CN220573082U - CO in ship fuel smoke 2 Trapping system - Google Patents
CO in ship fuel smoke 2 Trapping system Download PDFInfo
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- CN220573082U CN220573082U CN202321806011.XU CN202321806011U CN220573082U CN 220573082 U CN220573082 U CN 220573082U CN 202321806011 U CN202321806011 U CN 202321806011U CN 220573082 U CN220573082 U CN 220573082U
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- flue gas
- temperature
- zeolite
- rotating wheel
- heat exchanger
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- 239000000779 smoke Substances 0.000 title claims abstract description 14
- 239000000446 fuel Substances 0.000 title claims abstract description 13
- 239000003546 flue gas Substances 0.000 claims abstract description 94
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 93
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims abstract description 74
- 229910021536 Zeolite Inorganic materials 0.000 claims abstract description 73
- 239000010457 zeolite Substances 0.000 claims abstract description 73
- 239000007789 gas Substances 0.000 claims abstract description 59
- 238000003795 desorption Methods 0.000 claims abstract description 21
- 239000007788 liquid Substances 0.000 claims abstract description 19
- 238000001179 sorption measurement Methods 0.000 claims abstract description 17
- 239000013535 sea water Substances 0.000 claims abstract description 15
- 238000001816 cooling Methods 0.000 claims abstract description 14
- 238000003860 storage Methods 0.000 claims abstract description 10
- 239000003517 fume Substances 0.000 claims description 11
- 239000002250 absorbent Substances 0.000 claims description 10
- 230000002745 absorbent Effects 0.000 claims description 10
- 239000000295 fuel oil Substances 0.000 claims description 4
- 230000007246 mechanism Effects 0.000 claims description 4
- 238000005406 washing Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims 3
- 150000001412 amines Chemical class 0.000 description 8
- 238000010521 absorption reaction Methods 0.000 description 7
- 238000005262 decarbonization Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 239000003463 adsorbent Substances 0.000 description 6
- 239000007921 spray Substances 0.000 description 6
- 238000005261 decarburization Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000009467 reduction Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000006477 desulfuration reaction Methods 0.000 description 2
- 230000023556 desulfurization Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000007857 degradation product Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- XKLJHFLUAHKGGU-UHFFFAOYSA-N nitrous amide Chemical compound ON=N XKLJHFLUAHKGGU-UHFFFAOYSA-N 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000005428 wave function Effects 0.000 description 1
Classifications
-
- 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
- Treating Waste Gases (AREA)
Abstract
The utility model discloses CO in ship fuel smoke 2 Trapping system and flue gas CO 2 The inlet of the flue gas pipeline of the heat exchanger is connected with high-temperature flue gas of a ship engine or a boiler, the outlet of the flue gas pipeline is connected with the flue gas inlet of the flue gas pretreatment unit, and CO 2 The inlet of the gas pipeline is aligned with the cooling area of the zeolite rotating wheel, CO 2 The outlet of the gas pipeline is aligned with the desorption area of the zeolite rotating wheel; the flue gas outlet of the pretreatment unit is aligned with the adsorption area of the zeolite rotating wheel; CO 2 High temperature CO for dispensers 2 The gas inlet is aligned with zeolite rotationA desorption zone of the wheel; inlet of seawater cooler and CO 2 A high temperature CO of the dispenser 2 The gas outlet is connected, and the outlet is aligned with the adsorption area of the zeolite rotating wheel; CO 2 Another high temperature CO of the dispenser 2 Gas outlet and CO 2 The liquefying unit is connected; CO 2 CO of liquefaction unit 2 The liquid outlet is connected with low-temperature CO 2 A liquid storage tank. The utility model has simple structure, small occupied space, small investment and low operation cost.
Description
Technical Field
The utility model relates to CO in ship fuel smoke 2 A trapping system.
