CN112267918A - Special air release device for steam turbine - Google Patents
Special air release device for steam turbine Download PDFInfo
- Publication number
- CN112267918A CN112267918A CN202011148226.8A CN202011148226A CN112267918A CN 112267918 A CN112267918 A CN 112267918A CN 202011148226 A CN202011148226 A CN 202011148226A CN 112267918 A CN112267918 A CN 112267918A
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- China
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- fixedly connected
- steam turbine
- casing
- bevel gear
- push rod
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- Pending
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- 230000000740 bleeding effect Effects 0.000 claims abstract description 12
- 238000002955 isolation Methods 0.000 claims description 16
- 230000005540 biological transmission Effects 0.000 claims description 10
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/08—Cooling; Heating; Heat-insulation
- F01D25/12—Cooling
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Electrically Driven Valve-Operating Means (AREA)
Abstract
The invention discloses a special air bleeding device for a steam turbine, which relates to the field of steam turbines and aims at solving the problems that the traditional special air bleeding device for the steam turbine cannot accurately control the gas flow and timely reduce the temperature of equipment. The invention can accurately deflate by controlling the air pressure value in the shell, thereby ensuring the accurate control of the air flow, ensuring the normal operation of the equipment, simultaneously reducing the temperature of the equipment in time and prolonging the service life of the equipment.
Description
Technical Field
The invention relates to the field of steam turbines, in particular to a special air discharging device for a steam turbine.
Background
The steam turbine is also called as steam turbine engine, and is a rotary steam power equipment, and the high-temperature high-pressure steam is passed through fixed nozzle, becomes accelerated air flow, and is sprayed on the blade to make the rotor equipped with blade row rotate, at the same time, it can do work for exterior. Steam turbines are the main equipment of modern thermal power plants, are also used in the metallurgical industry, chemical industry and ship power plants, and modern steel plants also use a large amount of steam turbines. The traditional special air release device for the steam turbine cannot accurately control the gas flow, influences the working effect of the steam turbine, cannot timely reduce the temperature of equipment, and influences the service life of the equipment, so that the special air release device for the steam turbine is provided.
Disclosure of Invention
The invention provides a special air bleeding device for a steam turbine, which solves the problems that the traditional special air bleeding device for the steam turbine cannot accurately control the gas flow and timely reduces the temperature of equipment.
In order to achieve the purpose, the invention adopts the following technical scheme:
a special air release device for a steam turbine comprises a shell, wherein an isolation layer is fixedly sleeved in the shell, a cold air layer is arranged between the isolation layer and the shell, a temperature sensor and an air pressure sensor are fixedly connected to the inner wall of the left side of the isolation layer, a data display screen is fixedly connected to the outer wall of the left side of the shell, a first push rod motor is fixedly connected to the top of the shell, an output shaft of the push rod motor is fixedly connected with a current limiting block, a spring is arranged outside an output shaft of the push rod motor, the top of the spring is fixedly connected to the top of the isolation layer, a piston connecting cover is slidably connected to the top of the shell, a plurality of pistons are fixedly connected to the bottom of the piston connecting cover, a push plate is fixedly connected to the right side of the piston connecting cover, a threaded sleeve is fixedly connected to the bottom of, the fixed cover in bottom of reciprocal lead screw is equipped with first bevel gear, the right side fixedly connected with headstock of casing, the bottom inner wall fixedly connected with second push rod motor of headstock, the output shaft fixedly connected with movable block of second push rod motor, the top fixedly connected with driving motor of movable block, driving motor's the first pivot of output shaft fixedly connected with, the outside fixed cover of first pivot is equipped with two second bevel gears, and is located the left side second bevel gear meshes the transmission with first bevel gear, the bottom inner wall of headstock rotates and is connected with the second pivot, the fixed cover in top of second pivot is equipped with the third bevel gear, and is located the right side second bevel gear meshes the transmission with the third bevel gear, the bottom of second pivot is connected with the ball valve, the external connection of ball valve has the cold air duct.
Preferably, the left side of the shell is provided with an air inlet, an air inlet pipe is fixedly sleeved inside the air inlet, an air outlet is formed in the right side of the shell, and an air outlet pipe is fixedly sleeved inside the air outlet.
Preferably, a plurality of first chutes are formed in the outer portion of the housing, a plurality of sliders are fixedly connected to the inner portion of the piston connecting cover, and the sliders are slidably connected to the inner portions of the chutes.
Preferably, the bottom of the moving block is fixedly connected with a second sliding block, a second sliding groove is formed in the inner wall of the bottom of the power box, and the second sliding block is slidably sleeved inside the second sliding groove.
Preferably, the movable hole has been seted up at the top of headstock, the movable hole is run through in the activity of reciprocal lead screw, the outside cover of reciprocal lead screw is equipped with the connection bearing, the left side fixedly connected with connecting rod of connection bearing, and the left side fixed connection of connecting rod is on the right side of casing.
