A cyclone separator

Abstract

The application discloses a cyclone separator and belongs to the technical field of flue gas treatment equipment. The cyclone separator comprises a separator shell, a cyclone structure is arranged in the separator shell, a cavity is arranged between the cyclone structure and the separator shell, the cyclone structure comprises a horizontally arranged air inlet pipeline and a vertically arranged rotating pipeline, the air inlet pipeline is communicated with the rotating pipeline, a vertically arranged air outlet pipeline is fixed on the top of the rotating pipeline, and a gap is arranged between the rotating pipeline and the air outlet pipeline. The cyclone separator has the effects of low manufacturing cost and excellent performance.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of flue gas treatment equipment, and in particular to a cyclone separator. BACKGROUND

[0002] With the increasingly stringent national environmental protection policy, the requirements for industrial emissions are continuously improved, especially in the petroleum refining, petrochemical and coal chemical industries, the demand for high-temperature and high-pressure flue gas treatment is increasingly urgent. The waste heat recovery system in these industries not only needs to efficiently remove dust in flue gas, but also needs to ensure that the equipment can operate stably for a long time to reduce environmental pollution and improve resource utilization. The existing cyclone separator performs well at low temperature and normal pressure, but it faces many challenges under high temperature and high pressure, which directly affects the reliability and economy of the system.

[0003] At present, in order to deal with the problem of flue gas dust removal under high temperature and high pressure, the industry usually adopts the following methods: first, using special metal or ceramic materials that can withstand high temperature, abrasion and corrosion to manufacture cyclone separators, such materials can maintain good mechanical properties under extreme conditions; second, optimizing the design structure of the cyclone separator, such as adding multi-stage cyclone separation devices to improve the dust removal efficiency; third, using external cooling measures, such as adding water cooling jacket to reduce the shell temperature and prolong the service life.

[0004] Although the above methods can improve the performance of the cyclone separator under high temperature and high pressure to some extent, there are still obvious defects. First of all, the cost is high, especially the use of special metal or ceramic materials, which leads to a substantial increase in overall cost; secondly, the physical properties of the materials themselves are limited, such as the decrease in tensile strength and the increase in deformation of metal materials under long-term high temperature environment, which affects the safety and stability of the equipment; thirdly, the complex design increases the manufacturing difficulty and maintenance cost, and reduces the economic benefit of the system. Therefore, there is an urgent need for a cyclone separator design that can reduce cost and improve performance. SUMMARY

[0005] In order to improve the problem of high manufacturing cost of the existing cyclone separator under high temperature and high pressure, the present application provides a cyclone separator.

[0006] The cyclone separator provided by the present application adopts the following technical solution:

[0007] A cyclone separator comprises a separator shell, a cyclone structure arranged in the separator shell, a cavity arranged between the cyclone structure and the separator shell, the cyclone structure comprising a horizontally arranged air inlet pipe and a vertically arranged rotating pipe, the air inlet pipe being communicated with the rotating pipe, a vertically arranged air outlet pipe being fixed to the top of the rotating pipe, and a gap being arranged between the rotating pipe and the air outlet pipe.

[0008] By using the above technical scheme, high-temperature and high-pressure flue gas enters the rotating pipe from the air inlet pipe at the side end of the separator shell, and after high-speed rotation, the high-temperature flue gas is discharged from the air outlet pipe at the top, and the dust is discharged from the bottom of the rotating pipe. Since there is a gap between the rotating pipe and the air outlet pipe, a part of the flue gas can flow back to the cavity through the gap, so that the cyclone structure is in a pressure balance state. The cyclone structure only needs to use heat-resistant materials to meet the design requirements, and has low manufacturing cost and excellent performance.

[0009] Preferably, the side surface of the separator shell is provided with a flue gas inlet flange, the top of the separator shell is provided with a flue gas outlet flange, the inner wall of the flue gas outlet flange and the inner wall of the flue gas inlet flange are both provided with a lining, the air inlet pipe is installed inside the lining of the flue gas inlet flange, and the air outlet pipe is installed inside the lining of the flue gas outlet flange.

[0010] By using the above technical scheme, the lining is arranged on the inner wall of the flue gas inlet flange and the flue gas outlet flange, which can effectively protect the flue gas inlet flange and the flue gas outlet flange from being damaged by high-temperature flue gas, prolong the service life of the flue gas inlet flange and the flue gas outlet flange, and improve the reliability of the equipment.

