CN210660046U - Device for exploiting combustible ice - Google Patents
Device for exploiting combustible ice Download PDFInfo
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- CN210660046U CN210660046U CN201920949746.5U CN201920949746U CN210660046U CN 210660046 U CN210660046 U CN 210660046U CN 201920949746 U CN201920949746 U CN 201920949746U CN 210660046 U CN210660046 U CN 210660046U
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 116
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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 description 1
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Abstract
The utility model discloses a device of exploitation combustible ice reaches the freezing point of the water that reduces, and the advantage of the combustible ice exploitation of being convenient for relates to the exploitation field of combustible ice, and its technical scheme main points are: the system comprises an offshore platform arranged on the sea, a seawater desalination device arranged on the offshore platform, a heat exchanger arranged on the offshore platform and connected with the seawater desalination device through a first connecting pipe, a first pump arranged on the first connecting pipe, and a second connecting pipe arranged at the outlet of the heat exchanger, wherein the second connecting pipe is provided with a micro-interface strengthening device for filling natural gas into hot water, and the outlet of the micro-interface strengthening device is provided with a drain pipe extending to a seabed exploitation position; the offshore platform is provided with a natural gas output pipeline extending to a seabed exploitation position, the natural gas output pipeline is provided with a second pump, and an outlet of the natural gas output pipeline is connected with a gas-liquid separator.
Description
Technical Field
The utility model relates to an exploitation field of combustible ice, more specifically say, it relates to a device of exploitation combustible ice.
Background
The natural gas hydrate is also called as 'combustible ice', is a solid substance formed by mixing water and natural gas under the conditions of high pressure and low temperature, has the appearance like ice and snow or solid alcohol, can be combusted when meeting fire, has the characteristics of convenient use, high combustion value, cleanness, no pollution and the like, is used as a first choice alternative energy source of 'later petroleum generation', and is a strategic resource with commercial development prospect in the 21 st century. The combustible ice which is important as a novel energy source for future mining in China is brought into energy planning for the first time.
Chinese patent No. CN102817596A discloses a marine combustible ice mining device, which comprises the following components: the device comprises a drill bit, a drilling machine, a mixture channel, a silt separation device, a decomposition tank, seawater heating equipment, a seawater input pipeline, a hot water output pipeline, a natural gas input pipeline, a natural gas output pipeline, a seawater output pipeline, a pump and pipelines; the operation mode is as follows: the method comprises the steps of extending a drill bit into an ocean combustible ice layer for mining, pumping a mixture of combustible ice, silt and decomposed gas to a silt separation device located on the ground, conveying the separated mixture of the combustible ice, the decomposed gas and water to a decomposition tank located on a sea floating base through a pipeline, using a thermionic effect hydrogen combustion-supporting heater by the pump, inputting the heated combustible ice into the decomposition tank through the pipeline, leading out decomposed natural gas through the pipeline, leading out part of natural gas through the pipeline, using seawater heating equipment as a seawater heating center, using the pipeline as a gas-water two-phase mixed delivery pump, and keeping the rest of the pipeline and the pump for later use.
However, when the hot water output pipeline inputs hot water into the seabed, if the hot water output pipeline passes through a frozen soil layer, the hot water in the hot water output pipeline is easy to cool, the viscosity is increased, the flow resistance is increased, and even the hot water output pipeline is blocked by solidification, which is not beneficial to the exploitation of combustible ice.
Disclosure of Invention
The utility model aims at providing a device of exploitation combustible ice reaches the freezing point of the water that reduces, the advantage of the combustible ice exploitation of being convenient for.
The above technical purpose of the present invention can be achieved by the following technical solutions: a device for exploiting combustible ice comprises an offshore platform arranged on the sea, a seawater desalination device arranged on the offshore platform, a heat exchanger arranged on the offshore platform and connected with the seawater desalination device through a first connecting pipe, a first pump arranged on the first connecting pipe, and a second connecting pipe arranged at an outlet of the heat exchanger, wherein a micro-interface strengthening device for filling natural gas into hot water is arranged on the second connecting pipe, and a drain pipe extending to a seabed exploitation position is arranged at an outlet of the micro-interface strengthening device;
the offshore platform is provided with a natural gas output pipeline extending to a seabed exploitation position, the natural gas output pipeline is provided with a second pump, and an outlet of the natural gas output pipeline is connected with a gas-liquid separator.
