Rotational flow dehydrator for flue gas desulfurization tower
By adjusting the angle of the swirl blades, the cyclone dehydrator solves the problem of desulfurizing agent waste caused by changes in flue gas flow rate, achieves flexible adjustment of flue gas velocity, and reduces costs.
Patent Information
- Application Number
- CN202423310703.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2034-12-31
AI Technical Summary
The existing cyclone dehydrator has a fixed structure and cannot adapt to changes in flue gas flow rate. This results in excessive contact time between the flue gas and the desulfurizing agent when the flue gas flow rate is low, wasting the desulfurizing agent.
An adjustable swirl dewatering device was designed. The swirl blade angle is controlled by adjusting the servo motor to change the flue gas velocity. Increasing the flue gas velocity reduces the contact time with the desulfurizing agent.
By adjusting the angle of the swirl blades, the contact time between the flue gas and the desulfurizing agent is reduced, thus reducing the waste of the desulfurizing agent and lowering costs.
Smart Images

Figure CN223818443U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to a dehydrator, specifically a cyclone dehydrator for use in flue gas desulfurization towers. Background Technology
[0002] A cyclone dehydrator, shaped like a windmill impeller, consists of a central blind plate and tangentially angled cyclone blades. A cyclone dehydrator is often installed at the outlet of a flue gas desulfurization tower. When blast furnace flue gas passes through it, it creates a swirling flow, causing water mist in the flue gas to be thrown against the tube wall, thus achieving water separation. Existing cyclone dehydrators often have a fixed structure. To slow down the flue gas flow rate and prolong the contact time between the flue gas and the desulfurizing agent, the cyclone dehydrator is set at a slower rotation speed. However, flue gas flow rates vary. When the flue gas flow is low, a longer contact time with the desulfurizing agent often results in significant waste of the agent, leading to substantial cost inefficiency. Therefore, designing an adjustable cyclone dehydrator for flue gas desulfurization towers is crucial to address these issues. Summary of the Invention
[0003] To address the aforementioned problems, this invention designs a cyclone dehydrator for a flue gas desulfurization tower. It utilizes a servo motor to adjust the angle of the cyclone blades, thereby altering the flue gas velocity. When flue gas flow is insufficient, controlling the angle of the cyclone blades increases the flue gas velocity, thus reducing the contact time between the flue gas and the desulfurizing agent. This significantly reduces waste of desulfurizing agent and substantially lowers costs.
[0004] To solve the above-mentioned technical problems, this utility model provides a cyclone dehydrator for a flue gas desulfurization tower, characterized in that it includes an outer base, a rotating support, a cyclone blade assembly, a transmission support, and a rotating shaft. The outer base is installed at the outlet of the flue gas desulfurization tower. The interior of the outer base is provided with a circular mounting groove that matches the rotating support. The rotating support is connected to the rotating shaft through a transmission support fixed on the inner ring. The rotating support is driven to rotate within the circular mounting groove by the rotating shaft. The rotating support is provided with several connecting grooves for mounting the cyclone blade assembly, and the connecting grooves are arranged in a circle. The cyclone blade assembly consists of a central shaft and cyclone blades. The shape of the cyclone blades matches the connecting grooves. The cyclone blades are fitted onto the outside of the central shaft and connected to the connecting grooves through the central shaft. One end of the central shaft is connected to an adjusting servo motor installed on the outer wall of the outer base through a quick-connect structure. The angle of the cyclone blades is controlled by adjusting the servo motor.
[0005] Further: The connecting groove has connecting holes for mounting the central shaft on both the front and rear inner walls. The front and rear ends of the central shaft are rotatably connected to the connecting holes through bearings. The inner wall of the circular mounting groove has a guide hole opposite the connecting hole. The output shaft of the adjusting servo motor extends into the guide hole and connects to the circular guide seat. The circular guide seat matches the guide hole and can rotate within the guide hole. A first telescopic rod is mounted on the circular guide seat. The first telescopic rod is connected to the quick-connect keyway sleeve. A quick-connect key structure is provided on the end of the central shaft facing the adjusting servo motor. The quick-connect keyway sleeve is connected to the quick-connect key structure through the first telescopic rod.
