CN103575496B - Turbogenerator static fluid test unit - Google Patents
Turbogenerator static fluid test unit Download PDFInfo
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- CN103575496B CN103575496B CN201310594170.2A CN201310594170A CN103575496B CN 103575496 B CN103575496 B CN 103575496B CN 201310594170 A CN201310594170 A CN 201310594170A CN 103575496 B CN103575496 B CN 103575496B
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Abstract
The present invention relates to a kind of turbogenerator static fluid test unit, whole device is based on foundation plate, rotator model is positioned on foundation plate by seam, seal at one end seal pad of rotator model, the other end and the rotor blower fan linkage section bolt of rotator model are fixed, and the other end of rotor blower fan linkage section is connected with rotor blower fan with bolt.Stator model is positioned on rotator model by seam, then the baffle plate of stator model end is pressed drawing welding, finally stator blower fan linkage section two ends are connected with bolt with the air intake vent of stator blower fan and stator model respectively.Invention emulates structure and the flow pattern of prototype, maintain in runner consistent with the solid face material behavior of fluid contact and prototype, achieve the innovation of the turbodynamo type of cooling.
Description
Technical field:
The present invention relates to a kind of turbogenerator static fluid test unit.
Background technology:
Domestic large nuclear-power Half Speed turbine generator machine technology mainly relies on foreign technology transfer, and the type of cooling that Design of Ventilation System exists suitable difficulty, particularly rotor is selected to become the difficult point of design.Existing rotor wind path structure is complicated, and resistance is larger.The present invention carries out the research of turbogenerator static fluid test unit, simulated machine heat eliminating medium flow pattern, select to be better than current ventilation cooling structure by the comparative analysis of test figure, for effective directive function is played in the exploitation of large nuclear-power Half Speed turbodynamo ventilating system.
Summary of the invention:
The object of this invention is to provide a kind of turbogenerator static fluid test unit can studied large nuclear-power Half Speed turbodynamo ventilating system cooling power, select the rotor type of cooling.The object of the invention is to be realized by following structure: a kind of turbogenerator static fluid test unit, whole device is based on foundation plate (1), rotator model (2) is positioned on foundation plate (1) by seam, seal pad (3) is sealed in one end of rotator model (2), rotor blower fan linkage section (4) is secured by bolts in the other end of rotator model (2), and the other end of rotor blower fan linkage section (4) is connected with rotor blower fan (5) with bolt; After stator model (6) has assembled, two side plates (8) are welded on stator model (6) Width both sides, by seam location, stator model (6) is fixed on rotator model (2), the baffle plate (9) of stator model (6) end forms the air intake vent of stator model (6) by drawing welding, stator blower fan linkage section (11) two ends are connected with bolt with the air intake vent of stator blower fan (10) and stator model (6) respectively.Stator model (6) simulates support (7) by stator, refrigeratory model (12), stator core analog section (13), ventilation channel plate (14), end finger (15), pressing plate (16), stretching screw (17) and testing element (18) parts composition, the stator core analog section (13) being provided with testing element (18) in order Piecemeal erection is simulated on support (7) at stator, one deck ventilation channel plate (14) is pressed from both sides between every two sections of stator core analog section (13), by stretching screw (17), multiple analog section unshakable in one's determination (13) is connected into the entirety that an end is provided with end finger (15) and pressing plate (16), refrigeratory model (12) adopts and is bolted on stator simulation support (7).Rotator model (2) is: two teeth groove workpieces (19) connect into a rotor slot (21) with connecting screw rod (20), secondary groove filler strip (22) is placed in rotor slot (21), rotor bar model (23) is successively positioned in the groove of rotor slot (21), rotor bar model (23) the superiors install filler strip model (24), rotor slot wedge model (25) successively under wedge, completes the assembling of single rotor groove (21).Rotor bar model (23) is arranged in multiple rotor slot (21), install jackscrew (26) between adjacent two rotor slot (21), the upper cooperation seam of adjacent rotor groove (21) installs seal cover board (27).
