CN205638568U - Steam turbine with high heat utilization rate and high mechanical efficiency and durable - Google Patents
Steam turbine with high heat utilization rate and high mechanical efficiency and durable Download PDFInfo
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- CN205638568U CN205638568U CN201620445040.1U CN201620445040U CN205638568U CN 205638568 U CN205638568 U CN 205638568U CN 201620445040 U CN201620445040 U CN 201620445040U CN 205638568 U CN205638568 U CN 205638568U
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Abstract
The utility model discloses a steam turbine with high heat utilization rate and high mechanical efficiency and durable, whole is cylindrically, include: cylinder portion, cooling portion and lubrication portion, wherein, cylinder portion includes from inside to outside in proper order: pivot, hollow impeller and cylinder body, hollow impeller comprises wheel body and wheel plate, the wheel plate equipartition on the circumference of wheel body outer wall and the wheel body axis between form and to be greater than 0 and be less than 90 contained angle, following the axis direction on the cylinder body inner wall and being formed with the diversion bars, formation is greater than 0 and just is lighter than 90 contained angle between the air flue of diversion bars and the circular bottom surface of cylinder body, and the air flue the when cylinder body is closed on the diversion bars is just perpendicular with the wheel plate position one -to -one on the hollow impeller. The utility model has the beneficial effects of: (1 ) hollow impeller has greatly alleviateed the weight of self, and the bearing is more durable, (2 )The diversion bars have changed airflow direction artificially, can reduce the heat utilization rate, increase mechanical energy and the mechanical efficiency that maintain the required heat energy of acting, improve steam turbine.
Description
Technical field
This utility model relates to a kind of steam turbine, is specifically related to a kind of have high heat utilization rate and high mechanical efficiency and durable steam turbine, belongs to mechanical field.
Background technology
Existing steam turbine, its impeller is provided with substantial amounts of leaf fan blades, and cylinder volume rotates a circle the space streaked equal to leaf fan blades in cylinder.Leaf fan blades is the highest, then cylinder volume is the biggest, and impeller moment of torsion is the biggest, accordingly, maintains the heat energy required for doing work the most.
Owing to being limited by structure and technique, existing steam turbine is primarily present the problem in terms of three below:
One, mechanical efficiency is low
Existing steam turbine, in its cylinder, the direction of motion of thermal current is parallel with impeller axis, thermal current can not vertical impact leaf fan blades plate face, the impact direction of air-flow but vertical with the direction of rotation of leaf fan blades, belong to windmill principle.Utilize this kind of structure of windmill principle, cause steam turbine energy loss big, therefore mechanical efficiency is low.
The Another reason causing steam turbine mechanical efficiency low is: when leaf fan blades is impacted by the thermal current parallel with impeller axis, the heat energy that the fan peak of leaf fan blades and fan root are consumed in unit are is equal, and the mechanical energy of they generations is different, fan peak force brachium, moment of torsion is big, and its mechanical energy produced is many；The fan root arm of force is little, and moment of torsion is little, and its mechanical energy produced is few.
Two, heat utilization rate is low
Existing steam turbine, in its cylinder, the direction of motion of thermal current is parallel with impeller axis, and thermal current forms direct projection air-flow in cylinder, because the shortest path that direct projection air-flow runs in cylinder, thermal current amount of repetitive cycling acting in cylinder is little, so effective utilization rate of thermal energy is relatively low.
Three, the easy senile abrasion of bearing
Existing steam turbine, its impeller and rotating shaft use unitary solid forging casting, because the volume of impeller is by own wt and forging casting limitation of the technology, so the radius of impeller and moment of torsion are also restrained.Having the impeller of small radii, its moment of torsion is the least, and mechanical efficiency is relatively low.To improve mechanical efficiency, then needing to increase the moment of torsion of impeller, accordingly, it is necessary to increase the height of leaf fan blades on impeller, consequently, it is possible to impeller own wt increases, bearing load increases, and aging, abrasion easily occurs in bearing.
Utility model content
For solving the deficiencies in the prior art, the purpose of this utility model is that providing a kind of has high heat utilization rate and high mechanical efficiency and durable steam turbine.
