CN113756887B - Energy storage method for steam turbine generator - Google Patents
Energy storage method for steam turbine generator Download PDFInfo
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- CN113756887B CN113756887B CN202110977707.8A CN202110977707A CN113756887B CN 113756887 B CN113756887 B CN 113756887B CN 202110977707 A CN202110977707 A CN 202110977707A CN 113756887 B CN113756887 B CN 113756887B
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- water storage
- steam turbine
- boiler
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000004146 energy storage Methods 0.000 title claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 241
- 230000001105 regulatory effect Effects 0.000 claims abstract description 34
- 239000010813 municipal solid waste Substances 0.000 claims abstract description 9
- 239000007921 spray Substances 0.000 claims description 93
- 244000309464 bull Species 0.000 claims description 25
- 239000007788 liquid Substances 0.000 claims description 22
- 238000011010 flushing procedure Methods 0.000 claims description 13
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 6
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 6
- 241001330002 Bambuseae Species 0.000 claims description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 6
- 239000011425 bamboo Substances 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 230000000007 visual effect Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000005507 spraying Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract 1
- 238000005406 washing Methods 0.000 description 11
- 238000002485 combustion reaction Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000203 mixture Substances 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
- 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
- F01D21/14—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for responsive to other specific conditions
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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
- F01D15/10—Adaptations for driving, or combinations with, electric generators
-
- 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
- F22D1/00—Feed-water heaters, i.e. economisers or like preheaters
- F22D1/32—Feed-water heaters, i.e. economisers or like preheaters arranged to be heated by steam, e.g. bled from turbines
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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
- F22D1/00—Feed-water heaters, i.e. economisers or like preheaters
- F22D1/32—Feed-water heaters, i.e. economisers or like preheaters arranged to be heated by steam, e.g. bled from turbines
- F22D1/325—Schematic arrangements or control devices therefor
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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
- F22D1/00—Feed-water heaters, i.e. economisers or like preheaters
- F22D1/50—Feed-water heaters, i.e. economisers or like preheaters incorporating thermal de-aeration of feed-water
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G15/00—Details
- F28G15/04—Feeding and driving arrangements, e.g. power operation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G9/00—Cleaning by flushing or washing, e.g. with chemical solvents
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
The application relates to an energy storage method for a steam turbine generator, which specifically comprises the following steps that a garbage burning boiler is communicated with a same hot water storage tank, a certain amount of desalted water is injected into the hot water storage tank, and a safety valve is arranged on the hot water storage tank; the hot water storage tank and the communicating pipeline of the boiler are provided with regulating valves, when the load of the steam turbine generator is consistent with the maximum load of the steam turbine generator, the regulating valves are opened, so that steam enters the hot water storage tank until the load of the steam turbine generator is lower than the maximum load of the steam turbine generator; the hot water storage tank sets up the hot-water pump, and the hot-water pump communicates in boiler deaerator, and when turbo generator load was less than rated load, starts the hot-water pump for in the hot-water storage tank heated demineralized water is sent into boiler deaerator, with the steam consumption of reduction boiler, promotes boiler output, with the operation load that promotes turbo generator, possesses the fluctuation of turbo generator load in actual work and is difficult for great and need not because of turbo generator overload limit boiler output's effect.
Description
Technical Field
The present application relates to the field of steam energy storage, and in particular to an energy storage method for a steam turbine generator.
Background
Common household garbage is generally treated by burning in a boiler, and then high-pressure steam is generated to drive a turbine generator to operate so as to obtain a power supply.
The existing garbage incineration power plant generally has two or more boilers to drive one turbo generator, and the capacity of the turbo generator is generally smaller due to the economic consideration.
In view of the above-mentioned related art, the inventors consider that the components of the garbage are not completely the same, the heat generated during combustion in the boilers are different, and the operation load of the boilers is difficult to control, so that when the boilers are all in high-load operation, the turbo generator is easy to operate in overload, and when the boilers are in low-load operation, the turbo generator is easy to operate in low-load, and the defect that the turbo generator is easy to have large load fluctuation in actual operation exists.
Disclosure of Invention
In order to reduce load fluctuations of the turbo generator during actual operation, the present application provides an energy storage method for the turbo generator.
The energy storage method for the steam turbine generator adopts the following technical scheme:
an energy storage method for a steam turbine generator specifically comprises the following steps.
