CN112892893B - Multistage telescopic adjustable guide vane type cyclone separation device - Google Patents
Multistage telescopic adjustable guide vane type cyclone separation device Download PDFInfo
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- CN112892893B CN112892893B CN202110063550.8A CN202110063550A CN112892893B CN 112892893 B CN112892893 B CN 112892893B CN 202110063550 A CN202110063550 A CN 202110063550A CN 112892893 B CN112892893 B CN 112892893B
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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
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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
- B04C5/12—Construction of the overflow ducting, e.g. diffusing or spiral exits
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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
- B04C5/14—Construction of the underflow ducting; Apex constructions; Discharge arrangements ; discharge through sidewall provided with a few slits or perforations
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Abstract
The invention relates to a multi-stage telescopic adjustable guide vane type cyclone separation device which comprises a multi-stage telescopic overflow pipe, a columnar cyclone cavity, a double-cone cyclone cavity, a multi-stage telescopic underflow pipe, a sieve tube and bearing vanes, wherein the cylindrical cyclone cavity is arranged in the middle of the multi-stage telescopic overflow pipe; the multistage telescopic overflow pipe consists of a first-stage overflow pipe, a second-stage overflow pipe and a third-stage overflow pipe which can be coaxially clamped; a first sealing groove for placing a primary overflow sealing ring is arranged on the inner wall of the upper end of the primary overflow pipe; the second-stage overflow pipe is inserted into the first-stage overflow pipe; an inner boss is arranged at the upper end of the secondary overflow pipe, and a second sealing groove for placing a secondary overflow sealing ring is arranged on the inner wall of the inner boss; the third-stage overflow pipe is inserted into the second-stage overflow pipe; the upper end of the third-level overflow pipe is provided with an overflow port, the lower end of the third-level overflow pipe is provided with an outer boss, and the outer boss is matched with an inner boss of the second-level overflow pipe to prevent the third-level overflow pipe from being separated from the second-level overflow pipe. The invention can adjust the position of the blade to enhance the applicability of the cyclone separation device to various complex working conditions and has high separation efficiency.
Description
Technical Field
The invention relates to a separation device of a mixed phase, in particular to a multi-stage telescopic adjustable guide vane type cyclone separation device.
Background
Nowadays, the hydrocyclone has the advantages of strong adaptability, simple structure, small volume, convenience in loading and unloading, high-efficiency and flexible separation, simple process, continuous operation and the like, and is widely applied to multiple fields of petroleum, chemical industry, metallurgy, environmental protection, electric power, water treatment and the like. However, in practical applications, the separation performance of the hydrocyclone is affected by many factors, such as the shape, size and installation manner of the liquid inlet. The insertion depth of the overflow pipe and the underflow pipe is usually determined in the use process of the hydrocyclone, but the extension length of the overflow pipe, the positions of the blades and the length of the tail pipe section have obvious influence on the separation efficiency of the hydrocyclone, and the hydrocyclone can adapt to the working conditions of different flow rates or liquid inlet quantities only by integral replacement in the practical use process. This approach is firstly costly and secondly the operation process is complex and difficult to adjust continuously in time to adapt to varying flow rates or flows, so that the optimum separation efficiency cannot be maintained, resulting in a limited application of the cyclone under a number of separation conditions. In addition, the guide vane type swirler also has the defects of fixed structure, incapability of adjusting according to requirements and the like.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a multi-stage telescopic adjustable guide vane type cyclone separation device, which can adjust the position of a guide vane inserted into a cyclone to enhance the applicability of the cyclone separation device to various complex working conditions such as different liquid inlet flow rates, different liquid inlet flow conditions and the like, can improve the separation efficiency of the cyclone by the design of the guide vane, reduces the separation cost, has simple treatment process, and can be widely accepted and applied in the multi-phase flow separation field such as petroleum, environmental protection and the like.
The invention has the following specific technical scheme that the multistage telescopic adjustable guide vane type cyclone separation device is characterized by comprising a multistage telescopic overflow pipe, a columnar cyclone cavity, a double-cone cyclone cavity, a multistage telescopic underflow pipe, a sieve tube and bearing vanes;
the multistage telescopic overflow pipe consists of a first-stage overflow pipe, a second-stage overflow pipe and a third-stage overflow pipe which can be coaxially clamped; the primary overflow pipe is connected with the cylindrical cyclone cavity; the columnar vortex cavity is coaxially connected with the multistage telescopic underflow pipe through the biconical vortex cavity, and the bottom end of the multistage telescopic underflow pipe is an underflow outlet; the sieve hole pipe is connected with the bottom end of the third-stage overflow pipe; the bearing blades are arranged at the bottom end of the sieve pore pipe in the cylindrical cyclone cavity; a liquid inlet pipe is arranged on the side wall of the middle upper part of the cyclone separation device and is communicated with the interior of the columnar cyclone cavity;
a first sealing groove for placing a primary overflow sealing ring is formed in the inner wall of the upper end of the primary overflow pipe; the secondary overflow pipe is inserted into the primary overflow pipe and can axially move in the primary overflow pipe; an inner boss is arranged at the upper end of the secondary overflow pipe, and a second sealing groove for placing a secondary overflow sealing ring is arranged on the inner wall of the inner boss; the third-stage overflow pipe is inserted into the second-stage overflow pipe and can axially move in the second-stage overflow pipe; the upper end of the third-stage overflow pipe is provided with an overflow port, the lower end of the third-stage overflow pipe is provided with an outer boss, and the outer boss is matched with the inner boss of the second-stage overflow pipe to prevent the third-stage overflow pipe from separating from the second-stage overflow pipe.
