Energy-saving rotational flow plate tower

Abstract

The utility model relates to the technical field of chemical equipment, in particular to an energy-saving type rotational flow plate tower which comprises a tower shell, a rotational flow plate tower tray, a downcomer, a feeding hole, a gas outlet and a liquid outlet, the plurality of rotational flow plate trays are sequentially arranged inside the tower shell at intervals; each rotational flow plate tower tray comprises a streamline flow guide body, blades, a cover cylinder and a bottom plate; the outer ends of the plurality of blades are connected with the inner wall of the cover cylinder, and the inner ends of the plurality of blades are connected with the side surface of the streamline flow guide body; one end of each group of downcomers is led out from the downcomer hole of the bottom plate, the other end of each group of downcomers faces the streamline flow guide body of the next layer, and after the streamline flow guide body is arranged in the center of the rotational flow plate tower tray, the flow field of gas is optimized, and the kinetic energy loss of the gas passing through the rotational flow plate tower tray is reduced, so that the pressure drop of the gas in the tower is reduced; the power consumption in the subsequent process can be reduced, and the production cost is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of chemical equipment, in particular to an energy-saving cyclone plate tower. Background Art

[0002] The cyclone plate tower is a high-efficiency gas-liquid mass transfer tower. The blades of the tower plate are non-radially arranged and inclined. When the airflow passes through the blades, it generates rotation and centrifugal motion. The absorption liquid is evenly distributed to each blade through the middle blind plate to form a thin liquid layer, which forms a rotation and centrifugal effect with the rotating upward airflow, and is sprayed into fine droplets. After being thrown to the tower wall, the droplets are collected into the collecting tank by gravity and flow to the blind plate area of ​​the next tower plate through the downcomer. The airflow to be treated with a certain pressure and speed enters from the bottom of the tower and exits from the top. The absorption liquid enters from the top of the tower and exits from the bottom. The airflow and the absorption liquid move relative to each other in the tower, and form a liquid film with a large surface area at the structural part of the cyclone plate, thereby greatly improving the absorption effect. The absorption liquid of each layer falls into the collection tank at the edge through the cyclone centrifugal action, and then enters the next tower plate through the guide pipe to carry out the absorption effect of the next layer, thereby improving the mass transfer efficiency.

[0003] However, existing cyclone trays, such as Figure 1 As shown in the figure, the blind plate in the middle is a circular flat plate. When the gas enters the tower from the bottom and flows upward through each layer of the tower plate, the blind plate in the middle of the swirl plate will block the airflow, causing the airflow to lose some kinetic energy. Similarly, after the high-speed airflow passing through the swirl plate blades leaves the blades, the flow area suddenly expands, the gas flow rate decreases, and the high-speed kinetic energy of the airflow is lost again. It can be seen that every time the gas passes through a layer of swirl plate tray from bottom to top, it will cause two kinetic energy losses and produce pressure drop. The number of swirl plate trays in a tower ranges from a dozen layers to dozens of layers. Therefore, the total pressure drop of the gas from the bottom of the tower to the top of the tower will be relatively large, making the pressure at the outlet of the tower plate significantly lower than the pressure at the feed port, which will increase the power consumption of the subsequent process, thus increasing both energy consumption and production costs.

[0004] The information disclosed in this background technology section is only intended to deepen the understanding of the overall background technology of the present invention, and should not be regarded as acknowledging or suggesting in any form that the information constitutes the prior art already known to those skilled in the art. Utility Model Content

[0005] The utility model provides an energy-saving cyclone plate tower, thereby effectively solving the problems in the background technology.

[0006] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: an energy-saving cyclone plate tower, comprising: a tower shell, a cyclone plate tray, a downcomer, a feed inlet, a gas outlet and a liquid outlet;

[0007] The tower shell is arranged vertically, the gas outlet is arranged at the top of the tower shell, the liquid outlet is arranged at the bottom of the tower shell, and the feed inlet is arranged at a side of the tower shell sidewall close to the liquid outlet;

[0008] A plurality of cyclone plate trays are sequentially arranged inside the tower shell along the length direction of the tower shell at intervals; each cyclone plate tray comprises a streamlined guide body, blades, a cover tube and a bottom plate;

[0009] The streamlined guide body is arranged at the center of the cyclone plate tray, the cover tube is coaxially arranged with the streamlined guide body, the bottom plate is arranged at the bottom of the cover tube and extends toward the outer edge of the cover tube, the outer ends of a plurality of blades are connected to the inner wall of the cover tube, and the inner ends are connected to the side of the streamlined guide body;

[0010] One end of a plurality of the downcomers is disposed on the downcomer hole of the bottom plate and leads out, and the other end faces the streamlined guide body of the next layer.

