CN201078306Y - Down-hole slime pulp turbo generator - Google Patents
Down-hole slime pulp turbo generator Download PDFInfo
- Publication number
- CN201078306Y CN201078306Y CNU2007200857782U CN200720085778U CN201078306Y CN 201078306 Y CN201078306 Y CN 201078306Y CN U2007200857782 U CNU2007200857782 U CN U2007200857782U CN 200720085778 U CN200720085778 U CN 200720085778U CN 201078306 Y CN201078306 Y CN 201078306Y
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- turbine
- generator
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- guide wheel
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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Abstract
The utility model relates to an underground slurry turbine generator, which is used for providing power to an underground drilling apparatus. The utility model comprises a turbine, a turbine shaft, a sliding bearing, an external magnetic rotor of a magnetic coupler, a shield, an internal magnetic rotor of the magnetic coupler, a generator and a housing. A guide wheel for guiding the slurry is arranged at the superior part of the turbine. The internal magnetic rotor is positioned in the superior part of the external magnetic rotor of the magnetic coupler and is coaxially connected with the generator. The shield is mounted between the external magnetic rotor and the internal magnetic rotor. A high temperature lithium battery with a voltage of 35 to 36V and a capacity of 220 to 300Ah is arranged in an internal air chamber at the upper end of the housing. The utility model has the advantages that: the utility model, which is in completely contactless power transmission and fully gasket type seal, has safe and reliable seal, small hydraulic vibration, equal pressure, the turbine with good hydraulic performance and battery backup. Therefore, the utility model is a underground slurry turbine generator with stable and reliable operation, long service life, good manufacturability and low cost.
Description
Technical field
The utility model relates to a kind of down-hole slurry turbogenerator, is a kind of down-hole slurry Turboalternator, belongs to technical field of generators, is the supplementary equipment of subsurface boring equipment in the petroleum drilling engineering, is used to the down-hole to provide power supply with boring instrument.
Background technique
Along with geosteering technology, logging while drilling technology and the closed loop drilling technology widespread usage at oilfield development process, the energy supply of down-hole measurement and control instrument system requirements abundance is as assurance.1), adopt lithium battery power supply at present, the technological scheme of the power supply of drilling well industry wireless drilling measurer has:, but rely on lithium cell to have more shortcoming fully, its energy and temperature range are limited, and poor stability pollutes environment, the user cost height.2), adopt the power supply of down-hole slurry turbogenerator, the down-hole slurry turbogenerator that it is made up of turbine, rotor, stator, live axle, speed changer etc., the hard connection of its transmission adopted machinery, movable sealing structure, wash away down in the high speed of sand laden mud, the service condition of rotary seal structure is very limited; 3), on the basis of above-mentioned existing down-hole slurry generator technology, make a kind of mud turbine generator into, it be with machinery connect firmly, movable sealing structure changes into and adds shielding can in the middle of the inside and outside magnet rotor and connect, become static seal structure, patent publication No. is that CN1865693A, name are called: down-hole slurry generator is exactly this class formation, overcome mechanical hard connection, movable sealing structure shortcoming, but still become in following shortcoming:
1, the existence of gearbox makes the manufacturing process complexity, for example: enter gearbox for preventing mud, just there is technology difficulty in sealing, under the washing away of high speed mud, any motive sealing all can involve the problem of a durability, if can not realize real contactless transmission of power, just lost the meaning of using the magnetic force coupling with magnetic coupling.More original downhole generator are always partly used rotary dynamic seal at speed changer or other mechanical shaft couplings, even the motive sealing parts are steeped in oil, adopt the hydro-cushion technology, and the life-span at sealing position still can be subjected to very big influence; Under the washing away of high speed sand laden mud, the sealed member of motive sealing is in continuous operation after tens hours, or may will damage in the shorter time, and the use of whole generating machine is caused adverse effect.
In a word, existing patent publication No. is that C N1865693A, name are called: down-hole slurry generator, owing to be not completely free of motive sealing, increased rate of breakdown, influence life of equipment, reduced the reliability and stability of equipment, also increased the manufacturing and the operating cost of equipment simultaneously;
2, worm gear is because of cavitation erosion and because of the bad hydraulic vibration that causes of import fluidised form, and pressure is inhomogeneous, vibrates greatlyyer, and the cavitation erosion and the hydraulic performance of worm gear are relatively poor;
3, when any fault or termination of pumping take place in generator system, all will cause to have a power failure and the instrument communication state is changed, also can cause in service and the canned data loss of data.