[0006] Furthermore, a quick-lock key structure is provided on the other end of the central shaft, and a second telescopic rod is installed in the connection hole away from the adjustment servo motor. The second telescopic rod is connected to the quick-lock keyway sleeve, and the quick-lock keyway sleeve is pushed to connect with the quick-lock key structure through the second telescopic rod.
[0007] Furthermore: the upper end of the rotating shaft is rotatably connected to the mounting base, the mounting base is fixed directly above the outlet of the flue gas desulfurization tower, a transmission gear is mounted on the rotating shaft, a rotary servo motor is connected to the bottom of the mounting base, a drive gear is mounted on the output shaft of the rotary servo motor, and the drive gear meshes with the transmission gear.
[0008] With the above structure, this utility model uses a set adjustable servo motor to adjust the angle of the swirl blades, thereby changing the flow rate of the flue gas. When the flue gas is insufficient, the flow rate of the flue gas is increased by controlling the angle of the swirl blades, thus reducing the contact time between the flue gas and the desulfurizing agent, thereby reducing the waste of a large amount of desulfurizing agent and greatly reducing costs. In addition, this design also has the advantages of simple structure, convenient use and high efficiency. Attached Figure Description
[0009] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.
[0010] Figure 1 This is a top view of the internal structure of this utility model.
[0011] Figure 2 for Figure 1 A magnified view of A in the middle.
[0012] Figure 3 for Figure 1 A magnified view of B in the middle.
[0013] Figure 4 This is a schematic diagram of the drive connection for the rotating shaft. Detailed Implementation
[0014] like Figure 1 and Figure 2 The diagram shows a cyclone dehydrator for a flue gas desulfurization tower, comprising an outer base 1, a rotating support 2, a cyclone blade assembly 3, a transmission support 4, and a rotating shaft 5. The outer base is installed at the outlet of the flue gas desulfurization tower. The outer base has a circular mounting groove matching the rotating support. The rotating support is connected to the rotating shaft via a transmission support fixed to the inner ring. The rotating support is driven to rotate within the circular mounting groove by the rotating shaft. The rotating support has several connecting grooves for mounting the cyclone blade assembly, arranged in a circular pattern. The cyclone blade assembly consists of a central shaft 10 and cyclone blades 11. The shape of the cyclone blades matches the connecting grooves. The cyclone blades are fitted onto the outside of the central shaft and connected to the connecting grooves via the central shaft. One end of the central shaft is connected to an adjusting servo motor 7 mounted on the outer wall of the outer base via a quick-connect structure. The angle of the cyclone blades is controlled by adjusting the servo motor. This invention utilizes a servo motor to adjust the angle of the swirl blades, thereby changing the flue gas velocity. When flue gas is insufficient, the flue gas velocity is increased by controlling the angle of the swirl blades, thus reducing the contact time between the flue gas and the desulfurizing agent, thereby reducing the waste of desulfurizing agent and significantly lowering costs.
[0015] like Figure 2 The connecting groove shown has connecting holes for mounting the central shaft on both the front and rear inner walls. The front and rear ends of the central shaft are rotatably connected to the connecting holes through bearings. A guide hole is provided on the inner wall of the circular mounting groove, directly opposite the connecting hole. The output shaft of the adjusting servo motor extends into the guide hole and is connected to the circular guide seat 6. The circular guide seat matches the guide hole and can rotate within the guide hole. A first telescopic rod 8 is installed on the circular guide seat. The first telescopic rod is connected to the quick-connect keyway sleeve 9. A quick-connect key structure 12 is provided on the end of the central shaft facing the adjusting servo motor. The quick-connect keyway sleeve is connected to the quick-connect key structure through the first telescopic rod.
[0016] like Figure 3 A quick-lock key structure 13 is provided on the other end of the central shaft shown. A second telescopic rod 15 is also installed in the connection hole away from the adjustment servo motor. The second telescopic rod is connected to the quick-lock keyway sleeve 14. The quick-lock keyway sleeve is pushed to connect with the quick-lock key structure through the second telescopic rod.