[0011] Furthermore, the downcomer close to the liquid outlet is led vertically toward the bottom of the tower shell.

[0012] Furthermore, the streamlined flow guide comprises a cone at the top, a cylinder in the middle and a hemispherical structure at the bottom in sequence.

[0013] Furthermore, the streamlined flow guide is a solid integral structure.

[0014] Furthermore, the streamlined guide body is formed by splicing hollow structures.

[0015] Further, the cone protrudes from the blade arrangement, and the outlet of the downcomer is aligned with the side surface of the cone.

[0016] Furthermore, the top of the cone and the connection between the cone and the cylinder are both provided with rounded transitions.

[0017] Furthermore, the angle a of the cone is 30° to 60°.

[0018] Furthermore, it also includes a reflux port, which is arranged on the side wall of the tower shell.

[0019] Furthermore, it also includes a skirt seat, which is arranged at the bottom of the tower shell.

[0020] The beneficial effects of the utility model are as follows: the utility model arranges a streamlined flow guide at the center of the cyclone plate tray, the outer ends of a plurality of blades are connected to the inner wall of the cover tube, and the inner ends are connected to the side of the streamlined flow guide; one end of a plurality of groups of downcomers are led out from the downcomer hole of the bottom plate, and the other end faces the streamlined flow guide of the next layer. After the streamlined flow guide is arranged in the center of the cyclone plate tray, the flow field of the gas is optimized, the kinetic energy loss of the gas passing through the cyclone plate tray is reduced, thereby reducing the pressure drop of the gas in the tower, which can reduce the power consumption of the subsequent process and save production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 It is a front view of a cyclone plate tray in the prior art;

[0023] Figure 2 It is a structural schematic diagram of an energy-saving cyclone plate tower;

[0024] Figure 3 It is a front view of the cyclone plate tray in Example 1;

[0025] Figure 4 It is a schematic diagram of the structure of the cyclone plate tray in Example 1;

[0026] Figure 5 A top view of the cyclone plate tray in Example 1;

[0027] Figure 6 It is a front view of the streamlined body guide in Example 1;

[0028] Figure 7 This is a front view of the streamlined body guide in Example 2.

[0029] Figure numerals: 1. tower shell; 2. swirl plate tray; 21. streamlined flow guide; 211. cone; 212. cylinder; 213. hemispherical; 214. conical shell; 215. cylindrical shell; 216. hemispherical shell; 217. fillet; 22. blade; 23. cover cylinder; 24. bottom plate; 241. downcomer; 3. downcomer; 4. feed inlet; 5. gas outlet; 6. liquid outlet; 7. reflux outlet; 8. skirt; 01. blind plate. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0031] In the description of the present invention, it should be noted that the directions or positional relationships indicated by “center”, “up”, “down”, “left”, “right”, “vertical”, “horizontal”, “inside” and “outside”, etc., are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0032] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] Embodiment 1:

[0034] like Figures 2 to 6 As shown: an energy-saving cyclone plate tower, comprising: a tower shell 1, a cyclone plate tray 2, a downcomer 3, a feed inlet 4, a gas outlet 5 and a liquid outlet 6;

[0035] The tower shell 1 is arranged vertically, the gas outlet 5 is arranged at the top of the tower shell 1, the liquid outlet 6 is arranged at the bottom of the tower shell 1, and the feed inlet 4 is arranged on one side of the side wall of the tower shell 1 close to the liquid outlet 6;

[0036] A plurality of cyclone plate trays 2 are sequentially arranged in the interior of the tower shell 1 along the length direction of the tower shell 1 at intervals; each cyclone plate tray 2 comprises a streamlined guide body 21, blades 22, a cover tube 23 and a bottom plate 24, and the streamlined guide body 21 has an approximately streamlined shape;

[0037] The streamlined guide body 21 is arranged at the center of the cyclone plate tray 2, the cover tube 23 is coaxially arranged with the streamlined guide body 21, the bottom plate 24 is arranged at the bottom of the cover tube 23 and extends toward the outer edge of the cover tube 23, the outer ends of a plurality of blades 22 are connected to the inner wall of the cover tube 23, and the inner ends are connected to the side of the streamlined guide body 21;

[0038] One end of a plurality of groups of downcomers 3 is led out from the downcomer holes 241 of the bottom plate 24 , and the other end faces the streamlined guide body 21 of the next layer.

