CN219176405U - Steam turbine speed regulator with wear-resisting corrosion-resisting structure - Google Patents

Steam turbine speed regulator with wear-resisting corrosion-resisting structure Download PDF

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Publication number
CN219176405U
CN219176405U CN202222873969.2U CN202222873969U CN219176405U CN 219176405 U CN219176405 U CN 219176405U CN 202222873969 U CN202222873969 U CN 202222873969U CN 219176405 U CN219176405 U CN 219176405U
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fixed
gear pump
wall
wear
steam turbine
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CN202222873969.2U
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Chinese (zh)
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张志坚
张新坚
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Jiangyin Maochang Metal New Material Technology Co ltd
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Jiangyin Maochang Metal New Material Technology Co ltd
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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 discloses a turbine speed regulator with a wear-resistant and corrosion-resistant structure, which relates to the technical field of turbine speed regulators and comprises a conveying pipeline, wherein a rotating mechanism is arranged at the top of the conveying pipeline, and comprises: the hydraulic device comprises a hydraulic push rod, a rotating shaft, a sliding block, a rotating ring, a piston shaft and an annular sliding groove, wherein a heat dissipation mechanism is arranged on the inner wall of the rotating ring, the inner wall and the top of a shell, and the sliding block is clamped with the annular sliding groove. Through the annular spout effect on slider and the swivel becket inner wall on the axis of rotation for the axis of rotation rotates, and the axis of rotation drives the piston axle and rotates, makes the side of piston axle evenly bear pressure, has realized wear-resisting corrosion-resistant effect, and steam passes through pipeline for turning vane rotates, and turning vane drives gear pump gear and rotates, makes the coolant liquid circulation in the coolant liquid pipeline, dispels the heat for the piston axle, in order to reduce the harm of high temperature vapor to the piston axle, has improved the life of device.

