CN220573141U - Anti-overflow flow regeneration groove convenient to installation and maintenance - Google Patents
Anti-overflow flow regeneration groove convenient to installation and maintenance Download PDFInfo
- Publication number
- CN220573141U CN220573141U CN202321929839.4U CN202321929839U CN220573141U CN 220573141 U CN220573141 U CN 220573141U CN 202321929839 U CN202321929839 U CN 202321929839U CN 220573141 U CN220573141 U CN 220573141U
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- flange
- pipe
- gas
- liquid
- overflow
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- 230000008929 regeneration Effects 0.000 title claims abstract description 33
- 238000011069 regeneration method Methods 0.000 title claims abstract description 33
- 238000009434 installation Methods 0.000 title claims abstract description 20
- 238000012423 maintenance Methods 0.000 title claims abstract description 20
- 239000007788 liquid Substances 0.000 claims abstract description 91
- 238000002347 injection Methods 0.000 claims abstract description 26
- 239000007924 injection Substances 0.000 claims abstract description 26
- 238000009792 diffusion process Methods 0.000 claims abstract description 11
- 229920001973 fluoroelastomer Polymers 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 239000006260 foam Substances 0.000 abstract description 18
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 abstract description 17
- 229910052717 sulfur Inorganic materials 0.000 abstract description 13
- 239000011593 sulfur Substances 0.000 abstract description 13
- 238000006477 desulfuration reaction Methods 0.000 description 16
- 230000023556 desulfurization Effects 0.000 description 16
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 5
- 230000003009 desulfurizing effect Effects 0.000 description 5
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 5
- 238000005096 rolling process Methods 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 210000005056 cell body Anatomy 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000000979 retarding effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000009279 wet oxidation reaction Methods 0.000 description 1
Landscapes
- Gas Separation By Absorption (AREA)
Abstract
The utility model discloses an anti-overflow regeneration tank convenient to install and maintain, comprising: the device comprises a tank body and a tank cover, wherein an annular step is arranged in the tank body, a gas-liquid distribution plate is arranged on the annular step, liquid passing holes are uniformly distributed on the gas-liquid distribution plate, a shaft flange is uniformly distributed on the tank cover, an injection pipe is arranged on the shaft flange, a conical nozzle is coaxially arranged on the injection pipe, a duckbill valve is arranged on a side wall hole of the injection pipe, a lower end hole of the injection pipe is connected with the shaft flange, an upper mixing pipe is connected with the shaft flange, the upper mixing pipe is connected with a liquid passing hole flange on the gas-liquid distribution plate, a lower mixing pipe is connected with a lower flange of the gas-liquid distribution plate, a diffusion pipe is arranged at the bottom of the lower mixing pipe, bent nozzles are connected on the diffusion pipe, and liquid outlet ends of all the bent nozzles face the same annular direction. The utility model has the advantages that: not only can the installation and maintenance efficiency be improved, but also the overflow of sulfur foam can be prevented.
Description
Technical Field
The utility model relates to the field of desulfurization equipment, in particular to an anti-overflow regeneration tank convenient to install and maintain.
Background
In the operation process of the wet oxidation desulfurization device, the desulfurization liquid passing through the hydrogen sulfide absorption tower needs to enter a regeneration tank for oxidation regeneration to form sulfur foam, the sulfur foam floats upwards along with gas and is subjected to elemental sulfur floatation through a gas-liquid distribution plate, when the sulfur foam passes through a foam overflow weir, the sulfur foam flows out along the foam overflow weir, the desulfurization liquid after the regeneration floatation is extracted from the side wall and returns to the hydrogen sulfide absorption tower for recycling.