Furthermore, the multistage telescopic underflow pipe comprises a primary underflow pipe, a secondary underflow pipe and a tertiary underflow pipe; the primary underflow pipe is connected with the biconical rotational flow cavity; the secondary underflow pipe is axially inserted into the primary underflow pipe, and the tertiary underflow pipe is axially inserted into the secondary underflow pipe;
the lower end of the inner wall of the primary underflow pipe and the lower end of the inner wall of the secondary underflow pipe are respectively provided with the inner bosses, and the side walls of the inner bosses are respectively provided with a primary groove for placing a primary underflow sealing ring and a secondary groove for placing a secondary underflow sealing ring; a plurality of hook-shaped buckles with certain flexibility are respectively and uniformly distributed on the inner walls of the primary underflow pipe and the secondary underflow pipe above the inner boss;
the upper end of the secondary underflow pipe is provided with the outer boss matched with the inner boss of the primary underflow pipe, and the upper end of the tertiary underflow pipe is provided with the outer boss matched with the inner boss of the secondary underflow pipe; a plurality of chutes matched with the hook-shaped buckles are uniformly distributed on the outer lug boss.
Further, the sliding groove comprises a rectangular buckle groove, a triangular sliding way and a rectangular sliding-out groove; the rectangular buckle groove is communicated with the rectangular sliding-out groove through the triangular slide way, the rectangular sliding-out groove is perpendicularly connected with the triangular slide way, and the rectangular sliding-out groove is axially parallel to the cyclone separation device.
Furthermore, a plurality of buckle grooves are respectively and uniformly distributed on the inner wall below the first seal groove of the primary overflow pipe and the inner wall below the inner boss of the secondary overflow pipe; a plurality of circular holes matched with the buckle grooves of the first-stage overflow pipe are uniformly distributed on the outer wall of the outer boss arranged on the lower end face of the second-stage overflow pipe, and a plurality of circular holes matched with the buckle grooves of the second-stage overflow pipe are uniformly distributed on the side wall of the outer boss of the third-stage overflow pipe; a spring is placed in the circular hole and connected with the circular buckle; the circular buckle is arranged on the circular hole, can enter the circular hole under external extrusion, and is pushed into the buckle groove by the spring when the position of the circular buckle corresponds to that of the buckle groove.
Furthermore, the buckle groove is a circular buckle groove, the two axial ends of the buckle groove are in a platform structure, and the two radial ends of the buckle groove are in an arc-shaped structure; the circular buckle comprises an arc section and a cylindrical section, and the upper end surface and the lower end surface of the arc section are of platform structures and are matched with the platform structures of the buckle grooves; the cylindrical section upper end is provided with rectangle boss, the circular port up end is provided with rectangular groove, rectangle boss and rectangular groove cooperate.
Furthermore, the liquid inlet pipe is a horn-shaped tapered horn-shaped liquid inlet pipe.
Furthermore, the ox horn liquid inlet pipe is tangentially arranged on the outer wall of the cylindrical cyclone cavity at an angle of 60 degrees relative to the axial direction of the cyclone separation device.
Furthermore, the biconical vortex cavity is formed by sequentially connecting a large conical section, a small conical section and a column section.
Furthermore, the bearing blade includes bearing inner race, bearing steel ball, blade, bearing inner race, the bearing inner race cup joints through the upper end boss the mesh tube bottom, the bearing inner race is coaxial to be set up outside the bearing inner race, it is a plurality of bearing steel ball equipartition is in the bearing inner race with between the bearing inner race, it is a plurality of the blade encircles the equipartition and installs on the lateral wall of bearing inner race.
Furthermore, the appearance structure of the blade is a streamline structure with two high sides and a slightly low middle.
The invention has the beneficial effects that:
the invention has the advantages of simple structure, easy operation, high separation efficiency, strong practicability, convenient manufacture, small damage to the pipe wall, realization of multiple purposes of one device, cost saving, higher feasibility and wide application in the multi-phase flow separation field of petroleum, environmental protection and the like. The invention realizes the position adjustment of the bearing blade by adjusting the length of the multistage telescopic overflow pipe, and can further change the volume of the separation cavity by adjusting the length of the multistage telescopic underflow pipe, so that the cyclone separation device can keep the optimal separation efficiency and the optimal separation performance under different working conditions of different liquid inlet flow rates, different liquid inlet quantities and the like of a mixed phase, and is more suitable for various complex working conditions under different liquid inlet conditions, thereby overcoming the problems of poor treatment performance, low separation efficiency and the like of the conventional cyclone separation device under the working condition that the liquid inlet quantity cannot be changed because the flow guide height cannot be adjusted in time in the using process.
In addition, the multi-polarization connection among the primary overflow pipe, the secondary overflow pipe, the tertiary overflow pipe and among the primary underflow pipe, the secondary underflow pipe and the tertiary underflow pipe also enhances the applicability of the cyclone separation device to various working conditions.