In order to realize above-mentioned target, this utility model adopts the following technical scheme that:
A kind of have high heat utilization rate and high mechanical efficiency and durable steam turbine, overall in cylinder, including: cylinder part (1), cooling portion (2) and lubrication portion (3), aforementioned cooling portion (2) is positioned at the two ends of cylinder part (1), lubrication portion (3) is embedded in the bottom surface circle centre position of two cooling portions (2), it is characterized in that
Aforementioned cylinder part (1) includes the most successively: rotating shaft (11), hollow impeller (12) and cylinder body (13),
Aforementioned rotation axis (11) is provided with some cylindrical end tangs (111) in the axial direction；
Aforementioned hollow impeller (12) is made up of wheel body (121) and some wheel plates (122), aforementioned wheel body (121) is formed by connecting by some joint cylinders (1211), each joint cylinder (1211) is both provided with axle sleeve (1212) in inside, and axle sleeve (1212) and cylinder (1211) are concentric circular；Aforementioned wheel plate (122) is evenly distributed on the circumference of wheel body (121) outer wall, and form the angle more than 0 ° and less than 90 ° between the axis of wheel plate (122) and wheel body (121), between two adjacent rings wheel plate (122), form ring-shaped chamber (1221)；Axle sleeve (1212) in wheel body (121) is fitted snugly in the cylindrical end tangs (111) in rotating shaft (11), thus rotating shaft (11) is fixed together with hollow impeller (12)；
nullAforementioned cylinder body (13) is cylindrical shape cylinder，Centre is working bin，Two ends are respectively air inlet storehouse and aerofluxus storehouse，Air inlet (132) on air inlet storehouse and the air vent (133) on aerofluxus storehouse are respectively positioned on the circular arc sidewall of cylinder，Whole cylinder body (13) is divided into two along axis of symmetry，Form upper half cylinder body and lower half cylinder body，In working bin section，Some semi-circular shape break-in grid (131) it are each formed with in the axial direction on the inwall of upper half cylinder body and lower half cylinder body，Aforementioned change grid (131) have some air flues being parallel to each other，The angle more than 0 ° and less than 90 ° is formed between aforementioned air flue and the rounded bottom surface of cylinder body，When upper half cylinder body and lower half cylinder body are involutory，Two semi-circular shape break-in grid on upper half cylinder body and the same circumference of lower half cylinder body form a complete annulus，Annular steam chest (1311) is formed between the break-in grid (131) of adjacent two on cylinder body axis direction；In air inlet storehouse section and aerofluxus storehouse section, the circular side wall in the circular side wall in air inlet storehouse and aerofluxus storehouse is respectively formed on the axis hole passed for rotating shaft (11), the inner surface of axis hole is formed with some annular grooves (134), the outer surface of rotating shaft (11) is formed with some annular protrusions (112) in corresponding position, annular protrusion (112) is stuck in annular groove (134), a heat keeper (135) it is each provided with inside and outside the circular side wall in aforementioned air inlet storehouse, the outside of two heat keepers (135) is each provided with a thermal insulation cover (136), also a heat keeper (135) it is each provided with inside and outside the circular side wall in aforementioned aerofluxus storehouse, the outside of two heat keepers (135) is also each provided with a thermal insulation cover (136)；
nullWhen hollow impeller (12) is fastened within it by cylinder body，Annular break-in grid (131) on inboard wall of cylinder block are between the upper two adjacent rings wheel plate (122) of hollow impeller (12) in the ring-shaped chamber (1221) formed，Wheel plate (122) on hollow impeller (12) is between break-in grid (131) adjacent on cylinder body in the annular steam chest (1311) formed，And the air flue of (131) and wheel plate (122) the position one_to_one corresponding on hollow impeller (12) and vertical on break-in grid，High steam in air inlet storehouse enters first break-in grid (131)，The high steam flowed out from the air flue of first break-in grid (131) is vertically beaten the wheel plate plate face in first steam chest (1311)，Each air flue on break-in grid (131) and constitute an acting individuality with its one_to_one corresponding and vertically disposed wheel plate (122)，High steam after acting enters back into second break-in grid (131)，The high steam flowed out from the air flue of second break-in grid (131) is the most vertically beaten the wheel plate plate face in second steam chest (1311)，The like，Continue uninterrupted acting，Until the wheel plate (122) in last steam chest (1311) is finished merit by high steam，Finally discharge from aerofluxus storehouse.
Aforesaid steam turbine, it is characterized in that, aforementioned cylinder part (1) also includes: jam plate, aforementioned jam plate is annular, the axle sleeve (1212) internal with the cylindrical end tangs (111) in rotating shaft (11) and cylinder (1211) is fixing to be connected, and makes cylindrical end tangs (111) be locked in the axle sleeve (1212) of correspondence.
Aforesaid steam turbine, it is characterised in that the external diameter of the cylindrical end tangs (111) on cylinder part (1), aforementioned rotation axis (11) reduces one by one or increases one by one.