The large desulfurization liquid regeneration tank on the market at present has the following defects: 1. most of the existing ejectors on the market are of an integrated structure, and are inconvenient in early-stage installation and later-stage maintenance, and because the mixing tube of the ejectors is long, the mixing tube on the ejectors is easy to rub against the porous distribution plate when the ejectors are installed, and the whole ejectors need to be replaced if the mixing tube is damaged in later-stage maintenance. 2. If the ejector stops conveying air and desulfurizing liquid, the sulfur foam that desulfurizing liquid carried out oxidation regeneration reaction and produced easily gets into the ejector, overflows from the induction port of ejector at last, not only pollutes the environment but also can corrode the outer wall of regeneration groove, to this problem, has disclosed on the market that the bulletin number is: in the desulfurization liquid regeneration tank of CN207745703U, a downward bent air inlet elbow is arranged at an air suction port of an ejector, and a return chute is arranged below the air inlet elbow and is communicated with the tank body through a foam recovery tank, so that overflowed sulfur foam flows back into the tank body through the return chute and the foam recovery tank. Although the overflowed sulfur foam can be recovered, the sulfur foam is easy to break when in contact with the external environment, so that elemental sulfur remains on the chute, and the residual elemental sulfur also causes environmental pollution. 3. The injector is easy to cause severe impact on the bottom wall of the regeneration tank when injecting desulfurization liquid and air into the regeneration tank, the bottom wall is easy to damage, water waves generated when a plurality of injectors are simultaneously injected collide with each other to form larger shock waves, the liquid level in the tank body is easy to roll, and the sulfur foam is difficult to normally form due to the fact that the liquid level rolls too much. To address this problem, publication No.: CN 212017375U's "improved wet desulfurization regenerator", through setting up the return bend in the bottom of sprayer to set up the arc buffer board at the return bend injection direction of cell body, and set up 2-3 gas-liquid distribution boards in the cell body, set up like this and can spray the liquid slant in the sprayer on the arc buffer board and cushion, reduced the damage to the diapire, and gas-liquid distribution board can restrict the liquid that kick-ups, prevent that the liquid level from rolling too much influences the formation of sulphur foam. However, this structure requires a plurality of gas-liquid distribution plates for limitation, which is inconvenient for installation and maintenance.
Disclosure of Invention
The utility model aims to provide an anti-overflow regeneration tank which is convenient to install and maintain, and can not only improve the installation and maintenance efficiency, but also prevent sulfur foam from overflowing.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: anti-overflow flow regeneration groove convenient to installation and maintenance includes: the device comprises a tank body and a tank cover, wherein the tank body and the tank cover are connected through bolts, an annular step is arranged in the tank body, a plurality of screws are uniformly distributed on the circumference of the annular step, a gas-liquid distribution plate is installed on the annular step, the gas-liquid distribution plate is sleeved on each screw and screwed through nuts, a plurality of liquid passing holes are uniformly distributed on the gas-liquid distribution plate along the circumference, a plurality of shaft flanges are uniformly distributed on the tank cover along the circumference, an injection pipe is arranged on the shaft flanges, conical nozzles are coaxially arranged on the upper end holes of the injection pipe, duckbill valves are arranged on side wall holes of the injection pipe, lower end holes of the injection pipe are connected with the shaft flanges, an upper mixing pipe is connected with corresponding liquid passing holes on the gas-liquid distribution plate through flanges, a lower mixing pipe communicated with the liquid passing holes is connected with the lower flange of the gas-liquid distribution plate, a diffusion pipe is arranged at the bottom of the lower mixing pipe, bent nozzles are connected on the diffusion pipe, and the liquid outlet ends of all bent nozzles face the same annular direction.
Further, the anti-overflow regeneration groove convenient to install and maintain is characterized in that a plurality of mounting holes are uniformly distributed on the circumference of each liquid passing hole, an internal thread pipe is sleeved and welded in each mounting hole, and when the flange ends of the upper mixing pipe and the lower mixing pipe respectively lean against the upper end and the lower end of the gas-liquid distribution plate flange, bolts penetrate through the flanges on the upper mixing pipe or the lower mixing pipe and are in threaded connection with the corresponding internal thread pipe.
Furthermore, in the anti-overflow regeneration tank convenient to install and maintain, the upper end of the conical nozzle is provided with the first connecting flange, and the liquid outlet end of the conical nozzle passes through the side wall hole downwards.
Further, the anti-overflow regeneration groove convenient to install and maintain is characterized in that the lower end of the shaft flange is connected with a second connecting flange, the second connecting flange is positioned in the groove cover, the second connecting flanges at the lower ends of the shaft flanges are flush, and the second connecting flange is connected with the upper mixing pipe through a flange.
Further, the above-mentioned anti-overflow regeneration tank convenient for installation and maintenance, wherein the duckbill valve is made of fluororubber.