Step 1, communicating a garbage-burning boiler with a same hot water storage tank, injecting a certain amount of desalted water into the hot water storage tank, and arranging a safety valve on the hot water storage tank;
step 2, arranging a regulating valve on a communicating pipeline of the hot water storage tank and the boiler, when the load of the steam turbine generator is consistent with the maximum load of the steam turbine generator, opening the regulating valve to enable steam to enter the hot water storage tank, maintaining the steam turbine generator to run at the maximum load until the load of the steam turbine generator is lower than the maximum load of the steam turbine generator, and closing the regulating valve;
and 3, arranging a hot water pump in the hot water storage tank, wherein the hot water pump is communicated with the boiler deaerator, and when the load of the turbine generator is smaller than the rated load, starting the hot water pump to ensure that the desalted water heated in the hot water storage tank is sent into the boiler deaerator, so that the steam consumption of the boiler is reduced, and the output of the boiler is improved, so that the operating load of the turbine generator is improved.
Through adopting above-mentioned technical scheme for when the work load of boiler is being close to turbo generator's maximum load, open the governing valve, make in the boiler too much steam let in to the hot water storage tank, make turbo generator's load be difficult for too big, when the work load of boiler is less, the demineralized water in the hot water storage tank can be heated to the steam that sends into before in the hot water storage tank, then can send into the boiler deaerator with high temperature demineralized water through the hot-water pump, reduce steam consumption, make turbo generator's operation load be difficult for too little, make turbo generator load whole be difficult for too big or be too little, be difficult for producing great fluctuation, make the operation of equipment comparatively stable and safe, make turbo generator can comparatively stably work, and the condition of boiler combustion need not always be adjusted according to turbo generator's condition, make the boiler can keep higher rubbish processing rate always.
Optionally, in the step 2, the regulating valve is electrically connected with a regulating controller, the regulating controller is electrically connected with a steam turbine steam pressure sensor, the steam turbine steam pressure sensor is located in the main steam pipeline, and the regulating controller is electrically connected with a regulating power supply.
By adopting the technical scheme, the start of the regulating valve can be regulated and controlled automatically according to the steam pressure in the steam turbine generator, and the manual work is not required to pay attention to the internal air pressure value of the steam turbine generator too much, so that the regulating valve is more convenient.
Optionally, the hot water pump is connected in the bottom department of hot water storage tank, and bottom department in the hot water storage tank is equipped with temperature sensor and storage tank level gauge, and storage tank level gauge and temperature sensor electricity are connected in the regulation accuse machine, and the hot water storage tank is equipped with the water intaking valve, and the regulation accuse machine is connected in the water intaking valve in order to control the water intaking valve and opens and make the hot water storage tank in by the input demineralized water.
Through adopting above-mentioned technical scheme for when the inside demineralized water liquid level of hot water storage tank is lower or demineralized water reaches higher temperature, but automatic control water intaking valve opens, makes corresponding demineralized water pipeline input normal atmospheric temperature demineralized water in to the hot water storage tank, with the liquid level in the promotion hot water storage tank to normal liquid level or with the hot water storage tank in temperature carry out suitable reduction, so that the hot water storage tank can normally carry out the inhalation of boiler internal steam, helps the load of turbo generator difficult too big.
Optionally, a storage tank vapor pressure sensor is arranged at the upper part in the hot water storage tank, the storage tank vapor pressure sensor is electrically connected with an adjusting control machine, and the adjusting control machine is electrically connected with an audible and visual alarm.
By adopting the technical scheme, when the safety valve fails to work normally and the steam pressure in the hot water storage tank is overlarge, the audible and visual alarm gives an alarm to remind a worker to carry out emergency stop inspection.
Optionally, the hot water pump is connected with the regulation accuse machine electricity, and regulation accuse machine electricity is connected with the deaerator level gauge, and the deaerator level gauge is located the boiler deaerator, and regulation accuse machine electricity is connected with the hot water pump.
Through adopting above-mentioned technical scheme for when the hot water liquid level is lower in boiler deaerator, hot-water pump automatic control sends into boiler deaerator with the demineralized water in the hot water storage tank, makes the water level be difficult for too low in the boiler, makes the normal work of boiler produce sufficient steam and makes turbo generator carry out normal work.
Optionally, hot water storage tank intercommunication has reserve valve and blowoff valve, and the storage tank entry has been seted up to the hot water storage tank, and the sealed detachable inlet shrouding that is connected with of storage tank entry, hot water storage tank outside is equipped with the movable washing frame that gets into in the hot water storage tank of one end, and the washing frame has several can be towards the shower nozzle of hot water storage tank inner wall blowout high pressure water.
Through adopting above-mentioned technical scheme for when there is certain incrustation scale in hot water storage tank, send into the detergent through the reservation valve earlier, then discharge waste water through the blowoff valve again, remove the entry shrouding, then wash the frame and move into in the hot water storage tank, make the shower nozzle can be towards the inner wall blowout high-pressure water of hot water storage tank in order to wash hot water storage tank inner wall, in order to get rid of the incrustation scale in the hot water storage tank as far as possible, then get into to the hot water storage tank by the manual work again in carrying out a finer washing, make manual cleaning's work load greatly reduced.