By adopting the technical scheme, the seawater desalination device conveys the brine into the heat exchanger through the first connecting pipe for heating, the heated brine is conveyed to the micro-interface strengthening device through the second connecting pipe, at the moment, the natural gas passes through the micro-interface strengthening device and generates micro bubbles under the action of the micro bubbles, the micro bubbles are full of saturated brine, the saturated brine is in an emulsified solution, the freezing point of the water is reduced, at the moment, the emulsified hot saturated brine is input to the exploiting position of the seabed combustible ice through the drain pipe, so that the combustible ice on the seabed is melted, then, the second pump pumps up the natural gas and the water generated by the melted combustible ice through the natural gas output pipeline, the separation of the natural gas and the water is realized through the gas-liquid separator, the exploitation of the combustible ice is realized, and other impurities are not generated in the process of melting the combustible ice, so that the seawater desalination device only needs to pass through the gas-liquid, the combustible ice collecting efficiency is high, the whole process is green and environment-friendly, the cost is low, and the operation is simple.
Preferably, the device is reinforceed to little interface including set up the gas pitcher that has natural gas in storage on offshore platform, pass through the compressor that the third connecting pipe is connected with the gas pitcher, pass through the device of the production microbubble that the fourth connecting pipe is connected with the compressor, the delivery outlet and the drain pipe of the device of production microbubble are connected, be equipped with the third pump on the third connecting pipe.
Through adopting above-mentioned technical scheme, the third pump is taken out the natural gas in the jar and is carried in the compressor, and the compressor makes the natural gas produce the high pressure and then gets into the device that produces the microbubble, and the device that produces the microbubble this moment fills the natural gas into saturated brine.
Preferably, a gas outlet of the gas-liquid separator is provided with a first exhaust pipe and a second exhaust pipe, the first exhaust pipe is connected with a gas storage tank arranged on the offshore platform, and the second exhaust pipe is communicated with the gas tank;
the liquid delivery outlet of the gas-liquid separator is provided with a first liquid discharge pipe and a second liquid discharge pipe extending into the sea, the first liquid discharge pipe is communicated with the seawater desalination device, and a fourth pump is arranged on the first liquid discharge pipe.
Through adopting above-mentioned technical scheme, the natural gas that separates out in the vapour and liquid separator gets into the gas holder through first blast pipe and stores, and another part is in the gas holder through the second blast pipe entering, realizes the reuse of natural gas, resources are saved, and in the sea was directly arranged into through the second fluid-discharge tube to the liquid part of export in the vapour and liquid separator, another part is through first fluid-discharge tube input sea water desalination device the inside, and the sea water desalination device of being convenient for produces saturated salt water.
Preferably, the second exhaust pipe is provided with a detection piece for detecting whether natural gas leaks from the connection position of the second exhaust pipe and the gas tank at a position close to the gas tank.
Through adopting above-mentioned technical scheme, the setting up of detection piece makes the third connecting pipe can be timely when the natural gas leaks detect, increases the security that the device used, and reduces the waste of natural gas.
Preferably, the detection part comprises a detection barrel which is in threaded connection with the position, close to the gas tank, of the second exhaust pipe, one end, far away from the second exhaust pipe, of the detection barrel is embedded into the inner wall of the gas tank and is in threaded connection with the gas tank, a plurality of through holes are formed in the wall of the detection barrel, and an elastic membrane for sealing the through holes is arranged on the detection barrel.
Through adopting above-mentioned technical scheme, when being connected between second blast pipe and the gas pitcher and appearing formaldehyde gas's leakage, the gas of leakage gets into in detecting a section of thick bamboo, and the gas that detects in a section of thick bamboo makes the elastic membrane swell, and the operating personnel of being convenient for looks over to timely restoration leak department.
Preferably, after the detection section of thick bamboo is connected with the gas pitcher, detection section of thick bamboo outer wall circumference is equipped with the translucent cover, the translucent cover is kept away from the one end of detecting the section of thick bamboo and is contradicted with the gas pitcher.
Through adopting above-mentioned technical scheme, the setting up of translucent cover protects the elastic membrane, reduces the elastic membrane and receives external environment's influence and reduce life.
