Demister for wet desulphurization
By introducing a blower and spray nozzles into the wet desulfurization demister, the problem of spray cleaning solutions being unable to effectively remove residues was solved, achieving effective cleaning of impurities on the demister surface and improving the efficiency of wet desulfurization.
Patent Information
- Application Number
- CN202520627692.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-07
- Publication Date
- 2026-03-20
- Estimated Expiration
- 2035-04-07
AI Technical Summary
During wet desulfurization, the residue on the surface of the demister has a complex composition, which cannot be effectively dissolved or decomposed by sprayed cleaning agents, resulting in residue adhesion and affecting the demisting effect.
A demister comprising a blower body, an air intake filter, and an exhaust grille was designed. The blower works to circulate air, which, in conjunction with the spray head and spray mechanism, removes impurities from the surface of the demister.
It effectively removes residue from the surface of the demister, improves the cleaning effect of the demister, prevents residue from continuing to adhere, and improves the efficiency of wet desulfurization.
Smart Images

Figure CN224009387U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a demister for wet desulphurization. BACKGROUND
[0002] In the wet desulphurization process, the demister plays a crucial role. In the traditional wet desulphurization process, flue gas carries a large amount of liquid droplets after washing. These liquid droplets contain unreacted desulfurizer, gypsum particles and other substances. If not removed effectively, it will cause a series of problems.
[0003] In the prior art, however, in the actual wet desulphurization process, the residue composition on the surface of the demister may be complex, for example, there may be some special metal compounds, unreacted desulfurizer additives, etc. The chemical properties of these residues may not completely match the composition of the cleaning medicine. Only by spraying cleaning medicine, these special residue components cannot be effectively dissolved or decomposed. Therefore, a demister for wet desulphurization is needed to solve the above problems. SUMMARY
[0004] In order to overcome the problem that part of the residue cannot be effectively cleaned by spraying medicine, and the impurities will continue to adhere to the surface of the demister.
[0005] The technical scheme of the utility model is: a demister for wet desulphurization, comprising a device main body, a first fixed shell and a spraying mechanism, a filtrate tank is fixedly connected to the bottom of the device main body, the device main body is provided with a spraying mechanism inside, the device main body is fixedly connected with a first fixed shell inside, the first fixed shell is provided with a demister main body inside, the first fixed shell is provided with a blowing fan body inside, the device main body is provided with an air inlet filter screen inside, and the device main body is provided with an air outlet grille inside.
[0006] Preferably, the blowing fan body is provided with four, and the four blowing fan bodies are symmetrically arranged inside the device main body.
[0007] Preferably, the demister main body is composed of a plurality of parallel arranged wave-shaped demisting blades.
[0008] Preferably, a closing plate is slidably connected inside the first fixed shell, a first motor is fixedly connected inside the main body of the device, a first fixed rod is fixedly connected to the output end of the first motor, a first gear is fixedly connected to the outside of the first fixed rod, a fixed rack is fixedly connected to the outside of the closing plate, the first gear meshes with the outside of the fixed rack, a second fixed shell is fixedly connected inside the main body of the device, a second motor is fixedly connected to the back of the main body of the device, a threaded rod is fixedly connected to the output end of the second motor, a sliding plate is threadedly connected to the outside of the threaded rod, the sliding plate is slidably connected inside the second fixed shell, a first fixed outer box is fixedly connected to the left side of the main body of the device, a first extraction pump body is provided on the top of the first fixed outer box, a spray head body is fixedly connected inside the main body of the device, a first connecting pipe is fixedly connected between the spray head body and the first extraction pump body, an air outlet is fixedly connected inside the main body of the device, and an air inlet is fixedly connected inside the main body of the device.
[0009] Preferably, the first fixed shell has a groove at the relative position of the closing plate, and the closing plate is slidably connected inside the groove.
[0010] Preferably, the second fixed shell has a groove at the relative position of the sliding plate, and the sliding plate is slidably connected inside the groove.
[0011] Preferably, the spraying mechanism includes a second fixed outer casing, which is fixedly connected inside the main body of the device. A second extraction pump body is fixedly connected to the top of the second fixed outer casing. A fixed bracket is fixedly connected inside the main body of the device. A first bevel gear is rotatably connected inside the fixed bracket. A second connecting pipe is fixedly connected inside the first bevel gear. A universal valve body is provided at the top of the second connecting pipe. A third connecting pipe is fixedly connected between the universal valve body and the second extraction pump body. A third motor is fixedly connected to the right side of the main body of the device. A second fixed rod is fixedly connected to the output end of the third motor. A second bevel gear is fixedly connected to the outside of the second fixed rod. The second bevel gear meshes with the outside of the first bevel gear. A connecting plate is fixedly connected to the outside of the second connecting pipe. A nozzle is fixedly connected to the bottom of the connecting plate.
