CN207988934U - A kind of flammable ice-cold drilling apparatus - Google Patents
A kind of flammable ice-cold drilling apparatus Download PDFInfo
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- CN207988934U CN207988934U CN201820426517.0U CN201820426517U CN207988934U CN 207988934 U CN207988934 U CN 207988934U CN 201820426517 U CN201820426517 U CN 201820426517U CN 207988934 U CN207988934 U CN 207988934U
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- Prior art keywords
- ice
- drilling
- nozzle
- water
- jet
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- 238000005553 drilling Methods 0.000 title claims abstract description 81
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 57
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 46
- 238000002347 injection Methods 0.000 claims abstract description 39
- 239000007924 injection Substances 0.000 claims abstract description 39
- 239000008188 pellet Substances 0.000 claims abstract description 28
- 239000007788 liquid Substances 0.000 claims abstract description 23
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 23
- 238000000034 method Methods 0.000 claims abstract description 15
- 238000007789 sealing Methods 0.000 claims description 14
- 230000001105 regulatory effect Effects 0.000 claims description 8
- 239000003595 mist Substances 0.000 claims description 6
- 239000007921 spray Substances 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 3
- 238000000889 atomisation Methods 0.000 claims 1
- 230000005611 electricity Effects 0.000 claims 1
- 238000002156 mixing Methods 0.000 abstract description 5
- 229910003460 diamond Inorganic materials 0.000 abstract description 2
- 239000010432 diamond Substances 0.000 abstract description 2
- 239000011435 rock Substances 0.000 abstract 2
- 230000000694 effects Effects 0.000 abstract 1
- 230000035939 shock Effects 0.000 abstract 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 14
- 238000005516 engineering process Methods 0.000 description 5
- 241001074085 Scophthalmus aquosus Species 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 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
- 238000004321 preservation Methods 0.000 description 1
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- Earth Drilling (AREA)
Abstract
The utility model discloses a kind of flammable ice-cold drilling apparatus；Including injection ice jet system, drilling system and power-supply system and the multifunctional rotary excavating boring machine adaptable with it.Liquid nitrogen and water through atomizer are ejected in mixing cavity temperature to be reduced and forms ice pellets suddenly, and ice pellets enters single order nozzle through ice pellets delivery pipe, the ice pellets high-speed motion for the high pressure water drive first order jet nozzle that secondary nozzle ejects, to form jet of ice grains.Originally for flammable ice-cold drilling apparatus from practicability, auxiliary drilling mode is ingenious；Using jet of ice grains, the shock effect to rock is improved, is conducive to cutter crushed rock, improves drilling efficiency；Jet of ice grains and drilling are carried out at the same time, and are advantageously reduced the service life of the temperature and protection drill bit of drill bit, are ensured that combustible ice will not be decomposed in drilling process due to the raising of temperature of diamond bit.
Description
Technical field
The present invention relates to combustible ice drilling technology fields, in particular to a kind of flammable ice-cold drilling apparatus.
Background technology
It is seriously affected with the increasingly reduction of the workable reserves of traditional energy, and to environment generation, does not meet national hair
The strategic requirement of exhibition.Combustible ice is as a kind of methane content height, and energy density is high, distribution is wide, scale is big, resource reserve is big, and
It is environmentally safe after burning, contained organic carbon resource total amount be equivalent to coal known to the whole world, twice of oil and natural gas total amount,
By internationally recognized for oil, the extensive concern of natural gas taken over the energy, cause all over the world.The formation condition of combustible ice has
Low temperature, has sufficient air source at high pressure.If these conditions cannot have, combustible ice can be molten into rapidly water and methane, and methane is made
For a kind of greenhouse gases, once it is out of control, the weather in the whole world will be influenced, the gas after decomposition can also destroy ambient enviroment, sometimes
Solution cavity is there is also, natural gas hydrate stratum is made to sink, settlement of foundation accident occurs.
