CN106330055A - Rotary radiation bed system - Google Patents
Rotary radiation bed system Download PDFInfo
- Publication number
- CN106330055A CN106330055A CN201610827201.8A CN201610827201A CN106330055A CN 106330055 A CN106330055 A CN 106330055A CN 201610827201 A CN201610827201 A CN 201610827201A CN 106330055 A CN106330055 A CN 106330055A
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- China
- Prior art keywords
- radiation bed
- frequency conversion
- steam turbine
- rotatable
- power set
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
- H02K7/1807—Rotary generators
- H02K7/1823—Rotary generators structurally associated with turbines or similar engines
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Turbines (AREA)
Abstract
The invention provides a rotary radiation bed system comprising a rotary radiation bed and a hybrid power device. The hybrid power device comprises a turbine power device and a variable-frequency motor power device, which are in driving connection with the rotary radiation bed. Through the hybrid power device which is composed of the variable-frequency motor power device and the turbine power device, accurate control and real-time control on the speed of the rotary radiation bed can be realized by making full use of the advantages of the variable-frequency motor power device such as high speed controllability, real-time speed adjustment and stable operation, and the overall energy consumption can be reduced by making full use of the turbine power device with waste steam generated by a waste heat boiler and the like as driving energy. Moreover, the variable-frequency motor power device and the turbine power device are spare to each other, the rotary radiation bed system can continue running when any device has driving failure, and thus, the stability of operation is improved.
Description
Technical field
The present invention relates to energy-saving and emission-reduction field, in particular to a kind of rotatable radiation bed system.
Background technology
In existing a lot of production technologies, it is impossible to the waste heat that runs out of and fuel can not be collected produce often through boiler big
The steam of amount, and steam is applied to steam driven equipment can save electric energy.But, existing many equipment, the biggest merit
Rate equipment, if relying on simple steam to drag, not only starts the time slow, and corresponding speed governing speed is slow, the instability to vapour source
Obvious with load reacting condition, and it is difficult to speed controlling accurately.As a example by rotatable radiation bed, in a lot of production technologies
Require the rotating speed control accuracy height of rotatable radiation bed, stabilization of speed and use low cost energy as much as possible.
For powerful device, if using motor drag, power consumption is high, and operating cost is the highest.Although working as
Before also have motor and steam turbine mixed the equipment dragged, but be only limitted to power frequency state, motor only exists in four-quadrant operation, does not carries out
Electric machine speed regulation, does not the most carry out steam turbine speed governing, i.e. only exists in and runs under power frequency constant speed mode, and which can not meet dragged setting
Standby real-time speed regulating requirement.
Thus, need exist for the dragging power of powerful device is improved, to meet powerful device in real time
The quickly requirement of speed governing.
Summary of the invention
Present invention is primarily targeted at a kind of rotatable radiation bed system of offer, to meet rotatable radiation bed to real-time
The requirement of speed governing.
To achieve these goals, according to an aspect of the invention, it is provided a kind of rotatable radiation bed system, this is rotatable
Radiation bed system includes: rotatable radiation bed；And mixed power plant, fill including steam turbine power set and frequency conversion motor power
Put, steam turbine power set and frequency conversion motor power set respectively with rotatable radiation bed drive connection.
Further, rotatable radiation bed system also includes: radiation bed deceleration device, and steam turbine power set and variable-frequency electric are motor-driven
Power apparatus is respectively by radiation bed deceleration device and rotatable radiation bed drive connection.
Further, steam turbine power set include: steam turbine, and steam turbine is by radiation bed deceleration device and rotatable radiation bed
Drive connection；And steam control valve, steam control valve is arranged between steam turbine and vapour source.
Further, steam turbine power set also include that steam turbine deceleration device, steam turbine deceleration device are arranged on steam turbine and spoke
Penetrate between a deceleration device.
Further, frequency conversion motor power set include: frequency conversion motor, and frequency conversion motor is by radiation bed deceleration device and turns
Formula radiation bed drive connection；Converter, converter electrically connects with frequency conversion motor.
Further, frequency conversion motor power set also include: coupling device, and coupling device is arranged on frequency conversion motor and radiation
Between bed deceleration device.
Further, radiation bed deceleration device is two, and steam turbine is two, and two steam turbines are slowed down with two radiation bed
Device is connected correspondingly.
Further, two steam turbines are connected with steam control valve respectively.
