CN105156055B - Electric compressor evaporates the ice-bound pressurize corer of direct-cooling type - Google Patents
Electric compressor evaporates the ice-bound pressurize corer of direct-cooling type Download PDFInfo
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- CN105156055B CN105156055B CN201510640849.XA CN201510640849A CN105156055B CN 105156055 B CN105156055 B CN 105156055B CN 201510640849 A CN201510640849 A CN 201510640849A CN 105156055 B CN105156055 B CN 105156055B
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Abstract
The ice-bound pressurize corer of direct-cooling type is evaporated the invention discloses a kind of electric compressor, freezed by hermetically sealed refrigerating compressor unit compression refrigerant and directly in the evaporation of ice valve pipe outer wall, totally enclosed type direct current compressor provides electrical energy drive by bottom hole battery short circuit；The present invention is using hermetically sealed refrigerating compressor unit as low-temperature receiver, and coolant channel is attached using welding junction, can be prevented effectively from the liquid such as water and be caused the problem of refrigeration system can not work into refrigerant circulation line；Required refrigerating capacity is adjusted by adjusting the reserve of electricity of battery, the cold supply of abundance is can guarantee that, significantly reduces the complexity of system；Storage battery power supply can make refrigeration compressor in running order until core sample is removed earth's surface extracting rock core whole process, and lasting refrigeration can guarantee that the sealed reliability of ice valve during coring operation.
Description
Technical field
The present invention relates to a kind of Gas Hydrate Drilling pressure-temperature coring device, more particularly to a kind of electric compressor steams
Send out the ice-bound pressurize corer of direct-cooling type.
Background technology
Gas hydrates are had a major impact because of it as following alternative energy source, and to submarine landslide, greenhouse effects etc.
And receive significant attention.The high-fidelity gas hydrates sample that home state is taken using probing means is researching natural gas water
Compound reservoir correlation geophysics, chemical property of the earth and understanding gas hydrates concentration, reserves method the most direct.It is public
The number of opening ice valve type heat-insulation pressure keeping sampler disclosed in CN101706379A patent is proposed using storage low-temperature receiver mode the most
Refrigeration system, it is larger to there is drilling tool volume in actual applications, and fluid passage insulation is difficult to realize, can not freeze in drilling process
It is easily caused the problems such as ice valve melts seal failure.Publication No. CN102494428A patent is disclosed for replacing stored energy source
The hydraulic down-hole refrigerator of mode, due to sensitiveness of the refrigerant to water, higher sealing is proposed to hydraulic down-hole refrigerator
It is required that, its moving component the problems such as abrasion easily because causing refrigeration to fail, and equally existing to be unable to continuous cooling in drilling process
Easily cause the problem of ice valve melts seal failure.It is considered herein that can as low-temperature receiver using electric driven compression sweat cooling technology
Greatly improve the reliability of ice-bound pressure-keeping mechanism.
The content of the invention
The invention aims to solve the problem of above-mentioned ice-bound pressure keeping sampler is present, and a kind of electronic pressure provided
The contracting evaporation ice-bound pressurize corer of direct-cooling type.
The present invention includes fishing head 1, outer shell 2, steel ball 3, fluid passage change over valve 4, valve spring 5, battery 6, totally enclosed type pressure
Contracting machine 7, condenser 8, wire 9, refrigerant suction pipe road 10, switch 11, guide rod 12, refrigerant outlet pipes 13, lift cylinder
14th, pipe 19 and ice valve 21 in bearing 15, single action basket 16, sealing ring 17, evaporation direct-cooling type ice valve pipe 18, capillary channel；
Wherein fishing head 1 is arranged on the top of outer shell 2, and steel ball 3 is arranged on the elastic cuffs end of fishing head 1, and fluid passage change over valve 4 is arranged on
It is connected in outer shell 2 and with valve spring 5；Battery 6, fully closed compressor 7 and condenser 8 are from top to bottom successively set on outer shell
In 2, the power output end of battery 6 is connected with the power input of fully closed compressor 7, and battery 6 is by wire 9 with opening
11 are closed to connect；Guide rod 12 is arranged in outer shell 2, and switch 11 is arranged on the upper surface of guide rod 12, Totally-enclosed type refrigeration pressure
The outlet of contracting machine 7 is connected with condenser 8, and the liquid outlet of condenser 8 is single by the UNICOM of pipe 19 in pipeline 13 and capillary channel
Dynamic basket 16 and evaporation direct-cooling type ice valve pipe 18 is from top to bottom successively set in outer shell 2, evaporation direct-cooling type ice valve pipe 18
The air entry UNICOM that outlet passes through refrigerant suction pipe road 10 and fully closed compressor 7；Lift cylinder 14 is arranged on guide rod 12
On, single action basket 16 is arranged in lift cylinder 14 by bearing 15, pipe 19 in evaporation direct-cooling type ice valve pipe 18, capillary channel
It is sequentially arranged on outer shell 2.
