CN204457539U - Ice-bound coring drilling with keep up pressure drilling tool solid-liquid phase change low-temperature receiver - Google Patents
Ice-bound coring drilling with keep up pressure drilling tool solid-liquid phase change low-temperature receiver Download PDFInfo
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- CN204457539U CN204457539U CN201420812258.7U CN201420812258U CN204457539U CN 204457539 U CN204457539 U CN 204457539U CN 201420812258 U CN201420812258 U CN 201420812258U CN 204457539 U CN204457539 U CN 204457539U
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Abstract
The utility model relates to a kind of ice-bound coring drilling with keep up pressure drilling tool solid-liquid phase change low-temperature receiver, be made up of the heat exchange container storing solid-liquid phase change material in drilling tool: be connected with upper end cover by screw thread by cylindrical shell upper end, cylindrical shell lower end is connected with lower contact by screw thread, lower contact top is pressed with collector plate, collector plate was provided with pore, metal disk is provided with the pore excessively with collector plate equal number and diameter, U-shaped metal tube outer passage crosses pore through metal disk insertion collector plate, and U-shaped metal tube inner channel is formed through collector plate and lower contact step channel.The utility model is compared with prior art: the latent heat of phase change characteristic that make use of cool storage medium, can store required cold energy with the medium of smaller size smaller; The structure refrigeration machine at the bottom of hole that comparatively surges simplifies greatly, adds the reliability of low-temperature receiver, reduces manufacture difficulty and cost; What low-temperature receiver occurred in hole is solid-liquid phase change, not to emission gases in hole, does not produce any impact to head of liquid in hole, is conducive to hole wall and stablizes.
Description
Technical field:
The utility model relates to a kind of solid-liquid phase change low-temperature receiver, especially the solid-liquid phase change low-temperature receiver of the ice-bound coring drilling with keep up pressure drilling tool of gas hydrates.
Background technology
Low-temperature receiver is the critical component of the ice-bound coring drilling with keep up pressure drilling tool of gas hydrates, determines in-situ preparation ice valve or the speed of aqualite combination valve, the reliability of parts and volume size at the bottom of ice-bound coring drilling with keep up pressure operation hole to a great extent.
CN201679497U discloses one " Icebound type pressure-maintaining and temperature-preserving sampler ", adopts cryogenic liquid as low-temperature receiver, does not utilize the latent heat of phase change characteristic of low-temperature receiver medium, in same volume situation, the cold energy stored is less, and liquid storage volume is large, causes drilling tool size larger.
CN102494428A discloses one " hydraulic down-hole refrigerator " and adopts and freeze with compressor in hole, and complex structure, implements difficulty comparatively large, and refrigerating speed is comparatively slow, reaches to generate ice valve or aqualite to meet the low temperature required time of valve longer.And adopt liquid-gas phase transition to freeze or solid-gas reaction refrigeration modes, need emission gases in hole, be unfavorable for that hole wall is stablized.
Summary of the invention:
The purpose of this utility model is just for above-mentioned the deficiencies in the prior art, provides the ice-bound coring drilling with keep up pressure drilling tool solid-liquid phase change low-temperature receiver of a kind of gas hydrates ice-bound coring drilling with keep up pressure drilling tool
The object of the invention is to be achieved through the following technical solutions:
Ice-bound coring drilling with keep up pressure drilling tool solid-liquid phase change low-temperature receiver, is made up of the heat exchange container storing solid-liquid phase change material in drilling tool:
Described solid-liquid phase change material 2 is made up of the ethanol water of 50%-80% or the glycol water of 45%-85%;
The heat exchange container of solid-liquid phase change material is stored in described drilling tool, be connected with upper end cover 1 by screw thread by cylindrical shell 3 upper end, cylindrical shell 3 lower end is connected with lower contact 7 by screw thread, lower contact 7 top is pressed with collector plate 6, collector plate 6 is spacing by cylindrical shell 3 interior step, lower contact 7 upper end is provided with lower contact annular groove V, outside is provided with two axial passages VI, center is lower contact step channel VII, collector plate 6 is provided with 3 ~ 8 to crossing pore IV, inside and outside point, two circles are uniformly distributed, the collector plate of collector plate 6 outer ring is crossed 3 ~ 8 lower contact outer passage VI that pore IV is provided with through lower contact annular groove V and lower contact 7 and is connected, the lower contact center step channel VII that pore and the lower contact 7 excessively of collector plate 6 inner ring are provided with is through, metal disk 5 is provided with centre bore II, and the pore VIII be excessively provided with collector plate 6 equal number and diameter, U-shaped metal tube 4 outer passage III inserts the pore IV excessively of collector plate 6 through metal disk 5 mistake pore VIII, through by lower contact annular groove V and lower contact 7 outer passage VI, U-shaped metal tube 4 inner channel I is crossed pore VIII through metal disk 5 and is inserted collector plate 6 and lower contact step channel VII formation.
