An efficient hydrogen sulfide desulfurization resource integrated processing system

Abstract

The application relates to the technical field of gas treatment, in particular to a high-efficiency hydrogen sulfide desulfurization resource integrated processing system. 2+ The rich liquid of the absorption unit is connected with the rich liquid input end of the regeneration unit, the settling unit is used for separating the sulfur particles from the liquid, the liquid containing sulfur of the regeneration unit is connected with the input end of the settling unit, and the supernatant output end of the settling unit is connected with the input end of the absorption unit. Through the function division and ordered connection of the absorption unit, the regeneration unit and the settling unit, a circulation loop of absorption desulfurization, catalyst regeneration, sulfur growth, solid-liquid separation and catalyst reuse is realized, and the increase of the occupied area caused by the additional equipment is avoided.

Description

Technical Field

[0001] This invention relates to the field of gas treatment technology, and in particular to a resource-integrated treatment system for efficient hydrogen sulfide desulfurization. Background Technology

[0002] Hydrogen sulfide is a highly toxic, flammable, and acidic gas widely produced in industrial processes such as natural gas extraction, oil refining, coal chemical industry, and biogas fermentation. It poses a serious threat to human health; even extremely low concentrations can corrode equipment and pipelines, while high concentrations can lead to catalyst poisoning, hinder production processes, and accumulate in the air to the point of explosion, causing major safety accidents. Direct emissions will cause severe air pollution and environmental acidification. Therefore, efficient treatment of hydrogen sulfide is not only a necessary measure to ensure personnel safety and production continuity, but also a key link in meeting environmental regulations and achieving clean production.

[0003] Currently, hydrogen sulfide removal technologies mainly fall into two categories: dry desulfurization and wet desulfurization. Among them, chelated iron desulfurization technology has received widespread attention in recent years because it can convert hydrogen sulfide into elemental sulfur in one step under ambient temperature conditions, combining the dual advantages of high-efficiency purification and sulfur resource utilization.

[0004] However, the organic chelating agents in existing chelated iron desulfurization systems are irreversibly degraded in a continuous, highly oxidizing environment, and are easily encapsulated by sulfur or lost with the solution, directly leading to high reagent replenishment costs. Simultaneously, sulfur deposition within the system can cause equipment scaling, further exacerbating the operational and maintenance burden.

[0005] Because the separation of the settling zone inside the regeneration tower is incomplete, the traditional process must rely on an external independent settling and centrifugal dewatering system to treat the sulfur slurry in multiple stages. This causes the focus of investment and energy consumption to shift from desulfurization to sulfur control, resulting in a lengthy system, large footprint, and high operation and maintenance costs.

[0006] Traditional passive settling methods are extremely sensitive to fluctuations in feed gas flow rate and sulfur load. Separation efficiency fluctuates drastically with load changes, making it difficult to guarantee system stability. Furthermore, cyanide in the feed gas can permanently poison the catalyst, and the accumulation of byproduct salts from side reactions can cause solution foaming, corrosion, and efficiency reduction, further limiting the system's applicability and service life.

[0007] To address the aforementioned issues, some existing technologies have proposed improvements that enhance sulfur recovery by adding large external settling tanks and centrifuges. However, these solutions fail to resolve the fundamental contradiction between the rapid removal of sulfur from the regeneration tower and the prevention of blockages. Furthermore, the addition of external equipment further increases investment and land occupation. Summary of the Invention

[0008] The technical problem to be solved by this invention is to overcome the problem that the existing technology enhances sulfur recovery by adding external large settling tanks and centrifuges, but fails to solve the fundamental contradiction of rapid sulfur removal and anti-clogging in the regeneration tower. Moreover, the addition of external equipment further increases the investment and land occupation problem. This invention provides a resource-integrated treatment system for efficient hydrogen sulfide desulfurization.

