Cyclone separator, cyclone separation device, and gas treatment system

Abstract

The application discloses a cyclone separator, a cyclone separation device and a gas treatment system, and particularly relates to a cyclone separator which comprises an outer shell and an inner shell, the inside of the outer shell forms an outer cavity, a first air inlet is arranged on the sidewall of the outer shell, and a water outlet is arranged on the bottom of the outer shell; the inside of the inner shell forms an inner cavity, a second air inlet is arranged on the sidewall of the inner shell, and an air outlet is arranged on the top of the inner shell; the inner shell is arranged in the outer cavity of the outer shell, and an airflow channel is formed between the outer wall of the inner shell and the inner wall of the outer shell; the material to be separated enters the outer cavity from the first air inlet, travels a certain distance along the airflow channel, and is subjected to the first cyclone separation, and then enters the inner cavity from the second air inlet and is subjected to the second cyclone separation. The internal fluid circuit is planned through the structural design, the rotation movement path is well controlled, the centrifugal force is improved, and the separation efficiency is improved.

Description

Technical Field

[0001] This invention relates to the field of gas purification, specifically to a cyclone separator, a cyclone separation device, and a gas processing system. Background Technology

[0002] A cyclone separator is a device used for separating gas-solid, gas-liquid, or liquid-solid systems. When fluid is introduced tangentially, it rotates within the cyclone separator, achieving separation due to centrifugal force.

[0003] However, most existing cyclone separators are single-layer cyclone separators. While simple in structure and easy to manufacture, single-layer cyclone separators have poor separation efficiency. Multi-layer cyclone separators, on the other hand, have higher separation efficiency due to the different centrifugal radii of the fluids. When the centrifugal radius of the fluid is suddenly reduced, the centrifugal force increases. However, the chaotic flow path of the fluid in current multi-layer cyclone separators disrupts the smooth flow, affecting the fluid's ability to maintain proper rotational motion and speed. Therefore, the separation efficiency still needs improvement. Summary of the Invention

[0004] In view of the shortcomings of the prior art described above, the present invention provides a cyclone separator, a cyclone separation device, and a gas processing system to solve the following problems:

[0005] (1) How to plan the internal fluid path through the structural design of the cyclone separator, control the rotational motion path well, and improve centrifugal force and separation efficiency;

[0006] (2) How to ensure improved separation efficiency while simplifying the structural design of the cyclone separator, making it easy to manufacture with small tooling and control precision;

[0007] (3) How to optimize the air intake pipe so that the fluid enters the cyclone separator tangentially and improves the separation efficiency;

[0008] (4) How to optimize the arrangement of multiple cyclone separators to improve separation efficiency and reduce space occupancy.

[0009] To achieve the above and other related objectives, the present invention provides the following examples:

[0010] In a first aspect, the present invention provides a cyclone separator, characterized in that the cyclone separator comprises an outer shell and an inner shell. The outer shell has an outer cavity formed inside and a first air inlet on its side wall and a water outlet at its bottom. The inner shell has an inner cavity formed inside and a second air inlet on its side wall and an air outlet at its top. The inner shell is disposed within the outer cavity of the outer shell, and an airflow channel is formed between the outer wall of the inner shell and the inner wall of the outer shell. The substance to be separated enters the outer cavity through the first air inlet and travels a certain distance along the airflow channel for a first cyclone separation, then enters the inner cavity through the second air inlet for a second cyclone separation. By designing the structure of the cyclone separator to plan the internal fluid path and control the rotational motion path effectively, centrifugal force and separation efficiency are improved.

[0011] In one embodiment, the distance the substance to be separated travels within the airflow channel is greater than or equal to one-third of the outer circumference of the inner shell. By designing the cyclone separator's structure to plan the internal fluid path and control the rotational motion path effectively, centrifugal force and separation efficiency are improved.

[0012] In one embodiment, the distance the substance to be separated travels within the airflow channel is greater than or equal to half the outer circumference of the inner shell. By designing the cyclone separator's structure to plan the internal fluid path and control the rotational motion path effectively, centrifugal force and separation efficiency are improved.

[0013] In one embodiment, the distance the substance to be separated travels within the airflow channel is greater than or equal to two-thirds of the outer circumference of the inner shell. By designing the cyclone separator's structure to plan the internal fluid path and control the rotational motion path effectively, centrifugal force and separation efficiency are improved.

[0014] In one embodiment, the distance the substance to be separated travels within the airflow channel is greater than or equal to three-quarters of the outer circumference of the inner shell. By designing the cyclone separator's structure to plan the internal fluid path and control the rotational motion path effectively, centrifugal force and separation efficiency are improved.

[0015] In one embodiment, the distance the substance to be separated travels within the airflow channel is greater than or equal to four-fifths of the outer circumference of the inner shell. By designing the cyclone separator's structure to plan the internal fluid path and control the rotational motion path effectively, centrifugal force and separation efficiency are improved.

[0016] In one embodiment, the inner shell and the outer shell have circular cross-sections, and an annular airflow channel is formed between the outer wall of the inner shell and the inner wall of the outer shell. This maintains good rotational motion and speed of the substances to be separated, improving the separation efficiency of the cyclone separator.

[0017] In one embodiment, the cross-section of the inner housing and / or the outer housing is elliptical or polygonal.

[0018] In one embodiment, the cyclone separator further includes a guide plate disposed between the inner wall of the outer shell and the outer wall of the inner shell, with the first air inlet and the second air inlet located on opposite sides of the guide plate. The guide plate rationally plans the fluid rotation path of the substances to be separated within the outer and inner cavities of the rotary separator.

[0019] In one embodiment, one end of the guide plate along the width direction is connected to the outer wall of the inner housing, and preferably integrally formed with the inner housing; or the other end of the guide plate along the width direction is connected to the inner wall of the outer housing, and preferably integrally formed with the outer housing. This structure is easy to machine, allowing the guide plate to be fixed between the outer wall of the inner housing and the inner wall of the outer housing.

[0020] In one embodiment, the guide plate is connected at both ends along the width direction to the inner wall of the outer shell and the outer wall of the inner shell, respectively.

[0021] In one embodiment, the guide plate is fixedly connected to the inner wall of the outer shell and the outer wall of the inner shell at both ends along the width direction, respectively.

[0022] In one embodiment, the guide plate is sealed to the inner wall of the outer casing and the outer wall of the inner casing at both ends along its width direction, respectively. This structure completely prevents the material to be separated from entering the inner cavity directly from the first air inlet through the second air inlet.

[0023] In one embodiment, the distance between the first sidewall of the guide plate near the first air inlet and the first air inlet is 0-10 mm, and the distance between the second sidewall of the guide plate near the second air inlet and the second air inlet is 0-10 mm. Because the first and second air inlets are separated by the guide plate, this structure results in a longer cyclone separation path for the substances to be separated in the airflow channel, thus improving separation efficiency.

[0024] In one embodiment, the first air inlet and the second air inlet are respectively arranged adjacent to the first sidewall and the second sidewall of the guide plate. Since the first air inlet and the second air inlet are separated by the guide plate, this structure maximizes the cyclone separation path of the substances to be separated in the airflow channel, thereby improving separation efficiency.

