CN209385100U - A kind of recyclable gas hydrate exploitation device - Google Patents

A kind of recyclable gas hydrate exploitation device Download PDF

Info

Publication number
CN209385100U
CN209385100U CN201821758989.2U CN201821758989U CN209385100U CN 209385100 U CN209385100 U CN 209385100U CN 201821758989 U CN201821758989 U CN 201821758989U CN 209385100 U CN209385100 U CN 209385100U
Authority
CN
China
Prior art keywords
gas
recyclable
gas hydrates
seawater
delver
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201821758989.2U
Other languages
Chinese (zh)
Inventor
邱春霖
欧阳传湘
马力
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yangtze University
Original Assignee
Yangtze University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yangtze University filed Critical Yangtze University
Priority to CN201821758989.2U priority Critical patent/CN209385100U/en
Application granted granted Critical
Publication of CN209385100U publication Critical patent/CN209385100U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

The utility model belongs to marine oil gas reservoir production technique field, and what is involved is a kind of recyclable gas hydrate exploitation devices.The utility model includes the special operation vessel of delver storage warehouse, seawater heating apparatus, recyclable hose, water vapor absorption device, special operation vessel air accumulator, delver power recovery system, delver.The utility model carries out gas-liquid separation to gas hydrates in seabed, then carries out natural gas gathering on collecting ship, and the pollution-free utilization of resource is accomplished in the use that the natural gas of decomposition directly feeds excavating gear and special operation vessel.Quarrying apparatus designed by the utility model is convenient for multiple operation convenient for recycling, reduces the limitation that previous gas hydrate exploitation device can only be exploited in somewhere, and circulation is efficient.

