CN206376905U - A kind of steam turbine quick start system based on intelligent temperature control - Google Patents
A kind of steam turbine quick start system based on intelligent temperature control Download PDFInfo
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- CN206376905U CN206376905U CN201621275741.1U CN201621275741U CN206376905U CN 206376905 U CN206376905 U CN 206376905U CN 201621275741 U CN201621275741 U CN 201621275741U CN 206376905 U CN206376905 U CN 206376905U
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- steam turbine
- temperature
- thermal resistance
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- pressure cylinder
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Abstract
A kind of steam turbine quick start system based on intelligent temperature control, it includes Intelligent control cabinet, device for rapidly starting, first thermometric thermal resistance, pressure transmitter and flow transmitter, it is respectively arranged on the import pneumatic control valve and outlet pneumatic control valve at device for rapidly starting two ends, Steam Turbine Through IP Admission, steam turbine high-pressure cylinder, it is installed on the second thermometric thermal resistance in Steam Turbine Through IP Admission and steam turbine high-pressure cylinder, the temperature of the second thermometric thermal resistance above the Intelligent control cabinet monitoring Steam Turbine Through IP Admission or steam turbine high-pressure cylinder is shown, the temperature of the first thermometric thermal resistance above the Intelligent control cabinet monitoring device for rapidly starting is shown.The utility model can be during heating, the temperature difference measured using the first thermometric thermal resistance on steam turbine and device for rapidly starting carries out calculating heating, and according to rate of heat addition controlling opening of valve size, temperature can be automatically adjusted, device is once come into operation without manual intervention, and automatic running is calculated automatically.
Description
Technical field
The utility model belongs to power drive technical field, more particularly to a kind of steam turbine based on intelligent temperature control is quick
Activation system.
Background technology
Steam turbine is the rotary power machinery that the energy of steam is converted into mechanical work, is mainly used as the original of generating
Motivation, can also directly drive various pumps, blower fan, compressor and propeller for vessels.Steam discharge that can also be using steam turbine or centre
Draw gas and meet production and heat supply needs in life.
Country is increasingly strict with environmental requirement for thermal power plant, and the discharge of pollutant is not only real in unit operation
When monitor, during unit starting also in real time monitoring.During unit starting, steam turbine in terms of the machinery due to need
Warming-up is wanted, now steam parameter is low, the residence time is long, boiler is unable to reach ideal operation state, environmental protection sets and can not normally thrown
Enter, the discharge severe overweight of pollutant brings great environmental protection pressure to power plant.
Therefore, be badly in need of it is a kind of based on the steam turbine quick start system of intelligent temperature control to solve present in prior art
Problem.
Utility model content
In view of this, the purpose of this utility model, which is to provide a kind of steam turbine based on intelligent temperature control quickly to start, is
System, is especially suitable for fire coal, fuel oil, the steam turbine in thermal power plant and quickly starts.
To achieve the above object, the utility model provides following technical scheme：
A kind of steam turbine quick start system based on intelligent temperature control, it include Intelligent control cabinet, device for rapidly starting,
The first thermometric thermal resistance, the pressure transmitter on device for rapidly starting and flow pick-up on device for rapidly starting
Device, the import pneumatic control valve located at device for rapidly starting one end, the pneumatic regulation in outlet located at the device for rapidly starting other end
Valve, Steam Turbine Through IP Admission, steam turbine high-pressure cylinder, the second thermometric thermoelectricity being installed in Steam Turbine Through IP Admission and steam turbine high-pressure cylinder
The temperature of the second thermometric thermal resistance above resistance, the Intelligent control cabinet monitoring Steam Turbine Through IP Admission or steam turbine high-pressure cylinder is entered
The temperature of the first thermometric thermal resistance above row display, the Intelligent control cabinet monitoring device for rapidly starting is shown.
