CN106884627B - A kind of sea bed gas hydrate quarrying apparatus - Google Patents
A kind of sea bed gas hydrate quarrying apparatus Download PDFInfo
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- CN106884627B CN106884627B CN201710190397.9A CN201710190397A CN106884627B CN 106884627 B CN106884627 B CN 106884627B CN 201710190397 A CN201710190397 A CN 201710190397A CN 106884627 B CN106884627 B CN 106884627B
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- hydrate
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- air
- collecting pipe
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- 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 title claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 claims abstract description 34
- 230000008929 regeneration Effects 0.000 claims description 21
- 238000011069 regeneration method Methods 0.000 claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 238000011084 recovery Methods 0.000 claims description 10
- 230000001105 regulatory effect Effects 0.000 claims description 10
- 238000002347 injection Methods 0.000 claims description 8
- 239000007924 injection Substances 0.000 claims description 8
- 230000008676 import Effects 0.000 claims description 5
- 239000013535 sea water Substances 0.000 claims description 3
- 239000007789 gas Substances 0.000 abstract description 97
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 56
- 239000003345 natural gas Substances 0.000 abstract description 26
- 238000005516 engineering process Methods 0.000 abstract description 4
- 239000012530 fluid Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 15
- 150000004677 hydrates Chemical class 0.000 description 12
- 238000010586 diagram Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 230000006837 decompression Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000013043 chemical agent Substances 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- 238000010494 dissociation reaction Methods 0.000 description 3
- 230000005593 dissociations Effects 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 description 3
- 239000011707 mineral Substances 0.000 description 3
- 238000005065 mining Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 235000019441 ethanol Nutrition 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
-
- 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
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
- E21B43/24—Enhanced recovery methods for obtaining hydrocarbons using heat, e.g. steam injection
-
- 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
- E21B43/34—Arrangements for separating materials produced by the well
- E21B43/40—Separation associated with re-injection of separated materials
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Abstract
A kind of gas hydrate exploitation device specifically includes that extracting boat, vortex tube, air collecting pipe, gas production casing and collecting hood, the high-pressure natural gas from compressor enter vortex tube, high pressure gas is separated into hot and cold two fluids.Hot fluid is directly entered hydrate reservoir, and solid-state hydrate is heated to be decomposed into natural gas, enters collecting hood by air collecting pipe and collects, and cold airflow is for keeping reservoir structure in production process to stablize.Compared with existing hydrate exploitation technology, the present invention relies on the natural gas generated during hydrate is carried out as power source, without consuming additional energy source, has many advantages, such as that cost of investment is low, operating cost is few, environmentally friendly, efficient, there is wide application prospect in sea bottom hydrate exploitation.
Description
Technical field:
The present invention relates to a kind of gas hydrate exploitation devices, in particular for developing the gas water contained in seabed
Close the device of object exploitation.
Background technique:
Gas hydrates are commonly called as " combustible ice ", are the class ice being made of under certain condition water and natural gas, non-ization
Learn the cage type crystalline compounds of metering.Gas hydrates present in nature are mostly methane hydrate.Hydrate
It is one of the high-efficiency cleaning energy most with prospects at present, every cubic metre of gas hydrates can release 164 cubic metres
Methane.Have now been found that CH in the gas hydrates within 3000 meters of the depth of water4Carbon total amount be equivalent to coal known to the whole world, stone
Two times of oil, natural gas total amount, about 2.1 × 1016m3, mankind's energy demand in 1000 can be met.
Current hydrate recovery method mainly has: heat shock method, decompression method, chemical-agent technique.
Heat shock method is directly to heat to gas hydrates layer, makes the temperature of gas hydrates layer more than its balance
Temperature, so that promoting gas hydrate dissociation is water and gas extraction method.The heating means of selection have injection hot water
Or steaming process, electromagnetic heating method and microwave heating method etc..The major defect of this method is that heat-energy losses are big, there is 10% in heating
Heat waste to 75% loses, and efficiency of heating- utilization is lower, the higher cost of exploitation.
Chemical-agent technique is by injecting certain chemical reagent into gas hydrates layer, such as salt water, methanol, ethyl alcohol, second
Glycol etc. changes the phase balance condition of gas hydrate synthesis, reduces the equilibrium temperature of hydrate, promotes gas hydrate dissociation.
For this method the disadvantage is that effect is slow, expense is too high.In addition, the chemical reagent filled may cause biggish break to environment
It is bad.
