CN117085504B - Marine desulfurization and decarbonization integrated absorption reaction tower - Google Patents
Marine desulfurization and decarbonization integrated absorption reaction tower Download PDFInfo
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- CN117085504B CN117085504B CN202311360344.9A CN202311360344A CN117085504B CN 117085504 B CN117085504 B CN 117085504B CN 202311360344 A CN202311360344 A CN 202311360344A CN 117085504 B CN117085504 B CN 117085504B
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- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 94
- 230000023556 desulfurization Effects 0.000 title claims abstract description 94
- 238000005262 decarbonization Methods 0.000 title claims abstract description 55
- 238000010521 absorption reaction Methods 0.000 title claims abstract description 18
- 238000005261 decarburization Methods 0.000 claims abstract description 33
- 239000007788 liquid Substances 0.000 claims description 63
- 238000007789 sealing Methods 0.000 claims description 19
- 238000005507 spraying Methods 0.000 claims description 16
- 230000002093 peripheral effect Effects 0.000 claims description 9
- 239000003595 mist Substances 0.000 claims description 8
- 230000001105 regulatory effect Effects 0.000 claims description 8
- 238000012856 packing Methods 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 6
- 239000003814 drug Substances 0.000 description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- 239000007921 spray Substances 0.000 description 12
- 239000012530 fluid Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910052815 sulfur oxide Inorganic materials 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical class S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/346—Controlling the process
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/62—Carbon oxides
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
- Y02C20/00—Capture or disposal of greenhouse gases
- Y02C20/40—Capture or disposal of greenhouse gases of CO2
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Treating Waste Gases (AREA)
Abstract
The application discloses integrative absorption reaction tower of marine desulfurization decarbonization, including the tower body, the inner chamber bottom of tower body is formed with the desulfurization section, and the bottom of tower body is provided with the inlet end, is located desulfurization section top in the tower body and is provided with the outlet duct, and the tip of outlet duct is formed with first end of giving vent to anger, and the partial desulfurization tail gas is discharged the tower body through the outlet duct, and the inner chamber top of tower body is located the outlet duct outside and is formed with the decarbonization section, and the tower body top is provided with the second and gives vent to anger the end, and the other partial desulfurization tail gas is discharged the tower body from the second after decarbonization section decarbonization. The desulfurization and decarbonization system can be integrated in one tower body, so that the occupied area of the removal system is reduced, and the use cost is reduced; and decarburizing part of the desulfurized tail gas, so that the use cost of decarburization is reduced while the emission of the ship tail gas meets the standard, and the use cost of a removal system is further reduced.
Description
Technical Field
The application relates to the technical field of ships, in particular to a marine desulfurization and decarbonization integrated absorption reaction tower.
Background
The tail gas discharged by the ship contains a large amount of sulfur oxides (SOx), carbon dioxide (CO 2), particulate Matters (PMs) and other pollutants, which cause serious harm to the atmospheric environment and human health, so the tail gas discharged by the ship can be discharged into the air after desulfurization and decarburization treatment.
At present, the desulfurization and decarbonization treatment of tail gas often adopts an independent removal system, namely two reaction towers are used, the tail gas firstly enters a desulfurization tower for desulfurization treatment, then enters a decarbonization tower for decarbonization treatment through a connecting flue, and finally is discharged into the air from the decarbonization tower.
The separate removal system is adopted to carry out desulfurization and decarbonization respectively, so that the problems of large occupied area, high treatment cost and the like exist, meanwhile, the back pressure is large when tail gas passes through the connecting flue, and the tail gas can smoothly flow through the connecting flue only by means of the booster fan, so that the cost of the removal system is further increased.
Disclosure of Invention
In order to reduce the occupation area and the use cost of the removal system, the application provides a marine desulfurization and decarbonization integrated absorption reaction tower.
The application provides a marine desulfurization decarbonization integrative absorption reaction tower adopts following technical scheme:
the utility model provides a marine desulfurization decarbonization integrative absorption reaction tower, includes the tower body, the inner chamber bottom of tower body is formed with the desulfurization section, the bottom of tower body is provided with the inlet end, be located desulfurization section top in the tower body and be provided with the outlet duct, the tip of outlet duct is formed with first end of giving vent to anger, and a portion desulfurization tail gas is discharged the tower body through the outlet duct, the inner chamber top of tower body is located the outlet duct outside and is formed with the decarbonization section, the tower body top is provided with the second and gives vent to anger the end, and another portion desulfurization tail gas is discharged the tower body from the second after decarbonization section decarbonization.
