CN215927484U - Internal oil collection and flow guide system of steam turbine - Google Patents

Abstract

The utility model provides an internal oil collecting and flow guiding system of a steam turbine, which comprises a flow guiding box and a transmission assembly, wherein a partition plate is arranged in the flow guiding box, the partition plate divides the flow guiding box into an upper driving layer and a lower flow guiding layer, two sides of the upper end of the flow guiding box are provided with drainage tubes, the transmission assembly comprises a driving motor and two rotating shafts, the driving motor is arranged at the center of the upper end of the flow guiding box, an output shaft of the driving motor penetrates through the driving layer, a driving gear is arranged on the output shaft of the driving motor, the two rotating shafts are respectively sleeved on the drainage tubes, the rotating shafts are rotatably connected with the drainage tubes, one half of the flow guiding layer is arranged in the driving layer, the other half of the flow guiding layer is arranged in the flow guiding layer, the two rotating shafts are respectively provided with a driven gear in the driving layer, the two driven gears are meshed with the driving gear, the two rotating shafts are respectively provided with a plurality of flow guiding blades in the flow guiding layer, and a plurality of flow guiding tubes are arranged at equal intervals at the lower end of the side edge of the flow guiding box, this novel bubble that can eliminate in the fluid just has the water conservancy diversion effect.

Description

Internal oil collection and flow guide system of steam turbine

Technical Field

The utility model relates to the technical field of steam turbines, in particular to an internal oil collecting and guiding system of a steam turbine.

Background

The steam turbine is also called as a steam turbine engine, and is a rotary steam power device.A high-temperature high-pressure steam passes through a fixed nozzle to become an accelerated airflow and then is sprayed onto blades, so that a rotor provided with blade rows rotates, and simultaneously, the rotor does work outwards. The steam turbine is the main equipment of modern thermal power plant, also is used in metallurgical industry, chemical industry, naval vessel power device, and the steam turbine is the most widely used prime mover in modern thermal power plant. The steam turbine has the advantages of large single machine power, high efficiency, long service life and the like;

in the prior art, the oil inside the steam turbine is often in an unsaturated state, namely the oil is mixed with the gas in the air, and the viscosity of the oil is high, so that bubbles linger in the oil for a long time, the gas in the oil cannot be well eliminated, the flow direction of the oil cannot be controlled in the steam turbine, and the oil cannot be contacted in a partial area easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an internal oil collecting and guiding system of a steam turbine, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

the internal oil collecting and flow guiding system of the steam turbine comprises a flow guiding box and a transmission assembly, wherein a partition plate is arranged in the flow guiding box, the partition plate divides the flow guiding box into an upper driving layer and a lower flow guiding layer, two sides of the upper end of the flow guiding box are provided with drainage tubes, and the two drainage tubes penetrate into the flow guiding layer; the transmission assembly is including driving motor and two axis of rotation, driving motor installs the upper end center department at the baffle box, driving motor's output shaft runs through to the drive layer, just install drive gear on driving motor's the output shaft, two the axis of rotation overlaps respectively on the drainage tube, the axis of rotation rotates with the drainage tube to be connected, just half the diversion layer is located the drive layer, and half is located the diversion layer, two driven gear, two are all installed in the drive layer to the axis of rotation driven gear meshes with drive gear mutually, two a plurality of guide vanes are all installed in the diversion layer to the axis of rotation, a plurality of honeycomb ducts are installed to baffle box side lower extreme equidistance.

Furthermore, two all install first automatically controlled valve on the drainage tube, it is a plurality of all install the second automatically controlled valve on the honeycomb duct.

Furthermore, the side center department of flow guide box installs the mounting panel, be provided with the mounting hole on the mounting panel.

Furthermore, a stop block is arranged at the center of the inner part of the flow guide layer of the flow guide box.

Furthermore, a plurality of spherical pairs are arranged in each guide pipe.

Furthermore, three guide grooves are formed in each of the guide vanes.