In addition, the multistage telescopic overflow pipe and the multistage telescopic underflow pipe also adopt primary and secondary sealing, so that the sealing performance of the corresponding cyclone separation device is further enhanced, and the stable operation of the cyclone separation device and the optimal separation efficiency are better kept. The blade of the streamline shape with two high sides and slightly low middle can gather more mixed phases, and the double-cone vortex cavity and the tapered ox horn liquid inlet pipe can better guide the flow.
Drawings
FIG. 1 is an overall appearance diagram of a multistage telescopic adjustable guide vane type cyclone separation device of the invention;
FIG. 2 is an axial sectional view of the multi-stage telescopic adjustable guide vane type cyclone separation device of the present invention;
FIG. 3 is an overall exploded view of the multi-stage telescopic adjustable guide vane type cyclone separation device of the present invention;
FIG. 4 is an external view of the round buckle of the present invention;
FIG. 5 is an exploded view of the circular clip, the spring and the three-stage overflow pipe of the present invention;
FIG. 6 is an axial sectional view of the circular clip and spring assembly of the present invention;
FIG. 7 is an enlarged view of a portion of the circular snap groove of the present invention;
FIG. 8 is an axial sectional view of the circular clip and circular clip groove assembly of the present invention;
FIG. 9 is an exploded view of a primary overflow tube and a secondary overflow tube according to the present invention;
FIG. 10 is an exploded view of a second stage overflow pipe and a third stage overflow pipe according to the present invention;
FIG. 11 is an exploded view of a multi-stage telescopic overflow pipe according to the present invention;
FIG. 12 is an external view of a cylindrical cyclone chamber and a ox horn liquid inlet pipe according to the present invention;
FIG. 13 is an overall external view of a bearing blade according to the present invention;
FIG. 14 is an assembly view of a bearing vane and a screen hole tube according to the present invention;
FIG. 15 is an axial cross-sectional view of a hook-type fastener of the present invention;
FIG. 16 is an external view of a rectangular snap groove, a triangular slide and a rectangular slide-out slot of the present invention;
FIG. 17 is an axial sectional view of the hook type fastener and rectangular fastener groove assembly of the present invention;
FIG. 18 is an axial cross-sectional view of the multi-stage telescoping underflow pipe of the present invention.
Wherein: 1-multistage telescopic overflow pipe, 2-columnar vortex cavity, 3-biconical vortex cavity, 4-multistage telescopic underflow pipe, 5-sieve hole pipe, 6-bearing blade, 7-third stage overflow pipe, 8-spring, 9-circular buckle, 10-second stage overflow pipe, 11-second stage overflow sealing ring, 12-first stage overflow pipe, 13-first stage overflow sealing ring, 14-bearing inner ring, 15-bearing steel ball, 16-blade, 17-ox horn liquid inlet pipe, 18-columnar vortex cavity shell, 19-first stage underflow pipe, 20-first stage underflow sealing ring, 21-hook type buckle, 22-second stage underflow pipe, 23-second stage underflow sealing ring and 24-third stage underflow pipe.
Detailed Description
In order to make those skilled in the art better understand the technical solutions of the present application, the present invention will be further described in detail below with reference to the accompanying drawings and examples.
The terms of orientation such as up, down, left, right, front, and rear in the present specification are established based on the positional relationship shown in the drawings. The corresponding positional relationship may also vary depending on the drawings, and therefore, should not be construed as limiting the scope of protection.
In the present invention, the terms "mounted," "connected," "fixed," and the like are to be understood in a broad sense, and for example, may be fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected or capable of communicating with each other, directly connected, indirectly connected through an intermediate medium, or communicated between two components, or interacting between two components. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
This embodiment has recorded a multistage flexible adjustable water conservancy diversion vane type cyclone separation device, mainly solves current cyclone separation device fixed structure, can't carry out the problem effectively adjusted in real time according to operating condition.
As shown in figure 1, the cyclone separation device is mainly formed by coaxially connecting a multi-stage telescopic overflow pipe 1, a columnar cyclone cavity 2, a double-cone cyclone cavity 3 and a multi-stage telescopic underflow pipe 4. The multistage telescopic overflow pipe 1 is arranged at the axial top end of the cyclone separation device, the top end of the multistage telescopic overflow pipe 1 is an overflow port of the cyclone separation device, the bottom end of the multistage telescopic overflow pipe 1 is connected with the biconical cyclone cavity 3 through the cylindrical cyclone cavity 2, the top end of the multistage telescopic underflow pipe 4 is connected with the biconical cyclone cavity 3, and the bottom end of the multistage telescopic underflow pipe is an underflow outlet of the cyclone separation device. Install the feed liquor inlet pipe on cyclone separation device's well upper portion lateral wall, the feed liquor inlet pipe is installed on cylindrical whirl chamber 2 among this embodiment, and the mixed phase flows into in the cylindrical whirl chamber 2 through the feed liquor inlet pipe. The end surfaces of the overflow port, the underflow outlet and the liquid inlet are respectively welded with flange plates, and the connection of the cyclone separation device and other devices is realized through the flange plates.