[0009] The technical solution adopted by this invention to solve its technical problem is: a highly efficient integrated resource-based treatment system for hydrogen sulfide desulfurization, comprising an absorption unit, a regeneration unit, and a sedimentation unit. The absorption unit is used to generate sulfur- and Fe-rich products. 2+ Rich liquid, The regeneration unit is used to regenerate the desulfurization catalyst, achieve sulfur particle growth, and perform preliminary sulfur separation. The rich liquid output end of the absorption unit is connected to the rich liquid input end of the regeneration unit. The settling unit is used to separate sulfur particles from liquid. The sulfur-containing liquid output end of the regeneration unit is connected to the input end of the settling unit, and the supernatant output end of the settling unit is connected to the input end of the absorption unit. Through the functional division and orderly connection of the absorption unit, regeneration unit and settling unit, a circular loop of absorption desulfurization, catalyst regeneration and sulfur growth, solid-liquid separation and catalyst reuse is realized, and the increase in floor space caused by adding additional equipment is avoided.

[0010] To address the issues of uneven gas-liquid distribution, low mass transfer efficiency, incomplete desulfurization, and Fe content in the rich solution within the absorption tower... 2+ The problem of insufficient content is further addressed by the absorption unit, which includes an absorption tower. The lower part of the absorption tower has an air inlet for inputting sulfur-containing gas, the top of the absorption tower has a first waste gas outlet, the upper part of the absorption tower has a first liquid inlet connected to the supernatant output end of the settling unit, the bottom of the absorption tower has a first liquid outlet for outputting rich liquid, and several packing materials are arranged at intervals inside the absorption tower, with the packing materials located between the first liquid inlet and the air inlet.

[0011] To address the issues of liquid flow deviation along the tower wall and uneven cross-sectional distribution within the absorption tower, which leads to insufficient wetting of some packing material and reduced mass transfer efficiency, a liquid redistributor is further incorporated between adjacent packing materials.

[0012] To address the issue of sulfur-containing droplets entrained in the purified gas at the top of the absorption tower, leading to corrosion of downstream equipment or environmental pollution, a first demister is further installed at the first exhaust gas outlet.

[0013] To address the problems of low sulfur separation efficiency, easy clogging, reliance on complex external sulfur treatment equipment, and poor system stability in existing regeneration towers, a further design includes a regeneration unit comprising a regeneration tower, with a second exhaust gas outlet located at the top of the regeneration tower. The upper part of the regeneration tower has an air inlet and a second liquid inlet connected to the rich liquid output end of the absorption unit. The air inlet is located below the second liquid inlet. The regeneration tower has a second liquid outlet and a third liquid inlet for liquid input in the middle, with the third liquid inlet tangentially arranged on the regeneration tower. The bottom of the regeneration tower has a sulfur slurry outlet, which is connected to the input end of the settling unit; The regeneration tower is equipped with an overflow plate, a flow stabilizer plate, a flow guide cylinder, and a swirl generator cylinder. The flow stabilizer plate is fixedly connected to the regeneration tower and has several through holes. The flow guide cylinder is fixedly connected to the flow stabilizer plate, and its bottom passes through the flow stabilizer plate. The overflow plate is fixedly connected to the regeneration tower, and there is an overflow gap between the overflow plate and the regeneration tower. The overflow plate is located below the air inlet. The swirl generator cylinder is fixedly connected to the regeneration tower and is located below the flow stabilizer plate. The bottom of the swirl generator cylinder has a cylinder outlet that communicates with the bottom of the regeneration tower. The area between the overflow plate and the second liquid inlet is the gas-liquid reaction zone, the area between the overflow plate and the flow stabilizer is the sulfur growth zone, and the area between the flow stabilizer and the swirl generator is the swirl settling zone. The second liquid inlet is connected to the air inlet in the gas-liquid reaction zone. The overflow gap is connected to the gas-liquid reaction zone and the sulfur growth zone. The upper end of the guide tube is connected to the sulfur growth zone. The lower end of the guide tube is connected to the swirling sedimentation zone. The third liquid inlet is connected to the swirling sedimentation zone. The through hole is connected to the sulfur growth zone and the swirling sedimentation zone. The second liquid outlet is connected to the upper part of the sulfur growth zone. The second liquid outlet is connected to the input end of the absorption unit through a pipeline.

