Demisting device used in magnesium desulfurization process
By optimizing the structure of the demister device and adopting a design with multi-layer demister blades and a hydrophobic coating, the problems of low demister efficiency and difficult maintenance have been solved, achieving efficient removal of mist droplets and simplified maintenance, thereby improving the stability and equipment life of the magnesium-based desulfurization system.
Patent Information
- Application Number
- CN202520553307.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-27
- Publication Date
- 2026-02-24
- Estimated Expiration
- 2035-03-27
AI Technical Summary
Existing demisting devices in magnesium-based desulfurization processes have low demisting efficiency, making it difficult to effectively remove mist droplets from complex flue gas, resulting in environmental and energy waste. At the same time, they are difficult to maintain and clean, have complex structures that increase costs, and affect equipment availability and lifespan.
A demisting device comprising a demisting cylinder, a supporting flow divider, and a demisting disc was designed. The demisting disc is equipped with a conical block and demisting blades. The blade surface is coated with a hydrophobic coating to form a tortuous airflow channel, which simplifies the structure and facilitates operation and maintenance.
It improves defogging efficiency, ensures stable operation under complex working conditions, reduces maintenance costs, extends equipment life, and enhances equipment availability and durability.
Smart Images

Figure CN223930913U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of industrial demisting technology, specifically a demisting device used in the magnesium-based desulfurization process. Background Technology
[0002] Against the backdrop of increasingly stringent environmental protection requirements, magnesium-based desulfurization, as a highly efficient and environmentally friendly desulfurization technology, has been widely applied in many industrial sectors. However, in the actual operation of magnesium-based desulfurization, existing demisters face a series of problems that urgently need to be solved, seriously affecting the overall efficiency and environmental benefits of the process. Currently, traditional demisters used in magnesium-based desulfurization often exhibit low demisting efficiency when faced with the task of removing mist droplets from the complex components of the flue gas after desulfurization.
[0003] Currently available traditional demisting devices not only have low demisting efficiency, making it difficult to effectively remove mist droplets from complex flue gas, leading to environmental and energy waste, but also suffer from difficult maintenance and cleaning, complex structures that increase costs, and inconvenient disassembly and assembly, affecting equipment availability. Due to the difficulty of maintenance and cleaning, traditional demisting devices are also prone to performance degradation; corrosive flue gas components and residual water stains may erode the internal structure of the demisting device, shortening its service life, increasing maintenance costs and downtime, and affecting the continuous and stable operation of the entire magnesium-based desulfurization system. To address these issues, this invention provides a demisting device for the magnesium-based desulfurization process to solve the aforementioned problems. Utility Model Content
[0004] To address the shortcomings of existing technologies, this invention provides a demister for the magnesium-based desulfurization process. It solves the problems of traditional demisters currently on the market, which not only have low demister efficiency and difficulty in effectively removing mist droplets from complex flue gas, leading to environmental and energy waste, but also suffer from difficulties in maintenance and cleaning, complex structures that increase costs, and inconvenient disassembly and assembly, affecting equipment availability. Due to the difficulty in maintenance and cleaning, traditional demisters are also prone to performance degradation; corrosive flue gas components and residual water stains may erode the internal structure of the demister, shortening its service life, increasing maintenance costs and downtime, and affecting the continuous and stable operation of the entire magnesium-based desulfurization system.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a demisting device for the magnesium desulfurization process, comprising a demisting cylinder, wherein a demisting assembly is provided inside the demisting cylinder, the demisting assembly comprising a supporting diverter and a demisting disk, the supporting diverter being installed inside the demisting cylinder, the demisting disk being installed at the top of the supporting diverter, the demisting disk being provided in three sets, the demisting disk comprising a conical block and demisting blades, the conical block being fixedly connected to the upper and lower ends of the demisting disk, the conical block being used to collect water flow, the demisting blades being arranged in a ring array on the demisting disk, each layer of demisting blades maintaining a certain spacing to form a tortuous airflow channel, the demisting blades being generally wavy, and the surface of the demisting blades being coated with a hydrophobic coating to make it easier for mist droplets to gather and slide off.
[0006] Preferably, the demister includes a cylinder body, a support ring is fixedly connected inside the cylinder body, and the support diverter is installed at the top of the support ring.
[0007] Preferably, a support rod is fixedly connected to the top of the supporting diverter, and a central through hole is opened in the demister disk. The support rod is installed in the central through hole, and the demister disk is fixedly connected to the supporting diverter through the support rod.