Decompression extraction system is that the phase equilibrium line for keeping gas hydrates stable by reducing pressure moves, to promote
Make the recovery method of gas hydrate dissociation.Realizing generally by the episome natural gas extracted under hydrate layer reduces water
The pressure for closing object, makes the hydrate contacted with natural gas become unstable and is decomposed into natural gas and water.Decompression exploitation is natural
Often speed is slower for gas, and has special requirement to the property of gas hydrates reservoir, only when gas hydrates store up
When layer is located near temperature and pressure equilibrium boundary, decompression method just has economic feasibility.
It is compared in marine rock with petroleum, natural gas since gas hydrates are buried, the difficulty of probing will greatly very
It is more, it is not easy to exploit and transport.Gas hydrates are a kind of metastable state mineral, are buried in solid form, in recovery process
Easily lead to mining site collapsing.The generally existing production efficiency of current hydrate exploitation technology is low, high production cost, recovery process
Middle reservoir is easy the problems such as collapsing unstability, in order to overcome the drawbacks of the prior art, proposes a kind of sea bottom hydrate quarrying apparatus,
To realize that efficient, the large scale mining of hydrate open up a new way.
Summary of the invention:
The present invention relates to a kind of gas hydrate exploitation devices, specifically include that extracting boat, vortex tube, air collecting pipe, gas production
Casing and gas gathering mask are disposed with hydrate regeneration room and gas compressor, the outlet peace of gas compressor on the extracting boat
Equipped with high pressure steam separator, the one outlet of high pressure steam separator is connected by pipeline with hydrate regeneration room, and another outlet passes through
Gas injection pipeline is connected with the minor air cell of vortex tube, and the cold end pipe end of vortex tube is deep into air collecting pipe, the periphery peace of air collecting pipe
Equipped with gas production casing, the outlet of air collecting pipe is connected with the air inlet of natural gas collecting cover, and natural gas collecting cover gas outlet passes through
Gas gathering line is connected with the entrance of low pressure steam separator, and the one outlet of low pressure steam separator is connected with the import of gas compressor,
Another outlet is connected with gas engine air supply opening.
The vortex tube is made of minor air cell, cold end pipe, end tube, and end tube outlet is equipped with thermal regulating valve, cold
End pipe end is equipped with the cold air connecting tube being arranged symmetrically, and cold air connecting tube is formed by with gas production pipe outer wall and gas production internal surface of sleeve pipe
Cold air ring cavity is connected.
Be disposed with metering pump on the extracting boat, the water inlet submergence of metering pump in the seawater, outlet by pipeline with
Hydrate generates room and is connected.
Condenser is disposed in the hydrate regeneration room, the entrance of condenser passes through cold air recovery line and cold air ring
Chamber is connected, and the outlet of condenser is connected with the import of gas compressor.
The air collecting pipe and gas production casing is cylindrical shape, and gas production casing one end is fixed on sea bed, and the other end is deep
To sea bed hereinafter, air collecting pipe is mounted in gas production casing, it is connected to gas gathering mask and hydrate cavity, keeps coaxial with the two.
The gas gathering mask may float on sea level, and bottom surface is horizontal, and bottom surface is provided with air inlet, and top is provided with
Gas outlet is equipped with pressure sensor, temperature sensor and automatic regulating valve on gas outlet.
Compared with prior art, the invention has the following beneficial effects:
(1) it is worked using the natural gas produced as driven by energy gas compressor, is not necessarily to extra power, corollary system
Few, cost of winning is low；
(2) hydrate mineral reserve are heated using the thermal current that vortex tube generates, keeps mineral reserve in production process using cold airflow
Stable structure, it is applied widely, to hydrate hiding layer without particular/special requirement.
(3) it is not necessarily to chemical agent, no pollution to the environment realizes environmentally protective exploitation.
Detailed description of the invention:
Fig. 1 is composition schematic diagram of the invention；
Fig. 2 is vortex tube operation principle schematic diagram；
Fig. 3 is Section A-A schematic diagram；
Fig. 4 is gas gathering mask structural schematic diagram.
In figure: 1- extracting boat；2- vortex tube；3- air collecting pipe；4- gas production casing；5- gas gathering mask；6- hydrate regeneration room；7-
Gas compressor；8- high pressure steam separator；9- gas injection pipeline；10- gas gathering line；11- low pressure steam separator；12- gas engine；
13- condenser；14- cold air recovery line；15- metering pump；The minor air cell 16-；17- cold end pipe；18- end tube；19- heating power is adjusted
Valve；20- air inlet；The gas outlet 21-；22- cold air connecting tube；23- pressure sensor；24- temperature sensor；25- cold air ring cavity；
26- automatic regulating valve；27- hydrate cavity.
