Split type cyclone dust collector

Abstract

The utility model relates to a split type cyclone dust collector, which comprises a cylinder body, a cyclone dust collector body, a cyclone dust collector body, a cyclone dust collector body and a dust collector body, the cylinder body comprises a cylinder part and a cone part, the cylinder part and the cone part share the same axial lead, the axial leads extend along the vertical direction, the bottom of the cone part is communicated with an ash discharge pipe, and the upper part of the cylinder part is communicated with an air inlet pipe; the wear-resistant layer covers the circumferential inner wall of the cylinder part and the circumferential inner wall of the conical part, and air inlet through holes are formed in the wear-resistant layer; and the cylinder cover is detachably connected with the cylinder body and hermetically covers the cylinder part, and an exhaust pipe penetrates through the cylinder cover. According to the split type cyclone dust collector, the inner walls of the cylinder part and the conical part are covered with the wear-resistant layers, so that dust particles in air are prevented from making contact with the inner wall of the cylinder body in the dust removal process, and therefore the inner wall of the cylinder body is prevented from being abraded and leaking air; and the wear-resistant layer on the inner wall of the cylinder body can be supplemented and maintained conveniently and immediately, so that the dust removal efficiency is improved by reducing air leakage, and the service life of the device is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of air purification, in particular to a split type cyclone dust collector. Background Art

[0002] Cyclone dust collector is a kind of dust removal device, which consists of an air inlet pipe, an exhaust pipe, a cylinder, a cone and an ash hopper. It has a simple structure, is easy to manufacture, install and manage, and has low equipment investment and operating costs. It is widely used to separate solid particles from airflow. Its dust removal mechanism is to make the dust-laden airflow rotate, and with the help of centrifugal force, the dust particles are separated from the airflow and captured on the wall of the device, and then the dust particles fall into the ash hopper with the help of gravity.

[0003] When the cyclone dust collector is in operation, the dust-laden gas rotates in the cylinder, and the dust particles are constantly washed away, causing the wear of the cylinder wall to continue to increase, which becomes the cause of air leakage or even damage. Generally speaking, the wear is more serious at the inlet where the air flow rotation speed is higher and in the lower area of ​​the vertebral body. The air leakage of the cyclone dust collector has a significant impact on the dust removal efficiency, especially the air leakage at the ash discharge port. When the cyclone dust collector is in operation, a higher negative pressure is formed at the axis. The ash discharge port is easy to be swept away by the captured dust when it is worn or leaks, causing secondary flying, seriously affecting the dust removal efficiency and reducing the service life.

[0004] Therefore, it is necessary to improve the split cyclone dust collector in the prior art. Utility Model Content

[0005] Therefore, the technical problem to be solved by the utility model is to overcome the technical problems of severe inner wall wear, low dust removal efficiency and short service life in the prior art.

[0006] In order to solve the above technical problems, the utility model provides a split cyclone dust collector, comprising:

[0007] The cylinder body comprises a cylindrical portion and a conical portion, the cylindrical portion and the conical portion are coaxial and the axial center lines both extend in the vertical direction, the inner diameter of the bottom of the conical portion is smaller than the inner diameter of the cylindrical portion, the bottom of the conical portion is connected to an ash discharge pipe, and the upper side wall of the cylindrical portion is connected to an air intake pipe;

[0008] A wear-resistant layer, the wear-resistant layer covers the circumferential inner wall of the cylindrical portion and the circumferential inner wall of the conical portion, the wear-resistant layer is provided with an air intake hole, the air intake hole is directly opposite to the air intake pipe and the inner diameters of the two are consistent;

[0009] The cylinder cover is detachably connected to the cylinder body and a sealing cover is arranged at one end of the cylindrical part away from the conical part. An exhaust pipe coaxial with the cylindrical part is passed through the cylinder cover.

[0010] As a further improvement of the present invention, in order to facilitate the maintenance of the wear-resistant layer and extend the service life of the device, the wear-resistant layer is a wear-resistant coating.

[0011] As a further improvement of the utility model, in order to facilitate the precise docking of the cylinder cover and the cylinder body, a positioning sleeve is provided at one end of the cylinder cover adjacent to the ash discharge pipe, and the positioning sleeve is sealingly connected to the circumferential outer edge of the top of the wear-resistant layer.