Although cold brills thermal recovery technology exploitation combustible ice has been invented by Jilin University at present, due to the drill bit in recovery process and
Wall friction heat, temperature of diamond bit raising can make crept into combustible ice be decomposed into water and methane rapidly, and methane gas is released
Putting can cause borehole wall stability to destroy, and cave-in occur, and the water for decomposing generation increases the water content on borehole wall stratum, can cause
Ground bulk settling, or even be also possible to cause the accidents such as well kick and blowout.
Therefore combustible ice is solved in drilling process, due to drill bit frictional heat, and makes crept into combustible ice resolution problem
It should cause to pay high attention to.
Utility model content
For the technical problem for solving present in the prior art, the present invention provides a kind of flammable ice-cold drilling apparatus.
A kind of flammable ice-cold drilling apparatus, including injection ice jet system, drilling system, power-supply system.The jet of ice grains
System includes liquid nitrogen cassette for supplying, water feeding tank, cryogenic hose, water injection pipe, high-pressure pump, regulating valve, sealing ring, and the external rotation of drilling rod is close
Envelope device, ice making funnel, the external rotating seal of ice making funnel, atomizer, ice pellets delivery pipe, branch's water injection pipe, first order jet nozzle,
Secondary nozzle, injection nozzle；The drilling system includes power plant, drilling rod, drill bit；The power-supply system includes power supply dress
It sets, electric wire.
Preferably, the cryogenic hose is closely connect with the external rotating seal of drilling rod；The lower end of drilling rod connects drill bit；It is low
Sealing ring is set between warm hose and the external rotating seal connection of drilling rod, to prevent liquid nitrogen from being leaked in drilling process；Water filling
Pipe is connect with the external rotating seal of drilling rod, and sealing ring is arranged at the position of interconnection, to prevent water in drilling process
Leakage；The operation principle of the rotating seal is equivalent to circumferential circulation device, solves cryogenic hose and note in drilling process
The problem of water pipe is mutually wound；Regulating valve, high-pressure pump are separately connected by cryogenic hose and water injection pipe.
Preferably, the circumferential rotating seal of setting outside the ice making funnel, the liquid nitrogen entrance of ice making inner wall of hopper and
Atomizer is respectively set at water filling port, liquid nitrogen and water are sprayed through atomizer, form mist jet；The ice making funnel outer layer
Equipped with thermal insulation layer.The ice making funnel bottom is connected with ice pellets delivery pipe；Ice pellets conveying bottom of the tube is connected with first order jet nozzle；
The ice pellets delivery pipe can lengthen section by section.
Preferably, branch's water injection pipe is connected with secondary nozzle；The secondary nozzle is placed in the inside of first order jet nozzle,
And injection nozzle is arranged in secondary nozzle front end, water is sprayed from the injection nozzle of secondary nozzle, is formed at a high speed, the water stream of concentration,
To drive the ice pellets high-speed motion inside first order jet nozzle, jet of ice grains is formed.
Preferably, the drill bit is three-wing bit and the combined composite drill bit of injection nozzle；Be inside drilling rod it is hollow,
Its hollow wall is equipped with heat preservation degree.
Preferably, a kind of flammable ice-cold drilling apparatus has multifunctional rotary excavating boring machine adaptable therewith；The rotation
It includes support leg, crawler-type telescopic chassis, tower body, rotary system, supply unit, automatic lifting brill mast to dig boring machine.The branch
Support leg can independent telescope so that multi-functional boring tower adapts to a variety of landform；Rotary system drives rod boring；Caterpillar telescopic bottom
Supply unit is set on disk；The automatic lifting, which bores mast, to be stretched, and can be operated to the cold drilling apparatus of combustible ice.It is described
Supply unit is connected and is powered to it by electric wire and high-pressure pump, power plant.
Description of the drawings
Fig. 1 is the total system schematic diagram of the utility model.