Further, the anti-overflow regeneration tank is convenient to install and maintain, wherein the duckbill valve is connected with the side wall hole through the flange.
Further, the anti-overflow regeneration tank convenient to install and maintain is characterized in that the bent nozzle is connected with the diffusion pipe through a flange, and the liquid outlet end of the bent nozzle is parallel to the bottom wall of the tank body and is close to the bottom wall.
Further, the anti-overflow regeneration groove convenient to install and maintain is characterized in that a manhole is formed in the side wall of the groove body above the gas-liquid distribution plate, a sealing door is arranged on the manhole, a manhole ladder is arranged outside the groove body, and the manhole ladder extends to the manhole.
The utility model has the advantages that: after the original integrated ejector is designed into the detachable ejector tube, the upper mixing tube, the lower mixing tube and the bent nozzle structure, sectional installation and sectional maintenance can be performed during installation, so that installation and maintenance work are greatly facilitated, and particularly, when a part is damaged, only damaged parts are required to be replaced, and the replacement cost is reduced; the duckbill valve arranged in the side wall hole of the injection pipe can not prevent the suction operation when the desulfurizing liquid is injected, but also prevent sulfur foam from overflowing when the desulfurizing liquid is stopped being injected; the liquid outlet ends of the bent nozzles face the same annular direction, so that rolling of the desulfurizing liquid in the tank body can be reduced, the bottom wall of the tank body can be purged, and impurity precipitation on the bottom wall is prevented.
Drawings
FIG. 1 is a schematic cross-sectional view of an anti-overflow regeneration tank of the present utility model for ease of installation and maintenance.
Fig. 2 is a schematic diagram of the structure in the plan view in fig. 1.
FIG. 3 is a schematic cross-sectional view of the ejector tube.
Fig. 4 is a schematic view of a partial enlarged structure in A-A direction in fig. 1.
Detailed Description
The technical scheme of the utility model is further described below with reference to the attached drawings and the preferred embodiments.
As shown in fig. 1 to 4, the anti-overflow regeneration tank of the present utility model, which is convenient to install and maintain, comprises: the groove body 1 and the groove cover 2 are connected through bolts 21, an annular step 11 is arranged in the groove body 1, a plurality of screws 12 are uniformly distributed on the circumference of the annular step 11, a gas-liquid distribution plate 13 is arranged on the annular step 11, the gas-liquid distribution plate 13 is sleeved on each screw 12 and screwed through nuts, a plurality of through-liquid holes 131 are uniformly distributed on the gas-liquid distribution plate 13, the side wall of the groove body 1 above the gas-liquid distribution plate 13 is provided with a manhole 3, the manhole 3 is provided with a sealing door 31, a manhole 4 is arranged outside the groove body 1, and the manhole 4 extends to the manhole 3. A plurality of shaft flanges 22 are uniformly distributed on the tank cover 2 along the circumference, an injection pipe 5 is arranged on the shaft flanges 22, a conical nozzle 51 with a small lower part and a large upper part is coaxially arranged on an upper end hole of the injection pipe 5, the conical nozzle 51 is connected with the flange of the injection pipe 5, the disassembly and the assembly are convenient, a first connecting flange 52 is arranged at the upper end of the conical nozzle 51, the conical nozzle is convenient to be connected with a liquid outlet pipe in a hydrogen sulfide absorption tower, the liquid outlet end of the conical nozzle 51 downwards passes through a side wall hole on the injection pipe 5, a duckbill valve 53 made of fluororubber material is flange-connected on the side wall hole of the injection pipe 5, the disassembly and the assembly of the duckbill valve 53 are convenient, the fluororubber can improve the acid resistance of the duckbill valve 53, the conical nozzle 51 downwards passes through the side wall hole, the desulfurization liquid sprayed out of the conical nozzle 51 can be prevented from being connected with the duckbill valve 53, the service life of the duckbill valve 53 is prolonged, the lower end hole of the injection pipe 5 is connected with the shaft flange 22, the lower end of the shaft flange 22 is connected with a second connecting flange 221, the second flange 221 is positioned in the groove cover 2, the second connecting flange 221 at