[0008] Preferably, a fixing bolt is fixedly connected to the top of the cylinder body, and a support plate is installed at the top of the cylinder body. The support plate is fixedly connected to the cylinder body by the fixing bolt.
[0009] Preferably, a rotating fixing block is provided at the top of the support disk, a short screw is provided at the top of the support diverter, the rotating fixing block is threadedly connected to the short screw, and the support disk is fixedly connected to the support disk through the short screw.
[0010] Preferably, a gradually widening air outlet pipe is fixedly connected to the top of the demister, and an air inlet pipe is fixedly connected to the bottom of the demister. The air inlet pipe is used to input flue gas, and the gradually widening air outlet pipe is used to output flue gas.
[0011] Preferably, the water collection pipe is fixedly connected to the bottom of the demister, and an output water valve is fixedly connected to the bottom of the water collection pipe. The water collection pipe is used to collect water droplets, and the output water valve is used to control the water flow.
[0012] This utility model discloses a demister for use in the magnesium-based desulfurization process, which has the following beneficial effects: This demister in the magnesium-based desulfurization process efficiently removes mist droplets from the flue gas. By optimizing the device structure and using multi-layer demister blades to form a tortuous airflow channel, the demister efficiency is improved, ensuring stable operation under complex working conditions. It effectively adapts to mist droplets of different sizes and changing environmental conditions. The new device has a simple structure, is easy to operate and maintain, reduces human error and maintenance costs, and improves the availability and durability of the equipment. Attached Figure Description
[0013] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0014] Figure 1 This is a schematic diagram of the overall front structure of this utility model;
[0015] Figure 2 This is a schematic diagram of the overall cross-sectional structure of this utility model;
[0016] Figure 3 This is a schematic diagram of the overall exploded structure of this utility model;
[0017] Figure 4 This is a schematic diagram showing the detailed structure of the defogging component of this utility model;
[0018] Figure 5 This is a schematic diagram of the overall structure of the demisting disc of this utility model.
[0019] In the diagram: 1. Demister cylinder; 11. Cylinder body; 111. Fixing bolt; 112. Support ring; 12. Support plate; 121. Rotating fixing block; 13. Gradually widening air outlet pipe; 14. Air inlet pipe; 15. Water collection pipe; 16. Water outlet valve; 2. Demister assembly; 21. Support diverter; 211. Support rod; 212. Short screw; 22. Demister disc; 221. Conical block; 222. Shaft through hole; 223. Demister blade. Detailed Implementation
[0020] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions in the embodiments of this utility model are described clearly and completely. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.
[0021] This application provides a demister for the magnesium-based desulfurization process, solving the problems of existing traditional demisters which are not only inefficient at removing mist droplets from complex flue gas, leading to environmental and energy waste, but also difficult to maintain and clean, have complex structures that increase costs, and are inconvenient to disassemble and assemble, affecting equipment availability. Due to the difficulty of maintenance and cleaning, traditional demisters are also prone to performance degradation; corrosive flue gas components and residual water stains can erode the internal structure of the demister, shortening its service life, increasing maintenance costs and downtime, and affecting the continuous and stable operation of the entire magnesium-based desulfurization system.
[0022] To better understand the above technical solutions, the following will provide a detailed explanation of the technical solutions in conjunction with the accompanying drawings and specific implementation methods.
[0023] This utility model discloses a demisting device used in the magnesium-based desulfurization process.
[0024] Example 1
[0025] According to the appendix Figure 1-5 As shown,
[0026] The device includes a demister 1, which contains a demister assembly 2. The demister assembly 2 includes a support diverter 21 installed inside the demister 1, a demister disk 22 installed at the top of the support diverter 21, and three sets of demister disks 22. The demister disk 22 includes a conical block 221 fixedly connected to the upper and lower ends of the demister disk 22 and used to collect water flow, and demister blades 223 arranged in a ring array on the demister disk 22. Each layer of demister blades 223 maintains a certain spacing to form a tortuous airflow channel. The demister blades 223 are generally wavy and coated with a hydrophobic coating to make it easier for mist droplets to gather and slide off.
[0027] The demisting cylinder 1 includes a cylinder body 11, a support ring 112 is fixedly connected inside the cylinder body 11, and a support diverter 21 is installed on the top of the support ring 112.
[0028] A support rod 211 is fixedly connected to the top of the support diverter 21. A central through hole 222 is opened in the demist disc 22. The support rod 211 is installed in the central through hole 222. The demist disc 22 is fixedly connected to the support diverter 21 through the support rod 211.