Preferably, the outer wall of the drain pipe is connected with a polyurethane prefabricated heat-insulating pipe in a sliding manner, and a fixing piece for fixing the position of the polyurethane prefabricated heat-insulating pipe on the drain pipe is arranged on the polyurethane prefabricated heat-insulating pipe.
Through adopting above-mentioned technical scheme, prefabricated insulating tube of polyurethane has very strong waterproof and corrosion resisting ability, fixes it at the drain pipe outer wall, has reduced the temperature reducing speed of saturated salt solution in the drain pipe, and the setting of mounting is convenient for prefabricated insulating tube of polyurethane when moving the region of aquatic lower temperature fixed prefabricated insulating tube position on the drain pipe.
Preferably, the mounting includes and articulates the U type cardboard at prefabricated insulating tube upper and lower both ends of polyurethane through the articulated shaft, be equipped with the torsional spring that makes cardboard and drain pipe outer wall conflict on the articulated shaft.
Through adopting above-mentioned technical scheme, the torsional spring has increased the frictional force between U type cardboard and the drain pipe outer wall, and the U type cardboard of being convenient for fixes the prefabricated insulating tube of polyurethane on the drain pipe, when needs remove the position of the prefabricated insulating tube of polyurethane on the drain pipe, only need push away the cardboard to keeping away from the drain pipe direction, and then removes the cardboard to the touch power of keeping away from of drain pipe outer wall, is convenient for remove the position of the prefabricated insulating tube of polyurethane on the drain pipe, convenient operation.
Preferably, the prefabricated polyurethane heat-insulating pipe is divided into two connecting pipes with semi-arc-shaped sections along a vertical axis, the fixing piece comprises connecting plates arranged on opposite side walls of the two connecting pipes, and the two connecting plates are connected through a locking bolt.
Through adopting above-mentioned technical scheme, can connect two connecting plates and then fix polyurethane prefabricated insulating tube on the drain pipe through locking bolt, simple structure.
Preferably, two of the connecting plates are provided with a positioning plate embedded in the opposite connecting plate at one opposite side.
Through adopting above-mentioned technical scheme, the setting of locating plate is convenient for two connecting plates can align fast, and then is convenient for two connecting plates of locking bolted connection, the quick installation of the prefabricated insulating tube of polyurethane of being convenient for.
To sum up, the utility model discloses following beneficial effect has: the natural gas passes through the micro-interface strengthening device and generates micro-bubbles under the action of the micro-interface strengthening device, the micro-bubbles are filled with saturated brine, so that the saturated brine is an emulsified solution, the freezing point of water is reduced, at the moment, the hot saturated brine in the emulsified state is input to the exploiting position of the combustible ice on the seabed through the drain pipe, so that the combustible ice on the seabed is melted, the freezing point of water is reduced by the micro-interface strengthening device, and the application range of the device for exploiting the combustible ice is enlarged.
Drawings
FIG. 1 is a schematic structural view of the present embodiment;
FIG. 2 is an enlarged schematic view of portion A of FIG. 1;
FIG. 3 is a schematic structural diagram of the detecting member according to the present embodiment;
FIG. 4 is a schematic structural diagram of the present embodiment for embodying the fixing member;
FIG. 5 is a schematic structural diagram of a connecting tube according to the present embodiment;
fig. 6 is a schematic structural diagram for embodying the positioning plate of the present embodiment.