the lower end of each shaft flange 22 is flush, the second connecting flange 221 is connected with an upper mixing pipe 54 in a flange manner, the upper mixing pipes 54 are connected with corresponding liquid passing holes 131 on the gas-liquid distribution plate 13 in a flange manner, so that all the upper mixing pipes 54 are equal in length, when the shaft flange 22 is assembled and disassembled later, the shaft flange 22 can be connected with the gas-liquid distribution plate 13 after any upper mixing pipe 54 is connected with any shaft flange 22, a lower mixing pipe 55 communicated with the liquid passing holes 131 is connected with the lower flange of the gas-liquid distribution plate 13, a plurality of mounting holes are uniformly distributed on the circumference of each liquid passing hole 131, inner threaded pipes 132 are sleeved and welded in the mounting holes, when the flange ends on the upper mixing pipes 54 and the lower mixing pipes 55 respectively abut against the upper and lower ends of the gas-liquid distribution plate 13, the bolt passes through the flange end on the upper mixing pipe 54 or the lower mixing pipe 55 and then is in threaded connection with the corresponding internal thread pipe 132, the diffusion pipe 56 is arranged at the bottom of the lower mixing pipe 55, the bent nozzle 57 is in flange connection on the diffusion pipe 56, the bent nozzle 57 can be conveniently disassembled and assembled, the direction of the liquid outlet end of the bent nozzle 57 can be conveniently regulated, the liquid outlet end of the bent nozzle 57 is parallel to the bottom wall of the tank body 1 and is close to the bottom wall, and the liquid outlet ends of all the bent nozzles 57 face the same annular direction.
When the regeneration tank is installed, the lower mixing pipes 55 are sequentially connected to the gas-liquid distribution plates 13, the liquid outlet end direction of the bent nozzles 57 on the lower mixing pipes 55 is regulated, when the liquid outlet end direction is regulated, the gas-liquid distribution plates 13 are hoisted into the tank body 1 only by rotating the flanges on the bent nozzles 57, the gas-liquid distribution plates 13 are sleeved on the screws 12, workers enter the gas-liquid distribution plates 13 in the tank body 1 from the overhauling holes 3 to fix the gas-liquid distribution plates 13 in the tank body 1 by nuts, the upper mixing pipes 54 are connected to the flanges 22, then the tank cover 2 is hoisted and covered on the tank body 1, the workers observe the alignment condition between the upper mixing pipes 54 and the liquid passing holes 131 of the gas-liquid distribution plates 13 at the overhauling holes 3, and after the upper mixing pipes 54 are aligned with the corresponding liquid passing holes 131, the workers in the tank body 1 connect the upper mixing pipes 54 with the gas-liquid distribution plates 13 by bolts, and at the same time, the workers at the position of the tank cover 2 are connected with the tank body 1 by the bolts through the tank cover 2.
When the desulfurization device is used, the conical nozzle 51 is connected with a liquid outlet pipe in the hydrogen sulfide absorption tower, then desulfurization liquid in the hydrogen sulfide absorption tower is sent into the conical nozzle 51, the desulfurization liquid is pressurized in the conical nozzle 51 and then sprayed into the injection pipe 5, negative pressure is generated in the injection pipe 5, the duckbill valve 53 is opened under the action of negative pressure in the outside positive pressure, the outside air is sucked into the injection pipe 5 through the opened duckbill valve 53, and then is fully mixed with the desulfurization liquid in the upper mixing pipe 54 and the lower mixing pipe 55, finally the desulfurization liquid is sprayed into the tank body 1 through the retarding action of the diffusion pipe 56 and the bent nozzles 57, and water flow sprayed by each bent nozzle 57 flows along one circle because the liquid outlet ends of all the bent nozzles 57 face the same annular direction, so that collision between water waves is reduced, rolling of the desulfurization liquid in the tank body 1 is reduced, rolling of the bottom wall of the tank body 1 is prevented, and impurity precipitation on the bottom wall is prevented. When the conical nozzle 51 no longer delivers the desulfurization solution, the pressure in the injection pipe 5 is the same as the external pressure, air is not sucked into the injection pipe 5, the duckbill valve 53 is automatically closed, and even if sulfur foam enters the injection pipe 5 through the lower mixing pipe 55 and the upper mixing pipe 54, the duckbill valve 53 cannot be opened, so that the environment is not overflowed.