Through adopting above-mentioned technical scheme, when carrying out desulfurization decarbonization to boats and ships tail gas, tail gas gets into in the tower from the inlet end, and tail gas flows upwards from tower inner chamber bottom and carries out desulfurization through the desulfurization section, and part tail gas after the desulfurization enters the outlet duct and discharges the tower body from first outlet end, and another part tail gas gets into the decarbonization section and carries out decarbonization and discharge the tower body from the second outlet end. The desulfurization and decarbonization system is integrated in the tower body, so that the occupied area of the removal system is reduced and the use cost is reduced; and decarburizing part of the desulfurized tail gas, so that the use cost of decarburization is reduced while the emission of the ship tail gas meets the standard, and the use cost of a removal system is further reduced.
Preferably, the desulfurization section includes by supreme interval setting in proper order in tower body inner chamber's first rectifying layer, a plurality of first spraying layer and first defogging layer down, the inlet end is located first rectifying layer below, just the bottom of tower body is provided with first leakage fluid dram.
Through adopting above-mentioned technical scheme, tail gas gets into in the tower from the inlet end and upwards flows, at first rectifies through first rectification layer for tail gas regular upwards flows through a plurality of first spraying layers, and a plurality of first spraying layers spray out the liquid medicine and react with tail gas, thereby carry out the desulfurization to tail gas, and the tail gas after the desulfurization is defogged through first defogging layer again, thereby reduces the liquid medicine loss, and the liquid medicine after the use drips to the tower bottom, discharges the tower body from first leakage fluid dram again and recycles.
Preferably, the decarbonization section comprises a second rectifying layer, a second packing layer, a plurality of second spraying layers and a second mist removing layer which are sequentially arranged in the inner cavity of the tower body at intervals from bottom to top and sleeved outside the air outlet pipe, and the second air outlet end is positioned above the second mist removing layer.
Through adopting above-mentioned technical scheme, the tail gas that gets into the decarbonization section carries out the rectification through the second rectification layer earlier for the tail gas rule upwards flows through the second packing layer and carries out preliminary decarbonization, and a plurality of second sprays the layer and sprays out liquid medicine and carry out the reaction with the tail gas, thereby further decarbonization to the tail gas, and the tail gas after the decarbonization carries out the defogging through the second defogging layer again, thereby reduces the liquid medicine and runs off.
Preferably, a guide ring is arranged on the air outlet pipe below the second rectifying layer, the outer peripheral side of the guide ring is inclined downwards, and an air inlet channel for the tail gas to enter the decarburization section is formed between the outer peripheral side of the guide ring and the inner wall of the tower body; the liquid collecting ring is arranged on the inner wall of the tower body below the guide ring, the inner periphery of the liquid collecting ring is inclined upwards, a liquid collecting tank is formed between the liquid collecting ring and the inner wall of the tower body, the liquid collecting tank is arranged under the air inlet channel, and a second liquid outlet communicated with the liquid collecting tank is formed in the side wall of the tower body.
Through adopting above-mentioned technical scheme, a portion desulfurization tail gas gets into the outlet duct, and another part desulfurization tail gas gets into the decarbonization section through the inlet channel, and the liquid medicine that uses in the decarbonization section drops downwards, and some liquid medicine drops directly through the inlet channel in the liquid collection pond, and another part liquid medicine drops on the water conservancy diversion ring and drops to the liquid collection pond through the water conservancy diversion ring in, and the liquid medicine in the liquid collection pond discharges the tower body from the second leakage fluid dram and recycles.
Preferably, the air outlet pipe is provided with a support ring below the guide ring, and the periphery of the support ring is inclined upwards and fixedly connected with the bottom wall of the guide ring.
Through adopting above-mentioned technical scheme, the support ring supports the water conservancy diversion ring for the water conservancy diversion ring is more stable, and the support ring is directed desulfurization tail gas simultaneously, thereby is convenient for desulfurization tail gas to get into the inlet channel.
