CN114771755A - Offshore movable power plant - Google Patents
Offshore movable power plant Download PDFInfo
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- CN114771755A CN114771755A CN202210365669.5A CN202210365669A CN114771755A CN 114771755 A CN114771755 A CN 114771755A CN 202210365669 A CN202210365669 A CN 202210365669A CN 114771755 A CN114771755 A CN 114771755A
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- combustible ice
- power plant
- thermal power
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- seawater
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 130
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 53
- 239000012153 distilled water Substances 0.000 claims abstract description 21
- 239000013535 sea water Substances 0.000 claims abstract description 20
- 239000007787 solid Substances 0.000 claims abstract description 17
- 238000005065 mining Methods 0.000 claims abstract description 11
- 238000010438 heat treatment Methods 0.000 claims abstract description 9
- 239000013049 sediment Substances 0.000 claims abstract description 4
- 239000013505 freshwater Substances 0.000 claims description 19
- 238000012544 monitoring process Methods 0.000 claims description 16
- 239000012982 microporous membrane Substances 0.000 claims description 12
- 230000007613 environmental effect Effects 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 8
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 6
- 239000008213 purified water Substances 0.000 claims description 6
- 238000010248 power generation Methods 0.000 claims description 4
- 241000894006 Bacteria Species 0.000 claims description 3
- 230000000249 desinfective effect Effects 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 230000001954 sterilising effect Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 14
- 239000003345 natural gas Substances 0.000 description 9
- 241000282414 Homo sapiens Species 0.000 description 3
- 239000003245 coal Substances 0.000 description 3
- NMJORVOYSJLJGU-UHFFFAOYSA-N methane clathrate Chemical compound C.C.C.C.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O NMJORVOYSJLJGU-UHFFFAOYSA-N 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 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
- 230000006837 decompression Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- -1 natural gas compound Chemical class 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
- E21B41/0099—Equipment or details not covered by groups E21B15/00 - E21B40/00 specially adapted for drilling for or production of natural hydrate or clathrate gas reservoirs; Drilling through or monitoring of formations containing gas hydrates or clathrates
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/01—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells specially adapted for obtaining from underwater installations
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01D15/10—Adaptations for driving, or combinations with, electric generators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
- B63B2035/4433—Floating structures carrying electric power plants
- B63B2035/444—Floating structures carrying electric power plants for converting combustion energy into electric energy
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Hydrology & Water Resources (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Water Supply & Treatment (AREA)
- General Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Combustion & Propulsion (AREA)
- Ocean & Marine Engineering (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
A movable power plant on the sea belongs to the field of power systems. The invention aims to solve the problems of high cost and long period of storage and transportation of the existing produced combustible ice. The combustible ice mining device is used for collecting solid combustible ice in the seabed sediments and sending the solid combustible ice into the combustible ice processing device; the combustible ice processing device is used for carrying out temperature rise and pressure reduction processing on the solid combustible ice to release methane gas from the solid combustible ice, and inputting the methane gas into a thermal power plant; the system comprises a thermal power plant, a power station, a transformer substation and a power supply system, wherein the thermal power plant is used for heating seawater by using seawater and methane gas as input energy sources to generate high-temperature and high-pressure steam, a steam turbine in the thermal power plant is pushed to rotate by using the steam, the steam turbine rotates to drive a generator in the thermal power plant to rotate, and alternating current generated by the generator is boosted and then is transmitted to a transformer substation on the land; and also for converting seawater into distilled water during heating of the seawater. It uses the mined combustible ice to directly generate electricity.
Description
Technical Field
The invention relates to a power plant, and belongs to the field of power systems.
Background
With the increasing global population, the nonrenewable resources such as oil, natural gas and coal are gradually reduced, and the rudiment of energy crisis is also gradually formed, in order to solve the energy problem, in recent years, countries are looking for a new resource to replace the existing various chemical energy sources, wherein one resource is hopefully, namely combustible ice, which is considered as a resource expected to replace oil in the future, the combustible ice is a popular name of natural gas compound, which is mainly composed of gas hydrate, and the combustible ice can also be considered as one of chemical fuels because of the gas containing nitrogen, carbon dioxide, methane and the like, compared with the traditional resources such as natural gas, oil and the like, the advantages of the combustible ice are quite obvious, and when one unit of the combustible ice is decomposed, methane gas with the volume of 150 times and 180 times can be released, which also means under the same weight, the natural gas and oil gas resources decomposed from the combustible ice are dozens of times more than the resources generated naturally, and even if all the existing coal, oil and natural gas resources are added together, the total amount of the natural gas and oil gas resources is still lower than that of the combustible ice. The storage amount of combustible ice in the world is quite rich, the storage amount of combustible ice which is proved at present is enough to be used by all human beings for at least 1000 years according to preliminary estimation, the figure is further promoted with the fact that more combustible ice ores are proved subsequently, the mining condition of the combustible ice is superior, the largest carbonate crust in the world is found in the south sea area as early as 2009, a large amount of storage amount of the combustible ice exists locally, and the mined combustible ice needs to be stored and transported, so that the cost is high.