In the figure: 1. an offshore platform; 11. a seawater desalination plant; 12. a first connecting pipe; 121. a first pump; 13. a heat exchanger; 131. a second connecting pipe; 14. a micro-interface enhancing device; 141. a drain pipe; 142. prefabricating a heat-insulating pipe by using polyurethane; 143. a fixing member; 1431. hinging a shaft; 1432. clamping a plate; 1433. a torsion spring; 1434. A connecting pipe; 1435. a connecting plate; 1436. locking the bolt; 1437. positioning a plate; 15. a natural gas output pipeline; 151. a second pump; 16. a gas-liquid separator; 161. a first exhaust pipe; 162. a second exhaust pipe; 163. A gas storage tank; 164. a first drain pipe; 165. a second drain pipe; 166. a fourth pump; 17. a gas tank; 171. A third connecting pipe; 172. a compressor; 173. a fourth connecting pipe; 174. means for generating microbubbles; 175. A third pump; 18. a detection member; 181. a detection cylinder; 182. a through hole; 183. an elastic film; 184. a transparent cover.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
A device for exploiting combustible ice comprises an offshore platform 1 arranged on the sea, a seawater desalination device 11 arranged on the offshore platform 1, a heat exchanger 13 arranged on the offshore platform 1 and connected with the seawater desalination device 11 through a first connecting pipe 12, a first pump 121 arranged on the first connecting pipe 12, and a second connecting pipe 131 arranged at the outlet of the heat exchanger 13, wherein a micro-interface strengthening device 14 for filling natural gas into hot water is arranged on the second connecting pipe 131, a drain pipe 141 extending to a seabed exploitation position is arranged at the outlet of the micro-interface strengthening device 14, a natural gas output pipeline 15 extending to the seabed exploitation position is arranged on the offshore platform 1, a second pump 151 is arranged on the natural gas output pipeline 15, and a gas-liquid separator 16 is connected to the outlet of the natural gas output pipeline 15; before the drain pipe 141 is extended to the exploitation position of the combustible ice at the seabed, the drilling rig on the offshore platform 1 drills out the drain pipe 141 and the natural gas output pipeline 15 at the position where the seabed is placed, so that the drain pipe 141 and the natural gas output pipeline 15 are directly extended to the exploitation position. After the water discharge pipe 141 and the natural gas output pipeline 15 are moved to the submarine exploitation position, the water discharge pipe 141 and the natural gas output pipeline 15 are connected to the micro interface strengthening device 14 and the gas-liquid separator 16, respectively.
As shown in fig. 1, the operation process: the seawater desalination device 11 transmits saturated brine to the heat exchanger 13 through the first connection pipe 12 for heating, the heated brine is transmitted to the micro interface strengthening device 14 through the second connection pipe 131, at this time, natural gas passes through the micro interface strengthening device 14 and generates micro bubbles under the action of the natural gas, the micro bubbles are filled with the saturated brine, the saturated brine is presented as an emulsified solution, the freezing point of water is reduced, at this time, the emulsified hot saturated brine is input to the exploiting position of the seabed combustible ice through the drain pipe 141, so that the combustible ice on the seabed is melted, then the natural gas and water generated by the melted combustible ice are pumped up through the natural gas output pipeline 15 by the second pump 151, the natural gas and the water are separated through the gas-liquid separator 16, the exploitation of the combustible ice is realized, no other impurities are generated in the process of melting the combustible ice, therefore, the gas-liquid mixture extracted from the natural gas output pipeline 15 only needs to pass through the gas-liquid separator 16, the combustible ice collecting efficiency is high, the whole process is green and environment-friendly, the cost is low, and the operation is simple.
As shown in fig. 1, the micro-interface enhancing apparatus 14 includes a gas tank 17 disposed on the offshore platform 1 and storing natural gas, a compressor 172 connected to the gas tank 17 through a third connection pipe 171, and a micro-bubble generating apparatus 174 connected to the compressor 172 through a fourth connection pipe 173, wherein the micro-bubble generating apparatus 174 may be an apparatus for generating micro-bubbles disclosed in publication No. CN102781561B, an output port of the micro-bubble generating apparatus 174 is connected to a water discharge pipe 141, and a third pump 175 is disposed on the third connection pipe 171. The third pump 175 pumps out the natural gas in the gas tank 17 and delivers the natural gas to the compressor 172, the compressor 172 generates high pressure of the natural gas and then enters the microbubble generating device 174, and the microbubble generating device 174 charges the natural gas into the saturated brine.
As shown in fig. 1, the micro-interface enhancing apparatus 14 includes a mixer main body and a micro-interface generator connected to the mixer main body, the mixer main body is connected to the fourth connecting pipe 173 and the second connecting pipe 131, generally, the mixer main body is a mixing chamber of gas-liquid medium, and the mixer main body includes one or a combination of several of a kettle mixer, a tube mixer and a tower mixer.