[0025] In one embodiment, the guide plate is connected to the inner shell via an arc-shaped portion. The arc-shaped portion is easy to machine, and the material to be separated smoothly enters the inner shell from the outer cavity through the second air inlet, better guiding the material and improving separation efficiency. If the arc-shaped portion design is not used, there may be sharp corners at the connection between the guide plate and the inner shell. These sharp corners could cause some of the material to be separated, which is about to enter the inner shell from the outer cavity through the second air inlet, to bounce back into the outer cavity.

[0026] In one embodiment, the height of the guide plate is equal to the height of the inner housing. This structure helps the guide plate prevent the material to be separated from entering the inner cavity directly from the first air inlet through the second air inlet.

[0027] In one embodiment, the cyclone separator further includes a cover plate disposed above the airflow channel to prevent the material to be separated from flowing out from above the airflow channel.

[0028] In one embodiment, the cover plate has a first opening in the middle. Preferably, the first opening has a shape that matches the air outlet of the inner cavity, so that the air outlet has the largest flow area.

[0029] In one embodiment, the cover plate is sealed to the outer shell and the inner shell. This structure prevents the material to be separated from flowing into the inner cavity and / or out of the cyclone separator from the outer cavity through the openings at the top of the outer shell and / or the inner shell.

[0030] In one embodiment, the outer periphery of the cover plate is located on the side wall of the outer shell, and the inner periphery of the cover plate is located on the side wall of the inner shell or extends beyond the side wall of the inner shell onto the inner cavity of the inner shell.

[0031] In one embodiment, the outer shell includes an upper cylindrical body and a lower conical body, with the dewatering port located at the bottom of the conical body. When the substance to be separated enters the outer cavity through the first air inlet of the outer shell, it rotates and descends within the inner and outer shells, forming an outer swirling fluid. During its descent, the outer swirling fluid encounters the conical body at the lower end of the outer shell, causing its path to reverse and continuously flow towards the center of the cyclone separator, forming a centripetal radial fluid. This creates an upward-rotating inner swirling fluid, improving separation efficiency. Furthermore, the conical structure also facilitates the sliding of substances accumulated on the outer shell along the inner wall of the conical body to the dewatering port, from which they are smoothly discharged from the cyclone separator.

[0032] In one embodiment, the bottom of the cone is provided with a water removal nozzle, which extends downward from the bottom of the cone by a certain distance, and the water removal outlet is disposed inside the water removal nozzle. The water removal nozzle allows for control of the directionality of the material flowing out from the water removal nozzle.

[0033] In one embodiment, the height of the inner shell is greater than the height of the cylinder, the upper end face of the inner shell and the upper end face of the cylinder are arranged on the same plane, and the lower end face of the inner shell is a certain distance from the inner wall of the cone. Preferably, the distance is 1-10 mm, more preferably, the distance is 2-3 mm, so that the material accumulated on the inner wall of the outer shell and the outer wall of the inner shell can flow smoothly into the water outlet, and also so that the rotating and descending external swirling fluid in the outer shell can continuously flow into the central part of the cyclone separator.

[0034] In one embodiment, the cylindrical body and the conical body are integrally formed, making them easy to machine.

[0035] In one embodiment, the inner shell is a cylindrical shell with a fully open upper portion and a fully open lower portion, and the air outlet is the fully open upper portion. This structure maximizes fluid throughput efficiency.

[0036] In one embodiment, the cyclone separator further includes an air inlet pipe, wherein the fluid direction of the substance to be separated adjacent to the first air inlet in the air inlet pipe is perpendicular to the opening direction of the first air inlet, which facilitates the tangential entry of the substance to be separated into the outer cavity.

[0037] In one embodiment, the inner wall of the air intake pipe is tangential to the outer wall of the inner shell, which facilitates the tangential entry of the substance to be separated into the outer cavity.

[0038] In one embodiment, the distance between the outer wall of the inner housing and the inner wall of the outer housing is 1-100 mm. Controlling the distance between the outer wall of the inner housing and the inner wall of the outer housing allows the material to be separated in the airflow channel to maintain tangential flow.

[0039] In one embodiment, the distance between the outer wall of the inner shell and the inner wall of the outer shell is 1-3mm, 3-5mm, 5-7mm, 7-10mm, 10-20mm, 20-30mm, 30-40mm, 40-50mm, or 50-100mm. Controlling the distance between the outer wall of the inner shell and the inner wall of the outer shell allows the material to be separated in the airflow channel to maintain tangential flow.

[0040] In one embodiment, the distance between the outer wall of the inner housing and the inner wall of the outer housing is 3-5 mm. Controlling the distance between the outer wall of the inner housing and the inner wall of the outer housing allows the material to be separated in the airflow channel to maintain tangential flow.

[0041] In one embodiment, the inner shell and the outer shell are arranged coaxially. This coaxial arrangement ensures that the substances to be separated are uniformly dispersed in both the outer and inner cavities, maintaining good rotational motion and speed, thus improving the separation efficiency of the cyclone separator.

[0042] In one embodiment, the lower end face of the inner shell is 1-50 mm lower than the lower end face of the first air inlet, to prevent the substance to be separated from flowing directly into the inner cavity from the air inlet pipe.

[0043] In one embodiment, the lower end face of the inner shell is 1-2mm, 2-3mm, 3-4mm, 4-5mm, 5-10mm, 10-20mm, 20-30mm, 30-40mm, or 40-50mm lower than the lower end face of the first air inlet. This is to prevent the substance to be separated from flowing directly into the inner cavity from the air inlet pipe.

[0044] In one embodiment, the lower end face of the inner shell is 3-4 mm lower than the lower end face of the first air inlet. This is to prevent the substance to be separated from flowing directly into the inner cavity from the air inlet pipe.

[0045] In one embodiment, the second air inlet extends from the top to the bottom of the inner housing, forming open spaces at the top and bottom, such that the sidewalls of the inner housing are disconnected at the second air inlet. This maximizes fluid throughput.

[0046] In one embodiment, the first air inlet extends downward from the top of the housing and forms an open space at the top.

[0047] In one embodiment, the second air inlet is perforated, elongated, or multi-toothed.

[0048] In one embodiment, the cyclone separator further includes a baffle plate disposed between the inner wall of the outer shell and the outer wall of the inner shell and located below or below the lower end face of the first air inlet, so as to prevent the substance to be separated from flowing directly into the inner cavity from the air inlet pipe.

[0049] In one embodiment, the inner cavity includes at least two sub-cavities, and the substances to be separated enter the sub-cavities from the second air inlet for a second cyclone separation. Optimizing the internal structure of the cyclone separator improves separation efficiency.

[0050] In one embodiment, the inner cavity includes a first sub-inner cavity and a second sub-inner cavity, which are located on opposite sides of the second air inlet. Optimizing the internal structure of the cyclone separator improves separation efficiency.

[0051] In one embodiment, the longitudinal centerline of the second air inlet is aligned with the longitudinal centerline of the first air inlet. This improves separation efficiency and maximizes the travel distance of the airflow during the first cyclone separation, whether clockwise or counterclockwise.

[0052] In one embodiment, the inner cavity has a multi-layered cavity structure, and the substances to be separated sequentially pass through the multi-layered cavities of the inner cavity for multiple cyclone separations. This structure allows the airflow to rotate more fully within the inner cavity, improving the cyclone separation efficiency.

