CN107491107A - A kind of pressure automatic control system and its application in steel mill - Google Patents
A kind of pressure automatic control system and its application in steel mill Download PDFInfo
- Publication number
- CN107491107A CN107491107A CN201710906383.2A CN201710906383A CN107491107A CN 107491107 A CN107491107 A CN 107491107A CN 201710906383 A CN201710906383 A CN 201710906383A CN 107491107 A CN107491107 A CN 107491107A
- Authority
- CN
- China
- Prior art keywords
- pressure
- plc
- automatic control
- hot saw
- control
- Prior art date
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D16/00—Control of fluid pressure
- G05D16/20—Control of fluid pressure characterised by the use of electric means
- G05D16/2006—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means
- G05D16/2013—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means using throttling means as controlling means
- G05D16/2026—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means using throttling means as controlling means with a plurality of throttling means
Abstract
The present invention discloses a kind of pressure automatic control system, including：Detection module, host computer, hot saw PLC and quickly regulate and control unit；Wherein, detection module and the hot saw PLC is connected by Ethernet with host computer respectively, shared data；The quick regulation and control unit is connected with hot saw PLC by DP buses.The application provides a kind of control pressurer system, and the system is applied to input in the control of generating set pressure in steel mill, makes the Stress control of input generating set in stable scope；The control pressurer system has the characteristics that quick response, adjusted in real time.
Description
Technical field
The present invention relates to a kind of control pressurer system, and in particular to a kind of pressure automatic control system and its in steel mill
Using.
Background technology
For Resources for construction economizing type, environmentally friendly harmonious society, steel mill utilizes caused Jiao in production process
Stove and Power Generation by BF Gas.The gas turbine generator group that steel mill's circulating generation engineering uses requires that the gas pressure of input is stable.
Mixed gas voltage stabilizing at present is realized using large-scale pneumatic pressure-regulating valve.Due to technology, safety and cost, Er Qieshou
The influence of the hysteresis characteristic and gas compressibility of pneumatic actuator etc., large-scale pneumatic pressure-regulating valve response lag and regulation
Not in time so that be sent to gas turbine mixed gas pressure fluctuation it is excessive, cause the hair of generating set machine halt trouble sometimes
It is raw.
The content of the invention
In view of this, the application provides a kind of control pressurer system, and the system is applied to input generator in steel mill
In the control of group pressure, make the Stress control of input generating set in stable scope；The control pressurer system has quick
The features such as responding, adjusting in real time.
To solve above technical problem, technical scheme provided by the invention is a kind of control pressurer system, including：Detection is single
Member, host computer, hot saw PLC and quickly regulate and control unit；Wherein, the detection unit and hot saw PLC respectively by Ethernet with it is upper
Position machine is connected, shared data；The quick regulation and control unit is connected with hot saw PLC by DP buses.
Preferably, at least one pressure transmitter is provided with the detection unit, passes through its measurement range and display number
According to the gas pressure for understanding input.
Preferably, the hot saw PLC includes power distribution cabinet and CPU module, and the power distribution cabinet quantity is multiple, each power distribution cabinet
Inside it is both provided with PLC and power module.
Preferably, the cascade system that the quick regulation and control unit passes through DP bus transfers with the multiple PLC.
Preferably, the quick regulation and control unit includes manual control module and automatic control module, wherein, the automatic control
Molding block includes adjusting part, instruction component and alarm assemblies.
Preferably, the adjusting part includes air inducing thermomechanical components and blower assembly, wherein, the air inducing thermomechanical components are used for
Gas pressure is reduced, the blower assembly is used to raise gas pressure, by controlling air inducing thermomechanical components and blower assembly
Working condition is with the gas pressure of control input.
A kind of side that intelligent control is carried out to inputting generating set pressure in steel mill using above-mentioned pressure automatic control system
Method, comprise the following steps：
1) detection unit is detected in real time to the gas pressure for inputting generating set, and detection data are passed through into Ethernet
Transmit to host computer and integrated；
2) host computer manages the data transfer integrated to hot saw PLC everywhere, and hot saw PLC is according to the master pattern pair to prestore
Gathered data carries out processing computing, and acquired results are transmitted to quick control unit executive control operation, so as to reach intelligence
The purpose of the gas pressure of control input.
