CN112127856A - Device for exploiting combustible ice on land - Google Patents
Device for exploiting combustible ice on land Download PDFInfo
- Publication number
- CN112127856A CN112127856A CN201910547180.8A CN201910547180A CN112127856A CN 112127856 A CN112127856 A CN 112127856A CN 201910547180 A CN201910547180 A CN 201910547180A CN 112127856 A CN112127856 A CN 112127856A
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- Prior art keywords
- pipe
- water storage
- combustible ice
- water
- storage barrel
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 148
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 114
- 238000003860 storage Methods 0.000 claims abstract description 79
- 239000003345 natural gas Substances 0.000 claims abstract description 49
- 239000007788 liquid Substances 0.000 claims abstract description 40
- 238000005728 strengthening Methods 0.000 claims abstract description 17
- 238000011049 filling Methods 0.000 claims abstract description 4
- 150000003839 salts Chemical class 0.000 claims description 54
- 239000007789 gas Substances 0.000 claims description 36
- 238000010438 heat treatment Methods 0.000 claims description 29
- 238000003756 stirring Methods 0.000 claims description 12
- 238000005065 mining Methods 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 2
- 230000008014 freezing Effects 0.000 abstract description 9
- 238000007710 freezing Methods 0.000 abstract description 9
- 230000009471 action Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 7
- 239000000243 solution Substances 0.000 description 6
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000002708 enhancing effect Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 239000013505 freshwater Substances 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000012071 phase Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000012429 reaction media Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B43/166—Injecting a gaseous medium; Injecting a gaseous medium and a liquid medium
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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 DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
Abstract
The invention discloses a device for exploiting combustible ice on land, which has the advantages of reducing the freezing point of water and facilitating the exploitation of the combustible ice, and relates to the exploitation field of the combustible ice, wherein the technical scheme comprises the following key points: the device comprises a working platform arranged on the ground, a water storage barrel arranged on the working platform, a heat exchanger arranged on the working platform and connected with the water storage barrel 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, a drain pipe extending to a bottom-hole combustible ice exploitation position is arranged at an outlet of the micro-interface strengthening device, and a water inlet pipe is arranged at the upper end of the water storage barrel; the working platform is provided with a natural gas output pipeline extending to a shaft bottom 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 invention relates to the field of exploitation of combustible ice, in particular to a device for exploiting combustible ice on land.
Background
The land combustible ice is a crystal formed by combining methane gas and water molecules in a low-temperature high-pressure environment, mainly exists in a land plateau frozen soil layer, the main gas component generated after heating, decompression and decomposition is methane with high purity, the methane molecule only has one carbon atom, the carbon dioxide discharged after combustion is little, no sulfide is generated, and the land combustible ice is an ideal clean energy source.
Chinese patent publication No. CN103510934A discloses a method and system for mining land combustible ice: two vertical shafts with different depths and not far apart are drilled to a combustible ice layer through a drilling machine. Two cavities are blasted at the bottom of the vertical shaft by explosives and are communicated, high-temperature fresh water is continuously injected into the deeper bottom of the vertical shaft, so that methane is changed into a gas state from a solid state, the gas methane is sprayed out from the other vertical shaft, water is removed by pressurization and cooling, the gas methane is cooled to minus 162 ℃ by a nitrogen compressor to form liquid methane or is made into combustible ice again for storage, and part of the exploited methane is used as fuel for heating the fresh water.
But hot water output pipeline is at the in-process with high temperature fresh water input shaft bottom, and the outside temperature of hot water output pipeline reduces gradually for hot water in the hot water output pipeline cools down easily, and viscosity increases, and flow resistance increases, even solidifies and blocks up hot water output pipeline, is unfavorable for the exploitation of combustible ice this moment.
Disclosure of Invention
The invention aims to provide a device for exploiting combustible ice on land, which has the advantages of reducing the freezing point of water and facilitating the exploitation of the combustible ice.