Optionally, the hot water storage tank outside is equipped with a jar outer frame, and jar outer frame rotates and is connected with a set of driving roller, and the driving roller transmission is connected with driving belt, and driving belt is equipped with the belt piece of connecting in washing the frame and being located hot water storage tank outer tip, and jar outer frame has set up the guide bar, and the guide bar wears to locate the belt piece.
Through adopting above-mentioned technical scheme, the rotation of driving roller makes driving belt carry out the transmission for the belt piece carries out synchronous movement along with driving belt, makes the washing frame driven and carries out synchronous movement, so that send into the washing frame to hot water storage tank inside.
Optionally, the washing frame is including locating the end piece of belt piece, sealed rotation connection and communicate in the bull stick of end piece, revolute the axle wire of the axle and communicate in the several rows of shower nozzle poles of bull stick outer wall, every shower nozzle pole all corresponds to and communicates in a shower nozzle, and two adjacent shower nozzle spun high-pressure water of same row exist overlap range.
Through adopting above-mentioned technical scheme, outside high pressure water pump will water pump to the tip piece, then the rethread bull stick and shower nozzle pole are from the blowout in the shower nozzle to the bull stick drives all shower nozzles and rotates at the shower nozzle during operation, makes hot water storage tank circumference inner wall can obtain a comparatively abundant washing.
Optionally, the bull stick is located the tip rotation center point department intercommunication that the hot water storage tank is located has decides the spray lance, decides the equal sliding connection in spray lance both ends and has the initiative spray lance, and initiative spray lance intercommunication has the driven spray lance that is close to the inside terminal surface that the hot water storage tank offered the storage tank entry, decides spray lance, initiative spray lance and driven spray lance all offer the water jet towards the hot water storage tank inside terminal surface that is close to respectively, and the hot water storage tank is equipped with the spray lance driving mechanism that drives initiative spray lance along the radial removal of hot water storage tank.
Through adopting above-mentioned technical scheme for the tip inner wall of hot water storage tank also can be cleared up by better, further reduces the work load when artifical follow-up washing.
Optionally, the spray lance drives the mechanism and includes rotating the worm wheel of connecting in deciding the spray lance, rotating the worm of connecting in the bull stick terminal surface, coaxial coupling is in two screw thread section of thick bamboo of worm wheel, one-to-one is connected respectively in two initiative spray lance and one-to-one is threaded connection respectively in two threaded rods of two screw thread section of thick bamboo, can peg graft in hot water storage tank and deviate from the joint block of storage tank entry one end outer wall, rotate the worm bull stick of connecting in the joint block and wearing to locate hot water storage tank, the worm bull stick is located hot water storage tank one end grafting in worm terminal surface center department.
Through adopting above-mentioned technical scheme for when the bull stick is sent into the hot water storage tank, peg graft the external terminal surface that the grafting piece corresponds the hot water storage tank, make the worm bull stick can correspond to peg graft in the worm, then rotate the worm bull stick, make the worm rotate, the worm wheel rotates, two screw thread section of thick bamboo rotations, the threaded rod moves along screw thread section of thick bamboo length direction, make two initiative spray bars keep away from mutually, initiative spray bar moves towards the circumference inner wall of hot water storage tank, make driven spray bar by the initiative spray bar drive of corresponding intercommunication move, make driven spray bar and initiative spray bar homoenergetic carry out the washing of bigger area to the inside terminal surface of hot water storage tank that is close to mutually, and initiative spray bar and driven spray bar can pass through the storage tank entry smoothly.
In summary, the present application includes at least one of the following beneficial effects:
1. the load of the steam turbine generator is not easy to be excessively large or small, large fluctuation is not easy to be generated, the equipment runs stably and safely, the steam turbine generator can work stably, the combustion condition of the boiler does not need to be regulated according to the condition of the steam turbine generator all the time, and the boiler can keep high garbage treatment speed all the time;
2. the scale in the hot water storage tank is removed as much as possible, and then the water enters the hot water storage tank manually to be washed more carefully, so that the workload of manual cleaning is greatly reduced.
Drawings
FIG. 1 is a schematic diagram of the composition of the units in the present application;
FIG. 2 is a schematic cross-sectional view of the hot water tank of the present application;
FIG. 3 is an enlarged view at A in FIG. 2;
fig. 4 is an enlarged view at B in fig. 2.