Description

A kind of recyclable gas hydrate exploitation device
Technical field
The utility model belongs to marine oil gas reservoir production technique field, and in particular to be a kind of recyclable gas water Close object quarrying apparatus.
Background technique
Into after 21 century, with the rapid growth of countries in the world economy, promote society to energy urgent need, the energy Crisis has become many country's most one of distinct issues in the world today.It is depleted with traditional energy, it is necessary to seek The new energy substance for looking for a kind of huge reserves, combustion cleaning, utilization rate high replaces traditional energy substance such as petroleum, coal Charcoal etc., this new energy substance is exactly gas hydrates.
Gas hydrates (Natural Gas Hydrate) are a kind of solid matters as ice of white, mainly It is non-stoichiometric, the cage type crystalline compounds that hydrone and methane are formed under the conditions ofs cryogenic high pressure etc., has extremely strong Burning capacity.The ingredient of methane accounts for 80%~99.9% in gas hydrates, so being optimal clean energy resource.It Right gas hydrate is with reserves are big, energy is high, prospect is wide, it is wide to bury, free of contamination feature.The gross reserves of gas hydrates is big It is approximately coal known to the whole world, petroleum, 2 times of natural gas summation.The releasable 164 cubic metres of natural gases of 1 cubic metre of gas hydrates With 0.8 cubic metre of water.The world resource amount of gas hydrates is about 2100 tcms, uses 1000 for the mankind Year, be imbedded in continent permafrost, inland lake deepwater environment, seabed are distributed, be even more after burning will not generate it is any Residue and exhaust gas.Therefore, gas hydrates are considered as 21 century optimal cleaning alternative energy source.
Gas hydrates are a kind of inferior stable state mineral being made of natural gas and water, are present in specific Temperature-pressure Conditions Under, once occurrence condition changes, balancing each other for gas hydrates will be destroyed, and cause gas hydrates point Solution.Traditional exploitation of gas hydrates technology is designed according to this property of gas hydrates, mainly includes Thermal excitation extraction system, decompression extraction system and chemical reagent inject extraction system, but these methods suffer from it is some inevitably scarce Point, such as: thermal excitation extraction system not yet well solves the lower problem of efficiency of heating- utilization so far, and can only carry out part and add Heat;Decompression extraction system has special requirement to the property of gas hydrates, only when gas hydrates are located at temperature and pressure When near equilibrium boundary, decompression extraction system just has economic feasibility;Although chemical-agent technique can reduce initial stage energy input, Chemical reagent somewhat expensive needed for it, it is slow to the effect of gas hydrates layer, but also some environmental problems can be brought. Device in traditional natural gas hydrate quarrying apparatus and method such as patent CN201711207166 is exactly typical uses Heat exploitation, but its device that device exploitation is depended on the speed of thermal decomposition, it is clear that its efficiency exploited is low-down. And traditional quarrying apparatus is all affixed to a certain gas hydrates reservoir area and immovable.
Utility model content
Deficiency in view of the above technology, the utility model provide a kind of recyclable gas hydrate exploitation device.
To achieve the above objectives, the utility model adopts the following technical solution:
A kind of recyclable gas hydrate exploitation device, including special operation vessel, it is characterised in that: the special type Operation ship includes delver storage warehouse;Seawater heating apparatus, recyclable hose, water vapor absorption dress are set on special operation vessel It sets, special operation vessel air accumulator;The seawater heating apparatus passes through the access nautical mile of seawater water inlet pipe;The seawater heating apparatus and It is connected between recyclable hose by seawater water pipe;Seawater intake pump is mounted in the seawater water pipe;The recyclable hose, Water vapor absorption device is connected with special operation vessel air accumulator by natural gas line;The recyclable hose connection delver is dynamic Power recovery system, delver;The recyclable hose includes hot water pipeline and natural gas output channel.
The delver is cylindrical in shape, and right end installs rotary head, and middle part installation gas hydrates preserve device;The rotation Rotor, which is faced left, holds connection positioning system and propulsion system;The gas hydrates preserve device left end and gas hydrates are transported Defeated pipeline is connected, and right end is connected with mixed waste liquor discharge line, and top is connected with recyclable hose;The day of the recyclable hose Right gas output channel preserves the natural gas generator above device with gas hydrates and is connected.
The gas hydrates preserve device inside, and there are also gas hydrates heating apparatus, gas-liquid separation device and days Right gas hydrate decompressor;The gas hydrates heating apparatus is mounted on gas hydrates and preserves on device side wall; The gas-liquid separation device is connect with mixed waste liquor discharge line;Mixed waste liquor discharge line one end directly with extraneous phase Even;The gas hydrates decompressor be mounted on gas hydrates preserve above device and with natural gas output channel phase Connection.
Further, the end of the seawater water inlet pipe is provided with seawater filtering device.
Further, the natural gas generator uses mechanical sealing, and sealing grade reaches IP67.
Further, connection transportation system above the gas hydrates transport pipeline, inside installation conveyer belt.
Further, the rotary head has two layers of cutter, and internal layer is four fan-shaped cutter, and outer layer is eight pointed tooths Shape cutter;The upper surface of described cutter inlay equal-sized cutting tooth.
The beneficial effects of the utility model are: the utility model carries out gas-liquid separation to gas hydrates in seabed, so Carry out natural gas gathering on special operation vessel afterwards, the natural gas of decomposition directly feeds making for excavating gear and special operation vessel With accomplishing the pollution-free utilization of resource.Quarrying apparatus designed by the utility model is convenient for multiple operation convenient for recycling, reduces The limitation that previous gas hydrate exploitation device can only be exploited in somewhere have the characteristics that recycle efficient.
Detailed description of the invention
Fig. 1 is a kind of recyclable gas hydrate exploitation device figure, and wherein arrow direction indicates fluid stream in pipeline Dynamic direction.
Fig. 2 is gas hydrates delver structure chart.
Fig. 3 is the front view of the rotary head of gas hydrates delver.