Further, frequency conversion motor is two, and radiation bed deceleration device is two, two frequency conversion motors and two radiation bed
Deceleration device is connected correspondingly.
Further, converter is two, and two converters and two frequency conversion motors are connected correspondingly, radiation bed system
System also includes controlling device, controls device and controls two converter synchronized operations of each self-corresponding frequency conversion motor.
Application technical scheme, by changing by the power set driving rotatable radiation bed work at present as including change into
Frequently motor power device and the mixed power plant of steam turbine power set, is both easy to make full use of frequency conversion motor power set rotating speed
Controllability is high, real-time speed regulating and the stable advantage of rotating speed can realize being precisely controlled and in real time of contrarotating radiation bed rotating speed
Controlling, can make full use of again the exhaust steam produced using waste heat boiler etc. can reduce always as the steam turbine power set driving energy
Energy consumption.Thus, this rotatable radiation bed system can realize good quick speed-regulating function, can make full use of again steam-energy and drive
Dynamic.Meanwhile, frequency conversion motor power set and steam turbine power set are the most standby, and arbitrary driving is broken down, rotatable radiation bed
System all can continue to run with, and improves operation stability.
Accompanying drawing explanation
The Figure of description of the part constituting the application is used for providing a further understanding of the present invention, and the present invention shows
Meaning property embodiment and explanation thereof are used for explaining the present invention, are not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 shows the structural representation of the rotatable radiation bed system in a kind of preferred embodiment of the present invention；
Wherein, above-mentioned accompanying drawing includes the following drawings labelling:
10, rotatable radiation bed；20, steam turbine power set；30, frequency conversion motor power set；40, radiation bed deceleration device；
21, steam turbine；22, steam control valve；23, steam turbine deceleration device；
31, frequency conversion motor；32, converter；33, coupling device.
Detailed description of the invention
It should be noted that in the case of not conflicting, the embodiment in the application and the feature in embodiment can phases
Combination mutually.The present invention is described in detail below in conjunction with embodiment.
As background section is previously mentioned, prior art contrarotating radiation bed system is difficult to reality when output is bigger
The now requirement of quickly speed governing, in order to improve this situation, in a kind of typical embodiment of the application, it is provided that a kind of rotatable
Radiation bed system, as it is shown in figure 1, this rotatable radiation bed system includes: rotatable radiation bed 10；And mixed power plant, including
Steam turbine power set 20 and frequency conversion motor power set 30, steam turbine power set 20 and frequency conversion motor power set 30 respectively with turn
Formula radiation bed 10 drive connection.
By changing into including frequency conversion motor power set 30 He by the power set driving rotatable radiation bed 10 to work at present
The mixed power plant of steam turbine power set 20, be both easy to make full use of frequency conversion motor power set 30 rotating speed controllability high, can
Real-time speed regulating and the stable advantage of rotating speed realize being precisely controlled and controlling in real time of contrarotating radiation bed 10 rotating speed, again can
Making full use of the exhaust steam produced using waste heat boiler etc. can be as driving the steam turbine power set 20 of energy to reduce total energy consumption.
Thus, this rotatable radiation bed system can realize good quick speed-regulating function, can make full use of again steam-energy and drive.Meanwhile,
Frequency conversion motor power set 30 and steam turbine power set 20 are the most standby, and arbitrary driving is broken down, rotatable radiation bed system
All can continue to run with, improve operation stability.
In a preferred embodiment, as it is shown in figure 1, above-mentioned rotatable radiation bed system also includes: radiation bed deceleration device
40, steam turbine power set 20 and frequency conversion motor power set 30 are driven with rotatable radiation bed 10 by radiation bed deceleration device 40 respectively
It is dynamically connected.Radiation bed deceleration device 40 is that the rotating speed to steam turbine power set 20 lowers to meet turning of rotatable radiation bed 10
Speed requirement.And as required, adjust the range of speeds of steam turbine power set 20 and the range of speeds of frequency conversion motor power set 30
Match.
In above-mentioned rotatable radiation bed system, steam turbine power set 20 refer to utilize steam-energy as the dress driving power resources
Put, steam source can be afterheat steam or can not the steam that be produced by boiler after gleanings burning, make full use of these and steam
Vapour can reduce energy consumption as power resources.In the application one preferred embodiment, above-mentioned steam turbine power set 20 include: steam turbine
21, steam turbine 21 is by radiation bed deceleration device 40 and rotatable radiation bed 10 drive connection；And steam control valve 22, steam is adjusted
Joint valve 22 is arranged between steam turbine 21 and vapour source.Steam control valve 22 is used for regulating the steam of steam turbine 21 and supplies amount, thus
Change the output of steam turbine 21.
