Sulfuric acid drying demister device

The sulfuric acid drying demister device, designed with insert plates and gears, solves the problems of difficult replacement and surface residue caused by fixed demisters, enabling quick disassembly and thorough cleaning, thus improving production efficiency and demister effect.

CN223930917UActive Publication Date: 2026-02-24HUNAN HENGYANG JINYI TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520340644.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-28
Publication Date
2026-02-24
Estimated Expiration
2035-02-28

AI Technical Summary

Technical Problem

The fixed demister in the existing sulfuric acid drying demister device makes replacement difficult, and the residual sulfuric acid on the demister surface after demistering affects the demistering effect for the next time.

Method used

The design employs a plate and gear to enable quick disassembly and cleaning of the wire mesh demister. The quick-release mechanism and cleaning mechanism simplify the replacement process, and comprehensive cleaning is achieved by adjusting the angle of the spray pipe and nozzle.

Benefits of technology

It enables quick replacement and thorough cleaning of the demister, reduces production downtime, and ensures the stability and efficiency of the demister effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a sulfuric acid drying demister device, which relates to the technical field of chemical separation, and comprises a bottom plate, the outer wall of the top of the bottom plate is fixedly connected with a fixing frame, the outer wall of the fixing frame is fixedly connected with a demisting box, the inner wall of the top of the demisting box is provided with a smoke outlet, and the top of the demisting box is provided with a smoke outlet. The inner wall of the bottom of the demisting box is provided with a flow guide pipe, the outer wall of the top of the bottom plate is fixedly connected with a collecting box, the inserting plate is arranged, when the inserting plate is completely pulled away from the sliding groove, the spring which is originally extruded due to inward contraction of the sliding rod can be released, the spring can generate outward expansion and rebounding force after being released, and therefore the demisting effect is improved. At the moment, a second fixing block retracts outwards under the influence of a spring, and when the second fixing block retracts outwards, a first sliding rod is driven to retract outwards, so that the effect of quickly disassembling the silk screen demister is achieved, and the situation that the production efficiency is reduced due to the fact that the downtime of equipment is too long when the silk screen demister is damaged is prevented.
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Description

Technical Field

[0001] This utility model belongs to the field of chemical separation technology, and in particular relates to a sulfuric acid drying and demister device. Background Technology

[0002] Sulfuric acid is widely used as an important raw material or reaction medium in many industrial fields such as chemical, metallurgical, and electronic industries. During the production, storage, or use of sulfuric acid, a large amount of water is often present. The presence of water not only affects the concentration and quality of sulfuric acid, but may also cause a series of problems such as corrosion of equipment and interference with the chemical reaction process. Therefore, drying sulfuric acid is of utmost importance.

[0003] Most existing equipment uses fixed demisters, which makes it difficult to replace them when they are damaged, thus affecting production efficiency. In addition, sulfuric acid residue remains on the surface of the demister after demisting, which greatly affects the effect of the next demisting. Utility Model Content

[0004] The purpose of this invention is to provide a sulfuric acid drying demister device. By using a plate and gears, it solves the problems that most demisters in existing equipment are fixed, which makes it difficult to replace when the demister is damaged, thus affecting production efficiency. In addition, sulfuric acid remains on the surface of the demister after demisting, which greatly affects the effect of the next demisting.

[0005] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0006] This utility model relates to a sulfuric acid drying demister device, comprising a base plate, a fixing frame fixedly connected to the top outer wall of the base plate, a demister box fixedly connected to the outer wall of the fixing frame, a smoke outlet opened on the top inner wall of the demister box, a guide pipe opened on the bottom inner wall of the demister box, a collection box fixedly connected to the top outer wall of the base plate, and a smoke inlet opened on the inner wall of the base plate.