Fig. 4 is gas hydrates transport pipeline internal structure chart.
Wherein: 1- special operation vessel;2- seawater heating apparatus;3- seawater water pipe;4- water vapor absorption device;5- special type is made Industry ship air accumulator;6- seawater intake pump;7- delver power recovery system;8- seawater water inlet pipe;9- hot water pipeline;10- is natural Feed channel;11- seawater filtering device;12- natural gas output channel;Hose can be recycled in 13-;14- gas hydrates reservoir; 15- mixed waste liquor discharge line;16- gas hydrates heating apparatus;17- gas-liquid separation device;18- gas hydrates subtract Pressure device;19- gas hydrates preserve device;20- natural gas generator;21- transportation system;22- positioning system;23- is pushed away Into system;24- gas hydrates transport pipeline;25- rotary head;26- delver storage warehouse;27- delver;28- cutting Knife;29- cutting tooth;30- conveyer belt.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments.
As shown in Figure 1, a kind of recyclable gas hydrate exploitation device includes the special type of delver storage warehouse 26 Seawater heating apparatus 2, recyclable hose 13, water vapor absorption device 4, extraordinary work is arranged in operation ship 1 on special operation vessel 1 Industry ship air accumulator 5;The seawater heating apparatus 2 passes through the access nautical mile of seawater water inlet pipe 8;It the seawater heating apparatus 2 and can return It receives and is connected between hose 13 by seawater water pipe 3;Seawater intake pump 6 is mounted in the seawater water pipe 3;The recyclable hose 13, water vapor absorption device 4 and special operation vessel air accumulator 5 are connected by natural gas line 10;The recyclable hose 13 wraps Containing hot water pipeline 9 and natural gas output channel 12;The recyclable hose 13 connects delver power recovery system 7, delver 27。
The end of the seawater water inlet pipe 8 is provided with seawater filtering device 11;The seawater heating apparatus 2 is to pass through Internal resistance heating achievees the effect that seawater is heated, and the seawater after heating enters gas hydrates and preserves in device 19 Accelerate the decomposition of gas hydrates;Described 11 the inside filling sponge of seawater filtering device etc. filters out the sea grass etc. inside seawater Impurity guarantees that seawater water inlet pipe 8 is not blocked.
The seawater water pipe 3 is salt tolerant rubber tube, prevents the corrosion of seawater.
The water vapor absorption device 4 absorbs the silica gel of vapor main material.
As shown in figs. 2 to 4, the delver 27 is cylindrical in shape, and right end installs rotary head 25, and natural gas hydration is installed at middle part Object preserves device 19;25 left end of the rotary head connection positioning system 22 and propulsion system 23;The gas hydrates storage 19 left end of acquisition means is connected with gas hydrates transport pipeline 24, and right end is connected with mixed waste liquor discharge line 15, top with Recyclable hose 13 is connected;The natural gas output channel 12 and gas hydrates of the recyclable hose 13 preserve on device 19 The natural gas generator 20 of side is connected.
The gas hydrates preserve 19 inside of device, and there are also gas hydrates heating apparatus 16, gas-liquid separations to fill Set 17 and gas hydrates decompressor 18;The gas hydrates heating apparatus 16 is mounted on gas hydrates and preserves On 19 side wall of device;The gas-liquid separation device 17 is connect with mixed waste liquor discharge line 15;The mixed waste liquor discharge line 15 one end are directly connected with the external world;The gas hydrates decompressor 18 is mounted on gas hydrates and preserves device 19 Top is simultaneously connected with natural gas output channel 12.
The heating of gas hydrates heating apparatus 16 is using electromagnetic wave heating method.
The gas hydrates decompressor 18 is equipped with gas transport vacuum pump, can be by the natural gas transmission of decomposition To natural gas output channel 12.
The natural gas generator 20 is mainly the natural gas power energy supply by decomposing, when it is in delver storage warehouse 26 When, natural gas generator 20 charges, and guarantees the needs for having enough energy to meet delver 27 in undecomposed natural gas out.Institute Natural gas generator 20 is stated using mechanical sealing, and seals grade and reaches IP67.
Conveyer belt 30 is installed in connection transportation system 21, inside to the gas hydrates transport pipeline 24 above.
The rotary head 25 has two layers of cutter 28, and internal layer is four fan-shaped cutter 28, and outer layer is eight sharp-tooth shapeds Cutter 28;The upper surface of described cutter 28 inlay equal-sized cutting tooth 29.
After a certain region in ocean finds gas hydrates reservoir 14, the first step moves special operation vessel 1 It moves above gas hydrates reservoir 14, then gas hydrates delver 27 is launched into reservoir and is opened It adopts;The natural gas hydrate that delver 27 is exploited is stored in gas hydrates and preserved in device 19 by second step;Third step will Gas hydrates preserve the gas hydrates in device 19 and are decomposed by injection heating seawater, heating, decompression to it; The natural gas of decomposition is transported in special operation vessel air accumulator 5 by natural gas output channel 12 and is stored by the 4th step;The Natural gas in special operation vessel air accumulator 5 is transported to land up by special operation vessel 1 by five steps.
When the delver 27 is exploited in gas hydrates reservoir 14, positioning system 22 and propulsion system 23 are controlled Rotary head 25 carries out crushing collection to gas hydrates;Conveyer belt 30 in the gas hydrates transport pipeline 24 will Natural gas mixture is transported to gas hydrates and preserves in device 19;Heating seawater, natural gas hydration is added by intake pump 6 Object heating apparatus 16 and gas hydrates decompressor 18 preserve the gas hydrates in device 19 to gas hydrates Carry out fast decoupled;The natural gas sub-fraction of decomposition enters natural gas generator 20 by pipeline and generates electricity, and largely passes through day Right gas transport pipeline 12 reaches special operation vessel 1;Mud mixture after gas hydrate dissociation passes through gas-liquid separation device 17 effects enter mixed waste liquor discharge line 15 and are discharged.After the exploitation of gas hydrates in certain region, delver is dynamic Delver 27 is recovered in delver storage warehouse 26 by power recovery system 7 by recycling hose 13, continues the operation in next region.
Foregoing description is only the description to the utility model preferred embodiment, not to any limit of the scope of the utility model Fixed, any change, the modification that the those of ordinary skill in the utility model field does according to the disclosure above content belong to right and want Seek the protection scope of book.
The content that this specification is not described in detail belongs to the prior art well known to professional and technical personnel in the field.