[0029] When the flue gas enters the demister 1, it is first initially separated by the support and diversion component 21. Then the flue gas enters the demister disc 22 upwards and passes through the demister blades 223. Water droplets slide off the demister blades 223. The conical block 221 supports the demister disc 22 on one hand and guides the water flow to the lower end on the other.
[0030] Example 2
[0031] Based on Example 1, according to Appendix Figure 1-5 As shown,
[0032] The top of the cylinder body 11 is fixedly connected with a fixing bolt 111, and a support plate 12 is installed on the top of the cylinder body 11. The support plate 12 is fixedly connected to the cylinder body 11 by the fixing bolt 111.
[0033] A rotating fixing block 121 is provided at the top of the support plate 12, and a short screw 212 is provided at the top of the support diverter 21. The rotating fixing block 121 is threadedly connected to the short screw 212, and the support plate 12 is fixedly connected to the support plate 12 through the short screw 212.
[0034] The top of the demister 1 is fixedly connected to a gradually widening air outlet pipe 13, and the bottom of the demister 1 is fixedly connected to an air inlet pipe 14. The air inlet pipe 14 is used to input flue gas, and the gradually widening air outlet pipe 13 is used to output flue gas.
[0035] The water collection pipe 15 is fixedly connected to the bottom of the demister 1. The bottom of the water collection pipe 15 is fixedly connected to the water output valve 16. The water collection pipe 15 is used to collect water droplets, and the water output valve 16 is used to control the water flow.
[0036] The water collection pipe 15 is used to collect water flow and output water flow to the outside through the water output valve 16. The gradually widening air outlet pipe 13 is designed to reduce the airflow speed and reduce the pressure impact on the subsequent flue system.
[0037] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.
Claims
1. A demister for use in magnesium-based desulfurization processes, comprising a demister cylinder (1), characterized in that, The demister cylinder (1) is equipped with a demister assembly (2), which includes: A flow divider (21) is installed inside the demister (1); A demisting disc (22) is installed on the top of the supporting diverter (21). Three sets of demisting discs (22) are provided. The demisting disc (22) includes: A conical block (221) is fixedly connected to the upper and lower ends of the demister disk (22), and the conical block (221) is used to collect water flow; Demisting blades (223) are arranged in a ring on the demisting disk (22). Each layer of demisting blades (223) maintains a certain distance to form a tortuous airflow channel. The demisting blades (223) are generally wavy. The surface of the demisting blades (223) is coated with a hydrophobic coating to make it easier for fog droplets to gather and slide off.
2. The demister for magnesium-based desulfurization processes according to claim 1, characterized in that: The demister (1) includes a cylinder body (11), a support ring (112) is fixedly connected inside the cylinder body (11), and the support diverter (21) is installed at the top of the support ring (112).
3. The demister for magnesium-based desulfurization processes according to claim 1, characterized in that: The top end of the support diverter (21) is fixedly connected to a support rod (211), and the demister disk (22) has a central through hole (222). The support rod (211) is installed in the central through hole (222), and the demister disk (22) is fixedly connected to the support diverter (21) through the support rod (211).
4. The demister for magnesium-based desulfurization process according to claim 2, characterized in that: The top of the cylindrical body (11) is fixedly connected with a fixing bolt (111), and a support plate (12) is installed on the top of the cylindrical body (11). The support plate (12) is fixedly connected to the cylindrical body (11) by the fixing bolt (111).
5. The demister for magnesium-based desulfurization processes according to claim 4, characterized in that: The top of the support plate (12) is provided with a rotating fixing block (121), and the top of the support diverter (21) is provided with a short screw (212). The rotating fixing block (121) is threadedly connected to the short screw (212), and the support plate (12) is fixedly connected to the support plate (12) through the short screw (212).
6. The demister for magnesium-based desulfurization process according to claim 1, characterized in that: The top of the demister (1) is fixedly connected to a gradually widening air outlet pipe (13), and the bottom of the demister (1) is fixedly connected to an air inlet pipe (14). The air inlet pipe (14) is used to input flue gas, and the gradually widening air outlet pipe (13) is used to output flue gas.
7. The demister for magnesium-based desulfurization process according to claim 1, characterized in that: The bottom end of the demister (1) is fixedly connected to a water collection pipe (15), and the bottom of the water collection pipe (15) is fixedly connected to an output water valve (16). The water collection pipe (15) is used to collect water droplets, and the output water valve (16) is used to control the water flow.