As shown in fig. 2 and 3, a flow guide device composed of a perforated pipe 5 and a bearing blade 6 is arranged in the cyclone separation device. The bottom of the multistage telescopic overflow pipe 1 is inserted into the cylindrical vortex chamber 2, and the two ends of the sieve tube 5 are respectively inserted into the multistage telescopic overflow pipe 1 and the cylindrical vortex chamber 2 and are connected with the multistage telescopic overflow pipe 1 in a welding manner. The bottom end of the sieve hole pipe 5 is connected with the bearing blade 6 through a bolt. Through the axial of the multi-stage telescopic overflow pipe 1 is telescopic, the bearing blades 6 can be driven to carry out height adjustment in the cylindrical cyclone cavity 2, so that the cyclone separation device can keep the optimal separation efficiency under different working conditions, adapt to different working conditions and save the cost. The mixed phase flows into the columnar vortex cavity 2 through the liquid inlet pipe via the liquid inlet pipe, the bearing blades 6 are driven to rotate, the light phase (such as gas) is discharged from the overflow port along the multistage telescopic overflow pipe 1 under the action of the density difference between the mixed phases, and the heavy phase (such as liquid) flows out from the underflow outlet via the multistage telescopic underflow pipe 4.
In the embodiment, the multistage telescopic overflow pipe 1 and the multistage telescopic underflow pipe 4 are formed by connecting and combining a plurality of sections of pipes, so that the cyclone separation device is suitable for actual working conditions and is optimally adjusted.
As shown in fig. 2 to 11, the multi-stage telescopic overflow pipe 1 is formed by clamping a first-stage overflow pipe 12, a second-stage overflow pipe 10 and a third-stage overflow pipe 7, so that multi-polarization adjustment of the second-stage overflow pipe 10 and the third-stage overflow pipe 7 is realized, and multi-polarization adjustment of the height of the diversion device under different working conditions is realized.
The lower end of the first-stage overflow pipe 12 is inserted into the columnar vortex cavity 2, and the upper end of the first-stage overflow pipe is welded with a flange plate and connected with the columnar vortex cavity 2 through the flange plate. A first sealing groove is formed in the inner wall of the upper end face of a flange plate of the primary overflow pipe 12, and a plurality of buckle grooves are uniformly distributed in the inner wall of the primary overflow pipe 12 below the first sealing groove.
The secondary overflow tube 10 is inserted into the primary overflow tube 12 and is capable of axial movement within the primary overflow tube 12. And a primary overflow sealing ring 13 is arranged in the first sealing groove to realize the sealing between the primary overflow pipe 12 and the secondary overflow pipe 10. Terminal surface is equipped with outer boss under second grade overflow pipe 10, and the equipartition has a plurality of and one-level overflow pipe 12's buckle recess assorted circular ports on outer boss outer wall, and spring 8 is placed in the circular port, and spring 8 links to each other with circular buckle 9, and circular buckle 9 is installed on the circular port to can be under spring 8 and outside extrusion force effect, along the flexible removal of circular port degree of depth direction. Second grade overflow pipe 10 plays limiting displacement through the cooperation of circular buckle 9 with the buckle recess of one-level overflow pipe 12, prevents that second grade overflow pipe 10 axial from droing. In addition, in this embodiment, the inner diameter of the flange of the primary overflow pipe 12 is smaller than the inner diameter of the primary overflow pipe 12, and the flange is matched with the outer boss of the secondary overflow pipe 10 to play a role in limiting, so as to prevent the secondary overflow pipe 10 from axially separating from the primary overflow pipe 12.
The upper end of the second-stage overflow pipe 10 is provided with a round table for preventing the second-stage overflow pipe 10 from entering the columnar vortex cavity 2 when the multistage telescopic overflow pipe 1 is shortened. The lower end of the circular truncated cone is provided with a chamfer, so that an operator can conveniently operate the secondary overflow pipe 10. An inner boss is arranged at the top end of the inner wall of the secondary overflow pipe 10, and the lower end face of the inner boss is an inclined plane which is inclined downwards by 60 degrees relative to the radial direction. And a second sealing groove is formed in the inner wall of the inner boss. A plurality of buckle grooves are uniformly distributed on the inner wall of the secondary overflow pipe 10 below the inner boss.
The tertiary overflow pipe 7 is inserted into the secondary overflow pipe 10 and can move axially within the secondary overflow pipe 10. And the second-stage overflow sealing ring 11 is arranged in the second sealing groove and used for realizing the sealing between the second-stage overflow pipe 10 and the third-stage overflow pipe 7 and preventing liquid leakage. The upper end face of the third-level overflow pipe 7 is welded with a flange plate for connecting other devices, and the lower end of the third-level overflow pipe is provided with an outer boss. The upper end surface of the outer boss is a slope inclined at 60 degrees downwards relative to the axial direction. After the third-stage overflow pipe 7 extends into the second-stage overflow pipe 10, the outer boss is matched with the inner boss to play a limiting role, and the third-stage overflow pipe 7 is prevented from axially separating from the second-stage overflow pipe 10. A plurality of circular ports of equipartition on the outer boss lateral wall of tertiary overflow pipe 7, installation spring 8 in the circular port, spring 8 link to each other with circular buckle 9, and circular buckle 9 is installed on the circular port to can be under spring 8 and outside extrusion force effect, along the flexible removal of circular port degree of depth direction. Tertiary overflow pipe 7 plays limiting displacement through the buckle recess with circular buckle 9 buckle in second grade overflow pipe 10, prevents circular buckle 9 axial motion in the buckle recess.