Claims (5)

1. a kind of recyclable gas hydrate exploitation device, including special operation vessel (1), it is characterised in that: the spy Kind operation ship (1) has delver storage warehouse (26);Seawater heating apparatus (2), recyclable hose are set on special operation vessel (1) (13), water vapor absorption device (4), special operation vessel air accumulator (5);The seawater heating apparatus (2) passes through seawater water inlet pipe (8) access nautical mile;It is connected between the seawater heating apparatus (2) and recyclable hose (13) by seawater water pipe (3);The sea Seawater intake pump (6) are installed in water water pipe (3);The recyclable hose (13), water vapor absorption device (4) and special operation vessel Air accumulator (5) is connected by natural gas line (10);Recyclable hose (13) connection delver power recovery system (7), Delver (27);The recyclable hose (13) includes hot water pipeline (9) and natural gas output channel (12);
The delver (27) is cylindrical in shape, and right end installs rotary head (25), and middle part installation gas hydrates preserve device (19);Rotary head (25) left end connection positioning system (22) and propulsion system (23);The gas hydrates preserve Device (19) left end is connected with gas hydrates transport pipeline (24), and right end is connected with mixed waste liquor discharge line (15), top Portion is connected with recyclable hose (13);The natural gas output channel (12) and gas hydrates of the recyclable hose (13) store up Natural gas generator (20) above acquisition means (19) is connected;
The gas hydrates preserve device (19) internal also gas hydrates heating apparatus (16), gas-liquid separation device (17) and gas hydrates decompressor (18);The gas hydrates heating apparatus (16) is mounted on gas hydrates It preserves on device (19) side wall;The gas-liquid separation device (17) connect with mixed waste liquor discharge line (15);The mixing is useless Liquid discharge line (15) one end is directly connected with the external world;The gas hydrates decompressor (18) is mounted on natural gas hydration Object preserves above device (19) and is connected with natural gas output channel (12).
2. a kind of recyclable gas hydrate exploitation device according to claim 1, it is characterised in that: the sea The end of water water inlet pipe (8) is provided with seawater filtering device (11).
3. a kind of recyclable gas hydrate exploitation device according to claim 1 or 2, it is characterised in that: described Natural gas generator (20) uses mechanical sealing, and sealing grade reaches IP67.
4. a kind of recyclable gas hydrate exploitation device according to claim 3, it is characterised in that: described natural Conveyer belt (30) are installed in connection transportation system (21), inside to gas hydrate transport pipeline (24) above.
5. a kind of recyclable gas hydrate exploitation device according to claim 4, it is characterised in that: the rotation Cutterhead (25) has two layers of cutter (28), and internal layer is four fan-shaped cutter (28), and outer layer is eight sharp-tooth shaped cutter (28); The upper surface of described cutter (28) inlay equal-sized cutting tooth (29).
CN201821758989.2U 2018-10-29 2018-10-29 A kind of recyclable gas hydrate exploitation device Expired - Fee Related CN209385100U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821758989.2U CN209385100U (en) 2018-10-29 2018-10-29 A kind of recyclable gas hydrate exploitation device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821758989.2U CN209385100U (en) 2018-10-29 2018-10-29 A kind of recyclable gas hydrate exploitation device