Aforesaid steam turbine; it is characterized in that; in cylinder part (1); being formed with some crossbeams and longeron on the outer wall of aforementioned cylinder body, aforementioned crossbeam is parallel with the axis of cylinder body, and aforementioned longeron is parallel with the circumference of cylinder body; crossbeam is mutually perpendicular to longeron; the outer wall of cylinder body is formed some concave surface fins, in concave surface, is provided with insulation sheet, outside insulation sheet, be provided with protective cover.
Aforesaid steam turbine, it is characterized in that, in cylinder part (1), the correction mouth cooperated and adjustable stem it is provided with on the interface of aforementioned upper half cylinder body and lower half cylinder body, when upper half cylinder body and lower half cylinder body are involutory, adjustable stem slips into along correction mouth so that together with upper half cylinder body is accurately docked to lower half cylinder body.
Aforesaid steam turbine, it is characterised in that aforementioned cooling portion (2) including: cooling storehouse (21), rotating shaft protective cover and water atomizing nozzle,
Aforementioned cooling storehouse (21) is cylindrical, and the sidewall of its circular arc is provided with water inlet (211) and discharge outlet 212, and rotating shaft protective cover and water atomizing nozzle are arranged in aforementioned cooling storehouse (21)；
Aforementioned rotation axis protective cover is arranged on the rounded bottom surface of cooling storehouse (21), water atomizing nozzle is arranged on rotating shaft protective cover, water atomizing nozzle connects with the water inlet (211) on cooling storehouse, atomized water is sprayed directly in rotating shaft (11), and countershaft (11) is lowered the temperature.
Aforesaid steam turbine, it is characterised in that aforementioned lubrication portion (3) including: bearing (31), bearing holder (housing, cover) (32) and seal oil assembly (33),
The inner ring of aforementioned bearings (31) is enclosed within rotating shaft (11), aforementioned axis bearing sleeve (32) is enclosed within the outer ring of bearing (31) and entirety be embedded in cooling storehouse (21) rounded bottom surface circle centre position, on the outer wall of rotating shaft (11), the inwall with bearing holder (housing, cover) (32) has been respectively formed on card rank (113, 321), bearing (31) is axially locked at two card rank (113, 321) in, the quantity of aforementioned bearings (31) is two, oil input channel (311) and oil expulsion channel (312) is left between two bearings (31), oil input channel (311), oil expulsion channel (312) both passes through bearing holder (housing, cover) (32) and cooling storehouse (21) sidewall is in communication with the outside；
The outside being arranged on two bearings (31) that aforementioned seal oil assembly (33) is symmetrical, comprising: cartridge (331), pressing plate (332), baffle plate (333) and regulation bolt (334), wherein, aforementioned seal packing element (331), pressing plate (332) and baffle plate (333) are all enclosed within rotating shaft (11), cartridge (331) is close to bearing (31) and is arranged, pressing plate (332) is close to cartridge (331) and is arranged, baffle plate (333) is fixed on the two ends of bearing holder (housing, cover) (32), regulation bolt (334) passes perpendicularly through baffle plate (333) and pressing plate (332) and cartridge (331) is compressed.
Aforesaid steam turbine, it is characterized in that, aforementioned lubrication portion (3) also includes: lubricating oil radiator, aforementioned lubricating oil radiator is arranged on the outside of bearing holder (housing, cover) (32), connects with the oil input channel (311) between two bearings (31) and oil expulsion channel (312).
Of the present utility model have the beneficial effect that
(1) impeller uses hollow-core construction, on the one hand, dramatically reduces the weight of impeller self, thus alleviates the load of bearing so that bearing is difficult to senile abrasion；On the other hand, making the deadweight of impeller not cast by volume and forging and process technology is restricted, the volume of impeller and diameter can be bigger, thus moment of torsion can be bigger, and the mechanical energy of generation is bigger, fundamentally improves the mechanical efficiency of steam turbine；
(2) some break-in grid it are formed with on the inwall of cylinder body, the angle more than 0 ° and less than 90 ° is formed between air flue and the rounded bottom surface of cylinder body of break-in grid, manually change airflow direction, steam is spinned motion in working bin, spin motion effect: first, cylinder volume can be less, such that it is able to reduce the heat energy maintained required for acting；Second, the path that high steam runs in cylinder part is longer, makes thermal current obtain repetitive cycling and utilizes, thus can improve the heat utilization rate of steam turbine；
(3) air flue on break-in grid and the wheel Board position one_to_one corresponding on hollow impeller and vertical, airflow direction is vertical with wheel plate so that the lifting surface area of wheel plate maximizes, and wheel plate lifting surface area is big, and its mechanical energy produced is the biggest；
(4) power of steam turbine is equal to the summation of wheel plate acting in each steam chest in the unit interval, and because steam engine of the present utility model acting individuality is many, therefore amount of work is big, and mechanical efficiency is high.