[0014] To address the issue of sulfur-containing liquid droplets entrained in the exhaust gas at the top of the regeneration tower, which could lead to air pollution or corrosion of downstream equipment, a second demister is further installed at the second exhaust gas outlet.

[0015] To address the issue of air bubbles entrained in the sulfur slurry after cyclone separation, which affects the smooth discharge of the sulfur slurry and the separation effect of the subsequent settling unit, a wire mesh demister is further incorporated into the regeneration tower, positioned between the cyclone generator and the sulfur slurry outlet.

[0016] To address the issues of unclear selection of settlement units, complex structures, and difficult maintenance, the settlement unit is further defined as a settlement trough.

[0017] The beneficial effects of the present invention are: The present invention provides a resource-integrated treatment system for efficient hydrogen sulfide desulfurization, which realizes a circular loop of absorption desulfurization, catalyst regeneration and sulfur growth, solid-liquid separation and catalyst reuse through the functional division and orderly connection of absorption unit, regeneration unit and sedimentation unit. By arranging the overflow plate, flow stabilizer, guide tube, and cyclone generator, the regeneration tower is divided into a gas-liquid reaction zone, a sulfur growth zone, and a cyclone settling zone, realizing an integrated arrangement of reaction, growth, and cyclone separation. The cyclone settling zone forms a cyclone field through tangential liquid inlet, and uses centrifugal force to quickly throw out the sulfur, fundamentally solving the sulfur blockage problem. Active anti-fluctuation control can also be achieved by adjusting the driving flow rate. Attached Figure Description

[0018] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0019] Figure 1 This is a schematic diagram of the structure of the present invention; Figure 2 This is an enlarged structural schematic diagram of the regeneration unit of the present invention.

[0020] In the diagram: 1. Absorption unit; 11. Absorption tower; 111. Air inlet; 112. First waste gas outlet; 113. First liquid inlet; 114. First liquid outlet; 12. Packing material; 13. Liquid redistributor; 14. First demister. 2. Regeneration unit, 21. Regeneration tower, 211. Second waste gas outlet, 212. Air inlet, 213. Second liquid inlet, 214. Third liquid inlet, 215. Sulfur slurry outlet, 216. Gas-liquid reaction zone, 217. Sulfur growth zone, 218. Swirl settling zone, 219. Second liquid outlet, 22. Overflow plate, 221. Overflow gap, 23. Flow stabilizer plate, 231. Through hole, 24. Guide tube, 25. Swirl generator tube, 251. Tube outlet, 26. Second demister, 27. Wire mesh demister; 3. Settling unit, 31. Settling tank. Detailed Implementation

[0021] The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, illustrating only the basic structure of the invention, and therefore only show the components relevant to the invention.

[0022] like Figure 1 This is a schematic diagram of the structure of the present invention, a highly efficient integrated resource-based treatment system for hydrogen sulfide desulfurization, comprising an absorption unit 1, a regeneration unit 2, and a sedimentation unit 3. Absorption unit 1 is used to generate sulfur- and Fe-rich products. 2+The rich liquid is absorbed by an absorption unit 1, which includes an absorption tower 11. The lower part of the absorption tower 11 has an air inlet 111 for inputting sulfur-containing gas, the top of the absorption tower 11 has a first waste gas outlet 112, the upper part of the absorption tower 11 has a first liquid inlet 113 connected to the supernatant output end of the settling unit 3, and the bottom of the absorption tower 11 has a first liquid outlet 114 for outputting the rich liquid. Several packing materials 12 are arranged at intervals inside the absorption tower 11. The packing materials 12 are located between the first liquid inlet 113 and the air inlet 111. Through the reverse contact method of the air inlet 111, the first liquid inlet 113, and the packing materials 12 inside the absorption tower 11, the gas-liquid contact area and mass transfer efficiency are greatly increased, ensuring that hydrogen sulfide is efficiently absorbed and oxidized, purifying the hydrogen sulfide concentration in the gas, and providing high-quality rich liquid for the regeneration unit 2. The rich liquid is a liquid containing sulfur and divalent iron ions.

[0023] The filler 12 can be made of polypropylene particles or ceramic particles, etc.