[0012] Preferably, the fixed bracket has a slot at the relative position of the first bevel gear, and the first bevel gear is rotatably connected inside the slot.
[0013] The beneficial effects of this utility model are as follows: by adding a blower body, an air inlet filter and an exhaust grille, the blower body causes air to flow inside the first fixed shell, which, together with the spray head body, performs cleaning work, more effectively removing impurities attached to the surface of the demister body. This avoids the problem that some residues cannot be effectively cleaned by spraying chemicals and that the impurities will continue to adhere to the surface of the demister. Attached Figure Description
[0014] Figure 1 is a schematic diagram of the three-dimensional structure of the utility model;
[0015] Figure 2 is a schematic diagram of the sectional structure of the device main body of the utility model;
[0016] Figure 3 is a schematic diagram of the first fixed shell and the connected components thereof of the utility model;
[0017] Figure 4 is a schematic diagram of the spray head body and the connected components thereof of the utility model;
[0018] Figure 5 is a schematic diagram of the spraying mechanism structure of the utility model.
[0019] Mark 1, device main body; 4, filtrate tank; 21, first fixed shell; 22, demister main body; 23, blowing fan body; 24, air inlet filter screen; 25, exhaust grille; 26, closing plate; 27, first motor; 28, fixed rack; 29, first gear; 210, second fixed shell; 211, second motor; 212, threaded rod; 213, sliding plate; 214, first fixed outer box; 215, first extraction pump body; 216, spray head body; 217, first connecting pipe; 218, first fixed rod; 219, air outlet interface; 220, air inlet interface; 31, second fixed outer box; 32, second extraction pump body; 33, fixed support; 34, first bevel gear; 35, second connecting pipe; 36, third connecting pipe; 37, universal valve body; 38, third motor; 39, second fixed rod; 310, second bevel gear; 311, connecting plate; 312, spray port. DETAILED DESCRIPTION
[0020] The utility model will be further explained in connection with the drawings and examples.
[0021] Please refer to Figure 1 - Figure 5The utility model provides an embodiment: a kind of for wet desulphurization demister, including device main body 1, still including first fixed shell 21 with spraying mechanism, the bottom of device main body 1 is fixedly connected with filtrate tank 4, the inside of device main body 1 is provided with spraying mechanism, the inside of device main body 1 is fixedly connected with first fixed shell 21, the inside of first fixed shell 21 is provided with demister main body 22, the inside of first fixed shell 21 is provided with blowing fan body 23, the inside of device main body 1 is provided with air inlet filter screen 24, the inside of device main body 1 is provided with exhaust grid 25, when using, by spraying mechanism, circulating liquid is sprayed to flue gas, subsequent flue gas is passed when first fixed shell 21, by demister main body 22, gas is separated from the liquid droplet of inclusion in gas, subsequent when cleaning, by blowing fan body 23 work, air is blown to the gap between demister main body 22, residue adhered to its surface is blown out by exhaust grid 25, to improve cleaning effect, blowing fan body 23 is provided with four, four blowing fan body 23 is symmetrically set in the inside of device main body 1, by four blowing fan body 23 increase air flow, to improve the effect of cleaning, the demister main body 22 is composed of multiple parallel arrangement wave-shaped demisting blade, by parallel arrangement wave-shaped demisting blade, while separating the liquid droplet of inclusion in flue gas, avoid the uneven demisting caused by local flow rate too high or too low, reduce flue gas flow resistance and reduce loss.