Accompanying drawing explanation
Fig. 1 is the axial section of steam turbine of the present utility model；
Fig. 2 is the structural representation of the cylinder part in Fig. 1；
Fig. 3 is the structural representation of the hollow impeller in Fig. 2；
Fig. 4 is the structural representation of the cylinder body in Fig. 2；
Fig. 5 is the hollow impeller in Fig. 2 and the axial section after rotating shaft connection.
The implication of reference in figure:
1-cylinder part；
11-rotating shaft, 12-hollow impeller, 13-cylinder body；
111-cylindrical end tangs, 112-projection, 113-card rank, 121-wheel body, 122-wheel plate, 131-break-in grid, 132-air inlet, 133-air vent, 134-groove, 135-heat keeper, 136-thermal insulation cover；
1211-cylinder, 1212-axle sleeve, 1221-cavity volume, 1311-steam chest；
2-cooling portion；
21-lowers the temperature storehouse；
211-water inlet, 212-discharge outlet；
3-lubrication portion,
31-bearing, 32-bearing holder (housing, cover), 33-seal oil assembly；
311-oil input channel, 312-oil expulsion channel, 321-card rank, 331-cartridge, 332-pressing plate, 333-baffle plate, 334-regulate bolt.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, this utility model made concrete introduction.
With reference to Fig. 1, of the present utility model have high heat utilization rate and high mechanical efficiency and durable steam turbine, and its entirety is cylinder, including: cylinder part 1, cooling portion 2 and lubrication portion 3, wherein, cooling portion 2 is positioned at the two ends of cylinder part 1, and lubrication portion 3 is embedded in the bottom surface circle centre position in two cooling portions 2.
Cylinder part 1, cooling portion 2 and the structure in lubrication portion 3 are discussed in detail separately below.
One, cylinder part
Seeing figures.1.and.2, cylinder part 1 includes the most successively: rotating shaft 11, hollow impeller 12 and cylinder body 13.
1, rotating shaft
With reference to Fig. 1 and Fig. 5, rotating shaft 11, in cylinder, is provided with some cylindrical end tangs 111 in the axial direction, and cylindrical end tangs 111 1 aspect is for realizing the compact siro spinning technology of rotating shaft 11 and hollow impeller 12, on the other hand for replacing the solid section of impeller, the weight of whole cylinder part 1 is alleviated.
As the preferred scheme of one, the external diameter of the cylindrical end tangs 111 in rotating shaft 11 reduces one by one or increases one by one.
As the preferred scheme of one, cylinder part 1 also includes: jam plate (not shown).Jam plate is annular, fixing with the cylindrical end tangs 111 in rotating shaft 11 and the axle sleeve within cylinder 1,211 1212 is connected, make cylindrical end tangs 111 be locked in corresponding axle sleeve 1212, and jam plate is to dual fail-safe in rotating shaft 11 and hollow impeller 12.
2, hollow impeller
Hollow impeller 12 is made up of wheel body 121 and some wheel plates 122.
With reference to Fig. 1 and Fig. 5, wheel body 121 is formed by connecting by some joint cylinders 1211, and each joint cylinder 1211 is both provided with axle sleeve 1212 in inside, and axle sleeve 1212 and cylinder 1211 are concentric circular.Axle sleeve 1212 in wheel body 121 is fitted snugly in the cylindrical end tangs 111 in rotating shaft 11, thus rotating shaft 11 is fixed together with hollow impeller 12.
With reference to Fig. 1, Fig. 2 and Fig. 3, wheel plate 122 is evenly distributed on the circumference of wheel body 121 outer wall, and forms the angle more than 0 ° and less than 90 ° between the axis of wheel plate 122 and wheel body 121, forms ring-shaped chamber 1221 between two adjacent rings wheel plate 122.
Impeller uses hollow-core construction, on the one hand, dramatically reduces the weight of impeller self, thus alleviates the load of bearing so that bearing is difficult to senile abrasion；On the other hand, making the deadweight of impeller not cast by volume and forging and process technology is restricted, the volume of impeller and diameter can be bigger, thus moment of torsion can be bigger, and the mechanical energy of generation is bigger, fundamentally improves the mechanical efficiency of steam turbine.