The technical purpose of the invention is realized by the following technical scheme: a device for exploiting combustible ice on land comprises a working platform arranged on the ground, a water storage barrel arranged on the working platform, a heat exchanger arranged on the working platform and connected with the water storage barrel 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, a drain pipe extending to a bottom combustible ice exploitation position is arranged at an outlet of the micro-interface strengthening device, and a water inlet pipe is arranged at the upper end of the water storage barrel;
the working platform is provided with a natural gas output pipeline extending to a shaft bottom 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 water storage barrel conveys water into the heat exchanger through the first connecting pipe for heating, the heated water is conveyed to the micro-interface strengthening device through the second connecting pipe, at the moment, 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 full of water, so that the water is in an emulsified state solution, the freezing point of the water is reduced, at the moment, the emulsified hot water is input to the exploitation position of combustible ice at the bottom of a well through the drain pipe, the combustible ice at the bottom of the well 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 the combustible ice is not generated in the process of melting the combustible ice, so that only the gas-liquid separator is needed, 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 work 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 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 high temperature water.
Preferably, a first exhaust pipe and a second exhaust pipe are arranged at a gas outlet of the gas-liquid separator, the first exhaust pipe is connected with a gas storage tank arranged on the working platform, and the second exhaust pipe is communicated with a gas tank;
the liquid delivery outlet of vapour and liquid separator is equipped with first fluid-discharge tube and second fluid-discharge tube, first fluid-discharge tube and water storage bucket intercommunication are equipped with the fourth pump on the first fluid-discharge tube.
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 saves, and in another part got into the gas holder through the second blast pipe, realize the reuse of natural gas, resources are saved, and the liquid of export in the vapour and liquid separator is partly discharged through the second blow-off pipe, and another part is through first blow-off pipe input water storage bucket the inside, the reuse of the water storage bucket water of being convenient for.
Preferably, the storage bucket that has salt is stored to water storage bucket upper end through adding salt union coupling, it places the locating part that the bucket was got into water storage bucket to be equipped with the restriction on the salt pipe.
Through adopting above-mentioned technical scheme, give the water storage bucket in with salt through placing the bucket, the freezing point of water can be further reduced, when the water storage bucket need not add salt, the locating part will restrict salt and get into in the water storage bucket.
Preferably, add the salt pipe and include the first vertical pipe with the water storage bucket intercommunication, keep away from the horizontal pipe of water storage bucket one end intercommunication and keep away from the vertical pipe of second of first vertical pipe one end intercommunication with first vertical pipe, the vertical pipe of one end of keeping away from the horizontal pipe of second and place barrel head intercommunication, the locating part is including rotating the transmission threaded rod of connection in the horizontal pipe, the one end of threaded rod is rotated and is connected the position that the horizontal pipe is close to the vertical pipe of second, and the other end extends to first vertical pipe top, the horizontal pipe outer wall is equipped with drive threaded rod pivoted motor.
Through adopting above-mentioned technical scheme, place on the threaded rod that salt in the bucket got into the horizontal pipe through the vertical pipe of second, when the motor drive threaded rod rotated, the threaded rod would transmit the intraductal salt of horizontal, in transmitting salt to first vertical intraductal, and then get into the water storage bucket, when motor stall, salt on the threaded rod would stop to transmitting in the water storage bucket, easy operation, and can the accurate control volume in getting into the water storage bucket with threaded rod transmission salt.
Preferably, a stirring device which enables salt to be uniformly mixed with water is arranged in the water storage barrel.
Through adopting above-mentioned technical scheme, agitating unit's setting has increased the dissolving speed of salt in aqueous for salt in aqueous can dissolve fast, and makes the distribution that salt in aqueous can be even, reduces the speed that salt dissolved in the water storage bucket.
Preferably, agitating unit is including setting up the pivot in the inlet tube below, the one end of pivot is rotated and is connected at the water storage bucket inner wall, be equipped with the drive plate just to the inlet tube below in the pivot, the drive plate has a plurality ofly along the even array of pivot outer wall.
Through adopting above-mentioned technical scheme, when intaking in the inlet tube, the water in the inlet tube falls on the drive plate for the drive plate drives the pivot and rotates, is located the inlet tube below until next drive plate, reciprocates in proper order and makes the pivot rotate, and the drive plate stirs the water in the water storage bucket, makes the mixture that water and salt can be better.