Summary of the invention:
The purpose of this utility model is to overcome the shortcoming that prior art exists, and a kind of down-hole slurry turbogenerator is provided, and is used for the oil drilling industry, is the power supply of wireless drilling system.Described generator is complete contactless transmission of power, static seal completely, both eliminated because influence that mechanical eccentric caused, and realized again zero revealing, sealingly secure is reliable, hydraulic vibration is little, pressure is even, the gas of worm gear is turbid and hydraulic performance good, prolong the low down-hole slurry turbogenerator of working life, good manufacturability, cost of generator to the full extent; Also have a purpose to be: thus it is reliable to have a reserve battery working stability, promptly guarantees when any fault or slurry pump termination of pumping take place generator system, and the in service and canned data data of instrument can not lost.
The technical solution of the utility model is: a kind of down-hole slurry turbogenerator, comprise magnet rotor, generator and shell in turbine, turbine shaft, bearing, the outer magnet rotor of magnetic coupling, shielding can, the magnetic coupling, it is characterized in that: the lower end endoporus of shell is equipped with the bearing of supporting turbine shaft, and this bearing is a sliding bearing; A turbine is fixed in the lower end of turbine shaft, and the outer magnet rotor of a magnetic coupling is fixed in the upper end; The guide wheel of one guiding mud is arranged at the top of turbine; Interior magnet rotor is positioned among the outer magnet rotor top of magnetic coupling, and links to each other with generator coaxle; Between outer magnet rotor and the interior magnet rotor shielding can that seals is arranged; Be equipped with in the described shell upper air cavity inside and be used for that generator breaks down or standby high-temperature battery during termination of pumping; Described high-temperature battery is the high temperature lithium ion battery, and voltage is 36-56V, and capacity is 220-300Ah.
The further technological scheme that has additional technical feature on the technique scheme basis is:
Described down-hole slurry turbogenerator, its guide wheel is the blade type guide wheel, is socketed in the outside of shell lower end.
Described down-hole slurry turbogenerator, its guide wheel and shell lower end are fixedly sleeved.
Described down-hole slurry turbogenerator, its guide vane are the 3-6 sheet.
Described down-hole slurry turbogenerator, its guide vane are 5.
Described down-hole slurry turbogenerator, its high-temperature battery voltage is 48V, capacity is 240Ah.
Described down-hole slurry turbogenerator is equipped with rectification modulation device and electric controller in its shell upper air cavity inside; Described rectification modulation device comprises modulation circuit, and electric controller comprises control circuit.
The technique effect of down-hole slurry turbogenerator described in the utility model is:
1, transmission of power realizes non contact transmission, and whole generating machine moving element does not have motive sealing, and magnetic coupling has been realized the conversion of motive sealing to static seal, has greatly prolonged the working life of generator;
2, owing to use the mud guide wheel, thereby: 1), guarantee all even stability and the flow velocity and the flow direction of inlet fluid-mud, import and outlet all become axial force, reduce and impact, and can set upright instrument, and improve generator efficiency, under high rotating speed, reduce The Effect of Inertia Force; 2), utilize front guide impeller to eliminate or to alleviate turbine gas turbid and because of the bad hydraulic vibration that causes of import fluidised form, after loading onto guide wheel, the pressure of turbine inlet becomes evenly, and vibration reduces, the gas of turbine is turbid to have had comprehensive improvement with hydraulic performance, and generator work is also more reliable;
3, adopted standby high-temperature battery, promptly, guaranteed that the power supply supply is not interrupted when termination of pumping with continuous uninterruptable power source power supply.With boring instrument and geosteering instrument, must guarantee that when underground work power supply can not interrupt, otherwise, information such as the variation of instrument communication state and storage all can be lost, and in drilling process, therefore necessary termination of pumping when making a trip and down-hole accident occurs must give the inner outfit of generator small capacity down-hole high-temperature battery, behind turn on pump, control circuit is responsible for the power supply supply is switched on the generator;
4, further technique effect is: the rectification modulation device is a regulator rectifier circuit, is that the Ac with the variation of generator output converts galvanic current output to; Electric controller comprises control circuit, and controlling object comprises the communication interface of Communication Control and the generator mechanical part and the electronic circuit section of generator and ground system, and the switching of down-hole high-temperature battery and generator power supply.