Collector plate is crossed pore IV and metal disk and is crossed pore VIII and divide equally the paired uniform setting of inside and outside two circle, and the radial distance that collector plate crosses pore IV is 2/3 of collector plate 6 radius.
Be provided with multiple layer metal disk 5 in the heat exchange container of interior storage solid-liquid phase change material, the distance between metal disk 5 is 0.5mm-5mm.
U-shaped metal tube 4 and the good material of metal disk 5 red copper, aluminium alloys or heat conductivility make.
Beneficial effect: one is the latent heat of phase change characteristic that make use of cool storage medium, can store required cold energy with the medium of smaller size smaller; Two is that the structure refrigeration machine at the bottom of hole that comparatively surges simplifies greatly, adds the reliability of low-temperature receiver, reduces manufacture difficulty and cost; Three what be that low-temperature receiver occurs in hole is solid-liquid phase change, not to emission gases in hole, does not produce any impact to head of liquid in hole, is conducive to hole wall and stablizes.
Accompanying drawing illustrates:
Accompanying drawing 1 is ice-bound coring drilling with keep up pressure drilling tool solid-liquid phase change low-temperature receiver front view
Accompanying drawing 2 is that Fig. 1 is along A-A sectional view
1 upper end cover, 2 solid-liquid phase change materials, 3 cylindrical shells, 4U type metal tube, 5 metal disks, 6 collector plate, 7 lower contacts, I U-shaped metal tube inner channel, II metal disk centre bore, III U-shaped metal tube outer passage, IV collector plate crosses pore, V lower contact annular groove, VI lower contact outer passage, VII lower contact step channel, VIII metal disk crosses pore.
Detailed description of the invention:
Be described in further detail below in conjunction with accompanying drawing and example:
Ice-bound coring drilling with keep up pressure drilling tool solid-liquid phase change low-temperature receiver, is made up of the heat exchange container storing solid-liquid phase change material in drilling tool:
Described solid-liquid phase change material 2 is made up of the ethanol water of 50%-80% or the glycol water of 45%-85%;
The heat exchange container of solid-liquid phase change material is stored in described drilling tool, be connected with upper end cover 1 by screw thread by cylindrical shell 3 upper end, cylindrical shell 3 lower end is connected with lower contact 7 by screw thread, lower contact 7 top is pressed with collector plate 6, collector plate 6 is spacing by cylindrical shell 3 interior step, lower contact 7 upper end is provided with lower contact annular groove V, outside is provided with two axial passages VI, center is lower contact step channel VII, collector plate 6 is provided with 3 ~ 8 to crossing pore IV, inside and outside point, two circles are uniformly distributed, the collector plate of collector plate 6 outer ring is crossed 3 ~ 8 lower contact outer passage VI that pore IV is provided with through lower contact annular groove V and lower contact 7 and is connected, the lower contact center step channel VII that pore and the lower contact 7 excessively of collector plate 6 inner ring are provided with is through, metal disk 5 is provided with centre bore II, and the pore VIII be excessively provided with collector plate 6 equal number and diameter, U-shaped metal tube 4 outer passage III inserts the pore IV excessively of collector plate 6 through metal disk 5 mistake pore VIII, through by lower contact annular groove V and lower contact 7 outer passage VI, U-shaped metal tube 4 inner channel I is crossed pore VIII through metal disk 5 and is inserted collector plate 6 and lower contact step channel VII formation.
Collector plate is crossed pore IV and metal disk and is crossed pore VIII and divide equally the paired uniform setting of inside and outside two circle, and the radial distance that collector plate crosses pore IV is 2/3 of collector plate 6 radius.
Be provided with multiple layer metal disk 5 in the heat exchange container of interior storage solid-liquid phase change material, the distance between metal disk 5 is 5mm.
U-shaped metal tube 4 and metal disk 5 red copper or aluminium alloys high thermal conductivity metal material make.