[0039] By arranging the streamlined flow guide 21 at the center of the cyclone plate tray 2, the outer ends of a plurality of blades 22 are connected to the inner wall of the cover tube 23, and the inner ends are connected to the side of the streamlined flow guide 21; one end of a plurality of groups of downcomers 3 is led out from the downcomer hole 241 of the bottom plate 24, and the other end is directed toward the streamlined flow guide 21 of the next layer. After the streamlined flow guide 21 is arranged at the center of the cyclone plate tray 2, the flow field of the gas is optimized, the kinetic energy loss of the gas passing through the cyclone plate tray 2 is reduced, thereby reducing the pressure drop of the gas in the tower, which can reduce the power consumption of the subsequent process and save production costs.

[0040] By designing the downcomer 3 to be a streamlined flow guide 21 facing the next layer, the liquid is collected and collected in the liquid collecting tank after rotating on each layer of the tower tray, and the liquid can smoothly flow from the downcomer 3 to the top of the streamlined flow guide 21 of the next layer, and then be blown into droplets by the high-speed airflow passing through the blades. In this process, gas-liquid mass transfer is carried out, and the remaining droplets are thrown to the tower wall by the centrifugal force generated by the high-speed airflow, and then collected in the liquid collecting tank, and flow from the downcomer to the next layer of tower trays. In this embodiment, a group of downcomers 3 of the lowest layer of tower trays 2 are vertically led toward the bottom of the tower shell 1, so that the liquid flows directly to the bottom of the tower and is discharged from the tower.

[0041] Among them, the streamlined flow guide 21 includes a cone 211 at the top, a cylinder 212 in the middle and a hemisphere 213 at the bottom. Specifically, the streamlined flow guide 21 composed of the cone 211, the cylinder 212 and the hemisphere 213, the cone 211 at the top can help the liquid to be evenly distributed on the surface of the conductor, reduce the possibility of the liquid forming a thick liquid film on the surface of the conductor, thereby improving the utilization efficiency and reaction speed of the liquid; the design at the bottom of the hemisphere 213 optimizes the flow field of the airflow when passing through the streamlined flow guide 21, reduces the kinetic energy loss of the gas through the cyclone plate tray 2, thereby reducing the pressure drop of the gas in the tower, which can reduce the power consumption of the subsequent process and save production costs.

[0042] As a preferred embodiment of the above-mentioned embodiment, the streamlined flow guide 21 is a solid integral structure. Specifically, on the one hand, the solid structure can be processed and formed in one piece, reducing complex manufacturing steps and processing requirements; on the other hand, the solid design provides higher mechanical integrity, avoiding the risk of cracks and ruptures that may be caused by thin-walled or hollow designs, and the equipment is safer and more reliable when operating in high-pressure and high-temperature environments.

[0043] In this embodiment, the cone 211 protrudes from the blade 22, and the outlet of the downcomer 3 is aligned with the side of the cone 211. Specifically, after the liquid flows out from the outlet of the downcomer 3, it rotates and slides down along the surface of the cone 211. Through the action of centrifugal force, the liquid is quickly thrown to the edge of the blade 22 to form a uniform liquid film. The swirl effect increases the momentum transfer and material exchange rate between the gas and the liquid, and significantly improves the mass transfer efficiency in the tower; wherein, the top of the cone 211 and the connection between the cone 211 and the cylinder 212 are provided with a rounded corner 217 transition. Specifically, the rounded corner 217 transition design makes the airflow flow more smoothly at the connection between the cone 211 and the cylinder 212, reducing the flow resistance. The rounded corner 217 transition helps to smooth this change, reduce the overall fluid resistance and pressure drop, reduce the energy consumption of the compressor, and thus reduce the overall energy consumption and operating costs.