In above-mentioned rotatable radiation bed system, steam turbine power set 20 also include steam turbine deceleration device 23, steam turbine deceleration device
23 are arranged between steam turbine 21 and radiation bed deceleration device 40.Steam turbine deceleration device 23 is the rotating speed to steam turbine power set 20
Carry out the rotation speed requirements lowering to meet rotatable radiation bed 10.
In above-mentioned rotatable radiation bed system, frequency conversion motor power set 30 include: frequency conversion motor 31, and frequency conversion motor 31 passes through
Radiation bed deceleration device 40 and rotatable radiation bed 10 drive connection；Converter 32, converter 32 electrically connects with frequency conversion motor 31.Become
Frequently the function of device 32 is that frequency conversion motor 31 is carried out electric energy supply and speed controlling.Owing to alternating current generator mechanical performance is hard, speed governing
Quick and stable, converter 32 controls frequency conversion motor 31 rotating speed and can realize quickly adjusting and stability contorting, thus realizes rotatable spoke
Penetrate quick rotating speed and the stabilized (steady-state) speed of bed system.Additionally, when converter 32 is four-quadrant frequency converter, at some particular case
Under, it is also possible to work with generating state.Converter 32 can range of operation wide, control to be easier to realize.And frequency conversion motor 31 energy
Under the running status of variable-ratio, contrarotating radiation bed 10 is driven for a long time, it is thus possible to regulate and control rotatable spoke real-time
Penetrate bed 10 rotating speed, meet the power output demand under the different operating mode of rotatable radiation bed 10.
In the application one preferred embodiment, above-mentioned frequency conversion motor 31 driving means also includes: coupling device 33, and connecting shaft fills
Put 33 to be arranged between frequency conversion motor 31 and radiation bed deceleration device 40.Coupling device 33 is used for connecting frequency conversion motor 31 and radiation
Bed deceleration device 40.Coupling device 33 is according to the diameter calculated torque of axle and rotating speed, and selects suitable class according to job demand
Type.In the power transmission connecting high-speed overload, coupling device 33 also has buffering, damping and improves axle system dynamic property
Effect.
Above-mentioned rotatable radiation bed 10 can be that both-end drives or single-ended drive according to actual needs.At a preferred embodiment
In, above-mentioned rotatable radiation bed 10 drives for both-end, and wherein, radiation bed deceleration device 40 is two, and steam turbine 21 is two, two
Steam turbine 21 is connected correspondingly with two radiation bed deceleration devices 40.Quantity of steam needed for two steam turbines 21 can basis
It is actually needed reasonable adjusting.In another preferred embodiment, above-mentioned two steam turbine 21 is connected with steam control valve 22 respectively.By
One steam control valve 22 controls the quantity of steam of two steam turbines 21, can steam according to the load autobalance of two steam turbines 21
Vapour input.
Similarly, in another preferred embodiment of the application, when rotatable radiation bed 10 drives for both-end, variable-frequency electric is motor-driven
Frequency conversion motor 31 in force driving device is two, and radiation bed deceleration device 40 is two, two frequency conversion motors 31 and two spokes
Penetrate a deceleration device 40 to be connected correspondingly.
It is highly preferred that converter 32 is two, two converters 32 are connected correspondingly with two frequency conversion motors 31, turn
Formula radiation bed system also includes controlling device (not shown), controls device and controls two each self-corresponding frequency conversion motors of converter 32
31 synchronized operations.In above preferred embodiment, the instruction by control system of two converters 32, make two frequency conversion motors 31 with
Identical speed or almost identical speed are run.
The above-mentioned steam turbine power set 20 of the application and frequency conversion motor power set 30 can use simultaneously, and according to rotatable
The power of radiation bed 10 needs, and when rotatable radiation bed 10 stabilization of speed, drives dress with steam turbine power set 20 for major impetus
Put, and when rotatable radiation bed 10 rotating speed changes, with frequency conversion motor power set 30 for major impetus driving means, with reality
The rapid change of existing rotatable radiation bed 10 rotating speed.
