CN110067757A - One kind being based on air-introduced machine vapour electricity double drive control system and control method - Google Patents
One kind being based on air-introduced machine vapour electricity double drive control system and control method Download PDFInfo
- Publication number
- CN110067757A CN110067757A CN201910263347.8A CN201910263347A CN110067757A CN 110067757 A CN110067757 A CN 110067757A CN 201910263347 A CN201910263347 A CN 201910263347A CN 110067757 A CN110067757 A CN 110067757A
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- Prior art keywords
- control system
- speed
- control
- power
- regulating
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D17/00—Regulating or controlling by varying flow
- F01D17/10—Final actuators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/04—Units comprising pumps and their driving means the pump being fluid-driven
- F04D25/045—Units comprising pumps and their driving means the pump being fluid-driven the pump wheel carrying the fluid driving means, e.g. turbine blades
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Turbines (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The invention discloses one kind to be based on air-introduced machine vapour electricity double drive control system for public affairs of the invention, the vapour electric control system is by steam turbine control system, motor power (output) detection, power of fan monitoring, the motor power (output) detection and electronic mechatronics, the power of fan monitoring is electrically connected with blower, the steam turbine control system is by revolution speed control system, PLC system, three select two overspeed protective devices, speed closes control device, regulating combined device and regulating device composition, disclosed one kind is based on air-introduced machine vapour electricity double drive control system and control method, keep vapour system more stable, reduce energy consumption, reduce entreprise cost.
Description
Technical field
The invention patent relates to a kind of air-introduced machine vapour electricity dual drive systems, and in particular to one kind is based on the double drives of air-introduced machine vapour electricity
Autocontrol system and control method.
Background technique
Thermal power generation, the thermal energy generated using combustible in burning, is converted into the one of electric energy by generation power device
Kind generation mode, Chinese rich coal resources, 10.9 hundred million tons of nineteen ninety producing coal, wherein coal for power generation only accounts for 12%.Thermal power generation
Still there is great potential.
Thermal power generation at present all uses steam drive steam turbine, and then generator is driven to generate electricity, and using individual
Driving device is that blower is driven, and since blower electricity consumption is excessive, Chang Fashengyin electric load is insufficient and trips and boiler is caused to stop
The accident that furnace and heating demand interrupt, and the transition of the energy is caused to consume, it reduces generating efficiency, improve being produced into for enterprise
This.
Summary of the invention
The purpose of invention: the purpose of the present invention is to provide one kind to be based on air-introduced machine vapour electricity double drive control system and control
Method.
The technical solution adopted by the present invention: one kind being based on air-introduced machine vapour electricity double drive control system, and the gas-turbine is double to be dragged
Dynamic to be successively made of steam turbine, speed change clutch, motor, speed reducer B and blower, the vapour electric control system is by vapour
Turbine control system, motor power (output) detection, power of fan monitoring, the motor power (output) detection and electronic mechatronics, institute
It states power of fan monitoring to be electrically connected with blower, the steam turbine control system is to select two by revolution speed control system, PLC system, three
Overspeed protective device, speed close control device, regulating combined device and regulating device composition, and described three select two overspeed protective devices
Directly two overspeed protective devices are selected to will test information conveyance to PLC system, the revolution speed control system with steamer mechatronics, three
Steam turbine operation information is directly acquired, is mutually communicated between revolution speed control system and PLC system, the speed closes control device difference
It is controlled with revolution speed control system, PLC system, the regulating combined device closes control device by speed and controlled, and adjusts combination
Device controls steam inlet in steam turbine, and the electronic machine testing, power of fan monitoring are connect with PLC system, the adjusting
Device is mounted on steam engine, and regulating device input terminal closes control device with speed and connect, and regulating device output end is combined with adjusting
Device connection.
Preferably, it is described speed close control device in be equipped with solenoid valve, electro-control converter and oil valve, the solenoid valve by with
PLC system connection, the electro-control converter are connect with rotary speed system, and the oil valve passes through solenoid valve control, the adjusting combination
In device be equipped with quick-closing valve and regulating valve, the quick-closing valve with speed close control device in oil valve connect, the adjusting air valve and
Speed closes the electro-control converter connection in control device, and quick-closing valve controls the switch on the inlet pipe road of steam turbine, and regulating valve controls steamer
The size of the air inflow of machine.
Preferably, the regulating device input terminal is connect respectively at electro-control converter with oil pump by oil circuit, the adjusting
The connection of the input terminal of device output end and servo valve.
It is preferably, described that steps are as follows: when quantity of steam deficiency steam turbine power decline, motor can supplemental capacity, work as steaming
When vapour amount abundance power of fan is less than steam turbine rated power, asynchronous motor then output power makes up to equilibrium state.If
Steam is insufficient, supplement difference power can be provided by external power supply, it is unattended that equipment operates normally realization.