[0007] The inner wall of the demister box is equipped with a quick-release mechanism, which includes a fixed frame. The outer wall of the fixed frame is fixedly connected to the inner wall of the demister box. A wire mesh demister is snapped into the inner wall of the fixed frame. A second sliding groove is formed in the inner wall of the fixed frame. Several sliders are fixedly connected to the outer wall of the wire mesh demister. The outer walls of the sliders are slidably connected to the inner wall of the second sliding groove. Several sliding grooves are formed in the inner wall of the fixed frame. Fixed blocks are fixedly connected to the inner walls of the sliding grooves. Sliding rods are slidably connected to the inner walls of the fixed blocks. Springs are sleeved on the outer walls of the sliding rods. Fixed blocks are fixedly connected to the outer walls of the sliding rods. The outer walls of the fixed blocks are slidably connected to the inner walls of the sliding grooves. The outer walls of the sliding rods are slidably connected to the inner walls of the sliders. Insert plates are slidably connected to the inner walls of the sliding grooves. A cleaning mechanism is provided on the top outer wall of the bottom plate.

[0008] Furthermore, the cleaning mechanism includes a water storage tank, the bottom outer wall of which is fixedly connected to the top outer wall of the base plate, a fixing box is fixedly connected to the outer wall of the demisting box, a water pump is fixedly connected to the top outer wall of the base plate, a connecting pipe is fixedly connected to the bottom output end of the water pump, the outer wall of the connecting pipe away from the water pump is fixedly connected to the inner wall of the water storage tank, and a delivery pipe is fixedly connected to the inner wall of the water pump away from the connecting pipe.

[0009] Furthermore, a bend is fixedly connected to the outer wall of the end of the delivery pipe away from the water pump, and several spray pipes are rotatably connected to the outer wall of the end of the bend away from the delivery pipe.

[0010] Furthermore, several spray pipes are fixedly connected to the inner walls of their respective spray pipes, and the spray pipes penetrate the demister box and the fixing box to the inner wall.

[0011] Furthermore, a gear is fixedly connected to the outer wall of the end of the spray pipe near the fixed box, and several slide rails are fixedly connected to the inner wall of the fixed box.

[0012] Furthermore, a sliding plate is slidably connected to the outer wall of one of the slide rails away from the fixed box, and a rack is fixedly connected to the outer wall of one of the sliding plates away from the slide rails.

[0013] Furthermore, the rack and gear are meshed together, and an electric actuator is fixedly connected to the inner wall of the fixed box.

[0014] Furthermore, a fixing plate is fixedly connected to the bottom output end of the electric actuator, and the fixing plate is fixedly connected to the outer wall of several racks.

[0015] This utility model has the following beneficial effects:

[0016] 1. This utility model incorporates an insert plate. When the insert plate is completely removed from the slide groove, the spring that was originally compressed by the inward contraction of the slide rod is released. After being released, the spring generates an outward expansion and rebound force. At this time, the second fixing block is affected by the spring and will retract outward. When the second fixing block retracts outward, it will drive the slide rod to retract outward as well, achieving the effect of quick disassembly of the wire mesh demister. This prevents the equipment from being shut down for too long when the wire mesh demister is damaged, thereby reducing production efficiency.

[0017] 2. This utility model incorporates a gear mechanism. Upon activation of the electric actuator, the rack moves up and down, causing the gear to rotate. This rotation, in turn, rotates the spray pipe, changing its spray angle. The spray pipe then comprehensively sprays the wire mesh demister, preventing sulfuric acid from adhering to its surface. The adjustable spray angle ensures the cleaning solution fully covers all parts of the demister, leaving no place for dirt to hide, thus achieving a more thorough cleaning and effectively removing sulfuric acid droplets, impurities, salt, and other dirt accumulated on the demister during the sulfuric acid drying process.

[0018] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0019] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments 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.

[0020] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0021] Figure 2 This is a cross-sectional view of the overall structure of this utility model;

[0022] Figure 3 This is a schematic diagram of the slide groove structure of this utility model;

[0023] Figure 4 This utility model Figure 3 Enlarged view of point A in the middle;

[0024] Figure 5 This is a schematic diagram of the gear structure of this utility model;

[0025] Figure 6 This utility model Figure 5 Enlarged view of section B in the middle.