It is preferred that, in the above-mentioned steam turbine quick start system based on intelligent temperature control, the Intelligent control cabinet is realized
The contrast of the temperature of first thermometric thermal resistance and the temperature of the second thermometric thermal resistance, and the temperature to be heated is calculated, it will calculate
Temperature signal be converted into data signal to a scr voltage converter, the scr voltage converter adjustment controllable silicon will
Heating is completed after the power of heating, Steam Turbine Through IP Admission or steam turbine high-pressure cylinder are conveyed to after the completion of heating, is then carried out again
Thermometric is shown.
It is preferred that, it is described based on intelligent temperature control in the above-mentioned steam turbine quick start system based on intelligent temperature control
Steam turbine quick start system carried out according to the speed speed of Steam Turbine Through IP Admission or steam turbine high-pressure cylinder temperature change it is empty
Throughput is adjusted, when the change of scene temperature speed is very fast, can be automatic by import pneumatic control valve and outlet pneumatic control valve
Aperture is turned down, when the change of scene temperature speed is slower, by import pneumatic control valve and can export holding for pneumatic control valve automatically
Degree is tuned up, and the flow after the completion of regulation by pressure transmitter and flow transmitter the monitoring vision-control of device for rapidly starting is big
It is small, prevent that Steam Turbine Through IP Admission or high pressure cylinder temperature change are too fast.
To achieve the above object, the present invention also provides following technical scheme：
A kind of steam turbine quick start system based on intelligent temperature control, it includes：
Device for rapidly starting：Its first thermometric thermal resistance, pressure transmitter and flow transmitter for including being provided thereon, enter
Mouth pneumatic control valve, outlet pneumatic control valve；
Steam turbine cylinder pressure：It includes Steam Turbine Through IP Admission, steam turbine high-pressure cylinder, is installed on Steam Turbine Through IP Admission and steam turbine
The second thermometric thermal resistance on high pressure cylinder；
Monitoring unit：Temperature for monitoring the second thermometric thermal resistance above Steam Turbine Through IP Admission or steam turbine high-pressure cylinder
Degree, the temperature for monitoring the first thermometric thermal resistance above device for rapidly starting；
Judging unit：Temperature for realizing the second thermometric thermal resistance above Steam Turbine Through IP Admission or steam turbine high-pressure cylinder
Degree and the contrast of the temperature of the first thermometric thermal resistance above device for rapidly starting；
Computing unit：The temperature to be heated is gone out by the contrast conting of judging unit, the temperature signal of calculating is converted into
Data signal is completed after giving a scr voltage converter, the scr voltage converter adjustment controllable silicon power to be heated
Heating, is conveyed to Steam Turbine Through IP Admission or high pressure cylinder, thermometric is then carried out again and is shown after the completion of heating；
Flow regulating unit:Air mass flow is carried out according to the speed speed of Steam Turbine Through IP Admission or high pressure cylinder temperature change
Regulation, when the change of scene temperature speed is very fast, automatically can adjust the aperture of import pneumatic control valve and outlet pneumatic control valve
It is small, when the change of scene temperature speed is slower, automatic import pneumatic control valve can be tuned up with the aperture for exporting pneumatic control valve,
The uninterrupted of vision-control is monitored by the pressure transmitter and flow transmitter of device for rapidly starting after the completion of regulation, vapour is prevented
Turbine intermediate pressure cylinder or high pressure cylinder temperature change are too fast.