The present invention the course of work and principle be：
Refrigerating function is by hermetically sealed refrigerating compressor unit compression refrigerant and directly evaporates progress in ice valve pipe outer wall
Refrigeration.Totally enclosed type direct current compressor provides electrical energy drive by battery short circuit in bottom hole drilling tool.
During normal drilling, drilling fluid enters in outer shell 2 from first passage 31, and is expelled directly out outer shell by third channel 33
2, core sample 20 enters in single action basket 16, and the drilling fluid in single action basket 16 passes sequentially through the 11st passage 41 and the
Ten passages 40 discharge outer shell 2.When carrying out coring operation after the completion of creeping into work, connect in ground tripping in fisher with fishing head 1
Connect and lift a segment distance, the elastic cuffs end of fishing head 1 is opened, and steel ball 3 falls down the port for blocking fluid passage change over valve 4, in fluid passage
Down promoted under the effect of the drilling liquid pressure of change over valve 4 and open second channel 32, drilling fluid is successively along second channel 32, four-way
Road 34 and Five-channel 35 are entered in the annulus 36 being made up of lift cylinder 14 and guide rod 12, in drilling liquid pressure effect
Under, single action basket 16 of the carrying of lift cylinder 14 equipped with core sample 20 up moves a segment distance to the upper surface of lift cylinder 14 and touched
Compress switch 11, make hermetically sealed refrigerating compressor unit 7 and the UNICOM of battery 6, hermetically sealed refrigerating compressor unit 7 is started working, other
Drilling fluid in space discharges outer shell 2 by the 7th passage 37 and the tenth passage 40.Compressed by hermetically sealed refrigerating compressor unit 7
Refrigerant enter condenser 8 in be condensed after, the 9th passage 39 being made up of refrigerant outlet pipes 13 enters capillary channel
The capillary channel 43 of middle pipe 19, the refrigerant throttled by capillary channel 43 enters the of the lower end of evaporation direct-cooling type ice valve pipe 18
Two evaporator heat exchange passages 44 and the first evaporator heat exchange passage 42 of upper end are evaporated refrigeration, the shape in the 11st passage 41
Cheng Shangbing valves 22, form lower ice valve 21, by the core sample in single action basket 16 in the evaporation lower port of direct-cooling type ice valve pipe 18
20 sealing pressurizes.
Beneficial effects of the present invention：The present invention is using hermetically sealed refrigerating compressor unit as low-temperature receiver, and coolant channel is adopted
It is attached with welding junction, the liquid such as water can be prevented effectively from and cause what refrigeration system can not work into refrigerant circulation line
Problem；Required refrigerating capacity is adjusted by adjusting the reserve of electricity of battery, the cold supply of abundance is can guarantee that, significantly reduces system
Complexity；Storage battery power supply can make refrigeration compressor in running order until core sample is taken extracting rock core whole process
Go out earth's surface, lasting refrigeration can guarantee that the sealed reliability of ice valve during coring operation.
Brief description of the drawings
Fig. 1 is the normal drilling schematic diagram of the embodiment of the present invention.
Fig. 2 is the coring operation schematic diagram of the embodiment of the present invention.