Background
The current common carbon capture method is amine decarbonization, and the principle of the amine decarbonization is as follows:
the flue gas is introduced into a pretreatment tower through an induced draft fan, is sent to the bottom of an absorption tower after being subjected to the processes of cooling, dust removal, deep desulfurization, denitration and the like of the pretreatment tower, is in countercurrent contact with an absorbent flowing down from the top in the absorption tower, and is subjected to a heat and mass transfer process, and the decarbonized flue gas is discharged into the atmosphere. The absorbent in the absorption tower adopts mixed amine liquid, and utilizes the amine liquid to absorb CO at low temperature 2 CO release at high temperature 2 Is a principle of (a). The absorbent absorbs CO as a lean solution in an absorption tower 2 Then enters a desorption tower, the rich liquid regenerates the absorbent by heating and the like, and CO is separated out 2 ，CO 2 Through the pressurization of the compressor and the liquefaction after the temperature reduction of the cooler, the CO 2 And (5) storing in a storage tank.
The following problems exist when the amine decarbonization system is used for ships:
1. the structure is complex, and the occupied space is large: the amine decarbonization system needs to be provided with an absorption tower and a desorption tower, and the occupied area of the double towers is relatively large; because of the limited space of the ship, equipment with complex system and large volume is not suitable to be installed.
2. The power consumption of the power equipment is large: the amine decarbonization system needs to be provided with a rich liquid pump, a lean liquid pump and a compressor, and the three power devices have higher power; due to limited mechanical power on board the vessel. It is necessary to add a decarbonization system old ship without supplying surplus power to the mechanical consumption of the power plant. If a decarburization system is added in new shipbuilding, an additional energy reserve for supplying energy to the power equipment is required, which results in a great reduction in available cargo space of the ship and is uneconomical.
3. Large investment and high operation cost: the initial investment cost of the investment total cost of an absorption tower and a desorption tower in the amine decarburization system accounts for 70 percent, the operation cost accounts for 30 percent, and the carbon capture cost is 20 to 190$/tCO 2 The range is not equal. The regeneration of the absorbent in the desorber also requires a large amount of heat energy to be consumed.
4. The absorbent degradation products are harmful to the environment: the absorbent is degraded to produce nitrosamine and ammonium nitrate substances, and the substances have great influence on the environment and human health after being diffused in the atmosphere.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide the CO in the fuel fume of the ship 2 The trapping system has the advantages of simple structure, small occupied space, small investment and low operation cost.
The purpose of the utility model is realized in the following way: CO in ship fuel smoke 2 The trapping system comprises a flue gas pretreatment unit, a zeolite rotating wheel of an induced draft fan and flue gas CO 2 Heat exchanger, CO 2 Distributor, seawater cooler, CO 2 Liquefaction unit and cryogenic CO 2 A liquid storage tank; wherein,
the zeolite rotating wheel is driven by a power mechanism to rotate, the right lower part of the zeolite rotating wheel is an adsorption zone, the left upper part of the zeolite rotating wheel is a desorption zone, and the right upper part of the zeolite rotating wheel is a cooling zone;
the flue gas CO 2 A heat exchanger is arranged in front of the zeolite rotating wheel, and the flue gas CO 2 The heat exchanger comprises a flue gas pipeline and CO 2 A gas line; the flue gas inlet of the flue gas pipeline is connected with high-temperature flue gas of a ship engine or a boiler, and the flue gas outlet of the flue gas pipeline is connected with the flue gas inlet of the flue gas pretreatment unit; the CO 2 CO of gas pipeline 2 The gas inlet is aligned with the cooling zone of the zeolite wheel, the CO 2 CO of gas pipeline 2 The gas outlet is aligned with the desorption zone of the zeolite wheel;
the flue gas pretreatment unit and the induced draft fan are sequentially arranged at the rear part of the zeolite rotating wheel; a flue gas outlet of the flue gas pretreatment unit is aligned with an air inlet of the induced draft fan, and an air outlet of the induced draft fan is aligned with an adsorption area of the zeolite rotating wheel;
the CO 2 A distributor is arranged behind the zeolite wheel, the CO 2 The distributor is provided with a high temperature CO 2 Gas inlet and two high temperature CO 2 A gas outlet; the high temperature CO 2 The gas inlet is aligned with the desorption zone of the zeolite wheel;
the seawater cooler is arranged behind the zeolite rotating wheel, and the inlet of the seawater cooler and the CO 2 A high temperature CO of the dispenser 2 The outlet of the seawater cooler is aligned with the adsorption zone of the zeolite rotating wheel;
the CO 2 CO of liquefaction unit 2 Gas inlet and the CO 2 Another high temperature CO of the dispenser 2 The gas outlet is connected;
the low temperature CO 2 Liquid storage tank and said CO 2 CO of liquefaction unit 2 The liquid outlet is connected.