[0024] A liquid redistributor 13 is arranged between two adjacent packing materials 12 to make the liquid phase evenly redistributed on the cross section of the tower, eliminate wall flow and flow deviation, ensure that each layer of packing material 12 can be fully wetted, and improve the utilization rate of packing material 12 and the overall desulfurization efficiency.

[0025] A first demister 14 is installed at the first exhaust gas outlet 112. The first demister 14 effectively captures liquid droplets and sulfur foam entrained in the purified gas, ensuring the cleanliness of the discharged gas and avoiding secondary pollution and corrosion of downstream equipment.

[0026] Regeneration unit 2 is used to regenerate the desulfurization catalyst, achieve sulfur particle growth, and perform preliminary sulfur separation. The rich liquid output end of absorption unit 1 is connected to the rich liquid input end of regeneration unit 2. Regeneration unit 2 includes a regeneration tower 21, and a second waste gas outlet 211 is arranged at the top of regeneration tower 21. The regeneration tower 21 has an air inlet 212 at its upper part and a second liquid inlet 213 connected to the rich liquid output end of the absorption unit 1. The air inlet 212 is located below the second liquid inlet 213. The regeneration tower 21 has a second liquid outlet 219 and a third liquid inlet 214 for liquid input arranged in the middle. The third liquid inlet 214 is tangentially arranged on the regeneration tower 21. The bottom of the regeneration tower 21 has a sulfur slurry outlet 215, which is connected to the input end of the settling unit 3; The regeneration tower 21 is equipped with an overflow plate 22, a flow stabilizer plate 23, a flow guide cylinder 24, and a swirl generator cylinder 25. The flow stabilizer plate 23 is fixedly connected to the regeneration tower 21 and has several through holes 231. The flow guide cylinder 24 is fixedly connected to the flow stabilizer plate 23 and its bottom passes through the flow stabilizer plate 23. The overflow plate 22 is fixedly connected to the regeneration tower 21 and has an overflow gap 221 between it and the regeneration tower 21. The overflow plate 22 is located below the air inlet 212. The swirl generator cylinder 25 is fixedly connected to the regeneration tower 21 and is located below the flow stabilizer plate 23. The bottom of the swirl generator cylinder 25 has a cylinder outlet 251 that communicates with the bottom of the regeneration tower 21. The inner wall of the swirl generator cylinder 25 has a tapered structure that tapers from top to bottom and the angle of the inner wall of the swirl generator cylinder 25 is 60°-90°. The area between the overflow plate 22 and the second liquid inlet 213 is the gas-liquid reaction zone 216, the area between the overflow plate 22 and the flow stabilizer 23 is the sulfur growth zone 217, and the area between the flow stabilizer 23 and the swirl generator 25 is the swirl settling zone 218. The second liquid inlet 213 and air inlet 212 are connected to the gas-liquid reaction zone 216. The overflow gap 221 is connected to the gas-liquid reaction zone 216 and the sulfur growth zone 217. The upper end of the guide tube 24 is connected to the sulfur growth zone 217, and the lower end of the guide tube 24 is connected to the swirling sedimentation zone 218. The third liquid inlet 214 is connected to the swirling sedimentation zone 218. The through hole 231 is connected to the sulfur growth zone 217 and the swirling sedimentation zone 218. The second liquid outlet 219 is connected to the upper part of the sulfur growth zone 217. The second liquid outlet 219 is connected to the absorption unit through a pipeline. The input terminal of element 1 is connected, and through the arrangement of overflow plate 22, flow stabilizer 23, guide tube 24 and cyclone generator 25, the regeneration tower 21 is divided into gas-liquid reaction zone 216, sulfur growth zone 217 and cyclone settling zone 218, realizing an integrated arrangement of violent reaction, stable growth and cyclone separation. The cyclone settling zone 218 constructs a cyclone field by tangential liquid inlet, and uses centrifugal force to quickly throw out the sulfur, which fundamentally solves the sulfur blockage problem, simplifies the external sulfur treatment process, and can achieve active anti-fluctuation control by adjusting the drive flow rate.