Preferably, the barrel wall of the water storage barrel is rotatably connected with a driven shaft parallel to the rotating shaft below the rotating shaft, and driven plates meshed with the driving plates are arranged on the driven shaft.
Through adopting above-mentioned technical scheme, when the drive plate rotated round the pivot, the driven plate was stirred to the drive plate and is rotated, and then made the driven plate drive the driven shaft and rotate, the stirring scope of increase water storage bucket internal water for the mixing rate of water and salt.
Preferably, be equipped with the heating box on the first drain pipe, the box bottom of heating box is equipped with the heater strip, the heating box is equipped with the heat-conducting plate that seals the heater strip above the heater strip, the steam delivery pipe has been seted up to heating box upper end.
Through adopting above-mentioned technical scheme, the setting up of heating box makes the aquatic salt that gets into in the water storage bucket can reach certain saturation, and the heat-conducting plate in the heating box gives water with heat transfer this moment for the water evaporation absorbs the heat, and then makes the aquatic salt reach the saturation, reduces and places putting into of bucket salt.
Preferably, the second connecting pipe is sleeved with a sleeve, two ends of the sleeve are closed, a gap exists between the inner wall of the sleeve and the outer wall of the second connecting pipe, and the discharge pipe is communicated with the inner wall of the sleeve.
Through adopting above-mentioned technical scheme, the delivery pipe transmits the steam that produces in the heating box to between sleeve pipe and the second connecting pipe, reduces the giving off of hot water when the transmission in the second connecting pipe.
In conclusion, the invention has the following beneficial effects: the water storage barrel conveys water into the heat exchanger through the first connecting pipe for heating, the heated water is conveyed to the micro-interface strengthening device through the second connecting pipe, 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 water, the water is in an emulsified solution, the freezing point of the water is reduced, the emulsified hot water is conveyed to the exploitation position of combustible ice at the bottom of the well through the drain pipe, the combustible ice at the bottom of the well is melted, then the natural gas and the water generated by the melted combustible ice are pumped up through the natural gas output pipeline by the second pump, 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 combustible ice extraction efficiency is high, and the whole process is green and environment-friendly, low cost and simple operation.
Drawings
FIG. 1 is a schematic structural view of the present embodiment;
FIG. 2 is a schematic structural diagram of a salt adding pipe according to the present embodiment;
FIG. 3 is a schematic structural view of the heating cassette according to the present embodiment;
fig. 4 is a view for embodying the discharge pipe of the present embodiment.
In the figure: 1. a working platform; 11. a water storage barrel; 111. a water inlet pipe; 112. a salt adding pipe; 1121. a first vertical pipe; 1122. a horizontal tube; 1123. a second vertical pipe; 113. placing the barrel; 114. a limiting member; 1141. a threaded rod; 1142. a motor; 115. a stirring device; 1151. a rotating shaft; 1152. a drive plate; 1153. a driven shaft; 1154. a driven plate; 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; 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 heating cartridge; 181. heating wires; 182. a heat conducting plate; 183. a discharge pipe; 19. a sleeve.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
A device for exploiting combustible ice on land is shown in figure 1 and comprises a working platform 1 arranged on the ground, a water storage barrel 11 arranged on the working platform 1, a heat exchanger 13 arranged on the working platform 1 and connected with the water storage barrel 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 the exploiting position of combustible ice at the bottom of a well is arranged at the outlet of the micro-interface strengthening device 14, and a water inlet pipe 111 is arranged at the upper end of the water storage barrel 11; the working platform 1 is provided with a natural gas output pipeline 15 extending to a shaft bottom exploitation position, the natural gas output pipeline 15 is provided with a second pump 151, and an outlet of the natural gas output pipeline 15 is connected with a gas-liquid separator 16. The work platform 1 may be a square platform cast with cement.
