A wet chemical desulfurization regeneration tank
By introducing structures such as angle adjustment tubes and limit blocks into the wet chemical desulfurization regeneration tank, the problem of the absorption alkali solution inlet pipe being unable to be adjusted was solved, the stirring effect and residence time control were improved, and more efficient hydrogen sulfide removal was achieved.
Patent Information
- Application Number
- CN202110679996.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2021-06-18
- Publication Date
- 2025-09-23
- Estimated Expiration
- 2041-06-18
AI Technical Summary
The angle and height of the absorption alkali solution inlet pipe on the existing wet chemical desulfurization device cannot be adjusted, resulting in reduced stirring effect and inability to control the residence time of the hydrogen sulfide absorption solution in the aeration zone.
A wet chemical desulfurization regeneration tank was designed. By setting up structures such as angle adjustment tubes, folding tubes, threaded rods and limit sleeves, the angle and height of the absorption alkali solution inlet pipe can be adjusted to ensure sealing, and the residence time of the absorption liquid can be controlled by the limit block.
The stirring effect is improved, the residence time of the absorption liquid in the aeration zone is ensured to be adjustable, and the reaction control capability is enhanced.
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Figure CN113403118B_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of wet redox desulfurization, in particular to a wet chemical desulfurization regeneration tank. Background Art
[0002] The hydrogen sulfide contained in the gas is corrosive to storage devices and transportation pipelines, so the hydrogen sulfide must be removed before the gas is used.
[0003] Currently, two commonly used chemical hydrogen sulfide removal technologies are dry and wet processes. Dry chemical desulfurization offers high precision, reliable desulfurization efficiency, and high stability. However, dry chemical desulfurizers have a limited service life and require timely regeneration and replacement. This is cumbersome to operate and can easily cause secondary pollution, making them unsuitable for desulfurization of biogas containing high concentrations of hydrogen sulfide. Wet chemical desulfurization, on the other hand, is suitable for biogas containing high concentrations of hydrogen sulfide and features a high degree of automation and ease of operation.
[0004] The existing wet chemical desulfurization device still has defects. The absorption alkali solution inlet pipe on the existing wet chemical desulfurization device cannot be adjusted in angle according to its own size, resulting in reduced stirring effect. At the same time, the absorption alkali solution inlet pipe on the existing wet chemical desulfurization device does not have a height adjustment function and cannot control the residence time of the hydrogen sulfide-containing absorption liquid in the aeration zone. Summary of the Invention
[0005] In response to the problems in the related art, the present invention proposes a wet chemical desulfurization regeneration tank to overcome the above technical problems existing in the existing related art.
[0006] To this end, the specific technical solution adopted by the present invention is as follows: a wet chemical desulfurization regeneration tank, comprising a reaction tank, a sealing cover is provided at the top of the reaction tank, a plurality of evenly distributed supporting feet are provided at the bottom of the reaction tank, an inner tank is provided in the reaction tank, and the inner tank is connected to the reaction tank through a plurality of evenly distributed first support rods.
[0007] Preferably, a height-adjusting box is provided on one side of the reaction tank, and a top end of one side of the height-adjusting box is provided with an absorbing alkali liquid inlet pipe extending to the outside of the reaction tank, and a second absorbing alkali liquid inlet pipe is provided on the other side of the height-adjusting box, and the second set of absorbing alkali liquid inlet pipes is provided with a clamp matching it, the top end of the clamp is provided with a connecting rod that passes through the outside of the sealing cover, the outer surface of the connecting rod is provided with a thread, and the connecting rod sleeve is provided with a threaded sleeve matching the thread, and the other side of the second absorbing alkali liquid inlet pipe is provided with a folding tube, a spring one matching it in the folding tube, and the other side of the folding tube is provided with an absorbing alkali liquid inlet pipe three extending to the inside of the inner tank, an opening is provided on one side of the inner tank, and a slide groove is provided at the top and bottom of the opening, and a slide matching the opening is provided in the slide groove, and a sealing splint matching the absorbing alkali liquid inlet pipe three is provided on the side where the slides are close to each other, and a spring two is provided on the side where the slides are away from each other.
[0008] Preferably, a connector is provided on one side of the absorption alkali solution inlet pipe three, and the connector angle adjustment tube includes an inner rubber tube, the outer side of the inner rubber tube is provided with a spring three that matches it, and the outer side of the spring three is provided with an outer rubber tube that matches it.