Preferably, a plurality of air outlets are formed in the top of the isolation layer, a second movable hole is formed in the top of the shell, and the piston penetrates through the air outlets and the second movable hole.
Preferably, the model of the temperature sensor is HM1500, and the model of the air pressure sensor is MS5534 CM.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention realizes the accurate control of the gas flow by installing the driving motor, the first push rod motor, the piston, the flow limiting block, the gas pressure sensor and other structures, wherein when the flow of the gas inlet pipe is overlarge, the push rod motor controls the flow limiting block to move downwards to reduce the flow entering the gas outlet pipe, if the pressure value displayed by the pressure sensor is overhigh, the driving motor controls the piston blocking the gas outlet to move through gear transmission, so that the gas in the shell partially overflows until the reading displayed by the pressure sensor reaches the specified value, then the piston is closed, and the gas pressure in the shell is accurately controlled.
2. According to the invention, the second push rod motor, the driving motor, the ball valve, the cold air layer, the cold air pipe and other structures are arranged, wherein when the temperature sensor displays that the temperature is too high, the driving motor controls the ball valve to be opened through gear transmission, so that the cold air in the cold air pipe smoothly enters the cold air layer, the device is rapidly cooled, and the influence on the operation effect and the service life is avoided.
To sum up, the device is novel in design, and easy operation not only can be through the atmospheric pressure value in the control shell, accurate gassing to guarantee accurate control gas flow, make equipment normal operating, in time reduce equipment temperature simultaneously, prolong the life of equipment.
Drawings
Fig. 1 is a schematic structural diagram of a special air bleeding device for a steam turbine before controlling airflow rate;
fig. 2 is a schematic structural diagram of a special air bleeding device for a steam turbine before controlling airflow rate according to the present invention;
fig. 3 is a partial enlarged view of a special air bleeding device a for a steam turbine according to the present invention.
In the figure: the device comprises a first push rod motor 1, a piston connecting cover 2, a temperature sensor 3, a data display screen 4, an air pressure sensor 5, a flow limiting block 6, an air inlet pipe 7, a shell 8, a cold air layer 9, an isolation layer 10, an air outlet pipe 11, a reciprocating screw rod 12, a threaded sleeve 13, a push plate 14, a spring 15, a piston 16, a ball valve 17, a second rotating shaft 18, a third bevel gear 19, a second bevel gear 20, a power box 21, a driving motor 22, a first bevel gear 23, a moving block 24, a first rotating shaft 25, a second push rod motor 26 and a cold air pipe 27.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-3, a special air release device for a steam turbine, comprising a casing 8, an isolation layer 10 is fixedly sleeved inside the casing 8, a cold air layer 9 is arranged between the isolation layer 10 and the casing 8, a temperature sensor 3 and a pressure sensor 5 are fixedly connected to the left inner wall of the isolation layer 10, a data display screen 4 is fixedly connected to the left outer wall of the casing 8, a first push rod motor 1 is fixedly connected to the top of the casing 8, an output shaft of the push rod motor 1 is fixedly connected to a current limiting block 6, a spring 15 is arranged outside the output shaft of the push rod motor 1, the top of the spring 15 is fixedly connected to the top of the isolation layer 10, a piston connecting cover 2 is slidably connected to the top of the casing 8, a plurality of pistons 16 are fixedly connected to the bottom of the piston connecting cover 2, a push plate 14 is fixedly connected to the right side of the piston connecting cover 2, a thread sleeve 13 is, the fixed cover in bottom of reciprocal lead screw 12 is equipped with first bevel gear 23, the right side fixed connection of casing 8 has headstock 21, the bottom inner wall fixedly connected with second push rod motor 26 of headstock 21, the output shaft fixedly connected with movable block 24 of second push rod motor 26, the top fixedly connected with driving motor 22 of movable block 24, driving motor 22's output shaft fixedly connected with first pivot 25, the outside fixed cover of first pivot 25 is equipped with two second bevel gears 20, and be located left side second bevel gear 20 and first bevel gear 23 meshing transmission, the bottom inner wall of headstock 21 rotates and is connected with second pivot 18, the fixed cover in top of second pivot 18 is equipped with third bevel gear 19, and be located right side second bevel gear 20 and third bevel gear 19 meshing transmission, the bottom of second pivot 18 is connected with ball valve 17, the external connection of 17 has cold air duct ball valve 27.
In this embodiment, the inlet port has been seted up in the left side of casing 8, and the fixed cover in inside of inlet port is equipped with intake pipe 7, and the venthole has been seted up on the right side of casing 8, and the fixed cover in inside of venthole is equipped with outlet duct 11.