To achieve the above object, the present invention also provides following technical scheme：
A kind of steam turbine quick start method based on intelligent temperature control, it include Intelligent control cabinet, device for rapidly starting,
The first thermometric thermal resistance, the pressure transmitter on device for rapidly starting and flow pick-up on device for rapidly starting
Device, the import pneumatic control valve located at device for rapidly starting one end, the pneumatic regulation in outlet located at the device for rapidly starting other end
Valve, Steam Turbine Through IP Admission, steam turbine high-pressure cylinder, the second thermometric thermoelectricity being installed in Steam Turbine Through IP Admission and steam turbine high-pressure cylinder
Resistance, method and step includes：
Step a：Intelligent control cabinet monitors the second thermometric thermal resistance above Steam Turbine Through IP Admission or steam turbine high-pressure cylinder
Temperature shown that the temperature of the first thermometric thermal resistance above Intelligent control cabinet monitoring device for rapidly starting is shown；
Step b：Intelligent control cabinet is contrasted to the two groups of temperature display monitored in step a, and is calculated and to be heated
Temperature, the temperature signal of calculating is converted into data signal to a scr voltage converter, the silicon controlled rectifier voltage adjustment
Heating is completed after the device adjustment controllable silicon power to be heated, Steam Turbine Through IP Admission or high pressure cylinder are conveyed to after the completion of heating, so
Thermometric is carried out again afterwards to show；
Step c：While step b is carried out, according to the speed speed of Steam Turbine Through IP Admission or high pressure cylinder temperature change
Both air flow modulation is carried out, when the change of scene temperature speed is very fast, by import pneumatic control valve and pneumatic tune can be exported automatically
The aperture of section valve is turned down, when the change of scene temperature speed is slower, by import pneumatic control valve and can export pneumatic regulation automatically
The aperture of valve is tuned up, and the stream of vision-control is monitored by the pressure transmitter and flow transmitter of device for rapidly starting after the completion of regulation
Size is measured, prevents that Steam Turbine Through IP Admission or high pressure cylinder temperature change are too fast.
It can be seen from the above technical proposal that the present invention can utilize steam turbine and quick startup during heating
The temperature difference that the first thermometric thermal resistance on device is measured carries out calculating heating, and big according to rate of heat addition controlling opening of valve
Small, temperature can be automatically adjusted, and device is once come into operation without manual intervention, and automatic running is calculated automatically.
Brief description of the drawings
Fig. 1 is the schematic diagram of the steam turbine quick start system of the invention based on intelligent temperature control.
Fig. 2 is device for rapidly starting structure chart of the present invention.
Wherein：1st, Intelligent control cabinet；2nd, import pneumatic control valve；3rd, device for rapidly starting；4th, pressure transmitter；5th, flow
Transmitter；6th, the first thermometric thermal resistance；7th, pneumatic control valve is exported；8th, Steam Turbine Through IP Admission；9th, steam turbine high-pressure cylinder；10th,
Two thermometric thermal resistances；11st, admission line；12nd, filter；13rd, the first electric heater；14th, the second electric heater；15th, the first collection
Gas tank；16th, the second plenum chamber；17th, outlet pipe；18th, import hand-operated valve；19th, the first pipeline；20th, safety valve；21st, the second pipe
Road；22nd, series valve；23rd, the 3rd pipeline；24th, parallel valve；25th, the 4th pipeline；26th, parallel valve；27th, the 5th pipeline；28th, the 6th
Pipeline；29th, series valve；31st, hand-operated valve is exported；32nd, air guide drain pipe threeway；33rd, air guide bleeder pipe threeway.
Embodiment
The invention discloses a kind of steam turbine quick start system and method based on intelligent temperature control, in the process of heating
In, the temperature difference progress calculating heating measured using the first thermometric thermal resistance on steam turbine and device for rapidly starting, and according to
Rate of heat addition controlling opening of valve size.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is retouched in detail
State, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based on the present invention
In embodiment, the every other implementation that those of ordinary skill in the art are obtained on the premise of creative work is not made
Example, belongs to the scope of protection of the invention.