Reference numerals illustrate: 1. a hot water storage tank; 11. a driven spray bar; 12. a water jet; 13. a worm wheel; 14. a threaded rod; 15. a plug block; 16. a worm rotating rod; 17. a thread cylinder; 18. a worm; 19. a rotating motor; 2. a safety valve; 21. a drive belt; 22. a belt block; 23. a guide rod; 24. an end block; 25. a rotating rod; 26. a spray head rod; 27. flushing the spray head; 28. a fixed spray rod; 29. an active spray bar; 3. a regulating valve; 31. a storage tank vapor pressure sensor; 32. a blow-down valve; 33. a reserve valve; 34. a storage tank inlet; 35. an inlet closing plate; 36. a washing rack; 38. a tank outer frame; 39. a driving roller; 41. a hot water pump; 42. adjusting a control machine; 43. a turbine vapor pressure sensor; 44. adjusting a power supply; 45. a water temperature sensor; 46. a tank level gauge; 47. a water inlet valve; 48. an audible and visual alarm; 49. deaerator level gauge; 51. a motor gear; 52. a rotating lever gear; 53. a communicating pipe; 54. a turntable; 55. a plug-in groove; 56. a limit rod; 57. a spray bar block; 58. and (5) abutting the block.
Detailed Description
The present application is described in further detail below with reference to the accompanying drawings.
The embodiment of the application discloses an energy storage method for a steam turbine generator, which specifically comprises the following steps:
step 1, two boilers burning garbage are communicated with the same hot water storage tank 1, the hot water storage tank 1 is horizontal, a water inlet valve 47 is connected to the flange of the circumferential outer wall of the hot water storage tank 1, the water inlet valve 47 is an electromagnetic valve, one end, far away from the hot water storage tank 1, of the water inlet valve 47 is communicated with a corresponding desalted water pipeline, and the flange of the hot water storage tank 1 is connected with a safety valve 2;
step 2, arranging a regulating valve 3 on a communicating pipeline of the hot water storage tank 1 and the boiler, wherein the regulating valve 3 is an electromagnetic valve, when the load of the steam turbine generator is consistent with the maximum load of the steam turbine generator, opening the regulating valve 3 to enable steam to enter the hot water storage tank 1, maintaining the maximum load of the steam turbine generator to operate until the load of the steam turbine generator is lower than the maximum load of the steam turbine generator, and closing the regulating valve 3;
step 3, a hot water pump 41 is connected to the flange at the bottom of the hot water storage tank 1, a high-flow variable frequency pump is selected as the hot water pump 41, and the working frequency of the hot water pump 41 is about 10Hz, so that the possibility of cavitation of the hot water pump 41 is reduced. The hot water pump 41 is connected to the boiler deaerator, the boiler deaerator is a necessary device for water inlet of the boiler, the desalted water entering the boiler is processed by the boiler deaerator, and a part of steam of the boiler is input into the boiler deaerator to heat the normal-temperature desalted water in the boiler deaerator, so that the temperature of the desalted water entering the boiler is higher. When the load of the turbo generator is smaller than the rated load, the hot water pump 41 is started, so that the desalted water heated in the hot water storage tank 1 is fed into the boiler deaerator, the steam consumption of the boiler is reduced, and the output of the boiler is improved, so that the operation load of the turbo generator is improved.
Referring to fig. 1, a steam turbine pressure sensor 43 is installed in a main steam pipeline, the steam turbine pressure sensor 43 is electrically connected with an adjusting controller 42, the adjusting controller 42 comprises an a/D converter, a PLC controller, a D/a converter and a contactor, the adjusting controller 42 is electrically connected with an adjusting valve 3, the adjusting controller 42 is electrically connected with an adjusting power supply 44, when detecting that the steam pressure in the steam turbine generator exceeds the preset standard value in the adjusting controller 42, the adjusting controller 42 controls the adjusting valve 3 to be communicated with an external power supply to open so that the steam in the steam turbine generator enters the hot water storage tank 1, and the load of the steam turbine generator is reduced.