Compared with the prior art, the utility model has the beneficial effects that:

this novel bubble in the fluid can be eliminated and the water conservancy diversion effect has, at first be connected oil pipe and drainage tube, pour into the water conservancy diversion in situ to the guide box with oil from the drainage tube, and the rotation through driving motor can make drive gear drive two driven gear rotations, thereby make the intraformational guide vane of water conservancy diversion rotate the groove, thereby make the intraformational fluid of inflow water conservancy diversion mix and stir, thereby eliminate the bubble, and through opening the honeycomb duct, can be with fluid water conservancy diversion to the position that needs, increase the practicality.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a cross-sectional view of the interior of the drive layer of the present invention;

FIG. 3 is a cross-sectional view of the interior of the baffle of the present invention;

FIG. 4 is a plan view of a guide vane of the present invention;

in the figure: 1. a flow guide box; 2. a transmission assembly; 3. a drainage tube; 4. a first electrically controlled valve; 5. a flow guide pipe; 6. a second electrically controlled valve; 7. a guide vane; 11. a drive layer; 12. a flow guiding layer; 13. mounting a plate; 14. a stopper; 21. a drive motor; 22. a drive gear; 23. a rotating shaft; 24. a driven gear; 51. a spherical pair; 71. and a diversion trench.

Detailed Description

In order to facilitate an understanding of the utility model, the utility model will now be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the utility model are shown, but which may be embodied in different forms and not limited to the embodiments described herein, but which are provided so as to provide a more thorough and complete disclosure of the utility model.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the knowledge of the terms used herein in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-4, the present invention provides a technical solution: the internal oil collecting and flow guiding system of the steam turbine comprises a flow guiding box 1 and a transmission assembly 2, wherein a partition plate is arranged in the flow guiding box 1, the partition plate divides the flow guiding box 1 into an upper driving layer 11 and a lower flow guiding layer 12, two drainage tubes 3 are arranged on two sides of the upper end of the flow guiding box 1, and the two drainage tubes 3 penetrate into the flow guiding layer 12; the transmission assembly 2 comprises a driving motor 21 and two rotating shafts 23, the driving motor 21 is installed at the center of the upper end of the flow guide box 1, the output shaft of the driving motor 21 penetrates through the driving layer 11, a driving gear 22 is installed on the output shaft of the driving motor 21, the rotating shafts 23 are respectively sleeved on the drainage tube 3, the rotating shafts 23 are rotatably connected with the drainage tube 3, half of the flow guide layer 12 is located in the driving layer 11, the other half of the flow guide layer 12 is located in the flow guide layer 12, two driven gears 24 are installed on the rotating shafts 23 in the driving layer 11, the two driven gears 24 are meshed with the driving gear 22, the two rotating shafts 23 are all provided with a plurality of flow guide vanes 7 in the flow guide layer 12, a plurality of flow guide pipes 5 are installed at equal intervals at the lower end of the side of the flow guide box 1, firstly, oil pipes are connected with the drainage tube 3, and oil is injected into the flow guide layer 12 of the flow guide box 1 from the drainage tube 3, and the rotation through driving motor 21 can make drive gear 22 drive two driven gear 24 rotations to make guide vane 7 in the water conservancy diversion layer 12 rotate the groove, thereby make the interior fluid of inflow water conservancy diversion layer 12 mix and stir, thereby eliminate the bubble, and through opening honeycomb duct 5, can be with fluid water conservancy diversion to the position of needs, increase the practicality.

Please refer to fig. 1 again, a first electric control valve 4 is installed on each of the two drainage tubes 3, a second electric control valve 6 is installed on each of the plurality of drainage tubes 5, the first electric control valve 4 can close the oil entering the diversion box 1, so as to open the diversion box according to the requirement, and the second electric control valve 6 is opened to enable the oil to flow to the required position better; the side center department of flow guide box 1 installs mounting panel 13, be provided with the mounting hole on the mounting panel 13, can be convenient for the device to be fixed mutually with its middle part through mounting panel 13.

