CN110645057B - Monitoring equipment for adjusting door based on steam turbine of power plant - Google Patents
Monitoring equipment for adjusting door based on steam turbine of power plant Download PDFInfo
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- CN110645057B CN110645057B CN201910933668.4A CN201910933668A CN110645057B CN 110645057 B CN110645057 B CN 110645057B CN 201910933668 A CN201910933668 A CN 201910933668A CN 110645057 B CN110645057 B CN 110645057B
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 73
- 238000012806 monitoring device Methods 0.000 claims abstract description 75
- 230000005540 biological transmission Effects 0.000 claims description 25
- 238000009434 installation Methods 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 13
- 238000001514 detection method Methods 0.000 claims description 12
- 230000008676 import Effects 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 6
- 238000005538 encapsulation Methods 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 3
- 230000001012 protector Effects 0.000 claims description 3
- 238000012546 transfer Methods 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 abstract description 8
- 238000010248 power generation Methods 0.000 abstract description 4
- 230000007547 defect Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000003860 storage Methods 0.000 description 10
- 238000005192 partition Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- 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
- F01D21/00—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for
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- 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
- F01D21/00—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for
- F01D21/003—Arrangements for testing or measuring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Control Of Turbines (AREA)
Abstract
The invention discloses monitoring equipment for a turbine throttle based on a power plant, which comprises a monitoring device and a mounting seat, wherein the monitoring device comprises a monitoring device body and a mounting seat; the invention connects the monitoring equipment with the main steam inlet of the steam turbine regulating valve through the fixed seats arranged on the two sides of the mounting seat, so that a user can control the adjusting electromagnetic valve and the electric hydraulic push rod through the controller arranged above the monitoring device through the cover plate to realize the flexible control of the mounting seat and the monitoring box, therefore, the steam conveyed to the main steam inlet of the steam turbine valve can firstly carry out state monitoring on the conveyed steam through the monitoring box in the monitoring device, thereby meeting the requirements of the application conditions of the optimal efficiency of the operation of the steam turbine governor, realizing the operation of the steam turbine and the governor with the maximum power generation efficiency during the actual application production so as to realize the maximization of the resource utilization, thereby effectively improving the utilization rate of the steam and improving the generating efficiency of the power plant, and further effectively making up the defects in the prior art.
Description
Technical Field
The invention relates to the technical field of monitoring equipment, in particular to monitoring equipment for a steam turbine damper based on a power plant.
Background
A steam turbine is also called a steam turbine engine, and is a rotary steam power device, high-temperature and high-pressure steam passes through a fixed nozzle to become accelerated airflow and then is sprayed on blades, so that a rotor provided with blade rows rotates and does work to the outside, the steam turbine is the main equipment of a modern thermal power plant and is also used in power devices of metallurgical industry, chemical industry and ships, wherein the steam turbine is very important power generation equipment in the power plant, a steam turbine regulating valve is a mechanism for regulating the steam inlet quantity, the steam turbine regulating valve can effectively regulate and control the conveyed steam quantity so as to meet the operation requirements of the steam turbine in different states during operation, but the operation efficiency of the steam turbine is influenced by different states of the conveyed steam when the steam turbine regulating valve is used, so the steam turbine regulating valve needs to be effectively monitored by monitoring equipment, however, the monitoring device for the steam turbine governor in the prior art has certain disadvantages in implementation, for example:
in the prior art, the effect of effective real-time monitoring cannot be achieved when the steam of the main steam inlet of the steam turbine governing valve of the power plant is conveyed, so that the steam conveyed to the main steam inlet of the steam turbine governing valve easily loses the optimal operation efficiency when the steam is conveyed to the steam turbine governing valve due to different states of the steam, the utilization rate of the steam is greatly reduced, and meanwhile, the power generation of the steam turbine is influenced, so that the requirement of the prior art cannot be met.
Disclosure of Invention
The invention aims to provide a monitoring device for a throttle of a turbine of a power plant, which solves the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a supervisory equipment based on power plant steam turbine accent door is used, includes monitoring device and mount pad, bolt fixedly connected with link is passed through at mount pad one side middle part, bolt fixedly connected with monitoring device is passed through to link one end, the mount pad upper surface all passes through bolt fixedly connected with fixing base with the lower surface, it has the connecting pipe to peg graft in fixing base one side middle part, and the connecting pipe passes through bolt and fixing base fixed connection, two connecting pipe one end with monitoring device pegs graft, and the connecting pipe passes through bolt fixed connection with monitoring device, it has the picture peg to peg graft in mount pad one side middle part, the picture peg is used for the closing means as the mount pad.
Preferably, the monitoring device further comprises a cover plate, a monitoring box and a transmission pipe, the middle part of the upper surface of the monitoring device is rotatably connected with the cover plate through a hinge, the cover plate is inserted with the monitoring device, one side of the lower surface of the cover plate is fixedly connected with a controller through a bolt, the middle part of the upper surface of the cover plate is fixedly connected with an alarm through a bolt, the input end of the alarm is in electric signal connection with the output end of the controller, the middle parts of the periphery of the inner wall of the monitoring device are fixedly connected with the monitoring box through bolts, the transmission pipes are inserted in the upper surface and the middle part of the lower surface of the monitoring box, one end of each connecting pipe penetrates through the monitoring device and is fixedly connected with the transmission pipes through flanges and bolts, the transmission pipe is fixedly connected with an electromagnetic valve close to one end through a bolt, the input end of the electromagnetic valve is in electric signal connection with the output end of the controller, one side of the lower surface of the inner wall of the monitoring device is fixedly connected with a storage battery through a bolt, the output end of the storage battery is electrically connected with the input end of the controller.
Preferably, the control box still includes the filter screen, the control box inner wall is close to all around the top all through bolt fixedly connected with filter screen with the bottom, the filter screen is used for the filter equipment as steam, the middle part of monitoring equipment inner wall one side is close to both ends department and all through bolt fixedly connected with support frame, the support frame is used for the stop device as control box.
Preferably, the support frame still includes baroceptor, support frame one side middle part is close to one end department and passes through bolt fixedly connected with baroceptor, and baroceptor one end runs through the control box, the baroceptor periphery pass through bolt and fastener with control box fixed connection, baroceptor is used for the pressure measurement who regards as the inside steam of control box, the baroceptor output with controller input signal of telecommunication connects.
Preferably, the support frame still includes temperature sensor, support frame one side middle part is close to the other end department and passes through bolt fixedly connected with temperature sensor, and temperature sensor one end runs through the control box, the temperature sensor periphery pass through bolt and fastener with control box fixed connection, temperature sensor is used for as the inside holistic temperature-detecting device of control box, the temperature sensor output with controller input signal of telecommunication connects.
Preferably, the support frame still includes gas flowmeter, support frame one side middle part is through bolt fixedly connected with gas flowmeter, and gas flowmeter one end runs through the control box, gas flowmeter periphery pass through bolt and fastener with control box fixed connection, gas flowmeter is used for as the detection device of control box inside steam gas flow and velocity of flow, the gas flowmeter output with controller input signal of telecommunication connects.
Preferably, the support frame still includes humidity transducer, gas flowmeter and temperature sensor looks proximal surface support frame one side is through bolt fixedly connected with humidity transducer, and humidity transducer one end runs through the control box, the humidity transducer periphery pass through bolt and fastener with control box fixed connection, humidity transducer is used for as the inspection device of the inside steam concentration of control box, the humidity transducer output with controller input electric signal connection.
Preferably, the fixing base is connected with the installation cover through bolt fixed connection one side, the installation cover is used for as the connection fixing device with power plant steam turbine governing door main steam import, the link is the X type.
Preferably, the picture peg still includes electronic hydraulic push rod, picture peg one end is run through the mount pad and is passed through bolt fixedly connected with fixed plate, fixed plate one side is close to top and bottom department and all passes through bolt fixedly connected with baffle, the electronic hydraulic push rod of bolt fixedly connected with is passed through at baffle one side middle part, electronic hydraulic push rod one side pass through the bolt with fixing base fixed connection, electronic hydraulic push rod input with controller output electric signal connection, electronic hydraulic push rod is used for as the picture peg at the inside drive arrangement of mount pad.
Preferably, the picture peg is peripheral the recess has been seted up to mount pad one side, the inside sealing member that inlays of recess, the welding of sealing member one side has positioning spring, positioning spring one end with the welding of recess inner wall, the sealing member is used for as the encapsulation protector of picture peg and mount pad.
Compared with the prior art, the invention has the beneficial effects that:
the invention connects the monitoring equipment with the main steam inlet of the steam turbine regulating valve through the fixed seats arranged on the two sides of the mounting seat, so that a user can control the adjusting electromagnetic valve and the electric hydraulic push rod through the controller arranged above the monitoring device through the cover plate to realize the flexible control of the mounting seat and the monitoring box, therefore, the steam conveyed to the main steam inlet of the steam turbine valve can firstly carry out state monitoring on the conveyed steam through the monitoring box in the monitoring device, thereby meeting the requirements of the application conditions of the optimal efficiency of the operation of the steam turbine governor, realizing the operation of the steam turbine and the governor with the maximum power generation efficiency during the actual application production so as to realize the maximization of the resource utilization, thereby effectively improving the utilization rate of the steam and improving the generating efficiency of the power plant, and further effectively making up the defects in the prior art.
Drawings
FIG. 1 is a schematic view of an overall half-section configuration of the present invention;
FIG. 2 is a schematic view of a half-section of a monitoring device according to the present invention;
FIG. 3 is a schematic view of a half-section of the mounting base of the present invention;
FIG. 4 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 5 is a schematic top view of the present invention;
FIG. 6 is a left side view of the present invention;
FIG. 7 is a schematic right-view structural diagram of the present invention;
FIG. 8 is a schematic front view of the present invention;
fig. 9 is a diagram of the connection of components of the present invention.
In the figure: 1-a monitoring device; 11-a cover plate; 12-a controller; 13-an alarm; 14-monitoring box; 15-a filter screen; 16-a transfer pipe; 17-a solenoid valve; 18-a battery; 19-a support frame; 2-mounting a base; 21-a connecting frame; 22-a fixed seat; 23-a connecting tube; 24-mounting a cover; 25-inserting plates; 26-fixing plate; 27-a separator; 28-an electro-hydraulic push rod; 29-a groove; 291-a seal; 292-positioning spring.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1-9, the present invention provides a technical solution: a monitoring device for a steam turbine damper based on a power plant comprises a monitoring device 1 and a mounting seat 2, wherein the middle part of one side of the mounting seat 2 is fixedly connected with a connecting frame 21 through a bolt, the connecting frame 21 is in an X shape, one end of the connecting frame 21 is fixedly connected with the monitoring device 1 through the bolt, the monitoring device 1 and the mounting seat 2 can be effectively connected and limited through the connecting frame 21, so that the monitoring device 1 can effectively monitor the mounting seat 2, the middle part of the upper surface of the monitoring device 1 is rotatably connected with a cover plate 11 through a hinge, the cover plate 11 is spliced with the monitoring device 1, the monitoring device 1 can be effectively protected through the cover plate 11, one side of the lower surface of the cover plate 11 is fixedly connected with a controller 12 through a bolt, the controller 12 is an SPD-070-AVT controller, and the alarm 13 is fixedly connected to the middle part of the upper surface of the cover plate 11 through a bolt, the alarm 13 is an alarm horn of WT-PS type, can effectively realize that an alarm is sent out at an emergency moment through the alarm 13, and further, the emergency signal is transmitted in the first time, so that the user can conveniently carry out control and maintenance, the input end of the alarm 13 is in electric signal connection with the output end of the controller 12, the middle parts of the periphery of the inner wall of the monitoring device 1 are fixedly connected with a monitoring box 14 through bolts, the periphery of the inner wall of the monitoring box 14, which is close to the top end and the bottom end, is fixedly connected with a filter screen 15 through bolts, the filter screen 15 is used as a filtering device for steam, the middle part of one side of the inner wall of the monitoring device 1, which is close to the two ends, is fixedly connected with a support frame 19 through bolts, the support frame 19 is used as a limiting device of the monitoring box 14, the middle part of one side of the support frame 19, which is close to one end, is fixedly connected with an air pressure sensor through bolts, and one end of the air pressure sensor penetrates through the monitoring box 14, the periphery of the air pressure sensor is fixedly connected with the clamping piece and the monitoring box 14 through bolts, the model of the air pressure sensor is BMP180, the air pressure sensor is used as a pressure detection device for steam in the monitoring box 14, the output end of the air pressure sensor is in electric signal connection with the input end of the controller 12, the middle part of one side of the supporting frame 19 is close to the other end of the supporting frame and is fixedly connected with a temperature sensor through bolts, one end of the temperature sensor penetrates through the monitoring box 14, the periphery of the temperature sensor is fixedly connected with the clamping piece and the monitoring box 14 through bolts, the model of the temperature sensor is WZPK-240, the temperature sensor is used as a whole temperature detection device in the monitoring box 14, the output end of the temperature sensor is in electric signal connection with the input end of the controller 12, and the middle part of one side of the supporting frame 19 is fixedly connected with a gas flowmeter through bolts, and one end of the gas flowmeter penetrates through the monitoring box 14, the periphery of the gas flowmeter is fixedly connected with the monitoring box 14 through bolts and clamping pieces, the model of the gas flowmeter is an ND65 gas flowmeter, the gas flowmeter is used as a detection device for the steam gas flow and the flow velocity in the monitoring box 14, the output end of the gas flowmeter is electrically connected with the input end of the controller 12, one side of the support frame 19 of the adjacent surface of the gas flowmeter and the temperature sensor is fixedly connected with a humidity sensor through bolts, one end of the humidity sensor penetrates through the monitoring box 14, the periphery of the humidity sensor is fixedly connected with the monitoring box 14 through bolts and clamping pieces, the model of the humidity sensor is an HR202L humidity sensor, the humidity sensor is used as a detection device for the steam concentration in the monitoring box 14, and the output end of the humidity sensor is electrically connected with the input end of the controller 12, the upper surface and the middle part of the lower surface of the monitoring box 14 are respectively inserted with a transmission pipe 16, one end of a connecting pipe 23 penetrates through a monitoring device 1 and is fixedly connected with the transmission pipe 16 through a flange and a bolt, the monitoring device 1 can be effectively communicated with a fixed seat 22 through the transmission pipe 16 and the connecting pipe 23, one end of the transmission pipe 16 close to one end is fixedly connected with an electromagnetic valve 17 through a bolt, the input end of the electromagnetic valve 17 is electrically connected with the output end of the controller 12, the electromagnetic valve 17 is an NHT025-08 electromagnetic valve, the start and stop of the transmission pipe 16 during steam transmission can be effectively controlled through the electromagnetic valve 17, one side of the lower surface of the inner wall of the monitoring device 1 is fixedly connected with a storage battery 18 through a bolt, the storage battery 18 is a 6-QW-70-L storage battery, and the output end of the storage battery 18 is electrically connected with the input end of the controller 12, the utility model discloses a steam turbine control system, including mount pad 2, mount pad 22, installation cover 24, mounting seat 2, fixing base 22, connecting pipe 23 and fixing base 22, the mounting seat 2 upper surface all is through bolt fixedly connected with fixing base 22 with the lower surface, mounting seat 2 all is hollow cylinder type with fixing base 22, and mounting seat 2 internal diameter size is less than fixing base 22 internal diameter size, fixing base 22 one side is through bolt fixedly connected with installation cover 24, installation cover 24 is used for as the fixed device of being connected with power plant steam turbine control main steam import for power plant steam turbine control main steam import can be effectual carries out the control to the steam of transport when carrying steam, fixing base 22 one side middle part is pegged graft and is had connecting pipe 23, and connecting pipe 23 passes through bolt fixed connection with fixing base 22 through the bolt, connecting pipe 23 communicates with fixing base 22, two connecting pipe 23 one end with monitoring device 1 pegs graft, and connecting pipe 23 passes through bolt fixed connection with monitoring device 1, mount pad 2 one side middle part is pegged graft and is had picture peg 25, the inserting plate 25 is used as a closing device of the mounting seat 2, so that steam can be effectively controlled to start and stop through the inserting plate 25 when being conveyed through the mounting seat 2, a user can close the electromagnetic valve 17 through the controller 12 to cut off the communication between the transmission pipe 16 and the connecting pipe 23, and the input steam can be directly conveyed through the mounting seat 2 and the fixing seat 22, one end of the inserting plate 25 penetrates through the mounting seat 2 and is fixedly connected with a fixing plate 26 through a bolt, the fixing plate 26 is in a boss shape, a partition plate 27 is fixedly connected to the positions, close to the top end and the bottom end, of one side of the fixing plate 26, an electric hydraulic push rod 28 is fixedly connected to the middle of one side of the partition plate 27 through a bolt, the electric hydraulic push rod 28 is TJC-C4 in type, and one side of the electric hydraulic push rod 28 is fixedly connected to the fixing seat 22 through a bolt, can effectually drive fixed plate 26 directional removal through baffle 27 through electronic hydraulic push rod 28 to make picture peg 25 can be effectual to the steam implementation of carrying in mount pad 2 open stop control, electronic hydraulic push rod 28 input with controller 12 output end signal connection, electronic hydraulic push rod 28 is used for as picture peg 25 at the inside drive arrangement of mount pad 2, picture peg 25 outlying recess 29 has been seted up to mount pad 2 one side, recess 29 is type of calligraphy, recess 29 is inside to be inlayed and to have sealing member 291, the welding of sealing member 291 one side has positioning spring 292, positioning spring 292 one end with the welding of recess 29 inner wall, sealing member 291 is used for as the encapsulation protector of picture peg 25 with mount pad 2 for picture peg 25 can effectually implement when inserting in mount pad 2 and seal.
The second embodiment:
referring to fig. 1-9, the present invention provides a technical solution: a monitoring device for a steam turbine damper based on a power plant comprises a monitoring device 1 and a mounting seat 2, wherein the middle part of one side of the mounting seat 2 is fixedly connected with a connecting frame 21 through a bolt, the connecting frame 21 is in an X shape, one end of the connecting frame 21 is fixedly connected with the monitoring device 1 through the bolt, the monitoring device 1 and the mounting seat 2 can be effectively connected and limited through the connecting frame 21, so that the monitoring device 1 can effectively monitor the mounting seat 2, the middle part of the upper surface of the monitoring device 1 is rotatably connected with a cover plate 11 through a hinge, the cover plate 11 is spliced with the monitoring device 1, the monitoring device 1 can be effectively protected through the cover plate 11, one side of the lower surface of the cover plate 11 is fixedly connected with a controller 12 through a bolt, the controller 12 is an SPD-070-AVT controller, and the alarm 13 is fixedly connected to the middle part of the upper surface of the cover plate 11 through a bolt, the alarm 13 is an alarm horn of WT-PS type, can effectively realize that an alarm is sent out at an emergency moment through the alarm 13, and further, the emergency signal is transmitted in the first time, so that the user can conveniently carry out control and maintenance, the input end of the alarm 13 is in electric signal connection with the output end of the controller 12, the middle parts of the periphery of the inner wall of the monitoring device 1 are fixedly connected with a monitoring box 14 through bolts, the periphery of the inner wall of the monitoring box 14, which is close to the top end and the bottom end, is fixedly connected with a filter screen 15 through bolts, the filter screen 15 is used as a filtering device for steam, the middle part of one side of the inner wall of the monitoring device 1, which is close to the two ends, is fixedly connected with a support frame 19 through bolts, the support frame 19 is used as a limiting device of the monitoring box 14, the middle part of one side of the support frame 19, which is close to one end, is fixedly connected with an air pressure sensor through bolts, and one end of the air pressure sensor penetrates through the monitoring box 14, the periphery of the air pressure sensor is fixedly connected with the clamping piece and the monitoring box 14 through bolts, the model of the air pressure sensor is BMP180, the air pressure sensor is used as a pressure detection device for steam in the monitoring box 14, the output end of the air pressure sensor is in electric signal connection with the input end of the controller 12, the middle part of one side of the supporting frame 19 is close to the other end of the supporting frame and is fixedly connected with a temperature sensor through bolts, one end of the temperature sensor penetrates through the monitoring box 14, the periphery of the temperature sensor is fixedly connected with the clamping piece and the monitoring box 14 through bolts, the model of the temperature sensor is WZPK-240, the temperature sensor is used as a whole temperature detection device in the monitoring box 14, the output end of the temperature sensor is in electric signal connection with the input end of the controller 12, and the middle part of one side of the supporting frame 19 is fixedly connected with a gas flowmeter through bolts, and one end of the gas flowmeter penetrates through the monitoring box 14, the periphery of the gas flowmeter is fixedly connected with the monitoring box 14 through bolts and clamping pieces, the model of the gas flowmeter is an ND65 gas flowmeter, the gas flowmeter is used as a detection device for the steam gas flow and the flow velocity in the monitoring box 14, the output end of the gas flowmeter is electrically connected with the input end of the controller 12, one side of the support frame 19 of the adjacent surface of the gas flowmeter and the temperature sensor is fixedly connected with a humidity sensor through bolts, one end of the humidity sensor penetrates through the monitoring box 14, the periphery of the humidity sensor is fixedly connected with the monitoring box 14 through bolts and clamping pieces, the model of the humidity sensor is an HR202L humidity sensor, the humidity sensor is used as a detection device for the steam concentration in the monitoring box 14, and the output end of the humidity sensor is electrically connected with the input end of the controller 12, the upper surface and the middle part of the lower surface of the monitoring box 14 are respectively inserted with a transmission pipe 16, one end of a connecting pipe 23 penetrates through a monitoring device 1 and is fixedly connected with the transmission pipe 16 through a flange and a bolt, the monitoring device 1 can be effectively communicated with a fixed seat 22 through the transmission pipe 16 and the connecting pipe 23, one end of the transmission pipe 16 close to one end is fixedly connected with an electromagnetic valve 17 through a bolt, the input end of the electromagnetic valve 17 is electrically connected with the output end of the controller 12, the electromagnetic valve 17 is an NHT025-08 electromagnetic valve, the start and stop of the transmission pipe 16 during steam transmission can be effectively controlled through the electromagnetic valve 17, one side of the lower surface of the inner wall of the monitoring device 1 is fixedly connected with a storage battery 18 through a bolt, the storage battery 18 is a 6-QW-70-L storage battery, and the output end of the storage battery 18 is electrically connected with the input end of the controller 12, the utility model discloses a steam turbine control system, including mount pad 2, mount pad 22, installation cover 24, mounting seat 2, fixing base 22, connecting pipe 23 and fixing base 22, the mounting seat 2 upper surface all is through bolt fixedly connected with fixing base 22 with the lower surface, mounting seat 2 all is hollow cylinder type with fixing base 22, and mounting seat 2 internal diameter size is less than fixing base 22 internal diameter size, fixing base 22 one side is through bolt fixedly connected with installation cover 24, installation cover 24 is used for as the fixed device of being connected with power plant steam turbine control main steam import for power plant steam turbine control main steam import can be effectual carries out the control to the steam of transport when carrying steam, fixing base 22 one side middle part is pegged graft and is had connecting pipe 23, and connecting pipe 23 passes through bolt fixed connection with fixing base 22 through the bolt, connecting pipe 23 communicates with fixing base 22, two connecting pipe 23 one end with monitoring device 1 pegs graft, and connecting pipe 23 passes through bolt fixed connection with monitoring device 1, mount pad 2 one side middle part is pegged graft and is had picture peg 25, the inserting plate 25 is used as a sealing device of the mounting seat 2, so that steam can be effectively controlled to start and stop through the inserting plate 25 when being conveyed through the mounting seat 2, a user can open the electromagnetic valve 17 through the controller 12 to communicate the transmission pipe 16 with the connecting pipe 23, and further, when the input steam is blocked to be introduced into the mounting seat 2, the input steam is guided and transmitted through the transmission pipe 16 in the monitoring device 1, so that the input steam can be monitored through the air pressure sensor, the temperature sensor, the gas flow meter and the humidity sensor on the supporting frame 19 when being introduced into the monitoring box 14 in the monitoring device 1, the introduced steam can be effectively detected, the safety and stability of the conveyed steam can meet the requirements of a steam turbine regulating door of a power plant, and further, the steam can be conveyed through the fixing seat 22 and the monitoring device 1, one end of the inserting plate 25 penetrates through the mounting seat 2 and is fixedly connected with the fixing plate 26 through bolts, the fixed plate 26 is of a boss type, the top end and the bottom end are close to one side of the fixed plate 26 and are respectively connected with a partition plate 27 through bolts, the middle part of one side of the partition plate 27 is connected with an electric hydraulic push rod 28 through bolts, the model of the electric hydraulic push rod 28 is TJC-C4, one side of the electric hydraulic push rod 28 is fixedly connected with the fixed seat 22 through bolts, the electric hydraulic push rod 28 can effectively drive the fixed plate 26 to move directionally through the partition plate 27, so that the inserting plate 25 can effectively control the starting and stopping of steam conveyed in the installing seat 2, the input end of the electric hydraulic push rod 28 is electrically connected with the output end of the controller 12, the electric hydraulic push rod 28 is used as a driving device of the inserting plate 25 in the installing seat 2, the inserting plate 25 is peripheral, one side of the installing seat 2 is provided with a groove 29, the groove 29 is in a convex shape, a sealing element 291 is inlaid in the groove 29, a positioning spring 292 is welded on one side of the sealing element 291, one end of the positioning spring 292 is welded on the inner wall of the groove 29, and the sealing element 291 is used as an encapsulation protection device for the insertion plate 25 and the installation seat 2, so that the insertion plate 25 can be effectively sealed when being inserted into the installation seat 2.
The working principle is as follows: when the steam transmission device is used, the fixed seat 22 above the mounting seat 2 is fixedly connected with the main steam inlet of the power plant steam turbine governing valve, so that a user starts the electromagnetic valve 17 through the controller 12 to enable the electromagnetic valve 17 to cut off the communication between the transmission pipe 16 and the connecting pipe 23, and simultaneously drives the electric hydraulic push rod 28 through the controller 12 to enable the electric hydraulic push rod 28 to drive the insert plate 25 to be drawn out in the mounting seat 2 through the partition plate 27 and the fixed plate 26, so that the transmitted steam can be transmitted through the mounting seat 2 and the fixed seats 22 on the upper side and the lower side of the mounting seat, simultaneously opens the electromagnetic valve 17 through the controller 12 to enable the connecting pipe 23 to be communicated with the transmission pipe 16, and simultaneously controls the electric hydraulic push rod 28 through the controller 12 to enable the electric hydraulic push rod 28 to drive the insert plate 25 in the mounting seat 2 so that the insert plate 25 seals the mounting seat 2, thereby make the steam of carrying can implement through the fixing base 22 of mount pad 2 upper and lower both sides and monitoring device 1 and carry can, when monitoring box 14 in the monitoring device 1, can be effectual to the steam implementation real time monitoring of the inside circulation of monitoring box 14 through pressure sensor, temperature sensor, gas flowmeter and the humidity transducer that support frame 19 was equipped with.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A monitoring device for a throttle of a turbine in a power plant, comprising:
a monitoring device (1);
a mounting seat (2);
The middle part of one side of the installation seat (2) is fixedly connected with a connecting frame (21) through a bolt, one end of the connecting frame (21) is fixedly connected with the monitoring device (1) through a bolt, the upper surface and the lower surface of the installation seat (2) are fixedly connected with a fixed seat (22) through bolts, the middle part of one side of the fixed seat (22) is inserted with a connecting pipe (23), the connecting pipe (23) is fixedly connected with the fixed seat (22) through a bolt, one end of each of the two connecting pipes (23) is inserted with the monitoring device (1), and the connecting pipe (23) is fixedly connected with the monitoring device (1) through a bolt;
wherein, mount pad (2) one side middle part is pegged graft and is had picture peg (25), picture peg (25) are used for as the closing means of mount pad (2), monitoring device (1) still includes: a cover plate (11); a monitoring box (14); a transfer tube (16); wherein, the middle part of the upper surface of the monitoring device (1) is rotatably connected with a cover plate (11) through a hinge, the cover plate (11) is inserted with the monitoring device (1), one side of the lower surface of the cover plate (11) is fixedly connected with a controller (12) through a bolt, the middle part of the upper surface of the cover plate (11) is fixedly connected with an alarm (13) through a bolt, the input end of the alarm (13) is electrically connected with the output end of the controller (12), the middle part of the periphery of the inner wall of the monitoring device (1) is fixedly connected with a monitoring box (14) through a bolt, transmission pipes (16) are inserted in the middle parts of the upper surface and the lower surface of the monitoring box (14), one end of each connecting pipe (23) penetrates through the monitoring device (1) and the transmission pipes (16) and is fixedly connected with the bolt through a flange, the transmission pipes (16) are close to one end and are fixedly connected with an electromagnetic valve (17) through a bolt, solenoid valve (17) input with controller (12) output signal of telecommunication connects, monitoring device (1) inner wall lower surface one side is through bolt fixedly connected with battery (18), battery (18) output with controller (12) input electric connection, picture peg (25) still include: electronic hydraulic rod (28), picture peg (25) one end runs through mount pad (2) through bolt fixedly connected with fixed plate (26), fixed plate (26) one side is close to top and bottom department and all passes through bolt fixedly connected with baffle (27), baffle (27) one side middle part is through bolt fixedly connected with electronic hydraulic rod (28), electronic hydraulic rod (28) one side pass through the bolt with fixing base (22) fixed connection, electronic hydraulic rod (28) input with controller (12) output electricity signal connection, electronic hydraulic rod (28) are used for as picture peg (25) at the inside drive arrangement of mount pad (2).
2. The monitoring device for a steam turbine damper of a power plant according to claim 1, wherein: the monitoring box (14) further comprises:
a filter screen (15);
the periphery of the inner wall of the monitoring box (14), which is close to the top end and the bottom end, is fixedly connected with a filter screen (15) through bolts, and the filter screen (15) is used as a steam filtering device;
wherein, monitoring device (1) inner wall one side middle part is close to both ends department and all has support frame (19) through bolt fixedly connected with, support frame (19) are used for the stop device as control box (14).
3. The monitoring device for a steam turbine damper of a power plant according to claim 2, wherein: the support frame (19) further comprises:
an air pressure sensor;
the middle part of one side of the support frame (19) close to one end is fixedly connected with an air pressure sensor through a bolt, one end of the air pressure sensor penetrates through the monitoring box (14), and the periphery of the air pressure sensor is fixedly connected with the clamping piece and the monitoring box (14) through bolts;
the air pressure sensor is used as a pressure detection device for steam in the monitoring box (14), and the output end of the air pressure sensor is connected with an electric signal at the input end of the controller (12).
4. The monitoring device for the damper of the turbine of the power plant according to claim 3, wherein: the support frame (19) further comprises:
a temperature sensor;
the middle part of one side of the support frame (19) close to the other end is fixedly connected with a temperature sensor through a bolt, one end of the temperature sensor penetrates through the monitoring box (14), and the periphery of the temperature sensor is fixedly connected with the clamping piece and the monitoring box (14) through bolts;
the temperature sensor is used as a temperature detection device of the whole inside of the monitoring box (14), and the output end of the temperature sensor is connected with an electric signal of the input end of the controller (12).
5. The monitoring device for the throttle valve of the steam turbine of the power plant according to claim 4, wherein: the support frame (19) further comprises:
a gas flow meter;
the middle part of one side of the support frame (19) is fixedly connected with a gas flowmeter through a bolt, one end of the gas flowmeter penetrates through the monitoring box (14), and the periphery of the gas flowmeter is fixedly connected with the clamping piece and the monitoring box (14) through bolts;
the gas flowmeter is used as a detection device for monitoring the steam gas flow and flow speed in the box (14), and the output end of the gas flowmeter is in electric signal connection with the input end of the controller (12).
6. The monitoring device for a steam turbine damper of a power plant according to claim 5, wherein: the support frame (19) further comprises:
a humidity sensor;
one side of the support frame (19) on the adjacent surface of the gas flowmeter and the temperature sensor is fixedly connected with a humidity sensor through a bolt, one end of the humidity sensor penetrates through the monitoring box (14), and the periphery of the humidity sensor is fixedly connected with the clamping piece and the monitoring box (14) through bolts;
the humidity sensor is used as a device for detecting the concentration of steam in the monitoring box (14), and the output end of the humidity sensor is connected with an electric signal at the input end of the controller (12).
7. The monitoring device for a steam turbine damper of a power plant according to claim 1, wherein: fixing base (22) one side is through bolt fixedly connected with installation cover (24), installation cover (24) are used for as the connection fixing device with power plant steam turbine governing door main steam import, link (21) are the X type.
8. The monitoring device for a steam turbine damper of a power plant according to claim 1, wherein: inserting plate (25) outlying recess (29) have been seted up to mount pad (2) one side, recess (29) inside embedding has sealing member (291), the welding of sealing member (291) one side has positioning spring (292), positioning spring (292) one end with recess (29) inner wall welding, sealing member (291) are used for as the encapsulation protector of inserting plate (25) and mount pad (2).
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| CN201910933668.4A CN110645057B (en) | 2019-09-29 | 2019-09-29 | Monitoring equipment for adjusting door based on steam turbine of power plant |
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| CN201910933668.4A CN110645057B (en) | 2019-09-29 | 2019-09-29 | Monitoring equipment for adjusting door based on steam turbine of power plant |
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| CN110645057B true CN110645057B (en) | 2022-06-10 |
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| CN110645057A (en) | 2020-01-03 |
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