Referring to fig. 1, the micro-interface generator comprises a mechanical microstructure and/or a turbulent microstructure, and the gas phase and/or the liquid phase in the multi-phase reaction medium are broken into micro-bubbles and/or micro-droplets with micron-sized diameters by a micro-channel action mode, a field force action mode and a mechanical energy action mode, or any combination of the three modes. Wherein, the micro-channel action mode is that the micro-structure of the flow channel is constructed, so that the gas phase and/or the liquid phase passing through the micro-channel are/is broken into micro-bubbles and/or liquid drops; the field force action mode is that the external field force is used for acting in a non-contact mode to input energy to the fluid, so that the fluid is broken into micro-bubbles or micro-droplets; the mechanical energy action mode is to convert the mechanical energy of the fluid into the surface energy of bubbles or liquid drops, so that the bubbles or liquid drops are broken into micro-bubbles or micro-liquid drops.
As an example, the micro-interfacial surface generator is any physical plane having holes therethrough, each hole including a gas inlet and a gas outlet, the width of the gas outlet being greater than the width of the gas inlet, the average width of the gas outlet being 5 to 90 microns and the average width of the gas inlet being 1 to 5 microns, if micron-sized bubbles are to be generated, as shown in fig. 1. And the holes become gradually smaller in the direction from the gas inlet to the gas outlet.
Referring to FIG. 1, the micro-interfacial surface generators are connected to the inlet end of the mixer body and are arranged in at least one group. Multiple sets of micro-interfacial generators may be provided when a large number of micro-bubbles/micro-droplets need to be generated.
As shown in fig. 1, following the above technical solution, the gas outlet of the gas-liquid separator 16 is provided with a first exhaust pipe 161 and a second exhaust pipe 162, the first exhaust pipe 161 is connected to a gas storage tank 163 disposed on the offshore platform 1, the second exhaust pipe 162 is communicated with the gas tank 17, the natural gas separated from the gas-liquid separator 16 enters the gas storage tank 163 through the first exhaust pipe 161 for storage, and the other part enters the gas tank 17 through the second exhaust pipe 162, so that the natural gas is recycled, and resources are saved; a first liquid discharge pipe 164 and a second liquid discharge pipe 165 extending into the sea are arranged at a liquid output port of the gas-liquid separator 16, the first liquid discharge pipe 164 is communicated with the seawater desalination device 11, and a fourth pump 166 is arranged on the first liquid discharge pipe 164; a part of the liquid output from the gas-liquid separator 16 is directly discharged into the sea through the second liquid discharge pipe 165, and the other part of the liquid is input into the seawater desalination device 11 through the first liquid discharge pipe 164, so that the seawater desalination device 11 can generate saturated brine. The first exhaust pipe 161, the second exhaust pipe 162, the first drain pipe 164, and the second drain pipe 165 may be provided with stop valves, which are opened and closed as needed.
As shown in fig. 1, 2, and 3, the second exhaust pipe 162 is provided with a detection element 18 for detecting whether there is any leakage of natural gas at a position near the gas tanks 17 where the second exhaust pipe 162 is connected to the gas tanks 17. The arrangement of the detection part 18 enables the second exhaust pipe 162 to detect in time when natural gas leaks, so that the use safety of the device is improved, and the waste of the natural gas is reduced.
As shown in fig. 1, fig. 2 and fig. 3, the detecting element 18 includes a detecting cylinder 181 screwed to the position of the second exhaust pipe 162 close to the gas tank 17, one end of the detecting cylinder 181 far away from the second exhaust pipe 162 is embedded into the inner wall of the gas tank 17 and screwed to the gas tank 17, a plurality of through holes 182 are opened on the wall of the detecting cylinder 181, and an elastic membrane 183 for closing the through holes 182 is provided on the detecting cylinder 181. The elastic membrane 183 may be made of a balloon; when formaldehyde gas's leakage appears in being connected between second blast pipe 162 and the gas pitcher 17, the gas of leakage gets into in detecting a section of thick bamboo 181, and the gas that detects in a section of thick bamboo 181 makes elastic membrane 183 swell, and the operating personnel of being convenient for looks over, and operating personnel rotates to detect a section of thick bamboo 181 this moment and makes a section of thick bamboo 181 to keeping away from the gas pitcher 17 direction and move to timely recovery leak department, also can install the detection piece 18 and be close to gas pitcher 17 department at third connecting pipe 171, perhaps first blast pipe 161 is close to gas holder 163 department.
As shown in fig. 1 and 2, after the detection cylinder 181 is connected to the gas tank 17, a transparent cover 184 is circumferentially disposed on an outer wall of the detection cylinder 181, and one end of the transparent cover 184, which is away from the detection cylinder 181, abuts against the gas tank 17. The transparent cover 184 protects the elastic film 183, and reduces the influence of the external environment on the elastic film 183, thereby reducing the service life.