[0012] As a further improvement of the present invention, in order to facilitate the insertion of the positioning sleeve into the inner side of the top of the wear-resistant layer, the circumferential outer edges of the adjacent surfaces of the positioning sleeve and the ash discharge pipe are provided with chamfers.

[0013] As a further improvement of the present invention, in order to ensure a sealed connection between the positioning sleeve and the wear-resistant layer, an elastic sealing ring is provided between the positioning sleeve and the wear-resistant layer.

[0014] As a further improvement of the utility model, in order to facilitate the loading and unloading between the cylinder cover and the wear-resistant layer on the basis of satisfying the sealing connection between the cylinder cover and the wear-resistant layer, the sealing ring is a hollow sealing ring fixed to the outside of the positioning sleeve, and the cylinder cover is provided with a boost pipe and a pressure reducing pipe connected to the sealing ring. The boost pipe and the pressure reducing pipe are respectively used to increase and reduce the internal pressure of the sealing ring to adjust the outer diameter of the sealing ring.

[0015] As a further improvement of the utility model, in order to facilitate maintaining the air pressure inside the sealing ring, the boosting pipe and the pressure reducing pipe are both connected to a stop valve.

[0016] As a further improvement of the present invention, in order to reduce the contact between dust particles and the sealing ring and the wear and damage of the sealing ring, a limit plate is provided on the side of the positioning sleeve adjacent to the ash discharge pipe, the limit plate is gap-matched with the wear-resistant layer, and the sealing ring is arranged between the cylinder cover, the limit plate, the positioning sleeve and the wear-resistant layer.

[0017] As a further improvement of the present invention, in order to ensure the sealing of the bottom of the ash discharge pipe, facilitate the collection of dust particles, and prevent dust particles from flying, the ash discharge pipe is detachably connected to an extension pipe, and a liquid storage tank is arranged below the cylinder body. One end of the extension pipe away from the ash discharge pipe extends into the liquid storage tank and is located below the liquid level of the sealing liquid in the liquid storage tank.

[0018] As a further improvement of the present invention, in order to facilitate the assembly of the extension tube and the ash discharge pipe and to facilitate the loading and unloading of the liquid storage tank, the extension tube is an elastic tube, and the top sealing sleeve of the elastic tube is arranged outside the ash discharge pipe.

[0019] Compared with the prior art, the split cyclone dust collector of the utility model covers the inner walls of the cylindrical part and the conical part with a wear-resistant layer to prevent dust particles in the air from contacting the inner wall of the cylinder during the dust removal process, thereby avoiding wear and air leakage on the inner wall of the cylinder. The split structure in which the cylinder and the cylinder cover are detachably connected facilitates immediate supplementary maintenance of the wear-resistant layer on the inner wall of the cylinder. In this way, the dust removal efficiency is improved by reducing air leakage and the service life of the device is extended. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to make the content of the utility model easier to understand, the utility model is further described in detail according to the specific embodiments of the utility model in combination with the accompanying drawings, wherein:

[0021] Figure 1 is a schematic structural diagram of the first embodiment;

[0022] Figure 2 yes Figure 1 A top view of

[0023] Figure 3 yes Figure 2 AA section view;

[0024] Figure 4 yes Figure 1 Explosion diagram of

[0025] Figure 5 is a schematic structural diagram of a second embodiment;

[0026] Figure 6 yes Figure 5 Explosion diagram of

[0027] Figure 7 is a schematic structural diagram of a third embodiment;

[0028] Figure 8 yes Figure 7 A top view of

[0029] Fig. 9 yes Figure 8 BB section view;

[0030] Fig.10 yes Figure 7 Explosion diagram of

[0031] Fig.11 is a schematic structural diagram of a fourth embodiment;

[0032] Fig.12 yes Fig.11 Explosion diagram of

[0033] Explanation of the reference numerals in the drawings in the specification: 1. cylinder body; 11. cylindrical portion; 12. conical portion; 13. air inlet pipe; 14. ash discharge pipe; 15. support leg; 2. wear-resistant layer; 21. air inlet hole; 3. cylinder cover; 31. positioning sleeve; 311. chamfer; 32. sealing ring; 33. boost pipe; 34. pressure reducing pipe; 35. stop valve; 36. limit plate; 38. exhaust pipe; 4. extension pipe; 5. liquid storage tank; 6. bolts; 7. nuts. DETAILED DESCRIPTION

[0034] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and implement it, but the embodiments are not intended to limit the present invention.