In this embodiment, a plurality of first chutes are provided on the outside of the housing 8, a plurality of sliders are fixedly connected to the inside of the piston connecting cover 2, and the sliders are slidably connected to the inside of the chutes.
In this embodiment, the bottom of the moving block 24 is fixedly connected with a second sliding block, a second sliding groove is formed in the inner wall of the bottom of the power box 21, and the second sliding block is slidably sleeved inside the second sliding groove.
In this embodiment, the movable hole has been seted up at the top of headstock 21, and the activity of reciprocal lead screw 12 runs through the movable hole, and the outside cover of reciprocal lead screw 12 is equipped with the connection bearing, and the left side fixedly connected with connecting rod of connection bearing, and the left side fixed connection of connecting rod is on the right side of casing 8.
In this embodiment, a plurality of air outlets are provided at the top of the isolation layer 10, a second movable hole is provided at the top of the housing 8, and the piston 16 penetrates through the air outlets and the second movable hole.
In this embodiment, the model of the temperature sensor 3 is HM1500, and the model of the air pressure sensor 5 is MS5534 CM.
Firstly, the air pressure sensor 5 and the temperature sensor 3 timely transmit the air pressure value and the temperature value inside the shell to the data display screen 4, when the air pressure value is too high, firstly, the output shaft of the first push rod motor 1 drives the current limiting block 6 to move downwards to properly adjust the air flow velocity, meanwhile, the output shaft of the second push rod motor 26 extends to drive the moving block 24 to move leftwards, so as to drive the driving motor 22 fixedly connected to the top of the moving block 24 to move leftwards, so as to drive the first rotating shaft 25 to move leftwards, so as to drive the second bevel gear 20 to move leftwards, the second bevel gear 20 positioned on the left side is in meshing transmission with the first bevel gear 23, so as to drive the reciprocating screw rod 12 fixedly sleeved inside the first bevel gear 23 to rotate, so as to drive the threaded sleeve 13 sleeved outside the reciprocating screw rod 12 to move upwards, so as to drive the push plate 14 to move upwards, so, when the temperature value is too high, the output shaft of the second push rod motor 26 contracts, so that the moving block 24 is driven to move rightwards, the driving motor 22 is driven to move rightwards, so that the first rotating shaft 25 is driven to move rightwards, the second bevel gear 20 on the right side is meshed with the third bevel gear 19 for transmission, the second rotating shaft 18 is driven to rotate, the ball valve 17 is opened, cold air in the cold air pipe 27 smoothly enters the cold air layer 9, and the temperature of the device is quickly reduced.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The utility model provides a special device that leaks informaton of steam turbine, includes casing (8), its characterized in that, the fixed cover in inside of casing (8) is equipped with isolation layer (10), be equipped with cold gas layer (9) between isolation layer (10) and casing (8), the left side inner wall fixedly connected with temperature sensor (3) and baroceptor (5) of isolation layer (10), the left side outer wall fixedly connected with data display screen (4) of casing (8), the top fixedly connected with first push rod motor (1) of casing (8), the output shaft fixed connection of push rod motor (1) has current limiting block (6), the outside of the output shaft of push rod motor (1) is equipped with spring (15), and the top fixed connection of spring (15) is at the top of isolation layer (10), the top sliding connection of casing (8) has piston connection lid (2), the bottom of the piston connecting cover (2) is fixedly connected with a plurality of pistons (16), the right side of the piston connecting cover (2) is fixedly connected with a push plate (14), the bottom of the push plate (14) is fixedly connected with a thread sleeve (13), the internal thread sleeve of the thread sleeve (13) is provided with a reciprocating lead screw (12), the bottom of the reciprocating lead screw (12) is fixedly provided with a first bevel gear (23), the right side of the shell (8) is fixedly connected with a power box (21), the inner wall of the bottom of the power box (21) is fixedly connected with a second push rod motor (26), the output shaft of the second push rod motor (26) is fixedly connected with a moving block (24), the top of the moving block (24) is fixedly connected with a driving motor (22), the output shaft of the driving motor (22) is fixedly connected with a first rotating shaft (25), and the external part of the first rotating shaft (25) is fixedly, and is located the left side second bevel gear (20) and first bevel gear (23) meshing transmission, the bottom inner wall of headstock (21) rotates and is connected with second pivot (18), the fixed cover in top of second pivot (18) is equipped with third bevel gear (19), and is located the right side second bevel gear (20) and third bevel gear (19) meshing transmission, the bottom of second pivot (18) is connected with ball valve (17), the external connection of ball valve (17) has cold air pipe (27).
2. The special air bleeding device for steam turbine as claimed in claim 1, wherein an air inlet hole is provided on the left side of the casing (8), an air inlet pipe (7) is fixedly sleeved inside the air inlet hole, an air outlet hole is provided on the right side of the casing (8), and an air outlet pipe (11) is fixedly sleeved inside the air outlet hole.