[0009] Preferably, a second support rod is provided at the bottom end of the absorption alkali solution inlet pipe three, a support plate is provided on one side of the second support rod, a threaded rod extending to the inner side of the inner tank is provided at the top end of the sealing cover, a limit sleeve is provided at the bottom end of the threaded rod, a limit rod matching the limit sleeve is provided at the bottom end of the limit rod, a disc in contact with the support plate is provided at the bottom end of the limit rod, and the limit rod and the disc are not on the same center line.
[0010] Preferably, the top of the other side of the reaction tank is provided with a regeneration alkali solution outlet pipe extending to the inner side thereof, the bottom end of the reaction tank is provided with a cone hopper, and the bottom end of the cone hopper is provided with a discharge pipe.
[0011] Preferably, the height adjustment box includes a strip box body, and the top of the strip box body is provided with a plurality of evenly distributed connection holes, wherein the connection holes at the top are provided with sealing grooves, wherein one of the connection holes at the top is tightly connected to the absorption alkali solution inlet pipe, and the remaining connection holes are all sealed and connected by sealing bolts.
[0012] Preferably, the inner wall of the inner tank is provided with cross-distributed fixing rods, and an aeration head is provided at the center of the top end of the fixing rods.
[0013] Preferably, the inner area of the inner tank is an oxidation regeneration area, the area between the inner tank and the reaction tank is a precipitation area, and the top and bottom ends of the absorption alkali solution inlet pipe three are provided with limit blocks movably connected to the inner tank.
[0014] The beneficial effects of the present invention are as follows: by providing a connecting head and an angle-adjusting tube containing a spring three inside, deformation is facilitated and no folding occurs after deformation; at the same time, a threaded rod, a limit sleeve, a limit rod, a disc and a support sheet are provided, and the angle-adjusting tube can be deformed and the angle adjusted according to the diameter of the inner tank, so as to form a vortex during the water inlet process and improve the stirring effect; by providing a folding tube containing a spring one inside, installation and disassembly of the absorption alkali liquid inlet pipe two is facilitated; at the same time, a connecting rod and a threaded sleeve are provided, so as to facilitate adjustment of the height of the absorption alkali liquid inlet pipe two without affecting the height of the absorption alkali liquid inlet pipe one; at the same time, a sealing splint, a slide plate, a slide groove and a spring two are provided to ensure the sealing between the absorption alkali liquid inlet pipe three and the inner tank, so that the appropriate height can be adjusted according to the water quality and quantity of the absorption liquid, so as to adjust the residence time of the hydrogen sulfide-rich absorption liquid in the aeration zone, thereby controlling the reaction process. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.
[0016] Figure 1 It is a structural diagram of the wet chemical desulfurization regeneration tank.
[0017] Figure 2 This is a schematic diagram of the internal structure of the wet chemical desulfurization regeneration tank.
[0018] Figure 3 It is a schematic diagram of the enlarged structure of A in the wet chemical desulfurization regeneration tank.
[0019] Figure 4 It is a top sectional view of the wet chemical desulfurization regeneration tank.
[0020] Figure 5 This is a schematic diagram of the internal structure of the angle adjustment tube in the wet chemical desulfurization regeneration tank.
[0021] Figure 6 It is a structural diagram of the regulating box in the wet chemical desulfurization regeneration tank.
[0022] In the picture:
[0023] 1. Reactor; 2. Sealing cover; 3. Support legs; 4. Inner tank; 5. First support rod; 6. Height adjustment box; 7. Alkali solution absorption inlet pipe 1; 8. Alkali solution absorption inlet pipe 2; 9. Clamp; 10. Connecting rod; 11. Threaded sleeve; 12. Folding tube; 13. Alkali solution absorption inlet pipe 3; 14. Opening; 15. Slide; 16. Slide plate; 17. Sealing splint; 18. Spring 2; 19. Connector; 20. Angle adjustment tube; 21. Inner rubber tube; 22. Spring 3; 23. Outer rubber tube; 24. Second support rod; 25. Support sheet; 26. Threaded rod; 27. Limit sleeve; 28. Limit rod; 29. Disc; 30. Regeneration alkali solution outlet pipe; 31. Cone bucket; 32. Discharge pipe; 33. Strip box body; 34. Connecting hole; 35. Sealing groove; 36. Aeration head; 37. Sealing bolt DETAILED DESCRIPTION
[0024] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention. They are mainly used to illustrate the embodiments and can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. By referring to these contents, ordinary technicians in this field should be able to understand other possible implementation methods and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.