[0035] It should be noted that when an element is referred to as being "disposed on" or "fixed on" another element, it may be directly on the other element or there may be a central element. When an element is referred to as being "fixed on" another element, or "fixedly connected" to another element, they may be fixed in a detachable manner or in a non-detachable manner. When an element is considered to be "connected" or "rotatably connected" to another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right", "upper", "lower" and similar expressions used are for illustrative purposes only and do not represent the only implementation method.

[0036] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to restrict the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0037] The terms “first”, “second”, “third” and the like in the present invention do not represent specific quantities and sequences, but are merely used to distinguish names.

[0038] First embodiment

[0039] like Figure 1-Figure 4 As shown, the split cyclone dust collector of the first embodiment of the utility model comprises:

[0040] The cylinder 1 comprises a cylindrical portion 11 and a conical portion 12. The cylindrical portion 11 and the conical portion 12 are coaxial and the axial centers extend in the vertical direction. The inner diameter of the bottom of the conical portion 12 is smaller than the inner diameter of the cylindrical portion 11. The bottom of the conical portion 12 is connected to an ash discharge pipe 14, and the upper side wall of the cylindrical portion 11 is connected to an air intake pipe 13.

[0041] The wear-resistant layer 2 covers the circumferential inner wall of the cylindrical portion 11 and the circumferential inner wall of the conical portion 12. The wear-resistant layer 2 is provided with an air intake hole 21, which faces the air intake pipe 13 and has the same inner diameter.

[0042] The cylinder cover 3 is detachably connected to the cylinder body 1 and a sealing cover is arranged at one end of the cylinder portion 11 away from the conical portion 12 . An exhaust pipe 38 coaxial with the cylinder portion 11 is passed through the cylinder cover 3 .

[0043] In order to facilitate the support of the cylinder 1, a support leg 15 extending in the vertical direction is fixedly connected below the conical surface of the conical portion 12, and an ash discharge port is formed at the bottom of the conical portion 12, and the ash discharge port is arranged directly above the ash discharge pipe 14; the axial direction of the air inlet pipe 13 is horizontal, and the circumferential inner wall of the air inlet pipe 13 is tangent to the circumferential inner wall of the cylindrical portion 11; the cylinder 1 is formed by integrally connecting the cylindrical portion 11 and the conical portion 12; the wear-resistant layer 2 preferably adopts a wear-resistant coating, and various wear-resistant coatings can be sprayed on the inner wall of the cylinder 1 by thermal spraying, wherein the spraying methods include but are not limited to plasma spraying, arc spraying and flame spraying, and the wear-resistant coating materials include but are not limited to ceramics, alloys, oxides, fluoroplastics and other materials.

[0044] By spraying a wear-resistant layer 2 on the circumferential inner wall of the cylinder 1, and providing an air intake hole 21 on the wear-resistant layer 2 corresponding to the air intake pipe 13, during air dust removal, the dust-containing gas enters the inner side of the wear-resistant layer 2 through the air intake pipe 13 and the air intake hole 21, and then moves downward in a spiral along the inner wall of the wear-resistant layer 2. The dust particles in the air are captured by the wear-resistant layer 2 and are discharged downward from the bottom of the wear-resistant layer 2 through the ash discharge pipe 14, while the clean gas flows upward and is discharged to the outside through the exhaust pipe 38.

[0045] During the dust removal process, the wear-resistant layer 2 is used to prevent the dust-containing gas from contacting the circumferential inner wall of the cylinder 1, thereby avoiding wear and damage to the inner wall of the cylinder 1 caused by friction of dust particles, extending the service life of the cylinder 1, and preventing air leakage in the cylinder 1, thereby ensuring the dust removal efficiency.

[0046] After the device has been used for a period of time, the wear-resistant layer 2 is in contact with dust particles, causing the wear-resistant layer 2 to become thinner due to wear of the dust particles. At this time, the cylinder cover 3 can be removed from the cylinder body 1, and the wear-resistant layer 2 can be sprayed to repair the worn position. Then, the cylinder cover 3 can be installed on the end of the cylindrical portion 11 away from the conical portion 12, so that the split cyclone dust collector can continue to be put into use. Since the worn area of ​​the wear-resistant layer 2 has been repaired, the overall thickness of the wear-resistant layer 2 is guaranteed, thereby preventing the dust removal efficiency from being reduced due to air leakage generated during the dust removal process.

