阅读说明：本技术 分级分选旋流器 (Classifying and sorting cyclone ) 是由 白龙 李刚 宋万军 蒋涵元 周建国 王青海 吕文韬 于 2020-07-06 设计创作，主要内容包括：本申请公开了一种分级分选旋流器,属于选煤煤泥水处理领域。该设备的柱状入料管设有第一分离腔,布料筒与柱状入料管相连接,布料筒的外周面设有布流管,布料筒具有分隔部、辅助分离腔和旋流腔,辅助分离腔和旋流腔位于分隔部的两侧,且旋流腔环绕辅助分离腔,旋流腔与布流管的内腔相连通,分隔部开设有连通孔,旋流腔通过连通孔与辅助分离腔相连通,且辅助分离腔与第一分离腔相连通,第一排料管与柱状入料管段的顶部相连接,且第一排料管的内腔与第一分离腔相连通,第二排料管连接于布料筒的底部,第二排料管的内腔与辅助分离腔相连通。该方案能够解决目前分级分选旋流器的分级分选效果不佳的问题。(The application discloses grading separation swirler belongs to coal dressing slime water treatment field. The column pan feeding pipe of this equipment is equipped with first separation chamber, cloth cylinder is connected with column pan feeding pipe, cloth cylinder's outer peripheral face is equipped with the flow distribution pipe, cloth cylinder has the partition, supplementary separation chamber and whirl chamber are located the both sides of partition, and the whirl chamber surrounds supplementary separation chamber, whirl chamber is linked together with the inner chamber of flow distribution pipe, the intercommunicating pore has been seted up to the partition, the whirl chamber is linked together through intercommunicating pore and supplementary separation chamber, and supplementary separation chamber is linked together with first separation chamber, first row of material pipe is connected with the top of column pan feeding pipeline section, and the inner chamber and the first separation chamber of first row of material pipe are linked together, the second is arranged the union coupling in cloth cylinder's bottom, the inner chamber and the supplementary separation chamber of second row of material pipe are linked together. This scheme can solve the present not good problem of grading sorting effect of grading sorting swirler.)

1. A fractional separation cyclone, comprising:

the device comprises a columnar feeding pipe (100), wherein the columnar feeding pipe (100) is provided with a first separation cavity (110), the peripheral surface of the columnar feeding pipe (100) is provided with a feeding pipe (120), and the inner cavity of the feeding pipe (120) is communicated with the first separation cavity (110);

the distribution barrel is connected with the columnar feeding pipe (100), a distribution pipe is arranged on the peripheral surface of the distribution barrel, the distribution barrel is provided with a partition part, an auxiliary separation cavity and a cyclone cavity, the auxiliary separation cavity and the cyclone cavity are positioned on two sides of the partition part, the cyclone cavity surrounds the auxiliary separation cavity, the cyclone cavity is communicated with an inner cavity of the distribution pipe, the partition part is provided with a communication hole, the cyclone cavity is communicated with the auxiliary separation cavity through the communication hole, and the auxiliary separation cavity is communicated with the first separation cavity (110);

the first discharging pipe (400), the first discharging pipe (400) is connected with the top of the cylindrical feeding pipe (100), and the inner cavity of the first discharging pipe (400) is communicated with the first separating cavity (110);

a second material discharging pipe (500), wherein the second material discharging pipe (500) is connected with the bottom of the distributing cylinder, and an inner cavity of the second material discharging pipe (500) is communicated with the auxiliary separating cavity.

2. The classifying and sorting cyclone of claim 1, wherein the number of the distributing cylinders is at least two, and the distributing cylinders comprise a cylindrical distributing cylinder (200) and a conical distributing cylinder (300), the cylindrical feeding pipe (100), the cylindrical distributing cylinder (200), the conical distributing cylinder (300) and the second discharging pipe (500) are connected in sequence, and at least one of the cylindrical distributing cylinder (200) and the conical distributing cylinder (300) is provided with the cyclone chamber.