Embodiment 1
The heat exchange container of solid-liquid phase change material is stored in tool, be connected with upper end cover 1 by screw thread by cylindrical shell 3 upper end, cylindrical shell 3 lower end is connected with lower contact 7 by screw thread, lower contact 7 top is pressed with collector plate 6, collector plate 6 is spacing by cylindrical shell 3 interior step, lower contact 7 upper end is provided with lower contact annular groove V, outside is provided with two axial passages VI, center is lower contact step channel VII, collector plate 6 is provided with 3 to crossing pore IV, inside and outside point, two circles are uniformly distributed, the collector plate of collector plate 6 outer ring is crossed 3 lower contact outer passage VI that pore IV is provided with through lower contact annular groove V and lower contact 7 and is connected, the lower contact center step channel VII that pore and the lower contact 7 excessively of collector plate 6 inner ring are provided with is through, metal disk 5 is provided with centre bore II, and the pore VIII be excessively provided with collector plate 6 equal number and diameter, U-shaped metal tube 4 outer passage III inserts the pore IV excessively of collector plate 6 through metal disk 5 mistake pore VIII, through by lower contact annular groove V and lower contact 7 outer passage VI, U-shaped metal tube 4 inner channel I is crossed pore VIII through metal disk 5 and is inserted collector plate 6 and lower contact step channel VII formation.
Collector plate is crossed pore IV and metal disk and is crossed pore VIII and divide equally the paired uniform setting of inside and outside two circle, and the radial distance that collector plate crosses pore IV is 2/3 of collector plate 6 radius.
Be provided with multiple layer metal disk 5 in the heat exchange container of interior storage solid-liquid phase change material, the distance between metal disk 5 is 5mm.
U-shaped metal tube 4 and metal disk 5 beryllium-bronze high thermal conductivity metal material make.
First, on the ground, open heat exchange container upper end cover 1, be the ethanol water of 50%-80% by the solid-liquid phase change material 2 of liquid state, inject heat exchange container along metal disk centre bore II, cover upper end cover 1; Then, entirety is put into ultra-low temperature constant temperature groove low temperature cold source and is freezed, and makes its temperature be reduced to below freezing point, and liquid-solid-phase changeable occurs and stores cold; Finally, proceeded to the adiabatic storehouse in ice-bound coring drilling with keep up pressure drilling tool, become low-temperature receiver in hole with in drilling tool access aperture.
When the ice-bound coring drilling with keep up pressure of needs, down-the-hole pump in drilling tool orders about the cooling medium after intensification, from lower contact outer passage VI and lower contact annular groove V, pore IV is crossed by the outer ring in collector plate, flow into U-shaped metal tube outer passage II, heat is passed to the solid-liquid phase change material 2 between metal disk by metal tube 4 tube wall and metal disk 5 and reduces temperature, then by U-shaped metal tube inner channel I, flow into lower contact stepped hole passage VII, flow to heat exchange window position bottom drilling tool, ice valve or aqualite combination valve are formed gradually, realize carrying out ice-bound pressurize to gas hydrates rock core.
Embodiment 2
The heat exchange container of solid-liquid phase change material is stored in drilling tool, be connected with upper end cover 1 by screw thread by cylindrical shell 3 upper end, cylindrical shell 3 lower end is connected with lower contact 7 by screw thread, lower contact 7 top is pressed with collector plate 6, collector plate 6 is spacing by cylindrical shell 3 interior step, lower contact 7 upper end is provided with lower contact annular groove V, outside is provided with two axial passages VI, center is lower contact step channel VII, collector plate 6 is provided with 5 to crossing pore IV, inside and outside point, two circles are uniformly distributed, the collector plate of collector plate 6 outer ring is crossed 5 lower contact outer passage VI that pore IV is provided with through lower contact annular groove V and lower contact 7 and is connected, the lower contact center step channel VII that pore and the lower contact 7 excessively of collector plate 6 inner ring are provided with is through, metal disk 5 is provided with centre bore II, and the pore VIII be excessively provided with collector plate 6 equal number and diameter, U-shaped metal tube 4 outer passage III inserts the pore IV excessively of collector plate 6 through metal disk 5 mistake pore VIII, through by lower contact annular groove V and lower contact 7 outer passage VI, U-shaped metal tube 4 inner channel I is crossed pore VIII through metal disk 5 and is inserted collector plate 6 and lower contact step channel VII formation.
Collector plate is crossed pore IV and metal disk and is crossed pore VIII and divide equally the paired uniform setting of inside and outside two circle, and the radial distance that collector plate crosses pore IV is 2/3 of collector plate 6 radius.