Specific embodiment:
The present invention relates to a kind of gas hydrate exploitation device, specifically include that extracting boat 1, vortex tube 2, air collecting pipe 3,
Gas production casing 4 and gas gathering mask 5 are disposed with hydrate regeneration room 6 and gas compressor 7, gas compressor on the extracting boat 1
7 outlet is equipped with high pressure steam separator 8, and the one outlet of high pressure steam separator 8 is connected by pipeline with hydrate regeneration room 6,
Another outlet is connected by gas injection pipeline 9 with the minor air cell 16 of vortex tube 2, and 17 end of cold end pipe of vortex tube 2 is deep into gas production
In pipe 3, the periphery of air collecting pipe 3 is equipped with gas production casing 4, and the outlet of air collecting pipe 3 is connected with the air inlet 20 of natural gas collecting cover 5
Logical, the gas outlet 21 of gas gathering mask 5 is connected by gas gathering line 10 with the entrance of low pressure steam separator 11, and the one of low pressure steam separator 11
A outlet is connected with the import of gas compressor 7, and another outlet is connected with 12 air supply opening of gas engine.
As shown in Fig. 2, the vortex tube 2 is made of minor air cell 16, cold end pipe 17, end tube 18, end tube 18 is exported
Thermal regulating valve 19 is installed, 17 end of cold end pipe is equipped with the cold air connecting tube 22 being arranged symmetrically.
As shown in figure 3, cold air connecting tube 22 and 3 outer wall of air collecting pipe and 4 inner wall of gas production casing are formed by cold air ring cavity 25
It is connected.
High-pressure natural gas from high pressure steam separator 8 enters vortex tube 2 by gas injection pipeline 9.Vortex tube 2 is a kind of energy
Separator is measured, high pressure gas can be separated into hot and cold two fluids, this phenomenon is referred to as Energy separation performance, also known as
Ranque effect.As shown in Fig. 2, high-pressure natural gas enters minor air cell 16 with very high speed along a tangential direction, air-flow is being vortexed
High speed is formed in room 16 to be vortexed, and is separated into the unequal two parts air-flow of temperature under eddy current effect effect.Wherein, it is in center
The reflux airflow temperature at position reduces, and forms cold airflow, is flowed out by the cold air connecting tube 22 of 17 end of cold end pipe, and is in outer layer
The gas flow temperature at position increases, and forms thermal current, flows out from the heat outlet of end tube 18, end tube 18 is at heat outlet
Thermal regulating valve 19 is installed.It can control the gas flow ratio into cold end pipe 17 and end tube 18 by thermal regulating valve 19
Example, and then change the gas flow temperature of cold air outlet and heat outlet.
As shown in Figure 1, it is directly entered hydrate hiding from the high-temperature natural gas that 18 end of end tube of vortex tube 2 is discharged, with
Solid hydrate carries out sufficient heat exchange.Solid-state hydrate is heated to be undergone phase transition, and decomposites methane gas, it is empty to form hydrate
Chamber 27.With the continuous injection of thermal current, solid-state hydrate split amount is gradually increased, and is formed by cavity volume and is constantly increased
Greatly.The natural gas of decomposition enters natural gas collecting cover 5 by air collecting pipe 3.
As shown in Figure 1, in order to guarantee that hydrate does not collapse at the middle and upper levels in recovery process, in the periphery peace of air collecting pipe 3
Equipped with gas production casing 4.Air collecting pipe 3 and gas production casing 4 are cylindrical shape, and 4 one end of gas production casing is fixed on sea bed, and the other end is deep
Enter to sea bed hereinafter, air collecting pipe 3 is mounted in gas production casing 4, connection gas gathering mask 5 and hydrate cavity 27 keep same with the two
Axis.
Fig. 3 is Section A-A schematic diagram, enters 3 outer wall of air collecting pipe and gas production from the low-temperature airflow of cold air connecting tube 22
4 inner wall of casing is formed by cold air ring cavity 25.Under the protection of cold airflow, vicinity hydrate will not be sent out because heat invades
Solution estranged causes to collapse, to guarantee gas producing technology safety and stability.Cold air recovery line is also equipped on gas production casing 4
14, cold airflow is connected by cold air recovery tube 14 with the condenser 13 in hydrate regeneration room 6, reduces hydrate by heat exchange
Temperature in regeneration room 6, promote hydrate regenerate, so as to store with it is outer defeated.