[0027] A second demister 26 is installed at the second exhaust gas outlet 211 to effectively remove liquid droplets and sulfur foam entrained in the gas discharged from the regeneration tower 21, ensuring the environmental compliance of exhaust gas emissions. A wire mesh demister 27 is arranged inside the regeneration tower 21. The wire mesh demister 27 is arranged between the cyclone generator 25 and the sulfur slurry outlet 215. The wire mesh demister 27 effectively breaks and removes air bubbles entrained in the sulfur slurry, ensuring the continuous and stable discharge of sulfur slurry and improving the solid-liquid separation efficiency of the settling unit.

[0028] The settling unit 3 is used to separate sulfur particles and liquid. The sulfur-containing liquid output end of the regeneration unit 2 is connected to the input end of the settling unit 3, and the supernatant output end of the settling unit 3 is connected to the input end of the absorption unit 1. Through the functional division and orderly connection of the absorption unit 1, the regeneration unit 2 and the settling unit 3, a circular loop of absorption desulfurization, catalyst regeneration and sulfur growth, solid-liquid separation and catalyst reuse is realized, which improves the integration of the equipment.

[0029] Settling unit 3 is settling tank 31. Using settling tank 31 as the settling unit is simple in structure, convenient in operation and maintenance, and has a large settling area. It can effectively receive sulfur slurry from the regeneration tower and perform final quiet settling to obtain high-concentration sulfur slurry and clear overflow liquid, providing the system with high-quality circulating lean liquid and cyclone driving fluid. Working process: The feed gas containing hydrogen sulfide enters the absorption tower 11 through the inlet 111 at the bottom of the absorption tower 11. At the same time, the supernatant from the settling tank 31 of the settling unit 3 is the regenerated lean liquid, which is rich in Fe. 3+ The liquid enters the upper part of the absorption tower 11 through the first inlet 113. The lean liquid is sprayed downward and the raw gas flows upward. The liquid redistributor 13 arranged between two adjacent packings 12 can ensure that the liquid phase is evenly distributed on the cross section of the tower, avoid wall flow and deflection, ensure gas-liquid contact efficiency, and ensure that the liquid and gas have full counter-current contact in the packing area 12.

[0030] On the packing surface, hydrogen sulfide is absorbed by Fe in the lean solution. 3+ Oxidized to elemental sulfur, Fe 3+ Reduced to Fe 2+ .

[0031] The purified gas is discharged from the first exhaust gas outlet 112 at the top of the tower. After the first demister 14 removes entrained droplets, it is sent to the downstream section or directly discharged. The rich liquid, which has absorbed hydrogen sulfide and carries sulfur particles, contains Fe. 2+ It is discharged from the first outlet 114 at the bottom of the tower and sent to the regeneration tower 21 of the regeneration unit 2 through the pipeline.

[0032] The rich liquid enters the gas-liquid reaction zone 216 from the second inlet 213 at the top of the regeneration tower 21. Simultaneously, air or oxygen-enriched gas is blown into the gas-liquid reaction zone 216 from the air inlet 212. Within the gas-liquid reaction zone 216, the gas and liquid undergo intense turbulent contact, and the Fe in the rich liquid... 2+ It is oxidized and regenerated into Fe by oxygen in the air. 3+ Meanwhile, the residual hydrogen sulfide in the solution continues to be oxidized to generate elemental sulfur.

[0033] Carrying a large amount of sulfur microcrystals and regenerated Fe 3+The mixture flows downward from the gas-liquid reaction zone 216 into the sulfur growth zone 217 through the overflow gap 221 between the overflow plate 22 and the tower wall of the regeneration tower 21.

[0034] Within the sulfur growth zone 217, due to the obstruction and guiding effect of the overflow plate 22, the turbulent disturbances from the upper gas-liquid reaction zone are significantly dissipated, and the liquid descent velocity is significantly reduced. Under this low shear force environment, the tiny sulfur crystal nuclei in the solution gain sufficient residence time, and through continuous collision and adsorption, they agglomerate and grow into larger sulfur particles, creating favorable conditions for subsequent cyclone separation.

[0035] The sulfur-containing mixture continues to flow downwards after it has grown, and part of it enters the swirling settling zone 218 through the through hole 231 on the flow stabilizer plate 23.