Preferably, the top of the air outlet pipe penetrates out of the tower body, and the top of the air outlet pipe is provided with an air outlet regulating valve.
Through adopting above-mentioned technical scheme, use the governing valve of giving vent to anger to the air outlet of outlet duct end to the desulfurization tail gas volume that gets into in the outlet duct is controlled, and the desulfurization tail gas volume that gets into in the decarbonization section is controlled, and then can adjust the tail gas volume of decarbonization treatment.
Preferably, an air inlet pipe is arranged at the air inlet end of the tower body, and a cooling spraying layer is arranged in the air inlet pipe.
Through adopting above-mentioned technical scheme, tail gas gets into the tower from the intake pipe in, and when tail gas passed through the intake pipe, the cooling sprays the layer and sprays out liquid and cool down tail gas to make the desulfurization effect of desulfurization section better.
Preferably, the air outlet pipe comprises an inner pipe body and an outer pipe body, the outer pipe body is fixedly arranged in the tower body, the inner pipe body is coaxially and slidably arranged in the outer pipe body, the top end of the inner pipe body penetrates out of the tower body, a mounting ring is fixedly arranged at the top end of the tower body, an adjusting piece is rotatably arranged on the mounting ring, and the adjusting piece is sleeved on the outer side of the inner pipe body in a threaded manner; the guide ring and the supporting ring are all arranged in a wavy manner along the circumferential direction of the guide ring, the inner side of the guide ring, which is close to the air outlet pipe, is hinged on the outer side wall of the inner pipe body through a hinge part, the outer pipe body is provided with a waist-shaped hole for lifting and moving the hinging piece, the inner side of the supporting ring, which is close to the air outlet pipe, is hinged to the outer side wall of the outer pipe body, and the outer side of the supporting ring, which is far away from the air outlet pipe, is rotationally connected with the guide ring.
Through adopting above-mentioned technical scheme, rotate the regulating part on the supporting ring, the regulating part drives interior body and goes up and down to remove, interior body passes through the inboard lift that the articulated elements drove the water conservancy diversion ring and removes, and the inboard of supporting ring is articulated to be installed on outer body, and the outside rotates with the water conservancy diversion ring to be connected, and when the inboard lift of water conservancy diversion ring removed, the water conservancy diversion ring self takes place to incline and drives the supporting ring and take place to incline, so can adjust the size of inlet channel between water conservancy diversion ring and the tower inner wall to get into the speed of decarbonization section to desulfurization tail gas and adjust.
Preferably, the outer side wall of the outer tube is provided with an elastic sealing ring above the waist-shaped hole, the inner peripheral side of the elastic sealing ring is in sealing connection with the outer tube body, and the outer peripheral side of the elastic sealing ring is in sealing connection with the top wall of the guide ring.
By adopting the technical scheme, the elastic sealing ring seals the hinged part of the guide ring, so that the liquid medicine is not easy to drop into the desulfurization section from the clearance between the guide ring and the outer pipe body.
Preferably, mesh plates are arranged in the liquid collecting ring, holes on the inner side of the mesh plates are obliquely arranged towards the middle of the air outlet pipe, and holes on the outer side of the mesh plates are obliquely arranged towards the air inlet channel.
Through adopting above-mentioned technical scheme, desulfurization tail gas gets into outlet duct or inlet channel through the mesh board, and the hole of mesh board inboard slope is convenient for part desulfurization tail gas gets into the outlet duct, and the hole of mesh board outside slope is convenient for part desulfurization tail gas gets into inlet channel.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the desulfurization and decarbonization system is integrated in the tower body, so that the occupied area of the removal system is reduced and the use cost is reduced; the decarbonization treatment is carried out on part of the desulfurized tail gas, so that the use cost of the decarbonization treatment is reduced while the emission of the ship tail gas meets the standard, and the use cost of a removal system is further reduced;
2. the guide ring is supported by the support ring, so that the guide ring is more stable, and the support ring guides the desulfurization tail gas, so that the desulfurization tail gas can conveniently enter the air inlet channel;
3. the gas outlet quantity of the gas outlet end of the gas outlet pipe is regulated by adopting the gas outlet regulating valve, so that the gas outlet quantity of the desulfurization tail gas entering the gas outlet pipe is controlled, the gas outlet quantity of the desulfurization tail gas entering the decarburization section is controlled, and the gas outlet quantity of decarburization treatment can be regulated.