[0011] Preferably, the inner wall of the separator shell is provided with a lining.

[0012] By using the above technical scheme, by adding a layer of lining to the inner wall of the separator shell, the high-temperature flue gas will not directly contact the separator shell, thereby ensuring the long-term stable operation of the equipment in a high-temperature and high-pressure environment.

[0013] Preferably, the bottom of the separator shell is provided with a collection box, a box door is hingedly connected to the side surface of the collection box, an installation slot is formed in the top surface of the collection box, a collection box is arranged in the collection box, a material receiving slot is formed in the top surface of the collection box and communicated with the bottom of the rotating pipe, and a handle is arranged on the side of the collection box close to the box door.

[0014] By using the above technical scheme, the collection box is placed in the collection box, and the collection box is used to collect dust, thereby improving the dust collection efficiency and making maintenance and cleaning more convenient.

[0015] Preferably, two baffles are installed in the collecting box, the two baffles are partition one and partition two respectively, the partition one is located on the side away from the box door of the partition two, the top surface of the baffle is provided with a clamping groove, the baffle is installed with a clamping block in the vertical direction through the clamping groove, the two clamping blocks are clamping block one and clamping block two respectively, the clamping block one is installed on the top of the partition one, and the clamping block two is installed on the top of the partition two; the top surface of the collecting box is provided with two connecting through grooves, the two connecting through grooves are located on both sides of the top surface of the collecting box respectively, the two connecting through grooves are positioning groove one and positioning groove two respectively, the clamping block one can be inserted into the positioning groove one, and the clamping block two can be inserted into the positioning groove two, and the collecting box is provided with a pushing assembly for pushing the baffle to move towards the direction close to the box door.

[0016] By adopting the above technical scheme, when the dust in the collecting box reaches a certain amount, the pushing assembly is used to first move the partition one towards the direction close to the box door, when the partition one moves to the position of the positioning groove one, the clamping block one is inserted into the positioning groove one, the collecting box continues to collect dust, when the dust in the collecting box continues to accumulate to a certain amount, the pushing assembly moves the partition two towards the direction close to the box door, when the partition two moves to the position of the positioning groove two, the clamping block two is inserted into the positioning groove two, so that the dust capacity of the collecting box is more flexible.

[0017] Preferably, the bottom surface of the clamping block is fixed with a spring one, and the bottom end of the spring one is fixedly connected with the inner bottom surface of the clamping groove.

[0018] By adopting the above technical scheme, when the baffle moves to the position of the connecting through groove, the clamping block one moves upward and is inserted into the connecting through groove under the elastic force of the spring one, so as to limit the baffle.

[0019] Preferably, the collecting box is installed with a pressing block in the vertical direction through the connecting through groove, the side surface of the pressing block is fixed with a reset block, the inner wall of the connecting through groove is provided with a reset groove, the reset block is vertically matched with the collecting box through the reset groove, and the bottom surface of the reset block is fixed with a spring two, and the bottom end of the spring two is fixedly connected with the inner bottom surface of the reset groove.

[0020] By adopting the above technical scheme, when the dust in the collecting box needs to be treated, the pressing block is pressed downward, the pressing block pushes the clamping block in the connecting through groove to move downward, so that the clamping block is separated from the connecting through groove, so as to disassemble the baffle.

[0021] Preferably, the pushing assembly comprises two air cylinders mounted on the side surfaces of the collecting box, the side surfaces of the collecting box are provided with accommodation grooves for the air cylinders, the piston rod ends of the air cylinders are fixed with connecting plates, the connecting plates are fixed with motors near the side surfaces of the baffle, the output ends of the motors are fixed with pushing plates, and the connecting plates are below the piston rods of the air cylinders; the side surface of the second baffle is provided with a moving groove for the pushing plate.

[0022] By using the above technical scheme, when the first baffle needs to be pushed, the air cylinder is started, the air cylinder drives the pushing plate to pass through the moving groove, the pushing plate abuts against the first baffle and pushes the first baffle to move, and when the second baffle needs to be pushed, the motor is started first, the motor drives the pushing plate to rotate to the vertical state, so that the pushing plate abuts against the first baffle, so as to push the first baffle to move towards the direction close to the box door.