Referring to fig. 1, a tank vapor pressure sensor 31 is installed at the top in a hot water tank 1, a water temperature sensor 45 is installed at the bottom in the hot water tank 1, a tank liquid level meter 46 with a detection end located in the hot water tank 1 is detachably connected to the outside of the hot water tank 1, the tank liquid level meter 46 is a magnetic flap liquid level meter, the tank liquid level meter 46, the water temperature sensor 45 and the tank vapor pressure sensor 31 are all electrically connected to a regulating controller 42, the regulating controller 42 is electrically connected to a water inlet valve 47, the regulating controller 42 is electrically connected with an audible and visual alarm 48, so that when the tank vapor pressure sensor 31 detects that the vapor pressure in the hot water tank 1 is too high, or the tank liquid level meter 46 detects that the liquid level in the hot water tank 1 exceeds three fifths of the height in the hot water tank 1, the audible and visual alarm 48 is communicated with an external power supply to alarm, so that a worker can stop and overhaul in time, and when the water temperature sensor 45 detects that the temperature of desalted water in the hot water tank 1 reaches a rated temperature, or when the liquid level meter 46 detects that the liquid level in the hot water tank 1 is higher, the water inlet valve 47 is communicated with the external power supply, so that a desalted water pipeline is opened to send the desalted water into the hot water tank 1 at normal temperature.
Referring to fig. 1, a deaerator liquid level meter 49 with a detection end positioned inside the deaerator of the boiler is detachably connected to the outside of the deaerator of the boiler, the deaerator liquid level meter 49 is a magnetic flap liquid level meter, the deaerator liquid level meter 49 is electrically connected to an adjusting controller 42, and the adjusting controller 42 is electrically connected to a hot water pump 41, so that when the water level in the deaerator of the boiler is too low, the hot water pump 41 is communicated with an external power supply to send high-temperature demineralized water in the hot water storage tank 1 into the deaerator of the boiler until reaching the preset liquid level of the deaerator of the boiler by the adjusting controller 42.
The upper outer wall flange of the hot water storage tank 1 is connected with and communicated with a reserve valve 33, the lower outer wall flange of the hot water storage tank 1 is connected with and communicated with a drain valve 32, and an AX liquid descaling agent is fed into the reserve valve 33, so that scale in the hot water storage tank 1 is softened or dissolved as much as possible, and then the waste water is discharged through the drain valve 32. The center department of hot water storage tank 1 one end has run through and has offered storage tank entry 34, and the radius of storage tank entry 34 is half of the internal diameter of hot water storage tank 1, and storage tank entry 34 axis is the same with the axis of hot water storage tank 1, and storage tank entry 34 sealing flange has entry shrouding 35, dismantles entry shrouding 35 to the workman gets into and carries out a more abundant clearance in the hot water storage tank 1.
Referring to fig. 2, an outer wall of one end of the hot water storage tank 1 provided with the storage tank inlet 34 is detachably connected with a horizontal tank outer frame 38 through screws, the length direction of the tank outer frame 38 is parallel to the axial direction of the hot water storage tank 1, the lower part of the tank outer frame 38 is rotationally connected with two driving rollers 39, the tank outer frame 38 is provided with an output shaft which is coaxially and fixedly connected with a three-phase asynchronous motor of the driving rollers 39, a driving belt 21 is in transmission connection between the two driving rollers 39, the driving belt 21 is horizontal, the driving direction of the driving belt 21 is parallel to the length direction of the tank outer frame 38, the lower surface of the driving belt 21 is fixedly connected with a belt block 22, the lower part of the tank outer frame 38 is fixedly connected with a horizontal guide rod 23, the length direction of the guide rod 23 is parallel to the length direction of the tank outer frame 38, and the tank outer frame 38 penetrates through the belt block 22 along the length direction of the tank outer frame 38. The belt block 22 is fitted with a flushing rack 36.
Referring to fig. 2, the flushing rack 36 includes an end block 24 detachably connected to the lower surface of the belt block 22 by screws, the end block 24 is hollow inside, the end block 24 is connected with a horizontal rotating rod 25 in a sealing and rotating manner towards the vertical side surface of the hot water storage tank 1, the rotating rod 25 is hollow inside and the rotating rod 25 is communicated with the end block 24, the rotating axis of the rotating rod 25 is consistent with the horizontal axis of the rotating rod, and the axis of the rotating rod 25 is consistent with the axis of the hot water storage tank 1. The end block 24 is detachably connected with a rotary motor 19 through a screw, an output shaft of the rotary motor 19 is coaxially and fixedly connected with a motor gear 51, one end of a rotary rod 25, which is close to the rotary rod 25, is coaxially and fixedly connected with a rotary rod gear 52, and the rotary rod gear 52 is meshed with the motor gear 51. The circumference outer wall of bull stick 25 evenly fixedly connected with several rows of shower nozzle poles 26 around self axis, and every row of shower nozzle pole 26 evenly sets up several along bull stick 25 axis direction, and every shower nozzle pole 26 inside cavity just communicates in bull stick 25, and every shower nozzle pole 26 tip is all inseparable the detachable and is connected with the shower nozzle 27, and shower nozzle 27 can be the fan-shaped nozzle of high pressure. The external water pump feeds high-pressure water into the end block 24, and the high-pressure water is sprayed out from the flushing nozzle 27 through the rotating rod 25 and the nozzle rod 26, so that the circumferential inner wall of the hot water tank 1 is flushed. The high-pressure water sprayed out by two adjacent flushing nozzles 27 in the same row is partially overlapped, so that the flushing nozzles 27 in the same row can sufficiently clean the circumferential inner wall of the hot water storage tank 1.