[0053] A second aspect of the present invention provides a cyclone separator, comprising a main inlet pipe and at least one cyclone separator as described in any of the preceding embodiments, wherein the main inlet pipe is in fluid communication with the inlet pipe of at least one of the cyclone separators. This structure improves separation efficiency and reduces space occupancy.

[0054] In one embodiment, the cyclone separator includes a plurality of cyclone separators arranged in at least two layers and staggered to prevent material discharged from the dewatering port of the upper cyclone separator from flowing into the air outlet of the lower cyclone separator.

[0055] A third aspect of the present invention provides a gas processing system, characterized in that the gas processing system includes an electric field device and a cyclone separator as described in any of the above embodiments, the electric field device being located downstream of the cyclone separator, and the gas undergoing material separation in the cyclone separator before entering the electric field device for particle removal processing.

[0056] The present invention has the following beneficial effects:

[0057] (1) By planning the internal fluid path of the cyclone separator, a good rotational motion path can be controlled to improve centrifugal force and separation efficiency;

[0058] (2) The structural design is simple, enabling small tooling, easy processing and manufacturing, and convenient control of precision;

[0059] (3) This allows the fluid to enter the cyclone separator tangentially, improving the separation efficiency;

[0060] (4) Optimize the arrangement of multiple cyclone separators to improve separation efficiency and reduce space occupancy. Attached Figure Description

[0061] Figure 1 This is an exploded perspective view of a cyclone separator according to an embodiment of the present invention;

[0062] Figure 2 yes Figure 1 A three-dimensional schematic diagram of the outer casing of a cyclone separator;

[0063] Figure 3 yes Figure 1 A three-dimensional schematic diagram of the inner shell and guide plate of the cyclone separator;

[0064] Figure 4 yes Figure 1 A three-dimensional schematic diagram of the air intake pipe of a cyclone separator;

[0065] Figure 5 yes Figure 1 A three-dimensional schematic diagram of a cyclone separator, in which the cover plate has been removed;

[0066] Figure 6 yes Figure 1 A top view of a cyclone separator, with the cover plate removed;

[0067] Figure 7 yes Figure 1 A three-dimensional schematic diagram of a cyclone separator;

[0068] Figure 8 This is a top view of a cyclone separator according to another embodiment of the present invention, wherein the cover plate and the air inlet pipe have been removed. Detailed Implementation

[0069] The following specific embodiments illustrate the implementation of the present invention. Those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification.

[0070] It should be understood that the structures, proportions, sizes, etc., illustrated in the accompanying drawings of this specification are merely for illustrative purposes to aid those skilled in the art in understanding and reading the content disclosed herein, and are not intended to limit the conditions under which the invention can be implemented. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in proportions, or adjustments to the size, without affecting the effects and objectives achieved by the invention, should still fall within the scope of the technical content disclosed herein. Furthermore, the terms such as "upper," "lower," "left," "right," "middle," and "one" used in this specification are merely for clarity of description and are not intended to limit the scope of the invention. Changes or adjustments to their relative relationships, without substantially altering the technical content, should also be considered within the scope of the invention's implementation. The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0071] Throughout this specification, references to "an embodiment" or "an embodiment" indicate that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment. Therefore, the appearance of "in an embodiment" or "an embodiment" in various places throughout the specification does not necessarily refer to the same embodiment. Furthermore, a particular feature, structure, or characteristic may be combined in any manner in one or more embodiments.

[0072] According to one aspect of the present invention, a cyclone separator is provided, comprising an outer shell and an inner shell. The outer shell has an outer cavity formed inside and a first air inlet on its side wall and a water outlet at its bottom. The inner shell has an inner cavity formed inside and a second air inlet on its side wall and an air outlet at its top. The inner shell is disposed within the outer cavity of the outer shell and forms an airflow channel between its outer wall and the inner wall of the outer shell. The substance to be separated enters the outer cavity through the first air inlet and travels a certain distance along the airflow channel for a first cyclone separation, and then enters the inner cavity through the second air inlet for a second cyclone separation. The certain distance may be, for example, greater than or equal to one-third, one-half, two-thirds, three-quarters, and / or four-fifths of the outer circumference of the inner shell.

[0073] It should be noted that the substance to be separated, after entering the outer cavity through the first air inlet, cannot directly enter the inner cavity. Instead, it needs to travel a certain distance within the airflow channel formed between the outer wall of the inner shell and the inner wall of the outer shell for the first cyclone separation, and then enter the inner cavity through the second air inlet for a second cyclone separation. In other words, the first and second air inlets cannot be directly fluidly connected; they need to be connected through the airflow channel formed between the outer wall of the inner shell and the inner wall of the outer shell. Specifically, any known means in the art can be used to achieve this, for example, the scheme of setting a guide plate within the airflow channel, which will be described in detail below.

[0074] It is also important to note that the process of the substance to be separated entering the outer cavity through the first air inlet and traveling a certain distance along the airflow channel for the first cyclone separation refers to the substance undergoing full rotation within the airflow channel of the outer cavity for cyclone separation. Since the first air inlet has a certain width, the path of the substance flowing through the airflow channel of the outer cavity will be inconsistent depending on the position of the first air inlet after entering. Alternatively, the different positional relationships between the first and second air inlets will also result in inconsistent paths. This "certain distance" can be, for example, greater than or equal to one-third, one-half, two-thirds, three-quarters, and / or four-fifths of the outer circumference of the inner shell. After undergoing cyclone separation in the outer cavity, the substance then enters the inner cavity for further cyclone separation, reducing the rotation radius, increasing centrifugal force, and improving separation efficiency. By rationally planning the rotation path of the substances to be separated in the outer and inner cavities of the cyclone separator, the separation efficiency of the cyclone separator is improved.

[0075] It is important to note again that the fluid direction for the first cyclone separation, where the substance to be separated enters the outer cavity through the first air inlet and travels a certain distance along the airflow channel, can be clockwise and / or counterclockwise. The fluid direction for the second cyclone separation, where the substance enters the inner cavity through the second air inlet, can also be clockwise and / or counterclockwise. Preferably, the fluid directions for the first and second cyclone separations are the same, i.e., both are clockwise or counterclockwise.

[0076] The cyclone separator of this invention can be used for the separation of gas and solid phases in gas-solid systems, gas and liquid phases in gas-liquid systems, or liquid and solid phases in liquid-solid systems. It can also be used for the separation of water vapor in the gas phase. The substances to be separated can be any combination of gas, liquid, and / or solid. For example, when a gas containing water vapor and / or liquid water enters the outer and inner chambers, the centrifugal forces generated by the rotation of the water vapor and / or liquid water and the gas are different, thus separating the water vapor and / or liquid water from the gas. During centrifugal rotation, the water vapor and / or liquid water collide with the outer or inner shell and accumulate into water droplets on the outer or inner shell. After accumulating to a certain extent, the droplets flow out from the water outlet.

[0077] Figure 1 This is an exploded perspective view of a cyclone separator according to a first embodiment of the present invention. The cyclone separator includes an outer shell 100 and an inner shell 200. The outer shell 100 forms an outer cavity 10 and has a first air inlet 101 on its side wall and a water outlet (not shown) at its bottom. The inner shell 200 forms an inner cavity 20 and has a second air inlet 201 on its side wall and an air outlet 202 at its top. The inner shell 200 is disposed within the outer cavity 10 of the outer shell 100, and an airflow channel (not shown) is formed between the outer wall of the inner shell 200 and the inner wall of the outer shell 100. The airflow to be separated enters the outer cavity 10 through the first air inlet 101 and travels a certain distance along the airflow channel for the first cyclone separation, and then enters the inner cavity 20 through the second air inlet 201 for the second cyclone separation.