Disclosure of Invention
The invention aims to solve the problems of high cost and long period of the existing produced combustible ice to be stored and transported, and provides a movable power plant on the sea.
An offshore mobile power plant, which comprises an offshore cargo vessel, a thermal power plant 3, a combustible ice mining device 1 and a combustible ice processing device 2,
the thermal power plant 3, the combustible ice mining device 1, the combustible ice processing device 2 and the fresh water processing device 4 are all arranged on the offshore cargo vessel,
the combustible ice mining device 1 is used for collecting solid combustible ice in the submarine sediments and sending the solid combustible ice into the combustible ice processing device 2;
the combustible ice processing device 2 is used for carrying out temperature rise and pressure reduction processing on the solid combustible ice to release methane gas from the solid combustible ice, and inputting the methane gas into the thermal power plant 3;
the thermal power plant 3 is used for heating seawater by using seawater and methane gas as input energy sources to generate high-temperature and high-pressure steam, a steam turbine in the thermal power plant is pushed to rotate by using the steam, the steam turbine rotates to drive a generator in the thermal power plant to rotate, and alternating current generated by the generator is boosted and then is transmitted to a transformer substation on the land; and also for converting seawater into distilled water during heating of the seawater.
Preferably, the power plant further comprises a fresh water treatment device 4,
and a fresh water treatment device 4 for treating the distilled water output from the thermal power plant 3 into purified water for users.
Preferably, the alternating current generated by the generator is boosted and then transmitted to a substation on land through a submarine tunnel transmission cable or an offshore transmission line.
Preferably, the fresh water treatment device 4 comprises an ozone generator 4-1, a first water storage tank 4-2, a microporous membrane filter 4-3 and a second water storage tank 4-4;
the ozone generator 4-1 is connected with the first water storage tank 4-2 and is used for sterilizing and disinfecting distilled water, and the disinfected distilled water is sent into the first water storage tank 4-2;
the first water storage tank 4-2 is connected with the microporous membrane filter 4-3 and is used for conveying the sterilized distilled water into the microporous membrane filter 4-3;
and the microporous membrane filter 4-3 is connected with the second water storage tank and is used for removing bacteria and particles in the disinfected distilled water again to obtain purified water which is sent into the second water storage tank for storage 4-4.
The beneficial effects of the invention are:
this application is with thermal power factory construction on marine cargo ship, directly utilizes the combustible ice of submarine exploitation extraction to generate electricity as the power generation energy, recycles submarine tunnel transmission cable or offshore transmission line, carries land transformer substation with the electric energy that sends, carries the electric energy to thousands of households through the transformer substation. And the generator is directly powered by seawater, so that fresh water resources are saved.
This application advantage:
1. the produced combustible ice does not need to be transported and stored, and can be directly utilized as energy.
2. The fresh water resource is in short supply, and the seawater is directly utilized to generate electricity, so that the fresh water resource is saved.
3. The combustible ice hardly generates any residue or waste after combustion, so the pollution generated by combustion of the combustible ice is much less than that of energy sources such as coal, petroleum, natural gas and the like, and the combustible ice is particularly in line with the future development direction of human beings.
4. The utility model provides a movable power plant can follow the change in combustible ice exploitation resource place and remove, remains throughout directly over combustible ice exploitation department, and the methane gas that directly utilizes combustible ice to produce after the intensification decompression of being convenient for reaches the purpose of local materials. The novel energy of combustible ice is effectively utilized and converted into electric energy on the spot to be delivered out for human use. The problem of some local power supply inadequacies can be solved completely to this application output electric energy.
Consequently this application is at marine cargo ship construction thermal power factory, and the combustible ice that directly utilizes the seabed to open the extraction generates electricity as the power generation energy, because of local conditions, solves the problem of the power supply insufficiency in some places to save the cost of transportation combustible ice storage and transportation, avoid the problem of transportation cycle length.