[0025] According to an embodiment of the present invention, a wet chemical desulfurization regeneration tank is provided. Example
[0026] like Figure 1-6 As shown, the wet chemical desulfurization regeneration tank according to an embodiment of the present invention includes a reaction tank 1, a sealing cover 2 is provided at the top of the reaction tank 1, a plurality of evenly distributed supporting feet 3 are provided at the bottom of the reaction tank 1, an inner tank 4 is provided in the reaction tank 1, and the inner tank 4 is connected to the reaction tank 1 through a plurality of evenly distributed first supporting rods 5. Example
[0027] like Figure 1-6As shown, the wet chemical desulfurization regeneration tank according to the embodiment of the present invention includes a reaction tank 1, a sealing cover 2 is provided at the top of the reaction tank 1, a plurality of evenly distributed supporting feet 3 are provided at the bottom of the reaction tank 1, an inner tank 4 is provided in the reaction tank 1, and the inner tank 4 is connected to the reaction tank 1 through a plurality of evenly distributed first supporting rods 5, a height adjustment box 6 is provided on one side of the reaction tank 1, an absorption alkali solution inlet pipe 1 7 is provided on the top of one side of the height adjustment box 6, and an absorption alkali solution inlet pipe 2 8 is provided on the other side of the height adjustment box 6, and the absorption alkali solution inlet pipe 2 8 is provided with a clamp 9 matched therewith, and a connecting rod 10 is provided on the top of the clamp 9 to penetrate the outside of the sealing cover 2, and the connecting rod 1 0 is provided with a thread on the outer surface, and the connecting rod 10 is provided with a threaded sleeve 11 matching the thread. The other side of the alkali solution absorption inlet pipe 2 8 is provided with a folding tube 12, and all springs matching it are provided in the folding tube 12. The other side of the folding tube 12 is provided with an alkali solution absorption inlet pipe 3 13 extending to the inside of the inner tank 4. An opening 14 is provided on one side of the inner tank 4, and a slide 15 is provided at the top and bottom of the opening 14. A slide 16 matching the opening 14 is provided in the slide 15. A sealing splint 17 matching the alkali solution absorption inlet pipe 3 13 is provided on the side where the slides 16 are close to each other. A spring 2 18 is provided on the side where the slides 16 are away from each other. By setting a folding tube containing a spring 1 inside, 12, easy to install and disassemble the absorption alkali solution inlet pipe 2 8, at the same time, a connecting rod 10 and a threaded sleeve 11 are provided to facilitate the adjustment of the height of the absorption alkali solution inlet pipe 2 8 without affecting the height of the absorption alkali solution inlet pipe 1 7, and a sealing splint 17, a slide plate 16, a chute 15 and a spring 2 18 are provided to ensure the sealing between the absorption alkali solution inlet pipe 3 13 and the inner tank 4, so that the appropriate height can be adjusted according to the water quality and water quantity of the absorption liquid, so as to adjust the residence time of the absorption liquid rich in hydrogen sulfide in the aeration zone, thereby controlling the reaction process. A connector 19 is provided on one side of the absorption alkali solution inlet pipe 3 13, and the connector 19 has an angle adjustment tube 20. The angle adjustment tube 20 includes an inner rubber tube 21, and the outer sleeve of the inner rubber tube 21 is provided with a matching The spring three 22 is equipped with a spring three 22, and the outer side of the spring three 22 is provided with an outer rubber tube 23 that matches it, which increases the toughness of the angle adjustment tube 20, not only improves the elasticity of the angle adjustment tube 20, but also avoids the angle adjustment tube 20 from folding during the angle adjustment process, ensuring the internal patency of the angle adjustment tube 20 when adjusting. The bottom end of the absorption alkali solution inlet pipe three 13 is provided with a second support rod 24, and one side of the second support rod 24 is provided with a support sheet 25. The top of the sealing cover 2 is provided with a threaded rod 26 extending to the inside of the inner tank 4, and the bottom end of the threaded rod 26 is provided with a limiting sleeve 27. The bottom end of the limiting sleeve 27 is provided with a limiting rod 28 that matches it, and the bottom end of the limiting rod 28 is provided with a disc 29 that contacts the support sheet 25.Furthermore, the limiting rod 28 and the disc 29 are not on the same center line. By changing the distance of the extrusion angle adjustment tube 20, the angle of the angle adjustment tube 20 can be adjusted to form a vortex during the water inlet process and improve the stirring effect. Example