[0078] Reference Figure 1The lower ends of the outer shell 100 and the inner shell 200 are not connected (do not contact) to ensure fluid communication between the lower end of the outer cavity 10 and the lower end of the inner cavity 20. However, those skilled in the art will understand that in other embodiments, the lower ends of the outer shell 100 and the inner shell 200 may also be partially connected, forming an airflow channel between the lower ends of the outer cavity 10 and the inner cavity 20, thereby achieving fluid communication between the lower ends of the outer cavity 10 and the inner cavity 20. Fluid communication between the lower ends of the outer cavity 10 and the inner cavity 20 ensures that water droplets accumulating on the inner wall of the outer shell 100 and the outer wall of the inner shell 200 flow smoothly into the water outlet. It also allows the rotating and descending external swirling airflow in the outer cavity 10 to continuously flow into the central part of the cyclone separator, forming a centripetal radial airflow, thereby creating an upward rotating internal swirling airflow.

[0079] Reference Figure 1 A guide plate 300 can be provided between the inner wall of the outer shell 100 and the outer wall of the inner shell 200. The guide plate 300 rationally plans the rotation path of the airflow in the outer cavity 10 and the inner cavity 20 of the cyclone separator, so that the airflow is fully rotated and separated in the airflow channel of the outer cavity 10 before entering the inner cavity 20 for cyclone separation. In this embodiment, the guide plate 300 is connected to the edge of the second air inlet 201 of the inner shell 200. In other embodiments, the guide plate 300 can also be integrated with the inner shell 200, so that a part of the inner shell has the function of a guide plate. By changing the shape of the inner shell or changing the connection method between the inner shell and the outer shell, the rotation path of the airflow in the outer cavity and the inner cavity of the cyclone separator can be rationally planned.

[0080] Reference Figure 1 The inner shell 200 has a single-layer cavity structure inside. However, in other embodiments, the inner shell 200 may also have a multi-layer cavity structure inside. The airflow passes through the multi-layer cavity of the inner shell in sequence for multiple cyclone separations, thereby improving the cyclone separation efficiency.

[0081] Reference Figure 1 The cyclone separator may further include a cover plate 400, which is disposed above the airflow channel of the outer cavity 10 to block airflow from flowing out from the top of the airflow channel. The cover plate 400 has a first opening 401 in its center, which preferably has a matching shape with the top opening of the inner cavity 20. Specifically, the cover plate 400 preferably has a circular first opening 401, and the diameter of the circular first opening 401 is less than or equal to the diameter of the top opening of the inner cavity 200, so that the cover plate 400 can completely seal the top of the airflow channel, thereby preventing airflow from flowing directly out from the top of the airflow channel. In an optional embodiment, the cyclone separator may further include an air inlet pipe 500, which is in fluid communication with the outer cavity 10 to ensure that airflow enters the outer cavity 10 from the air inlet pipe 500.

[0082] In this embodiment, the outer shell 100, inner shell 200, guide plate 300, cover plate 400 and air inlet pipe 500 of the cyclone separator are each formed and finally assembled together. However, in other embodiments, the cyclone separator can also be made by integral molding technology or some parts can be integrally molded and then assembled together. The integral molding technology can be selected from compression molding or 3D printing, etc.

[0083] Figure 2 This is a three-dimensional schematic diagram of the outer casing 100 of the cyclone separator. The outer casing 100 adopts a cylindrical structure with a circular cross-section. However, it should be understood that in other embodiments, the cross-section of the outer casing can also be elliptical or polygonal, where the polygon can be triangular, quadrilateral, pentagonal, or hexagonal, etc. The outer casing 100 includes a cylindrical body 103 and a conical body 104. The conical body 104 is located at the lower end of the cylindrical body 103. The height ratio of the cylindrical body 103 to the height of the conical body 104 is preferably 1:1. However, in other embodiments, the height ratio of the cylindrical body 103 to the height of the conical body 104 can be 2:1, 3:1, 1:2, or 1:3, etc. The top of the cone 104 is connected to the bottom of the cylinder 103. A water removal port (not shown in the figure) is provided at the bottom of the cone 104. The water removal port is preferably located at the very bottom of the cone 103, i.e., at the apex of the cone 103. However, it should be understood that in other embodiments, the water removal port may also be located on the side wall of the bottom of the cone 103. When the airflow enters the outer cavity from the first air inlet 101 of the outer shell 100, the airflow rotates and descends within the inner shell and outer shell 100, forming an external swirling airflow. During its descent, this external swirling airflow encounters the cone 104 at the lower end of the outer shell 100, and its path reverses, continuously flowing into the center of the cyclone separator, forming a centripetal radial airflow. This creates an upward-rotating internal swirling airflow, improving the separation efficiency of gas with water vapor and / or liquid water. Furthermore, the structural design of the cone 104 also facilitates the sliding of water droplets accumulated on the outer shell 100 along the inner wall of the cone 104 to the water removal port, and their smooth discharge from the cyclone separator. However, those skilled in the art should understand that in other embodiments, the outer shell may not include a conical body, that is, the bottom of the cylinder is provided with a water outlet, which may be located at the center of the bottom surface of the cylinder, or at a non-central position of the bottom surface, or on the side wall of the lower part of the cylinder.

[0084] Reference Figure 2The side wall of the cylinder 103 is provided with a first air inlet 101, which extends from the top to the bottom of the cylinder 103. Preferably, the height of the first air inlet 101 is less than the height of the cylinder 103, meaning the top of the first air inlet 101 is open and the bottom is closed, forming a U-shaped structure. However, in other embodiments, the height of the first air inlet 101 on the side wall of the cylinder 103 can be equal to or greater than the height of the cylinder 103. That is, the first opening 101 extends from the top of the cylinder 103 to the bottom and can further extend to the side wall of the conical body 104.

[0085] The outer shell 100 can be manufactured using a one-piece molding technology, such as compression molding or 3D printing. Figure 1 In the illustrated embodiment, the cyclone separator may further include a water removal nozzle 102, which extends downwards from the bottom of the conical body 104 by a certain distance. The water removal outlet is disposed within the water removal nozzle 102, and the water removal nozzle 102 controls the directionality of the water flow. In this embodiment, the water removal nozzle 102, the conical body 104, and the cylindrical body 103 can be integrally formed or separately formed and then assembled together.

[0086] Figure 3 This is a three-dimensional schematic diagram of the inner shell 200 and guide plate 300 in a cyclone separator. The inner shell 200 adopts a cylindrical structure with a circular cross-section. In other embodiments, the cross-section of the inner shell 200 can be elliptical or polygonal, where the polygon can be triangular, quadrilateral, pentagonal, or hexagonal, etc. The top of the inner shell 200 is open, which can be fully open or partially open to form an air outlet 202. The bottom is a fully open structure, which can ensure that water droplets in the inner cavity can flow out smoothly from the water outlet, and can also allow the rotating and descending external swirling airflow in the outer cavity to continuously flow from the bottom of the inner cavity towards the center, forming a centripetal radial airflow, thereby forming a rotating and upward internal swirling airflow that is discharged from the air outlet 202. Those skilled in the art should understand that, in other embodiments, the bottom end of the inner shell 200 may also be a partially open structure, or the lower end of the inner shell 200 may also be a conical structure. An opening is provided at the center of the bottom of the conical structure, which can ensure that the water droplets in the inner cavity flow out smoothly from the water outlet, and can also allow the rotating and descending external airflow in the outer cavity to continuously flow into the center of the inner cavity from the opening at the center of the bottom of the conical structure, forming a centripetal radial airflow, thereby forming a rotating and upward internal airflow that is discharged from the air outlet 202.