As shown in fig. 1, before the drain pipe 141 is extended to the underground combustible ice production location, the drilling rig on the work platform 1 drills out the drain pipe 141 and the natural gas output pipeline 15 at the underground position, so that the drain pipe 141 and the natural gas output pipeline 15 are directly extended to the production location. After the water discharge pipe 141 and the natural gas output pipeline 15 are moved to the bottom hole exploitation position, the water discharge pipe 141 and the natural gas output pipeline 15 are respectively connected to the micro interface strengthening device 14 and the gas-liquid separator 16.
As shown in fig. 1, the operation process: the water storage barrel 11 conveys water into the heat exchanger 13 through the first connecting pipe 12 for heating, the heated water is conveyed to the micro interface strengthening device 14 through the second connecting pipe 131, at the moment, 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 in the water to enable the water to be in an emulsified state solution, the freezing point of the water is reduced, at the moment, hot water in the emulsified state is input to a combustible ice exploitation position at the bottom of a well through the drain pipe 141 to enable the combustible ice at the bottom of the well to be melted, then, the second pump 151 pumps up natural gas and water generated by the melted combustible ice through the natural gas output pipeline 15, the natural gas and the water are separated through the gas-liquid separator 16, exploitation of the combustible ice is realized, other impurities are not generated in the process of melting the combustible ice, and therefore, the gas-liquid mixture extracted from the natural gas output pipeline 15 only needs to pass through the gas, 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 work 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 174 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, and the compressor 172 generates high pressure of the natural gas to enter the microbubble generating device 174, and the microbubble generating device 174 charges the natural gas into the water.
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 working 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 are arranged at a liquid outlet of the gas-liquid separator 16, the first liquid discharge pipe 164 is communicated with the water storage barrel 11, and a fourth pump 166 is arranged on the first liquid discharge pipe 164; one part of the liquid output from the gas-liquid separator 16 is directly discharged through the second liquid discharge pipe 165, and the other part of the liquid is input into the water storage barrel 11 through the first liquid discharge pipe 164, so that the water in the water storage barrel 11 can be recycled, and the water resource is saved. 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 and 2, in order to further reduce the freezing point of water, a placing barrel 113 for storing salt is connected to the upper end of the water storage barrel 11 through a salt adding pipe 112, wherein the salt may be sodium chloride, sodium sulfate, etc., and a limiting member 114 for limiting the salt in the placing barrel 113 from entering the water storage barrel 11 is disposed on the salt adding pipe 112. When the salt in the storage barrel 113 enters the water storage barrel 11, the freezing point of water is further lowered, saturated saline water flows into the second connecting pipe 131, the microbubbles are filled with the saturated saline water, the saturated saline water is in an emulsified state, and the freezing point of water is lowered.
As shown in fig. 1 and 2, the salt adding pipe 112 includes a first vertical pipe 1121 communicated with the water storage barrel 11, a horizontal pipe 1122 communicated with one end of the first vertical pipe 1121 far from the water storage barrel 11, and a second vertical pipe 1123 communicated with one end of the horizontal pipe 1122 far from the first vertical pipe 1121, one end of the second vertical pipe 1123 far from the horizontal pipe 1122 is communicated with the bottom of the placing barrel 113, the limiting member 114 includes a transmission threaded rod 1141 rotatably connected in the horizontal pipe 1122, an outer wall of the threaded rod 1141 contacts with an inner wall of the horizontal pipe 1122, one end of the threaded rod 1141 is rotatably connected at a position of the horizontal pipe 1122 close to the second vertical pipe 1123, and the other end extends above the first vertical pipe 1121, and an electric motor 1142 for driving the threaded rod 1141 to rotate is arranged on an outer wall of the.
As shown in fig. 1 and 2, the salt in the storage barrel 113 is placed on the threaded rod 1141 in the horizontal pipe 1122 through the second vertical pipe 1123, when the motor 1142 drives the threaded rod 1141 to rotate, the threaded rod 1141 transmits the salt in the horizontal pipe 1122, the salt is transmitted into the first vertical pipe 1121, and then enters the water storage barrel 11, when the motor 1142 stops rotating, the salt on the threaded rod 1141 stops being transmitted into the water storage barrel 11, the operation is simple, and the amount of the salt transmitted by the threaded rod 1141 can be accurately controlled to enter the water storage barrel 11.
