CN202348346U - Stator and rotor combined piece for turbine - Google Patents
Stator and rotor combined piece for turbine Download PDFInfo
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- CN202348346U CN202348346U CN 201120489619 CN201120489619U CN202348346U CN 202348346 U CN202348346 U CN 202348346U CN 201120489619 CN201120489619 CN 201120489619 CN 201120489619 U CN201120489619 U CN 201120489619U CN 202348346 U CN202348346 U CN 202348346U
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Abstract
The utility model discloses a stator and rotor combined piece for a turbine, belongs to petroleum drilling industry, and aims to solve the problem that a turbine drilling tool has low turbine stage efficiency and short service life due to high viscosity of the conventional drilling fluid. A stator blade disc is arranged on each rotor blade disc; each stator blade disc and a rotor blade disc form a stage; the degree of reaction of the stage is less than 0.5; a plurality of stages are sleeved on a shaft in turn from top to bottom and are in pressing fit through an end face; a shell is sleeved on the upper part of the plurality of stages; molded lines of the rotor blades and the stator blades are constructed by spline curves; the spline curves of the rotor blades have a shape of right-falling stroke; and the spline curves of the stator blades have a shape of left-falling stroke. The stator and rotor combined piece is suitable for petroleum drilling.
Description
Technical field
The utility model belongs to the oil drilling industry, is specifically related to a kind of turbine stator and rotor stack.
Background technique
Turbodrill utilizes high speed and high pressure mud to impact blade, makes it obtain energy, thereby drives the broken rock of drill bit rotation that is attached thereto.Turbodrill mainly is made up of turbine stator, turbine rotor, main shaft, thrust bearing, middle part bearing, lower bearing and shell.Drilling rod does not rotate during probing, the drilling rod operating conditions can be improved significantly, do not have the consumption of rotary drill rod power demand yet.Compare with other drilling tool, turbodrill has high, the advantage such as short when boring of high drilling speed, drilling efficiency; Concentration of energy in the shaft bottom, is driven the broken rock of drill bit rotation; Drilling rod is motionless during drilling well, has reduced drilling rod, the wearing and tearing of sleeve pipe and the generation of accident.Therefore, adopt the turbodrill drilling well to be particularly suitable for the hardpan heavy duty service.
The thirties in 20th century, the former Soviet Union adopts turbodrill the earliest in oil drilling.To the fifties, turbine bores and has obtained development rapidly.Become basic drilling method in the former Soviet Union and Romania, American-European countries's turbine probing workload has accounted for the 5-10% of total amount.External in recent years turbodrill drilling technology development rapidly, when using the turbodrill drilling well generally can save brill abroad 50%, saving cost 1/3.China once carried out the research that turbine bores in the fifties, never applied.
But because turbodrill is the dynamic power machine that is driven the turbine blade acting by drilling fluid; Solid phase particles is obvious to the erosion effect of turbine blade in the drilling fluid; The excessive wear meeting of blade causes the inefficacy of turbodrill, so the life-span of general turbodrill has only 200-300 hour.Because existing drilling fluid viscosity is bigger, cause working life of turbine stage efficient and turbodrill of turbodrill low.
The model utility content
The purpose of the utility model is in order to solve owing to existing drilling fluid viscosity is bigger, to cause the turbine stage efficient of turbodrill and the low problem in working life of turbodrill, and then a kind of turbine stator and rotor stack are provided.
The technological scheme of the utility model is: turbine stator and rotor stack comprise axle and housing; Turbine stator and rotor stack also comprise a plurality of stator vane dishes and a plurality of rotor blade dish; Each rotor blade dish is provided with a stator vane dish; Each stator vane dish and a rotor blade dish are formed a level; The degree of reaction of level is less than 0.5, and a plurality of levels from top to bottom are sleeved on the axle successively, passes through the end face compression fit between a plurality of levels; Housing is sleeved on the outside on a plurality of levels; Said stator vane dish comprises disk, stator outer disc cylindraceous and a plurality of stator vane in the stator cylindraceous, and stator outer disc cylindraceous is sleeved on the interior disk of stator cylindraceous, and a plurality of stator vane annulars are uniformly distributed with on the interior disk of the stator cylindraceous that is arranged between interior disk of stator cylindraceous and the stator outer disc cylindraceous; Said rotor blade dish comprises disk, rotor outer disc cylindraceous and a plurality of rotor blade in the rotor cylindraceous; Rotor outer disc cylindraceous is sleeved on the interior disk of rotor cylindraceous, and a plurality of rotor blade annulars are uniformly distributed with on the interior disk of the rotor cylindraceous that is arranged between interior disk of rotor cylindraceous and the rotor outer disc cylindraceous, and the molded lines of said rotor blade and stator vane all adopts SPL to construct; The SPL of rotor blade is shaped as the right-falling stroke font, and the SPL of stator vane is shaped as the left-falling stroke font.