Please refer to fig. 3 again, a stopper 14 is disposed at the center inside the flow guiding layer 12 of the flow guiding box 1, on one hand, the stopper 14 can reduce the inner area of the flow guiding layer 12 and prevent the oil from accumulating at the center inside the flow guiding layer 12, and on the other hand, the arc-shaped surface of the stopper 14 also has the function of guiding the flow; the plurality of draft tubes 5 are all provided with spherical pairs 51, and through the design of the spherical pairs 51, when the oil liquid goes out of the draft tubes 5, the spherical pairs 51 can rotate, so that bubbles are further eliminated.

Please refer to fig. 4, three diversion trenches 71 are disposed on each of the plurality of diversion vanes 7, so that when the oil flows out of the drainage tube 3, the oil can better enter the diversion layer 12 through the diversion trenches 71.

The specific operation mode of the utility model is as follows:

at first be connected oil pipe and drainage tube 3, pour into oil in the water conservancy diversion layer 12 of baffle box 1 from drainage tube 3 in, and can make drive gear 22 drive two driven gear 24 rotations through driving motor 21's rotation, thereby make the guide vane 7 in the water conservancy diversion layer 12 rotate the groove, thereby make the interior fluid of inflow water conservancy diversion layer 12 mix and stir, thereby eliminate the bubble, and through opening honeycomb duct 5, can be with fluid water conservancy diversion to required position, increase the practicality.

The utility model is described above with reference to the accompanying drawings, it is obvious that the utility model is not limited to the above embodiments, and it is within the scope of the utility model to adopt the method concept and technical solution of the utility model to make such insubstantial modifications, or to directly apply the concept and technical solution of the utility model to other applications without any modification.

Claims (6)

1. The internal oil collecting and flow guiding system of the steam turbine comprises a flow guiding box (1) and a transmission assembly (2), and is characterized in that a partition plate is arranged inside the flow guiding box (1), the partition plate divides the flow guiding box (1) into an upper driving layer (11) and a lower flow guiding layer (12), two drainage tubes (3) are arranged on two sides of the upper end of the flow guiding box (1), and the two drainage tubes (3) penetrate into the flow guiding layer (12); drive assembly (2) is including driving motor (21) and two axis of rotation (23), the upper end center department at baffle box (1) is installed in driving motor (21), the output shaft of driving motor (21) runs through to drive layer (11), just install drive gear (22), two on the output shaft of driving motor (21) axis of rotation (23) overlap respectively on drainage tube (3), axis of rotation (23) are rotated with drainage tube (3) and are connected, just half of diversion layer (12) are located drive layer (11), and half is located diversion layer (12), two driven gear (24) are all installed to axis of rotation (23) in drive layer (11), two driven gear (24) mesh mutually with drive gear (22), two a plurality of guide vanes (7) are all installed to axis of rotation (23) in diversion layer (12), a plurality of flow guide pipes (5) are arranged at the lower end of the side edge of the flow guide box (1) at equal intervals.

2. The internal oil-collecting flow-guiding system of a steam turbine according to claim 1, wherein a first electrically controlled valve (4) is mounted on each of the two drainage tubes (3), and a second electrically controlled valve (6) is mounted on each of the plurality of flow-guiding tubes (5).

3. The internal oil collecting and guiding system of a steam turbine according to claim 1, wherein a mounting plate (13) is installed at the center of the side edge of the guiding box (1), and a mounting hole is formed in the mounting plate (13).

4. The internal oil collecting guide system of a steam turbine according to claim 1, characterized in that a stop (14) is provided at the inner center of the guide layer (12) of the guide box (1).

5. The internal oil-collecting flow-guiding system of a steam turbine according to claim 1, characterized in that a plurality of said flow-guiding pipes (5) are each fitted with a spherical pair (51).

6. The internal oil collecting and guiding system of a steam turbine according to claim 1, wherein three guiding grooves (71) are provided on each of the plurality of guide vanes (7).

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