[0023] Preferably, the second baffle is rotatably installed with a rotating rod near the side surface of the first baffle, the rotating rod is sleeved with a rotating plate, the rotating plate can block the moving groove, the two sides of the rotating rod are respectively installed with mounting blocks, the mounting blocks are fixedly connected with the second baffle, the rotating rod is sleeved with a torsional spring, one end of the torsional spring is fixedly connected with the mounting block, and the other end of the torsional spring is fixedly connected with the rotating plate.

[0024] By using the above technical scheme, when the piston rod of the air cylinder drives the pushing plate to pass through the moving groove, the rotating plate rotates upward, and since the connecting plate is below the piston rod, when the pushing plate is reset, the piston rod of the air cylinder abuts against the rotating plate, so as to enable the connecting plate and the movable plate to pass through the moving groove; when the pushing plate pushes the second baffle to the position of the second positioning groove, the rotating plate abuts against the second baffle under the elastic force of the torsional spring, so that the dust accumulated between the second baffle and the first baffle is not easy to leak out of the moving groove.

[0025] In summary, the present application has at least one of the following beneficial technical effects:

[0026] The high-temperature and high-pressure flue gas enters the rotating pipe from the gas inlet pipe on the side end of the separator shell, and after high-speed rotation, the high-temperature flue gas is discharged from the top gas outlet pipe, and the dust is discharged from the bottom of the rotating pipe. Since there is a gap between the rotating pipe and the gas outlet pipe, a part of the flue gas can flow back to the cavity through the gap, so that the cyclone structure is in a state of pressure balance. The cyclone structure only needs to use heat-resistant materials to meet the design requirements, has low manufacturing cost and excellent performance.

[0027] The inner walls of the flue gas inlet flange and the flue gas outlet flange are provided with liners, which can effectively protect the flue gas inlet flange and the flue gas outlet flange from being damaged by high-temperature flue gas, prolong the service life of the flue gas inlet flange and the flue gas outlet flange, and improve the reliability of the equipment.

[0028] By adding a layer of lining to the inner wall of the separator shell, the high-temperature flue gas does not directly contact the separator shell, thereby ensuring long-term stable operation of the equipment in a high-temperature and high-pressure environment. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 is a schematic diagram of the overall structure of the cyclone separator of the embodiment of the present application.

[0030] Figure 2 is a sectional view of the separator shell in the cyclone separator of the embodiment of the present application.

[0031] Figure 3 is a sectional view of the collection box in the cyclone separator of the embodiment of the present application.

[0032] Figure 4 is a sectional view of the collection box in the cyclone separator of the embodiment of the present application.

[0033] Figure 5 is a schematic diagram of the structure of the baffle in the cyclone separator of the embodiment of the present application.

[0034] Figure 6 is Figure 4 is an enlarged schematic diagram of position A in FIG. 6.

[0035] Figure 7 is a schematic diagram of the structure of the connecting plate and the pushing plate in the cyclone separator of the embodiment of the present application.

[0036] Figure 8 is Figure 5 is an enlarged schematic diagram of position B in FIG. 6.

[0037] Reference signs: 1, separator shell; 11, cyclone structure; 111, air inlet pipeline; 112, rotating pipeline; 113, air outlet pipeline; 12, cavity; 13, flue gas inlet flange; 14, flue gas outlet flange; 2, collection box; 21, box door; 22, installation through slot; 23, accommodation through slot; 3, collection box; 31, material receiving through slot; 32, handle; 4, baffle; 41, partition one; 42, partition two; 421, moving through slot; 422, rotating rod; 423, rotating plate; 424, mounting block; 425, torsional spring; 5, clamping block; 51, clamping block one; 52, clamping block two; 53, clamping groove; 54, spring one; 6, pressing block; 61, connecting through slot; 611, positioning groove one; 612, positioning groove two; 62, reset block; 63, reset groove; 64, spring two; 7, air cylinder; 71, connecting plate; 72, motor; 73, pushing plate. DETAILED DESCRIPTION

[0038] The following will be described in detail in combination with the accompanying drawings. Figures 1-8 The present application will be further described in detail.