Be provided with multiple layer metal disk 5 in the heat exchange container of interior storage solid-liquid phase change material, the distance between metal disk 5 is 5mm.
U-shaped metal tube 4 and metal disk 5 beryllium-bronze high thermal conductivity metal material make.
First on the ground, open heat exchange container upper end cover 1, be the glycol water of 45%-85% by liquid solid-liquid phase change material 2, inject heat exchange container along metal disk centre bore II, cover upper end cover 1; Then, entirety is put into ultra-low temperature constant temperature groove low temperature cold source and is freezed, and makes its temperature be reduced to below freezing point, and liquid-solid-phase changeable occurs and stores cold; Finally, proceeded to the adiabatic storehouse in ice-bound coring drilling with keep up pressure drilling tool, become low-temperature receiver in hole with in drilling tool access aperture.
When the ice-bound coring drilling with keep up pressure of needs, down-the-hole pump in drilling tool orders about the cooling medium after intensification, from lower contact outer passage VI and lower contact annular groove V, pore IV is crossed by the outer ring in collector plate, flow into U-shaped metal tube outer passage II, heat is passed to the solid-liquid phase change material 2 between metal disk by metal tube 4 tube wall and metal disk 5 and reduces temperature, then by U-shaped metal tube inner channel I, flow into lower contact stepped hole passage VII, flow to heat exchange window position bottom drilling tool, ice valve or aqualite combination valve are formed gradually, realize carrying out ice-bound pressurize to gas hydrates rock core.
Embodiment 3
The heat exchange container of solid-liquid phase change material is stored in drilling tool, be connected with upper end cover 1 by screw thread by cylindrical shell 3 upper end, cylindrical shell 3 lower end is connected with lower contact 7 by screw thread, lower contact 7 top is pressed with collector plate 6, collector plate 6 is spacing by cylindrical shell 3 interior step, lower contact 7 upper end is provided with lower contact annular groove V, outside is provided with two axial passages VI, center is lower contact step channel VII, collector plate 6 is provided with 8 to crossing pore IV, inside and outside point, two circles are uniformly distributed, the collector plate of collector plate 6 outer ring is crossed 8 lower contact outer passage VI that pore IV is provided with through lower contact annular groove V and lower contact 7 and is connected, the lower contact center step channel VII that pore and the lower contact 7 excessively of collector plate 6 inner ring are provided with is through, metal disk 5 is provided with centre bore II, and the pore VIII be excessively provided with collector plate 6 equal number and diameter, U-shaped metal tube 4 outer passage III inserts the pore IV excessively of collector plate 6 through metal disk 5 mistake pore VIII, through by lower contact annular groove V and lower contact 7 outer passage VI, U-shaped metal tube 4 inner channel I is crossed pore VIII through metal disk 5 and is inserted collector plate 6 and lower contact step channel VII formation.
Collector plate is crossed pore IV and metal disk and is crossed pore VIII and divide equally the paired uniform setting of inside and outside two circle, and the radial distance that collector plate crosses pore IV is 2/3 of collector plate 6 radius.
Be provided with multiple layer metal disk 5 in the heat exchange container of interior storage solid-liquid phase change material, the distance between metal disk 5 is 5mm.
U-shaped metal tube 4 and metal disk 5 make of beryllium-bronze.
First on the ground, open heat exchange container upper end cover 1, be the ethanol water of 50%-80% by liquid solid-liquid phase change material 2, inject heat exchange container along metal disk centre bore II, cover upper end cover 1; Then, entirety is put into ultra-low temperature constant temperature groove low temperature cold source and is freezed, and makes its temperature be reduced to below freezing point, and liquid-solid-phase changeable occurs and stores cold; Finally, proceeded to the adiabatic storehouse in ice-bound coring drilling with keep up pressure drilling tool, become low-temperature receiver in hole with in drilling tool access aperture.
When the ice-bound coring drilling with keep up pressure of needs, down-the-hole pump in drilling tool orders about the cooling medium after intensification, from lower contact outer passage VI and lower contact annular groove V, pore IV is crossed by the outer ring in collector plate, flow into U-shaped metal tube outer passage II, heat is passed to the solid-liquid phase change material 2 between metal disk by metal tube 4 tube wall and metal disk 5 and reduces temperature, then by U-shaped metal tube inner channel I, flow into lower contact stepped hole passage VII, flow to heat exchange window position bottom drilling tool, ice valve or aqualite combination valve are formed gradually, realize carrying out ice-bound pressurize to gas hydrates rock core.
