Device for purifying sulfur dioxide gas

By designing a purification unit and rotating components inside the tank to scrape off condensate, the problem of low condensation efficiency caused by condensate adhesion was solved, thus achieving efficient purification of sulfur dioxide gas.

CN224071567UActive Publication Date: 2026-04-03GUANGDONG LISO TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-29
Publication Date
2026-04-03

AI Technical Summary

Technical Problem

Poor condensation results in condensate adhering to the condenser tube wall and flowing slowly, leading to low condensation efficiency and affecting the efficiency and purity of the sulfur dioxide purification process.

Method used

A sulfur dioxide gas purification device was designed, comprising a tank, a support, a purification unit, and a rotating component. The liquid condensed on the inner wall of the ring is scraped off by a gantry rod, increasing the condensation surface area and enhancing heat exchange.

Benefits of technology

It improved condensation efficiency, shortened purification time, and increased the purity of sulfur dioxide.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of sulfur dioxide production, in particular to a sulfur dioxide gas purification device which comprises a base and further comprises a tank body, the tank body is fixedly connected to the top of the base, and a support is fixedly connected to the top of the base; the purification unit is arranged at the top of the support, the purification unit comprises a ring body, the ring body separates gas for condensation, the purification unit comprises a door-shaped rod and a rotating part, and the rotating part drives the door-shaped rod to scrape off condensed liquid on the inner wall of the ring body; according to the device for purifying the sulfur dioxide gas, the purification unit is arranged, so that the staying time of condensed and attached liquid on the inner walls of the ring bodies is shortened, the condensation efficiency is improved, meanwhile, the gas is separated by the ring bodies, the condensation surface area can be increased, and the condensation efficiency is improved. The contact distance between gas and a cold surface is shortened, so that the condensation efficiency is remarkably improved.
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Description

Technical Field

[0001] This utility model relates to the field of sulfur dioxide production technology, specifically to a device for purifying sulfur dioxide gas. Background Technology

[0002] The purification process of sulfur dioxide gas usually includes a condensation step. Sulfur dioxide gas often contains impurity gases. By cooling the mixed gas, the temperature is lowered. When the temperature drops below the boiling point of sulfur dioxide, the sulfur dioxide will liquefy, while some impurity gases remain in a gaseous state, thus achieving preliminary separation.

[0003] In the process of sulfur dioxide purification, the condensation stage is crucial. However, the current problem is the poor condensation effect. During the condensation operation, a large amount of condensate often adheres to the condenser tube wall instead of flowing smoothly. These adhering water droplets stay on the tube wall for a long time and flow very slowly, resulting in a significant reduction in condensation efficiency. Poor condensation effect will hinder the purification process of sulfur dioxide, not only prolonging the purification time but also affecting the purity of the purified sulfur dioxide. To address this, we propose a device for purifying sulfur dioxide gas. Utility Model Content

[0004] One of the technical problems this application aims to solve is the current problem of poor condensation effect. During condensation operation, condensate often adheres to the condenser tube wall in large quantities instead of flowing down smoothly. These adhered water droplets stay on the tube wall for a long time and flow very slowly, resulting in a significant reduction in condensation efficiency.

[0005] To address the aforementioned technical problems, this application provides an apparatus for purifying sulfur dioxide gas, including a base and further comprising:

[0006] The tank body is fixedly connected to the top of the base, and a bracket is fixedly connected to the top of the base;

[0007] A purification unit is disposed on the top of a support. The purification unit includes a ring body that separates and condenses gas. The purification unit includes a gate-shaped rod and a rotating component that drives the gate-shaped rod to scrape off the condensed liquid on the inner wall of the ring body.

[0008] In some embodiments, the purification unit includes a main body disposed within a support for separating and condensing gas, a rotating component disposed within the main body for scraping off liquid condensed on the inner wall of the ring, and a conveying component disposed at the bottom of the main body for inputting gas and outputting liquid.