Preferably, it is described it is rapid 2) in comprise the following steps that：Host computer is by the data transfer integrated into hot saw PLC
CPU module is handled, and CPU module carries out processing computing according to the master pattern to prestore to gathered data, is made a choice manually
The judgement that control module or automatic control module are controlled to input pressure, and operation result is transmitted into hot saw PLC
PLC, acquired results are transmitted to quick control unit executive control operation by PLC, so as to reach the coal gas of intelligent control input
The purpose of pressure.
A kind of pressure automatic control system provided herein, it includes：Detection unit, host computer, hot saw PLC and quick
Regulate and control unit；Wherein, the detection unit and hot saw PLC are connected by Ethernet with host computer respectively, shared data；It is described fast
Velocity modulation control unit is connected with hot saw PLC by DP buses.Wherein, at least one pressure transmitter is provided with detection unit, is pressed
Power transmitter be it is a kind of convert pressure into pneumatic signal or electromotive signal is controlled equipment with teletransmission, by calculating its survey
The ratio for trying scope and display data is the pressure for understanding input generating set.The data detected are passed through ether by detection unit
Net sends to host computer and integrated, meanwhile, the data integrated are sent to hot saw PLC and adjusted by host computer by Ethernet
Control.
Wherein, hot saw PLC includes power distribution cabinet and CPU module, and the power distribution cabinet quantity is multiple, is set in each power distribution cabinet
It is equipped with PLC and power module, the cascade system that the quick regulation and control unit passes through DP bus transfers with the multiple PLC.Hot saw
After PLC receives the data from host computer, its internal CPU will be handled gathered data according to the master pattern to prestore
Computing, and the judgement regulated and controled to input pressure is made whether, if desired it is regulated and controled, then further made using what
The judgement that kind means are regulated and controled；Wherein, when gathered data and larger master pattern deviation, CPU is made using control manually
The judgement of module control input gas pressure, and the PLC in transmission signal to hot saw PLC, manual control module is controlled by PLC
Use, the indicator lamp that is connected with manual control module starts working, at the same time, hot saw PLC transmission signals to host computer, leads to
Know that staff's manual control module has been started up, staff should carry out operational control, manual control module to transmission pressure
Emergency can also be handled in real time.When gathered data and smaller master pattern deviation, CPU makes using and automatically controlled
The judgement of module control input gas pressure, and the PLC in transmission signal to hot saw PLC, automatic control module is controlled by PLC
Use, adjusting part and alarm assemblies in automatic control module start working, and instruction component is stopped, at the same time,
Hot saw PLC transmission signals notify that automatic control module has been started up staff, make staff to input pressure to host computer
Regulation process is monitored in real time, if input pressure is adjusted to standard value by automatic control module, adjusting part and report
Alert component is stopped, and instruction component is started working.Wherein, adjusting part includes air inducing thermomechanical components and blower assembly, described
Air inducing thermomechanical components are used to reduce gas pressure, and the blower assembly is used to raise gas pressure, by controlling air inducing thermomechanical components
And the working condition of blower assembly passes through the real-time monitoring for inputting gas pressure and real-time tune with the gas pressure of control input
Control, so that the gas pressure control of input generating set is in stable scope.
Above-mentioned control system is inputted in the control of generating set pressure in steel mill, it has quick response, reality
When the features such as adjusting.
The positive achievement that the present invention obtains is：
The application proposes a kind of pressure automatic control system, its gas pressure by detecting input generating set in real time,
And will detection data integrated by host computer after send to being analyzed in hot saw PLC and regulation and control processing, hot saw PLC can according to point
The startup of analysis situation selectivity quickly regulates and controls manual control module and automatic control module in unit, manually control module
And after automatic control module is regulated and controled, you can the gas pressure for inputting generating set is controlled in stable scope, wherein,
Manual control module is applied also in the processing of emergency.