The utility model has the advantages that a kind of be based on air-introduced machine vapour electricity double drive control system and control method, steam turbine control system is real
Now to the control of steam engine, steam engine intelligentized control method is realized, the rotation speed of real-time control steam engine improves steam engine to steaming
The utilization efficiency of vapour reduces the use of steam, by being compensated when steam engine operational efficiency bottom for motor,
Improve the stability of entire vapour system, when the power stability of steam engine, can drive motor and fan operation simultaneously, improve
The utilization efficiency of steam engine improves the efficiency of the energy, reduces cost of investment.
Detailed description of the invention
Fig. 1 is system diagram of the invention；
1, steam engine 2, speed change clutch 3, motor 4, blower.
Specific embodiment
Technology contents of the invention are described in detail combined with specific embodiments below:
As described in Figure 1, disclosed one kind is based on air-introduced machine vapour electricity double drive control system, the double draggings of the gas-turbine
Successively be made of steam turbine, speed change clutch 2, motor 3, speed reducer B and blower 4, the vapour electric control system be by
Steam turbine control system, 3 power detection of motor, 4 power monitoring of blower, 3 power detection of motor are electrically connected with motor 3
Connect, 4 power monitoring of blower is electrically connected with blower 4, the steam turbine control system be by revolution speed control system, PLC system,
Three select two overspeed protective devices, speed to close control device, regulating combined device and regulating device composition, and described three select two hypervelocities to protect
Protection unit directly selects two overspeed protective devices to will test information conveyance to PLC system, the revolving speed control with steamer mechatronics, three
System processed directly acquires steam turbine operation information, mutually communicates between revolution speed control system and PLC system, and the speed closes control dress
It sets and is controlled respectively with revolution speed control system, PLC system, the regulating combined device closes control device by speed and controlled, and adjusts
Steam inlet in section combination unit control steam turbine, the detection of motor 3,4 power monitoring of blower are connect with PLC system,
The regulating device is mounted on steam engine 1, regulating device input terminal with speed close control device connect, regulating device output end and
Regulating combined device connection.
In this example, the speed, which is closed, is equipped with solenoid valve, electro-control converter and oil valve in control device, the solenoid valve passes through
It is connect with PLC system, the electro-control converter is connect with rotary speed system, and the oil valve passes through solenoid valve control, the adjusting group
It attaches together and is equipped with quick-closing valve and regulating valve in setting, the quick-closing valve closes the oil valve in control device with speed and connect, the adjusting air valve
It closes the electro-control converter in control device with speed to connect, quick-closing valve controls the switch on the inlet pipe road of steam turbine, and regulating valve controls vapour
The size of the air inflow of turbine.
In this example, the regulating device input terminal is connect respectively at electro-control converter with oil pump by oil circuit, the tune
The connection of the input terminal of regulating device output end and servo valve.
In this example, described steps are as follows: when quantity of steam deficiency steam turbine power decline, motor 3 can supplemental capacity, when
When 4 power of quantity of steam abundance blower is less than steam turbine rated power, the then output power of asynchronous motor 3 makes up to equilibrium-like
State.If steam is insufficient, supplement difference power can be provided by external power supply, it is unattended that equipment operates normally realization.
One kind being based on 4 vapour electricity double drive control system of air-introduced machine and control method, and steam turbine control system is realized to steam-operating
The control of machine 1, realizes 1 intelligentized control method of steam engine, and the rotation speed of real-time control steam engine 1 improves steam engine 1 to steam
Utilization efficiency reduces the use of steam, by can compensating when 1 operational efficiency bottom of steam engine for motor 3, mentions
The stability of high entire vapour system when the power stability of steam engine 1, drive motor 3 and blower 4 can run simultaneously, mention
The utilization efficiency of high steam engine 1 improves the efficiency of the energy, reduces cost of investment.
The above is only a preferred embodiment of the present invention, it should be pointed out that: for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (4)
1. one kind is based on air-introduced machine vapour electricity double drive control system, the double draggings of the gas-turbine be successively by steam turbine, speed change from
Clutch, motor, speed reducer B and blower composition, it is characterised in that: the vapour electric control system is by steam turbine control system
System, motor power (output) detection, power of fan monitoring, the motor power (output) detection and electronic mechatronics, the power of fan
Monitoring is electrically connected with blower, and the steam turbine control system is that two overspeed protections is selected to fill by revolution speed control system, PLC system, three
Set, speed close control device, regulating combined device and regulating device composition, described three select two overspeed protective devices directly and steamer
Mechatronics, three select two overspeed protective devices to will test information conveyance to PLC system, and the revolution speed control system directly acquires vapour
Turbine operation information, mutually communicates between revolution speed control system and PLC system, and the speed is closed control device and controlled respectively with revolving speed
System, PLC system control, the regulating combined device close control device by speed and are controlled, and regulating combined device controls vapour
Steam inlet in turbine, the electronic machine testing, power of fan monitoring are connect with PLC system, and the regulating device is mounted on
On steam engine, regulating device input terminal closes control device with speed and connect, and regulating device output end is connect with regulating combined device.