[0009] In some embodiments, the main body includes a bottom barrel fixedly connected to a bracket, a top barrel fixedly connected to the top of the bottom barrel, a plurality of rings fixedly connected inside the bottom barrel, a plurality of convex rings fixedly connected to the bottom of the plurality of rings, and the plurality of rings and convex rings being equidistantly arranged.

[0010] In some embodiments, the rotating component includes a rotating disk rotatably connected inside the top barrel. A plurality of portal-shaped rods are fixedly connected to the bottom of the rotating disk, and these portal-shaped rods are respectively arranged between a plurality of rings. A motor is fixedly connected to the outer side of the top barrel. The driving end of the motor passes through the top barrel and is fixedly connected to a rotating rod. The end of the rotating rod is rotatably connected to the inner side of the top barrel. A worm gear is fixedly sleeved on the outside of the rotating rod. A worm wheel is fixedly connected to the top of the rotating disk, and the worm wheel meshes with the worm. The top of the worm wheel is rotatably connected to the inner top of the top barrel.

[0011] In some embodiments, the conveying component includes an input pipe fixedly inserted within a convex ring, a first connecting pipe fixedly connected to the bottom end of the input pipe, the bottom end of the first connecting pipe communicating with the tank body, an output pipe fixedly connected to the bottom of the convex ring, a second connecting pipe fixedly connected to the bottom end of the output pipe, and a discharge pipe fixedly connected to one end of the second connecting pipe.

[0012] In some embodiments, there are multiple input tubes and multiple output tubes, each corresponding to a multiple convex ring, and the multiple input tubes and multiple output tubes are arranged in a straight line.

[0013] In some embodiments, a cooler is fixedly connected to the top of the base, a cooling rod is fixedly connected to one of the rings, the ring is located at the innermost part of the plurality of rings, and a connecting line is fixedly connected between the cooling rod and the cooler.

[0014] This utility model has at least the following beneficial effects:

[0015] By setting up a purification unit, the gas condenses into liquid and adheres to the inner wall of the ring. Then, the drive unit is activated to drive multiple gantry rods to rotate as a whole. The gantry rods slide between the rings, which can smoothly scrape off the liquid condensed on the inner wall of the ring. The time that these adhered liquids stay on the inner wall of the ring is reduced, and the condensation efficiency is improved.

[0016] Meanwhile, the multiple rings separating the gas can increase the condensation surface area, shorten the contact distance between the gas and the cold surface, enhance heat exchange, and thus significantly improve condensation efficiency. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 2 This utility model Figure 1 The bottom view;

[0019] Figure 3 This is an exploded view of the present invention;

[0020] Figure 4 This utility model Figure 3 Enlarged view of point A;

[0021] Figure 5 This is a schematic diagram of the bottom structure of the bottom bucket of this utility model;

[0022] Figure 6 This is a schematic diagram of the top structure of the bottom bucket of this utility model.

[0023] In the diagram: 1. Base; 2. Tank; 3. Support; 4. Purification unit; 41. Main component; 411. Bottom tank; 412. Top tank; 413. Ring; 414. Convex ring; 42. Rotating component; 421. Rotating disk; 422. Portal rod; 423. Motor; 424. Rotating rod; 425. Worm gear; 426. Worm wheel; 43. Conveying component; 431. Input pipe; 432. First connecting pipe; 433. Output pipe; 434. Second connecting pipe; 435. Discharge pipe; 5. Cooler; 6. Cooling rod; 7. Connecting line. Detailed Implementation

[0024] 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 of ordinary skill in the art without creative effort are within the protection scope of the present utility model. Example 1

[0025] Please see Figures 1-6 This utility model provides a technical solution:

[0026] A device for purifying sulfur dioxide gas includes a base 1, and further includes a tank 2 and a purification unit 4 (in the prior art). The tank 2 is fixedly connected to the top of the base 1, and a support 3 is fixedly connected to the top of the base 1. The purification unit 4 is disposed on the top of the support 3. The purification unit 4 includes a ring 413, which separates the gas for condensation. The purification unit 4 includes a gate rod 422 and a rotating component 42, which drives the gate rod 422 to scrape off the liquid condensed on the inner wall of the ring 413.