Referring to fig. 2 and 3, an end face of the rotating rod 25 located in the hot water storage tank 1 is fixedly connected with a fixed spray rod 28, the fixed spray rod 28 is located in a vertical face where the end face of the rotating rod 25 is located, the center point of the fixed spray rod 28 is located on the axis of the hot water storage tank 1, the inside of the fixed spray rod 28 is hollow and is communicated with the rotating rod 25, outer walls of two ends of the fixed spray rod 28 are respectively connected with an active spray rod 29 in a sealing sliding manner along the length direction of the fixed spray rod, and the active spray rod 29 is communicated with the inside of the fixed spray rod 28. The bull stick 25 sets up the one end circumference outer wall fixedly connected with two gag lever posts 56 of fixed spray lance 28, and two gag lever posts 56 all wear to be equipped with spray lance 57, and two spray lance 57 one-to-one respectively fixed connection are in two initiative spray lance 29 towards the vertical side of storage tank entry 34 for two spray lance 57 one-to-one are located the close one end department of two initiative spray lance 29 respectively for spray lance 57 can follow initiative spray lance 29 along fixed spray lance 28 length direction sliding connection in gag lever lance 56 circumference outer wall. The opposite ends of the two limiting rods 56 are fixedly connected with a supporting block 58, and the limiting rods 56 and the supporting block 58 can smoothly pass through the storage tank inlet 34. The two abutting blocks 58 can abut against opposite side surfaces of the two spray rod blocks 57 respectively in a one-to-one correspondence manner, so that the active spray rod 29 is not easy to separate from the fixed spray rod 28.
Referring to fig. 2 and 4, each driving spray rod 29 is fixedly connected with a communicating pipe 53 towards the vertical outer wall of the storage tank inlet 34, the communicating pipe 53 is horizontal and hollow, the length direction of the communicating pipe 53 is parallel to the length direction of the rotating rod 25, the communicating pipe 53 is located between two adjacent rows of spray heads 26, one end of the communicating pipe 53, which is far away from the driving spray rod 29, is fixedly connected with a driven spray rod 11, the projection of the driven spray rod 11 on the vertical end surface of the hot water storage tank 1 is consistent with the projection of the driving spray rod 29 on the vertical end surface of the hot water storage tank 1, the driven spray rod 11 is hollow, the communicating pipe 53 and the driving spray rod 29 are communicated, a plurality of water spray openings 12 are uniformly formed in the inner wall of the end surface of the driving spray rod 29 and the fixed spray rod 28, which is not provided with the storage tank inlet 34, towards the hot water storage tank 1, and a plurality of water spray openings 12 are uniformly formed in the inner wall of the driven spray rod 11, so that the inner end surface of the hot water storage tank 1 can be cleaned well. The water sprayed from the driven spray bar 11 is not directly sprayed from the reservoir inlet 34. And when the two driving spray bars 29 are close to each other, both the driving spray bars 29 and the driven spray bars 11 can enter the hot water storage tank 1 through the storage tank inlet 34.
Referring to fig. 3 and 4, the hot water storage tank 1 is provided with a spray rod driving mechanism for driving the active spray rod 29 to move along the radial direction of the hot water storage tank 1, the spray rod driving mechanism comprises a worm 18 rotatably connected to the end face of the rotating rod 25 where the fixed spray rod 28 is arranged, the axial direction of the worm 18 is parallel to the axial direction of the rotating rod 25, the worm 18 is meshed with a worm wheel 13, and the worm wheel 13 is rotatably connected to the side face of the fixed spray rod 28 facing the circumferential inner wall of the hot water storage tank 1. The two end faces of the worm wheel 13 are coaxially and fixedly connected with threaded cylinders 17, the axial direction of each threaded cylinder 17 is parallel to the length direction of the corresponding driving spray rod 29, the axial direction of each threaded cylinder 17 is parallel to the radial direction of the hot water storage tank 1, the inner walls of the opposite ends of the two threaded cylinders 17 are coaxially and fixedly connected with threaded rods 14, the two threaded rods 14 are respectively and fixedly connected to the outer walls of the opposite ends of the two driving spray rods 29, and the vertical side faces of the driving spray rods 29, which are away from the water spray ports 12, are fixedly connected to the threaded rods 14.