The demand operated under different work condition state output due to rotatable radiation bed 10 there are differences, when rotatable spoke
Penetrate bed 10 rotating speed change (i.e. output changes) time, the operating load of rotatable radiation bed 10 changes, frequency conversion
The load that motor 31 and steam turbine power set 20 are undertaken is also required to respective change.Above-mentioned rotatable radiation bed system uses mixing dynamic
The purpose of power apparatus is by the mutual supplement with each other's advantages of two kinds of power set, in the case of overall energy consumption is relatively low, according to rotatable radiation bed
Demand to output under the 10 different work condition states run, adjusts the rotating speed of rotatable radiation bed 10 in real time.In order to realize
Above-mentioned purpose, in the application one preferred embodiment, between above-mentioned steam turbine power set 20 with frequency conversion motor power set 30 phase
The coupling of power output between the two is realized by control system.
In above preferred embodiment, when rotatable radiation bed 10 rotating speed changes (i.e. output changes), by
Having harder mechanical property in the relative steam turbine power set 20 of frequency conversion motor 31, rotatable radiation bed 10 speed loop follows frequency conversion
Motor 31 rotation speed change.Now, if rotatable radiation bed 10 speed increases, frequency conversion motor 31 power export ratio increases, and steam turbine moves
The power export ratio of power apparatus 20 reduces.When after frequency conversion motor 31 velocity-stabilization, then steam turbine power set 20 are then according to frequency conversion
The frequency variation signal of device 32 output, regulates the power export ratio of steam turbine power set 20 so that the power of frequency conversion motor 31 again
Export ratio suitably reduces or is reduced to a certain setting value.If rotatable radiation bed 10 speed reduces, the power of frequency conversion motor 31 is defeated
Go out ratio to reduce；If the output of steam turbine power set 20 is actually needed power beyond rotatable radiation bed 10, and this time-varying
Frequently motor 31 is in generating state, can pass through converter 32 (such as four-quadrant frequency converter) by back electrical energy to electrical network, the most still
Can guarantee that stable rotation speed requirements.
In above preferred embodiment, during frequency conversion motor 31 with the steam turbine 21 rotatable radiation bed of combination drive 10,
Converter 32 is adjusted by frequency and changes frequency conversion motor 31 rotating speed, and steam control valve 22 is made by regulation steam turbine 21 throttle flow
The output that frequency conversion motor 31 undertakes is in range of set value.When rotatable radiation bed 10 rotation speed change, rotatable radiation bed 10 is negative
Lotus changes, and frequency conversion motor 31 and steam turbine 21 undertake load and also changes, in the process, owing to frequency conversion motor 31 is adjusted
Speed is fast, it is possible to quickly respond and meet the change of rotatable radiation bed 10 load, now, and simply frequency conversion motor 31 and steam turbine 21
Power export ratio changes, but the speed stability of contrarotating radiation bed 10 there is no impact.Therefore, Dual Drive is mutually matched
Self adaptation, can quickly speed governing, reduce energy consumption, can prevent again driving malfunction from causing rotatable radiation bed 10 to be shut down, improve rotatable
Stable dose of radiation bed 10.
In above preferred embodiment, when start, steam turbine 21 needs preheating, and the time is long, thus now uses variable-frequency electric
Machine 31 starts rotatable radiation bed 10, is adjusted the quantity of steam of supply steam turbine 21 by steam control valve 22 so that steam turbine 21 is entered
Row pre-heating temperature elevation, and it is stepped up the steam delivery volume of steam turbine 21, until after warm completes, entering properly functioning.Stop
During machine, steam turbine 21 can not be stopped suddenly.Frequency conversion motor 31 stops, and converter 32 stops after frequency conversion motor 31 is powered, logical
Crossing steam turbine 21 turning motor to steam turbine 21 jiggering, slow cooling, until temperature drops to steam turbine 21 and can stop temperature.
As can be seen from the above description, the above embodiments of the present invention achieve following technique effect:
By changing into including frequency conversion motor power set and steam turbine by the power set driving rotatable radiation bed to work at present
The mixed power plant of power set, be both easy to make full use of frequency conversion motor power set rotating speed controllability high, can real-time speed regulating
And the stable advantage of rotating speed realizes being precisely controlled and controlling in real time of contrarotating radiation bed rotating speed, can make full use of again with
The exhaust steam that waste heat boiler etc. produce can reduce total energy consumption as the steam turbine power set driving energy.Thus, this is rotatable
Radiation bed system can realize good quick speed-regulating function, can make full use of again steam-energy and drive.Meanwhile, frequency conversion motor power
Device and steam turbine power set are the most standby, and arbitrary driving is broken down, and rotatable radiation bed system all can continue to run with, and improve
Operation stability.