Technique effect:
The present invention according to the structure of prototype and wind path feature, the design proposal of applications similar theoretical analysis determining device and test condition, and abundant demonstration has been carried out to prototype ventilating system drag characteristic, the selection of pressure and the Proper Match etc. of system.Device carries out the determination of size in the ratio with prototype 1:1, maintains in runner consistent with the solid face material behavior of fluid contact and prototype, ensure that the boundary condition of device can reflect the runner feature of prototype truly.Device rotator model (2) is simulated the rotor bar of seven kinds of different ventilation hole counts, pitch and sizes and slot wedge, adopt the type of cooling of Axial and radial and radial ventilation respectively, test unit can carry out the flexible combination of different rotor coil former (23) and rotor slot wedge model (25), through the demonstration testing of the many combinations of multi-scheme, preferably can be easy to the structure of processing, cooling effect is good, for the exploitation of rotor of steam turbo generator line rod provides important evidence, solve a difficult problem for rotor of steam turbo generator cooling.Stator model (6) is divided into 5 air intake districts and 6 wind outlet areas, identical with the type of cooling of prototype, the air-admitting surface in Ge Feng district is undertaken designing by 7/40 of prototype, by the measurement to Ge Feng district air quantity and stator wind speed profile, structure is adjusted, makes the overall cooling condition of motor more rational, efficient.
After the installation of turbogenerator static fluid test unit, the test of multi-state can be carried out.During test, rotor blower fan (5) and stator blower fan (10) run at different speed conditions respectively, for turbogenerator static fluid test unit provides the different pressures condition of driving and sending fluid to flow, fluid flows in the wind path of turbogenerator static fluid test unit, by the impact of different structure, produce different fluid flow features.After each structure completes the test of different operating mode, carry out the arrangement of data and the analysis of trial curve, therefrom screen the structure of air quantity and heat-sinking capability coupling, for the exploitation of more large turbo-type generator ventilating system provides technical support and foundation.
Accompanying drawing illustrates:
Fig. 1 is turbogenerator static fluid test unit figure
Fig. 2 is turbogenerator static fluid test unit stator structure figure
Fig. 3 is turbogenerator static fluid test unit rotor structure figure
Embodiment:
The present invention as shown in Figure 1, a kind of turbogenerator static fluid test unit, whole device is based on foundation plate 1, and rotator model 2 is positioned on foundation plate 1 by seam, and this locator meams ensure that the relative position relation of rotator model and the consistance of prototype.In the longitudinal direction, one end seal pad 3 seals, and the other end and rotor blower fan linkage section 4 are fixed with bolt, and the other end of rotor blower fan linkage section 4 is connected with rotor blower fan 5 with bolt.Such connected mode is that rotator model 2 provides pressure source, and this pressure source simulates prototype fan and rotor rotates the pressure produced, for rotor test provides condition.After stator model 6 has assembled, on the Width of stator simulation support 7, two side plates 8 are welded on the both sides of the Width of stator model 6, location on stator model 6 Width and sealing, by seam location, stator model 6 is fixed on rotator model 2 afterwards, then the baffle plate 9 of stator model 6 end is pressed drawing welding, form the air intake vent of stator model 6, finally stator blower fan linkage section 11 two ends are connected with bolt with the air intake vent of stator blower fan 10 and stator model 6 respectively, so not only complete the installation of model, also pressure source is provided for stator model 6.
As shown in Figure 2, stator model 6 is primarily of parts compositions such as stator simulation support 7, refrigeratory model 12, stator core analog section 13, ventilation channel plate 14, end finger 15, pressing plate 16, stretching screw 17, testing elements 18.When stator model 6 assembles, by testing element 18 is installed stator core analog section 13 in order Piecemeal erection on stator simulation support 7, so not only simulate the stator core segment of prototype, and the pressure of stator core wind ditch can be tested, realize the measurement of parameter.Press from both sides one deck ventilation channel plate 14 between every two sections of stator core analog section 13, be used for forming stator ventiduct.Multiple stator core analog section 13 has been assembled rear stretching screw 17 and has been connected into the entirety that an end is provided with end finger 15 and pressing plate 16, and aftercooler model 12 is fixed by bolts on stator simulation support 7.After stator model 6 installation, form the air path system of stator uniqueness, the testing element arranged at each test position is that the measurement of parameter provides condition.Refrigeratory model 12 adopts steel plate framework structure, is provided with filter cloth and steel mesh between framework, can regulate refrigeratory model resistance by regulating filter cloth.