As described in Figure 1, a kind of steam turbine quick start system based on intelligent temperature control, it includes Intelligent control cabinet 1, fast
Fast starter 3, Steam Turbine Through IP Admission 8 and steam turbine high-pressure cylinder 9；
The device for rapidly starting includes being provided with admission line 11, filter 12, the first electrical heating in housing, the housing
Device 13, the second electric heater 14, the first plenum chamber 15, the second plenum chamber 16 and outlet pipe 17, admission line and filter phase
Connection, admission line is provided with import hand-operated valve 18 and import pneumatic control valve 2, and filter passes through the first pipeline 19 and the first electricity
Heater is connected, and the first pipeline is provided with safety valve 20, pressure transmitter 4 and flow transmitter 5, and the first electric heater passes through
Second pipe 21 is connected with the second electric heater, and second pipe is provided with series valve 22, between the first pipeline and second pipe
It is connected by the 3rd pipeline 23, the 3rd pipeline is provided with parallel valve 24, the first plenum chamber passes through the 4th pipeline 25 and the second pipe
Road is connected, and the 4th pipeline is provided with parallel valve 26, and the second plenum chamber is connected by the 5th pipeline 27 with the second electric heater,
It is connected between first plenum chamber and the second plenum chamber by the 6th pipeline 28, the 6th pipeline is provided with series valve 29, described the
Two outlet pipes are equipped with one plenum chamber and the second plenum chamber, each outlet pipe is provided with the outlet He of pneumatic control valve 7
Export and be equipped with a first thermometric thermal resistance 6, the filter on hand-operated valve 31, first plenum chamber and the second plenum chamber
Quantity be two, realize secondary filtration；
Two outlet pipes on first plenum chamber are respectively with the air guide drain pipe threeway 32 in steam turbine high-pressure cylinder and leading
Gas bleeder pipe threeway 33 is connected, and a second thermometric thermal resistance is respectively equipped with steam turbine high-pressure cylinder and Steam Turbine Through IP Admission
10；Two outlet pipes connected on second plenum chamber are put with the threeway of air guide drain pipe and air guide in Steam Turbine Through IP Admission respectively
Tracheae threeway is connected, and the pressure transmitter, flow transmitter, the first thermometric thermal resistance, the second thermometric thermal resistance, works off one's feeling vent one's spleen
Dynamic regulating valve, import pneumatic control valve are connected with Intelligent control cabinet, and the Intelligent control cabinet 1 monitors Steam Turbine Through IP Admission 8
Or the temperature of the second thermometric thermal resistance above steam turbine high-pressure cylinder 9 is shown, the Intelligent control cabinet 1, which is monitored, quickly to be opened
The temperature of the second thermometric thermal resistance above dynamic device 3 is shown.
The Intelligent control cabinet 1 realizes the temperature and the first thermometric thermoelectricity of second the second thermometric of thermometric thermal resistance thermal resistance 10
The contrast of the temperature of resistance 6, and the temperature to be heated is calculated, the temperature signal of calculating is converted into data signal to a controllable silicon
Heating is completed after voltage adjuster, the scr voltage converter adjustment controllable silicon power to be heated, it is defeated after the completion of heating
Steam Turbine Through IP Admission 8 or steam turbine high-pressure cylinder 9 are given, thermometric is then carried out again and is shown.
The steam turbine quick start system based on intelligent temperature control is according to Steam Turbine Through IP Admission 8 or turbine high-pressure
The speed speed of the temperature change of cylinder 9 carries out both air flow modulation, can be automatic by inlet gas when the change of scene temperature speed is very fast
Dynamic regulating valve 2 and the aperture of outlet pneumatic control valve 7 are turned down, can be automatic by inlet gas when the change of scene temperature speed is slower
Dynamic regulating valve 2 and the aperture of outlet pneumatic control valve 7 are tuned up, by the He of pressure transmitter 4 of device for rapidly starting 3 after the completion of regulation
Flow transmitter 5 monitors the uninterrupted of vision-control, prevents Steam Turbine Through IP Admission 8 or the temperature change of steam turbine high-pressure cylinder 9
It is too fast.