2. being based on air-introduced machine vapour electricity double drive control system according to claim 1, it is characterised in that: the speed closes control dress
In setting be equipped with solenoid valve, electro-control converter and oil valve, the solenoid valve by being connect with PLC system, the electro-control converter with
Rotary speed system connection, the oil valve pass through solenoid valve control, and quick-closing valve and regulating valve are equipped in the regulating combined device, described
Quick-closing valve closes the oil valve in control device with speed and connect, and the adjusting air valve and speed are closed the electro-control converter in control device and connected
It connects, quick-closing valve controls the switch on the inlet pipe road of steam turbine, and regulating valve controls the size of the air inflow of steam turbine.
3. being based on air-introduced machine vapour electricity double drive control system according to claim 1, it is characterised in that: the regulating device is defeated
Enter end to connect respectively at electro-control converter with oil pump by oil circuit, the input terminal of the regulating device output end and servo valve connects
It connects.
4. a kind of control method based on air-introduced machine vapour electricity double drive control system: it is characterized by: described, steps are as follows: working as steaming
Vapour amount deficiency steam turbine power decline, motor can supplemental capacity, when quantity of steam abundance power of fan be less than the specified function of steam turbine
When rate, asynchronous motor then output power makes up to equilibrium state, if steam is insufficient, it is poor can to provide supplement by external power supply
Volume power, it is unattended that equipment operates normally realization.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910263347.8A CN110067757B (en) | 2019-04-02 | 2019-04-02 | Steam-electricity dual-drive control system and control method based on induced draft fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910263347.8A CN110067757B (en) | 2019-04-02 | 2019-04-02 | Steam-electricity dual-drive control system and control method based on induced draft fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110067757A true CN110067757A (en) | 2019-07-30 |
| CN110067757B CN110067757B (en) | 2021-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910263347.8A Active CN110067757B (en) | 2019-04-02 | 2019-04-02 | Steam-electricity dual-drive control system and control method based on induced draft fan |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3643437A (en) * | 1969-10-16 | 1972-02-22 | Westinghouse Electric Corp | Overspeed protection system for a steam turbine generator |
| JPS6371503A (en) * | 1986-09-12 | 1988-03-31 | Fuji Electric Co Ltd | Overspeed preventing device for turbine |
| CN1959067A (en) * | 2005-11-03 | 2007-05-09 | 沈阳创思达自动化***有限公司 | Speed adjustment control system of steam turbine |
| CN201288679Y (en) * | 2008-11-10 | 2009-08-12 | 北京得能创新科技有限公司 | Dual driving apparatus for steam turbine and electric motor |
| CN102042047A (en) * | 2009-10-15 | 2011-05-04 | 上海电气电站设备有限公司 | Overspeed protection device of turbine |
| CN109519232A (en) * | 2018-09-30 | 2019-03-26 | 西安陕鼓动力股份有限公司 | SHRT unit frequency-conversion device auto-adjustment control method synchronous with turbine speed |
-
2019
- 2019-04-02 CN CN201910263347.8A patent/CN110067757B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3643437A (en) * | 1969-10-16 | 1972-02-22 | Westinghouse Electric Corp | Overspeed protection system for a steam turbine generator |
| JPS6371503A (en) * | 1986-09-12 | 1988-03-31 | Fuji Electric Co Ltd | Overspeed preventing device for turbine |
| CN1959067A (en) * | 2005-11-03 | 2007-05-09 | 沈阳创思达自动化***有限公司 | Speed adjustment control system of steam turbine |
| CN201288679Y (en) * | 2008-11-10 | 2009-08-12 | 北京得能创新科技有限公司 | Dual driving apparatus for steam turbine and electric motor |
| CN102042047A (en) * | 2009-10-15 | 2011-05-04 | 上海电气电站设备有限公司 | Overspeed protection device of turbine |
| CN109519232A (en) * | 2018-09-30 | 2019-03-26 | 西安陕鼓动力股份有限公司 | SHRT unit frequency-conversion device auto-adjustment control method synchronous with turbine speed |
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| CN110067757B (en) | 2021-04-02 |
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