[0087] Reference Figure 3The inner housing 200 has a second air inlet 201 on its side wall. The second air inlet 201 extends along the height direction of the inner housing 200 and forms an elongated shape. Preferably, the second air inlet 201 penetrates the side wall of the inner housing 200 along the height direction, that is, the height of the second air inlet 201 is equal to the height of the inner housing 200, and the side wall of the inner housing 200 is interrupted by the second air inlet 201. However, in other embodiments, the second air inlet can also be perforated or multi-toothed. When the second air inlet is perforated, it can be circular, triangular, quadrilateral, or pentagonal, etc. In other embodiments, when the second air inlet is elongated or multi-toothed, the relationship between the height h of the second air inlet and the height H of the inner housing is h ≤ H. However, preferably, the relationship between the height h of the second air inlet and the height H of the inner housing is h = H, at which point the air intake efficiency is the highest. Furthermore, it should be noted that in other embodiments, the number of second air inlets can be two or more. For example, when the second air inlet is orifice-shaped, multiple second air inlets can be arranged in a longitudinally distributed manner; or when the second air inlet is elongated, multiple second air inlets can be arranged in a transversely distributed manner. However, those skilled in the art should understand that the number and arrangement of the second air inlets are not limited to the methods listed above.

[0088] Reference Figure 3 The inner housing 200 has sidewalls formed on both sides of the second air inlet 201. A guide plate 300 is connected to one sidewall of the second air inlet 201. That is, the second air inlet 201 is located on one side of the guide plate 300, while the first air inlet of the outer housing is located on the other side. Airflow entering from the first air inlet is blocked and guided by the guide plate 300, and cannot directly enter the inner cavity 20 through the second air inlet 201. Instead, it flows along the airflow channel of the outer cavity and then enters the inner cavity 20 through the second air inlet 201. Preferably, the guide plate 300 is connected to the inner housing 200 via an arc portion 301. The radius of the arc portion 301 depends on the thickness of the inner housing 200, the thickness of the guide plate 300, the angle between the guide plate 300 and the inner housing 200, or is determined according to the actual processing conditions. Preferably, the guide plate 300 and the inner housing 200 have approximately the same thickness. The advantage of connecting them via the arc portion 301 is that: firstly, it is easier to machine; secondly, the airflow can smoothly enter the inner cavity from the outer cavity through the second air inlet 201, better guiding the airflow and improving separation efficiency. If the arc portion 301 is not provided, there may be sharp corners at the connection between the guide plate 300 and the inner housing 200, which would cause some of the gas intended to enter the inner cavity from the outer cavity through the second air inlet 201 to bounce back into the outer cavity. In other embodiments, the guide plate 300 and the inner housing 200 can also be connected using other smooth transition methods.

[0089] The shape and size of the guide plate 300 depend on the shape and distance between the outer wall of the inner housing 200 and the inner wall of the outer housing 100. In this embodiment, the guide plate 300 is disposed between the outer wall of the inner housing 200 and the inner wall of the outer housing 100 and extends downward into the interior of the cone 104 of the outer housing 100. A notch 302 is formed at the lower end of the guide plate 300, which matches the cone 104 of the outer housing 100 for easy installation. However, in other embodiments, the shape of the guide plate can also be quadrilateral, pentagonal, hexagonal, or any shape. For example, if the guide plate does not extend to the cone of the outer housing or the outer housing does not have a cone, the shape of the guide plate can be quadrilateral. It should be noted that the shape and size of the guide plate are not limited to the methods listed above.

[0090] Figure 4 This is a three-dimensional schematic diagram of the air inlet pipe 500 in the cyclone separator, as shown below. Figure 4 As shown, the longitudinal section of the intake duct 500 is T-shaped, meaning the intake duct 500 includes an upper channel 503 and a lower channel 504. The upper channel 503 has a rectangular cross-section, and the lower channel 504 also has a rectangular cross-section. The width of the upper channel 503 is greater than the width of the lower channel 504, thus forming an overall T-shaped cross-section. However, it should be noted that in other embodiments, the cross-section of the intake duct 500 can also adopt other shapes, such as circular, elliptical, or polygonal. A second opening 501 is provided on the side wall of the upper channel 503 of the intake duct 500. The second opening 501 of the intake duct 500 corresponds to and matches the first air inlet of the outer casing. That is, the first air inlet of the outer casing and the second opening 501 of the intake duct 500 have matching sizes and shapes, so that the two side walls of the first air inlet of the outer casing are connected to the two side walls of the second opening 501 of the venting duct 500. Airflow enters the outer cavity from the intake duct 500 through the second opening 501 and the first air inlet. It should be noted that when the outer casing is connected to the ventilation duct 500, the second opening 501 and the first air inlet overlap to a certain extent.

[0091] Figure 5 This is a 3D schematic diagram of a cyclone separator, in which the cover plate has been removed. Figure 5The diagram illustrates the positional relationship between the guide plate 300, the first air inlet 101, the second opening 501, and the second air inlet 201. In this embodiment, the first air inlet 101 is larger than the second opening 501, and the actual air intake portion of the first air inlet 101 is the area enclosed by the inner wall of the second opening 501. In other embodiments, the outer casing and the air intake pipe can be integrally formed, in which case the second opening and the first air inlet are no longer distinguished and are collectively referred to as the first air inlet. Therefore, the actual air intake portion of the present invention can be the first air inlet on the outer casing or the second opening 501 on the air duct 500. For example, when the second opening 501 is larger than the first air inlet 101, the actual air intake portion of the first air inlet 101 is the area enclosed by the first air inlet 101.