Fig. 2 is the drilling rod head end structural schematic diagram of the utility model.
Fig. 3 is the bit part structural schematic diagram of the utility model.
In figure：1- support leg 2- crawler-type telescopic chassis 3- tower body 4- rotary system 5- supply units 6- voluntarily rises
It falls and bores outside mast 7- power plant 8- water feeding tank 9- liquid nitrogen case 10- drilling rod 11- drill bit 12- ice making funnel 13- ice making funnels
It is external to set the external rotating seal 15- sealing rings 16- regulating valves 17- mixing chambers 18- drilling rods of rotating seal 14- drilling rods
Rotating seal 19- sealing ring 20- regulating valve 21- high-pressure pump 22- water filling port 23- liquid nitrogen import 24- water injection pipes 25-
Atomizer 26- insulating layer 27- branches water injection pipe 28- high-pressure pump 29- cryogenic hose 30- atomizer 31- diaphragm plates
32- insulating layer 33- ice pellets delivery pipe 34- first order jet nozzle 35- secondary nozzle 36- injection nozzles.
Specific implementation mode
1-3 is described further the technical solution of the utility model below in conjunction with the accompanying drawings.
A kind of flammable ice-cold drilling apparatus, including injection ice jet system, drilling system, power-supply system.The jet of ice grains
System includes liquid nitrogen cassette for supplying, water feeding tank, cryogenic hose, water injection pipe, high-pressure pump, regulating valve, sealing ring, and the external rotation of drilling rod is close
Envelope device, ice making funnel, the external rotating seal of ice making funnel, atomizer, ice pellets delivery pipe, branch's water injection pipe, first order jet nozzle,
Secondary nozzle, injection nozzle；The drilling system includes power plant, drilling rod, drill bit；The power-supply system includes power supply dress
It sets, electric wire.
The cryogenic hose is closely connect with the external rotating seal of drilling rod；The lower end of drilling rod connects drill bit；Cryogenic hose
Sealing ring is set between being connect with the external rotating seal of drilling rod, to prevent liquid nitrogen from being leaked in drilling process；Water injection pipe and brill
The external rotating seal connection of bar, and sealing ring is set at the position of interconnection, to prevent water from being leaked in drilling process；Rotation
The operation principle for turning sealer is equivalent to circumferential circulation device, solves the cryogenic hose in drilling process and is mutually wound with water injection pipe
The problem of；Regulating valve, high-pressure pump pass through cryogenic hose and water injection pipe.
The circumferential rotating seal of setting outside the ice making funnel, at the liquid nitrogen entrance and water inlet of ice making inner wall of hopper
Atomizer is respectively set, liquid nitrogen and water are sprayed through atomizer, form mist jet；Ice making funnel is equipped with thermal insulation layer.It is described
Ice making funnel bottom is connected with ice pellets delivery pipe；Ice pellets conveying bottom of the tube is connected with first order jet nozzle；The ice pellets delivery pipe
It can lengthen section by section.
Branch's water injection pipe is connected with secondary nozzle；The secondary nozzle is set to the inside of first order jet nozzle, and two
Injection nozzle is arranged in grade spray nozzle front end；Water is sprayed from the injection nozzle of secondary nozzle, is formed at a high speed, the water stream of concentration, to
The ice pellets high-speed motion inside first order jet nozzle is driven, jet of ice grains is formed.
The drill bit is three-wing bit and the combined composite drill bit of injection nozzle, be inside drilling rod it is hollow, it is hollow
Inner wall is equipped with insulating layer.
A kind of flammable ice-cold drilling apparatus has multifunctional rotary excavating boring machine adaptable therewith；The rotary digging boring machine
Mast is bored including support leg, crawler-type telescopic chassis, tower body, rotary system, supply unit, automatic lifting.The support leg can
Independent telescope, so that multi-functional boring tower adapts to a variety of landform；Rotary system drives rod boring；It is arranged on crawler-type telescopic chassis
Supply unit；The automatic lifting, which bores mast, to be stretched, and can be operated to the cold drilling apparatus of combustible ice.The supply unit
By electric wire and high-pressure pump, power plant is connected and is powered to it.