[0027] The purification unit 4 includes a main body 41 disposed within the support 3 for separating and condensing gas. The main body 41 includes a bottom tank 411 fixedly connected within the support 3, a top tank 412 fixedly connected to the top of the bottom tank 411, a plurality of rings 413 fixedly connected inside the bottom tank 411, and a plurality of convex rings 414 fixedly connected to the bottom of the plurality of rings 413. The plurality of rings 413 and the convex rings 414 are equidistant from each other. The convex rings 414 have a concave top and convex bottom shape that can collect liquid and facilitate its outflow.

[0028] The main body 41 is provided with a rotating component 42 for scraping off the liquid condensed on the inner wall of the ring body 413. The rotating component 42 includes a rotating disk 421 rotatably connected to the top bucket 412. Multiple portal rods 422 are fixedly connected to the bottom of the rotating disk 421. The multiple portal rods 422 are respectively arranged between multiple ring bodies 413. A motor 423 is fixedly connected to the outside of the top bucket 412. The drive end of the motor 423 passes through the top bucket 412 and is fixedly connected to a rotating rod 424. The end of the rotating rod 424 is rotatably connected to the inside of the top bucket 412. A worm gear 425 is fixedly sleeved on the outside of the rotating rod 424. A worm wheel 426 is fixedly connected to the top of the rotating disk 421. The worm wheel 426 meshes with the worm gear 425. The top of the worm wheel 426 is rotatably connected to the inner top of the top bucket 412. The worm wheel 426 and the worm gear 425 are fully meshed. The worm gear 425 is supported by the rotating rod 424 to prevent tooth breakage.

[0029] The bottom of the main body 41 is provided with a conveying component 43 for inputting gas and outputting liquid. The conveying component 43 includes an input pipe 431 fixedly inserted into a convex ring 414. The bottom end of the input pipe 431 is fixedly connected to a first connecting pipe 432, and the bottom end of the first connecting pipe 432 is connected to the tank body 2. The bottom of the convex ring 414 is fixedly connected to an output pipe 433, and the bottom end of the output pipe 433 is fixedly connected to a second connecting pipe 434. One end of the second connecting pipe 434 is fixedly connected to a discharge pipe 435. There are multiple input pipes 431 and multiple output pipes 433, and the multiple input pipes 431 and multiple output pipes 433 correspond to multiple convex rings 414 respectively. The multiple input pipes 431 and multiple output pipes 433 are arranged in a straight line.

[0030] In use, the gas is first introduced into the space between multiple rings 413 through the tank 2, the first connecting pipe 432, and the input pipe 431. Then, the cooler 5 is started and the cooling rod 6 is connected to cool the gas, causing it to condense into liquid and adhere to the inner wall of the ring 413. Then, the motor 423 is started, which drives the rotating rod 424 to rotate, which in turn drives the worm gear 425 to rotate. The worm gear 425 drives the worm wheel 426 to rotate, which in turn drives multiple portal rods 422 to rotate as a whole. The portal rods 422 slide between the rings 413, which can smoothly scrape off the liquid condensed on the inner wall of the ring 413. The liquid is then discharged through the output pipe 433, the second connecting pipe 434, and the discharge pipe 435. Example 2

[0031] Please see Figures 1-2 This utility model provides a technical solution:

[0032] Unlike Embodiment 1, a cooler 5 is fixedly connected to the top of the base 1, and a cooling rod 6 is fixedly connected inside a ring 413. The ring 413 is located at the innermost part of the multiple rings 413. A connecting line 7 is fixedly connected between the cooling rod 6 and the cooler 5. The cooling rod 6 is located in the middle part of the multiple rings 413.