A kind of steam turbine quick start system based on intelligent temperature control of the present invention, in terms of another angle, it includes：
Device for rapidly starting：It includes the first thermometric thermal resistance 6, pressure transmitter 4 and the flow transmitter being provided thereon
5th, import pneumatic control valve 2, outlet pneumatic control valve 7；
Steam turbine cylinder pressure：It includes Steam Turbine Through IP Admission 8, steam turbine high-pressure cylinder 9, is installed on Steam Turbine Through IP Admission 8 and vapour
The second thermometric thermal resistance 10 on turbine high pressure cylinder 9；
Monitoring unit：For monitoring the second thermometric thermal resistance 10 above Steam Turbine Through IP Admission 8 or steam turbine high-pressure cylinder 9
Temperature, the temperature for monitoring the first thermometric thermal resistance 6 above device for rapidly starting 3；
Judging unit：Temperature for realizing the second thermometric thermal resistance 10 above intermediate pressure cylinder 8 or steam turbine high-pressure cylinder 9
With the contrast of the temperature of the first thermometric thermal resistance 6 above device for rapidly starting 3；
Computing unit：The temperature to be heated is gone out by the contrast conting of judging unit, the temperature signal of calculating is converted into
Data signal is completed after giving a scr voltage converter, the scr voltage converter adjustment controllable silicon power to be heated
Heating, is conveyed to Steam Turbine Through IP Admission 8 or steam turbine high-pressure cylinder 9, thermometric is then carried out again and is shown after the completion of heating；
Flow regulating unit:Carried out according to the speed speed of Steam Turbine Through IP Admission 8 or the temperature change of steam turbine high-pressure cylinder 9
Both air flow modulation, can be automatic by import pneumatic control valve 2 and outlet pneumatic control valve when the change of scene temperature speed is very fast
7 aperture is turned down, when the change of scene temperature speed is slower, can be automatic by import pneumatic control valve 2 and outlet pneumatic control valve 7
Aperture tune up, vision-control is monitored by the pressure transmitter 4 and flow transmitter 5 of device for rapidly starting 3 after the completion of regulation
Uninterrupted, prevents that Steam Turbine Through IP Admission 8 or the temperature change of steam turbine high-pressure cylinder 9 are too fast.
The present invention a kind of steam turbine quick start method based on intelligent temperature control, it include Intelligent control cabinet 1, quickly
Starter 3, the first thermometric thermal resistance 6, the pressure inverting on device for rapidly starting 3 on device for rapidly starting 3
It is import pneumatic control valve 2 of the device 4 with flow transmitter 5, located at the one end of device for rapidly starting 3, another located at device for rapidly starting 3
The outlet pneumatic control valve 7 at end, Steam Turbine Through IP Admission 8, steam turbine high-pressure cylinder 9, it is installed on Steam Turbine Through IP Admission 8 and steam turbine is high
The second thermometric thermal resistance 10 on cylinder pressure 9, method and step includes：
Step a：Intelligent control cabinet 1 monitors the second thermometric thermoelectricity above Steam Turbine Through IP Admission 8 or steam turbine high-pressure cylinder 9
The temperature of resistance 10 is shown that the temperature of the first thermometric thermal resistance 6 above the monitoring device for rapidly starting 3 of Intelligent control cabinet 1 is entered
Row display；
Step b：Intelligent control cabinet is contrasted to the two groups of temperature display monitored in step a, and is calculated and to be heated
Temperature, the temperature signal of calculating is converted into data signal to a scr voltage converter, the silicon controlled rectifier voltage adjustment
Heating is completed after the device adjustment controllable silicon power to be heated, Steam Turbine Through IP Admission 8 is conveyed to after the completion of heating or steam turbine is high
Cylinder pressure 9, then carries out thermometric and shows again；
Step c：While step b is carried out, according to Steam Turbine Through IP Admission 8 or the temperature change of steam turbine high-pressure cylinder 9
Speed speed carries out both air flow modulation, when the change of scene temperature speed is very fast, by import pneumatic control valve 2 and can go out automatically
The aperture of mouth pneumatic control valve 7 is turned down, when the change of scene temperature speed is slower, by import pneumatic control valve 2 and can be gone out automatically
The aperture of mouth pneumatic control valve 7 is tuned up, and is supervised after the completion of regulation by the pressure transmitter 4 and flow transmitter 5 of device for rapidly starting 3
The uninterrupted of vision-control is surveyed, prevents that Steam Turbine Through IP Admission 8 or the temperature change of steam turbine high-pressure cylinder 9 are too fast.
The present invention can be surveyed during heating using the first thermometric thermal resistance on steam turbine and device for rapidly starting
The temperature difference gone out carries out calculating heating, and according to rate of heat addition controlling opening of valve size, temperature can be automatically adjusted, device one
Denier is come into operation without manual intervention, and automatic running is calculated automatically.