Meanwhile, frequency conversion motor power set and steam turbine power set are the most standby, and arbitrary driving is broken down, rotatable spoke
Penetrate bed system all can continue to run with, improve operation stability.During above-mentioned frequency conversion motor dead electricity, disconnect frequency conversion motor and power electricity
Road, residue steam turbine power set still can drive rotatable radiation bed to run, although now speed adjusting performance lowers.When steam turbine power set
When the vapour source of middle steam turbine disconnects, though failing to utilize steam-energy under the conditions of this, but rotatable radiation bed still can driving by frequency conversion motor
Flowing mode runs.Visible, the application drives, by mixed power plant, the rotatable radiation bed system that rotatable radiation bed runs, not only
Can improve rotatable radiation bed system in normal state realize quick real-time speed regulating with relatively low energy consumption, and can also improve
Operation stability under abnormality.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, that is made any repaiies
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (10)
1. a rotatable radiation bed system, it is characterised in that described rotatable radiation bed system includes:
Rotatable radiation bed (10)；And
Mixed power plant, including steam turbine power set (20) and frequency conversion motor power set (30), described steam turbine power set
(20) and described frequency conversion motor power set (30) respectively with described rotatable radiation bed (10) drive connection.
Rotatable radiation bed system the most according to claim 1, it is characterised in that described rotatable radiation bed system also includes:
Radiation bed deceleration device (40), described steam turbine power set (20) and described frequency conversion motor power set (30) are respectively by described
Radiation bed deceleration device (40) and described rotatable radiation bed (10) drive connection.
Rotatable radiation bed system the most according to claim 2, it is characterised in that described steam turbine power set (20) including:
Steam turbine (21), described steam turbine (21) is driven with described rotatable radiation bed (10) by described radiation bed deceleration device (40)
It is dynamically connected；And
Steam control valve (22), described steam control valve (22) is arranged between described steam turbine (21) and vapour source.
Rotatable radiation bed system the most according to claim 3, it is characterised in that described steam turbine power set (20) also include
Steam turbine deceleration device (23), described steam turbine deceleration device (23) is arranged on described steam turbine (21) and described radiation bed deceleration device
(40) between.
Rotatable radiation bed system the most according to claim 2, it is characterised in that described frequency conversion motor power set (30) are wrapped
Include:
Frequency conversion motor (31), described frequency conversion motor (31) is by described radiation bed deceleration device (40) and described rotatable radiation bed
(10) drive connection；
Converter (32), described converter (32) electrically connects with described frequency conversion motor (31).
Rotatable radiation bed system the most according to claim 2, it is characterised in that described frequency conversion motor power set (30) are also
Including: coupling device (33), described coupling device (33) is arranged on described frequency conversion motor (31) and described radiation bed deceleration device
(40) between.
Rotatable radiation bed system the most according to claim 3, it is characterised in that described radiation bed deceleration device (40) is two
Individual, described steam turbine (21) is two, two described steam turbines (21) and two described radiation bed deceleration devices (40) 1 a pair
Should be connected on ground.
Rotatable radiation bed system the most according to claim 7, it is characterised in that two described steam turbines (21) respectively with institute
State steam control valve (22) to be connected.
Rotatable radiation bed system the most according to claim 5, it is characterised in that described frequency conversion motor (31) is two, institute
Stating radiation bed deceleration device (40) is two, two described frequency conversion motors (31) and two described radiation bed deceleration devices (40)
One is connected accordingly.
Rotatable radiation bed system the most according to claim 9, it is characterised in that described converter (32) is two, two
Described converter (32) is connected correspondingly with two described frequency conversion motors (31), and described radiation bed system also includes controlling dress
Putting, described control device controls two described converter (32) each self-corresponding frequency conversion motor (31) synchronized operations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610827201.8A CN106330055A (en) | 2016-09-12 | 2016-09-12 | Rotary radiation bed system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610827201.8A CN106330055A (en) | 2016-09-12 | 2016-09-12 | Rotary radiation bed system |
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| Publication Number | Publication Date |
|---|---|
| CN106330055A true CN106330055A (en) | 2017-01-11 |
Family
ID=57788043
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| CN201610827201.8A Pending CN106330055A (en) | 2016-09-12 | 2016-09-12 | Rotary radiation bed system |
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