[0036] Within the swirling settling zone 218, the supernatant clarified liquid, drawn from the settling tank 31 of the settling unit 3 by an external circulation pump, is tangentially injected into the swirling generator cylinder 25 through the third inlet 214. The high-speed liquid flow injected tangentially creates a strong rotating flow field within the swirling generator cylinder 25. After the mixture containing sulfur particles enters this swirling field, under the action of centrifugal force, the denser sulfur particles are instantly thrown towards the inner wall of the swirling generator cylinder 25 and spiral down along the wall, eventually being discharged from the outlet 251 at the bottom of the swirling generator cylinder 25 to the bottom of the regeneration tower 21, and then sent to the settling unit 3 through the sulfur slurry outlet 215.

[0037] The clear liquid in the central region of the swirling flow field is rich in regenerated Fe. 3+ The clarified liquid moves upward under the pressure difference, enters the guide tube 24, and returns upward along the guide tube 24 to the upper part of the sulfur growth zone 217. Finally, it returns to the absorption tower 11 of the absorption unit 1 through the second outlet 219 via pipeline, and is used as lean liquid for recycling. Some of the clarified liquid can also overflow from the upper end of the guide tube 24 and participate in the liquid circulation in the upper part of the sulfur growth zone 217.

[0038] The through holes 231 on the flow stabilizer plate 23 connect the sulfur growth zone 217 and the swirling settling zone 218, while also serving to distribute the liquid evenly and further dissipate kinetic energy, ensuring that the fluid entering the swirling settling zone is stable and controllable.

[0039] The sulfur slurry discharged from the sulfur slurry outlet 215 of the regeneration tower 21 enters the settling tank 31 of the settling unit 3. In the settling tank 31, due to the significant reduction in flow rate and disturbance, final quiet gravity settling takes place.

[0040] The concentrated sulfur slurry at the bottom of settling tank 31 is periodically discharged and sent to subsequent dewatering equipment for further dewatering, ultimately yielding sulfur cake and realizing the recycling of sulfur resources.

[0041] The upper part of settling tank 31 is rich in Fe 3+Most of the clarified overflow liquid is pumped back to the absorption tower 11 for circulating desulfurization by the circulating pump, and a small portion is pressurized and sent to the third inlet 214 of the regeneration tower 21 as the driving fluid for the swirling settling zone 218.

[0042] Throughout the process, the waste gas generated in the regeneration tower 21 is discharged from the second waste gas outlet 211 at the top of the tower. After the entrained liquid droplets are removed by the second demister 26, it is discharged into the atmosphere or sent to the subsequent treatment unit. The wire mesh demister 27 arranged below the cyclone generator 25 can further remove the air bubbles entrained with the sulfur slurry, ensuring the smooth discharge of the sulfur slurry and the separation effect of the settling unit 3.

[0043] Based on the above-described preferred embodiments of the present invention, and through the foregoing description, those skilled in the art can make various changes and modifications without departing from the inventive concept. The technical scope of this invention is not limited to the contents of the specification, but must be determined according to the scope of the claims.

Claims

1. A highly efficient integrated resource-based treatment system for hydrogen sulfide desulfurization, characterized in that, It includes an absorption unit (1), a regeneration unit (2), and a sedimentation unit (3). The absorption unit (1) is used to generate sulfur- and Fe-rich products. 2+ Rich liquid, The regeneration unit (2) is used to regenerate the desulfurization catalyst, achieve the growth of sulfur particles, and perform preliminary separation of sulfur. The rich liquid output end of the absorption unit (1) is connected to the rich liquid input end of the regeneration unit (2). The settling unit (3) is used to separate sulfur particles and liquid. The sulfur-containing liquid output end of the regeneration unit (2) is connected to the input end of the settling unit (3), and the supernatant output end of the settling unit (3) is connected to the input end of the absorption unit (1).

2. The resource-based integrated treatment system for high-efficiency hydrogen sulfide desulfurization as described in claim 1, characterized in that: The absorption unit (1) includes an absorption tower (11), the lower part of which has an air inlet (111) for inputting sulfur-containing gas, the top of which has a first waste gas outlet (112), the upper part of which has a first liquid inlet (113) connected to the supernatant output end of the settling unit (3), the bottom of which has a first liquid outlet (114) for outputting rich liquid, and a number of packing materials (12) are arranged at intervals inside the absorption tower (11), the packing materials (12) being located between the first liquid inlet (113) and the air inlet (111).

3. The resource-based integrated treatment system for high-efficiency hydrogen sulfide desulfurization as described in claim 2, characterized in that: A liquid redistributor (13) is arranged between two adjacent packings (12).

4. The resource-based integrated treatment system for high-efficiency hydrogen sulfide desulfurization as described in claim 2, characterized in that: A first demister (14) is installed at the first exhaust gas outlet (112).

5. The resource-based integrated treatment system for high-efficiency hydrogen sulfide desulfurization as described in claim 1, characterized in that: The regeneration unit (2) includes a regeneration tower (21), and a second exhaust gas outlet (211) is arranged at the top of the regeneration tower (21). The regeneration tower (21) has an air inlet (212) at its upper part and a second liquid inlet (213) connected to the rich liquid output end of the absorption unit (1). The air inlet (212) is located below the second liquid inlet (213). The regeneration tower (21) is provided with a second liquid outlet (219) and a third liquid inlet (214) for liquid input in the middle, and the third liquid inlet (214) is tangentially arranged on the regeneration tower (21); The regeneration tower (21) has a sulfur slurry outlet (215) at the bottom, and the sulfur slurry outlet (215) is connected to the input end of the settling unit (3); The regeneration tower (21) is equipped with an overflow plate (22), a flow stabilizer plate (23), a flow guide cylinder (24), and a vortex generator cylinder (25). The flow stabilizer plate (23) is fixedly connected to the regeneration tower (21). The flow stabilizer plate (23) has several through holes (231). The flow guide cylinder (24) is fixedly connected to the flow stabilizer plate (23), and the bottom of the flow guide cylinder (24) passes through the flow stabilizer plate (23). The overflow plate (22) is fixedly connected to the regeneration tower (21), and there is an overflow gap (221) between the overflow plate (22) and the regeneration tower (21). The overflow plate (22) is located below the air inlet (212). The vortex generator cylinder (25) is fixedly connected to the regeneration tower (21). The vortex generator cylinder (25) is located below the flow stabilizer plate (23). The bottom of the vortex generator cylinder (25) has a cylinder outlet (251) that communicates with the bottom of the regeneration tower (21). The area between the overflow plate (22) and the second liquid inlet (213) is the gas-liquid reaction zone (216), the area between the overflow plate (22) and the flow stabilizer (23) is the sulfur growth zone (217), and the area between the flow stabilizer (23) and the swirl generator (25) is the swirl settling zone (218). The second liquid inlet (213) and the air inlet (212) are connected to the gas-liquid reaction zone (216). The overflow gap (221) is connected to the gas-liquid reaction zone (216) and the sulfur growth zone (217). The upper end of the guide tube (24) is connected to the sulfur growth zone (217). The lower end of the guide tube (24) is connected to the swirling sedimentation zone (218). The third liquid inlet (214) is connected to the swirling sedimentation zone (218). The through hole (231) is connected to the sulfur growth zone (217) and the swirling sedimentation zone (218). The second liquid outlet (219) is connected to the upper part of the sulfur growth zone (217). The second liquid outlet (219) is connected to the input end of the absorption unit (1) through a pipeline.

6. The resource-based integrated treatment system for high-efficiency hydrogen sulfide desulfurization as described in claim 5, characterized in that: A second demister (26) is installed at the second exhaust outlet (211).

7. The resource-based integrated treatment system for high-efficiency hydrogen sulfide desulfurization as described in claim 5, characterized in that: A wire mesh demister (27) is arranged inside the regeneration tower (21), and the wire mesh demister (27) is arranged between the cyclone generator (25) and the sulfur slurry outlet (215).

8. The resource-based integrated treatment system for high-efficiency hydrogen sulfide desulfurization as described in claim 1, characterized in that: The settling unit (3) is a settling tank (31).

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