[0039] The embodiment of the present application discloses a cyclone separator. Referring to Figure 1 and Figure 2 The cyclone separator comprises a separator shell 1, a cyclone structure 11 arranged in the separator shell 1, and a cavity 12 arranged between the cyclone structure 11 and the separator shell 1. The inner wall of the separator shell 1 is provided with a lining. By adding a layer of lining to the inner wall of the separator shell 1, the high-temperature flue gas cannot directly contact the separator shell 1, so that the long-term stable operation of the equipment in a high-temperature and high-pressure environment is ensured.

[0040] Referring to Figure 2 The cyclone structure 11 comprises a horizontal air inlet pipe 111 and a vertical rotating pipe 112, and the air inlet pipe 111 is communicated with the rotating pipe 112. The top of the rotating pipe 112 is provided with a vertical air outlet pipe 113, and a gap is arranged between the rotating pipe 112 and the air outlet pipe 113.

[0041] The high-temperature and high-pressure flue gas enters the rotating pipe 112 from the air inlet pipe 111 at the side end of the separator shell 1, and is discharged from the air outlet pipe 113 at the top after high-speed rotation. The dust is discharged from the bottom of the rotating pipe 112. Since there is a gap between the rotating pipe 112 and the air outlet pipe 113, part of the flue gas can flow back to the cavity 12 through the gap, so that the cyclone structure 11 is in a pressure balance state. The cyclone structure 11 only needs to adopt heat-resistant materials to meet the design requirements, has low manufacturing cost and excellent performance.

[0042] Referring to Figure 2 The top of the separator shell 1 is provided with a flue gas outlet flange 14, and the side of the separator shell 1 is provided with a flue gas inlet flange 13. The inner walls of the flue gas outlet flange 14 and the flue gas inlet flange 13 are both provided with a lining. The air outlet pipe 113 is installed in the lining of the flue gas outlet flange 14, and the air inlet pipe 111 is installed in the lining of the flue gas inlet flange 13.

[0043] The lining arranged on the inner walls of the flue gas inlet flange 13 and the flue gas outlet flange 14 can effectively protect the flue gas inlet flange 13 and the flue gas outlet flange 14 from being damaged by high-temperature flue gas, prolong the service life of the flue gas inlet flange 13 and the flue gas outlet flange 14, and improve the reliability of the equipment.

[0044] Referring to Figure 1 , Figure 3 and Figure 4 The bottom of the separator shell 1 is provided with a collecting box 2, and the side of the collecting box 2 is hingedly provided with a box door 21. The top surface of the collecting box 2 is provided with a mounting groove 22, the collecting box 2 is provided with a collecting box 3, the top surface of the collecting box 3 is provided with a material receiving groove 31 communicated with the bottom of the rotating pipe 112, and the side of the collecting box 3 close to the box door 21 is provided with a handle 32.

[0045] With reference to Figure 4 and Figure 5 , two baffles 4 are installed in the collecting box 3, and the two baffles 4 are respectively a first partition plate 41 and a second partition plate 42, and the first partition plate 41 is located away from the push plate 73 on the side of the second partition plate 42. The top surface of the baffle 4 is provided with a clamping groove 53, and the baffle 4 is vertically slidably installed with a clamping block 5 through the clamping groove 53. The bottom surface of the clamping block 5 is fixed with a spring 54, and the bottom end of the spring 54 is fixedly connected with the inner bottom surface of the clamping groove 53.

[0046] With reference to Figure 4 and Figure 5 , the two clamping blocks 5 are respectively a first clamping block 51 and a second clamping block 52, the first clamping block 51 is installed on the top of the first partition plate 41, and the second clamping block 52 is installed on the top of the second partition plate 42. The top surface of the collecting box 3 is provided with two connecting grooves 61, and the two connecting grooves 61 are respectively located on both sides of the top surface of the collecting box 3. The two connecting grooves 61 are respectively a first positioning groove 611 and a second positioning groove 612, the first clamping block 51 can be inserted into the first positioning groove 611, and the second clamping block 52 can be inserted into the second positioning groove 612.