In this embodiment, the buckle groove is a circular buckle groove, the axial ends of the buckle groove are designed as platforms, and the radial ends of the buckle groove are designed as circular arcs. Circular buckle 9 divide into circular arc section and cylinder section, and the platform that adopts the upper and lower both ends face of platform design and buckle recess at the upper and lower both ends face of circular arc section cooperatees, when circular buckle 9 moves to the buckle recess in, restricts the axial motion of multistage flexible overflow pipe 1, through in the same direction as, anticlockwise rotation overflow pipe, can make circular buckle 9 break away from the buckle recess from the circular arc structure department of buckle recess both sides face, realizes that the overflow pipe axial is flexible. The cylinder section upper end is provided with the rectangle boss, and the circular port up end is provided with rectangular groove, and the rectangle boss cooperatees with rectangular groove, can prevent that circular buckle 9 from playing limiting displacement at the circular port internal rotation. When circular buckle 9 receives outside extrusion, in the circular hole of indentation along rectangular groove, when circular buckle 9's circular arc section corresponds with the buckle recess, outside extrusion force disappears, circular buckle 9 is pushed up in the buckle recess under spring 8's the elasticity effect that resets, from this, two sections overflow pipes of lockable.
The columnar vortex chamber 2 is formed by a columnar vortex chamber shell 18 with flanges welded to the upper and lower ends, respectively, as shown in fig. 12. The feed liquor inlet pipe adopts ox horn type convergent ox horn feed liquor pipe 17, and the separation effect is better for other structure entry of convergent entry structure, and preferably, ox horn feed liquor pipe 17 adopts the tangential installation for 60 for cyclone separation device axial, and this kind of mounting structure can make it have better separation effect, makes the mixed phase preseparation in ox horn feed liquor pipe 17, the water conservancy diversion in the cyclone separation device that carries on that can be better.
In this embodiment, the double-cone vortex cavity 3 is formed by sequentially connecting a large cone section, a small cone section and a column section, and flanges for connecting the cylindrical vortex cavity 2 and the multistage telescopic underflow pipe 4 are welded on the upper end surface and the lower end surface of the double-cone vortex cavity 3 respectively. The double-cone structure of the double-cone rotational flow cavity 3 is more beneficial to downward flow of heavy phases, so that mixed phases guided down by the bearing blades 6 generate a better separation effect in the cone section, and separated liquid phases flow into the multistage telescopic underflow pipe 4 through the double-cone rotational flow cavity 3.
The sieve hole pipe 5 is welded at the lower end of the third-stage overflow pipe 7 and is a hollow pipe with a certain number of sieve holes on the pipe wall. As shown in fig. 13 and 14, the bearing blade 6 includes a bearing inner ring 14, bearing steel balls 15, a blade 16, and a bearing outer ring. The upper end boss of the bearing inner ring 14 is sleeved at the bottom end of the sieve hole pipe 5, and two small threaded holes are formed in the upper end boss of the bearing inner ring 14 and matched with two circular threaded holes formed in the bottom end of the sieve hole pipe 5, and the bearing inner ring is fixedly connected with the sieve hole pipe through bolts. The bearing inner ring 14 and the bearing outer ring are coaxially arranged, the outer end face of the bearing inner ring 14 and the inner end face of the bearing outer ring are respectively provided with an arc groove to form an arc groove, the plurality of bearing steel balls 15 are uniformly distributed in the arc grooves, and the arc grooves can prevent the bearing steel balls 15 from falling off from the bearing blades 6 when the bearing steel balls 15 are subjected to flowing mixed phase acting force. A plurality of blades 16 equipartition welding is on bearing inner race lateral wall, and blade 16 adopts the high middle streamlined appearance structure that slightly hangs down in both sides, and for the straggling installation form of radial slope structure blade, blade 16 of this embodiment can assemble more mixed phases, is strikeed by the mixed phase and realizes the better separation of gas-liquid under the hindrance effect at blade 16, produces better water conservancy diversion effect.
As shown in fig. 2 and 3, the multistage telescopic underflow pipe 4 includes a primary underflow pipe 19, a secondary underflow pipe 22 and a tertiary underflow pipe 24, and the primary underflow pipe 19 is connected to the tertiary underflow pipe 24 through the secondary underflow pipe 22.
As shown in fig. 15 to 18, a flange plate connected with the biconical vortex chamber 3 is welded on the end face of the primary underflow pipe 19, an inner boss is arranged at the lower end of the inner wall of the primary underflow pipe 19, the inner diameter of the inner boss is matched with the diameter of the secondary underflow pipe 22, the upper end face of the inner boss is an inclined plane 60 degrees relative to the radial direction, and a primary groove for placing a primary underflow seal ring 20 is arranged on the side wall of the inner boss. The equipartition has a plurality of types of colluding buckles 21 on the 19 inner walls of one-level underflow pipe above interior boss, colludes type buckle 21 colludes the type and adopts for axial 45 inclination angle structure, colludes type buckle 21 and has certain flexibility, can be crooked in certain extent, opens flutedly on the 19 inner walls of one-level underflow pipe behind type buckle 21 colludes, provides certain crooked space for colluding type buckle 21.