Embodiment
Refer to shown in Fig. 1 and Fig. 2, be embodiments of the invention, including the conversion of fishing head 1, outer shell 2, steel ball 3, fluid passage
Valve 4, valve spring 5, battery 6, fully closed compressor 7, condenser 8, wire 9, refrigerant suction pipe road 10, switch 11, lead
To bar 12, refrigerant outlet pipes 13, lift cylinder 14, bearing 15, single action basket 16, sealing ring 17, evaporation direct-cooling type ice valve
Pipe 19 and ice valve 21 in pipe 18, capillary channel；Wherein fishing head 1 is arranged on the top of outer shell 2, and steel ball 3 is arranged on fishing head 1
Elastic cuffs end, fluid passage change over valve 4 is arranged in outer shell 2 and is connected with valve spring 5；Battery 6, fully closed compressor 7
From top to bottom it is successively set in outer shell 2 with condenser 8, the power output end of battery 6 and the power supply of fully closed compressor 7
Input is connected, and battery 6 is connected by wire 9 with switch 11；Guide rod 12 is arranged in outer shell 2, and switch 11, which is arranged on, leads
To on the upper surface of bar 12, the outlet of hermetically sealed refrigerating compressor unit 7 is connected with condenser 8, and the liquid outlet of condenser 8 passes through
Pipeline 13 and the UNICOM of pipe 19 in capillary channel, single action basket 16 and evaporation direct-cooling type ice valve pipe 18 are from top to bottom set gradually
In outer shell 2, the outlet of evaporation direct-cooling type ice valve pipe 18 passes through the air-breathing in refrigerant suction pipe road 10 and fully closed compressor 7
Mouth UNICOM；Lift cylinder 14 is arranged on guide rod 12, and single action basket 16 is arranged in lift cylinder 14 by bearing 15, and evaporation is straight
Pipe 19 is sequentially arranged on outer shell 2 in cold type ice valve pipe 18, capillary channel.
The course of work and principle of the present embodiment be：
Refrigerating function is by hermetically sealed refrigerating compressor unit compression refrigerant and directly evaporates progress in ice valve pipe outer wall
Refrigeration.Totally enclosed type direct current compressor provides electrical energy drive by bottom hole battery short circuit.
During normal drilling, drilling fluid enters in outer shell 2 from first passage 31, and is expelled directly out outer shell by third channel 33
2, core sample 20 enters in single action basket 16, and the drilling fluid in single action basket 16 passes sequentially through the 11st passage 41 and the
Ten passages 40 discharge outer shell 2.When carrying out coring operation after the completion of creeping into work, connect in ground tripping in fisher with fishing head 1
Connect and lift a segment distance, the elastic cuffs end of fishing head 1 is opened, and steel ball 3 falls down the port for blocking fluid passage change over valve 4, in fluid passage
Down promoted under the effect of the drilling liquid pressure of change over valve 4 and open second channel 32, drilling fluid is successively along second channel 32, four-way
Road 34 and Five-channel 35 are entered in the annulus 36 being made up of lift cylinder 14 and guide rod 12, in drilling liquid pressure effect
Under, single action basket 16 of the carrying of lift cylinder 14 equipped with core sample 20 up moves a segment distance to the upper surface of lift cylinder 14 and touched
Compress switch 11, make hermetically sealed refrigerating compressor unit 7 and the UNICOM of battery 6, hermetically sealed refrigerating compressor unit 7 is started working, other
Drilling fluid in space discharges outer shell 2 by the 7th passage 37 and the tenth passage 40.Compressed by hermetically sealed refrigerating compressor unit 7
Refrigerant enter condenser 8 in be condensed after, the 9th passage 39 being made up of refrigerant outlet pipes 13 enters capillary channel
The capillary channel 43 of middle pipe 19, the refrigerant throttled by capillary channel 43 enters the of the lower end of evaporation direct-cooling type ice valve pipe 18
Two evaporator heat exchange passages 44 and the first evaporator heat exchange passage 42 of upper end are evaporated refrigeration, the shape in the 11st passage 41
Cheng Shangbing valves 22, form lower ice valve 21, by the core sample in single action basket 16 in the evaporation lower port of direct-cooling type ice valve pipe 18
20 sealing pressurizes.