[0017] like Figure 4 The upper end of the rotating shaft is rotatably connected to the mounting base 16. The mounting base is fixed directly above the outlet of the flue gas desulfurization tower. A transmission gear 17 is mounted on the rotating shaft. A rotary servo motor 19 is connected to the bottom of the mounting base. A drive gear 18 is mounted on the output shaft of the rotary servo motor. The drive gear and the transmission gear mesh with each other.
[0018] When angle adjustment is required, first turn off the rotary servo motor and use it to align the connecting hole with the guide through hole. Then, drive the first telescopic rod to connect the quick-connect keyway sleeve with the quick-connect key structure. Next, drive the second telescopic rod to separate the quick-lock keyway sleeve from the quick-lock key structure. At this time, adjust the angle of the swirl blades by adjusting the servo motor. After adjustment, re-lock the central shaft using the cooperation between the quick-lock keyway sleeve and the quick-lock key structure. Then, release the quick-connect keyway sleeve and restart the rotary servo motor to drive the rotating bracket to continue rotating. This design features a rotary servo motor, the first telescopic rod, the second telescopic rod, and the adjusting servo motor, all of which can be remotely controlled. It has the advantages of being convenient to use, practical, and efficient.
[0019] The above are merely preferred embodiments of this utility model. The protection scope of this utility model is not limited to the above embodiments. All technical solutions falling within the scope of this utility model's concept are within its protection scope. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principle of this utility model should be considered within its protection scope.
Claims
1. A cyclone dehydrator for a flue gas desulfurization tower, characterized in that: The system includes an outer base (1), a rotating bracket (2), a swirl blade assembly (3), a transmission bracket (4), and a rotating shaft (5). The outer base is installed at the outlet of the flue gas desulfurization tower. The outer base has a circular mounting groove that matches the rotating bracket. The rotating bracket is connected to the rotating shaft through a transmission bracket fixed on the inner ring. The rotating bracket is driven to rotate in the circular mounting groove by the rotating shaft. The rotating bracket has several connecting grooves for installing the swirl blade assembly. The connecting grooves are arranged in a circle. The swirl blade assembly is composed of a central shaft (10) and swirl blades (11). The shape of the swirl blades matches the connecting grooves. The swirl blades are fitted on the outside of the central shaft and connected to the connecting grooves through the central shaft. One end of the central shaft is connected to an adjusting servo motor (7) installed on the outer wall of the outer base through a quick-connect structure. The angle of the swirl blades is controlled by adjusting the servo motor.
2. A cyclone dehydrator for a flue gas desulfurization tower according to claim 1, characterized in that: The connecting groove has connecting holes for mounting the central shaft on both the front and rear inner walls. The front and rear ends of the central shaft are rotatably connected to the connecting holes by bearings. The inner wall of the circular mounting groove has a guide hole facing the connecting hole. The output shaft of the adjusting servo motor extends into the guide hole and is connected to the circular guide seat (6). The circular guide seat matches the guide hole and can rotate within the guide hole. A first telescopic rod (8) is installed on the circular guide seat. The first telescopic rod is connected to the quick-connect keyway sleeve (9). A quick-connect key structure (12) is provided on the end of the central shaft facing the adjusting servo motor. The quick-connect keyway sleeve is connected to the quick-connect key structure through the first telescopic rod.
3. A cyclone dehydrator for a flue gas desulfurization tower according to claim 2, characterized in that: A quick-lock key structure (13) is provided on the other end of the central shaft. A second telescopic rod (15) is also installed in the connection hole away from the adjustment servo motor. The second telescopic rod is connected to the quick-lock keyway sleeve (14). The quick-lock keyway sleeve is pushed to connect with the quick-lock key structure through the second telescopic rod.
4. A cyclone dehydrator for a flue gas desulfurization tower according to claim 1, characterized in that: The upper end of the rotating shaft is rotatably connected to the mounting base (16). The mounting base is fixed directly above the outlet of the flue gas desulfurization tower. A transmission gear (17) is mounted on the rotating shaft. A rotary servo motor (19) is connected to the bottom of the mounting base. A drive gear (18) is mounted on the output shaft of the rotary servo motor. The drive gear and the transmission gear mesh with each other.