Referring to fig. 1 and 4, in order to further reduce the cooling rate of the water in the drainage pipe 141, a polyurethane prefabricated thermal insulation pipe 142 is slidably connected to the outer wall of the drainage pipe 141, so that an operator can move the polyurethane prefabricated thermal insulation pipe 142 to a position where the drainage pipe 141 is located at a lower temperature in the sea, and when the polyurethane prefabricated thermal insulation pipe 142 is moved to a desired position, a fixing part 143 for fixing the position of the polyurethane prefabricated thermal insulation pipe 142 on the drainage pipe 141 is arranged on the polyurethane prefabricated thermal insulation pipe 142.
Referring to fig. 1 and 4, the prefabricated polyurethane thermal insulation pipe 142 has strong waterproof and corrosion-resistant capabilities, and is fixed on the outer wall of the drainage pipe 141, so that the temperature reduction speed of saturated brine in the drainage pipe 141 is reduced, and the fixing member 143 is provided to fix the position of the prefabricated polyurethane thermal insulation pipe 142 on the drainage pipe 141 when the prefabricated polyurethane thermal insulation pipe 142 moves to a region with a lower temperature in water.
As shown in fig. 1 and 4, the fixing member 143 includes U-shaped catching plates 1432 hinged to upper and lower ends of the prefabricated polyurethane insulation pipe 142 by hinge shafts 1431, and torsion springs 1433 are provided on the hinge shafts 1431 to allow the catching plates 1432 to abut against an outer wall of the drain pipe 141. Torsional spring 1433 has increased the frictional force between the prefabricated insulating tube 142 of U-shaped cardboard 1432 and the drain pipe 141 outer wall, and the prefabricated insulating tube 142 of U-shaped cardboard 1432 polyurethane is fixed on the drain pipe 141 of being convenient for, and when the position of the prefabricated insulating tube 142 of polyurethane on the drain pipe 141 needs to be removed, only need push away cardboard 1432 to keeping away from the direction of drain pipe 141, and then remove cardboard 1432 and to the interference of drain pipe 141 outer wall, be convenient for remove the position of the prefabricated insulating tube 142 of polyurethane on the drain pipe 141, convenient operation.
As shown in fig. 5 and 6, or the prefabricated polyurethane insulation pipe 142 is divided into two connection pipes 1434 having a semi-arc shape in cross section along a vertical axis, the fixing member 143 includes connection plates 1435 provided on opposite sidewalls of the two connection pipes 1434, and the two connection plates 1435 are connected by a locking bolt 1436. Two connecting plates 1435 can be connected through the locking bolts 1436 so as to fix the polyurethane prefabricated thermal insulation pipe 142 on the drain pipe 141, and the structure is simple.
As shown in fig. 5 and 6, the two connection plates 1435 are provided with positioning plates 1437 inserted into the opposite connection plates 1435 at opposite sides. The setting of locating plate 1437 is convenient for two connecting plates 1435 can align fast, and then is convenient for two connecting plates 1435 are connected to locking bolt 1436, is convenient for the quick installation of prefabricated insulating tube 142 of polyurethane.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A device for exploiting combustible ice is characterized in that: the device comprises an offshore platform (1) arranged on the sea, a seawater desalination device (11) arranged on the offshore platform (1), a heat exchanger (13) arranged on the offshore platform (1) and connected with the seawater desalination device (11) through a first connecting pipe (12), a first pump (121) arranged on the first connecting pipe (12), and a second connecting pipe (131) arranged at the outlet of the heat exchanger (13), wherein a micro-interface strengthening device (14) for filling natural gas into hot water is arranged on the second connecting pipe (131), and a drain pipe (141) extending to a seabed exploitation position is arranged at the outlet of the micro-interface strengthening device (14);
the offshore platform is characterized in that a natural gas output pipeline (15) extending to a seabed exploitation position is arranged on the offshore platform (1), a second pump (151) is arranged on the natural gas output pipeline (15), and an outlet of the natural gas output pipeline (15) is connected with a gas-liquid separator (16).