3. The classifying and sorting cyclone according to claim 2, wherein the auxiliary separation chamber comprises a second separation chamber (210) and a third separation chamber (310), the cylindrical distribution barrel (200) is provided with a first swirl chamber (220), a first partition and the second separation chamber (210), the first partition is provided with a first communication hole, the first swirl chamber (220) is communicated with the second separation chamber (210) through the first communication hole, and the outer circumferential surface of the cylindrical distribution barrel (200) is provided with a first distribution pipe (230);

the conical distributing cylinder (300) is provided with a second rotational flow cavity (320), a second partition part and a third separation cavity (310), the second partition part is provided with a second communicating hole, the second rotational flow cavity (320) is communicated with the third separation cavity (310) through the third communicating hole, and the peripheral surface of the conical distributing cylinder (300) is provided with a second distributing pipe (330).

4. Classifying cyclone according to claim 3, characterized in that the cylindrical distribution barrel (200) comprises a first barrel (240), a second barrel (250) and a first seal (260), the first barrel (240) being nested with the second barrel (250) and forming the first cyclone chamber (220), the second barrel (250) being provided with the first partition, the bottom of the first barrel (240) being sealingly engaged with the bottom of the second barrel (250) by the first seal (260).

5. Classifying cyclone according to claim 4, characterized in that the cylindrical distribution chute (200) further comprises a sealing adjustment member (270), the first sealing member (260) sealingly engaging the bottom of the second cylinder (250) through the sealing adjustment member (270).

6. Classifying cyclone according to claim 4, characterised in that the first seal (260) has a first face (261) facing towards the first partition and a second face (262) facing away from the first partition, the first face (261) being provided with a first protrusion (263), the first protrusion (263) being located below the second cylinder (250), the second face (262) abutting the inner wall of the first cylinder (240).

7. Classifying cyclone according to claim 4, wherein the conical distribution barrel (300) comprises a third barrel (340), a fourth barrel (350) and a second seal (360), the third barrel (340) is sleeved with the fourth barrel (350) and forms the second cyclone chamber (320), the fourth barrel (350) is provided with the second partition, and the bottom of the third barrel (340) and the bottom of the fourth barrel (350) are in sealing fit through the second seal (360).

8. Classifying cyclone according to claim 7, characterized in that the second seal (360) has a third face (361) facing the second partition and a fourth face (362) facing away from the second partition, the third face (361) being provided with a second protrusion (363), the second protrusion (363) being located below the fourth cylinder (350), the fourth face (362) being provided with a third protrusion (364), the third protrusion (364) being located below the third cylinder (340).

9. Classifying cyclone according to claim 3, characterized in that the top of the cylindrical feed pipe (100) is provided with a mounting boss (130), the classifying cyclone further comprising an overflow regulating pipe (600), the first discharge pipe (400) being connected to the top of the overflow regulating pipe (600), the bottom of the overflow regulating pipe (600) extending into the first separation chamber (110).

10. Classifying cyclone according to claim 7, characterised in that the feed pipe (120) extends tangentially to the outer circumference of the cylindrical feed pipe (100); and/or the extension direction of the first distributing pipe (230) is tangent to the peripheral surface of the first barrel body (240); and/or the extension direction of the second distributing pipe (330) is tangent to the peripheral surface of the third cylinder (340).

11. Classifying cyclone according to claim 1, characterized in that the second discharge duct (500) is a conical duct.

Technical Field

The application belongs to the field of coal preparation and slime water treatment, and particularly relates to a grading separation cyclone.

Background

Classifying and sorting cyclones are one of the most important and economically practical devices in wet mechanical mineral separation processes, and play a vital role also in the coal preparation process of coal preparation plants.

The existing classifying and sorting cyclone is mainly formed by connecting a hollow cylinder and a hollow cone, wherein the top of the hollow cylinder is connected with a first discharging pipe and a feeding pipe, and the bottom of the hollow cone is connected with a second discharging pipe. The raw material enters the classifying and sorting cyclone through the feeding pipe under certain pressure, and forms a backflow in the classifying and sorting cyclone. Because of the influence of the granularity and the density of the production raw materials, part of fine-fraction materials and low-density coarse-particle materials are mixed in the second discharge pipe, and part of high-density coarse-particle materials are mixed in the first discharge pipe. Therefore, the classifying and sorting cyclone under the scheme has poor classifying and sorting effect.