Publications (1)

Publication Number Publication Date
CN209385100U true CN209385100U (en) 2019-09-13

Family

ID=67867439

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821758989.2U Expired - Fee Related CN209385100U (en) 2018-10-29 2018-10-29 A kind of recyclable gas hydrate exploitation device

Country Status (1)

Country Link
CN (1) CN209385100U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111852409A (en) * 2020-07-24 2020-10-30 黑龙江科技大学 Natural gas hydrate exploitation device and method
CN111980710A (en) * 2020-08-13 2020-11-24 常州大学 Recyclable and continuous natural gas hydrate exploitation device with desulfurization system and exploitation method
CN112963718A (en) * 2021-02-05 2021-06-15 中国船舶科学研究中心 Natural gas hydrate storage and transportation device and operation method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111852409A (en) * 2020-07-24 2020-10-30 黑龙江科技大学 Natural gas hydrate exploitation device and method
CN111852409B (en) * 2020-07-24 2022-05-06 黑龙江科技大学 Natural gas hydrate exploitation device and method
CN111980710A (en) * 2020-08-13 2020-11-24 常州大学 Recyclable and continuous natural gas hydrate exploitation device with desulfurization system and exploitation method
CN112963718A (en) * 2021-02-05 2021-06-15 中国船舶科学研究中心 Natural gas hydrate storage and transportation device and operation method
CN112963718B (en) * 2021-02-05 2022-05-27 中国船舶科学研究中心 Natural gas hydrate storage and transportation device and operation method

Similar Documents

Publication Publication Date Title
CN209385100U (en) A kind of recyclable gas hydrate exploitation device
CN100587227C (en) Method for exploiting natural gas hydrates and device thereof
CN105003237B (en) Geothermal exploitation of natural gas hydrates and CO2Integrated device and method for exhaust gas reinjection treatment
CN100434654C (en) Cogeneration method for desalinating sea water and exploiting ocean natural gas hydrates
CN103628880B (en) The green mining system of deep seafloor shallow-layer non-diagenesis formation gas hydrate
CN103628844B (en) The recovery method of the non-diagenesis formation gas hydrate of deep seafloor shallow-layer
CN102817596A (en) Ocean combustible ice mining device and method
CN105587303B (en) The lasting exploit method and quarrying apparatus of the non-diagenesis gas hydrates of sea-bottom shallow
CN105822266B (en) Sea bed gas hydrate slurry decomposition and separation is with removing silt modularization mining system
CN101864937A (en) Process for exploiting ocean gas hydrate by utilizing terrestrial heat
CN108412466B (en) Seabed natural gas hydrate exploitation device and exploitation method
CN105064959A (en) Method for green extraction of seabed unstratlfied rock natural gas hydrate
CN109488258B (en) Sea-bottom surface hydrate quarrying apparatus and its recovery method
CN1247526A (en) Method for recovering gas from hydrates
CN106522958A (en) Cutter exploitation method of seabed natural gas hydrates
CN106437653B (en) A kind of hydrate exploitation and the carbon dioxide sequestration integrated processes of note quick lime and carbon dioxide process
CN204851193U (en) Mining devices of seabed combustible ice
CN106321027A (en) Efficient and low-consumption method for exploiting natural gas hydrate of sea bed
CN105422055A (en) System and method for collaborative development of natural gas, water-soluble gas and natural gas hydrate
CN111648749A (en) Seabed shallow surface layer natural gas hydrate mobile vertical pipe type mining system and mining method
CN1587641A (en) Method and device for sea natural gas hydrate production
CN106884627A (en) A kind of sea bed gas hydrate quarrying apparatus
CN111852409B (en) Natural gas hydrate exploitation device and method
CN111608618B (en) Low-carbon ocean hydrate exploitation and power generation utilization system
CN1587642A (en) Method and device for sea natural gas hydrate production

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190913