Claims (1)
1. a kind of electric compressor evaporates the ice-bound pressurize corer of direct-cooling type, it is characterised in that：Including fishing head (1), outer shell (2),
Steel ball (3), fluid passage change over valve (4), valve spring (5), battery (6), fully closed compressor (7), condenser (8), wire
(9), refrigerant suction pipe road (10), switch (11), guide rod (12), refrigerant outlet pipes (13), lift cylinder (14), bearing
(15), pipe (19) and ice valve in single action basket (16), sealing ring (17), evaporation direct-cooling type ice valve pipe (18), capillary channel
(21)；Wherein fishing head (1) is arranged on the top of outer shell (2), and steel ball (3) is arranged on the elastic cuffs end of fishing head (1), fluid passage
Change over valve (4) is arranged in outer shell (2) and is connected with valve spring (5)；Battery (6), fully closed compressor (7) and condenser
(8) from top to bottom it is successively set in outer shell (2), the power output end of battery (6) and the power supply of fully closed compressor (7)
Input is connected, and battery (6) is connected by wire (9) with switch (11)；Guide rod (12) is arranged in outer shell (2), switch
(11) on the upper surface for being arranged on guide rod (12), the outlet of hermetically sealed refrigerating compressor unit (7) is connected with condenser (8),
The liquid outlet of condenser (8) is by pipe (19) UNICOM in pipeline (13) and capillary channel, and single action basket (16) and evaporation are straight
Cold type ice valve pipe (18) is from top to bottom successively set in outer shell (2), and the outlet of evaporation direct-cooling type ice valve pipe (18) passes through refrigeration
The air entry UNICOM of agent intake line (10) and fully closed compressor (7)；Lift cylinder (14) is arranged on guide rod (12), single
Dynamic basket (16) is arranged in lift cylinder (14) by bearing (15), in evaporation direct-cooling type ice valve pipe (18), capillary channel every
Pipe (19) is sequentially arranged on outer shell (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510640849.XA CN105156055B (en) | 2015-10-08 | 2015-10-08 | Electric compressor evaporates the ice-bound pressurize corer of direct-cooling type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510640849.XA CN105156055B (en) | 2015-10-08 | 2015-10-08 | Electric compressor evaporates the ice-bound pressurize corer of direct-cooling type |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105156055A CN105156055A (en) | 2015-12-16 |
| CN105156055B true CN105156055B (en) | 2017-11-07 |
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| CN201510640849.XA Active CN105156055B (en) | 2015-10-08 | 2015-10-08 | Electric compressor evaporates the ice-bound pressurize corer of direct-cooling type |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107727432B (en) * | 2017-11-25 | 2020-03-24 | 吉林大学 | Vibrating type pressure-maintaining sampler for marine hydrate |
| CN109736736B (en) * | 2019-03-11 | 2021-07-27 | 吉林大学 | Direct-cooling core drilling tool for evaporation of seabed loose fragile stratum |
| CN110043211B (en) * | 2019-05-16 | 2021-10-08 | 重庆大学 | Semiconductor refrigeration type freezing coring device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101514614B (en) * | 2009-04-02 | 2011-12-28 | 吉林大学 | Dry ice sublimation hole bottom refrigerating and pressure keeping sampler and sampling method |
| RU2515159C1 (en) * | 2012-11-01 | 2014-05-10 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Национальный минерально-сырьевой университет "Горный" | Electromechanical drilling assembly |
| CN104653134B (en) * | 2014-12-16 | 2016-10-12 | 吉林大学 | Liquid nitrogen gas hydrate hole-bottom frozen core plugging notifying mechanism of rope core drilling |
| CN104653176B (en) * | 2015-02-08 | 2017-04-05 | 吉林大学 | The ice-bound pressure-keeping mechanism of evaporation direct-cooling type |
| CN104929554B (en) * | 2015-07-10 | 2017-09-15 | 吉林大学 | Pneumatic circulating freezing type gas hydrates cord coring drill and coring method |
| CN205025400U (en) * | 2015-10-08 | 2016-02-10 | 吉林大学 | Ice -bound pressurize corer of electronic compression direct -cooled formula of evaporation |
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