3, cylinder body
With reference to Fig. 1, Fig. 2 and Fig. 4, cylinder body 13 is cylindrical shape cylinder, centre is working bin, two ends are respectively air inlet storehouse and aerofluxus storehouse, air inlet 132 on air inlet storehouse and the air vent 133 on aerofluxus storehouse are respectively positioned on the circular arc sidewall of cylinder, whole cylinder body 13 is divided into two along axis of symmetry, forms upper half cylinder body and lower half cylinder body, is so conducive to the installation and removal of hollow impeller.
In working bin section, some semi-circular shape break-in grid 131 it are each formed with in the axial direction on the inwall of upper half cylinder body and lower half cylinder body, break-in grid 131 have some air flues being parallel to each other, the angle more than 0 ° and less than 90 ° is formed between this air flue and rounded bottom surface of cylinder body, when upper half cylinder body and lower half cylinder body are involutory, two semi-circular shape break-in grid on upper half cylinder body and the same circumference of lower half cylinder body form a complete annulus, form annular steam chest 1311 between the break-in grid 131 of adjacent two on cylinder body axis direction.
In air inlet storehouse section and aerofluxus storehouse section, the circular side wall in the circular side wall in air inlet storehouse and aerofluxus storehouse is respectively formed on the axis hole passed for rotating shaft 11, the inner surface of axis hole is formed with some annular grooves 134, the outer surface of rotating shaft 11 is formed with some annular protrusions 112 in corresponding position, and annular protrusion 112 is stuck in annular groove 134.After annular protrusion 112 and annular groove 134 clamping, first, to make axis hole be multiple waveforms with the contact surface of rotating shaft, high thermal high steam can be reduced and leak, reduce heat energy loss, improve the thermal efficiency of steam turbine；The second, a locking device is formed so that hollow impeller and cylinder body position in the axial direction is more stable.
Being each provided with a heat keeper 135 inside and outside the circular side wall in air inlet storehouse, the outside of two heat keepers 135 is each provided with a thermal insulation cover 136.
Also being each provided with a heat keeper 135 inside and outside the circular side wall in aerofluxus storehouse, the outside of two heat keepers 135 is also each provided with a thermal insulation cover 136.
The setting of double-layer heat insulation pad, can intercept the heat energy heat transfer to cooling storehouse in air inlet storehouse and aerofluxus storehouse, thus can reduce heat energy loss, the most also can reduce the heat energy infringement to bearing lubrication system.
nullWhen hollow impeller 12 is fastened within it by cylinder body，Annular break-in grid 131 on inboard wall of cylinder block are on hollow impeller 12 in the ring-shaped chamber 1221 formed between two adjacent rings wheel plate 122，Wheel plate 122 on hollow impeller 12 is between break-in grid 131 adjacent on cylinder body in the annular steam chest 1311 formed，And the air flue on break-in grid 131 and the wheel plate 122 position one_to_one corresponding on hollow impeller 12 and vertical，High steam in air inlet storehouse enters first break-in grid 131，The high steam flowed out from the air flue of first break-in grid 131 is vertically beaten the wheel plate plate face in first steam chest 1311，Airflow direction is vertical with wheel plate，The lifting surface area making wheel plate maximizes，Wheel plate lifting surface area is big，Its mechanical energy produced is the biggest，Each air flue on break-in grid 131 and constitute an acting individuality with its one_to_one corresponding and vertically disposed wheel plate 122，High steam after acting enters back into second break-in grid 131，The high steam flowed out from the air flue of second break-in grid 131 is the most vertically beaten the wheel plate plate face in second steam chest 1311，The like，Continue uninterrupted acting，Until the wheel plate 122 in last steam chest 1311 is finished merit by high steam，Finally discharge from aerofluxus storehouse.The power of steam turbine is equal to the summation of wheel plate acting in each steam chest in the unit interval, and because steam engine of the present utility model acting individuality is many, therefore amount of work is big, and mechanical efficiency is high.
Steam turbine of the present utility model, some break-in grid 131 it are formed with on the inwall of its cylinder body 13, the angle more than 0 ° and less than 90 ° is formed between air flue and the rounded bottom surface of cylinder body 13 of break-in grid 131, we have manually changed airflow direction, steam is spinned motion in working bin, spin motion effect: first, cylinder volume can be less, such that it is able to reduce maintain acting required for heat energy；Second, the path that high steam runs in cylinder part is longer, makes thermal current obtain repetitive cycling and utilizes, thus can improve the heat utilization rate of steam turbine.