As shown in figure 4, gas gathering mask 5 floats on sea level, bottom surface is horizontal, and bottom surface is provided with air inlet 20, top
It is provided with gas outlet 21, pressure sensor 23 and temperature sensor 24 and automatic regulating valve 26 are installed on gas outlet 21.Come
It is gradually accumulated in gas gathering mask 5 from the natural gas in air collecting pipe 3, pressure gradually increases in gas gathering mask 5, by being mounted on gas outlet
Pressure sensor 23 and temperature sensor 24 on 21 can carry out real-time monitoring to temperature, pressure in gas gathering mask 5.When gas gathering mask 5
When interior pressure reaches setting value, automatic regulating valve 26 is opened, and the natural gas in gas gathering mask 5 is transported to combustion gas by gas gathering line 10
The low pressure steam separator 11 of 7 inlet of compressor.
The function of low pressure steam separator 11 is that the natural gas of extraction is divided into two, and wherein sub-fraction is supplied to as fuel
Gas engine 12, gas engine 12 drive gas compressor 7 to work.Most gases then enter gas compressor entrance
Pipe, is pressurized by gas compressor 7.
The outlet of gas compressor 7 is provided with high pressure steam separator 8, and function is that pressurized high-pressure natural gas is divided into two
Point: wherein sub-fraction by gas injection pipeline 9 enter vortex tube 2, by generate thermal current, make storage in decomposition of hydrate from
And carry out gas production；Remaining most of compressed natural gas then enters hydrate regeneration room 6 and regenerates hydrate.
The primary condition that hydrate generates is: the presence of high pressure, low temperature and water.Into the natural of hydrate regeneration room 6
Gas is to pass through pressurized gas, to meet condition of high voltage.To realize low temperature, hydrate regeneration room 6 is interior to be equipped with condenser 13,
From cold air ring cavity 25 cryogenic gas pass through condenser 13 when, by with the high-pressure natural gas in hydrate regeneration room 6 into
Row heat exchange reduces the temperature of natural gas, reaches hydrate and generates temperature, meets hydrate and generates temperature requirement.And water is by counting
Amount pump 15 provides.The setting of 15 water inlet of metering pump is filled into hydrate regeneration room 6 in extra large underwater, by the suction of a certain amount of seawater
It is interior.In low temperature, high pressure and there is water to deposit at ambient, hydrate crystallizes rapidly in hydrate regeneration room 6, and natural gas turns again
Become solid-state, convenient for further storage and transport.
Hydrate regeneration room 6 can be made into easy-to-dismount skid structure, and when use can be used two covering devices, a set of production,
It is a set of spare, switch in turn.After hydrate is full of hydrate regeneration room 6, is removed, transported by cargo ship.It is logical
Spare hydrate regeneration room 6 is crossed to continue to produce.When cargo ship returns, due to the hydrate in hydrate regeneration room 6
Unloading, can put into production again.So circulation, to realize uninterrupted continuous production.
The ingenious principle that can generate cold airflow and thermal current simultaneously using vortex tube of the present invention, passes through hot gas Traffic Decomposition solid
Hydrate carries out gas production, consolidates air collecting pipe 3 by cold airflow and prevents and treats reservoir collapsing, while providing cooling capacity, promotes hydrate again
It generates, to transport.Compared with existing hydrate exploitation technology, the present invention relies on hydrate and carries out the natural of generation in the process
Gas has many advantages, such as that cost of investment is low, operating cost is few, environmentally friendly, efficient, can use as power source without consuming additional energy source
In sea bottom hydrate large scale mining.
Claims (6)
1. a kind of sea bed gas hydrate quarrying apparatus, it is characterised in that: include mainly extracting boat (1), vortex tube (2), adopt
Tracheae (3), gas production casing (4) and gas gathering mask (5) are disposed with hydrate regeneration room (6) and gas compressor on extracting boat (1)
(7), the outlet of gas compressor (7) is equipped with high pressure steam separator (8), the one outlet of high pressure steam separator (8) by pipeline with
Hydrate regeneration room (6) is connected, and another outlet is connected by gas injection pipeline (9) with the minor air cell (16) of vortex tube (2), is vortexed
Cold end pipe (17) end of pipe (2) is deep into air collecting pipe (3), and the periphery of air collecting pipe (3) is equipped with gas production casing (4), gas production
The outlet of pipe (3) is connected with the bottom air inlet (20) of gas gathering mask (5), and gas outlet (21) pass through gas collection at the top of gas gathering mask (5)
Pipeline (10) is connected with the entrance of low pressure steam separator (11), the one outlet of low pressure steam separator (11) and gas compressor (7)
Import be connected, another outlet is connected with gas engine (12) air supply opening.