[0047] In order to facilitate the detachable connection between the cylinder body 1 and the cylinder cover 3, an annular outer flange is integrally connected coaxially with the end of the cylindrical portion 11 away from the conical portion 12, and the outer diameter of the outer flange is consistent with the outer diameter of the cylinder cover 3. The outer flange and the cylinder cover 3 are connected by threaded bolts 6 and nuts 7, thus facilitating the detachable connection between the cylinder body 1 and the cylinder cover 3.

[0048] Therefore, after adopting the above structure, by covering the wear-resistant layer 2 on the circumferential inner wall of the cylindrical part 11 and the circumferential inner wall of the conical part 12, dust-containing particles can be prevented from directly contacting the inner wall of the cylinder 1, and wear of the inner wall of the cylinder 1 can be avoided to cause air leakage, thereby causing a decrease in dust removal efficiency. As the use time increases, the wear-resistant layer 2 is worn out, and the cylinder cover 3 can be opened regularly to spray the wear-resistant layer 2 and repair the worn part of the wear-resistant layer 2 to ensure the overall thickness and uniformity of the wear-resistant layer 2. Then, the cylinder cover 3 can be connected to the cylinder 1, so that the split cyclone dust collector can continue to be put into use. In this way, through the protection of the wear-resistant layer 2 and regular maintenance and repair, air leakage can be avoided when the device is used. On the one hand, the service life of the device is extended, and on the other hand, the dust removal efficiency is guaranteed.

[0049] A further improvement is that a positioning sleeve 31 is provided at one end of the cylinder cover 3 adjacent to the ash discharge pipe 14 , and the positioning sleeve 31 is sealingly connected to the circumferential outer edge of the top of the wear-resistant layer 2 .

[0050] By setting the positioning sleeve 31, when the cylinder cover 3 is installed on the cylinder body 1, it is ensured that the cylinder cover 3 can be coaxial with the cylinder body 1, so that the two can be accurately connected through the bolts 6 and the nuts 7. At the same time, the sealing connection between the positioning sleeve 31 and the top circumferential outer edge of the wear-resistant layer 2 is utilized to prevent the formation of a gap between the cylinder cover 3 and the cylinder body 1 to cause air leakage and affect the dust removal efficiency.

[0051] A further improvement is that the circumferential outer edge of the adjacent surface of the positioning sleeve 31 and the ash discharge pipe 14 is provided with a chamfer 311. By providing the chamfer 311, the outer diameter of the bottom end of the positioning sleeve 31 is reduced, which facilitates the insertion of the positioning sleeve 31 into the inner side of the top of the wear-resistant layer 2, and completes the sealing connection between the positioning sleeve 31 and the wear-resistant layer 2.

[0052] Second embodiment

[0053] like Figure 5 and Figure 6 As shown, the split cyclone dust collector of the second embodiment of the utility model is based on the first embodiment, and the difference is that an elastic sealing ring 32 is provided between the positioning sleeve 31 and the wear-resistant layer 2.

[0054] Specifically, the sealing ring 32 is preferably made of a rubber ring, a silicone ring or a latex ring. The circumferential inner wall of the sealing ring 32 is fixedly connected to the circumferential outer edge of the positioning sleeve 31, and the circumferential outer edge is sealed to the circumferential inner wall of the top of the wear-resistant layer 2, so that the wear-resistant layer 2 is sandwiched between the sealing ring 32 and the cylindrical portion 11.

[0055] After adopting the above structure, the elastic sealing ring 32 is used to contact the wear-resistant layer 2. The sealing ring 32 is squeezed between the wear-resistant layer 2 and the positioning sleeve 31 through its own elastic deformation. On the one hand, it ensures the sealed connection between the positioning sleeve 31 and the wear-resistant layer 2 to prevent air leakage between the two and affect the dust removal efficiency. On the other hand, the wear-resistant layer 2 and the sealing ring 32 are elastically connected, which reduces the wear on the top of the wear-resistant layer 2.