As the preferred scheme of one; some crossbeams (not shown) and longeron (not shown) it is formed with on the outer wall of cylinder body 13; crossbeam is parallel with the axis of cylinder body 13; longeron is parallel with the circumference of cylinder body 13; crossbeam is mutually perpendicular to longeron; the outer wall of cylinder body 13 is formed some concave surface fins, in concave surface, is provided with insulation sheet (not shown), outside insulation sheet, be provided with protective cover (not shown).
The a plurality of crossbeam arranged on the outer wall of cylinder body 13 and longeron so that cylinder body 13 is firmer, not only avoid cylinder body 13 and deforms, but also decreases the consumption of steel.
The loss of heat energy in the insulation sheet of setting can reduce cylinder body 13 in concave surface, the generation of condensed water in minimizing cylinder body 13, thus the thermal efficiency of steam turbine can be improved.
More preferably, the correction mouth (not shown) and adjustable stem (not shown) cooperated it is provided with on the interface of upper half cylinder body and lower half cylinder body, when upper half cylinder body and lower half cylinder body are involutory, adjustable stem slips into along correction mouth, make together with upper half cylinder body is accurately docked to lower half cylinder body, now, the wheel plate 122 on hollow impeller 12 is just in each self-corresponding steam chest 1311.
Two, cooling portion
With reference to Fig. 1, cooling portion 2 includes: cooling storehouse 21, rotating shaft protective cover (not shown) and water atomizing nozzle (not shown).
Cooling storehouse 21 is cylindrical, water inlet 211 and discharge outlet 212 it is provided with on the sidewall of its circular arc, rotating shaft protective cover and water atomizing nozzle are arranged at lowering the temperature in storehouse 21, wherein, rotating shaft protective cover is arranged on the rounded bottom surface in cooling storehouse 21, and water atomizing nozzle is arranged on rotating shaft protective cover, water atomizing nozzle connects with the water inlet 211 on cooling storehouse, atomized water is sprayed directly in rotating shaft 11, and countershaft 11 is lowered the temperature, and can improve bearing 31 and the service life of cartridge 331.
Three, lubrication portion
With reference to Fig. 1, lubrication portion 3 includes: bearing 31, bearing holder (housing, cover) 32 and seal oil assembly 33.
The inner ring of bearing 31 is enclosed within rotating shaft 11, and the outer wall of rotating shaft 11 is formed card rank 113, and card rank 113 are for blocking the inner ring of bearing 31, to prevent bearing 31 to be axially moveable.
Bearing holder (housing, cover) 32 is enclosed within the outer ring of bearing 31, and entirety is embedded in the circle centre position of cooling storehouse 21 rounded bottom surface, and the inwall of bearing holder (housing, cover) 32 is formed card rank 321, and card rank 321 are for blocking the outer ring of bearing 31, to prevent bearing 31 to be axially moveable.
The quantity of bearing 31 is two, leaves oil input channel 311 and oil expulsion channel 312 between two bearings 31, and oil input channel 311, oil expulsion channel 312 both pass through bearing holder (housing, cover) 32 and cooling storehouse 21 sidewall is in communication with the outside.
As the preferred scheme of one, lubrication portion 3 also includes: lubricating oil radiator (not shown).Lubricating oil radiator is arranged on the outside of bearing holder (housing, cover) 32, connects with the oil input channel 311 between two bearings 31 and oil expulsion channel 312.
The composition of seal oil assembly 33 is described below.
Reference Fig. 1, the outside being arranged on two bearings 31 of seal oil assembly 33 symmetry, comprising: cartridge 331, pressing plate 332, baffle plate 333 and regulation bolt 334.Wherein, cartridge 331, pressing plate 332 and baffle plate 333 are all enclosed within rotating shaft 11, cartridge 331 is close to bearing 31 and is arranged, pressing plate 332 is close to cartridge 331 and is arranged, baffle plate 333 is fixed on the two ends of bearing holder (housing, cover) 32, and regulation bolt 334 passes perpendicularly through baffle plate 333 and pressing plate 332 and cartridge 331 compressed.
It should be noted that above-described embodiment limits this utility model, the technical scheme that the mode of all employing equivalents or equivalent transformation is obtained the most in any form, all fall within protection domain of the present utility model.