Drawings
FIG. 1 is a schematic diagram of the arrangement structure of a desulfurization and decarbonization integrated absorption reaction tower for a ship in example 1 of the present application;
FIG. 2 is a schematic view showing a part of the structure of the integrated desulfurization and decarbonization absorption tower for a ship in example 2 of the present application.
Reference numerals illustrate: 1. a tower body; 2. a desulfurization section; 21. a first rectifying layer; 22. a first spray layer; 23. a first mist-removing layer; 3. an air inlet end; 4. an air outlet pipe; 41. an inner tube body; 42. an outer tube body; 5. a first outlet end; 6. a decarbonization section; 61. a second rectifying layer; 62. a second filler layer; 63. a second spray layer; 64. a second mist-removing layer; 7. a second outlet end; 8. a first liquid discharge port; 9. a guide ring; 10. an air intake passage; 11. a liquid collecting ring; 12. a liquid collecting tank; 13. a second liquid outlet; 14. a support ring; 15. an air outlet regulating valve; 16. an air inlet pipe; 17. cooling and spraying the layer; 18. a mounting ring; 19. an adjusting member; 20. a waist-shaped hole; 24. an elastic sealing ring; 25. a mesh plate.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present invention and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the description of the present invention, it should be noted that the terms "mounted," "connected," and "coupled" are to be construed broadly, as well as, for example, fixedly coupled, detachably coupled, or integrally coupled, unless otherwise specifically indicated and defined. Either mechanically or electrically. Can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
The disclosure herein provides many different embodiments or examples for implementing different structures of the invention. To simplify the present disclosure, components and arrangements of specific examples are described herein. They are, of course, merely examples and are not intended to limit the invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.
The embodiment of the application discloses a marine desulfurization and decarbonization integrated absorption reaction tower.
Example 1
Referring to fig. 1, a desulfurization and decarbonization integrated absorption reaction tower for a ship comprises a tower body 1 fixedly installed on the ship, wherein a desulfurization section 2 is formed at the middle lower part of the inner cavity of the tower body 1, and a decarbonization section 6 is formed at the middle upper part of the inner cavity of the tower body 1. The top of the tower body 1 is provided with an air outlet end, the bottom of the side wall of the tower body 1 is fixedly communicated with an air inlet pipe 16 below the desulfurization section 2, the end part of the air inlet pipe 16, which is far away from the tower body 1, is provided with an air inlet end 3, and two cooling spray layers 17 are arranged in the air inlet pipe 16.
The ship tail gas enters the air inlet pipe 16 through the air inlet end 3, and the cooling spray layer 17 in the air inlet pipe 16 sprays water mist to cool the tail gas, so that the tail gas enters the tower body 1 at a temperature lower than 65 degrees, and the tail gas is convenient to desulfurize. The tail gas moves upwards in the tower body 1, sequentially passes through the desulfurization section 2 and the decarburization section 6, and finally is discharged from the air outlet end.
The inner cavity of the tower body 1 is positioned in the decarburization section 6, an air outlet pipe 4 is coaxially and fixedly arranged along the height direction of the tower body, the top end of the air outlet pipe 4 penetrates out of the top of the tower body 1, and a first air outlet end 5 is formed at the top end of the air outlet pipe 4. After the tail gas is desulfurized through the desulfurization section 2, a part of desulfurized tail gas enters the gas outlet pipe 4 and is discharged out of the tower body 1 from the first gas outlet end 5.
The decarburization section 6 is annular and is positioned between the outer wall of the air outlet pipe 4 and the inner wall of the tower body 1, and a second air outlet end 7 communicated with the decarburization section 6 is arranged on the top of the tower body 1 above the decarburization section 6. The other part of the desulfurization tail gas enters the decarburization section 6 for decarburization, and is discharged out of the tower body 1 from the second gas outlet end 7.