2. a kind of sea bed gas hydrate quarrying apparatus according to claim 1, it is characterised in that: the vortex tube
(2) it being made of minor air cell (16), cold end pipe (17), end tube (18), end tube (18) outlet is equipped with thermal regulating valve (19),
Cold end pipe (17) end is equipped with the cold air connecting tube (22) that is arranged symmetrically, cold air connecting tube (22) and air collecting pipe (3) outer wall and adopts
Gas bushing (4) inner wall is formed by cold air ring cavity (25) and is connected.
3. a kind of sea bed gas hydrate quarrying apparatus according to claim 1, the extracting boat are disposed on (1)
Metering pump (15), in the seawater, outlet generates room (6) with hydrate by pipeline and is connected for the water inlet submergence of metering pump (15)
It is logical.
4. a kind of sea bed gas hydrate quarrying apparatus according to claim 1, it is characterised in that: the hydrate
(6) are disposed with condenser (13) in regeneration room, and the entrance of condenser (13) passes through cold air recovery line (14) and cold air ring cavity
(25) it is connected, the outlet of condenser (13) is connected with the import of gas compressor (7).
5. a kind of sea bed gas hydrate quarrying apparatus according to claim 1, it is characterised in that: the air collecting pipe
(3) with gas production casing (4) be cylindrical shape, gas production casing (4) one end is fixed on sea bed, the other end be deep into sea bed hereinafter,
Air collecting pipe (3) keeps coaxial with gas production casing (4), and air collecting pipe (3) runs through gas production casing (4), and air collecting pipe (3) both ends are respectively communicated with
Gas gathering mask (5) and hydrate cavity (27).
6. a kind of sea bed gas hydrate quarrying apparatus according to claim 1, it is characterised in that: the gas gathering mask
(5) it floats on sea level, bottom surface is horizontal, and bottom surface is provided with air inlet (20), and top is provided with gas outlet (21), gas outlet
(21) pressure sensor (23), temperature sensor (24) and automatic regulating valve (26) are installed on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710190397.9A CN106884627B (en) | 2017-03-28 | 2017-03-28 | A kind of sea bed gas hydrate quarrying apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710190397.9A CN106884627B (en) | 2017-03-28 | 2017-03-28 | A kind of sea bed gas hydrate quarrying apparatus |
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| CN106884627A CN106884627A (en) | 2017-06-23 |
| CN106884627B true CN106884627B (en) | 2019-03-26 |
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| CN201710190397.9A Expired - Fee Related CN106884627B (en) | 2017-03-28 | 2017-03-28 | A kind of sea bed gas hydrate quarrying apparatus |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108915644B (en) * | 2018-08-14 | 2020-11-13 | 泗县田原秸秆回收再利用有限责任公司 | Method for improving combustible ice mining safety |
| CN111155972B (en) * | 2020-03-09 | 2020-09-22 | 青岛海洋地质研究所 | Covering type deep-sea mud volcanic type natural gas hydrate exploitation system and method |
| CN111963125A (en) * | 2020-07-27 | 2020-11-20 | 唐国祥 | In-situ thermal shock method natural gas hydrate exploitation device |
| CN114135254B (en) * | 2021-12-07 | 2023-07-14 | 西南石油大学 | Hydrate solid state fluidization-depressurization combined mining method |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10141896A1 (en) * | 2001-08-28 | 2003-03-27 | Fraunhofer Ges Forschung | Method and device for extracting and conveying gas hydrates and gases from gas hydrates |
| US6994159B2 (en) * | 2003-11-04 | 2006-02-07 | Charles Wendland | System for extracting natural gas hydrate |
| DE102004048692B4 (en) * | 2004-10-06 | 2006-12-21 | Geoforschungszentrum Potsdam | Method and apparatus for thermal stimulation of gas hydrate formations |
| CN100587227C (en) * | 2007-02-13 | 2010-02-03 | 中国科学院广州能源研究所 | Method for exploiting natural gas hydrates and device thereof |
| CN201250217Y (en) * | 2008-07-25 | 2009-06-03 | 上海理工大学 | Natural gas separation device for vortex tube |
| CN102071080B (en) * | 2011-01-04 | 2013-04-24 | 重庆科技学院 | Natural gas separation device |
| CN103334729A (en) * | 2013-04-25 | 2013-10-02 | 李贤明 | Exploitation method and system of seabed methane hydrate |
| CN204532289U (en) * | 2015-03-17 | 2015-08-05 | 长江大学 | A kind of sea-bottom natural gas quarrying apparatus |
| CN105422055B (en) * | 2015-12-03 | 2017-12-22 | 中国石油大学(华东) | A kind of system of co-development natural gas, Water Soluble Gas and gas hydrates |
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