[0092] Reference Figure 5The sidewall of the guide plate 300 located on the side of the first air inlet 101 is defined as the first sidewall, and the sidewall of the guide plate 300 located on the side of the second air inlet 201 is defined as the second sidewall. The guide plate 300 separates the first air inlet 101 and the second air inlet 201. That is, the airflow entering through the first air inlet 101 cannot flow directly to the second air inlet 201 due to the obstruction of the guide plate 300. Instead, it needs to flow a certain distance along the annular airflow channel formed between the outer wall of the inner shell 200 and the inner wall of the outer shell 100 before flowing to the second air inlet 201. Preferably, the first air inlet 101 and the second air inlet 201 are arranged adjacent to each other, that is, the first air inlet 101 is arranged close to the first sidewall of the guide plate 300, and the second air inlet 201 is arranged close to the second sidewall of the guide plate 300. At this time, the distance between the first air inlet 101 and the second air inlet 201 is the closest. However, since the first air inlet 101 and the second air inlet 201 are separated by the guide plate 300, the guide plate 300 can prevent the airflow from entering the airflow channel of the outer cavity 10 through the first air inlet 101 and then directly entering the inner cavity 20 through the second air inlet 201. According to the flow direction of the airflow in the outer cavity 10, the second air inlet 201 is located downstream of the airflow cyclone separation in the airflow channel of the outer cavity 10, making the cyclone separation path of the airflow in the airflow channel of the outer cavity 10 the longest. The airflow flows through the outer cavity 10 for about one revolution, and after being fully rotated and cyclone separated in the outer cavity 10, it enters the inner cavity 20 for cyclone separation. In the inner cavity 20, the rotation radius is reduced, the centrifugal force is increased, and the separation efficiency is improved. This invention improves the separation efficiency of the cyclone separator by rationally planning the rotation path of the airflow in the outer cavity 10 and the inner cavity 20 of the cyclone separator. However, it should be noted that in other embodiments, the first sidewall of the guide plate 300 and the first air inlet 101 may be separated by a certain distance, preferably between 0-10 mm. The second sidewall of the guide plate 300 and the second air inlet 201 may also be separated by a certain distance, preferably between 0-10 mm. Perhaps by reasonably setting the distance between the first air inlet 101 and the second air inlet 201, the airflow can pass through the outer cavity 10 and travel along the airflow channel a distance greater than or equal to one-third, one-half, two-thirds, three-quarters, and / or four-fifths of the outer perimeter of the inner shell.

[0093] refer to Figure 5In this embodiment, the guide plate 300 is adjacent to the right side of the first air inlet 101, and the second air inlet 201 is adjacent to the right side of the guide plate 300. After the airflow enters the airflow channel of the outer cavity 10 from the first air inlet 101, it travels counterclockwise along the airflow channel for a certain distance due to the obstruction of the guide plate 300, undergoing the first cyclone separation, and then enters the inner cavity through the second air inlet 201, rotating counterclockwise for the second cyclone separation. However, in other embodiments, the guide plate 300 may also be adjacent to the left side of the first air inlet 101, and the second air inlet 201 may also be adjacent to the left side of the guide plate 300. After the airflow enters the airflow channel of the outer cavity 10 from the first air inlet 101, it travels clockwise along the airflow channel for a certain distance due to the obstruction of the guide plate 300, undergoing the first cyclone separation, and then enters the inner cavity through the second air inlet 201, rotating clockwise for the second cyclone separation.

[0094] It should also be noted that although the guide plate 300 can plan the airflow path in the cyclone separator, a small amount of airflow will still enter the outer cavity 10 from the first air inlet 101 and then directly enter the inner cavity 20 from the bottom opening of the inner shell 200. Therefore, this can be optimized by designing the lower end face of the inner shell 200 to be a certain distance lower than the lower end face of the first air inlet 101 and / or by setting a baffle (not shown in the figure) between the inner wall of the outer shell 100 and the outer wall of the inner shell 200, with the baffle located at or below the lower end face of the first air inlet 101, so as to prevent the airflow from directly entering the inner cavity 20 from the air inlet pipe 500 through the first air inlet 101 and the bottom opening of the inner shell 200.

[0095] In this embodiment, the lower end face of the inner shell 200 is lower than the lower end face of the first air inlet 101 by a certain distance, preferably 3mm, to prevent airflow from entering directly into the inner cavity 20 through the bottom opening of the inner shell 200 after entering through the first air inlet 101, thereby improving separation efficiency. In other embodiments, the lower end face of the inner shell may be lower than the lower end face of the first air inlet by 1-2mm, 2-3mm, 3-4mm, 4-5mm, 5-10mm, 10-20mm, 20-30mm, 30-40mm, or 40-50mm, etc.

[0096] like Figure 1As shown, in a preferred embodiment, one end of the guide plate 300 along the width direction is connected to the inner housing 200 via an arc portion, and the other end of the guide plate 300 along the width direction is connected to the outer housing 100. Preferably, the other end of the guide plate 300 along the width direction is sealed to the outer housing 100. However, due to limitations in actual processing conditions, there may be gaps at the connection between the guide plate 300 and the outer housing 100. When both ends of the guide plate 300 along the width direction are seamlessly connected to the inner housing 200 and the outer housing 100 respectively, the guide plate 300 completely blocks the airflow from directly entering the inner cavity 20 from the first air inlet 101 through the second air inlet 201. Of course, in actual processing, if there are gaps at the connection between the guide plate 300 and the outer housing 100 due to processing reasons, the amount of airflow entering the outer cavity 10 from the first air inlet 101 and then directly entering the inner cavity 20 from the second air inlet 201 is also extremely small and can be ignored.

[0097] Figure 6 This is a top view of a cyclone separator according to an embodiment of the present invention, wherein the cover plate has been removed. Figure 6 As shown, the upper channel 503 of the intake duct has a certain wall thickness and an inner wall 502. The inner wall 502 of the intake duct is tangent to the outer wall of the inner shell 200, so that the intake airflow enters the airflow channel of the outer cavity 10 of the cyclone separator tangentially. The tangential velocity of the airflow in the separation space is large, improving the separation efficiency. Specifically, the inner wall 502 of the intake duct tangent to the outer wall of the inner shell 200 is the inner wall 502 of the intake duct near the first intake port. For example, it can be the entire inner wall 502 of the intake duct near the first intake port or a portion of the inner wall 502 of the intake duct near the first intake port. However, it should be noted that... Figure 6 The solution shown is merely a preferred method. The inner wall of the air intake pipe and the outer wall of the inner shell can also be non-tangent, and the purpose of this invention can still be achieved.

[0098] Furthermore, it should be noted that the distance between the outer wall of the inner shell 200 and the inner wall of the outer shell 100 is preferably set to 3-5 mm, that is, the width of the airflow channel formed between the outer wall of the inner shell 200 and the inner wall of the outer shell 100 is 3-5 mm, so that the airflow in the outer cavity flows tangentially along the outer wall of the inner shell 200 or the inner wall of the outer shell 100. In other embodiments, the distance between the outer wall of the inner shell 200 and the inner wall of the outer shell 100 can be set to 1-3 mm, 3-5 mm, 5-7 mm, 7-10 mm, 10-20 mm, 20-30 mm, 30-40 mm, 40-50 mm, or 50-100 mm, etc.

[0099] In another embodiment, the inner housing 200 and the outer housing 100 are preferably coaxially arranged. Of course, in other embodiments, the inner housing 200 and the outer housing 100 may also be coaxially arranged. However, the coaxial arrangement allows the airflow to be evenly distributed in the outer cavity 10 and the inner cavity 20, maintaining good rotational motion and speed of the airflow, thus improving the separation efficiency of the cyclone separator.

[0100] Figure 7 This is a three-dimensional schematic diagram of a cyclone separator, in which the cover plate 400 is located at the top of the airflow channel in the outer cavity, as shown below. Figure 7 As shown, the cover plate prevents airflow from flowing directly out of the top of the airflow channel. Instead, the airflow rotates and undergoes cyclone separation within the airflow channel before entering the inner cavity. After further cyclone separation within the inner cavity, the airflow exits from the outlet 202 at the top of the inner cavity. Preferably, the cover plate 400 is sealed to both the outer and inner shells, preventing airflow from flowing into the inner cavity from the top opening of the outer cavity. Instead, airflow enters the inner cavity from the outer cavity through the second air inlet. Of course, those skilled in the art will understand that in other embodiments, the cover plate may be non-sealed with the outer or inner shell, allowing a small amount of gas to enter the inner cavity through gaps. This small amount of gas has negligible impact. In other embodiments, the cover plate at the top of the outer cavity may extend to the top of the inner cavity, but it should not completely seal the top of the inner cavity, ensuring that an outlet remains at the top.