The desulfurization and decarbonization system is integrated in one tower body 1, so that the occupied area of the removal system is reduced and the use cost is reduced; and decarburizing part of the desulfurized tail gas, so that the use cost of decarburization is reduced while the emission of the ship tail gas meets the standard, and the use cost of a removal system is further reduced.
Specifically, desulfurization section 2 includes that fixed mounting is in tower body 1 and by the first rectifying layer 21 of supreme interval arrangement in proper order, four layers of first spraying layer 22 and a layer of first defogging layer 23, and first rectifying layer 21 is located the top of intake pipe 16 and tower body 1 intercommunication department, and the diapire middle part of tower body 1 is formed with first leakage fluid dram 8.
The cooled tail gas enters the bottom of the inner cavity of the tower body 1 and flows upwards, the tail gas firstly passes through the first rectifying layer 21, and the first rectifying layer 21 rectifies the tail gas so that the tail gas regularly flows upwards; the tail gas flowing upwards regularly passes through four layers of first spraying layers 22 in sequence, and the first spraying layers 22 spray the desulfurization liquid medicine to react with the tail gas, so that the tail gas is desulfurized; the desulfurized tail gas continues to flow upwards and passes through the first demisting layer 23, and the first demisting layer 23 removes water and residual liquid medicine in the desulfurized tail gas, so that liquid medicine loss is reduced; finally, the desulfurization tail gas enters an air outlet pipe 4 or a decarburization section 6. Meanwhile, the liquid medicine sprayed in the first mist removing layer 23 and the first spraying layer 22 is dripped at the bottom of the inner cavity of the tower body 1 and is discharged out of the tower body 1 from the first liquid outlet 8, and the liquid medicine can be recycled after being treated.
Specifically, the decarbonization section 6 includes a layer of second rectifying layer 61, a layer of packing layer, two layers of second spraying layers 63 and a layer of mist removing layer, which are fixedly installed on the inner wall of the tower body 1 and the outer wall of the air outlet pipe 4 and are sequentially arranged at intervals from bottom to top.
When the desulfurization tail gas enters the decarburization section 6, the tail gas firstly passes through the second rectifying layer 61, and the second rectifying layer 61 rectifies the tail gas so that the tail gas regularly flows upwards; the tail gas flows upwards through the second packing layer 62, and the packing in the second packing layer 62 carries out preliminary decarburization on the tail gas; the tail gas sequentially passes through two layers of second spraying layers 63 upwards, and the second spraying layers 63 spray decarbonizing liquid medicine to react with the tail gas, so that the tail gas is decarbonized; the decarbonized tail gas continues to flow upwards and passes through the second demisting layer 64, and the second demisting layer 64 removes water and residual liquid medicine in the decarbonized tail gas, so that liquid medicine loss is reduced; finally, the decarbonization tail gas is discharged from the tower body 1 from the first gas outlet end 5. The tail gas passes through the desulfurization section 2 and the decarburization section 6 to complete desulfurization and decarburization treatment.
The outer wall bottom end of the air outlet pipe 4 is fixedly provided with a guide ring 9, the guide ring 9 is positioned between the first mist removing layer 23 and the second rectifying layer 61, the guide ring 9 is inclined downwards away from the outer side of the air outlet pipe 4, and an annular air inlet channel 10 is formed between the outer peripheral side of the guide ring 9 and the inner wall of the tower body 1. Part of the desulfurization tail gas directly enters the gas outlet pipe 4, and the other part of the desulfurization tail gas enters the decarburization section 6 through the gas inlet channel 10.
The top of outlet duct 4 is installed and is given vent to anger governing valve 15, uses the governing valve 15 of giving vent to anger and adjusts the air output of outlet duct 4 first end 5 of giving vent to anger to the desulfurization tail gas volume that gets into in the outlet duct 4 is controlled, and is controlled the desulfurization tail gas volume that gets into in the decarbonization section 6, and then can adjust the tail gas volume of decarbonization.
The tower body 1 inner wall is located outlet duct 4 below department fixed mounting and collects liquid ring 11, and the inboard that collects liquid ring 11 is close to outlet duct 4 leans upward, is formed with collection liquid pond 12 between collection liquid ring 11 roof and the tower body 1 inner wall, and collection liquid pond 12 width is greater than inlet channel 10 width and is located inlet channel 10 directly under, and water conservancy diversion ring 9 periphery side is located collection liquid pond 12 directly over, and has seted up on the tower body 1 lateral wall with collection liquid pond 12 second leakage fluid dram 13.