[0056] Third embodiment

[0057] like Figure 7-10 As shown, the split cyclone dust collector of the third embodiment of the utility model is based on the second embodiment, with the difference that the sealing ring 32 is a hollow sealing ring 32 fixed to the outside of the positioning sleeve 31, and the cylinder cover 3 is provided with a boost pipe 33 and a pressure reducing pipe 34 connected with the sealing ring 32, and the boost pipe 33 and the pressure reducing pipe 34 are respectively used to increase and reduce the internal pressure of the sealing ring 32 to adjust the outer diameter of the sealing ring 32; the boost pipe 33 and the pressure reducing pipe 34 are both connected with a stop valve 35.

[0058] In the above device, the boost pipe 33 is used to fill the compressed gas into the sealing ring 32, and the pressure reducing pipe 34 is used to discharge the compressed gas in the sealing ring 32. The boost pipe 33, the pressure reducing pipe 34 and the inner cavity of the sealing ring 32 are controlled by the stop valve 35 to adjust the internal air pressure of the sealing ring 32 and stabilize the air pressure within a certain range.

[0059] Therefore, after adopting the above structure, when it is necessary to remove the cylinder cover 3 from the cylinder body 1, the stop valve 35 connected to the pressure reducing pipe 34 is opened, so that the compressed gas is discharged from the sealing ring 32, the size of the sealing ring 32 is reduced, and the circumferential outer edge of the sealing ring 32 is separated from the circumferential inner wall of the top of the wear-resistant layer 2, so that the cylinder cover 3 is convenient to remove from the top of the cylinder body 1; and after the cylinder cover 3 is installed on the top of the cylinder body 1, the stop valve 35 connected to the pressure reducing pipe 34 is closed, and the stop valve 35 connected to the boosting pipe 33 is opened, and the boosting pipe 33 is used to inject compressed gas into the sealing ring 32, so that the air pressure in the inner cavity of the sealing ring 32 is increased, thereby increasing the size of the sealing ring 32, so that the circumferential outer edge of the sealing ring 32 is sealed and connected with the circumferential inner wall of the top of the wear-resistant layer 2, so as to maintain the sealing performance and prevent air leakage from affecting the sealing performance.

[0060] A further improvement is that a limiting plate 36 is provided on the side of the positioning sleeve 31 adjacent to the ash discharge pipe 14 , the limiting plate 36 is clearance-matched with the wear-resistant layer 2 , and a sealing ring 32 is provided between the cylinder cover 3 , the limiting plate 36 , the positioning sleeve 31 and the wear-resistant layer 2 .

[0061] The outer diameter of the limiting plate 36 is smaller than the inner diameter of the top of the wear-resistant layer 2, and the circumferential outer edge of the limiting plate 36 is matched with the circumferential inner wall clearance of the top of the wear-resistant layer 2. Under normal air pressure, the outer diameter of the sealing ring 32 is smaller than the outer diameter of the limiting plate 36. The limiting plate 36 can limit the expansion direction of the sealing ring 32, so that after the sealing ring 32 is inflated, it mainly expands radially toward the outer circle, that is, it mainly increases its own outer diameter to maintain a sealed connection with the wear-resistant layer 2. At the same time, the limiting plate 36 can also block the dust-containing gas below to prevent dust particles in the dust-containing gas from causing wear and damage to the sealing ring 32.

[0062] Fourth embodiment

[0063] like Fig.11 and Fig.12 As shown, the split cyclone dust collector of the fourth embodiment of the utility model is based on the third embodiment, with the difference that the ash discharge pipe 14 is detachably connected with the extension pipe 4, a liquid storage tank 5 is arranged below the cylinder 1, and one end of the extension pipe 4 away from the ash discharge pipe 14 extends into the liquid storage tank 5 and is located below the liquid level of the sealing liquid in the liquid storage tank 5; the extension pipe 4 is an elastic tube, and the top sealing sleeve of the elastic tube is arranged outside the ash discharge pipe 14.

[0064] The extension tube 4 is preferably made of a rubber tube. In a natural state, the inner diameter of the extension tube 4 is smaller than the outer diameter of the ash discharge pipe 14, and the outer diameter of the extension tube 4 is larger than the outer diameter of the ash discharge pipe 14. Therefore, when one end of the extension tube 4 is expanded and opened, it can be sealed and sleeved on the ash discharge pipe 14, and rely on its own elasticity to tighten and fix itself on the ash discharge pipe 14, while the other end of the extension tube 4 extends into the liquid storage tank 5. The top of the liquid storage tank 5 is open, which is convenient for injecting sealing liquid into the interior. The sealing liquid is usually water, and the water level is above the end of the extension tube 4 away from the ash discharge pipe 14. In this way, the liquid seal is completed to ensure the dust removal efficiency. In addition, when dust removal is performed, the dust particles in the dust-containing gas are discharged through the ash discharge pipe 14, flow along the extension tube 4, and enter the water. The water can prevent the dust particles in the liquid storage tank 5 from flying and polluting the surrounding environment.