CO in the fuel fume of the ship 2 A capture system, wherein the flue gas CO 2 Flue gas pipeline and CO of heat exchanger 2 The pipelines are staggered and overlapped.
CO in the fuel fume of the ship 2 The collecting system comprises a flue gas pretreatment unit and a collecting system, wherein the flue gas pretreatment unit comprises a flue gas pretreatment spray layer, an absorbent spray layer and a water washing spray layer.
CO in the fuel fume of the ship 2 A capture system, wherein the CO 2 The liquefying unit is a thermoacoustic refrigerator and comprises a thermoacoustic engine, a low-temperature end heat exchanger, a high-temperature end heat exchanger and a heat regenerator connected between the low-temperature end heat exchanger and the high-temperature end heat exchanger; the thermoacoustic engine is powered by high-temperature smoke of a ship engine or a boiler to generate sound waves, and the high-temperature smoke passes through the thermoacoustic engine and then enters a smoke inlet of the smoke pretreatment unit; the low temperature side heat exchanger receives heat converted by sound wavesWork, CO of the low-temperature end heat exchanger 2 Gas inlet and the CO 2 Another high temperature CO of the dispenser 2 The gas outlet is connected.
CO in the fuel fume of the ship 2 The trapping system has the following characteristics:
1. the system has simple structure and small occupied space: without the need of an absorption tower and an analysis tower, the CO of the utility model 2 The trapping system is only provided with one set of zeolite rotating wheel, the zeolite rotating wheel integrates the adsorption area and the desorption area to a high degree, the occupied planar space is small, and a large amount of cargo space is saved for the ship;
2. the power parts are few, and the extra power of the ship is basically not consumed: the conversion of the adsorbent in the zeolite wheel does not require pumping for transfer, and only a small amount of power is provided for the zeolite wheel; the energy consumption is greatly reduced without a compressor, and the method is very suitable for the existing old ship reconstruction project; meanwhile, the method is also suitable for new shipbuilding, and when the new shipbuilding needs to add the CO of the utility model 2 When the system is trapped, no extra energy storage space is needed, and no extra decarburization cost is needed;
3. the investment is small, and the running cost is low: the CO of the present utility model 2 The trapping system has the advantages of simple structure, low initial investment cost, no power parts basically in the operation process, no additional consumption, easy maintenance, and energy conservation and emission reduction realized by mainly utilizing the waste heat of the ship engine or the boiler, and the operation cost is reduced, thereby conforming to the social development trend.
4. The thermal stability of the adsorption zeolite is good, and harmful degradation substances are not generated: the adsorption zeolite belongs to an environment-friendly product, and does not have adverse effects on human bodies and the environment.
Drawings
FIG. 1 is CO in marine fuel fumes of the utility model 2 A principle structural diagram of the trapping system;
FIG. 2 is a CO of the present utility model 2 Schematic structure of zeolite wheel in trapping system;
FIG. 3 is a CO of the present utility model 2 Capturing flue gas CO in a system 2 A perspective view of the heat exchanger;
FIG. 4 is a CO of the present utility model 2 Capturing flue gas CO in a system 2 A side view of the heat exchanger;
FIG. 5 is a CO of the present utility model 2 Capturing CO in a system 2 Schematic diagram of the liquefaction unit.
Detailed Description
The utility model will be further described with reference to the accompanying drawings.
Referring to fig. 1 to 5, the present utility model is directed to CO in fuel fumes of ships 2 The trapping system comprises a flue gas pretreatment unit 1, an induced draft fan 2, a zeolite rotating wheel 3 and flue gas CO 2 Heat exchanger 4, CO 2 Distributor 5, seawater cooler 6 and CO 2 Liquefaction unit 7 and cryogenic CO 2 A liquid storage tank 8.