The decarburized liquid medicine used in the decarburization section 6 drops downwards, part of liquid medicine directly drops into the liquid collecting tank 12 through the air inlet channel 10, the other part of liquid medicine drops onto the guide ring 9 firstly, then drops into the liquid collecting tank 12 through the guide ring 9, the liquid medicine in the liquid collecting tank 12 is discharged out of the tower body 1 from the second liquid outlet 13, and the liquid medicine can be recycled after being treated.
The bottom end of the outer side wall of the air outlet pipe 4 is fixedly provided with a supporting ring 14, and the supporting ring 14 is inclined upwards away from the outer side of the air outlet pipe 4 and is fixedly connected with the bottom wall of the guide ring 9. The support ring 14 supports the guide ring 9, so that the guide ring 9 is more stable; at the same time, the support ring 14 guides the desulfurization tail gas so as to facilitate the desulfurization tail gas to enter the decarburization section 6 through the air inlet passage 10.
The implementation principle of embodiment 1 of the present application is: the marine tail gas enters the air inlet pipe 16 through the air inlet end 3, then enters the tower body 1 from the air inlet pipe 16, the tail gas moves upwards in the tower body 1 and passes through the desulfurization section 2, one part of the desulfurization tail gas enters the air outlet pipe 4 and is discharged out of the tower body 1 from the first air outlet end 5, and the other part of the desulfurization tail gas enters the decarburization section 6 for decarburization and is discharged out of the tower body 1 from the second air outlet end 7. The desulfurization and decarbonization system is integrated in one tower body 1, so that the occupied area of the removal system is reduced and the use cost is reduced; and decarburizing part of the desulfurized tail gas, so that the use cost of decarburization is reduced while the emission of the ship tail gas meets the standard, and the use cost of a removal system is further reduced.
Example 2
Referring to fig. 2, the difference between this embodiment 2 and embodiment 1 is that the inner side of the liquid collecting ring 11 is fixedly provided with a mesh plate 25, a plurality of holes are formed in the mesh plate 25, the holes on the inner side of the mesh plate 25 and below the air outlet pipe 4 are obliquely opened toward the center direction of the air outlet pipe 4, and the holes on the outer side of the mesh plate 25 and below the guide ring 9 are obliquely opened toward the direction away from the air outlet pipe 4. The desulfurization tail gas enters the gas outlet pipe 4 or the gas inlet channel 10 through the mesh plate 25, and the inclined holes at the inner side of the mesh plate 25 are convenient for part of the desulfurization tail gas to enter the gas outlet pipe 4, and the inclined holes at the outer side of the mesh plate 25 are convenient for part of the desulfurization tail gas to enter the gas inlet channel 10.
The outlet duct 4 comprises an inner pipe body 41 and an outer pipe body 42, the top end of the outer pipe body 42 is welded and fixed with the top of the tower body 1, the inner pipe body 41 is coaxially and slidably arranged in the outer pipe body 42, and the top end of the inner pipe body 41 penetrates out of the outer pipe body 42. The top end of the outer pipe body 42 is fixedly provided with a mounting ring 18, the mounting ring 18 is rotatably provided with an adjusting piece 19, and the adjusting piece 19 is sleeved on the inner pipe body 41 in a threaded manner. In this application, the adjusting member 19 may be an adjusting ring, and the inner side wall of the adjusting member 19 is in threaded engagement with the outer side wall of the inner tube 41. By rotating the adjusting member 19, the inner tube 41 can be driven to move up and down in the outer tube 42.
Meanwhile, a guide bar is mounted on the outer side wall of the inner tube 41 along the axis direction of the inner tube 41, a guide groove is formed in the inner side wall of the outer tube 42 along the axis direction of the inner tube 41, and the guide bar is slidably mounted in the guide groove along the sliding direction of the inner tube 41. The guide bar is matched with the guide groove, so that the inner pipe 41 is not easy to deflect when moving up and down.