[0101] The following reference Figure 8 Another embodiment of the cyclone separator of the present invention is described herein, but only for the purposes of this invention. Figure 8 The differences between the cyclone separator shown and the cyclone separator in the previous embodiment will be described, while the similarities will not be detailed hereafter. Please refer to the relevant sections above.

[0102] Figure 8 This is a top view of a cyclone separator according to another embodiment of the present invention, wherein the cover plate and air inlet pipe have been removed. Figure 8 As shown, the cyclone separator includes an outer shell 8100 and an inner shell 8200. The outer shell 8100 forms an outer cavity 810 inside and has a first air inlet 8101 on its side wall and a water outlet (not shown in the figure) at its bottom. The inner shell 8200 forms an inner cavity 820 inside and has a second air inlet 8201 on its side wall and an air outlet (not shown in the figure) at its top. The inner shell 8200 is disposed inside the outer cavity 810 of the outer shell 8100, and an airflow channel is formed between the outer wall of the inner shell 8200 and the inner wall of the outer shell 8100. The material to be separated enters the outer cavity 810 through the first air inlet 8101 and travels a certain distance along the airflow channel for the first cyclone separation. Then, it enters the inner cavity 820 through the second air inlet 8201 for the second cyclone separation.

[0103] refer to Figure 8 The inner cavity 820 of the cyclone separator includes two sub-cavities, namely a first sub-cavity 821 and a second sub-cavity 822. The first sub-cavity 821 and the second sub-cavity 822 are located on both sides of the second air inlet 8201. Those skilled in the art will understand that in other embodiments, the number of sub-cavities in the inner cavity of the cyclone separator may be three, four or more. Preferably, the opening direction of the second air inlet 8201 is opposite to that of the first air inlet 8101, and preferably has the same extending direction. The line connecting the second air inlet 8201 and the first air inlet 8101 passes through the center of the inner cavity. That is, the longitudinal centerline of the second air inlet 8201 is directly opposite to the longitudinal centerline of the first air inlet 8101. After the airflow enters the outer cavity 810 from the first air inlet 8101, it travels clockwise or counterclockwise along the airflow channel for about half of the outer periphery of the inner shell 820 for the first cyclone separation. Then, it enters the first sub-inner cavity 821 or the second sub-inner cavity 822 of the inner cavity 820 through the second air inlet 8201 for the second cyclone separation. In this embodiment, the airflow travels counterclockwise in the first sub-inner cavity 821. The second cyclone separation occurs in the second sub-cavity 822, rotating clockwise. However, in other embodiments, the longitudinal centerline of the second air inlet 8201 may also be located to the left or right of the longitudinal centerline of the first air inlet 8101. Preferably, the opening direction of the second air inlet 8201 is opposite to that of the first air inlet 8101, and preferably has the same extending direction. The line connecting the second air inlet 8201 and the first air inlet 8101 passes through the center of the cavity. That is, the longitudinal centerline of the second air inlet 8201 is directly opposite to the longitudinal centerline of the first air inlet 8101, so that the airflow travels the maximum distance for the first cyclone separation, rotating clockwise or counterclockwise, after entering the airflow channel of the outer cavity 810 from the first air inlet 8101.

[0104] refer to Figure 8The first sub-cavity 821 and the second sub-cavity 822 of the cyclone separator have a multi-layer cavity structure. That is, the first sub-cavity 821 has a first sub-cavity layer 8211 and a second sub-cavity layer 8212. The second sub-cavity layer 8212 is arranged inside the first sub-cavity layer 8211 and preferably has the same central axis as the first sub-cavity layer 8211. Similarly, the second sub-cavity 822 has a second sub-cavity layer 8221 and a second sub-cavity layer 8222. The second sub-cavity layer 8222 is arranged inside the first sub-cavity layer 8221 and preferably has the same central axis as the first sub-cavity layer 8221. Airflow enters the first sub-cavity 821 or the second sub-cavity 822 of the inner cavity 820 through the second air inlet 8201. Airflow entering the first sub-cavity 821 undergoes multiple cyclone separations through the first layer cavity 8211 and the second layer cavity 8212 of the first sub-cavity. Airflow entering the second sub-cavity 822 undergoes multiple cyclone separations through the first layer cavity 8221 and the second layer cavity 8222 of the second sub-cavity. This structure allows for more complete airflow rotation within the inner cavity, improving cyclone separation efficiency. In other embodiments, the first sub-cavity 821 and the second sub-cavity 822 of the cyclone separator can also be single-layer cavity structures, meaning that the interiors of the first sub-cavity 821 and the second sub-cavity 822 do not contain any new inner cavities.

[0105] The top of the inner housing 8200 is provided with an air outlet (not shown in the figure). The number of air outlets can match the number of sub-cavities. For example, the first sub-cavity 821 and the second sub-cavity 822 are respectively provided with a first air outlet and a second air outlet. In other embodiments, multiple sub-cavities may also share a single air outlet.

[0106] The inner housing 8200 and the outer housing 8100 can be connected, for example, by a cover plate (not shown in the figure). The cover plate has an opening at the position corresponding to the first air outlet and the second air outlet of the first sub-cavity 821 and the second sub-cavity 822, and the inner periphery of the cover plate is formed around the opening. The outer periphery of the cover plate is connected to the top of the outer housing 8100, and the inner periphery is connected to the top of the inner housing 8200. The opening of the cover plate is matched with the corresponding first air outlet and the second air outlet of the first sub-cavity 821 and the second sub-cavity 822, so that the gas flowing out from the first air outlet and the second air outlet of the first sub-cavity 821 and the second sub-cavity 822 can flow out from the corresponding opening on the cover plate. Of course, in other embodiments, the cover plate may also have only one opening, which is located above the first and second air outlets of the first sub-cavity 821 and the second sub-cavity 822 and cooperates with the first and second air outlets of the first and second sub-cavities 821 and the second sub-cavity 822, so that the gas flowing out from the first and second air outlets of the first and second sub-cavities 821 and the second sub-cavity 822 can flow out from the corresponding opening on the cover plate.

[0107] A second aspect of the present invention provides a cyclone separator, comprising a main air intake pipe and at least one cyclone separator according to any of the above embodiments, wherein the main air intake pipe is in fluid communication with the air intake pipe of at least one cyclone separator.

[0108] In other embodiments, the cyclone separators in the cyclone separator device are arranged in at least two layers and staggered to prevent water discharged from the water outlet of the upper cyclone separator from flowing into the air outlet of the lower cyclone separator.

[0109] A third aspect of the present invention also provides a gas treatment system, including an electric field device and a cyclone separator as described in any of the above embodiments. The electric field device is located downstream of the cyclone separator. After the gas undergoes material separation in the cyclone separator, it enters the electric field device for particle removal. Installing a cyclone separator before the electric field device removes water vapor and / or liquid water from the gas, improving the efficiency of particle removal. The gas treatment system can be applied to fields such as automotive exhaust purification, industrial exhaust purification, thermal power plant exhaust gas purification, and indoor or outdoor air purification. Particles include, but are not limited to, solid particles, droplets, solid particles with attached liquid, aerosols, plasma-state solid particles or droplets, and may also be microorganisms such as bacteria and fungi.