2. The apparatus for exploiting combustible ice according to claim 1, wherein: the micro-interface strengthening device (14) comprises a gas tank (17) which is arranged on the offshore platform (1) and is used for storing natural gas, a compressor (172) which is connected with the gas tank (17) through a third connecting pipe (171), and a device (174) which is connected with the compressor (172) through a fourth connecting pipe (173) and used for generating micro-bubbles, wherein an output port of the device (174) used for generating the micro-bubbles is connected with a drain pipe (141), and a third pump (175) is arranged on the third connecting pipe (171).
3. The apparatus for exploiting combustible ice according to claim 1, wherein: a first exhaust pipe (161) and a second exhaust pipe (162) are arranged at a gas outlet of the gas-liquid separator (16), the first exhaust pipe (161) is connected with a gas storage tank (163) arranged on the offshore platform (1), and the second exhaust pipe (162) is communicated with a gas tank (17);
the liquid delivery outlet of vapour and liquid separator (16) is equipped with first fluid-discharge pipe (164) and extends to second fluid-discharge pipe (165) in the sea, first fluid-discharge pipe (164) and sea water desalination device (11) intercommunication, be equipped with fourth pump (166) on first fluid-discharge pipe (164).
4. The apparatus for exploiting combustible ice according to claim 3, wherein: and a detection piece (18) for detecting whether natural gas leaks from the connecting position of the second exhaust pipe (162) and the gas tank (17) is arranged at the position, close to the gas tank (17), of the second exhaust pipe (162).
5. The apparatus for exploiting combustible ice according to claim 4, wherein: the detection part (18) comprises a detection barrel (181) which is connected with the second exhaust pipe (162) through threads and is close to the position of the gas tank (17), one end, away from the second exhaust pipe (162), of the detection barrel (181) is embedded into the inner wall of the gas tank (17) and is in threaded connection with the gas tank (17), a plurality of through holes (182) are formed in the barrel wall of the detection barrel (181), and an elastic membrane (183) for sealing the through holes (182) is arranged on the detection barrel (181).
6. The apparatus for exploiting combustible ice according to claim 5, wherein: when detect a section of thick bamboo (181) and be connected back with gas pitcher (17), detect a section of thick bamboo (181) outer wall circumference and be equipped with translucent cover (184), the one end that detects a section of thick bamboo (181) is kept away from in translucent cover (184) is contradicted with gas pitcher (17).
7. The apparatus for exploiting combustible ice according to claim 1, wherein: the outer wall of the drainage pipe (141) is connected with a polyurethane prefabricated heat preservation pipe (142) in a sliding mode, and a fixing piece (143) for fixing the position of the polyurethane prefabricated heat preservation pipe (142) on the drainage pipe (141) is arranged on the polyurethane prefabricated heat preservation pipe (142).
8. The apparatus for producing combustible ice according to claim 7, wherein: the fixing piece (143) comprises a U-shaped clamping plate (1432) hinged to the upper end and the lower end of the prefabricated polyurethane heat-insulating pipe (142) through a hinge shaft (1431), and a torsion spring (1433) enabling the U-shaped clamping plate (1432) to be abutted to the outer wall of the drain pipe (141) is arranged on the hinge shaft (1431).
9. The apparatus for producing combustible ice according to claim 7, wherein: the prefabricated polyurethane heat-insulation pipe (142) is divided into two connecting pipes (1434) with semi-arc-shaped cross sections along a vertical axis, the fixing piece (143) comprises connecting plates (1435) arranged on the opposite side walls of the two connecting pipes (1434), and the two connecting plates (1435) are connected through locking bolts (1436).
10. The apparatus for producing combustible ice according to claim 9, wherein: two connecting plates (1435) are provided with a positioning plate (1437) embedded in the opposite connecting plate (1435) at one opposite side.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920949746.5U CN210660046U (en) | 2019-06-24 | 2019-06-24 | Device for exploiting combustible ice |
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| CN201920949746.5U CN210660046U (en) | 2019-06-24 | 2019-06-24 | Device for exploiting combustible ice |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020259377A1 (en) * | 2019-06-24 | 2020-12-30 | 南京延长反应技术研究院有限公司 | Apparatus for mining combustible ice |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020259377A1 (en) * | 2019-06-24 | 2020-12-30 | 南京延长反应技术研究院有限公司 | Apparatus for mining combustible ice |
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