The zeolite rotating wheel 3 is driven to rotate by a power mechanism 30, and the right lower part of the zeolite rotating wheel 3 is an adsorption zone 31; the upper left part of the zeolite rotating wheel 3 is a desorption zone 32, and the upper right part of the zeolite rotating wheel 3 is a cooling zone 33;
flue gas CO 2 A heat exchanger 4 is arranged in front of the zeolite rotor 3, the flue gas CO 2 The heat exchanger 4 comprises a flue gas duct 41 and CO 2 A line 42; flue gas line 41 and CO 2 The gas lines 42 are each formed of a plurality of annular tubes, an inlet header and an outlet header, the annular tubes being formed of oblong microchannels; multiple annular tubes of flue gas line 41 and CO 2 The plurality of annular tubes of the gas line 42 are stacked in staggered fashion; the flue gas inlet 411 of the flue gas pipeline 41 is connected with high-temperature flue gas of a ship engine or a boiler, and the flue gas outlet 412 of the flue gas pipeline 41 is connected with the flue gas inlet of the flue gas pretreatment unit 1; CO 2 CO of gas line 42 2 The gas inlet 421 is aligned with the cooling zone 33 of the zeolite rotor 3, co 2 CO of gas line 42 2 The gas outlet 422 is aligned with the desorption zone 32 of the zeolite rotor 3;
the flue gas pretreatment unit 1 and the induced draft fan 2 are sequentially arranged behind the zeolite rotating wheel 3; the flue gas pretreatment unit 1 comprises a flue gas pretreatment spray layer, an absorbent spray layer and a water washing spray layer; the flue gas outlet of the flue gas pretreatment unit 1 is aligned with the air inlet of the induced draft fan 2; the air outlet of the induced draft fan 2 is aligned with the adsorption area 31 of the zeolite rotating wheel 3;
CO 2 a distributor 5 is arranged behind the zeolite rotor 3, the CO 2 The distributor 5 is provided with a high temperature CO 2 Gas inlet and two high temperature CO 2 A gas outlet; high temperature CO 2 The gas inlet is aligned with the desorption zone 32 of the zeolite rotor 3;
a seawater cooler 6 is arranged behind the zeolite rotating wheel 3, and the inlet of the seawater cooler 6 and CO 2 A high temperature CO of the distributor 5 2 The gas outlet is connected; the outlet of the seawater cooler 6 is aligned with the adsorption zone 31 of the zeolite wheel 3;
CO 2 the liquefaction unit 7 is a thermo-acoustic refrigerator and comprises a thermo-acoustic engine 70, a low-temperature end heat exchanger 71, a high-temperature end heat exchanger 73 and a regenerator 72 connected between the low-temperature end heat exchanger 71 and the high-temperature end heat exchanger 72; the thermo-acoustic engine 70 is powered by high-temperature flue gas of a ship engine or a boiler to generate sound waves, and the high-temperature flue gas passes through the thermo-acoustic engine 70 and then enters a flue gas inlet of the flue gas pretreatment unit 1; the low temperature side heat exchanger 71 receives heat energy converted by sound waves, and CO of the low temperature side heat exchanger 71 2 Gas inlet and CO 2 Another high temperature CO of dispenser 5 2 The gas outlet is connected;
low temperature CO 2 Liquid storage tank 8 and CO 2 CO of low temperature side heat exchanger 71 of liquefaction unit 7 2 The liquid outlet is connected.
CO in the fuel fume of the ship 2 The trapping system works as follows:
the high-temperature flue gas enters a flue gas pretreatment unit 1, after being pretreated, the high-temperature flue gas becomes low-temperature desulfurization and denitrification flue gas, then enters an adsorption zone 31 of a zeolite rotating wheel 3 through a draught fan 2, and the zeolite rotating wheel 3 adsorbs CO in the flue gas 2 And then the low-temperature decarbonization flue gas is discharged into the atmosphere. Zeolite rotor 3 for adsorbing CO 2 After reaching saturation, the gas is driven by the power mechanism 30 to be transferred to the desorption zone 32 and is subjected to CO 2 After the heat exchanger 4 heats up, CO 2 Is separated out and discharged to CO 2 Distributor 5, CO 2 CO in dispenser 5 2 Is CO at high temperature 2 Gas, while in zeolite wheel 3The green adsorbent also becomes a high temperature adsorbent. CO 2 The distributor 5 is calculated and analyzed, and a part of the high-temperature CO 2 The gas enters a seawater cooler 6, and the other part of the high-temperature CO 2 The gas is discharged to CO 2 And a liquefaction unit 7. CO cooled by seawater cooler 6 2 The gas enters the cooling zone 33 of the zeolite rotating wheel 3 to cool the high temperature adsorbent of the zeolite rotating wheel 3 into low temperature adsorbent, so that the low temperature adsorbent enters the state to be adsorbed, and meanwhile, the part of CO is absorbed 2 Gas reentry into flue gas CO 2 A heat exchanger 4. Flue gas CO 2 The heat exchange source of the heat exchanger 4 is high-temperature flue gas from a ship engine or a boiler, and the high-temperature flue gas passes through flue gas CO 2 The low-temperature flue gas is changed into low-temperature flue gas after being heated by the heat exchanger 4 and is discharged to the flue gas pretreatment unit 1; cooled CO from cooling zone 33 of zeolite rotor 3 2 Gas-over-flue gas CO 2 After being heated by the heat exchanger 4 (high temperature flue gas), enters the desorption zone 32 of the zeolite rotating wheel 3 to heat the CO-enriched gas 2 To make CO with high concentration 2 The gas is separated out and discharged to CO 2 A dispenser 5. So circularly reciprocate, CO 2 Is continuously collected and stored, wherein a small part of CO 2 As a circulating medium to power desorption.