The upper end of the secondary underflow pipe 22 is provided with an outer boss, the lower end surface of the outer boss is an inclined plane which is 60 degrees relative to the axial direction, and the inclined plane inclination angle of the outer boss corresponds to the inclined plane inclination angle of the inner boss of the primary underflow pipe 19. The second-stage underflow pipe 22 is axially inserted into the first-stage underflow pipe 19, and the boss in the first-stage underflow pipe 19 is matched with the boss outside the second-stage underflow pipe 22, so that the limiting effect is achieved, and the second-stage underflow pipe 22 is prevented from falling off from the first-stage underflow pipe 19 in the axial direction. A plurality of rectangular buckle grooves are uniformly distributed on the outer lug boss of the secondary underflow pipe 22, the side surfaces of the rectangular buckle grooves are provided with triangular slideways which are horizontally and transversely communicated with the rectangular buckle grooves, and the other ends of the triangular slideways are provided with rectangular sliding-out grooves which are vertically communicated with the triangular slideway. The width of the rectangular sliding-out groove is larger than that of the hook-type buckle 21, so that the hook-type buckle 21 can axially slide out of the rectangular sliding-out groove. In addition, the upper end of the outer boss is provided with a 45-degree chamfer for contacting with a 45-degree hook of the hook-type buckle 21, the flexibility of the hook-type buckle 21 is utilized, the outer boss extrudes the hook-type buckle 21 to enable the hook-type buckle 21 to bend radially, when the outer boss moves to the state that the hook-type buckle 21 corresponds to the rectangular buckle groove at the same horizontal plane position, the radial force applied to the hook-type buckle 21 disappears, the hook-type buckle 21 is enabled to restore the original shape and enter the rectangular buckle groove, the secondary underflow pipe 22 is horizontally rotated, the hook-type buckle 21 can slide in the triangular slideway, and the axial movement of the secondary underflow pipe 22 is prevented. When the hook-shaped buckle 21 moves to the rectangular sliding groove, the second-stage underflow pipe 22 is moved axially, so that the hook-shaped buckle 21 can be separated from the triangular slideway, and the second-stage underflow pipe 22 can move axially.
The lower end part of the second-stage underflow pipe 22 is provided with a platform which can prevent the second-stage underflow pipe 22 from completely entering the first-stage underflow pipe 19, the inner wall of the platform is provided with an inner boss, the upper end surface of the inner boss is an inclined plane which is 60 degrees relative to the radial direction, the side wall of the inner boss is provided with a second-stage groove for placing a second-stage underflow sealing ring 23, and the inner diameter of the inner boss is matched with the diameter of the third-stage underflow pipe 24. A plurality of hook-shaped buckles 21 are uniformly distributed on the inner wall of the lower end of the second-stage underflow pipe 22 above the inner boss and are used for being connected with a third-stage underflow pipe 24.
The upper end of the tertiary underflow pipe 24 is provided with an outer boss matched with the inner boss of the secondary underflow pipe 22, the lower end surface of the tertiary underflow pipe 24 is an inclined plane which is 60 degrees relative to the axial direction, and the matching of the inner boss and the outer boss plays a role in limiting and prevents the tertiary underflow pipe 24 from falling off from the secondary underflow pipe 22 in the axial direction. The upper end of the outer boss is provided with a chamfer angle of 45 degrees relative to the axial direction, and the side wall of the outer boss is uniformly distributed with a combination body consisting of a plurality of groups of rectangular buckle grooves, triangular slide ways and rectangular slide-out grooves, and the structural form of the combination body is the same as that of the secondary underflow pipe 22. The tertiary underflow pipe 24 is installed in the secondary underflow pipe 22, the rectangular buckle groove, the triangular slide way and the rectangular slide-out groove are matched with the hook-type buckle 21 on the secondary underflow pipe 22 to realize the connection of the secondary underflow pipe 22 and the tertiary underflow pipe 24, and the secondary underflow sealing ring 23 realizes the sealing between the secondary underflow pipe 22 and the tertiary underflow pipe 24. The lower end of the tertiary underflow pipe 24 is welded with a flange plate for connecting other devices.
When the cyclone separation device operates:
the mixed phase flows into the cylindrical vortex cavity 2 through the liquid inlet and the ox horn liquid inlet pipe 17 to generate a vortex, because the mixed phase has a certain pressure when entering the cylindrical vortex cavity 2, a higher phase cutting speed is obtained, a certain distance is reserved between the liquid inlet and the bearing blade 6, the liquid inlet is tangentially arranged with the outer wall of the vortex separation device by inclining 60 degrees relative to the axial direction, so that the mixed phase generates a rapid rotary motion in the cylindrical vortex cavity 2, a part of the mixed phase is separated between the mixed phase and the bearing blade by virtue of density difference, the light phase moves upwards, enters the multistage telescopic overflow pipe 1 through a small sieve hole on the sieve hole pipe 5 and is discharged from an overflow port, most of the mixed phase further guides the flow through the bearing blade 6 and flows into the biconical vortex cavity 3, the heavy phase and the light phase are separated under the action of the bearing blade 6, the light phase enters the sieve hole pipe 5 from the sieve hole and is discharged from the overflow port through the multistage telescopic overflow pipe 1, and the heavy phase flows into the multistage telescopic underflow pipe 4 under the action of gravity and flows out from the underflow outlet.