Description of drawings
Fig. 1 is a kind of down-hole slurry turbogenerator internal structure sketch of the present utility model;
Fig. 2 is the section A-A cut-away enlarged view at guide wheel place among Fig. 1;
Fig. 3 is the Guiding wheel structure sketch.
The member name of corresponding figure number is called among the figure: 1-turbine, 2-turbine shaft, 3-guide wheel, 3 '-guide vane, 4-bearing, the outer magnet rotor of 5-magnetic coupling, magnet rotor in the 6-shielding can, 7-magnetic coupling, the 8-generator, the 9-shell, 10-rectification modulation device, 11-high-temperature battery, the 12-electric controller, 13-air cavity, 14-mud runner, 15-drill collar.
Embodiment
It is as follows that the utility model is described in further detail in conjunction with the accompanying drawings and embodiments:
As shown in Figure 1, 2, 3, be an embodiment of down-hole slurry turbogenerator: it has magnet rotor 7, generator 8 and shell 9 in a turbine 1, turbine shaft 2, bearing 4, the outer magnet rotor 5 of magnetic coupling, shielding can 6, the magnetic coupling; The lower end endoporus of described shell 9 is equipped with the bearing 4 of supporting turbine shaft 2, and this bearing 4 is a sliding bearing; A turbine 1 is fixed in the lower end of turbine shaft 2, and the outer magnet rotor 5 of a magnetic coupling is fixed in the upper end; The guide wheel 3 of one guiding mud is arranged at the top of turbine 1; Interior magnet rotor 7 is positioned among outer magnet rotor 5 tops of magnetic coupling, and with 8 coaxial linking to each other of generator; The shielding can 6 that seals is arranged between outer magnet rotor 5 and the interior magnet rotor 7; Be equipped with in described shell 9 upper air cavity inside 13 and be used for that generator breaks down or standby high-temperature battery 11 during termination of pumping; Described high-temperature battery is the high temperature lithium ion battery, and voltage is 36-56V, and capacity is 220-300A h; It is 48V that present embodiment is elected voltage as, and capacity is 240Ah; Voltage also can be 36V, can also elect 56V as, and is complementary with electrical equipment, and capacity is selected as required; Described guide wheel 3 is the blade type guide wheel, fixedly sleeved outside in shell 9 lower ends; Guide wheel 3 its blades are the 3-6 sheet, and present embodiment blade as shown in Figure 2 is 5, elect 3 blades as or 6 blades are additional embodiments; In shell 9 upper air cavity inside 13 rectification modulation device 10 and electric controller 12 are installed; Described rectification modulation device 10 comprises modulation circuit, and electric controller 12 comprises control circuit.
The working procedure of the utility model down-hole slurry turbogenerator is: generator 8 output ACs electricity is converted to direct current through rectification modulation device 10.During generator 8 work, mud via guide wheel 3 following currents after, wash away turbine 1 and drive turbine shaft 2 rotations, turbine shaft 2 drives outer magnet rotor 5 rotations of magnetic coupling, by the magnetic force coupling, will rotatablely move is delivered to magnet rotor 7 in the magnetic coupling, realizes non contact transmission power, magnet rotor 7 drives the rotation of generator 8 rotors in the magnetic coupling, thus the cutting magnetic line generating.Electric current outputs to the rectifying and pressure-regulating loop of rectification modulation device 10, and after treatment, the output burning voltage provides power supply for the downhole instrument system by electric controller 12; During termination of pumping or during the generator cisco unity malfunction, standby high-temperature battery 11 is powered to downhole instrument.
The utility model protection domain is not limited to the foregoing description.
