en) * | 2019-12-23 | 2022-01-14 | 河北山宝环境工程有限责任公司 | Dust data intelligent acquisition device |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2110891A1 (en) * | 1971-03-08 | 1972-09-21 | Mikropul Mahl & Staubtech Gmbh | Cyclone separator - having rotating inner exhaust duct |
| US5229014A (en) * | 1991-12-18 | 1993-07-20 | Vortech International, Inc. | High efficiency centrifugal separation apparatus and method using impeller |
| CN2182679Y (en) * | 1994-03-15 | 1994-11-16 | 李素更 | Multi-tube rotary wind dust-remover |
| CN2308442Y (en) * | 1997-01-03 | 1999-02-24 | 成都建工机械股份有限公司 | Cyclone separating unit for gas-solid separation |
| CN101147895B (en) * | 2006-09-22 | 2010-06-16 | 上海工程技术大学 | Cyclone type dust-cleaning device cyclone |
| CN201692886U (en) * | 2010-04-20 | 2011-01-05 | 武汉英吉利尔涂装科技有限公司 | Effective multicyclone with adjustable air volume |
| CN204469918U (en) * | 2015-02-09 | 2015-07-15 | 江南大学 | A kind of cyclone with rotating dish-style mozzle |
| CN205667909U (en) * | 2016-06-12 | 2016-11-02 | 河北鑫星调压器有限公司 | A kind of novel Whirlwind cyclone of cyclonic separation |
| CN206549855U (en) * | 2017-02-24 | 2017-10-13 | 宁波神通模塑有限公司 | A kind of double acting cyclone separator |
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2017
- 2017-02-24 CN CN201710103884.7A patent/CN106902997B/en active Active
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Address after: 315408 788 Tanjialing West Road, Yuyao City, Ningbo City, Zhejiang Province Applicant after: SHENTONG TECHNOLOGY GROUP Co.,Ltd. Address before: 315408 788 Tanjialing West Road, Yuyao City, Ningbo City, Zhejiang Province Applicant before: NINGBO SHENTONG MOULD & PLASTIC Co.,Ltd. |
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