Originally steps are as follows for the use of flammable ice-cold drilling apparatus：
S1：Preparation stage：Drilling rod and liquid nitrogen pipe and water pipe are separately connected, and ensure sealing ring and drilling rod rotating seal
Close connection, leaks to prevent liquid nitrogen and water in supply process；And it is powered to high-pressure pump and power plant by supply unit.
S2：The drilling stage：Liquid nitrogen is transported to the external rotating seal lower space of drilling rod by cryogenic hose, then from liquid
Nitrogen inlet flows into, and is sprayed by atomizer and enters funnel mixing chamber to form mist jet；Water is transported to by water injection pipe
The external rotating seal upper space of drilling rod, then from water filling port flow by atomizer spray enter funnel mixing chamber thus
Form mist jet；Water and liquid nitrogen are formed by mist jet and are reduced suddenly in mixing cavity temperature, form ice pellets；Ice pellets is through ice
Grain delivery pipe enters first order jet nozzle, realizes in first order jet nozzle and accelerates for the first time；Water enters secondary nozzle by branch's water injection pipe, and
It realizes and accelerates in two level water injection pipe, and sprayed through injection nozzle, to drive the ice pellets high-speed motion inside first order jet nozzle, ice
Grain, which is realized second, to be accelerated, to form jet of ice grains inside drilling rod；Jet of ice grains and rod boring are gone simultaneously.
Preferably, in S1 steps, sealing ring is set in cryogenic hose and drilling rod external rotating seal connecting portion, together
When water injection pipe and the external rotating seal connecting portion of drilling rod be also provided with sealing ring, to ensure liquid nitrogen and water in drilling process not
It leaks；Liquid nitrogen is input to gaseous state in ice making funnel by cryogenic hose in advance, the preparation for ice pellets in drilling process carries
For a deep cooling space.
Preferably, in S1 steps, diaphragm plate is set inside drilling rod, the position of ice pellets delivery pipe is controlled, to prevent drilling rod
It is too fast in drilling process medium velocity, cause ice pellets delivery pipe to deviate home position, to cause ice pellets delivery pipe to damage.
Preferably, in S2 steps, with going deep into for drilling, adjunction drilling rod is needed；First stop drilling, jointed rod and ice
Grain delivery pipe, then adds diaphragm plate, to fix the position of ice pellets delivery pipe；It repeats and carries out step S1-S2.
The technology contents described above for only being used for further illustrating the utility model, in order to which reader is easier to understand, but
The embodiment for not representing Ben Fa utility models is only limitted to this, and any technology done according to the utility model extends or recreation,
Protected by the utility model.