[0022] Please refer to Figure 1 - Figure 4In the embodiment, the first fixed shell 21 is internally slidably connected with a closing plate 26, the device body 1 is internally fixedly connected with a first motor 27, the output end of the first motor 27 is fixedly connected with a first fixed rod 218, the outer portion of the first fixed rod 218 is fixedly connected with a first gear 29, the outer side of the closing plate 26 is fixedly connected with a fixed rack 28, the first gear 29 is engaged outside the fixed rack 28, the inner portion of the device body 1 is fixedly connected with a second fixed shell 210, the back of the device body 1 is fixedly connected with a second motor 211, the output end of the second motor 211 is fixedly connected with a threaded rod 212, the outer portion of the threaded rod 212 is threadedly connected with a sliding plate 213, the sliding plate 213 is slidably connected inside the second fixed shell 210, the left side of the device body 1 is fixedly connected with a first fixed outer box 214, the top of the first fixed outer box 214 is provided with a first extraction pump body 215, the inner portion of the device body 1 is fixedly connected with a spray head body 216, the first fixed outer box 214 is fixedly connected with the first extraction pump body 215, the inner portion of the device body 1 is fixedly connected with an air outlet interface 219, the inner portion of the device body 1 is fixedly connected with an air inlet interface 220, the clear water is sprayed to the surface of the defogger body 22 through the spray head body 216, which assists the blower fan body 23 to clean the surface, thereby improving the cleaning efficiency, the first fixed shell 21 is provided with a sliding groove at the opposite position of the closing plate 26, the closing plate 26 is slidably connected inside the sliding groove, the sliding of the closing plate 26 is limited through the sliding groove, the sliding of the closing plate 26 is guided to make it linearly slide inside the first fixed shell 21, the device body 1 is closed through the sliding of the closing plate 26, so as to protect the gas circulation in the inner portion of the device body 1, the gas is flowed out through the through slot of the device body 1, which causes the waste of the gas, the second fixed shell 210 is provided with a sliding groove at the opposite position of the sliding plate 213, the sliding plate 213 is slidably connected inside the sliding groove, the sliding of the sliding plate 213 is limited through the sliding groove, the sliding plate 213 linearly slides inside the second fixed shell 210, the device body 1 is closed through the sliding of the second fixed shell 210, so as to protect the spray head body 216 from being affected by the gas circulation in the inner portion of the device body 1.
[0023] Please refer to Figure 2 , Figure 5In the embodiment, the spraying mechanism comprises a second fixed outer box 31, the second fixed outer box 31 is fixedly connected in the inside of the device main body 1, the top of the second fixed outer box 31 is fixedly connected with a second pumping body 32, the inside of the device main body 1 is fixedly connected with a fixed support 33, the inside of the fixed support 33 is rotatably connected with a first bevel gear 34, the inside of the first bevel gear 34 is fixedly connected with a second connecting pipe 35, the top of the second connecting pipe 35 is provided with a universal valve body 37, the universal valve body 37 and the second pumping body 32 are fixedly connected with a third connecting pipe 36, the right side of the device main body 1 is fixedly connected with a third motor 38, the output end of the third motor 38 is fixedly connected with a second fixed rod 39, the outside of the second fixed rod 39 is fixedly connected with a second bevel gear 310, the second bevel gear 310 is engaged outside the first bevel gear 34, the outside of the second connecting pipe 35 is fixedly connected with a connecting plate 311, the bottom of the connecting plate 311 is fixedly connected with a spout 312, through the cooperation of the first bevel gear 34 and the second bevel gear 310, the connecting plate 311 and the spout 312 are driven to rotate so as to fully spray the mixed solution to the flue gas entering the inside of the device main body 1 to improve the desulfurization efficiency, the fixed support 33 is provided with a rotating groove at the relative position of the first bevel gear 34, the first bevel gear 34 is rotatably connected in the inside of the rotating groove, the rotation of the first bevel gear 34 is limited through the rotating groove, the first bevel gear 34 is prevented from being separated from the fixed support 33 when rotating, and the connecting plate 311 and the spout 312 are prevented from falling off.
[0024] In the work, the flue gas through the gas interface 220 into the device main body 1 inside, through the second extraction pump body 32 extraction of the second fixed box 31 inside the mixed liquid, through the third connecting pipe 36 and universal valve body 37 will be transported to the second connecting pipe 35 inside, the mixed liquid is sprayed through the connecting plate 311 and nozzle 312, in the spraying, through the third motor 38 work, the third motor 38 through the second fixed rod 39 drive second bevel gear 310 rotation, through the second bevel gear 310 and first bevel gear 34 cooperation, drive the second connecting pipe 35 rotation, thus enhance the spraying coverage area, after the spray mechanism of flue gas continue to go up, through the first fixed shell 21 when, by the inside setting ground demister body 22 to separate processing, thus complete the flue gas of full processing, the flue gas through the gas interface 219 to the next process, when routine maintenance, through the first motor 27 work, through the first gear 29 and fixed rack 28 cooperation, drive the closure plate 26 slide out open, and then through the second motor 211 work, drive screw rod 212 rotation, make the sliding plate 213 in the second fixed shell 210 inside sliding open, open first extraction pump body 215 work extraction of the first fixed box 214 inside the clean water, clean water through the first connecting pipe 217 and spray head body 216 after being sprayed to the demister body 22, clean the demister body 22, and then through the blower fan body 23 work, produce airflow in the demister body 22 inside the blade surface flow, so as to more effectively remove the dirt on the demister, cleaning is completed again, the sliding plate 213 and closure plate 26 close, in turn complete the maintenance work.