Waist-shaped holes 20 are formed in the outer tube body 42 at the position below the second rectifying layer 61 along the axial direction of the outer tube body 42, and four waist-shaped holes 20 are formed at equal intervals along the circumferential direction of the outer tube body 42. Four hinge parts are fixedly arranged on the outer side wall of the inner pipe body 41 at equal intervals along the circumferential direction of the inner pipe body, the four hinge parts are respectively positioned in the four waist-shaped holes 20, and the four hinge parts are hinged with the inner side of the guide ring 9. The inner tube 41 moves up and down and drives the hinge to move in the waist-shaped hole 20, so that the guide ring 9 can be driven to move.
The bottom end of the outer side wall of the outer tube body 42 is hinged with the inner side of the supporting ring 14 through four hinging pieces, and the outer side of the supporting ring 14 is hinged with the guide ring 9 through four hinging pieces. In this application, guide ring 9 and support ring 14 all set up to wavy along self circumference, so make guide ring 9 and support ring 14 homoenergetic slightly overturn, and then change guide ring 9 and support ring 14's diameter.
When the inner pipe 41 drives the guide ring 9 to move upwards, the guide ring 9 drives the support ring 14 to turn over, the inclination of the guide ring 9 and the support ring 14 is increased, and the diameter of the guide ring 9 is reduced, so that the width of the air inlet channel 10 can be increased, and the desulfurization tail gas is accelerated to enter the decarburization section 6; when the inner pipe 41 drives the guide ring 9 to move downwards, the guide ring 9 drives the support ring 14 to turn over, the inclination of the guide ring 9 and the support ring 14 is reduced, and the diameter of the guide ring 9 is increased, so that the width of the air inlet channel 10 can be reduced, and the deceleration and desulfurization tail gas enters the decarburization section 6.
An elastic sealing ring 24 is arranged on the outer side wall of the outer tube body 42 above the waist-shaped hole 20, the inner peripheral side of the elastic sealing ring 24 is fixedly connected with the outer tube body 42 in a sealing way, and the outer peripheral side of the elastic sealing ring 24 is fixedly connected with the top end of the top wall of the guide plate in a sealing way. In the present application, the elastic sealing ring 24 may alternatively be a rubber ring. The elastic sealing ring 24 seals the hinge joint of the guide ring 9, so that the liquid medicine is not easy to drop into the desulfurization section 2 from the gap between the guide ring 9 and the outer tube 42.
The implementation principle of embodiment 2 of the present application is: the adjusting piece 19 on the mounting ring 18 is rotated, the adjusting piece 19 drives the inner pipe 41 to lift, the inner pipe 41 drives the inner side of the guide ring 9 to lift through the hinge piece, the inner side of the support ring 14 is hinged on the outer pipe 42, the outer side is rotationally connected with the guide ring 9, and when the inner side of the guide ring 9 lifts, the guide ring 9 tilts and drives the support ring 14 to tilt. The size of the air inlet channel 10 between the guide ring 9 and the inner wall of the tower body 1 can be adjusted, so that the speed of the desulfurization tail gas entering the decarburization section 6 is adjusted.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.