Referring to fig. 2 and 4, the outer wall of the end surface of the hot water storage tank 1, which is not provided with the storage tank inlet 34, is provided with a plugging groove 55, the section of the plugging groove 55 is rectangular, the inner wall of the plugging groove 55 is slidably connected with a plugging block 15 along the axis direction of the hot water storage tank 1, the section of the plugging block 15 is rectangular, and a plug is flange-connected at the position of the hot water storage tank 1, which is provided with the plugging groove 55, so that the plugging groove 55 can be closed when the hot water storage tank 1 is not cleaned. The plug-in block 15 wears to establish and rotates to be connected with and be horizontal worm bull stick 16, and worm bull stick 16 length direction is on a parallel with hot water storage tank 1 axis direction, and worm bull stick 16 axis of rotation is the same with self axis, and worm bull stick 16 one end wears to establish to get into in the hot water storage tank 1, and the one end that worm bull stick 16 is located hot water storage tank 1 can peg graft in the terminal surface of worm 18, and the one end cross section that the worm bull stick 16 peg graft in worm 18 is the rectangle, and the coaxial fixedly connected with carousel 54 of one end that worm bull stick 16 is located hot water storage tank 1.
When the rotating rod 25 enters the hot water storage tank 1 along the length direction of the rotating rod, the plug of the plug-in groove 55 is detached, the plug-in block 15 is inserted into the plug-in groove 55, the rectangular end of the worm rotating rod 16 is plugged into the worm 18, then the rotating disc 54 is rotated, the worm rotating rod 16 is rotated, the worm 18 is rotated, the worm wheel 13 is rotated, the two threaded cylinders 17 are rotated, the two threaded rods 14 are far away along the length direction of the rotating rod, the two driving spray rods 29 are far away, the two communicating pipes 53 are synchronously moved, the two driven spray rods 11 are far away, then the plug-in block 15 is taken out from the plug-in groove 55, and then the rotating rod 25 is slowly rotated, so that the driving spray rods 29, the fixed spray rods 28 and the driven spray rods 11 are rotated around the axis of the rotating rod 25, and the inner walls of the end of the hot water storage tank 1 can be better cleaned.
The implementation principle of the energy storage method for the steam turbine generator in the embodiment of the application is as follows: when the work load of the boiler is close to the maximum load of the steam turbine generator, the regulating valve 3 is opened, so that excessive steam in the boiler is fed into the hot water storage tank 1, the load of the steam turbine generator is not easy to be excessively large, when the work load of the boiler is smaller, the demineralized water in the hot water storage tank 1 can be heated by the steam fed into the hot water storage tank 1 before, then the high-temperature demineralized water can be fed into the boiler deaerator through the hot water pump 41, the high-temperature demineralized water is fed into the boiler after being processed by the deaerator, the steam quantity fed into the boiler deaerator by the boiler is reduced, the output of the boiler is improved, the running load of the steam turbine generator is not easy to be excessively small, the whole load of the steam turbine generator is not easy to be excessively large or excessively small, large fluctuation is not easy to be generated, the equipment is stable and safe to run, the boiler can work stably, the combustion condition of the boiler is not required to be regulated according to the condition of the steam turbine generator, and the high garbage processing speed can be kept all the time.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (5)
1. An energy storage method for a turbo generator, characterized by: the method specifically comprises the following steps:
step 1, communicating a garbage burning boiler with the same hot water storage tank (1), injecting a certain amount of desalted water into the hot water storage tank (1), and arranging a safety valve (2) on the hot water storage tank (1);
step 2, arranging a regulating valve (3) on a communicating pipeline of the hot water storage tank (1) and the boiler, opening the regulating valve (3) when the load of the steam turbine generator is consistent with the maximum load of the steam turbine generator, enabling steam to enter the hot water storage tank (1), maintaining the steam turbine generator to run at the maximum load until the load of the steam turbine generator is lower than the maximum load of the steam turbine generator, and closing the regulating valve (3);
step 3, a hot water pump (41) is arranged on the hot water storage tank (1), the hot water pump (41) is communicated with the boiler deaerator, when the load of the steam turbine generator is smaller than the rated load, the hot water pump (41) is started, so that the desalted water heated in the hot water storage tank (1) is sent into the boiler deaerator, the steam consumption of a boiler is reduced, and the output of the boiler is improved, so that the operation load of the steam turbine generator is improved;
the hot water storage tank (1) is communicated with a reserved valve (33) and a blow-off valve (32), the hot water storage tank (1) is provided with a storage tank inlet (34), the storage tank inlet (34) is connected with an inlet sealing plate (35) in a sealing and detachable mode, a flushing frame (36) with one end capable of moving into the hot water storage tank (1) is arranged outside the hot water storage tank (1), and the flushing frame (36) is provided with a plurality of flushing nozzles (27) capable of spraying high-pressure water towards the inner wall of the hot water storage tank (1);