[0044] As a preference of the above embodiment, the angle a of the cone 211 is 30° to 60°, and preferably, the angle a of the cone 211 is 50°.

[0045] In this embodiment, a reflux port 7 is further included. The reflux port 7 is arranged on the side wall of the tower shell 1. Specifically, the reflux port 7 is used to replenish the liquid in the upper part of the tower, so as to maintain the stability of the operation in the tower and improve the reliability of the treatment effect.

[0046] It also includes a skirt seat 8, which is arranged at the bottom of the tower shell 1. Specifically, on the one hand, the setting of the skirt seat 8 provides additional support for the bottom of the tower shell 1, thereby increasing the stability of the tower shell 1; on the other hand, the skirt seat 8 provides space for the liquid outlet 6 pipeline at the bottom of the tower shell 1, thereby making the installation, adjustment and maintenance process of the pipeline easier.

[0047] Embodiment 2:

[0048] like Figure 7 As shown, unlike Example 1, the streamlined flow guide 21 is formed by splicing hollow structures. Specifically, the streamlined flow guide 21 is sequentially spliced ​​by a hemispherical shell 216, a cylindrical shell 215 and a conical shell 214; on the one hand, the design of the hollow structure significantly reduces the overall weight of the conductor, which makes the cyclone plate tower more convenient during transportation, installation and operation; on the other hand, the hollow spliced ​​structure saves materials and reduces production costs compared to the solid structure; in addition, by adopting the splicing design, the streamlined flow guide 21 can be realized through a modular production method, which not only simplifies the manufacturing process, but also facilitates the later installation and disassembly, and reduces the problems encountered during the manufacturing and maintenance process.

[0049] Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and the description are only for explaining the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which are within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. An energy-saving cyclone plate tower, characterized in that: include: Tower shell, cyclone plate tray, downcomer, feed inlet, gas outlet and liquid outlet; The tower shell is arranged vertically, the gas outlet is arranged at the top of the tower shell, the liquid outlet is arranged at the bottom of the tower shell, and the feed inlet is arranged at a side of the tower shell sidewall close to the liquid outlet; A plurality of cyclone plate trays are sequentially arranged inside the tower shell along the length direction of the tower shell at intervals; each cyclone plate tray comprises a streamlined guide body, blades, a cover tube and a bottom plate; The streamlined guide body is arranged at the center of the cyclone plate tray, the cover tube is coaxially arranged with the streamlined guide body, the bottom plate is arranged at the bottom of the cover tube and extends toward the outer edge of the cover tube, the outer ends of a plurality of blades are connected to the inner wall of the cover tube, and the inner ends are connected to the side of the streamlined guide body; One end of a plurality of groups of the downcomers is led out from the downcomer holes of the bottom plate, and the other end faces the streamlined guide body of the next layer.

2. The energy-saving cyclone plate tower according to claim 1, characterized in that: The downcomer close to the liquid outlet is led vertically toward the bottom of the tower shell.

3. The energy-saving cyclone plate tower according to claim 1, characterized in that: The streamlined flow guide comprises a cone at the top, a cylinder in the middle and a hemispherical structure at the bottom in sequence.

4. The energy-saving cyclone plate tower according to claim 3, characterized in that: The streamlined body guide is a solid integral structure.

5. The energy-saving cyclone plate tower according to claim 3, characterized in that: The streamlined guide body is formed by splicing hollow structures.

6. The energy-saving cyclone plate tower according to claim 3, characterized in that: The cone protrudes from the blade arrangement, and the outlet of the downcomer is aligned with the side surface of the cone.

7. The energy-saving cyclone plate tower according to claim 3, characterized in that: The top of the cone and the connection between the cone and the cylinder are both provided with rounded transitions.

8. The energy-saving cyclone plate tower according to claim 3, characterized in that: The angle a of the cone is 30° to 60°.

9. The energy-saving cyclone plate tower according to claim 1, characterized in that: It also includes a reflux port, which is arranged on the side wall of the tower shell.

10. The energy-saving cyclone plate tower according to claim 1, characterized in that: It also includes a skirt seat, which is arranged at the bottom of the tower shell.

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