[0026] The attached diagram lists the components represented by each number as follows:

[0027] 1. Base plate; 101. Fixing frame; 102. Demister box; 103. Smoke outlet; 104. Guide pipe; 105. Collection box; 106. Smoke inlet; 2. Quick release mechanism; 201. Fixing frame; 202. Wire mesh demister; 203. Slide groove; 204. Slide groove two; 205. Sliding block; 206. Slide rod; 207. Fixing block; 208. Spring; 209. Fixing block two; 210. Insert plate; 3. Cleaning mechanism; 301. Water storage tank; 302. Connecting pipe; 303. Water pump; 304. Delivery pipe; 305. Bend; 306. Spray pipe; 307. Nozzle; 308. Fixing box; 309. Gear; 310. Slide rail; 311. Slide plate; 312. Rack; 313. Fixing plate; 314. Electric actuator. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0029] Please see Figure 1-6 As shown, this utility model is a sulfuric acid drying demister device, including a base plate 1, a fixing frame 101 fixedly connected to the top outer wall of the base plate 1, a demister box 102 fixedly connected to the outer wall of the fixing frame 101, a smoke outlet 103 opened on the top inner wall of the demister box 102, a guide pipe 104 opened on the bottom inner wall of the demister box 102, a collection box 105 fixedly connected to the top outer wall of the base plate 1, and a smoke inlet 106 opened on the inner wall of the base plate 1. The mist generated by sulfuric acid enters the demister box 102 through the smoke inlet 106, is demisted, and is discharged through the smoke outlet 103.

[0030] The inner wall of the demister box 102 is provided with a quick-release mechanism 2, which includes a fixed frame 201. The outer wall of the fixed frame 201 is fixedly connected to the inner wall of the demister box 102. A wire mesh demister 202 is engaged with the inner wall of the fixed frame 201. A second sliding groove 204 is provided on the inner wall of the fixed frame 201. Several sliders 205 are fixedly connected to the outer wall of the wire mesh demister 202. The outer walls of the sliders 205 are slidably connected to the inner wall of the second sliding groove 204. Several sliding grooves 203 are provided on the inner wall of the fixed frame 201. Fixed blocks 207 are fixedly connected to the inner walls of the sliding grooves 203. Sliding rods 206 are slidably connected to the inner walls of the fixed blocks 207. The wire mesh demister 202 is engaged into the second sliding groove 204 by the sliders 205. In section 04, the slide rods 206 are used for clamping and fixing. Springs 208 are sleeved on the outer walls of several slide rods 206. Fixing blocks 209 are fixedly connected to the outer walls of several slide rods 206. The outer walls of several fixing blocks 209 are slidably connected to the inner walls of the slide grooves 203. The outer walls of several slide rods 206 are slidably connected to the inner walls of the sliders 205. When the insert plate 210 is inserted into the slide grooves 203, it will press the two sets of slide rods 206 in two different directions. At this time, the fixing blocks 209 on the slide rods 206 will move together. During the movement, the springs 208 will be pressed. The insert plate 210 is slidably connected to the inner walls of several slide grooves 203. A cleaning mechanism 3 is provided on the top outer wall of the bottom plate 1.

[0031] The staff pulls the insert plate 210 upwards, at which point the spring 208, which was originally compressed, will rebound. The slide rod 206 will then be reset by the force of the spring 208. When the slide rod 206 is reset, the end that was originally stuck in the inner wall of the slider 205 will be pulled out, thus releasing the limitation on the slider 205. Then the wire mesh demister 202 can be removed and replaced.