[0065] After dust removal is completed, the elastic extension tube 4 can be directly removed from the dust discharge pipe 14, and the liquid storage tank 5 filled with water and dust particles can be cleaned.

[0066] Obviously, the above embodiments are merely examples for the purpose of clear explanation and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived from these are still within the scope of protection of the invention of the utility model.

Claims

1. A split cyclone dust collector, characterized in that: include: A cylinder (1), the cylinder (1) comprising a cylindrical portion (11) and a conical portion (12), the cylindrical portion (11) and the conical portion (12) being coaxial and both of which extend in a vertical direction, the inner diameter of the bottom of the conical portion (12) being smaller than the inner diameter of the cylindrical portion (11), the bottom of the conical portion (12) being connected to an ash discharge pipe (14), and the upper side wall of the cylindrical portion (11) being connected to an air intake pipe (13); A wear-resistant layer (2), the wear-resistant layer (2) covers the circumferential inner wall of the cylindrical portion (11) and the circumferential inner wall of the conical portion (12), the wear-resistant layer (2) is provided with an air intake hole (21), the air intake hole (21) is directly opposite to the air intake pipe (13), and the inner diameters of the two are consistent; A cylinder cover (3) is detachably connected to the cylinder body (1) and a sealing cover is arranged at an end of the cylindrical portion (11) away from the conical portion (12). An exhaust pipe (38) coaxial with the cylindrical portion (11) passes through the cylinder cover (3).

2. The split cyclone dust collector according to claim 1, characterized in that: The wear-resistant layer (2) is a wear-resistant coating.

3. The split cyclone dust collector according to claim 1, characterized in that: A positioning sleeve (31) is provided at one end of the cylinder cover (3) adjacent to the ash discharge pipe (14), and the positioning sleeve (31) is sealingly connected to the circumferential outer edge of the top of the wear-resistant layer (2).

4. The split cyclone dust collector according to claim 3 is characterized in that: The circumferential outer edges of the adjacent surfaces of the positioning sleeve (31) and the ash discharge pipe (14) are provided with chamfers (311).

5. The split cyclone dust collector according to claim 3 is characterized in that: An elastic sealing ring (32) is provided between the positioning sleeve (31) and the wear-resistant layer (2).

6. The split cyclone dust collector according to claim 5, characterized in that: The sealing ring (32) is a hollow sealing ring (32) fixed outside the positioning sleeve (31), and the cylinder cover (3) is provided with a pressurizing pipe (33) and a reducing pipe (34) connected to the sealing ring (32). The pressurizing pipe (33) and the reducing pipe (34) are respectively used to increase and reduce the internal pressure of the sealing ring (32) so as to adjust the outer diameter of the sealing ring (32).

7. The split cyclone dust collector according to claim 6, characterized in that: The pressure-increasing pipe (33) and the pressure-reducing pipe (34) are both connected to a stop valve (35).

8. The split cyclone dust collector according to claim 6, characterized in that: A limiting plate (36) is arranged on a side of the positioning sleeve (31) adjacent to the ash discharge pipe (14); the limiting plate (36) is clearance-matched with the wear-resistant layer (2); and the sealing ring (32) is arranged between the cylinder cover (3), the limiting plate (36), the positioning sleeve (31) and the wear-resistant layer (2).

9. The split cyclone dust collector according to claim 1, characterized in that: The ash discharge pipe (14) is detachably connected to an extension pipe (4); a liquid storage tank (5) is provided below the cylinder (1); one end of the extension pipe (4) away from the ash discharge pipe (14) extends into the liquid storage tank (5) and is located below the level of the sealing liquid in the liquid storage tank (5).

10. The split cyclone dust collector according to claim 9, characterized in that: The extension tube (4) is an elastic tube, and a sealing sleeve at the top end of the elastic tube is arranged outside the ash discharge tube (14).

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