[0047] With reference to Figure 6 , the collecting box 3 is vertically slidably installed with a pressing block 6 through the connecting groove 61, the side surface of the pressing block 6 is fixed with a reset block 62, the inner wall of the connecting groove 61 is provided with a reset groove 63, and the reset block 62 is vertically slidably matched with the collecting box 3 through the reset groove 63. The bottom surface of the reset block 62 is fixed with a spring 64, and the bottom end of the spring 64 is fixedly connected with the inner bottom surface of the reset groove 63.

[0048] When the dust in the collecting box 3 reaches a certain amount, first move the first partition plate 41 towards the direction close to the box door 21, when the first partition plate 41 moves to the position of the first positioning groove 611, the first clamping block 51 is inserted into the first positioning groove 611, and the collecting box 3 continues to collect dust, when the dust in the collecting box 3 continues to accumulate to a certain amount, move the second partition plate 42 towards the direction close to the box door 21, when the second partition plate 42 moves to the position of the second positioning groove 612, the second clamping block 52 is inserted into the second positioning groove 612, so that the dust capacity of the collecting box 3 is more flexible.

[0049] With reference to Figure 3 and Figure 7 , two air cylinders 7 are installed on the side surface of the collecting box 3, and the side surface of the collecting box 2 is provided with a let go groove 23 for passing through the air cylinder 7. The end of the piston rod of the air cylinder 7 is fixed with a connecting plate 71, and the connecting plate 71 is located below the piston rod of the air cylinder 7. The side surface of the connecting plate 71 close to the baffle 4 is fixed with a motor 72, and the output end of the motor 72 is fixed with a push plate 73. The side surface of the second partition plate 42 close to the first partition plate 41 is rotatably installed with a rotating rod 422, and the outer periphery of the rotating rod 422 is sleeved with a rotating plate 423.

[0050] With reference to Figure 4 and Figure 8 The side of the second partition plate 42 is provided with a moving through slot 421 for passing the push plate 73, and the rotating plate 423 can block the moving through slot 421. The two sides of the rotating rod 422 are respectively provided with mounting blocks 424, and the mounting blocks 424 are fixedly connected with the second partition plate 42. The outer periphery of the rotating rod 422 is sleeved with a torsion spring 425, one end of the torsion spring 425 is fixedly connected with the mounting block 424, and the other end of the torsion spring 425 is fixedly connected with the rotating rod 422.

[0051] When the push plate 73 is needed, the air cylinder 7 is started, the air cylinder 7 drives the push plate 73 to pass through the moving through slot 421, the push plate 73 abuts against the first partition plate 41 and pushes the first partition plate 41 to move, when the second partition plate 42 is needed, the motor 72 is started first, the motor 72 drives the push plate 73 to rotate to the vertical state, so that the push plate 73 abuts against the first partition plate 41, so as to facilitate the push plate 73 to move towards the direction close to the cabinet door 21, when the push plate 73 pushes the second partition plate 42 to the position of the positioning groove two 612, the rotating plate 423 abuts against the second partition plate 42 under the elastic force of the torsion spring 425, so that the dust accumulated between the second partition plate 42 and the first partition plate 41 is not easy to leak out from the moving through slot 421.

[0052] The implementation principle of the cyclone separator in the embodiment of the application is as follows: high-temperature and high-pressure flue gas enters the rotating pipe 112 from the gas inlet pipe 111 at the side end of the separator shell 1, after high-speed rotation, the high-temperature flue gas is discharged from the gas outlet pipe 113 at the top, and the dust is discharged from the bottom of the rotating pipe 112. Since there is a gap between the rotating pipe 112 and the gas outlet pipe 113, a part of the flue gas can flow back to the cavity 12 through the gap, so that the cyclone structure 11 is in a pressure balance state. The cyclone structure 11 only needs to be made of heat-resistant material to meet the design requirements, and has low manufacturing cost and excellent performance.

[0053] The above are preferred embodiments of the application, and do not limit the protection scope of the application, so that: any equivalent changes made on the basis of the structure, shape, principle of the application should be covered within the protection scope of the application.