As shown in fig. 1 and 2, the water storage barrel 11 is internally provided with the stirring device 115 which enables salt to be uniformly mixed with water, the setting of the stirring device 115 increases the dissolving speed of the salt in the water, the salt in the water can be rapidly dissolved, the salt in the water can be uniformly distributed, and the dissolving speed of the salt in the water storage barrel 11 is reduced.
As shown in fig. 1 and fig. 2, the stirring device 115 includes a rotating shaft 1151 disposed below the water inlet pipe 111, one end of the rotating shaft 1151 is rotatably connected to the inner wall of the water storage bucket 11, a driving plate 1152 is disposed on the rotating shaft 1151 and faces the lower portion of the water inlet pipe 111, and a plurality of driving plates 1152 are uniformly arrayed along the outer wall of the rotating shaft 1151. The drive plate 1152 is distributed along the length of the rotary shaft 1151, so that the stirring range of the drive plate 1152 is enlarged. When water enters the water inlet pipe 111, the water in the water inlet pipe 111 falls on the drive plate 1152, the drive plate 1152 drives the rotating shaft 1151 to rotate until the next drive plate 1152 is located below the water inlet pipe 111, the rotating shaft 1151 rotates in a reciprocating mode sequentially, the drive plate 1152 stirs the water in the water storage barrel 11, and the water and the salt can be mixed better.
As shown in fig. 1 and 2, a driven shaft 1153 parallel to the rotating shaft 1151 is rotatably connected to the wall of the water storage barrel 11 below the rotating shaft 1151, and a driven plate 1154 engaged with each driving plate 1152 is arranged on the driven shaft 1153. When the driving plate 1152 rotates around the rotating shaft 1151, the driving plate 1152 stirs the driven plate 1154 to rotate, so that the driven plate 1154 drives the driven shaft 1153 to rotate, the stirring range of water in the water storage barrel 11 is enlarged, and the mixing speed of the water and salt is increased.
Referring to fig. 1 and 3, when the storage tub 113 storing salt is located at the upper end of the storage tub 11, and water is discharged into the storage tub 11 from the first discharge pipe 164 of the gas-liquid separator 16, in order to reduce dilution of the salt in the storage tub 11 by the water conveyed in the first discharge pipe 164, a heating box 18 is provided on the first discharge pipe 164, a heating wire 181 is provided at the bottom of the heating box 18, a heat conductive plate 182 for sealing the heating wire 181 is provided above the heating wire 181 in the heating box 18, and a steam discharge pipe 183 is provided at the upper end of the heating box 18. The setting of heating box 18 makes the salt of aquatic that gets into in the water storage bucket 11 can reach certain saturation, and the heat-conducting plate 182 in the heating box 18 gives the water with heat transfer this moment for the water evaporation absorbs the heat, and then makes the aquatic salt reach the saturation, reduces and places putting into of bucket 113 interior salt.
Referring to fig. 1 and 4, in succession to the above solution, the second connection pipe 131 is sleeved with the sleeve 19, and both ends of the sleeve 19 are closed, the sleeve 19 may be two half pipes with semicircular cross sections, the two half pipes may be fixed by a clamp, a gap exists between the inner wall of the sleeve 19 and the outer wall of the second connection pipe 131, and the discharge pipe 183 is communicated with the inner wall of the sleeve 19. The discharge pipe 183 transfers the steam generated in the heating box 18 to between the casing 19 and the second connection pipe 131, reducing the emission of heat when the hot water is transferred in the second connection pipe 131.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (10)
1. A device for exploiting combustible ice on land is characterized in that: the device comprises a working platform (1) arranged on the ground, a water storage barrel (11) arranged on the working platform (1), a heat exchanger (13) arranged on the working platform (1) and connected with the water storage barrel (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 an 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 bottom combustible ice exploitation position is arranged at an outlet of the micro-interface strengthening device (14), and a water inlet pipe (111) is arranged at the upper end of the water storage barrel (11);
the working platform (1) is provided with a natural gas output pipeline (15) extending to a shaft bottom mining position, the natural gas output pipeline (15) is provided with a second pump (151), and an outlet of the natural gas output pipeline (15) is connected with a gas-liquid separator (16).