Disclosure of Invention

The purpose of the embodiment of this application is to provide a classifying and sorting swirler, can solve the current classifying and sorting swirler's the not good problem of classifying and sorting effect.

In order to solve the technical problem, the present application is implemented as follows:

the embodiment of the application provides a classification selection swirler, includes:

the device comprises a columnar feeding pipe, a first separation cavity and a second separation cavity, wherein the columnar feeding pipe is provided with a first separation cavity, the peripheral surface of the columnar feeding pipe is provided with a feeding pipe, and the inner cavity of the feeding pipe is communicated with the first separation cavity;

the distribution barrel is connected with the columnar feeding pipe, a distribution pipe is arranged on the peripheral surface of the distribution barrel, the distribution barrel is provided with a partition part, an auxiliary separation cavity and a cyclone cavity, the auxiliary separation cavity and the cyclone cavity are positioned on two sides of the partition part, the cyclone cavity surrounds the auxiliary separation cavity, the cyclone cavity is communicated with an inner cavity of the distribution pipe, a communication hole is formed in the partition part, the cyclone cavity is communicated with the auxiliary separation cavity through the communication hole, and the auxiliary separation cavity is communicated with the first separation cavity;

the first discharging pipe is connected with the top of the columnar feeding pipe section, and the inner cavity of the first discharging pipe is communicated with the first separating cavity;

the second is arranged the material pipe, the second arrange the material union coupling in the bottom of cloth section of thick bamboo, the second arrange the material pipe the inner chamber with supplementary separating chamber is linked together.

In this application embodiment, the classifying separation swirler has increased the cloth section of thick bamboo, and this cloth section of thick bamboo is equipped with partition portion, supplementary separation chamber and whirl chamber, can let in the high pressure water in the whirl chamber to form the whirl in the whirl chamber, under the effect of switching on of partition portion, the high pressure water can further form radial motion's whirl in supplementary separation chamber, thereby will with get into the second and arrange the fine fraction material and the coarse granule material washing entering overflow of expecting the pipe, this part material will be discharged through first row of material pipe. Therefore, the classifying and sorting cyclone can more thoroughly sort out fine-grained materials and low-density coarse-grained materials, thereby improving the classifying and sorting effect.

Drawings

Fig. 1 to 5 are exploded views of a classifying and sorting cyclone disclosed in an embodiment of the present application from different perspectives, respectively;

fig. 6 to 9 are schematic structural diagrams of the classifying and sorting cyclone disclosed in the embodiment of the present application from different perspectives, respectively;

FIGS. 10-11 are sectional views of a classifying and sorting cyclone disclosed in an embodiment of the present application from different perspectives, respectively;

FIG. 12 is a schematic view of a first seal of a classifying sorting cyclone according to an embodiment of the present application;

FIG. 13 is a schematic structural view of a second seal of a classifying sorting cyclone according to an embodiment of the present application.

Description of reference numerals:

100-cylindrical feeding pipe, 110-first separation cavity, 120-feeding pipe and 130-mounting convex part;

200-column distributing barrel, 210-second separating cavity, 220-first rotational flow cavity, 230-first distributing pipe, 240-first cylinder, 250-second cylinder, 260-first sealing element, 261-first surface, 262-second surface, 263-first convex part and 270-sealing adjusting element;

300-a conical distributing cylinder, 310-a third separation chamber, 320-a second rotational flow chamber, 330-a second distributing pipe, 340-a third cylinder, 350-a fourth cylinder, 360-a second sealing element, 361-a third surface, 362-a fourth surface, 363-a second convex part and 364-a third convex part;

400-a first discharge pipe;

500-a second discharge conduit;

600-overflow regulating pipe.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the application may be practiced in sequences other than those illustrated or described herein, and that the terms "first," "second," and the like are generally used herein in a generic sense and do not limit the number of terms, e.g., the first term can be one or more than one. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.

The classifying and sorting cyclone provided by the embodiment of the present application is described in detail by specific embodiments and application scenarios thereof with reference to the attached drawings.