Claims (8)
1. one kind has high heat utilization rate and high mechanical efficiency and durable steam turbine, overall in cylinder, including: cylinder part (1), cooling portion (2) and lubrication portion (3), described cooling portion (2) is positioned at the two ends of cylinder part (1), lubrication portion (3) is embedded in the bottom surface circle centre position of two cooling portions (2), it is characterized in that
Described cylinder part (1) includes the most successively: rotating shaft (11), hollow impeller (12) and cylinder body (13),
Described rotating shaft (11) is provided with some cylindrical end tangs (111) in the axial direction；
Described hollow impeller (12) is made up of wheel body (121) and some wheel plates (122), described wheel body (121) is formed by connecting by some joint cylinders (1211), each joint cylinder (1211) is both provided with axle sleeve (1212) in inside, and axle sleeve (1212) and cylinder (1211) are concentric circular；Described wheel plate (122) is evenly distributed on the circumference of wheel body (121) outer wall, and form the angle more than 0 ° and less than 90 ° between the axis of wheel plate (122) and wheel body (121), between two adjacent rings wheel plate (122), form ring-shaped chamber (1221)；Axle sleeve (1212) in wheel body (121) is fitted snugly in the cylindrical end tangs (111) in rotating shaft (11), thus rotating shaft (11) is fixed together with hollow impeller (12)；
nullDescribed cylinder body (13) is cylindrical shape cylinder，Centre is working bin，Two ends are respectively air inlet storehouse and aerofluxus storehouse，Air inlet (132) on air inlet storehouse and the air vent (133) on aerofluxus storehouse are respectively positioned on the circular arc sidewall of cylinder，Whole cylinder body (13) is divided into two along axis of symmetry，Form upper half cylinder body and lower half cylinder body，In working bin section，Some semi-circular shape break-in grid (131) it are each formed with in the axial direction on the inwall of upper half cylinder body and lower half cylinder body，Described break-in grid (131) have some air flues being parallel to each other，The angle more than 0 ° and less than 90 ° is formed between described air flue and the rounded bottom surface of cylinder body，When upper half cylinder body and lower half cylinder body are involutory，Two semi-circular shape break-in grid on upper half cylinder body and the same circumference of lower half cylinder body form a complete annulus，Annular steam chest (1311) is formed between the break-in grid (131) of adjacent two on cylinder body axis direction；In air inlet storehouse section and aerofluxus storehouse section, the circular side wall in the circular side wall in air inlet storehouse and aerofluxus storehouse is respectively formed on the axis hole passed for rotating shaft (11), the inner surface of axis hole is formed with some annular grooves (134), the outer surface of rotating shaft (11) is formed with some annular protrusions (112) in corresponding position, annular protrusion (112) is stuck in annular groove (134), a heat keeper (135) it is each provided with inside and outside the circular side wall in described air inlet storehouse, the outside of two heat keepers (135) is each provided with a thermal insulation cover (136), also a heat keeper (135) it is each provided with inside and outside the circular side wall in described aerofluxus storehouse, the outside of two heat keepers (135) is also each provided with a thermal insulation cover (136)；
nullWhen hollow impeller (12) is fastened within it by cylinder body，Annular break-in grid (131) on inboard wall of cylinder block are between the upper two adjacent rings wheel plate (122) of hollow impeller (12) in the ring-shaped chamber (1221) formed，Wheel plate (122) on hollow impeller (12) is between break-in grid (131) adjacent on cylinder body in the annular steam chest (1311) formed，And the air flue on break-in grid (131) and wheel plate (122) the position one_to_one corresponding on hollow impeller (12) and vertical，High steam in air inlet storehouse enters first break-in grid (131)，The high steam flowed out from the air flue of first break-in grid (131) is vertically beaten the wheel plate plate face in first steam chest (1311)，Each air flue on break-in grid (131) and constitute an acting individuality with its one_to_one corresponding and vertically disposed wheel plate (122)，High steam after acting enters back into second break-in grid (131)，The high steam flowed out from the air flue of second break-in grid (131) is the most vertically beaten the wheel plate plate face in second steam chest (1311)，The like，Continue uninterrupted acting，Until the wheel plate (122) in last steam chest (1311) is finished merit by high steam，Finally discharge from aerofluxus storehouse.
Steam turbine the most according to claim 1, it is characterized in that, described cylinder part (1) also includes: jam plate, described jam plate is annular, the axle sleeve (1212) internal with the cylindrical end tangs (111) in rotating shaft (11) and cylinder (1211) is fixing to be connected, and makes cylindrical end tangs (111) be locked in the axle sleeve (1212) of correspondence.
Steam turbine the most according to claim 1, it is characterised in that the external diameter of the cylindrical end tangs (111) on cylinder part (1), described rotating shaft (11) reduces one by one or increases one by one.