[0110] The content of water vapor and / or liquid water in the gas affects the electrostatic removal efficiency of the gas. Under the same electric field voltage, the higher the content of water vapor and / or liquid water in the gas, the easier it is for the electric field to break down, thus affecting the electrostatic removal efficiency. Within a certain range of electric field voltage, the higher the electric field voltage, the more charge the particles in the gas carry, the better the particle charging effect, and the better the removal efficiency of the gas treatment system for particulate matter, especially fine particulate matter.

[0111] The experimental scheme for this embodiment is as follows:

[0112] Experimental group: Automobile exhaust gas first passes through a cyclone separator and then enters an electric field device for electrostatic particulate removal;

[0113] Control group: The exhaust gas directly enters the electric field device for particulate removal.

[0114] Experimental phenomena: The highest non-breakdown voltage of the electric field device in the experimental group was about 8.3kV, while the highest non-breakdown voltage of the electric field device in the control group was about 7.4kV.

[0115] Experimental conclusion: Cyclone separators can effectively remove water vapor and / or liquid water from gases, improving the electrostatic particulate removal effect of gas treatment systems.

[0116] In summary, the cyclone separator of the present invention improves centrifugal force and separation efficiency by planning the internal fluid path of the cyclone separator and controlling the rotational motion path. At the same time, the structure design is simple, making it easy to use small tooling, easy to process and manufacture, and convenient to control the precision. It also allows the fluid to enter the cyclone separator tangentially, improving the separation efficiency. Furthermore, multiple cyclone separators can be optimized in arrangement to improve separation efficiency and reduce space occupancy.

[0117] The above embodiments are merely illustrative of the principles and effects of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by those skilled in the art without departing from the spirit and technical concept disclosed in the present invention should still be covered by the claims of the present invention.

Claims

1. A cyclone separator, characterized in that, The cyclone separator includes an outer shell and an inner shell. The outer shell has an outer cavity and a first air inlet on its side wall and a water outlet at its bottom. The inner shell has an inner cavity and a second air inlet on its side wall and an air outlet at its top. The inner shell is disposed within the outer cavity of the outer shell, and an airflow channel is formed between its outer wall and the inner wall of the outer shell. The material to be separated enters the outer cavity through the first air inlet and travels a certain distance along the airflow channel for the first cyclone separation. Then, it enters the inner cavity through the second air inlet for a second cyclone separation. The inner cavity includes two sub-cavities, namely the first sub-cavity and the second sub-cavity. The substances to be separated enter the sub-cavities through the second air inlet for a second cyclone separation. The opening direction of the second air inlet is opposite to that of the first air inlet, and the longitudinal centerline of the second air inlet is aligned with the longitudinal centerline of the first air inlet. The first sub-cavity and the second sub-cavity are located on both sides of the second air inlet. After the airflow enters the outer cavity through the first air inlet, it travels clockwise and counterclockwise along the airflow channel for a distance greater than or equal to half of the outer circumference of the inner shell for the first cyclone separation. Then, it enters the first and second sub-cavities of the inner cavity through the second air inlet for a second cyclone separation.

2. The cyclone separator as described in claim 1, characterized in that, The distance the substance to be separated travels within the airflow channel is greater than or equal to one-third of the outer perimeter of the inner shell.

3. The cyclone separator as described in claim 1, characterized in that, The inner shell and the outer shell have circular cross-sections, and an annular airflow channel is formed between the outer wall of the inner shell and the inner wall of the outer shell.

4. The cyclone separator as described in claim 1, characterized in that, The cyclone separator also includes a guide plate, which is disposed between the inner wall of the outer shell and the outer wall of the inner shell, with the first air inlet and the second air inlet located on both sides of the guide plate.

5. The cyclone separator as described in claim 4, characterized in that, The distance between the first sidewall of the guide plate near the first air inlet and the first air inlet is 0-10mm, and the distance between the second sidewall of the guide plate near the second air inlet and the second air inlet is 0-10mm.

6. The cyclone separator as described in claim 5, characterized in that, The first air inlet and the second air inlet are respectively arranged adjacent to the first side wall and the second side wall of the guide plate.

7. The cyclone separator as described in claim 4, characterized in that, The guide plate is connected to the inner shell through an arc portion.

8. The cyclone separator as described in claim 1, characterized in that, The cyclone separator also includes a cover plate disposed above the airflow channel to prevent the material to be separated from flowing out from above the airflow channel.

9. The cyclone separator as described in claim 8, characterized in that, The cover plate is sealed to the outer shell and the inner shell.

10. The cyclone separator as claimed in claim 1, characterized in that, The outer casing includes an upper cylindrical body and a lower conical body, with the water outlet located at the bottom of the conical body.

11. The cyclone separator as claimed in claim 1, characterized in that, The cyclone separator further includes an air inlet pipe, wherein the fluid direction of the substance to be separated adjacent to the first air inlet is perpendicular to the opening direction of the first air inlet.

12. The cyclone separator as claimed in claim 1, characterized in that, The distance between the outer wall of the inner shell and the inner wall of the outer shell is 1-100mm.

13. The cyclone separator as described in claim 12, characterized in that, The distance between the outer wall of the inner shell and the inner wall of the outer shell is 3-5 mm.

14. The cyclone separator as claimed in claim 1, characterized in that, The inner shell and the outer shell are arranged coaxially.

15. The cyclone separator as claimed in claim 1, characterized in that, The lower end face of the inner shell is 1-50mm lower than the lower end face of the first air inlet.

16. The cyclone separator as described in claim 15, characterized in that, The lower end face of the inner shell is 3-4 mm lower than the lower end face of the first air inlet.

17. The cyclone separator as claimed in claim 1, characterized in that, The second air inlet extends from the top to the bottom of the inner housing and forms open spaces in the upper and lower parts, such that the sidewall of the inner housing is broken at the second air inlet.

18. The cyclone separator as claimed in claim 11, characterized in that, The cyclone separator also includes a baffle plate, which is disposed between the inner wall of the outer shell and the outer wall of the inner shell and located at or below the lower end face of the first air inlet, so as to prevent the substance to be separated from flowing directly into the inner cavity from the air inlet pipe.

19. The cyclone separator as claimed in claim 1, characterized in that, The inner cavity has a multi-layer cavity structure, and the substances to be separated pass through the multi-layer cavity of the inner cavity in sequence for multiple cyclone separations.

20. A cyclone separator, characterized in that, The cyclone separator includes a main air inlet pipe and at least one cyclone separator as described in any one of claims 1 to 19, wherein the main air inlet pipe is in fluid communication with the air inlet pipe of at least one of the cyclone separators.

21. The cyclone separator as described in claim 20, characterized in that, The cyclone separation device includes a plurality of cyclone separators, which are arranged in at least two layers and staggered.

22. A gas processing system, characterized in that, The gas processing system includes an electric field device and a cyclone separator as described in any one of claims 20 or 21. The electric field device is located downstream of the cyclone separator. After the gas undergoes material separation in the cyclone separator, it enters the electric field device for particle removal.

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