When the flow rate of a mixed phase entering from the liquid inlet changes and the distance between the bearing blade 6 and the ox horn liquid inlet pipe 17 needs to be adjusted, the second-stage overflow pipe 10 is stretched to drive the third-stage overflow pipe 7 to move axially, when the circular buckle 9 of the second-stage overflow pipe 10 moves to the buckle groove position of the first-stage overflow pipe 12, the circular buckle 9 at the lower end of the second-stage overflow pipe 10 is bounced into the buckle groove under the action of the spring 8 to realize locking, and the axial movement of the second-stage overflow pipe 10 is limited due to the platform design of the circular buckle 9 and the buckle groove, so that the bearing blade 6 stays at a certain position, and the second-stage adjustment of the flow guide device is realized. Make circular buckle 9 break away from the buckle recess through rotating second grade overflow pipe 10, and then make second grade overflow pipe 10 can axial motion, then tensile tertiary overflow pipe 7 makes circular buckle 9 get into the buckle recess of second grade overflow pipe 10, realize the locking, restrict its axial motion, thereby make bearing blade 6 stop in a definite position, realize guiding device's tertiary regulation, make circular buckle 9 break away from with the buckle recess through rotating tertiary overflow pipe 7, and then make tertiary overflow pipe 7 can axial motion. Thereby through the axial flexible of multistage flexible overflow pipe 1, can drive guiding device and carry out altitude mixture control in three positions in column whirl chamber 2.
Length adjustment of the multistage telescopic underflow pipe 4:
when the second-stage underflow pipe 22 is stretched, the outer boss of the second-stage underflow pipe 22 radially extrudes the hook-type buckle 21 in the first-stage underflow pipe 19, when the rectangular buckle groove of the second-stage underflow pipe 22 moves to the position of the hook-type buckle 21, the extrusion force received by the hook-type buckle 21 disappears, the hook-type buckle 21 resets and enters the rectangular buckle groove on the outer boss of the second-stage underflow pipe 22, the second-stage underflow pipe 22 is rotated, the hook-type buckle 21 enters the triangular slideway, locking is achieved, axial movement of the second-stage underflow pipe 22 is prevented, the second-stage underflow pipe 22 continues to be rotated, the hook-type buckle 21 enters the rectangular sliding groove, the second-stage underflow pipe 22 stretches axially and slides out of the rectangular sliding groove, and axial movement of the second-stage underflow pipe 22 in the first-stage underflow pipe 19 is achieved.
When stretching tertiary underflow pipe 24, the outer boss of tertiary underflow pipe 24 radially extrudes colluding type buckle 21 of second grade underflow pipe 22, when the rectangle buckle recess of tertiary underflow pipe 24 moved colluding type buckle 21 position, the extrusion force that colludes type buckle 21 received disappears, collude type buckle 21 resets, and enter the rectangle buckle recess, rotate tertiary underflow pipe 24, collude type buckle 21 gets into the triangle-shaped slide, realize the locking, prevent 24 axial motion of tertiary underflow pipe, continue to rotate tertiary underflow pipe 24, collude type buckle 21 gets into the rectangle and slips out the groove, and from the roll-off of rectangle roll-off groove roll-off, realize the axial motion of tertiary underflow pipe 24 in second grade underflow pipe 22. Thereby realizing the length adjustment of the multistage telescopic underflow pipe 4.
While the principles of the invention have been described in detail in connection with the preferred embodiments thereof, it will be understood by those skilled in the art that the foregoing embodiments are merely illustrative of exemplary implementations of the invention and are not limiting of the scope of the invention. The details of the embodiments are not to be interpreted as limiting the scope of the invention, and any obvious changes, such as equivalent alterations, simple substitutions and the like, based on the technical solution of the invention, can be interpreted without departing from the spirit and scope of the invention.
Claims (8)
1. The multi-stage telescopic adjustable guide vane type cyclone separation device is characterized by comprising a multi-stage telescopic overflow pipe (1), a columnar cyclone cavity (2), a double-cone cyclone cavity (3), a multi-stage telescopic underflow pipe (4), a sieve hole pipe (5) and bearing vanes (6);
the multistage telescopic overflow pipe (1) consists of a primary overflow pipe (12), a secondary overflow pipe (10) and a tertiary overflow pipe (7) which can be coaxially clamped; the secondary overflow pipe (10) is inserted into the primary overflow pipe (12) and can move axially in the primary overflow pipe (12); the third-stage overflow pipe (7) is inserted into the second-stage overflow pipe (10) and can move axially in the second-stage overflow pipe (10); the primary overflow pipe (12) is connected with the columnar vortex cavity (2); the columnar vortex cavity (2) is coaxially connected with the multistage telescopic underflow pipe (4) through the double-cone vortex cavity (3), and the bottom end of the multistage telescopic underflow pipe (4) is an underflow outlet; the sieve hole pipe (5) is connected with the bottom end of the third-stage overflow pipe (7); the bearing blades (6) are arranged at the bottom end of the sieve pore pipe (5) in the cylindrical rotational flow cavity (2); a liquid inlet pipe is arranged on the side wall of the middle upper part of the cyclone separation device and is communicated with the inside of the columnar cyclone cavity (2); the liquid inlet pipe is a horn-shaped gradually-contracted horn-shaped liquid inlet pipe (17); the ox horn liquid inlet pipe (17) is tangentially arranged on the outer wall of the cylindrical cyclone cavity (2) at an angle of 60 degrees relative to the axial direction of the cyclone separation device;
a first sealing groove for placing a primary overflow sealing ring (13) is formed in the inner wall of the upper end of the primary overflow pipe (12); an inner boss is arranged at the upper end of the secondary overflow pipe (10), and a second sealing groove for placing a secondary overflow sealing ring (11) is arranged on the inner wall of the inner boss; the upper end of the third-stage overflow pipe (7) is provided with an overflow port, the lower end of the third-stage overflow pipe is provided with an outer boss, and the outer boss is matched with the inner boss of the second-stage overflow pipe (10) to prevent the third-stage overflow pipe (7) from being separated from the second-stage overflow pipe (10);
the multistage telescopic underflow pipe (4) comprises a primary underflow pipe (19), a secondary underflow pipe (22) and a tertiary underflow pipe (24); the primary underflow pipe (19) is connected with the biconical vortex cavity (3); the secondary underflow pipe (22) is axially inserted into the primary underflow pipe (19) and can axially move in the primary underflow pipe (19); the tertiary underflow pipe (24) is axially inserted into the secondary underflow pipe (22) and can axially move in the secondary underflow pipe (22).
2. The multistage telescopic adjustable guide vane type cyclone separation device according to claim 1, wherein the lower end of the inner wall of the primary underflow pipe (19) and the lower end of the inner wall of the secondary underflow pipe (22) are respectively provided with the inner bosses, and the side walls of the inner bosses are respectively provided with a primary groove for placing the primary underflow seal ring (20) and a secondary groove for placing the secondary underflow seal ring (23); a plurality of hook-shaped buckles (21) with certain flexibility are respectively and uniformly distributed on the inner walls of the primary underflow pipe (19) and the secondary underflow pipe (22) above the inner boss;
the upper end of the secondary underflow pipe (22) is provided with the outer boss matched with the inner boss of the primary underflow pipe (19), and the upper end of the tertiary underflow pipe (24) is provided with the outer boss matched with the inner boss of the secondary underflow pipe (22); a plurality of sliding grooves matched with the hook-shaped buckles (21) are uniformly distributed on the outer lug boss.
3. The multi-stage telescopic adjustable guide vane type cyclone separation device according to claim 2, wherein the sliding groove comprises a rectangular snap groove, a triangular slide and a rectangular slide-out groove; the rectangular buckle groove is communicated with the rectangular sliding-out groove through the triangular slide way, the rectangular sliding-out groove is perpendicularly connected with the triangular slide way, and the rectangular sliding-out groove is axially parallel to the cyclone separation device.
4. The multi-stage telescopic adjustable guide vane type cyclone separation device according to claim 1, wherein a plurality of clamping grooves are respectively uniformly distributed on the inner wall below the first seal groove of the primary overflow pipe (12) and the inner wall below the inner boss of the secondary overflow pipe (10); a plurality of circular holes matched with the buckling grooves of the primary overflow pipe (12) are uniformly distributed on the outer wall of the outer boss arranged on the lower end face of the secondary overflow pipe (10), and a plurality of circular holes matched with the buckling grooves of the secondary overflow pipe (10) are uniformly distributed on the side wall of the outer boss of the tertiary overflow pipe (7); a spring (8) is placed in the circular hole, and the spring (8) is connected with a circular buckle (9); the round buckle (9) is installed on the round hole, can enter the round hole under external extrusion, and is pushed into the buckle groove by the spring (8) when the position of the buckle groove corresponds to that of the round hole.
5. The multi-stage telescopic adjustable guide vane type cyclone separation device according to claim 4, wherein the buckle groove is a circular buckle groove, the axial two ends of the buckle groove are in a platform structure, and the radial two ends of the buckle groove are in an arc structure; the circular buckle (9) comprises an arc section and a cylindrical section, and the upper end surface and the lower end surface of the arc section are of platform structures and are matched with the platform structures of the buckle grooves; the upper end of the cylindrical section is provided with a rectangular boss, the upper end face of the circular hole is provided with a rectangular groove, and the rectangular boss is matched with the rectangular groove.
6. The multi-stage telescopic adjustable guide vane type cyclone separation device as claimed in claim 1, wherein the biconical cyclone chamber (3) is formed by sequentially connecting a large cone section, a small cone section and a column section.
7. The multi-stage telescopic adjustable guide vane type cyclone separation device according to claim 1, wherein the bearing vane (6) comprises a bearing inner ring (14), bearing steel balls (15), vanes (16) and a bearing outer ring, the bearing inner ring (14) is sleeved at the bottom end of the sieve tube (5) through an upper end boss, the bearing outer ring is coaxially arranged outside the bearing inner ring, the bearing steel balls (15) are uniformly distributed between the bearing inner ring (14) and the bearing outer ring, and the vanes (16) are uniformly distributed around the outer side wall of the bearing outer ring.
8. The cyclone separator with multi-stage telescopic adjustable guide vanes according to claim 7, characterized in that the profile structure of the vanes (16) is a streamline structure with two high sides and a slightly lower middle.
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