Claims (4)
1. an ice-bound coring drilling with keep up pressure drilling tool solid-liquid phase change low-temperature receiver, is made up of the heat exchange container storing solid-liquid phase change material in drilling tool, it is characterized in that:
Described solid-liquid phase change material (2) is made up of the ethanol water of 50%-80% or the glycol water of 45%-85%;
Described solid-liquid phase change low-temperature receiver, adopts solid-liquid phase change material as low-temperature receiver, but not solid and gas or liquid-gas phase transition material;
The heat exchange container of solid-liquid phase change material is stored in described drilling tool, be connected with upper end cover (1) by screw thread by cylindrical shell (3) upper end, cylindrical shell (3) lower end is connected with lower contact (7) by screw thread, lower contact (7) top is pressed with collector plate (6), collector plate (6) is spacing by cylindrical shell (3) interior step, lower contact (7) upper end is provided with lower contact annular groove V, outside is provided with two axial passages VI, center is lower contact step channel VII, collector plate (6) is provided with 3 ~ 8 to crossing pore IV, inside and outside point, two circles are uniformly distributed, the collector plate of collector plate (6) outer ring is crossed 3 ~ 8 lower contact outer passage VI that pore IV is provided with through lower contact annular groove V and lower contact (7) and is connected, the lower contact center step channel VII that pore and the lower contact (7) excessively of collector plate (6) inner ring are provided with is through, metal disk (5) is provided with centre bore II, and the pore VIII be excessively provided with collector plate (6) equal number and diameter, U-shaped metal tube (4) outer passage III inserts the pore IV excessively of collector plate (6) through metal disk (5) mistake pore VIII, through by lower contact annular groove V and lower contact (7) outer passage VI, U-shaped metal tube (4) inner channel I is inserted collector plate (6) through metal disk (5) mistake pore VIII and is formed with lower contact step channel VII.
2. according to ice-bound coring drilling with keep up pressure drilling tool solid-liquid phase change low-temperature receiver according to claim 1, it is characterized in that: collector plate is crossed pore IV and metal disk and crossed pore VIII and divide equally the paired uniform setting of inside and outside two circle, and the radial distance that collector plate crosses pore IV is 2/3 of collector plate (6) radius.
3. according to ice-bound coring drilling with keep up pressure drilling tool solid-liquid phase change low-temperature receiver according to claim 1, it is characterized in that: be provided with multiple layer metal disk (5) in the heat exchange container of interior storage solid-liquid phase change material, the distance between metal disk (5) is 0.5mm-5mm.
4. according to ice-bound coring drilling with keep up pressure drilling tool solid-liquid phase change low-temperature receiver according to claim 1, it is characterized in that: U-shaped metal tube (4) and metal disk (5) red copper, aluminium alloys or beryllium-bronze make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420812258.7U CN204457539U (en) | 2014-12-18 | 2014-12-18 | Ice-bound coring drilling with keep up pressure drilling tool solid-liquid phase change low-temperature receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420812258.7U CN204457539U (en) | 2014-12-18 | 2014-12-18 | Ice-bound coring drilling with keep up pressure drilling tool solid-liquid phase change low-temperature receiver |
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| Publication Number | Publication Date |
|---|---|
| CN204457539U true CN204457539U (en) | 2015-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420812258.7U Expired - Fee Related CN204457539U (en) | 2014-12-18 | 2014-12-18 | Ice-bound coring drilling with keep up pressure drilling tool solid-liquid phase change low-temperature receiver |
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| CN (1) | CN204457539U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104481440A (en) * | 2014-12-18 | 2015-04-01 | 吉林大学 | Solid and liquid phase change cold source of freezing and pressure-maintaining coring drilling tool |
| CN112324375A (en) * | 2021-01-04 | 2021-02-05 | 成都理工大学 | Pressurized coring system and method |
-
2014
- 2014-12-18 CN CN201420812258.7U patent/CN204457539U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104481440A (en) * | 2014-12-18 | 2015-04-01 | 吉林大学 | Solid and liquid phase change cold source of freezing and pressure-maintaining coring drilling tool |
| CN104481440B (en) * | 2014-12-18 | 2017-01-11 | 吉林大学 | Solid and liquid phase change cold source of freezing and pressure-maintaining coring drilling tool |
| CN112324375A (en) * | 2021-01-04 | 2021-02-05 | 成都理工大学 | Pressurized coring system and method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150708 Termination date: 20161218 |
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| CF01 | Termination of patent right due to non-payment of annual fee |