Description

Steam turbine speed regulator with wear-resisting corrosion-resisting structure
Technical Field
The utility model relates to the technical field of turbine speed regulators, in particular to a turbine speed regulator with a wear-resistant and corrosion-resistant structure.
Background
The speed regulator of the steam turbine is a key device for controlling the output mechanical power of the steam turbine, and is an important content for controlling the steam turbine generator unit. The speed regulating system of the steam turbine generator is a nonlinear object, components such as an oil motor, an electrohydraulic converter and the like all comprise nonlinear links, the operation working condition of the steam turbine is changed continuously, some parameters are changed along with the change of the working condition, and the speed regulating controller with excellent research performance is very important for improving the transient stability of the power system.
The device comprises an induction mechanism, an amplifying mechanism, an executing mechanism and a unit after starting. Oil pumped out by the main shaft passes through the needle-type regulating valve to the annular chamber and then passes through the damping tube to the oil drain hole. The oil discharged by the rotation damping is referred to as primary oil pressure. The input to the double pulse regulator is the source of the rotating speed signal. And an oil way from the main oil pump to the oil injector. Through the lubricator and to the oil pump inlet. The oil pump inlet dosage and the oil pump inlet pressure are ensured. The second path passes through the filter to the isobaric device to ensure the stability of the system pressure so as to be free from the influence of the fluctuation of the outlet pressure of the main oil pump. The third path passes through the emergency cut-off throttle and the magnetic cut-off throttle to the main valve control seat to form a self-protection system of the unit.
When the speed regulator works, the speed regulator is impacted by high-temperature and high-pressure water vapor, water erosion is caused by the water vapor over the years and months, the regulating capacity of the speed regulator is reduced, and the speed regulation stability of the steam turbine is affected.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the utility model provides a steam turbine speed regulator with a wear-resistant and corrosion-resistant structure, and solves the problems in the prior art.
(II) technical scheme
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a steam turbine speed regulator with wear-resisting corrosion-resistant structure, includes pipeline, pipeline's top is provided with slewing mechanism, slewing mechanism includes:
the top of the hydraulic push rod is fixed with the inner wall of the shell, high-temperature and high-pressure water vapor passes through the conveying pipeline, and when the system receives a signal from the steam turbine, the hydraulic push rod pushes the rotating shaft and the piston shaft to move downwards so as to limit the water vapor conveying of the conveying pipeline;
the bottom of the hydraulic push rod is fixed with the top of the rotating shaft;
the surface of the rotating shaft is fixed with the sliding block;
the top of the conveying pipeline is fixed with the bottom of the rotating ring;
the bottom of the rotating shaft is fixed with the top of the piston shaft;
the annular sliding groove is formed in the inner wall of the rotating ring, the sliding block on the rotating shaft acts with the annular sliding groove on the inner wall of the rotating ring, so that the rotating shaft rotates, and the rotating shaft drives the piston shaft to rotate, so that the side surface of the piston shaft uniformly bears pressure, and the functions of wear resistance and corrosion resistance are realized;
the inner wall of the rotating ring and the inner wall and the top of the shell are provided with heat dissipation mechanisms, and the heat dissipation mechanisms comprise:
the rotating blades are fixed with the gear pump gear through transmission rods;
the inner wall of the piston shaft is fixed with the gear pump;
the gear pump is characterized by comprising a gear pump gear, wherein the inner wall of the gear pump is rotationally connected with the gear pump gear;
a coolant conduit fixed with the gear pump;
the cooling plate, the bottom and the coolant liquid pipeline of heating plate are fixed with the top of casing, and steam passes through pipeline for rotor blade rotates, and rotor blade drives gear pump gear and rotates, makes coolant liquid circulation in the coolant liquid pipeline, and coolant liquid is at the heating plate heat dissipation at top, absorbs heat on the piston shaft inner wall, dispels the heat for the piston shaft, in order to reduce the harm of high temperature vapor to the piston shaft, has improved the life of device.
Preferably, the surface of the piston shaft is connected with the piston of the conveying pipeline.
Preferably, the sliding block is clamped with the annular sliding groove.
Preferably, the number of gear pump gears is two.
Preferably, the rotating blade is rotatably connected with the piston shaft through a transmission shaft.
Preferably, the heat dissipation plate is exposed to air.
(III) beneficial effects
The utility model provides a steam turbine speed regulator with a wear-resistant and corrosion-resistant structure. The device comprises the following
The beneficial effects are that:
(1) According to the steam turbine speed regulator with the wear-resistant and corrosion-resistant structure, the sliding blocks on the rotating shaft act on the annular sliding grooves on the inner wall of the rotating ring, so that the rotating shaft rotates, and the rotating shaft drives the piston shaft to rotate, so that the side face of the piston shaft uniformly bears pressure, and the wear-resistant and corrosion-resistant effects are realized.
(2) This steam turbine speed regulator with wear-resisting corrosion-resistant structure, steam pass through the pipeline for rotor blade rotates, and rotor blade drives gear pump gear and rotates, makes coolant liquid circulation in the coolant liquid pipeline, dispels the heat for the piston shaft, in order to reduce the harm of high temperature steam to the piston shaft, has improved the life of device.
Drawings
FIG. 1 is a schematic diagram of a front view of the present utility model;
FIG. 2 is a schematic cross-sectional view of the front view of the present utility model;
FIG. 3 is a schematic cross-sectional view of a rotary ring according to the present utility model;
FIG. 4 is a schematic cross-sectional view of a piston shaft according to the present utility model;
fig. 5 is a schematic cross-sectional view of the gear pump of the present utility model.