Claims (7)
1. A marine desulfurization decarbonization integrative absorption reaction tower, its characterized in that: the desulfurization tower comprises a tower body (1), a desulfurization section (2) is formed at the bottom of an inner cavity of the tower body (1), an air inlet end (3) is arranged at the bottom of the tower body (1), an air outlet pipe (4) is arranged above the desulfurization section (2) in the tower body (1), a first air outlet end (5) is formed at the end part of the air outlet pipe (4), a part of desulfurization tail gas is discharged out of the tower body (1) through the air outlet pipe (4), a decarburization section (6) is formed at the top of the inner cavity of the tower body (1) outside the air outlet pipe (4), a second air outlet end (7) is arranged at the top of the tower body (1), and the other part of desulfurization tail gas is discharged out of the tower body (1) from the second air outlet end (7) after decarburization by the decarburization section (6); the decarburization section (6) comprises a second rectifying layer (61), a second packing layer (62), a plurality of second spraying layers (63) and a second mist removing layer (64) which are sequentially arranged in the inner cavity of the tower body (1) at intervals from bottom to top and sleeved outside the air outlet pipe (4), and the second air outlet end (7) is positioned above the second mist removing layer (64); a guide ring (9) is arranged below the second rectifying layer (61) on the air outlet pipe (4), the periphery side of the guide ring (9) is inclined downwards, and an air inlet channel (10) for the tail gas to enter the decarburization section (6) is formed between the periphery side of the guide ring (9) and the inner wall of the tower body (1); the air outlet pipe (4) is arranged below the guide ring (9) and is provided with a support ring (14), and the periphery of the support ring (14) is inclined upwards and fixedly connected with the bottom wall of the guide ring (9); the gas outlet pipe (4) comprises an inner pipe body (41) and an outer pipe body (42), the outer pipe body (42) is fixedly arranged in the tower body (1), the inner pipe body (41) is coaxially and slidably arranged in the outer pipe body (42), the top end of the inner pipe body (41) penetrates out of the tower body (1), a mounting ring (18) is fixedly arranged at the top end of the tower body (1), an adjusting piece (19) is rotatably arranged on the mounting ring (18), and the adjusting piece (19) is sleeved on the outer side of the inner pipe body (41) in a threaded manner; the utility model discloses a device for preventing and treating the air from being polluted, including inner tube body (41) and outer tube body (42), guide ring (9) and supporting ring (14) all set up to wavy along self circumference, the inboard that guide ring (9) is close to outlet duct (4) articulates through the articulated elements and sets up on inner tube body (41) lateral wall, offer waist type hole (20) that supply articulated elements lift to remove on outer tube body (42), the inboard that supporting ring (14) is close to outlet duct (4) articulates and sets up on the lateral wall of outer tube body (42), just the outside that guide ring (14) kept away from outlet duct (4) is connected with guide ring (9) rotation.
2. The marine desulfurization and decarbonization integrated absorption reaction tower according to claim 1, wherein: the desulfurization section (2) comprises a first rectifying layer (21), a plurality of first spraying layers (22) and a first demisting layer (23) which are sequentially arranged in the inner cavity of the tower body (1) at intervals from bottom to top, the air inlet end (3) is positioned below the first rectifying layer (21), and a first liquid outlet (8) is formed in the bottom end of the tower body (1).
3. The marine desulfurization and decarbonization integrated absorption reaction tower according to claim 1, wherein: the liquid collecting device is characterized in that a liquid collecting ring (11) is arranged below the guide ring (9) on the inner wall of the tower body (1), the inner periphery of the liquid collecting ring (11) is inclined upwards, a liquid collecting tank (12) is formed between the liquid collecting ring (11) and the inner wall of the tower body (1), the liquid collecting tank (12) is arranged right below the air inlet channel (10), and a second liquid outlet (13) communicated with the liquid collecting tank (12) is formed in the side wall of the tower body (1).
4. The marine desulfurization and decarbonization integrated absorption reaction tower according to claim 1, wherein: the top of outlet duct (4) wears out tower body (1), the top of outlet duct (4) is provided with air outlet regulating valve (15).
5. The marine desulfurization and decarbonization integrated absorption reaction tower according to claim 1, wherein: an air inlet pipe (16) is arranged at the air inlet end (3) of the tower body (1), and a cooling spraying layer (17) is arranged in the air inlet pipe (16).
6. The marine desulfurization and decarbonization integrated absorption reaction tower according to claim 1, wherein: an elastic sealing ring (24) is arranged above the waist-shaped hole (20) on the outer side wall of the outer tube body (42), the inner peripheral side of the elastic sealing ring (24) is in sealing connection with the outer tube body (42), and the outer peripheral side of the elastic sealing ring (24) is in sealing connection with the top wall of the guide ring (9).
7. A marine desulfurization and decarbonization integrated absorption reaction tower according to claim 3, wherein: the liquid collecting ring (11) is internally provided with a mesh plate (25), holes on the inner side of the mesh plate (25) are obliquely arranged towards the middle of the air outlet pipe (4), and holes on the outer side of the mesh plate (25) are obliquely arranged towards the air inlet channel (10).
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| CN202311360344.9A CN117085504B (en) | 2023-10-20 | 2023-10-20 | Marine desulfurization and decarbonization integrated absorption reaction tower |
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