3. The special air bleeding device for the steam turbine as claimed in claim 1, wherein a plurality of first sliding grooves are formed in the outer portion of the housing (8), a plurality of sliding blocks are fixedly connected to the inner portion of the piston connecting cover (2), and the sliding blocks are slidably connected to the inner portions of the sliding grooves.
4. The special air bleeding device for the steam turbine as claimed in claim 1, wherein a second sliding block is fixedly connected to the bottom of the moving block (24), a second sliding groove is formed in the inner wall of the bottom of the power box (21), and the second sliding block is slidably sleeved inside the second sliding groove.
5. The special air bleeding device for the steam turbine as claimed in claim 1, wherein a movable hole is formed in the top of the power box (21), the reciprocating screw rod (12) movably penetrates through the movable hole, a connecting bearing is sleeved outside the reciprocating screw rod (12), a connecting rod is fixedly connected to the left side of the connecting bearing, and the left side of the connecting rod is fixedly connected to the right side of the housing (8).
6. The special air bleeding device for the steam turbine as claimed in claim 1, wherein the top of the isolation layer (10) is provided with a plurality of air outlet holes, the top of the housing (8) is provided with a second movable hole, and the piston (16) penetrates through the air outlet holes and the second movable hole.
7. The bleed device for steam turbine as claimed in claim 1, wherein the temperature sensor (3) has a model of HM1500 and the pressure sensor (5) has a model of MS5534 CM.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011148226.8A CN112267918A (en) | 2020-10-23 | 2020-10-23 | Special air release device for steam turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011148226.8A CN112267918A (en) | 2020-10-23 | 2020-10-23 | Special air release device for steam turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112267918A true CN112267918A (en) | 2021-01-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011148226.8A Pending CN112267918A (en) | 2020-10-23 | 2020-10-23 | Special air release device for steam turbine |
Country Status (1)
| Country | Link |
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| CN (1) | CN112267918A (en) |
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| CN109987075A (en) * | 2017-12-29 | 2019-07-09 | 比亚迪股份有限公司 | Electric mechanical pedal simulator, line traffic control braking system and vehicle |
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| US20200114399A1 (en) * | 2019-09-28 | 2020-04-16 | Xiaoping Shuai | Glass cleaning apparatus with sterilization and degreasing function |
| CN111115507A (en) * | 2020-01-08 | 2020-05-08 | 林元文 | Movable container lifter driven by storage battery |
| CN111749734A (en) * | 2019-03-29 | 2020-10-09 | 北京宏远佰思德科技有限公司 | Supercritical temperature power generation system or power system |
| CN111749738A (en) * | 2019-03-29 | 2020-10-09 | 北京宏远佰思德科技有限公司 | Supercritical temperature steam turbine and use method thereof |
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| GB190616099A (en) * | 1906-07-16 | 1907-07-11 | Charles Palmer Mcmullen | Improvements in Governors for Pumping Engines. |
| GB585042A (en) * | 1944-06-30 | 1947-01-29 | Sherman Alden Thomas | Improvements in butter serving machines |
| CN1573018A (en) * | 2003-05-20 | 2005-02-02 | 株式会社东芝 | Steam turbine |
| DE202005008021U1 (en) * | 2005-05-21 | 2005-07-21 | Vollmer, Rudolf | System isolator for acting as check valve, contains partition wall secured to stepped piston via locking ring |
| CN1987058A (en) * | 2005-12-19 | 2007-06-27 | 中航世新燃气轮机股份有限公司 | Combustion machine and steam turbine combined circulation system for gas boiler |
| CN202391692U (en) * | 2011-12-27 | 2012-08-22 | 厦门市猛霸机械制造有限公司 | Piston valve type oilless air compressor |
| CN103527570A (en) * | 2013-10-23 | 2014-01-22 | 浙江工商大学 | High-precision constant force-output air floatation device |
| CN206828101U (en) * | 2017-04-15 | 2018-01-02 | 河北正雍新材料科技有限公司 | A kind of gas voltage stabilizer for nitriding furnace |
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| CN208831049U (en) * | 2018-09-25 | 2019-05-07 | 西安热工研究院有限公司 | Composite cooling apparatus inside and outside overcritical working medium turbine heat preservation and external impact type |
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| CN209990617U (en) * | 2019-06-14 | 2020-01-24 | 湖北亿钧耀能新材股份公司 | Piston reciprocating air compressor machine that can monitor alarm |
| US20200114399A1 (en) * | 2019-09-28 | 2020-04-16 | Xiaoping Shuai | Glass cleaning apparatus with sterilization and degreasing function |
| CN111115507A (en) * | 2020-01-08 | 2020-05-08 | 林元文 | Movable container lifter driven by storage battery |
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Application publication date: 20210126 |