Drawings
FIG. 1 is a schematic diagram of an offshore mobile power plant;
fig. 2 is a schematic diagram of a fresh water treatment device.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.
The invention is further described with reference to the following drawings and specific examples, which are not intended to be limiting.
The first embodiment is as follows: the present embodiment will be described with reference to fig. 1, and the offshore mobile power plant according to the present embodiment includes an offshore cargo ship, a thermal power plant 3, a combustible ice mining apparatus 1, and a combustible ice processing apparatus 2,
the thermal power plant 3, the combustible ice mining device 1, the combustible ice processing device 2 and the fresh water processing device 4 are all arranged on the offshore cargo vessel,
the combustible ice mining device 1 is used for collecting solid combustible ice in the seabed sediments and sending the solid combustible ice into the combustible ice processing device 2;
the combustible ice processing device 2 is used for carrying out temperature rise and pressure reduction processing on the solid combustible ice to release methane gas from the solid combustible ice, and inputting the methane gas into the thermal power plant 3;
the thermal power plant 3 is used for heating seawater by using seawater and methane gas as input energy sources to generate high-temperature and high-pressure steam, a steam turbine in the thermal power plant is pushed to rotate by the steam, the steam turbine rotates to drive a generator in the thermal power plant to rotate, and alternating current generated by the generator is boosted and then is transmitted to a transformer substation on the land; and also for converting seawater into distilled water during heating of the seawater.
In the embodiment, the combustible ice is the natural gas hydrate formed by combining natural gas and water molecules under the conditions of low temperature and high pressure, and the main gas for forming the natural gas hydrate is methane, so that the structural characteristics determine that the combustible ice is an energy source with high energy density and is a good clean energy source. Generally, about 0.8 cubic meter of water and 164 cubic meter of natural gas can be released after 1 cubic meter of combustible ice is decomposed at normal temperature and pressure. Therefore, during exploitation, a large amount of methane gas can be released only by heating and decompressing solid combustible ice, an offshore cargo ship carrying a thermal power plant and a fresh water treatment device is driven to a position right above an exploitation position of the combustible ice, fuel directly utilizes the methane gas released by the combustible ice, and a generator set directly uses seawater for water.
The second embodiment is as follows: the present embodiment is further defined by an offshore mobile power plant according to the first embodiment, wherein the power plant further comprises a fresh water treatment device 4,
and a fresh water treatment device 4 for treating the distilled water output from the thermal power plant 3 into purified water for users.
The third concrete implementation mode: in this embodiment, the ac power generated by the generator is boosted and then transmitted to the transformer substation on land through the submarine tunnel power transmission cable or the offshore power transmission line.
The fourth concrete implementation mode: the present embodiment is described with reference to fig. 2, and is further limited to the offshore movable power plant according to the second embodiment, in which the fresh water treatment device 4 includes an ozone generator 4-1, a first water storage tank 4-2, a microporous membrane filter 4-3, and a second water storage tank 4-4;
the ozone generator 4-1 is connected with the first water storage tank 4-2 and is used for sterilizing and disinfecting distilled water, and the disinfected distilled water is sent into the first water storage tank 4-2;
the first water storage tank 4-2 is connected with the microporous membrane filter 4-3 and is used for conveying the sterilized distilled water into the microporous membrane filter 4-3;
and the microporous membrane filter 4-3 is connected with the second water storage tank and is used for removing bacteria and particles in the disinfected distilled water again to obtain purified water which is sent into the second water storage tank for storage 4-4.
In the embodiment, distilled water discharged from a thermal power plant is used as a resource of the fresh water treatment device, so that a distillation link of seawater is omitted. The distilled water can be used by ship personnel only by being processed into pure water by a fresh water treatment device.
The fifth concrete implementation mode is as follows: the present embodiment is further defined by an offshore mobile power plant according to the first embodiment, wherein the power plant further comprises an environmental monitoring and exploration apparatus,
the environment monitoring and exploring device is arranged on the offshore cargo ship,
the environment monitoring and exploring device is used for monitoring marine environment and surveying combustible ice resources.
In this embodiment, the environmental monitoring and exploration device can be used to monitor marine pollution and data of biology, climate, wave, physics, chemistry, etc. and establish a marine environmental database to further understand the sea and understand the environmental factors for exploiting combustible ice. The combustible ice can be mined under the condition that the marine environment is stable.