[0033] There is a gap between the top of the cooling rod 6 and the rotating disk 421, so the gas diffused out of the gap can be cooled, thereby condensing all the gas.

[0034] Start the cooler 5, which cools the cooling rod 6. After the cooling rod 6 is cooled, it will cool and condense the gas, and work with the purification unit 4 to condense and purify it.

[0035] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0036] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention.

Claims

1. An apparatus for purifying sulfur dioxide gas, comprising a base (1), characterized in that: It also includes: The tank (2) is fixedly connected to the top of the base (1), and the top of the base (1) is fixedly connected to the bracket (3). Purification unit (4) is located on top of support (3). Purification unit (4) includes a ring body (413) which separates and condenses the gas. Purification unit (4) includes a gate rod (422) and a rotating component (42). The rotating component (42) drives the gate rod (422) to scrape off the liquid condensed on the inner wall of the ring body (413).

2. The apparatus for purifying sulfur dioxide gas according to claim 1, characterized in that: The purification unit (4) includes a main body (41) disposed in the support (3) for separating and condensing the gas. A rotating part (42) is disposed in the main body (41) for scraping off the liquid condensed on the inner wall of the ring (413). A conveying part (43) is disposed at the bottom of the main body (41) for inputting gas and outputting liquid.

3. The apparatus for purifying sulfur dioxide gas according to claim 2, characterized in that: The main body (41) includes a bottom barrel (411) fixedly connected to the bracket (3), a top barrel (412) fixedly connected to the top of the bottom barrel (411), a plurality of rings (413) fixedly connected inside the bottom barrel (411), a plurality of convex rings (414) fixedly connected to the bottom of the plurality of rings (413), and the plurality of rings (413) and convex rings (414) are equidistantly arranged.

4. The apparatus for purifying sulfur dioxide gas according to claim 2, characterized in that: The rotating component (42) includes a rotating disk (421) rotatably connected inside the top barrel (412). The bottom of the rotating disk (421) is fixedly connected to a plurality of portal rods (422). The plurality of portal rods (422) are respectively arranged between a plurality of rings (413). A motor (423) is fixedly connected to the outside of the top barrel (412). The driving end of the motor (423) passes through the top barrel (412) and is fixedly connected to a rotating rod (424). The end of the rotating rod (424) is rotatably connected to the inside of the top barrel (412). A worm gear (425) is fixedly sleeved on the outside of the rotating rod (424). A worm wheel (426) is fixedly connected to the top of the rotating disk (421). The worm wheel (426) meshes with the worm gear (425). The top of the worm wheel (426) is rotatably connected to the inner top of the top barrel (412).

5. The apparatus for purifying sulfur dioxide gas according to claim 2, characterized in that: The conveying component (43) includes an input pipe (431) fixedly inserted inside a convex ring (414). The bottom end of the input pipe (431) is fixedly connected to a first connecting pipe (432). The bottom end of the first connecting pipe (432) is connected to the tank body (2). The bottom of the convex ring (414) is fixedly connected to an output pipe (433). The bottom end of the output pipe (433) is fixedly connected to a second connecting pipe (434). One end of the second connecting pipe (434) is fixedly connected to a discharge pipe (435).

6. The apparatus for purifying sulfur dioxide gas according to claim 5, characterized in that: The input tube (431) and output tube (433) are each configured as multiple, and the multiple input tubes (431) and output tubes (433) correspond to multiple convex rings (414) respectively. The multiple input tubes (431) and output tubes (433) are arranged in a straight line.

7. The apparatus for purifying sulfur dioxide gas according to claim 1, characterized in that: A cooler (5) is fixedly connected to the top of the base (1), and a cooling rod (6) is fixedly connected inside one of the rings (413). The position of the ring (413) is set at the innermost part of the multiple rings (413). A connecting line (7) is fixedly connected between the cooling rod (6) and the cooler (5).