[0028] like Figure 1-6 As shown, the wet chemical desulfurization regeneration tank according to the embodiment of the present invention includes a reaction tank 1, the top of the reaction tank 1 is provided with a sealing cover 2, the bottom of the reaction tank 1 is provided with a plurality of evenly distributed supporting feet 3, an inner tank 4 is provided in the reaction tank 1, and the inner tank 4 is connected to the reaction tank 1 through a plurality of evenly distributed first supporting rods 5, the top of the other side of the reaction tank 1 is provided with a regeneration alkali solution outlet pipe 30 extending to the inner side thereof, the bottom end of the reaction tank 1 is provided with a cone hopper 31, the bottom end of the cone hopper 31 is provided with a discharge pipe 32, which can collect the sediment and facilitate the discharge of the sediment, the height adjustment box 6 includes a strip box body 33, the top of the strip box body 33 is provided with a plurality of evenly distributed connecting holes 34, wherein the connecting hole 34 at the top is provided with a sealing groove 35, wherein the connecting hole 34 at the top is tightly connected to the absorption alkali solution inlet pipe 7 The other connection holes 34 are all sealed and connected by sealing bolts 37. In the process of adjusting the height of the absorption alkali solution inlet pipe, the sealing inside the strip box body 33 is ensured. The inner wall of the inner tank 4 is provided with cross-distributed fixing rods to support and fix the aeration head 36, ensure the stability of the aeration head 36 during operation, and prevent the sediment from contacting the aeration head 36, ensuring the patency of the through hole of the aeration head 36. The aeration head 36 is provided at the center of the top of the fixing rod. The internal area of the inner tank 4 is the oxidation regeneration area, and the area between the inner tank 4 and the reaction tank 1 is the precipitation area. The top and bottom ends of the absorption alkali solution inlet pipe 3 13 are both provided with limit blocks movably connected to the inner tank 4, which limit the horizontal movement of the absorption alkali solution inlet pipe 3 13, so that the absorption alkali solution inlet pipe 3 13 can only move up and down, and improve the stability of the up and down movement of the absorption alkali solution inlet pipe 3 13. In order to facilitate the understanding of the above technical solution of the present invention, the working principle or operation method of the present invention in the actual process is described in detail below.
[0029] In actual application, the threaded rod 26 is rotated to drive the limit sleeve 27 to rotate and move vertically downward, the limit sleeve 27 drives the limit rod 28 to rotate, the support piece 25 supports the limit rod 28 (the limit rod 28 is fixed), and the limit rod 28 drives the disc 29 to rotate. Since the disc 29 and the limit rod 28 are not at the same center point, the disc 29 deviates during the rotation process, thereby squeezing the angle adjustment tube 20 containing the spring 3 22, so that the angle of the angle adjustment tube 20 can be adjusted to form a vortex during the water inlet process, thereby improving the stirring effect; the connecting rod 10 is moved horizontally, the folding tube 12 is folded, and the alkali solution inlet is taken out. Tube 2 8, and move the connecting rod 10 up or down, remove the sealing bolt 37 on the corresponding connecting hole 34, and seal the sealing bolt 37 with the connecting hole 34 away from the absorption alkali solution inlet pipe 2 8, connect the absorption alkali solution inlet pipe 2 8 to one side of the corresponding connecting hole 34, rotate the threaded sleeve 11 and tightly connect it to the sealing cover 2 (at the same time, the two sets of slides 16 and the sealing clamping plate 17 are movable to ensure the sealing between the absorption alkali solution inlet pipe 3 13 and the inner tank 4), so that the appropriate height can be adjusted according to the water quality and quantity of the absorption liquid, so as to adjust the residence time of the hydrogen sulfide-rich absorption liquid in the aeration zone, thereby controlling the reaction process.
[0030] In summary, with the help of the above technical solution of the present invention, by providing a connecting head 19 and an angle adjustment tube 20 containing a spring three 22 inside, it is easy to deform and will not fold after deformation. At the same time, a threaded rod 26, a limiting sleeve 27, a limiting rod 28, a disc 29 and a support plate 25 are provided. According to the diameter of the inner tank 4, the angle adjustment tube 20 can be deformed and the angle can be adjusted so as to form a vortex during the water inlet process and improve the stirring effect; by providing a folding tube 12 containing a spring one inside, it is easy to install and disassemble the absorption alkali solution inlet pipe two 8, and at the same time, a connecting rod 10 and a threaded sleeve 11 are provided to facilitate the adjustment of the height of the absorption alkali solution inlet pipe two 8 without affecting the height of the absorption alkali solution inlet pipe one 7. At the same time, a sealing splint 17, a slide plate 16, a chute 15 and a spring two 18 are provided to ensure the sealing between the absorption alkali solution inlet pipe three 13 and the inner tank 4, so that the appropriate height can be adjusted according to the water quality and quantity of the absorption liquid, so as to adjust the residence time of the hydrogen sulfide-rich absorption liquid in the aeration zone, thereby controlling the reaction process.