The sixth specific implementation mode: the fifth embodiment is further defined by an offshore mobile power plant, in the fifth embodiment, the environmental monitoring and exploration device comprises a marine environmental monitoring device and a deep sea exploration device,
marine environment monitoring equipment for monitoring a marine environment;
deep sea exploration equipment is used for surveying combustible ice resources.
In this embodiment, the deep sea survey of the present application can also survey fishery resources in the deep sea.
Although the invention herein has been described with reference to particular embodiments, it is to be understood that these embodiments are merely illustrative of the principles and applications of the present invention. It is therefore to be understood that numerous modifications may be made to the illustrative embodiments and that other arrangements may be devised without departing from the spirit and scope of the present invention as defined by the appended claims. It should be understood that various dependent claims and the features described herein may be combined in ways different from those described in the original claims. It is also to be understood that features described in connection with individual embodiments may be used in other described embodiments.
Claims (6)
1. An offshore mobile power plant, characterized in that the power plant comprises an offshore cargo vessel, a thermal power plant (3), a combustible ice mining device (1) and a combustible ice processing device (2),
the thermal power plant (3), the combustible ice mining device (1), the combustible ice processing device (2) and the fresh water processing device (4) are all arranged on the offshore cargo ship,
the combustible ice mining device (1) is used for collecting solid combustible ice in the seabed sediments and sending the solid combustible ice into the combustible ice processing device (2);
the combustible ice processing device (2) is used for carrying out temperature rise and pressure reduction processing on solid combustible ice to release methane gas from the solid combustible ice, and the methane gas is input into a thermal power plant (3);
the thermal power plant (3) is used for heating seawater by using seawater and methane gas as input energy sources to generate high-temperature and high-pressure steam, a steam turbine in the thermal power plant is pushed to rotate by the steam, the steam turbine rotates to drive a generator in the thermal power plant to rotate, and alternating current generated by the generator is boosted and then is transmitted to a transformer substation on the land; and also for converting seawater into distilled water during heating of the seawater.
2. An offshore mobile power plant according to claim 1, characterized in that the power plant further comprises a fresh water treatment device (4),
and a fresh water treatment device (4) for treating the distilled water output from the thermal power plant (3) into purified water for users to use.
3. An offshore mobile power generation plant according to claim 1, wherein the ac power generated by the generator is boosted and transmitted to a substation on land via a submarine tunnel transmission cable or an offshore transmission line.
4. An offshore mobile power plant according to claim 2, characterized in that the fresh water treatment device (4) comprises an ozone generator (4-1), a water storage tank number one (4-2), a microporous membrane filter (4-3) and a water storage tank number two (4-4);
the ozone generator (4-1) is connected with the first water storage tank (4-2) and is used for sterilizing and disinfecting distilled water, and the disinfected distilled water is sent into the first water storage tank (4-2);
the first water storage tank (4-2) is connected with the microporous membrane filter (4-3) and is used for sending the sterilized distilled water into the microporous membrane filter (4-3);
and the microporous membrane filter (4-3) is connected with the second water storage tank and is used for removing bacteria and particles in the disinfected distilled water again to obtain purified water which is sent into the second water storage tank for storage (4-4).
5. An offshore mobile power plant according to claim 1, characterized in that the power plant further comprises environmental monitoring and exploration equipment,
the environment monitoring and exploring device is arranged on the offshore cargo ship,
the environment monitoring and exploring device is used for monitoring marine environment and surveying combustible ice resources.
6. An offshore mobile power generation plant according to claim 5, characterized in that the environmental monitoring and exploration equipment comprises marine environmental monitoring equipment and deep sea exploration equipment,
marine environment monitoring equipment for monitoring a marine environment;
deep sea exploration equipment is used for surveying combustible ice resources.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210365669.5A CN114771755A (en) | 2022-04-08 | 2022-04-08 | Offshore movable power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210365669.5A CN114771755A (en) | 2022-04-08 | 2022-04-08 | Offshore movable power plant |
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| Publication Number | Publication Date |
|---|---|
| CN114771755A true CN114771755A (en) | 2022-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210365669.5A Pending CN114771755A (en) | 2022-04-08 | 2022-04-08 | Offshore movable power plant |
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2022
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| CN107460858A (en) * | 2017-08-04 | 2017-12-12 | 上海船舶研究设计院（中国船舶工业集团公司第六0四研究院） | Multifunction fishing upper mounting plate |
| CN111608618A (en) * | 2020-06-01 | 2020-09-01 | 中国科学院工程热物理研究所 | Low-carbon ocean hydrate exploitation and power generation utilization system |
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