[0032] The cleaning mechanism 3 includes a water storage tank 301, the bottom outer wall of which is fixedly connected to the top outer wall of the base plate 1. A fixing box 308 is fixedly connected to the outer wall of the defogging box 102. A water pump 303 is fixedly connected to the top outer wall of the base plate 1. A connecting tank 302 is fixedly connected to the bottom output end of the water pump 303. The outer wall of the connecting tank 302 away from the water pump 303 is fixedly connected to the inner wall of the water storage tank 301. A delivery pipe 304 is fixedly connected to the inner wall of the water pump 303 away from the connecting tank 302. When the water pump 303 starts, it draws water from the water storage tank 301 through the connecting pipe 302, and then transmits it to the bend pipe 305 through the delivery pipe 304. 4. A bend 305 is fixedly connected to the outer wall of the end away from the water pump 303. Several spray pipes 306 are rotatably connected to the outer wall of the end of the bend 305 away from the delivery pipe 304. Spray nozzles 307 are fixedly connected to the inner wall of the several spray pipes 306. The spray is then transmitted from the bend 305 to the spray pipes 306 and sprayed onto the wire mesh demister 202 through the spray nozzles 307. The spray pipes 306 pass through the demister box 102 and the fixed box 308 to the inner wall. A gear 309 is fixedly connected to the outer wall of the end of the spray pipe 306 near the fixed box 308. The rotation of the gear 309 will drive the spray pipe 306 to rotate. Several slide rails 310 and water pump 303 are fixedly connected to the inner wall of the fixed box 308.

[0033] When the operator starts the machine, water is drawn from the storage tank 301 through the connecting pipe 302, then transported through the conveying pipe 304 to the bend pipe 305, and then from the bend pipe 305 to the spray pipe 306. The spray is then applied to the wire mesh demister 202 through the nozzle 307 to prevent sulfuric acid residue from remaining on the wire mesh demister 202 and thus damaging it.

[0034] A slide plate 311 is slidably connected to the outer wall of several slide rails 310 away from the fixed box 308. A rack 312 is fixedly connected to the outer wall of several slide plates 311 away from the slide rails 310. The rack 312 is meshed with a gear 309. An electric push rod 314 is fixedly connected to the inner wall of the fixed box 308. The electric push rod 314 drives the rack 312 to move, and the rack 312 drives the gear 309 to rotate. When the gear 309 rotates, it drives the spray pipe 306 to rotate. A fixed plate 313 is fixedly connected to the bottom output end of the electric push rod 314. The fixed plate 313 is fixedly connected to the outer wall of several racks 312.

[0035] When the staff starts the electric actuator 314, the electric actuator 314 will drive the rack 312 to slide on the slide rail 310 via the slide plate 311. When the rack 312 slides, it will drive the gear 309 to rotate. When the gear 309 rotates, it will drive the spray pipe 306 to rotate. At this time, the spray angle of the spray pipe 306 can be adjusted.

[0036] One specific application of this embodiment is:

[0037] When the equipment is needed, the sulfuric acid mist first enters the demister 102 through the inlet 106, is demisted, and then exits through the outlet 103. When the wire mesh demister 202 is damaged, the insert plate 210 can be pulled upwards. When the insert plate 210 is completely pulled out of the slide groove 203, the spring 208, which was originally compressed by the inward contraction of the slide rod 206, will be released. After being released, the spring 208 will generate an outward expansion and rebound force. At this time, the fixing block 209 will retract outwards due to the influence of the spring 208. When the fixing block 209 retracts outwards, it will drive the slide rod 206 to retract outwards as well. At this time, the end that was originally stuck inside the slider 205 will be completely pulled out. At this time, the slider 205 is in the unlocked state. At this time, simply lift the wire mesh demister 202 upwards to completely disengage the slider 205 from the slide groove 204 to remove the wire mesh demister 202 and demist the sulfuric acid flue gas. Upon completion, sulfuric acid residue will remain on the wire mesh demister 202. This residue can affect the demister's performance in subsequent cycles. To resolve this, simply activate the water pump 303. The pump will draw water from the storage tank 301 via the connecting pipe 302, then transfer it through the delivery pipe 304 to the bend pipe 305, and finally to the spray pipe 306. The spray pipe 306 will then spray water onto the wire mesh demister 202 through the nozzles 307. 2. Perform spray cleaning, then start the electric actuator 314. When the electric actuator 314 starts, it will pull the rack 312 to move up and down. At this time, the rack 312 will drive the gear 309 to rotate. When the gear 309 rotates, it will drive the spray pipe 306 to rotate. At this time, the spray pipe 306 will change the spray angle due to the rotation. At this time, the spray pipe 306 will spray the wire mesh demister 202 thoroughly to prevent sulfuric acid from adhering to the surface of the wire mesh demister 202.