Claims

1. A cyclonic separator characterised in that: The utility model provides a kind of separator, including separator shell (1), cyclone structure (11) is provided in the separator shell (1), cavity (12) is provided between the separator shell (1) and the cyclone structure (11), the cyclone structure (11) includes horizontally arranged air inlet pipe (111) and vertically arranged rotating pipe (112), the air inlet pipe (111) is communicated with the rotating pipe (112), the top of the rotating pipe (112) is provided with vertically arranged air outlet pipe (113), and gap is provided between the rotating pipe (112) and the air outlet pipe (113); The side of the separator shell (1) is provided with a flange (13) for the inlet of flue gas, and the top of the separator shell (1) is provided with a flange (14) for the outlet of flue gas, the inner wall of the flange (14) for the outlet of flue gas and the inner wall of the flange (13) for the inlet of flue gas are both provided with a lining, the air inlet pipe (111) is installed inside the lining of the flange (13) for the inlet of flue gas, and the air outlet pipe (113) is installed inside the lining of the flange (14) for the outlet of flue gas; The inner wall of the separator shell (1) is provided with a lining. The bottom of the separator shell (1) is installed with a collecting box (2), the side of the collecting box (2) is hinged with a box door (21), the top surface of the collecting box (2) is provided with an installation slot (22), the collecting box (2) is provided with a collecting box (3), the top surface of the collecting box (3) is provided with a material receiving slot (31) connected with the bottom of the rotating pipe (112), and the collecting box (3) is installed with a handle (32) near the side of the box door (21). The collecting box (3) is installed with two baffles (4), the two baffles (4) are respectively a partition one (41) and a partition two (42), the partition one (41) is located on the side away from the box door (21) of the partition two (42), the top surface of the baffle (4) is provided with a clamping groove (53), the baffle (4) is installed with a clamping block (5) through the vertical sliding of the clamping groove (53), the two clamping blocks (5) are respectively a clamping block one (51) and a clamping block two (52), the clamping block one (51) is installed on the top of the partition one (41), and the clamping block two (52) is installed on the top of the partition two (42); the top surface of the collecting box (3) is provided with two connecting slots (61), the two connecting slots (61) are respectively located on the two sides of the top surface of the collecting box (3), the two connecting slots (61) are respectively a positioning groove one (611) and a positioning groove two (612), the clamping block one (51) can be inserted into the positioning groove one (611), the clamping block two (52) can be inserted into the positioning groove two (612), and the collecting box (3) is provided with a pushing assembly for pushing the baffle (4) to move towards the side close to the box door (21).

2. A cyclone separator according to claim 1, wherein: The bottom surface of the clamping block (5) is fixed with a spring one (54), and the bottom end of the spring one (54) is fixedly connected with the inner bottom surface of the clamping groove (53).

3. A cyclone separator according to claim 1, wherein: The collecting box (3) is vertically slidably installed with a pressing block (6) through the connecting channel (61), the side surface of the pressing block (6) is fixed with a reset block (62), the inner wall of the connecting channel (61) is provided with a reset groove (63), the reset block (62) is vertically slidably matched with the collecting box (3) through the reset groove (63), the bottom surface of the reset block (62) is fixed with a spring two (64), and the bottom end of the spring two (64) is fixedly connected with the inner bottom surface of the reset groove (63).

4. A cyclone according to claim 3 wherein: The pushing assembly comprises two air cylinders (7) installed on the side surface of the collecting box (3), the side surface of the collecting box (2) is provided with a gap channel (23) for penetrating the air cylinder (7), the piston rod end of the air cylinder (7) is fixedly connected with a connecting plate (71), the side surface of the connecting plate (71) close to the baffle (4) is fixedly connected with a motor (72), the output end of the motor (72) is fixedly connected with a pushing plate (73), and the connecting plate (71) is located below the piston rod of the air cylinder (7); the side surface of the second partition plate (42) is provided with a moving channel (421) for penetrating the pushing plate (73).

5. A cyclone according to claim 4 wherein: The second partition plate (42) is rotatably installed with a rotating rod (422) on the side surface close to the first partition plate (41), the outer periphery of the rotating rod (422) is sleeved with a rotating plate (423), the rotating plate (423) can shield the moving channel (421), the two sides of the rotating rod (422) are respectively installed with an installation block (424), the installation block (424) is fixedly connected with the second partition plate (42), the outer periphery of the rotating rod (422) is sleeved with a torsional spring (425), one end of the torsional spring (425) is fixedly connected with the installation block (424), and the other end of the torsional spring (425) is fixedly connected with the rotating plate (423).

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