the hot water storage tank (1) is externally provided with a tank outer frame (38), the tank outer frame (38) is rotationally connected with a group of driving rollers (39), the driving rollers (39) are in transmission connection with a driving belt (21), the driving belt (21) is provided with a belt block (22) connected with a flushing frame (36) and positioned at the outer end part of the hot water storage tank (1), the tank outer frame (38) is provided with a guide rod (23), and the guide rod (23) is penetrated through the belt block (22);
the flushing rack (36) comprises an end block (24) arranged on the belt block (22), a rotating rod (25) which is connected in a sealing and rotating way and communicated with the end block (24), and a plurality of rows of nozzle rods (26) which are communicated with the outer wall of the rotating rod (25) around the axis of the rotating rod (25), wherein each nozzle rod (26) is correspondingly communicated with one flushing nozzle (27), and the overlapping range exists between high-pressure water sprayed by two adjacent flushing nozzles (27) in the same row;
the rotary rod (25) is positioned at the end rotating center point in the hot water storage tank (1) and is communicated with a fixed spray rod (28), two ends of the fixed spray rod (28) are both connected with a driving spray rod (29) in a sliding mode, the driving spray rod (29) is communicated with a driven spray rod (11) which is close to the inner end face of the hot water storage tank (1) and is provided with a storage tank inlet (34), the fixed spray rod (28), the driving spray rod (29) and the driven spray rod (11) are respectively provided with a spray nozzle (12) towards the inner end face of the hot water storage tank (1) which is close to each other, and the hot water storage tank (1) is provided with a spray rod driving mechanism for driving the driving spray rod (29) to move along the radial direction of the hot water storage tank (1);
the spray lance drives mechanism including rotate connect in fixed worm wheel (13) of spray lance (28), rotate connect in worm (18) of bull stick (25) terminal surface, coaxial coupling is in two screw thread section of thick bamboo (17) of worm wheel (13), one-to-one is connected respectively in two initiative spray lance (29) and one-to-one is threaded connection respectively in two threaded rods (14) of two screw thread section of thick bamboo (17), can peg graft in hot water storage tank (1) and deviate from plug block (15) of storage tank entry (34) one end outer wall, rotate connect in plug block (15) and wear to locate worm bull stick (16) of hot water storage tank (1), worm bull stick (16) are located hot water storage tank (1) one end grafting in worm (18) terminal surface center department.
2. A method of storing energy for a steam turbine generator according to claim 1, wherein: in the step 2, the regulating valve (3) is electrically connected with a regulating controller (42), the regulating controller (42) is electrically connected with a steam turbine steam pressure sensor (43), the steam turbine steam pressure sensor (43) is positioned in a main steam pipeline which is communicated with the boiler and the steam turbine generator, and the regulating controller (42) is electrically connected with a regulating power supply (44).
3. A method of storing energy for a steam turbine generator according to claim 2, wherein: the hot water pump (41) is communicated with the bottom of the hot water storage tank (1), a water temperature sensor (45) and a storage tank liquid level meter (46) are arranged at the bottom of the hot water storage tank (1), the storage tank liquid level meter (46) and the water temperature sensor (45) are electrically connected with the regulating control machine (42), the hot water storage tank (1) is provided with a water inlet valve (47), and the regulating control machine (42) is electrically connected with the water inlet valve (47) to control the water inlet valve (47) to be opened so that desalted water is input into the hot water storage tank (1).
4. A method of storing energy for a steam turbine generator according to claim 2, wherein: the upper part in hot water storage tank (1) is equipped with storage tank vapor pressure sensor (31), and storage tank vapor pressure sensor (31) electricity is connected in regulation accuse machine (42), and regulation accuse machine (42) electricity is connected with audible and visual alarm (48).
5. A method of storing energy for a steam turbine generator according to claim 2, wherein: the hot water pump (41) is electrically connected to the regulation control machine (42), the regulation control machine (42) is electrically connected with the deaerator liquid level meter (49), the deaerator liquid level meter (49) is arranged on the boiler deaerator, and the regulation control machine (42) is electrically connected to the hot water pump (41).
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| CN202110977707.8A CN113756887B (en) | 2021-08-24 | 2021-08-24 | Energy storage method for steam turbine generator |
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| CN202110977707.8A CN113756887B (en) | 2021-08-24 | 2021-08-24 | Energy storage method for steam turbine generator |
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