2. An apparatus for land mining combustible ice according to claim 1, wherein: the micro-interface strengthening device (14) comprises a gas tank (17) which is arranged on the working 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. An apparatus for land mining 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 an air storage tank (163) arranged on the working platform (1), and the second exhaust pipe (162) is communicated with an air tank (17);
the liquid delivery outlet of vapour and liquid separator (16) is equipped with first fluid-discharge tube (164) and second fluid-discharge tube (165), first fluid-discharge tube (164) and water storage bucket (11) intercommunication, be equipped with fourth pump (166) on first fluid-discharge tube (164).
4. An apparatus for land mining combustible ice according to claim 1 or 3, wherein: the upper end of the water storage barrel (11) is connected with a storage barrel (113) for storing salt through a salt adding pipe (112), and a limiting part (114) for limiting the salt in the storage barrel (113) to enter the water storage barrel (11) is arranged on the salt adding pipe (112).
5. An apparatus for land mining combustible ice according to claim 3, wherein: the salt adding pipe (112) comprises a first vertical pipe (1121) communicated with the water storage barrel (11), a horizontal pipe (1122) communicated with one end, far away from the water storage barrel (11), of the first vertical pipe (1121) and a second vertical pipe (1123) communicated with one end, far away from the first vertical pipe (1121), of the horizontal pipe (1122), of the second vertical pipe (1123) and communicated with the bottom of the placement barrel (113), a limiting piece (114) comprises a transmission threaded rod (1141) rotatably connected into the horizontal pipe (1122), one end of the threaded rod (1141) is rotatably connected to the position, close to the second vertical pipe (1123), of the horizontal pipe (1122), the other end of the threaded rod extends above the first vertical pipe (1121), and a motor (1142) for driving the threaded rod (1141) to rotate is arranged on the outer wall of the horizontal pipe (1122).
6. An apparatus for land mining combustible ice according to claim 4, wherein: a stirring device (115) which can make salt uniformly mixed with water is arranged in the water storage barrel (11).
7. An apparatus for land mining combustible ice according to claim 6, wherein: agitating unit (115) is including setting up pivot (1151) in inlet tube (111) below, the one end of pivot (1151) is rotated and is connected at water storage bucket (11) inner wall, be equipped with on pivot (1151) just to drive plate (1152) of inlet tube (111) below, drive plate (1152) have a plurality ofly along pivot (1151) outer wall even array.
8. An apparatus for land mining combustible ice according to claim 7, wherein: the wall of the water storage barrel (11) is rotatably connected with a driven shaft (1153) parallel to the rotating shaft (1151) below the rotating shaft (1151), and driven plates (1154) meshed with the driving plates (1152) are arranged on the driven shaft (1153).
9. An apparatus for land mining combustible ice according to claim 4, wherein: be equipped with heating box (18) on first drain pipe (164), the box bottom of heating box (18) is equipped with heater strip (181), heating box (18) are equipped with heat-conducting plate (182) of sealing heater strip (181) above heater strip (181), steam discharge pipe (183) have been seted up to heating box (18) upper end.
10. An apparatus for land mining combustible ice according to claim 9, wherein: the second connecting pipe (131) is sleeved with a sleeve (19), two ends of the sleeve (19) are sealed, a gap exists between the inner wall of the sleeve (19) and the outer wall of the second connecting pipe (131), and the discharge pipe (183) is communicated with the inner wall of the sleeve (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910547180.8A CN112127856B (en) | 2019-06-24 | Device for exploiting combustible ice on land |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910547180.8A CN112127856B (en) | 2019-06-24 | Device for exploiting combustible ice on land |
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| Publication Number | Publication Date |
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| CN112127856A true CN112127856A (en) | 2020-12-25 |
| CN112127856B CN112127856B (en) | 2024-04-26 |
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