In the figure: 1. a delivery conduit; 2. a rotating mechanism; 201. a hydraulic push rod; 202. a rotating shaft; 203. a slide block; 204. a rotating ring; 205. a piston shaft; 206. an annular chute; 3. a heat dissipation mechanism; 301. rotating the blade; 302. a gear pump; 303. a gear pump gear; 304. a coolant pipe; 305. a heat dissipation plate; 4. a housing.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, the present utility model provides a technical solution: the utility model provides a steam turbine speed regulator with wear-resisting corrosion-resistant structure, includes pipeline 1, and pipeline 1's top is provided with slewing mechanism 2, and slewing mechanism 2 includes: the top of the hydraulic push rod 201 is fixed with the inner wall of the shell 4, high-temperature and high-pressure water vapor passes through the conveying pipeline 1, and when the system receives a signal from a steam turbine, the hydraulic push rod 201 pushes the rotating shaft 202 and the piston shaft 205 to move downwards so as to limit the water vapor conveying of the conveying pipeline 1; a rotation shaft 202, the bottom of the hydraulic push rod 201 being fixed to the top of the rotation shaft 202; a slider 203, the surface of the rotation shaft 202 being fixed to the slider 203; a rotating ring 204, the top of the conveying pipeline 1 is fixed with the bottom of the rotating ring 204; a piston shaft 205, the bottom of the rotation shaft 202 is fixed with the top of the piston shaft 205; the annular sliding groove 206 is formed in the inner wall of the rotating ring 204, the sliding block 203 on the rotating shaft 202 acts with the annular sliding groove 206 on the inner wall of the rotating ring 204, so that the rotating shaft 202 rotates, the rotating shaft 202 drives the piston shaft 205 to rotate, the side surface of the piston shaft 205 uniformly bears pressure, and the functions of wear resistance and corrosion resistance are realized; the heat dissipation mechanism 3 is provided on the inner wall of the rotary ring 204 and the inner wall and top of the housing 4, and the heat dissipation mechanism 3 includes: a rotor blade 301, the rotor blade 301 being fixed to the gear pump gear 303 by a transmission rod; the gear pump 302, the inner wall of the piston shaft 205 is fixed with the gear pump 302; gear pump gear 303, the inner wall of gear pump 302 is connected with gear pump gear 303 rotation; a coolant conduit 304, the coolant conduit 304 being fixed with the gear pump 302; the cooling plate 305, the cooling plate 305 is fixed with the top of casing 4, the bottom and the cooling liquid pipeline 304 of cooling plate 305 are fixed, steam passes through pipeline 1 for rotor blade 301 rotates, rotor blade 301 drives gear pump gear 303 and rotates, make the coolant liquid circulation in the cooling liquid pipeline 304, the cooling liquid is at the cooling plate 305 heat dissipation at top, absorb heat on the piston shaft 205 inner wall, for the heat dissipation of piston shaft 205, in order to reduce the harm of high temperature steam to piston shaft 205, the life of device has been improved, the surface and the pipeline 1 piston of piston shaft 205 are connected, slider 203 and annular spout 206 joint, the quantity of gear pump gear 303 is two, rotor blade 301 passes through the transmission shaft and is connected with the piston shaft 205 rotation, cooling plate 305 exposes in the air.
When the system is in operation (or in use), high-temperature and high-pressure water vapor passes through the conveying pipeline 1, and when the system receives a signal from a steam turbine, the hydraulic push rod 201 pushes the rotating shaft 202 and the piston shaft 205 to move downwards, so that the water vapor conveying of the conveying pipeline 1 is limited;
at this time, the sliding blocks 203 on the rotating shaft 202 act with the annular sliding grooves 206 on the inner wall of the rotating ring 204, so that the rotating shaft 202 rotates, the rotating shaft 202 drives the piston shaft 205 to rotate, the side surface of the piston shaft 205 uniformly bears pressure, and the functions of wear resistance and corrosion resistance are realized;
at this time, steam passes through the conveying pipeline 1 for rotor blade 301 rotates, and rotor blade 301 drives gear pump gear 303 and rotates, makes the coolant liquid circulation in the coolant liquid pipeline 304, and the coolant liquid is at the heating panel 305 heat dissipation at top, absorbs heat on the piston shaft 205 inner wall, gives the piston shaft 205 heat dissipation, in order to reduce the harm of high temperature steam to the piston shaft 205, has improved the life of device.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. Steam turbine speed regulator with wear-resisting corrosion-resistant structure, including pipeline (1), its characterized in that: the top of conveying pipeline (1) is provided with slewing mechanism (2), slewing mechanism (2) include:
the top of the hydraulic push rod (201) is fixed with the inner wall of the shell (4);
the bottom of the hydraulic push rod (201) is fixed with the top of the rotating shaft (202);
a slider (203), wherein the surface of the rotating shaft (202) is fixed with the slider (203);
a rotating ring (204), wherein the top of the conveying pipeline (1) is fixed with the bottom of the rotating ring (204);
a piston shaft (205), wherein the bottom of the rotating shaft (202) is fixed with the top of the piston shaft (205);
the annular sliding groove (206) is formed in the inner wall of the rotating ring (204);
the inner wall of the rotating ring (204) and the inner wall and the top of the shell (4) are provided with heat dissipation mechanisms (3), and the heat dissipation mechanisms (3) comprise:
a rotor blade (301), wherein the rotor blade (301) is fixed with a gear pump gear (303) through a transmission rod;
a gear pump (302), wherein the inner wall of the piston shaft (205) is fixed with the gear pump (302);
the gear pump comprises a gear pump gear (303), wherein the inner wall of the gear pump (302) is rotationally connected with the gear pump gear (303);
a coolant conduit (304), the coolant conduit (304) being fixed with the gear pump (302);
and the cooling plate (305) is fixed with the top of the shell (4), and the bottom of the cooling plate (305) is fixed with the cooling liquid pipe (304).
2. A steam turbine governor having a wear and corrosion resistant construction as set forth in claim 1 wherein: the surface of the piston shaft (205) is connected with the piston of the conveying pipeline (1).
3. A steam turbine governor having a wear and corrosion resistant construction as set forth in claim 1 wherein: the sliding block (203) is clamped with the annular sliding groove (206).
4. A steam turbine governor having a wear and corrosion resistant construction as set forth in claim 1 wherein: the number of gear pump gears (303) is two.
5. A steam turbine governor having a wear and corrosion resistant construction as set forth in claim 1 wherein: the rotor blade (301) is rotatably connected to the piston shaft (205) via a drive shaft.
6. A steam turbine governor having a wear and corrosion resistant construction as set forth in claim 1 wherein: the heat dissipation plate (305) is exposed to air.
CN202222873969.2U 2022-10-31 2022-10-31 Steam turbine speed regulator with wear-resisting corrosion-resisting structure Active CN219176405U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222873969.2U CN219176405U (en) 2022-10-31 2022-10-31 Steam turbine speed regulator with wear-resisting corrosion-resisting structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222873969.2U CN219176405U (en) 2022-10-31 2022-10-31 Steam turbine speed regulator with wear-resisting corrosion-resisting structure

Publications (1)

Publication Number Publication Date
CN219176405U true CN219176405U (en) 2023-06-13

Family

ID=86664616

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222873969.2U Active CN219176405U (en) 2022-10-31 2022-10-31 Steam turbine speed regulator with wear-resisting corrosion-resisting structure

Country Status (1)

Country Link
CN (1) CN219176405U (en)

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