The desorbing zone 32, the cooling zone 33 and the adsorbing zone 31 of the zeolite wheel 3 are periodically rotated, and when the adsorbing zone 31 of the zeolite wheel 3 adsorbs CO 2 The saturated zeolite is transferred to a desorption zone 32 of the zeolite rotating wheel 3 to absorb heat of the zeolite and separate out CO 2 At the same time, the desorption zone 32 of the zeolite rotating wheel 3 is transferred to the cooling zone 31 of the zeolite rotating wheel 3 to carry out zeolite cooling to absorb CO 2 In preparation, the cooling zone 31 of the zeolite rotor 3 is transferred to the adsorption zone 31 of the zeolite rotor 3, the zeolite adsorbs CO 2 Finish CO 2 Adsorption and desorption circulation, the circulation is repeated, and flue gas decarburization is realized.
Flue gas CO 2 The heat exchanger 4 transfers heat through the metal wall surface of the pipeline, and CO 2 Heated by high-temperature flue gas until the zeolite rotating wheel 3 can separate out CO 2 The required temperature.
CO 2 The liquefying unit 7 is a thermoacoustic refrigerator, the power source is from the waste heat of high-temperature flue gas of a ship engine or a boiler, and the thermoacoustic refrigerator converts heat energy intoAcoustic energy, and then the refrigeration is realized by consuming the acoustic energy, so that the gaseous CO 2 Is converted into liquid state and stored in low-temperature CO 2 In the liquid storage tank 8. The high temperature flue gas passes through the thermo-acoustic engine 70 to provide a power source for the thermo-acoustic engine 70 to generate sound waves. The initial temperature of the gas micro-clusters 720 in the heat regenerator 72 is lower than the temperature of the low-temperature end heat exchanger 71, the gas micro-clusters 720 absorb heat in the low-temperature end heat exchanger 71 and then move towards one end of the high-temperature end heat exchanger 73 under the action of the sound wave function, and in the moving process, the gas micro-clusters 720 change into adiabatic compression, and the pressure and the temperature are increased; when the gas micro-clusters 720 move to one end of the high-temperature end heat exchanger 73, the temperature of the gas micro-clusters 720 is higher than that of the high-temperature end heat exchanger 73, heat is released to the high-temperature end heat exchanger 73, and the heat is taken away by the high-temperature end heat exchanger 73; thereafter, the gas micro-clusters 720 move to one end of the low temperature side heat exchanger 71, the gas micro-clusters 720 change into adiabatic expansion, and the pressure and the temperature are reduced; when the gas micro-clusters 720 move to one end of the low-temperature-end heat exchanger 71, the temperature of the gas micro-clusters 720 is lower than that of the low-temperature-end heat exchanger 71, the gas micro-clusters 720 absorb the heat of the low-temperature-end heat exchanger 71, the temperature of the low-temperature-end heat exchanger 71 is reduced, and the gaseous CO is discharged 2 Liquefaction, CO after liquefaction 2 Is discharged to low temperature CO 2 A liquid storage tank 8.
The above embodiments are provided for illustrating the present utility model and not for limiting the present utility model, and various changes and modifications may be made by one skilled in the relevant art without departing from the spirit and scope of the present utility model, and thus all equivalent technical solutions should be defined by the claims.