Claims (3)
1. a kind of flammable ice-cold drilling apparatus, including injection ice jet system, drilling system, power-supply system, the jet of ice grains system
System includes liquid nitrogen case (9), water feeding tank (8), cryogenic hose (29), water injection pipe (24), high-pressure pump (28), regulating valve (20), sealing
Ring (19), the external rotating seal of drilling rod (18), ice making funnel (12), the external rotating seal of ice making funnel (13), atomization spray
Mouth (25), ice pellets delivery pipe (33), branch's water injection pipe (27), first order jet nozzle (34), secondary nozzle (35), injection nozzle (36)；
The drilling system includes power plant (7), drilling rod (10), drill bit (11)；The power-supply system includes supply unit (5), electricity
Line；It is characterized in that：
1. the cryogenic hose is closely connect with the external rotating seal of drilling rod；The lower end of drilling rod connects drill bit；Cryogenic hose with
Sealing ring is set between the external rotating seal connection of drilling rod, to ensure that liquid nitrogen does not leak in drilling process；Water injection pipe
It is connect with the external rotating seal of drilling rod, and sealing ring is set at the position of interconnection, to ensure water in drilling process not
It leaks；The operation principle of the rotating seal is equivalent to circumferential circulation device, inner hollow, and annular is coated on drilling rod
On, and drilling rod can rotate around it, and ensure the without interruption of in drilling process liquid nitrogen and water；Regulating valve, high-pressure pump pass through low temperature
Hose and water injection pipe are separately connected；
2. the circumferential rotating seal of setting outside the ice making funnel, liquid nitrogen entrance and the water filling port punishment of ice making inner wall of hopper
Atomizer is not set, and liquid nitrogen and water are sprayed through atomizer, form mist jet；The ice making funnel outer layer is equipped with heat-insulated
Layer；The ice making funnel bottom is connected with ice pellets delivery pipe；Ice pellets conveying bottom of the tube is connected with first order jet nozzle；The ice pellets
Delivery pipe can lengthen section by section；
3. branch's water injection pipe is connected with secondary nozzle；The secondary nozzle is set to the inside of first order jet nozzle, and two level
Injection nozzle is arranged in spray nozzle front end；Water is sprayed from the injection nozzle of secondary nozzle, the water stream for forming high speed, concentrating, to band
Ice pellets high-speed motion inside dynamic first order jet nozzle, forms jet of ice grains.
2. according to the flammable ice-cold drilling apparatus of one kind described in claim 1, which is characterized in that the drill bit is three-wing bit
The combined composite drill bit with injection nozzle；It is hollow inside drilling rod, hollow wall is equipped with insulating layer.
3. according to the flammable ice-cold drilling apparatus of one kind described in claim 1, which is characterized in that be provided with adaptable therewith
Multifunctional rotary excavating boring machine；The rotary digging boring machine includes support leg (1), crawler-type telescopic chassis (2), tower body (3), revolution system
It unites (4), supply unit (5), automatic lifting bore mast (6)；The support leg can independent telescope so that multi-functional boring tower adapt to it is more
Kind landform；Rotary system drives rod boring；Supply unit is set on crawler-type telescopic chassis；The automatic lifting bores mast can be with
It is flexible, flammable ice-cold drilling apparatus can be operated；The supply unit is connected simultaneously by electric wire and high-pressure pump, power plant
It powers to it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820426517.0U CN207988934U (en) | 2018-03-28 | 2018-03-28 | A kind of flammable ice-cold drilling apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820426517.0U CN207988934U (en) | 2018-03-28 | 2018-03-28 | A kind of flammable ice-cold drilling apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207988934U true CN207988934U (en) | 2018-10-19 |
Family
ID=63829366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820426517.0U Expired - Fee Related CN207988934U (en) | 2018-03-28 | 2018-03-28 | A kind of flammable ice-cold drilling apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207988934U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108590512A (en) * | 2018-03-28 | 2018-09-28 | 中国矿业大学(北京) | A kind of flammable ice-cold drilling method and device |
| CN112377162A (en) * | 2020-10-12 | 2021-02-19 | 重庆交通大学 | Method and spray head for crushing hot dry rock by liquid nitrogen cold impact composite high-pressure water jet |
-
2018
- 2018-03-28 CN CN201820426517.0U patent/CN207988934U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108590512A (en) * | 2018-03-28 | 2018-09-28 | 中国矿业大学(北京) | A kind of flammable ice-cold drilling method and device |
| CN108590512B (en) * | 2018-03-28 | 2023-10-10 | 中国矿业大学(北京) | Combustible ice-cold drilling method and device |
| CN112377162A (en) * | 2020-10-12 | 2021-02-19 | 重庆交通大学 | Method and spray head for crushing hot dry rock by liquid nitrogen cold impact composite high-pressure water jet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181019 Termination date: 20200328 |
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| CF01 | Termination of patent right due to non-payment of annual fee |