The utility model compared with prior art has following effect: 1. the utility model is through the change to rotor blade and stator vane shape, and in the working life that has effectively strengthened turbodrill, reached 400 hours its working life.2. the change of the shape of rotor blade of the utility model and stator vane is convenient to improve the efficient of turbodrill, and makes turbodrill have tangible low speed dropping voltage characteristic, and during the offspeed design speed, the level pressure drop reduces.3. the utility model also has and is convenient to remote monitoring and the stronger advantage of operability.
Description of drawings
Fig. 1 is the overall structure schematic representation of the utility model; Fig. 2 is the plan view of the rotor blade dish of the utility model; Fig. 3 is the plan view of stator vane dish; Fig. 4 is rotor blade dish of the utility model and the schematic representation that the stator vane dish cooperates; Fig. 5 is the shape schematic representation of the rotor blade of the utility model; Fig. 6 is the shape schematic representation of the stator vane of the utility model; Fig. 7 is the plan view of rotor blade dish; Fig. 8 is the plan view of stator vane dish.
Embodiment
Embodiment one: combine Fig. 1-Fig. 8 that this mode of execution is described; Turbine stator of this mode of execution and rotor stack comprise axle 1 and housing 2; Turbine stator and rotor stack also comprise a plurality of stator vane dishes 3 and a plurality of rotor blade dishes 4; Each rotor blade dish 4 is provided with a stator vane dish 3; Each stator vane dish 3 and a rotor blade dish 4 are formed a level 5; The degree of reaction of level 5 is less than 0.5, and a plurality of levels 5 from top to bottom are sleeved on the axle 1 successively, passes through the end face compression fit between a plurality of levels 5; Housing 2 is sleeved on the outside on a plurality of levels 5; Said stator vane dish 3 comprises disk 3-1, stator outer disc 3-2 cylindraceous and a plurality of stator vane 3-3 in the stator cylindraceous, and stator outer disc 3-2 cylindraceous is sleeved on the interior disk 3-1 of stator cylindraceous, and a plurality of stator vane 3-3 annulars are uniformly distributed with on the interior disk 3-1 of the stator cylindraceous that is arranged between interior disk 3-1 of stator cylindraceous and the stator outer disc 3-2 cylindraceous; Said rotor blade dish 4 comprises disk 4-1, rotor outer disc 4-2 cylindraceous and a plurality of rotor blade 4-3 in the rotor cylindraceous; Rotor outer disc 4-2 cylindraceous is sleeved on the interior disk 4-1 of rotor cylindraceous, and a plurality of rotor blade 4-3 annulars are uniformly distributed with on the interior disk 4-1 of the rotor cylindraceous that is arranged between interior disk 4-1 of rotor cylindraceous and the rotor outer disc 4-2 cylindraceous, and the molded lines of said rotor blade 4-3 and stator vane 3-3 all adopts SPL to construct; The SPL of rotor blade 4-3 is shaped as the right-falling stroke font, and the SPL of stator vane 3-3 is shaped as the left-falling stroke font.
The parameter of weighing drilling fluid step-down acceleration degree in moving vane is called degree of reaction.
The stator vane of this mode of execution and rotor blade be unsymmetric form each other mutually, and drilling liquid flow step-down behind stator is quickened, and gets into rotor; Promote rotor rotation acting; A stator and a rotor are formed one-level, and the degree of reaction of level is less than 0.5, and a plurality of identical levels from top to bottom set gradually; Housing 2 is sleeved on a plurality of identical levels, constitutes the power resources of turbodrill.
Embodiment two: combine Fig. 1-Fig. 8 that this mode of execution is described, the level pressure drop of this mode of execution is 80-90kPa, and volume flow is 28-32L/s, and when rotor speed was 700-1300rpm, stage efficiency was 60-70%, and power is 1.2-1.6kW.So be provided with, according to the low speed dropping voltage characteristic of level, during the off-design rotating speed, a level pressure drop reduces, and can the base area surface pressure judges the working state of turbodrill, makes things convenient for drilling tool staff remote monitoring and operation.Other composition is identical with embodiment one with annexation.