[0031] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.
Claims
1. A wet chemical desulfurization regeneration tank, characterized in that: The invention comprises a reaction tank (1), wherein the top of the reaction tank (1) is provided with a sealing cover (2), the bottom of the reaction tank (1) is provided with a plurality of evenly distributed supporting feet (3), an inner tank (4) is provided in the reaction tank (1), and the inner tank (4) is connected to the reaction tank (1) via a plurality of evenly distributed first supporting rods (5); A height adjustment box (6) is provided on one side of the reaction tank (1), and a first alkali solution absorption inlet pipe (7) extending to the outside of the reaction tank (1) is provided on the top of one side of the height adjustment box (6). A second alkali solution absorption inlet pipe (8) is provided on the other side of the height adjustment box (6). The second alkali solution absorption inlet pipe (8) is provided with a clamp (9) matching it. The top of the clamp (9) is provided with a connecting rod (10) extending to the outside of the sealing cover (2). The outer surface of the connecting rod (10) is provided with a threaded sleeve (11) matching the threaded sleeve. The other side of the second alkali solution absorption inlet pipe (8) is provided with a threaded sleeve (11) matching the threaded sleeve. A folding tube (12) is provided on one side, a spring 1 is provided in the folding tube (12) that matches the folding tube, a alkali solution absorption inlet pipe 3 (13) extending to the inner side of the inner tank (4) is provided on the other side of the folding tube (12), an opening (14) is provided on one side of the inner tank (4), a slide groove (15) is provided at the top and bottom ends of the opening (14), a slide plate (16) that matches the opening (14) is provided in the slide groove (15), a sealing splint (17) that matches the alkali solution absorption inlet pipe 3 (13) is provided on the side where the slide plates (16) are close to each other, and a spring 2 (18) is provided on the side where the slide plates (16) are away from each other; A connector (19) is provided on one side of the absorption alkali solution inlet pipe (13), and the connector (19) is connected to the angle adjustment pipe (20). The angle adjustment pipe (20) includes an inner rubber pipe (21), and the outer side of the inner rubber pipe (21) is provided with a spring (22) that matches the inner rubber pipe, and the outer side of the spring (22) is provided with an outer rubber pipe (23) that matches the inner rubber pipe; The height adjustment box (6) includes a strip-shaped box body (33), and the strip-shaped box body (33) is provided with a plurality of evenly distributed connection holes (34), wherein the connection holes (34) are provided with sealing grooves (35), one of the connection holes (34) is tightly connected to the second absorption alkali solution inlet pipe (8), and the remaining connection holes (34) are sealed and connected by sealing bolts (37); The top end of the other side of the reaction tank (1) is provided with a regeneration alkali solution outlet pipe (30) extending to the inner side thereof, the bottom end of the reaction tank (1) is provided with a cone hopper (31), and the bottom end of the cone hopper (31) is provided with a discharge pipe (32).
2. A wet chemical desulfurization regeneration tank according to claim 1, characterized in that: The bottom end of the absorption alkali solution inlet pipe (13) is provided with a second support rod (24), and a support plate (25) is provided on one side of the second support rod (24). The top end of the sealing cover (2) is provided with a threaded rod (26) extending to the inner side of the inner tank (4). The bottom end of the threaded rod (26) is provided with a limiting sleeve (27), and the bottom end of the limiting sleeve (27) is provided with a limiting rod (28) matched therewith. The bottom end of the limiting rod (28) is provided with a disc (29) in contact with the support plate (25), and the limiting rod (28) and the disc (29) are not on the same center line.
3. A wet chemical desulfurization regeneration tank according to claim 1, characterized in that: The inner wall of the inner tank (4) is provided with cross-distributed fixing rods, and an aeration head (36) is provided at the center of the top end of the fixing rods.
4. A wet chemical desulfurization regeneration tank according to claim 1, characterized in that: The inner area of the inner tank (4) is an oxidation regeneration area, the area between the inner tank (4) and the reaction tank (1) is a precipitation area, and the top and bottom ends of the absorption alkali solution inlet pipe (13) are both provided with limit blocks movably connected to the inner tank (4).
Citation Information
Patent Citations
Wet-type chemical desulfurization regeneration tank
CN217351278U