As shown in Figure 3, rotator model 2 is: after two teeth groove workpiece 19 connecting screw rods 20 are connected into a rotor slot 21, first in rotor slot 21, secondary groove filler strip 22 is placed, then rotor bar model 23 is successively positioned in the groove of rotor slot 21, after rotor bar model 23 installation, rotor bar model 23 the superiors install filler strip model 24, rotor slot wedge model 25 successively under wedge, complete the assembling of a rotor slot 21 like this, complete the assembling of multiple rotor slot 21 according to such method successively.Between every two rotor slot 21, jackscrew 26 is installed to ensure spacing, then in the upper cooperation seam of every two rotor slot 21, seal cover board 27 is installed, then use screw tight.Rotor slot 21 presses prototype size design, rotor bar model 23 is divided into seven different kinds, be used for being formed the cooling air duct of different rotor bar, judge by test figure, select more reliably, design that more easy-operating structure carries out prototype rotor wind path.The labyrinth of turbogenerator static fluid test unit has taken into full account the design feature of prototype, and the present invention plays important directive function by the Design of Ventilation System of large nuclear-power Half Speed turbodynamo and autonomous innovation.
Claims (3)
1. a turbogenerator static fluid test unit, it is characterized in that: whole device is based on foundation plate (1), rotator model (2) is positioned on foundation plate (1) by seam, seal pad (3) is sealed in one end of rotator model (2), rotor blower fan linkage section (4) is secured by bolts in the other end of rotator model (2), and the other end of rotor blower fan linkage section (4) is connected with rotor blower fan (5) with bolt; After stator model (6) has assembled, two side plates (8) are welded on stator model (6) Width both sides, by seam location, stator model (6) is fixed on rotator model (2), the baffle plate (9) of stator model (6) end forms the air intake vent of stator model (6) by drawing welding, stator blower fan linkage section (11) two ends are connected with bolt with the air intake vent of stator blower fan (10) and stator model (6) respectively.
2. a kind of turbogenerator static fluid test unit according to claim 1, it is characterized in that: stator model (6) simulates support (7) by stator, refrigeratory model (12), stator core analog section (13), ventilation channel plate (14), end finger (15), pressing plate (16), stretching screw (17) and testing element (18) composition, the stator core analog section (13) being provided with testing element (18) in order Piecemeal erection is simulated on support (7) at stator, one deck ventilation channel plate (14) is pressed from both sides between every two sections of stator core analog section (13), by stretching screw (17), multiple analog section unshakable in one's determination (13) is connected into the entirety that an end is provided with end finger (15) and pressing plate (16), refrigeratory model (12) adopts and is bolted on stator simulation support (7).
3. a kind of turbogenerator static fluid test unit according to claim 1, it is characterized in that: rotator model (2) is: two teeth groove workpieces (19) connect into a rotor slot (21) with connecting screw rod (20), secondary groove filler strip (22) is placed in rotor slot (21), rotor bar model (23) is successively positioned in the groove of rotor slot (21), rotor bar model (23) the superiors install filler strip model (24) successively under wedge, rotor slot wedge model (25), complete the assembling of single rotor groove (21), rotor bar model (23) is arranged in multiple rotor slot (21), install jackscrew (26) between adjacent two rotor slot (21), the upper cooperation seam of adjacent rotor groove (21) installs seal cover board (27).
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104525314B (en) * | 2014-10-11 | 2017-03-15 | 内蒙古科技大学 | A kind of method of testing of the crushing interior gas-solid two-phase flow field characteristic of pulverizer |
| CN108318817A (en) * | 2018-04-11 | 2018-07-24 | 哈尔滨电机厂有限责任公司 | A kind of hydraulic generator rotor ventilation and the simulation test device that generates heat |
| CN114217226B (en) * | 2021-12-13 | 2023-12-29 | 合肥康尔信电力系统有限公司 | Static fluid test equipment and method for diesel generator |
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