Beneficial effects of the present invention include：
1st, the device can carry out PID temperature and automatically adjust according to the temperature difference of cylinder and device for rapidly starting.
2nd, the device accurately controls the temperature of heating, and the temperature difference is no more than ± 3OC.
3rd, the device can carry out PID valve openings according to steam turbine rate temperature change and automatically adjust.
4th, the device is once come into operation without manual intervention, and automatic running is calculated automatically.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (2)
1. a kind of steam turbine quick start system based on intelligent temperature control, it is characterised in that：It includes Intelligent control cabinet, quick
Starter, the first thermometric thermal resistance on device for rapidly starting, the pressure transmitter on device for rapidly starting with
Flow transmitter, the import pneumatic control valve located at device for rapidly starting one end, the outlet located at the device for rapidly starting other end
Pneumatic control valve, Steam Turbine Through IP Admission, steam turbine high-pressure cylinder, be installed in Steam Turbine Through IP Admission and steam turbine high-pressure cylinder second
The second thermometric thermal resistance above thermometric thermal resistance, the Intelligent control cabinet monitoring Steam Turbine Through IP Admission or steam turbine high-pressure cylinder
Temperature shown that the temperature of the first thermometric thermal resistance above Intelligent control cabinet monitoring device for rapidly starting is shown
Show.
2. a kind of steam turbine quick start system based on intelligent temperature control, it is characterised in that：It includes：
Device for rapidly starting：It includes the first thermometric thermal resistance, pressure transmitter and flow transmitter, the inlet gas being provided thereon
Dynamic regulating valve, outlet pneumatic control valve；
Steam turbine cylinder pressure：It includes Steam Turbine Through IP Admission, steam turbine high-pressure cylinder, is installed on Steam Turbine Through IP Admission and turbine high-pressure
The second thermometric thermal resistance on cylinder；
Monitoring unit：Temperature for monitoring the second thermometric thermal resistance above Steam Turbine Through IP Admission or steam turbine high-pressure cylinder,
Temperature for monitoring the first thermometric thermal resistance above device for rapidly starting；
Judging unit：For realize the temperature of the second thermometric thermal resistance above Steam Turbine Through IP Admission or steam turbine high-pressure cylinder with
The contrast of the temperature of the first thermometric thermal resistance above device for rapidly starting；
Computing unit：The temperature to be heated is gone out by the contrast conting of judging unit, the temperature signal of calculating is converted into numeral
Signal completes to add after giving a scr voltage converter, the scr voltage converter adjustment controllable silicon power to be heated
Steam Turbine Through IP Admission or high pressure cylinder are conveyed to after the completion of heat, heating, thermometric is then carried out again and is shown；
Flow regulating unit:Air mass flow tune is carried out according to the speed speed of Steam Turbine Through IP Admission or high pressure cylinder temperature change
Section, when the change of scene temperature speed is very fast, automatically can turn the aperture of import pneumatic control valve and outlet pneumatic control valve down,
When the change of scene temperature speed is slower, automatic import pneumatic control valve can be tuned up with the aperture for exporting pneumatic control valve, adjusted
The uninterrupted of vision-control is monitored by the pressure transmitter and flow transmitter of device for rapidly starting after the completion of section, steamer is prevented
Machine intermediate pressure cylinder or high pressure cylinder temperature change are too fast.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621275741.1U CN206376905U (en) | 2016-11-25 | 2016-11-25 | A kind of steam turbine quick start system based on intelligent temperature control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621275741.1U CN206376905U (en) | 2016-11-25 | 2016-11-25 | A kind of steam turbine quick start system based on intelligent temperature control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206376905U true CN206376905U (en) | 2017-08-04 |
Family
ID=59405452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621275741.1U Expired - Fee Related CN206376905U (en) | 2016-11-25 | 2016-11-25 | A kind of steam turbine quick start system based on intelligent temperature control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206376905U (en) |
-
2016
- 2016-11-25 CN CN201621275741.1U patent/CN206376905U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170804 Termination date: 20201125 |