Embodiment three: combine Fig. 1-Fig. 8 that this mode of execution is described, the level pressure drop of this mode of execution is 85kPa, and volume flow is 30L/s, and when rotor speed was 1000rpm, stage efficiency can reach 66%, and power is 1.5kW.So be provided with, according to the low speed dropping voltage characteristic of level, during the off-design rotating speed, a level pressure drop reduces, and can the base area surface pressure judges the working state of turbodrill, makes things convenient for drilling tool staff remote monitoring and operation.Other composition is identical with embodiment one or two with annexation.
The turbodrill working principle is following:
From the drilling fluid of the high pressure drilling pump on ground, through the turbodrill drilling rod, get into the stator and the rotor of turbodrill, step-down is quickened in stator, flows into rotor, promotes rotor rotation acting.
Claims (3)
1. turbine stator and rotor stack; It comprises axle (1) and housing (2); It is characterized in that: a kind of turbine stator and rotor stack also comprise a plurality of stator vane dishes (3) and a plurality of rotor blade dish (4); Each rotor blade dish (4) is provided with a stator vane dish (3); An each stator vane dish (3) and a rotor blade dish (4) are formed a level (5); The degree of reaction of level (5) is less than 0.5, and a plurality of levels (5) from top to bottom are sleeved on the axle (1) successively, passes through the end face compression fit between a plurality of levels (5); Housing (2) is sleeved on the outside on a plurality of levels (5); Said stator vane dish (3) comprises disk (3-1), stator outer disc cylindraceous (3-2) and a plurality of stator vane (3-3) in the stator cylindraceous, and stator outer disc cylindraceous (3-2) is sleeved on the interior disk (3-1) of stator cylindraceous, and a plurality of stator vanes (3-3) annular is uniformly distributed with on the interior disk (3-1) of stator cylindraceous that is arranged between interior disk (3-1) of stator cylindraceous and the stator outer disc cylindraceous (3-2); Said rotor blade dish (4) comprises disk (4-1), rotor outer disc cylindraceous (4-2) and a plurality of rotor blade (4-3) in the rotor cylindraceous; Rotor outer disc cylindraceous (4-2) is sleeved on the interior disk (4-1) of rotor cylindraceous, and a plurality of rotor blades (4-3) annular is uniformly distributed with on the interior disk (4-1) of rotor cylindraceous that is arranged between interior disk (4-1) of rotor cylindraceous and the rotor outer disc cylindraceous (4-2), and the molded lines of said rotor blade (4-3) and stator vane (3-3) all adopts SPL to construct; The SPL of rotor blade (4-3) is shaped as the right-falling stroke font, and the SPL of stator vane (3-3) is shaped as the left-falling stroke font.
2. turbine stator according to claim 1 and rotor stack is characterized in that: the level pressure drop is 80-90kPa, and volume flow is 28-32L/s, and when rotor speed was 700-1300rpm, stage efficiency was 60-70%, and power is 1.2-1.6kW.
3. turbine stator according to claim 1 and 2 and rotor stack is characterized in that: the level pressure drop is 85kPa, and volume flow is 30L/s, and when rotor speed was 1000rpm, stage efficiency can reach 66%, and power is 1.5kW.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120489619 CN202348346U (en) | 2011-11-30 | 2011-11-30 | Stator and rotor combined piece for turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120489619 CN202348346U (en) | 2011-11-30 | 2011-11-30 | Stator and rotor combined piece for turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202348346U true CN202348346U (en) | 2012-07-25 |
Family
ID=46537355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120489619 Expired - Fee Related CN202348346U (en) | 2011-11-30 | 2011-11-30 | Stator and rotor combined piece for turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202348346U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102454423A (en) * | 2011-11-30 | 2012-05-16 | 中国船舶重工集团公司第七�三研究所 | Turbine stator and rotor assembly |
| CN113530973A (en) * | 2021-06-28 | 2021-10-22 | 中国地质大学（北京） | High-temperature-resistant thrust bearing and axial dynamic sealing and lubricating structure |
-
2011
- 2011-11-30 CN CN 201120489619 patent/CN202348346U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102454423A (en) * | 2011-11-30 | 2012-05-16 | 中国船舶重工集团公司第七�三研究所 | Turbine stator and rotor assembly |
| CN113530973A (en) * | 2021-06-28 | 2021-10-22 | 中国地质大学（北京） | High-temperature-resistant thrust bearing and axial dynamic sealing and lubricating structure |
| CN113530973B (en) * | 2021-06-28 | 2022-01-04 | 中国地质大学（北京） | High-temperature-resistant thrust bearing and axial dynamic sealing and lubricating structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120725 Termination date: 20121130 |