As shown in fig. 1 to 13, an embodiment of the present application discloses a classifying cyclone, which includes a cylindrical feeding pipe 100, a distributing barrel, a first discharging pipe 400, and a second discharging pipe 500.

The cylindrical feeding pipe 100 is provided with a first separation chamber 110, the outer circumferential surface of the cylindrical feeding pipe 100 is provided with a feeding pipe 120, and the inner cavity of the feeding pipe 120 is communicated with the first separation chamber 110. The cross-sectional shape of the columnar feeding pipe 100 can be circular or other shapes, optionally, the cross-sectional shape of the columnar feeding pipe 100 is circular and is made of a wear-resistant material, and the columnar feeding pipe 100 with the structure can enable production raw materials entering the columnar feeding pipe 100 to form rotational flow, so that the production raw materials are sorted in a grading manner. The cross-sectional shape of the feeding pipe 120 may be rectangular or other shapes, and the number may be one, two or more, which is not limited in the embodiments of the present application. Alternatively, the feed pipe 120 is an attrition resistant pipe, one in number, having a rectangular cross section, which can provide process feed and pressure to the classifying cyclone. Alternatively, the front end of the feed pipe 120 may be provided with a corresponding pressure gauge and a regulating valve to regulate the pressure of the production raw material entering the cylindrical feed pipe 100.

The cloth barrel is connected with the columnar feeding pipe 100, a cloth flow pipe is arranged on the outer peripheral face of the cloth barrel, the cloth barrel is provided with a partition part, an auxiliary separation cavity and a swirl cavity, the auxiliary separation cavity and the swirl cavity are located on two sides of the partition part and surround the auxiliary separation cavity, the swirl cavity is communicated with an inner cavity of the cloth flow pipe, a communicating hole is formed in the partition part, the swirl cavity is communicated with the auxiliary separation cavity through the communicating hole, and the auxiliary separation cavity is communicated with the first separation cavity 110. The cross section of the distributing cylinder can be circular or other shapes, optionally, the cross section of the distributing cylinder is circular and is made of wear-resistant materials, and the distributing cylinder with the circular cross section not only can enable production raw materials and production water to continuously perform rotary motion in the distributing cylinder for grading and sorting, but also is convenient to be connected with the columnar feeding pipe 100 into a whole through a flange.

The first discharging pipe 400 is connected to the top of the cylindrical feeding pipe 100, and the inner cavity of the first discharging pipe 400 is communicated with the first separating cavity 110. The cross section of the first discharging pipe 400 may be circular or other shapes, and optionally, the cross section of the first discharging pipe 400 is circular and is a pipe made of an abrasion-resistant material, and the pipe can discharge the fine-grained materials and the low-density coarse-grained materials after the classifying and sorting cyclone performs classifying and sorting.

The second discharging pipe 500 is connected to the bottom of the distributing cylinder, and the inner cavity of the second discharging pipe 500 is communicated with the auxiliary separating cavity. The cross-sectional shape of the second discharge pipe 500 may be circular or other shapes, and optionally, the cross-sectional shape of the second discharge pipe 500 is circular and is a pipe made of an abrasion-resistant material, which can discharge the classified and sorted high-density coarse particle materials of the classifying and sorting cyclone.

The production raw materials have tangential rotary motion in the classifying and sorting cyclone, and also have radial motion towards the center of the section of the classifying and sorting cyclone, the production raw materials close to the center of the section also move upwards along the axial direction of the distributing barrel, and the production raw materials close to the inner wall of the distributing barrel mainly move towards the direction of the second discharging pipe 500, so the production raw materials move in a three-dimensional space in the classifying and sorting cyclone. In the axial and radial directions, the production raw material has a zero-speed point with a direction change, and the connection of the points can form an approximately conical surface in space, which is called a zero-speed envelope surface. The centrifugal settling velocity of the fine-fraction materials and the low-density coarse-fraction materials is low, the fine-fraction materials and the low-density coarse-fraction materials are pushed into a zero-velocity envelope surface by the process water moving to the center of the section of the classifying and sorting cyclone, and then the fine-fraction materials and the low-density coarse-fraction materials are discharged from the first discharge pipe 400, while the high-density coarse-fraction materials are retained outside the zero-velocity envelope surface by the aid of large centrifugal force and finally discharged from the second discharge pipe 500, and the position of the zero-velocity envelope surface determines the classifying particle size of.

In this embodiment, the classifying separation cyclone is added with a material distribution barrel, the material distribution barrel is provided with a partition part, an auxiliary separation cavity and a cyclone cavity, high-pressure water can be introduced into the cyclone cavity, so that cyclone is formed in the cyclone cavity, and under the conduction action of the partition part, the high-pressure water can further form radial movement cyclone in the auxiliary separation cavity, so that fine-grained materials and low-density coarse-grained materials entering the second discharge pipe 500 are washed and enter overflow, and the part of materials are discharged through the first discharge pipe 400. Therefore, the classifying and sorting cyclone can more thoroughly sort out fine-grained materials and low-density coarse-grained materials, thereby improving the classifying and sorting effect.

In a further embodiment, the number of the distribution cylinders is at least two, wherein the distribution cylinders include a cylindrical distribution cylinder 200 and a conical distribution cylinder 300, the cylindrical feeding pipe 100, the cylindrical distribution cylinder 200, the conical distribution cylinder 300 and the second discharging pipe 500 are connected in sequence, and at least one of the cylindrical distribution cylinder 200 and the conical distribution cylinder 300 is provided with a vortex chamber. Through the combination of column distributing cylinder 200 and cone distributing cylinder 300, can increase the rotary motion of raw materials for production in classifying and selecting separately the swirler to this extension raw materials's sorting route makes classifying and selecting separately the swirler divide more fully and selects out fine fraction material and low density coarse grain material, thereby helps promoting raw materials for production's sorting effect, and the internal diameter of cone distributing cylinder 300 changes from big to small, helps collecting the material of selecting separately.

Optionally, the auxiliary separation chamber includes a second separation chamber 210 and a third separation chamber 310, the columnar distribution barrel 200 is provided with a first rotational flow chamber 220, a first partition and the second separation chamber 210, the first partition is provided with a first communicating hole, the first rotational flow chamber 220 is communicated with the second separation chamber 210 through the first communicating hole, and the outer peripheral surface of the columnar distribution barrel 200 is provided with a first distribution pipe 230; the conical distributing cylinder 300 is provided with a second rotational flow chamber 320, a second partition part and a third separation chamber 310, the second partition part is provided with a second communicating hole, the second rotational flow chamber 320 is communicated with the third separation chamber 310 through the third communicating hole, and the peripheral surface of the conical distributing cylinder 300 is provided with a second distributing pipe 330. The first vortex chamber 220 and the second vortex chamber 320 can be operated independently to independently regulate pressure and flow. The cross-sectional shapes of the first distributing pipe 230 and the second distributing pipe 330 may be rectangular or other shapes, and the number may be one, two or more, which is not limited in the embodiments of the present application. Alternatively, the first and second distribution pipes 230, 330 are wear-resistant pipes, each of which is rectangular in cross-section and one in number, which can supply process water to the classifying and sorting cyclone. Alternatively, the front ends of the first and second distribution pipes 230 and 330 may each be provided with a corresponding pressure gauge and regulating valve for regulating the pressure of the process water entering the classifying cyclone.

Specifically, the first communicating hole and the second communicating hole on the first partition and the second partition may be of a mesh-like structure, and the mesh-like structure may be full of the first partition and the second partition, so that the fine fraction material and the low-density coarse particle material may be made to enter and overflow in the radial direction at a high probability, and then discharged through the first discharge pipe 400, so that the fine fraction material and the low-density coarse particle material may be sorted more thoroughly, thereby improving the sorting effect. The aperture of the first communicating hole and the aperture of the second communicating hole can be selected according to different use environments to meet different grading and sorting requirements, which is not limited in this embodiment.

Further, as shown in fig. 12, the cylindrical distributing barrel 200 includes a first barrel 240, a second barrel 250 and a first sealing member 260, the first barrel 240 is sleeved with the second barrel 250 to form a first vortex chamber 220, the second barrel 250 is provided with a first partition, and the bottom of the first barrel 240 is in sealing fit with the bottom of the second barrel 250 through the first sealing member 260. The inner diameter of the second cylinder 250 may be the same as the inner diameter of the cylindrical feed tube 100. The first rotational flow cavity 220 is formed by sleeving the first cylinder 240 and the second cylinder 250, so that the inner wall of the first cylinder 240 and the outer wall of the second cylinder 250 can be fully utilized, and the structure of the first rotational flow cavity 220 is greatly simplified. Alternatively, the first sealing element 260 is a device made of wear-resistant material, which may be rubber, which has good wear resistance and elasticity, is suitable for being installed between components, and has good sealing property. Further, a first sealing member 260 may be installed at the bottom of the cylindrical distribution barrel 200 to separate the first cyclone chamber 220 from the second separation chamber 210, so as to prevent the process water for distribution from entering the second separation chamber 210 from the bottom of the cylindrical distribution barrel 200.

In a further embodiment, the cylindrical distribution tube 200 further comprises a sealing adjustment member 270, and the first sealing member 260 is in sealing engagement with the bottom of the second cylinder 250 through the sealing adjustment member 270. Alternatively, the sealing adjusting members 270 are rubber sealing rings, the thickness can be selected, the number can be one, two or more, this embodiment is not limited to this, and the sealing adjusting members 270 can be the same thickness, and the total thickness can be adjusted by the number. The outer diameter of the sealing adjusting member 270 is the same as the outer diameter of the second cylinder 250, and the inner diameter is the same as the inner diameter of the second cylinder 250, and the sealing adjusting member is installed between the second cylinder 250 and the first sealing member 260, so that a gap between the cylindrical distribution barrel 200 and the first sealing member 260 can be sealed, the first swirling chamber 220 and the second separating chamber 210 of the cylindrical distribution barrel 200 are prevented from being mixed with water, and the sealing effect can be further improved. Further, the first seal 260 may cooperate with the seal adjuster 270 to facilitate component assembly.

Optionally, the first sealing element 260 has a first surface 261 facing the first partition and a second surface 262 facing away from the first partition, the first surface 261 is provided with a first protrusion 263, the first protrusion 263 is located below the second cylinder 250, and the second surface 262 is attached to the inner wall of the first cylinder 240. The part between the first surface 261 and the second surface 262 of the first sealing member 260 extends into the space between the first cylinder 240 and the second cylinder 250, and the first convex part 263 extends into the lower part of the sealing adjusting member 270 to seal the bottom of the first rotational flow cavity 220, so that the first rotational flow cavity 220 can be formed by the cooperation of the first sealing member and the second sealing member, the first rotational flow cavity 220 and the second rotational flow cavity 210 of the cylindrical distributing cylinder 200 can be prevented from water leakage, and the sealing effect can be improved.

Further, as shown in fig. 13, the conical distributing cylinder 300 includes a third cylinder 340, a fourth cylinder 350 and a second sealing element 360, the third cylinder 340 is sleeved with the fourth cylinder 350 and forms a second rotational flow chamber 320, the fourth cylinder 350 is provided with a second partition, and the bottom of the third cylinder 340 is in sealing fit with the bottom of the fourth cylinder 350 through the second sealing element 360. The second rotational flow cavity 320 is formed by sleeving the third cylinder 340 and the fourth cylinder 350, so that the inner wall of the third cylinder 340 and the outer wall of the fourth cylinder 350 can be fully utilized, and the structure of the second rotational flow cavity 320 is greatly simplified. Alternatively, the inner diameter of the large opening end of the fourth cylinder 350 may be identical to the inner diameter of the second material distribution cylinder, and the inner diameter of the small opening end of the fourth cylinder 350 may be 75-100 mm. The second sealing element 360 is a device made of a wear-resistant material, and the material of the second sealing element may be rubber, which has good wear resistance and elasticity, is suitable for being installed between components, and has good sealing performance. Further, a second sealing member 360 is installed at the bottom of the conical distributing cylinder 300 to separate the second cyclone chamber 320 from the third separation chamber 310, so as to prevent the process water for distributing from entering the third separation chamber 310 from the bottom.

Alternatively, the second sealing member 360 has a third face 361 facing the second partition and a fourth face 362 facing away from the second partition, the third face 361 is provided with a second protrusion 363, the second protrusion 363 is located below the fourth cylinder 350, the fourth face 362 is provided with a third protrusion 364, and the third protrusion 364 is located below the third cylinder 340. The portion with better elasticity between the third surface 361 and the fourth surface 362 of the second sealing element 360 can be pressed into the space between the outer side of the bottom of the fourth cylinder 350 and the inner side of the bottom of the third cylinder 340 to form deformation, not only can the second rotational flow cavity 320 be formed by the combined action of the third cylinder 340 and the fourth cylinder 350, but also the second rotational flow cavity 320 can be separated from the third separation cavity 310, so that production water for distributing materials is prevented from entering the third separation cavity 310 from the bottom, sealing is performed by the method, and the sealing effect of the second rotational flow cavity 320 is improved.

In a further embodiment, the top of the cylindrical feeding pipe 100 is provided with a mounting protrusion 130, the classifying and sorting cyclone further comprises an overflow regulating pipe 600, the first discharging pipe 400 is connected to the top of the overflow regulating pipe 600, and the bottom of the overflow regulating pipe 600 extends into the first separating chamber 110. The mounting boss 130 may be used to mount and support the overflow regulating pipe 600 and the first drain pipe 400, and the bottom of the overflow regulating pipe 600 may protrude into the first separating chamber 110 through the mounting boss 130. The overflow adjusting pipe 600 can adjust the classifying particle size and the sorting density by adjusting the length of the overflow adjusting pipe extending into the first separating cavity 110, thereby improving the discharging effect of the first discharging pipe 400.

In an alternative embodiment, the feed tube 120 extends tangentially to the outer circumference of the cylindrical feed tube 100; and/or the extension direction of the first distributing pipe 230 is tangent to the peripheral surface of the first barrel 240; and/or the extension direction of the second distributing pipe 330 is tangent to the peripheral surface of the third cylinder 340. The feeding pipe 120, the first distributing pipe 230 and the second distributing pipe 330 are respectively tangent to the outer peripheral surfaces of the columnar feeding pipe 100, the first barrel 240 and the third barrel 340, so that production raw materials and production water enter the feeding pipe 120, the first distributing pipe 230 and the second distributing pipe 330 in a tangential direction, and powerful rotational flows can be well formed under the action of respective internal structures, and the grading and sorting effect of the grading and sorting cyclone is improved.

In a further embodiment, the second discharge conduit 500 is a tapered conduit. Alternatively, the taper angle of the second discharge pipe 500 may be consistent with the taper angles of the first and second cylinders 240 and 250, which may smoothly discharge the classified and sorted high-density coarse particle materials of the classifying and sorting cyclone without the occurrence of the condition of intercepting the materials, and may help to collect the sorted materials.

Further, the bottom of the first discharging pipe 400 is provided with a first flange, the top of the overflow adjusting pipe 600 is provided with a second flange, the top of the mounting convex portion 130 is provided with a third flange, the bottom of the columnar feeding pipe 100 is provided with a fourth flange, the top of the second cylinder 250 is provided with a fifth flange, the top of the first cylinder 240 is provided with a sixth flange, the bottom of the first cylinder 240 is provided with a seventh flange, the top of the fourth cylinder 350 is provided with an eighth flange, the top of the third cylinder 340 is provided with a ninth flange, the bottom of the third cylinder 340 is provided with a tenth flange, the top of the second discharging pipe 500 is provided with an eleventh flange, and the flanges can be fastened and connected through screws, so that the connection between the parts described herein is realized, and the connection mode helps to ensure the connection strength between the parts. Further, the first sealing member 260 and the sealing adjustment member 270 cooperate to seal and control the thickness of the joint between the seventh flange and the eighth flange, thereby ensuring the joint strength of the flanges.

While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.