Steam turbine the most according to claim 1; it is characterized in that; in cylinder part (1); being formed with some crossbeams and longeron on the outer wall of described cylinder body (13), described crossbeam is parallel with the axis of cylinder body (13), and described longeron is parallel with the circumference of cylinder body (13); crossbeam is mutually perpendicular to longeron; the outer wall of cylinder body (13) is formed some concave surface fins, in concave surface, is provided with insulation sheet, outside insulation sheet, be provided with protective cover.
Steam turbine the most according to claim 1, it is characterized in that, in cylinder part (1), the correction mouth cooperated and adjustable stem it is provided with on the interface of described upper half cylinder body and lower half cylinder body, when upper half cylinder body and lower half cylinder body are involutory, adjustable stem slips into along correction mouth so that together with upper half cylinder body is accurately docked to lower half cylinder body.
6. according to the steam turbine described in claim 1 to 5 any one, it is characterised in that described cooling portion (2) including: cooling storehouse (21), rotating shaft protective cover and water atomizing nozzle,
Described cooling storehouse (21) is cylindrical, and the sidewall of its circular arc is provided with water inlet (211) and discharge outlet (212), and rotating shaft protective cover and water atomizing nozzle are arranged in described cooling storehouse (21)；
Described rotating shaft protective cover is arranged on the rounded bottom surface of cooling storehouse (21), water atomizing nozzle is arranged on rotating shaft protective cover, water atomizing nozzle connects with the water inlet (211) on cooling storehouse, atomized water is sprayed directly in rotating shaft (11), and countershaft (11) is lowered the temperature.
Steam turbine the most according to claim 6, it is characterised in that described lubrication portion (3) including: bearing (31), bearing holder (housing, cover) (32) and seal oil assembly (33),
The inner ring of described bearing (31) is enclosed within rotating shaft (11), described bearing holder (housing, cover) (32) is enclosed within the outer ring of bearing (31) and entirety be embedded in cooling storehouse (21) rounded bottom surface circle centre position, on the outer wall of rotating shaft (11), the inwall with bearing holder (housing, cover) (32) has been respectively formed on card rank (113, 321), bearing (31) is axially locked at two card rank (113, 321) in, the quantity of described bearing (31) is two, oil input channel (311) and oil expulsion channel (312) is left between two bearings (31), oil input channel (311), oil expulsion channel (312) both passes through bearing holder (housing, cover) (32) and cooling storehouse (21) sidewall is in communication with the outside；
The outside being arranged on two bearings (31) that described seal oil assembly (33) is symmetrical, comprising: cartridge (331), pressing plate (332), baffle plate (333) and regulation bolt (334), wherein, described cartridge (331), pressing plate (332) and baffle plate (333) are all enclosed within rotating shaft (11), cartridge (331) is close to bearing (31) and is arranged, pressing plate (332) is close to cartridge (331) and is arranged, baffle plate (333) is fixed on the two ends of bearing holder (housing, cover) (32), regulation bolt (334) passes perpendicularly through baffle plate (333) and pressing plate (332) and cartridge (331) is compressed.
Steam turbine the most according to claim 7, it is characterized in that, described lubrication portion (3) also includes: lubricating oil radiator, described lubricating oil radiator is arranged on the outside of bearing holder (housing, cover) (32), connects with the oil input channel (311) between two bearings (31) and oil expulsion channel (312).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620445040.1U CN205638568U (en) | 2016-05-16 | 2016-05-16 | Steam turbine with high heat utilization rate and high mechanical efficiency and durable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620445040.1U CN205638568U (en) | 2016-05-16 | 2016-05-16 | Steam turbine with high heat utilization rate and high mechanical efficiency and durable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205638568U true CN205638568U (en) | 2016-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620445040.1U Withdrawn - After Issue CN205638568U (en) | 2016-05-16 | 2016-05-16 | Steam turbine with high heat utilization rate and high mechanical efficiency and durable |
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| Country | Link |
|---|---|
| CN (1) | CN205638568U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105804801A (en) * | 2016-05-16 | 2016-07-27 | 高宏亮 | Durable steam turbine with high heat energy utilization rate and high mechanical efficiency |
-
2016
- 2016-05-16 CN CN201620445040.1U patent/CN205638568U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105804801A (en) * | 2016-05-16 | 2016-07-27 | 高宏亮 | Durable steam turbine with high heat energy utilization rate and high mechanical efficiency |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20161012 Effective date of abandoning: 20170620 |