Claims (7)
1. down-hole slurry turbogenerator, comprise turbine (1). magnet rotor (7), generator (8) and shell (9) in turbine shaft (2), bearing (4), the outer magnet rotor (5) of magnetic coupling, shielding can (6), the magnetic coupling, it is characterized in that: the lower end endoporus of shell (9) is equipped with the bearing (4) of supporting turbine shaft (2), and this bearing is a sliding bearing; A turbine (1) is fixed in the lower end of turbine shaft (2), and the outer magnet rotor (5) of a magnetic coupling is fixed in the upper end; The guide wheel (3) of one guiding mud is arranged at the top of turbine (1); Interior magnet rotor (7) is positioned among outer magnet rotor (5) top of magnetic coupling, and with coaxial linking to each other of generator (8); The shielding can (6) that seals is arranged between outer magnet rotor (5) and the interior magnet rotor (7); Be equipped with in described shell (9) upper air cavity inside (13) and be used for that generator breaks down or standby high-temperature battery (11) during termination of pumping; Described high-temperature battery (11) is the high temperature lithium ion battery, and voltage is 36-56V, and capacity is 220-300Ah.
2. down-hole slurry turbogenerator according to claim 1 is characterized in that: described guide wheel (3) is the blade type guide wheel, is socketed in the outside of shell (9) lower end.
3. down-hole slurry turbogenerator according to claim 1 and 2 is characterized in that: described guide wheel (3) is fixedly sleeved with shell (9) lower end.
4. down-hole slurry turbogenerator according to claim 1 is characterized in that: its blade of described guide wheel (3) is the 3-6 sheet.
5. down-hole slurry turbogenerator according to claim 4 is characterized in that: its blade of described guide wheel (3) is 5.
6. down-hole slurry turbogenerator according to claim 1 is characterized in that: described high-temperature battery (11) voltage is 48V, and capacity is 240Ah.
7. down-hole slurry turbogenerator according to claim 1 is characterized in that: rectification modulation device (10) and electric controller (12) are installed in described shell (9) upper air cavity inside (13); Described rectification modulation device (10) comprises modulation circuit, and electric controller (12) comprises control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200857782U CN201078306Y (en) | 2007-07-10 | 2007-07-10 | Down-hole slime pulp turbo generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200857782U CN201078306Y (en) | 2007-07-10 | 2007-07-10 | Down-hole slime pulp turbo generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201078306Y true CN201078306Y (en) | 2008-06-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200857782U Expired - Lifetime CN201078306Y (en) | 2007-07-10 | 2007-07-10 | Down-hole slime pulp turbo generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201078306Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103470433A (en) * | 2013-08-19 | 2013-12-25 | 广东普洛测控科技有限公司 | Underground mud power generation device |
| CN104675612A (en) * | 2014-09-12 | 2015-06-03 | 北京精密机电控制设备研究所 | Measurement while drilling mud generator with speed regulation function |
| CN105134459A (en) * | 2015-08-10 | 2015-12-09 | 宝鸡石油机械有限责任公司 | Mud turbine generator of automatic vertical drilling tool |
| CN108757287A (en) * | 2018-06-11 | 2018-11-06 | 中煤科工集团西安研究院有限公司 | A kind of underground coal mine turbine generator system and its industry control method |
| CN112483044A (en) * | 2020-12-15 | 2021-03-12 | 贵州航天凯山石油仪器有限公司 | Permanent underground ultrasonic scale removal and prevention device |
-
2007
- 2007-07-10 CN CNU2007200857782U patent/CN201078306Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103470433A (en) * | 2013-08-19 | 2013-12-25 | 广东普洛测控科技有限公司 | Underground mud power generation device |
| CN103470433B (en) * | 2013-08-19 | 2016-06-22 | 广东普洛测控科技有限公司 | A kind of underground mud power generation device |
| CN104675612A (en) * | 2014-09-12 | 2015-06-03 | 北京精密机电控制设备研究所 | Measurement while drilling mud generator with speed regulation function |
| CN105134459A (en) * | 2015-08-10 | 2015-12-09 | 宝鸡石油机械有限责任公司 | Mud turbine generator of automatic vertical drilling tool |
| CN108757287A (en) * | 2018-06-11 | 2018-11-06 | 中煤科工集团西安研究院有限公司 | A kind of underground coal mine turbine generator system and its industry control method |
| CN108757287B (en) * | 2018-06-11 | 2020-10-23 | 中煤科工集团西安研究院有限公司 | Coal mine underground turbine generator system and industrial control method thereof |
| CN112483044A (en) * | 2020-12-15 | 2021-03-12 | 贵州航天凯山石油仪器有限公司 | Permanent underground ultrasonic scale removal and prevention device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20070710 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |