CN114458406B - Steam conveying control system for power plant - Google Patents
Steam conveying control system for power plant Download PDFInfo
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- CN114458406B CN114458406B CN202210039729.4A CN202210039729A CN114458406B CN 114458406 B CN114458406 B CN 114458406B CN 202210039729 A CN202210039729 A CN 202210039729A CN 114458406 B CN114458406 B CN 114458406B
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- 239000007788 liquid Substances 0.000 claims description 29
- 230000005540 biological transmission Effects 0.000 claims description 27
- 238000002485 combustion reaction Methods 0.000 claims description 23
- 238000001514 detection method Methods 0.000 claims description 17
- 239000008236 heating water Substances 0.000 claims description 14
- 239000000523 sample Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 16
- 238000003466 welding Methods 0.000 description 8
- 238000003303 reheating Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K11/00—Plants characterised by the engines being structurally combined with boilers or condensers
- F01K11/02—Plants characterised by the engines being structurally combined with boilers or condensers the engines being turbines
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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
- F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01D15/08—Adaptations for driving, or combinations with, pumps
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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
- F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01D15/12—Combinations with mechanical gearing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K9/00—Plants characterised by condensers arranged or modified to co-operate with the engines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B33/00—Steam-generation plants, e.g. comprising steam boilers of different types in mutual association
- F22B33/18—Combinations of steam boilers with other apparatus
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
- F22D11/00—Feed-water supply not provided for in other main groups
- F22D11/02—Arrangements of feed-water pumps
- F22D11/06—Arrangements of feed-water pumps for returning condensate to boiler
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
- G01K1/146—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations arrangements for moving thermometers to or from a measuring position
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Thermal Sciences (AREA)
- General Physics & Mathematics (AREA)
- Water Supply & Treatment (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The invention belongs to the field of power plants, in particular to a steam conveying control system for a power plant, aiming at the problems that the steam produced by the existing power plant is conveyed through a pipeline generally, heat can escape if the pipeline is damaged, energy is wasted, and the sprayed high-temperature steam is easy to hurt people and causes damages if overhauling is not found in time.
Description
Technical Field
The invention relates to the technical field of power plants, in particular to a steam conveying control system for a power plant.
Background
The thermal power plant is a plant for producing electric energy by using combustible matters (such as coal) as fuel, and the basic production process is as follows: the fuel heats water to generate steam when being combusted, chemical energy of the fuel is converted into heat energy, steam pressure drives a steam turbine to rotate, the heat energy is converted into mechanical energy, then the steam turbine drives a generator to rotate, the mechanical energy is converted into electric energy, a prime motor is usually a steam engine or a steam turbine, and in some smaller power stations, an internal combustion engine is possibly used, and the internal combustion engine generates electricity through pressure drop in the process of changing high-temperature, high-pressure steam or gas into low-pressure air or condensed water through the turbine;
the steam produced by the power plant is generally conveyed through a pipeline, if the pipeline is damaged, heat can escape, energy is wasted, and if overhaul is not timely found, the sprayed high-temperature steam is easy to hurt people and people.
Disclosure of Invention
The invention aims to solve the defects that in the prior art, steam produced by a power plant is generally conveyed through a pipeline, heat can escape if the pipeline is damaged, energy is wasted, and if overhaul is not found in time, the sprayed high-temperature steam is easy to damage people and the like.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a be used for power plant steam delivery control system, includes combustion tower, steam delivery pipeline, steam turbine and condenser, the combustion tower is connected with steam delivery pipeline, steam delivery pipeline's one end is connected with steam turbine, be connected with the condenser pipe on the steam turbine, the one end and the condenser of condenser pipe are connected with the back flow on the condenser, the one end of back flow is connected with the collector shell, be provided with conveying mechanism on the collector shell, be provided with leak detection mechanism on the steam delivery pipeline, be provided with the heating water tank in the combustion tower, and be provided with the preheating tube on the combustion tower inner wall, the one end and the conveying mechanism of preheating tube are connected, the other end and the heating water tank switch-on of preheating tube, be provided with the reheat pipe in the combustion tower, the reheat pipe is put through with the heating water tank.
Preferably, the leakage detection mechanism comprises a shell arranged on the steam conveying pipeline, a rotating shaft is rotatably arranged in the shell, a plurality of impeller blades are arranged on the rotating shaft, one end of the rotating shaft extends to the outer side of the shell and is fixedly connected with a worm, and the impeller blades and the rotating shaft can be driven to rotate when high-temperature and high-pressure steam passes through the impeller blades.
Preferably, the leakage detection mechanism further comprises a support frame arranged on the steam conveying pipeline, first bearings are arranged on the support frame and the shell, the two first bearings are internally provided with the same first rotating rod, one end of the first rotating rod is fixedly connected with a worm wheel, the worm wheel is meshed with a worm, and the worm can drive the worm wheel to rotate and reduce speed lifting torsion.
Preferably, the top fixedly connected with rectangle frame of support frame, slidable mounting has the slider in the rectangle frame, and the reciprocating screw of rotatory installation in the rectangle frame has seted up the reciprocating screw through-hole on the slider, and the reciprocating screw sets up in the reciprocating screw through-hole, and the bottom of slider is provided with temperature-detecting probe, and reciprocating screw can drive the reciprocal displacement of slider.
Preferably, the other end fixedly connected with first belt pulley of first rotary rod, the one end of reciprocating screw extends to the outside of rectangle frame and fixedly connected with second belt pulley, and second belt pulley and the outside cover of first belt pulley are equipped with same first belt, and first belt pulley can drive the second belt pulley through first belt and rotate.
Preferably, the conveying mechanism comprises a conveying cylinder arranged in the liquid collecting shell, a piston is slidably arranged in the conveying cylinder, one side of the piston is connected with a sliding rod, one end of the preheating pipe is communicated with the conveying cylinder, a one-way liquid discharge valve is arranged in the preheating pipe, a one-way liquid inlet valve is arranged on the conveying cylinder, and liquid water can be conveyed into the preheating pipe when the piston moves back and forth.
Preferably, the conveying mechanism further comprises a transmission shell arranged on one side of the liquid collecting shell, a crankshaft is rotatably arranged in the transmission shell, a transmission rod is rotatably sleeved on the outer side of the crankshaft, one end of the sliding rod extends into the transmission shell and is rotatably connected with one end of the transmission rod, and the crankshaft can drive the sliding rod to reciprocate through the transmission rod.
Preferably, the top of drive casing is provided with two second bearings, is provided with same second rotary rod in two second bearings, and the outside fixed cover of second rotary rod is equipped with first bevel gear, and the top of bent axle extends to the outside of drive casing and fixedly connected with second bevel gear, and second bevel gear meshes with first bevel gear mutually, and first bevel gear can drive second bevel gear rotation.
Preferably, one end of the reciprocating screw rod extends to the outer side of the rectangular frame and is fixedly connected with a third belt pulley, one end of the second rotary rod is fixedly connected with a fourth belt pulley, the same second belt is sleeved on the outer sides of the fourth belt pulley and the third belt pulley, and the third belt pulley drives the fourth belt pulley to rotate through the second belt.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the scheme, the shell is matched with the rotating shaft and the impeller blades, and the worm is matched with the worm wheel, so that a small part of capacity can be converted into mechanical energy in the process of conveying high-temperature high-pressure steam, and the worm wheel can rotate;
2. according to the scheme, the first belt pulley and the first belt are matched with the second belt pulley, and the reciprocating screw rod is matched with the sliding block, so that the sliding block can effectively drive the temperature detection probe to move back and forth, the steam conveying pipeline is comprehensively monitored, and the situation that the pipeline leakage cannot be overhauled in time, and larger accidents are caused is avoided;
3. according to the scheme, the third belt pulley and the second belt are matched with the fourth belt pulley, the first bevel gear is matched with the second bevel gear, and the crankshaft is matched with the slide rod and the piston through the transmission rod, so that the piston can reciprocate and convey water after steam condensation into the combustion tower again for heating and vaporization, and cyclic acting power generation is realized;
when the invention is used, the energy of the steam can be converted into mechanical energy, the condensed water can be recycled, and meanwhile, the steam conveying pipeline can be effectively and comprehensively checked, so that the occurrence of larger accidents caused by incapability of timely overhauling the pipeline due to leakage is avoided.
Drawings
FIG. 1 is a schematic diagram of a steam delivery control system for a power plant according to the present invention;
FIG. 2 is a schematic cross-sectional view of a burner tower for a power plant steam delivery control system according to the present invention;
FIG. 3 is a schematic view of a liquid collection housing for a vapor delivery control system of a power plant according to the present invention;
FIG. 4 is a schematic diagram of a transmission housing for a steam delivery control system of a power plant according to the present invention;
FIG. 5 is an enlarged schematic view of the structure of FIG. 1A for a steam delivery control system of a power plant according to the present invention;
FIG. 6 is a schematic diagram of a housing structure for a steam delivery control system of a power plant in accordance with the present invention;
FIG. 7 is a schematic top view of a rectangular frame for a power plant steam delivery control system according to the present invention;
fig. 8 is a schematic perspective view of an impeller blade for a steam delivery control system of a power plant according to the present invention.
In the figure: a combustion tower, 2 steam delivery pipes, 3 steam turbines, 4 condensers, 5 return pipes, 6 collector shells, 7 heating water tanks, 8 preheating pipes, 9 reheating pipes, 10 shells, 11 impeller blades, 12 worms, 13 first rotating rods, 14 worm gears, 15 rectangular frames, 16 sliding blocks, 17 reciprocating lead screws, 18 temperature detection probes, 19 first belt pulleys, 20 second belt pulleys, 21 first belts, 22 delivery drums, 23 pistons, 24 sliding rods, 25 transmission shells, 26 crankshafts, 27 transmission rods, 28 second rotating rods, 29 first bevel gears, 30 second bevel gears, 31 third belt pulleys, 32 fourth belt pulleys, and 33 second belts.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments.
Example 1
Referring to fig. 1 to 8, a steam delivery control system for a power plant comprises a combustion tower 1, a steam delivery pipeline 2, a steam turbine 3 and a condenser 4, wherein the combustion tower 1 is connected with the steam delivery pipeline 2, one end of the steam delivery pipeline 2 is connected with the steam turbine 3, a condenser pipe is connected to the steam turbine 3, one end of the condenser pipe is connected with the condenser 4, a return pipe 5 is connected to the condenser 4, one end of the return pipe 5 is connected with a liquid collecting shell 6, a delivery mechanism is arranged on the liquid collecting shell 6, a leakage detection mechanism is arranged on the steam delivery pipeline 2, a heating water tank 7 is arranged in the combustion tower 1, a preheating pipe 8 is arranged on the inner wall of the combustion tower 1, one end of the preheating pipe 8 is connected with the delivery mechanism, the other end of the preheating pipe 8 is communicated with the heating water tank 7, a reheating pipe 9 is arranged in the combustion tower 1, and the reheating pipe 9 is communicated with the heating water tank 7.
In this embodiment, the leak detection mechanism includes a casing 10 disposed on the steam delivery pipe 2, a rotating shaft is rotatably mounted in the casing 10, a plurality of impeller blades 11 are disposed on the rotating shaft, one end of the rotating shaft extends to the outside of the casing 10 and is fixedly connected with a worm 12 through welding, and when high-temperature and high-pressure steam passes through the impeller blades 11, the impeller blades 11 and the rotating shaft can be driven to rotate.
In this embodiment, the leak detection mechanism further includes a support frame disposed on the steam delivery pipe 2, first bearings are disposed on the support frame and the casing 10, a first rotating rod 13 is disposed in the two first bearings, one end of the first rotating rod 13 is fixedly connected with a worm wheel 14 through welding, the worm wheel 14 is meshed with a worm 12, and the worm 12 can drive the worm wheel 14 to rotate and reduce the speed and lifting torque.
In this embodiment, the top of the support frame is fixedly connected with a rectangular frame 15, a sliding block 16 is slidably mounted in the rectangular frame 15, a reciprocating screw 17 is rotatably mounted in the rectangular frame 15, a reciprocating screw through hole is formed in the sliding block 16, the reciprocating screw 17 is arranged in the reciprocating screw through hole, a temperature detection probe 18 is arranged at the bottom of the sliding block 16, and the reciprocating screw 17 can drive the sliding block 16 to reciprocate.
In this embodiment, the other end of the first rotary rod 13 is fixedly connected with a first belt pulley 19 through welding, one end of the reciprocating screw 17 extends to the outer side of the rectangular frame 15 and is fixedly connected with a second belt pulley 20 through welding, the second belt pulley 20 and the outer side of the first belt pulley 19 are sleeved with the same first belt 21, and the first belt pulley 19 can drive the second belt pulley 20 to rotate through the first belt 21.
In this embodiment, the conveying mechanism includes a conveying cylinder 22 disposed in the liquid collecting housing 6, a piston 23 is slidably mounted in the conveying cylinder 22, one side of the piston 23 is connected with a slide bar 24, one end of the preheating pipe 8 is connected with the conveying cylinder 22, a unidirectional liquid discharge valve is disposed in the preheating pipe 8, a unidirectional liquid inlet valve is disposed on the conveying cylinder 22, and liquid water can be conveyed into the preheating pipe 8 when the piston 23 reciprocates.
In this embodiment, the conveying mechanism further includes a transmission housing 25 disposed on one side of the liquid collecting housing 6, a crankshaft 26 is rotatably mounted in the transmission housing 25, a transmission rod 27 is rotatably sleeved on the outer side of the crankshaft 26, one end of the sliding rod 24 extends into the transmission housing 25 and is rotatably connected with one end of the transmission rod 27, and the crankshaft 26 can drive the sliding rod 24 to reciprocate through the transmission rod 27.
In this embodiment, two second bearings are disposed at the top of the transmission housing 25, the same second rotary rod 28 is disposed in the two second bearings, a first bevel gear 29 is disposed on the outer side of the second rotary rod 28 through a welding fixing sleeve, the top end of the crankshaft 26 extends to the outer side of the transmission housing 25 and is fixedly connected with a second bevel gear 30 through welding, the second bevel gear 30 is meshed with the first bevel gear 29, and the first bevel gear 29 can drive the second bevel gear 30 to rotate.
In this embodiment, one end of the reciprocating screw 17 extends to the outside of the rectangular frame 15 and is fixedly connected with a third belt pulley 31 through welding, one end of the second rotary rod 28 is fixedly connected with a fourth belt pulley 32 through welding, the fourth belt pulley 32 and the outside of the third belt pulley 31 are sleeved with the same second belt 33, and the third belt pulley 31 drives the fourth belt pulley 32 to rotate through the second belt 33.
In this embodiment, the high temperature generated during combustion in the combustion tower 1 heats the water in the heating water tank 7, so that the water becomes steam after being heated and the pressure is increased, so that the steam enters the reheating pipe 9, the temperature of the steam is further increased, the higher the temperature of the steam is, the higher the energy conversion efficiency of the steam is, then the high temperature and high pressure steam enters the steam turbine 3 through the steam conveying pipeline 2 and drives the steam turbine 3 to operate, the conveyed mechanical energy can generate electricity, then the water condensed into liquid state in the condenser 4 by the steam enters the liquid collecting shell 6, in the process, the high temperature and high pressure steam can drive the rotating shaft through the impeller blade 11 to rotate, the rotating shaft drives the worm 12 to rotate, the worm 12 drives the worm wheel 14 to rotate and reduce the speed lifting torque, the worm wheel 14 drives the first belt pulley 19 to rotate through the first rotating rod 13, the first belt pulley 19 drives the second belt pulley 20 to rotate through the first belt 21, the second belt pulley 20 drives the reciprocating screw rod 17 to rotate, the reciprocating screw rod 17 can drive the sliding block 16 to reciprocate to move when rotating, so that the sliding block 16 can drive the temperature detection probe 18 to comprehensively monitor the steam conveying pipeline 2, meanwhile, the reciprocating screw rod 17 can drive the third belt pulley 31, the third belt pulley 31 drives the fourth belt pulley 32 to rotate through the second belt 33, the fourth belt pulley 32 drives the first bevel gear 29 to rotate through the second rotary rod 28, the first bevel gear 29 drives the second bevel gear 30 to rotate, the second bevel gear 30 drives the crankshaft 26 to rotate, the crankshaft 26 drives the sliding rod 24 to reciprocate five times through the transmission rod 27, and the sliding rod 24 can continuously convey liquid water in the liquid collecting shell 6 into the preheating pipe 8 when moving, the preheating pipe 8 preheats the liquid water and flows into the heating water tank 7.
Example two
The difference from the first embodiment is that: the leakage detection mechanism comprises a shell 10 arranged on the steam conveying pipeline 2, a rotating shaft is rotatably arranged in the shell 10, a plurality of impeller blades 11 are arranged on the rotating shaft, and one end of the rotating shaft extends to the outer side of the shell 10 and is fixedly connected with a bevel pinion; the leakage detection mechanism further comprises a support frame arranged on the steam conveying pipeline 2, first bearings are arranged on the support frame and the shell 10, the same first rotary rod 13 is arranged in the two first bearings, one end of the first rotary rod 13 is fixedly connected with a large bevel gear, and the large bevel gear is meshed with a small bevel gear.
In the invention, the high temperature generated during combustion in the combustion tower 1 heats the water in the heating water tank 7, so that the water becomes steam after being heated and the pressure is increased, the steam enters the reheating pipe 9, the temperature of the steam is further increased, the higher the temperature of the steam is, the higher the energy conversion efficiency of the steam is, then the high temperature and high pressure steam enters the steam turbine 3 through the steam conveying pipeline 2 and drives the steam turbine 3 to operate, the mechanical energy can be transmitted to generate electricity, then the water condensed into liquid state by the steam entering the condenser 4 flows into the liquid collecting shell 6, in the process, the high temperature and high pressure steam can drive the rotating shaft to rotate through the impeller blade 11, the rotating shaft drives the bevel pinion to rotate, the bevel pinion drives the bevel pinion to rotate and reduces the speed to lift the torsion, the worm wheel 14 drives the first belt pulley 19 to rotate through the first rotary rod 13, the first belt pulley 19 drives the second belt pulley 20 to rotate through the first belt 21, the second belt pulley 20 drives the reciprocating screw rod 17 to rotate, the reciprocating screw rod 17 can drive the sliding block 16 to reciprocate to move when rotating, the sliding block 16 can drive the temperature detection probe 18 to comprehensively monitor the steam conveying pipeline 2, meanwhile, the reciprocating screw rod 17 can drive the third belt pulley 31, the third belt pulley 31 drives the fourth belt pulley 32 to rotate through the second belt 33, the fourth belt pulley 32 drives the first bevel gear 29 to rotate through the second rotary rod 28, the first bevel gear 29 drives the second bevel gear 30 to rotate, the second bevel gear 30 drives the crankshaft 26 to rotate, the crankshaft 26 drives the sliding rod 24 to reciprocate five times through the transmission rod 27, and the liquid water in the liquid collecting shell 6 can be continuously conveyed into the preheating pipe 8 when the sliding rod 24 moves, the preheating pipe 8 preheats the liquid water and flows into the heating water tank 7.
The remainder is the same as in embodiment one.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (5)
1. The utility model provides a be used for power plant steam delivery control system, including combustion tower (1), steam delivery pipeline (2), steam turbine (3) and condenser (4), a serial communication port, combustion tower (1) is connected with steam delivery pipeline (2), the one end and the steam turbine (3) of steam delivery pipeline (2) are connected, be connected with the condenser pipe on steam turbine (3), the one end and the condenser (4) of condenser pipe are connected, be connected with back flow (5) on condenser (4), the one end of back flow (5) is connected with liquid collecting shell (6), be provided with conveying mechanism on liquid collecting shell (6), be provided with leakage detection mechanism on steam delivery pipeline (2), be provided with heating water tank (7) in combustion tower (1), and be provided with preheating pipe (8) on the inner wall of combustion tower (1), the one end and the conveying mechanism of preheating pipe (8) are connected, the other end and the heating water tank (7) of preheating pipe (8) are put through, be provided with reheat pipe (9) in combustion tower (1), reheat pipe (9) are put through with heating water tank (7);
the leakage detection mechanism comprises a shell (10) arranged on the steam conveying pipeline (2), a rotating shaft is rotatably arranged on the shell (10), a plurality of impeller blades (11) are arranged on the rotating shaft, and one end of the rotating shaft extends to the outer side of the shell (10) and is fixedly connected with a worm (12);
the leakage detection mechanism further comprises a support frame arranged on the steam conveying pipeline (2), first bearings are arranged on the support frame and the shell (10), the two first bearings are internally provided with the same first rotary rod (13), one end of the first rotary rod (13) is fixedly connected with a worm wheel (14), and the worm wheel (14) is meshed with the worm (12);
the top of the support frame is fixedly connected with a rectangular frame (15), a sliding block (16) is slidably arranged in the rectangular frame (15), a reciprocating screw (17) is rotatably arranged in the rectangular frame (15), a reciprocating screw through hole is formed in the sliding block (16), the reciprocating screw (17) is arranged in the reciprocating screw through hole, and a temperature detection probe (18) is arranged at the bottom of the sliding block (16);
the other end of the first rotary rod (13) is fixedly connected with a first belt pulley (19), one end of the reciprocating screw rod (17) extends to the outer side of the rectangular frame (15) and is fixedly connected with a second belt pulley (20), and the second belt pulley (20) and the outer side of the first belt pulley (19) are sleeved with the same first belt (21).
2. The steam delivery control system for the power plant according to claim 1, wherein the delivery mechanism comprises a delivery cylinder (22) arranged in a liquid collecting shell (6), a piston (23) is slidably arranged in the delivery cylinder (22), one side of the piston (23) is connected with a sliding rod (24), one end of a preheating pipe (8) is communicated with the delivery cylinder (22), a one-way liquid discharge valve is arranged in the preheating pipe (8), and a one-way liquid inlet valve is arranged on the delivery cylinder (22).
3. A steam delivery control system for a power plant according to claim 2, characterized in that the delivery mechanism further comprises a transmission housing (25) arranged at one side of the liquid collecting housing (6), a crankshaft (26) is rotatably mounted in the transmission housing (25), a transmission rod (27) is rotatably sleeved on the outer side of the crankshaft (26), and one end of the sliding rod (24) extends into the transmission housing (25) and is rotatably connected with one end of the transmission rod (27).
4. A steam delivery control system for a power plant according to claim 3, characterized in that the top of the transmission housing (25) is provided with two second bearings, in which the same second rotary rod (28) is arranged, the outside of the second rotary rod (28) is fixedly sleeved with a first bevel gear (29), the top end of the crankshaft (26) extends to the outside of the transmission housing (25) and is fixedly connected with a second bevel gear (30), and the second bevel gear (30) is meshed with the first bevel gear (29).
5. A steam delivery control system for a power plant according to claim 4, characterized in that one end of the reciprocating screw (17) extends to the outer side of the rectangular frame (15) and is fixedly connected with a third belt pulley (31), one end of the second rotary rod (28) is fixedly connected with a fourth belt pulley (32), and the fourth belt pulley (32) and the outer side of the third belt pulley (31) are sleeved with the same second belt (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210039729.4A CN114458406B (en) | 2022-01-14 | 2022-01-14 | Steam conveying control system for power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210039729.4A CN114458406B (en) | 2022-01-14 | 2022-01-14 | Steam conveying control system for power plant |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114458406A CN114458406A (en) | 2022-05-10 |
| CN114458406B true CN114458406B (en) | 2024-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210039729.4A Active CN114458406B (en) | 2022-01-14 | 2022-01-14 | Steam conveying control system for power plant |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014190276A (en) * | 2013-03-27 | 2014-10-06 | Mitsubishi Heavy Ind Ltd | Power generation system |
| CN108308686A (en) * | 2018-04-03 | 2018-07-24 | 谢桂林 | A kind of tobacco equipment exhausting moisture pipeline drainage device |
| CN212179615U (en) * | 2020-04-29 | 2020-12-18 | 江苏虞盛设备科技有限公司 | Steam recycling device of commercial water boiler |
| KR20210059905A (en) * | 2019-11-18 | 2021-05-26 | 한국중부발전(주) | Leakage detection method of Boiler spiral tube and method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP6368617B2 (en) * | 2014-10-29 | 2018-08-01 | 日立Ｇｅニュークリア・エナジー株式会社 | Power plant |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014190276A (en) * | 2013-03-27 | 2014-10-06 | Mitsubishi Heavy Ind Ltd | Power generation system |
| CN108308686A (en) * | 2018-04-03 | 2018-07-24 | 谢桂林 | A kind of tobacco equipment exhausting moisture pipeline drainage device |
| KR20210059905A (en) * | 2019-11-18 | 2021-05-26 | 한국중부발전(주) | Leakage detection method of Boiler spiral tube and method thereof |
| CN212179615U (en) * | 2020-04-29 | 2020-12-18 | 江苏虞盛设备科技有限公司 | Steam recycling device of commercial water boiler |
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| CN114458406A (en) | 2022-05-10 |
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Denomination of invention: A Steam Transport Control System for Power Plants Granted publication date: 20240130 Pledgee: Dongying Rural Commercial Bank Co.,Ltd. Pledgor: Dongying Weidi Thermal Power Co.,Ltd. Registration number: Y2024980015300 |