[0038] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0039] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A sulfuric acid drying demister device, comprising a base plate (1), characterized in that: A fixing frame (101) is fixedly connected to the top outer wall of the base plate (1), a demister box (102) is fixedly connected to the outer wall of the fixing frame (101), a smoke outlet (103) is opened on the top inner wall of the demister box (102), a guide pipe (104) is opened on the bottom inner wall of the demister box (102), a collection box (105) is fixedly connected to the top outer wall of the base plate (1), and a smoke inlet (106) is opened on the inner wall of the base plate (1). The inner wall of the demister box (102) is provided with a quick-release mechanism (2). The quick-release mechanism (2) includes a fixed frame (201). The outer wall of the fixed frame (201) is fixedly connected to the inner wall of the demister box (102). A wire mesh demister (202) is snapped into the inner wall of the fixed frame (201). A second sliding groove (204) is opened on the inner wall of the fixed frame (201). A plurality of sliders (205) are fixedly connected to the outer wall of the wire mesh demister (202). The outer walls of the plurality of sliders (205) are slidably connected to the inner wall of the second sliding groove (204). A plurality of sliding grooves (203) are opened on the inner wall of the fixed frame (201). The inner wall of the groove (203) is fixedly connected to a fixing block (207), the inner walls of several fixing blocks (207) are slidably connected to a sliding rod (206), the outer walls of several sliding rods (206) are fitted with springs (208), the outer walls of several sliding rods (206) are fixedly connected to a second fixing block (209), the outer walls of several second fixing blocks (209) are slidably connected to the inner wall of the groove (203), the outer walls of several sliding rods (206) are slidably connected to the inner wall of the slider (205), the inner walls of several grooves (203) are slidably connected to an insert plate (210), and the top outer wall of the bottom plate (1) is provided with a cleaning mechanism (3).

2. The sulfuric acid drying demister device according to claim 1, characterized in that, The cleaning mechanism (3) includes a water storage tank (301), the bottom outer wall of the water storage tank (301) is fixedly connected to the top outer wall of the base plate (1), the outer wall of the demisting box (102) is fixedly connected to a fixing box (308), the top outer wall of the base plate (1) is fixedly connected to a water pump (303), the bottom output end of the water pump (303) is fixedly connected to a connecting pipe (302), the outer wall of the connecting pipe (302) away from the water pump (303) is fixedly connected to the inner wall of the water storage tank (301), and the inner wall of the water pump (303) away from the connecting pipe (302) is fixedly connected to a conveying pipe (304).

3. The sulfuric acid drying demister device according to claim 2, characterized in that, A bend (305) is fixedly connected to the outer wall of the end of the delivery pipe (304) away from the water pump (303), and a number of spray pipes (306) are rotatably connected to the outer wall of the end of the bend (305) away from the delivery pipe (304).

4. The sulfuric acid drying demister device according to claim 3, characterized in that, Spray nozzles (307) are fixedly connected to the inner walls of several spray pipes (306), and the spray pipes (306) pass through the demister box (102) and the fixing box (308) to the inner wall.

5. A sulfuric acid drying demister device according to claim 4, characterized in that, A gear (309) is fixedly connected to the outer wall of one end of the spray pipe (306) near the fixed box (308), and several slide rails (310) are fixedly connected to the inner wall of the fixed box (308).

6. The sulfuric acid drying demister device according to claim 5, characterized in that, A slide plate (311) is slidably connected to the outer wall of one of the slide rails (310) away from the fixed box (308), and a rack (312) is fixedly connected to the outer wall of one of the slide plates (311) away from the slide rail (310).

7. A sulfuric acid drying demister device according to claim 6, characterized in that, The rack (312) is meshed with the gear (309), and an electric push rod (314) is fixedly connected to the inner wall of the fixed box (308).

8. A sulfuric acid drying demister device according to claim 7, characterized in that, The bottom output end of the electric actuator (314) is fixedly connected to a fixing plate (313), and the fixing plate (313) is fixedly connected to the outer wall of a plurality of racks (312).