[0025] Through the above steps, by adding blower fan body 23, air inlet filter 24 and exhaust grille 25, to solve the problem of residual residue can not be effectively cleaned by spraying water, its impurities will continue to adhere to the surface of the demister.
Claims
1. A demister for wet desulfurization, comprising a main body (1), characterized in that: It also includes a first fixed shell (21) and a spraying mechanism. A filter tank (4) is fixedly connected to the bottom of the device body (1). A spraying mechanism is provided inside the device body (1). A first fixed shell (21) is fixedly connected inside the device body (1). A demister body (22) is provided inside the first fixed shell (21). A blower body (23) is provided inside the first fixed shell (21). An air inlet filter (24) is provided inside the device body (1). An exhaust grille (25) is provided inside the device body (1).
2. A demister for wet desulfurization according to claim 1, characterized in that: There are four blower bodies (23), and the four blower bodies (23) are symmetrically arranged inside the main body (1) of the device.
3. A demister for wet desulfurization according to claim 1, characterized in that: The main body (22) of the demister is composed of multiple parallel wave-shaped demister blades.
4. A demister for wet desulfurization according to claim 1, characterized in that: A closing plate (26) is slidably connected inside the first fixed shell (21). A first motor (27) is fixedly connected inside the main body (1). A first fixed rod (218) is fixedly connected to the output end of the first motor (27). A first gear (29) is fixedly connected to the outside of the first fixed rod (218). A fixed rack (28) is fixedly connected to the outside of the closing plate (26). The first gear (29) meshes with the outside of the fixed rack (28). A second fixed shell (210) is fixedly connected inside the main body (1). A second motor (211) is fixedly connected to the back of the main body (1). A threaded rod (212) is fixedly connected to the output end of the second motor (211). The threaded rod (212) is externally threaded with a sliding plate (213), which is slidably connected to the inside of the second fixed shell (210). The left side of the device body (1) is fixedly connected with a first fixed outer box (214), and the top of the first fixed outer box (214) is provided with a first extraction pump body (215). The inside of the device body (1) is fixedly connected with a spray head body (216), and a first connecting pipe (217) is fixedly connected between the spray head body (216) and the first extraction pump body (215). The inside of the device body (1) is fixedly connected with an air outlet (219) and an air inlet (220).
5. A demister for wet desulfurization according to claim 4, characterized in that: The first fixed shell (21) has a groove at the relative position of the closing plate (26), and the closing plate (26) is slidably connected inside the groove.
6. A demister for wet desulfurization according to claim 4, characterized in that: The second fixed shell (210) has a groove at the relative position of the sliding plate (213), and the sliding plate (213) is slidably connected inside the groove.
7. A demister for wet desulfurization according to claim 1, characterized in that: The spraying mechanism includes a second fixed outer casing (31), which is fixedly connected to the inside of the main body (1). A second extraction pump body (32) is fixedly connected to the top of the second fixed outer casing (31). A fixed bracket (33) is fixedly connected inside the main body (1). A first bevel gear (34) is rotatably connected inside the fixed bracket (33). A second connecting pipe (35) is fixedly connected inside the first bevel gear (34). A universal valve body (37) is provided at the top of the second connecting pipe (35). A third connecting pipe (36) is fixedly connected between the main body (37) and the second pump body (32). A third motor (38) is fixedly connected to the right side of the main body (1). A second fixing rod (39) is fixedly connected to the output end of the third motor (38). A second bevel gear (310) is fixedly connected to the outside of the second fixing rod (39). The second bevel gear (310) meshes with the outside of the first bevel gear (34). A connecting plate (311) is fixedly connected to the outside of the second connecting pipe (35). A nozzle (312) is fixedly connected to the bottom of the connecting plate (311).
8. A demister for wet desulfurization according to claim 7, characterized in that: The fixed bracket (33) has a slot at the relative position of the first bevel gear (34), and the first bevel gear (34) is rotatably connected inside the slot.