Claims (4)
1. CO in ship fuel smoke 2 The trapping system comprises a flue gas pretreatment unit and low-temperature CO 2 A liquid storage tank, characterized in that the CO 2 The trapping system also comprises a zeolite rotating wheel and flue gas CO 2 Heat exchanger, induced draft fan and CO 2 Distributor, seawater cooler and CO 2 A liquefaction unit;
the zeolite rotating wheel is driven by a power mechanism to rotate, the right lower part of the zeolite rotating wheel is an adsorption zone, the left upper part of the zeolite rotating wheel is a desorption zone, and the right upper part of the zeolite rotating wheel is a cooling zone;
the flue gas CO 2 A heat exchanger is arranged in front of the zeolite rotating wheel, and the flue gas CO 2 The heat exchanger comprises a flue gas pipeline and CO 2 A gas line; the flue gas inlet of the flue gas pipeline is connected with high-temperature flue gas of a ship engine or a boiler, and the flue gas outlet of the flue gas pipeline is connected with the flue gas inlet of the flue gas pretreatment unit; the CO 2 CO of gas pipeline 2 The gas inlet is aligned with the cooling zone of the zeolite wheel, the CO 2 CO of gas pipeline 2 The gas outlet is aligned with the desorption zone of the zeolite wheel;
the flue gas pretreatment unit and the induced draft fan are sequentially arranged at the rear part of the zeolite rotating wheel; a flue gas outlet of the flue gas pretreatment unit is aligned with an air inlet of the induced draft fan, and an air outlet of the induced draft fan is aligned with an adsorption area of the zeolite rotating wheel;
the CO 2 A distributor is arranged behind the zeolite wheel, the CO 2 The distributor is provided with a high temperature CO 2 Gas inlet and two high temperature CO 2 A gas outlet; the high temperature CO 2 The gas inlet is aligned with the desorption zone of the zeolite wheel;
the seawater cooler is arranged behind the zeolite rotating wheel, and the inlet of the seawater cooler and the CO 2 A high temperature CO of the dispenser 2 The outlet of the seawater cooler is aligned with the adsorption zone of the zeolite rotating wheel;
the CO 2 CO of liquefaction unit 2 Gas inlet and the CO 2 Another high temperature CO of the dispenser 2 The gas outlet is connected;
the low temperature CO 2 Liquid storage tank and said CO 2 CO of liquefaction unit 2 The liquid outlet is connected.
2. CO in marine fuel fumes according to claim 1 2 The trapping system is characterized in that the flue gas CO 2 Flue gas pipeline and CO of heat exchanger 2 The pipelines are staggered and overlapped.
3. CO in marine fuel fumes according to claim 1 2 The trapping system is characterized in that the flue gas pretreatment unit comprises a flue gas pretreatment spraying layer, an absorbent spraying layer and a water washing spraying layer.
4. CO in marine fuel fumes according to claim 1 2 A capturing system characterized in that the CO 2 The liquefying unit is a thermoacoustic refrigerator and comprises a thermoacoustic engine, a low-temperature end heat exchanger, a high-temperature end heat exchanger and a heat regenerator connected between the low-temperature end heat exchanger and the high-temperature end heat exchanger; the thermoacoustic engine is powered by high-temperature smoke of a ship engine or a boiler to generate sound waves, and the high-temperature smoke passes through the thermoacoustic engine and then enters a smoke inlet of the smoke pretreatment unit; the low-temperature end heat exchanger receives heat energy converted by sound waves, and CO of the low-temperature end heat exchanger 2 Gas inlet and the CO 2 Another high temperature CO of the dispenser 2 The gas outlet is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321806011.XU CN220573082U (en) | 2023-07-10 | 2023-07-10 | CO in ship fuel smoke 2 Trapping system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321806011.XU CN220573082U (en) | 2023-07-10 | 2023-07-10 | CO in ship fuel smoke 2 Trapping system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220573082U true CN220573082U (en) | 2024-03-12 |
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ID=90108246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321806011.XU Active CN220573082U (en) | 2023-07-10 | 2023-07-10 | CO in ship fuel smoke 2 Trapping system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220573082U (en) |
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2023
- 2023-07-10 CN CN202321806011.XU patent/CN220573082U/en active Active
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