Finally, it should be noted that: the above embodiments are only for illustrating the technical aspects of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the above embodiments, it should be understood by those of ordinary skill in the art that: modifications and equivalents may be made to the specific embodiments of the utility model without departing from the spirit and scope of the utility model, which is intended to be covered by the claims.
Claims (8)
1. Anti-overflow flow regeneration groove convenient to installation and maintenance includes: the groove body and the groove cover are connected through bolts, and the groove is characterized in that: an annular step is arranged in the tank body, a plurality of screws are uniformly distributed on the circumference of the annular step, a gas-liquid distribution plate is installed on the annular step and sleeved on each screw, the gas-liquid distribution plate is screwed by nuts, a plurality of liquid passing holes are uniformly distributed on the gas-liquid distribution plate along the circumference, a plurality of shaft-carrying flanges are uniformly distributed on the tank cover along the circumference, an injection pipe is arranged on the shaft-carrying flange, a conical nozzle is coaxially arranged on the upper end hole of the injection pipe, a duckbill valve is arranged on the side wall hole of the injection pipe, the lower end hole of the injection pipe is connected with the shaft-carrying flange, an upper mixing pipe is connected with a corresponding liquid passing hole flange on the gas-liquid distribution plate, a lower mixing pipe connected with the liquid passing holes is connected with the lower flange of the gas-liquid distribution plate, a diffusion pipe is arranged at the bottom of the lower mixing pipe, the diffusion pipe is connected with a bent nozzle, and the liquid outlet ends of all the bent nozzles face the same annular direction.
2. The anti-overflow regeneration tank for easy installation and maintenance according to claim 1, wherein: a plurality of mounting holes are uniformly distributed on the circumference of each liquid passing hole, an internal thread pipe is sleeved and welded in each mounting hole, and when the flange ends of the upper mixing pipe and the lower mixing pipe respectively lean against the upper end and the lower end of the gas-liquid distribution plate flange, bolts penetrate through the flanges on the upper mixing pipe or the lower mixing pipe and are in threaded connection with the corresponding internal thread pipes.
3. The anti-overflow regeneration tank for easy installation and maintenance according to claim 1 or 2, characterized in that: the upper end of the conical nozzle is provided with a first connecting flange, and the liquid outlet end of the conical nozzle passes through the side wall hole downwards.
4. The anti-overflow regeneration tank for easy installation and maintenance according to claim 3, wherein: the lower end of the shaft flange is connected with a second connecting flange, the second connecting flange is positioned in the groove cover, the second connecting flanges at the lower ends of the shaft flanges are flush, and the second connecting flanges are connected with the upper mixing pipe through flanges.
5. The anti-overflow regeneration tank for easy installation and maintenance according to claim 1 or 2, characterized in that: the duckbill valve is made of fluororubber.
6. The anti-overflow regeneration tank for easy installation and maintenance according to claim 5, wherein: the duckbill valve is connected with the side wall hole through a flange.
7. The anti-overflow regeneration tank for easy installation and maintenance according to claim 1, wherein: the bent nozzle is connected with the diffusion pipe through a flange, and the liquid outlet end of the bent nozzle is parallel to the bottom wall of the tank body and is close to the bottom wall.
8. The anti-overflow regeneration tank for easy installation and maintenance according to claim 1, wherein: and a manhole is formed in the side wall of the tank body above the gas-liquid distribution plate, a sealing door is arranged on the manhole, and a manhole ladder is arranged outside the tank body and extends to the manhole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321929839.4U CN220573141U (en) | 2023-07-21 | 2023-07-21 | Anti-overflow flow regeneration groove convenient to installation and maintenance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321929839.4U CN220573141U (en) | 2023-07-21 | 2023-07-21 | Anti-overflow flow regeneration groove convenient to installation and maintenance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220573141U true CN220573141U (en) | 2024-03-12 |
Family
ID=90117849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321929839.4U Active CN220573141U (en) | 2023-07-21 | 2023-07-21 | Anti-overflow flow regeneration groove convenient to installation and maintenance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220573141U (en) |
-
2023
- 2023-07-21 CN CN202321929839.4U patent/CN220573141U/en active Active
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