Brief description of the drawings
Fig. 1 is a kind of pressure automatic control system flow chart of the present invention
Embodiment
In order that those skilled in the art more fully understands technical scheme, with reference to specific embodiment pair
The present invention is described in further detail.
The energy is the important substance basis of the development of the national economy and social development and people's lives, sufficient energy resources
Supply is the guarantee of economic heath sustainable development, and iron and steel enterprise can produce substantial amounts of rich raw in the technical process of metal smelt
The characteristics of coal gas, especially blast furnace gas, iron and steel enterprise's richness soft coal gas is that calorific value is low, pollution is big, recovery is difficult, is typically to put in the past
It is scattered in air, so as to cause the wasting of resources and environmental pollution.Some factories are generated electricity using gas boiler burning coal gas
To be reclaimed, but it is generally inefficient, and discharge also bigger.Currently advanced gas recovering device is exactly using combustion
Gas-steam combined cycle power generating technology, greatly improves cycle efficieny, and the discharge capacity of carbon dioxide is greatly reduced.Such steel
Iron enterprise is generated electricity using waste gas, is developed a circular economy, and for economizing on resources, environmental protection, improves the quality and effect of economic growth
Benefit, ensures the development of national economy, and Resources for construction economizing type and environmentally friendly harmonious society all have great importance.
Combined cycle generation system of fuel gas-steam includes：Gas compression pump → gas turbine generator group → waste heat boiler →
Vapor wheel generating set.Technological process is coke oven, blast furnace gas is purified, mixes, gas turbine burning, expansion are sent to after pressurization
Acting, gas turbine generator group is driven to generate electricity；The high-temperature flue gas heating waste heat boiler of discharge of gas turbine produces steam, drives and steams
Turbo-generator Set forms combined cycle generation.Because coal gas is affected by many factors, such as：Combustion engine load, calorific value, air inlet pressure
Power, environment temperature, atmospheric pressure etc..Stress control requirement of the integrated gas-steam combined cycle power plant combustion engine to mixed gas is compared
Height, can realize mixed gas voltage stabilizing control, turn into generation engineering can normal operation key.The control of gas pressure is
Realized by regulating valve.
Due to technology, safety and cost, the voltage stabilizing of coal gas is realized using pneumatic pressure-regulating valve at present.Coal gas
Pressure oscillation is big, can cause serious surge.To prevent surge, pneumatic pressure-regulating valve allows for quick response, quickly beats
On or off is closed.It is larger to input coke oven and the blast furnace mixed gas quantity delivered of every gas turbine, quickly opens or closes.Input is every
The coke oven and blast furnace mixed gas quantity delivered of platform gas turbine are larger, up to cubic meters tens thousand of per hour.Under such big flow,
Because dynamic response is slow, hysteresis, realize that pressure stability and quick response are very by common large-scale pneumatic pressure-regulating valve
Difficult.Pressure transient is the major reason and hidden danger for causing generating equipment to be shut down.
To sum up, the application proposes a kind of control pressurer system, is applied in steel mill input the tune of generating set pressure
In control, to reach real-time monitoring, the purpose regulated and controled in time.
The technical scheme that the application provides is a kind of pressure automatic control system, including：Detection module, host computer, hot saw
PLC and quickly regulate and control unit；Wherein, detection module and the hot saw PLC is connected by Ethernet with host computer respectively, shares number
According to；The quick regulation and control unit is connected with hot saw PLC by DP buses.Wherein, it is provided with the detection unit at least one
Pressure transmitter, it is to understand the gas pressure of input by its measurement range and display data；The hot saw PLC includes power distribution cabinet
And CPU module, the power distribution cabinet quantity are multiple, and PLC and power module are both provided with each power distribution cabinet；The quick regulation and control
The cascade system that unit passes through DP bus transfers with the multiple PLC；The quick regulation and control unit include manual control module and
Automatic control module, wherein, the automatic control control module includes adjusting part, instruction component and alarm assemblies；The regulation group
Part includes air inducing thermomechanical components and blower assembly, wherein, the air inducing thermomechanical components are used to reduce gas pressure, the blower unit
Part is used to raise gas pressure, by controlling the working condition of air inducing thermomechanical components and blower assembly with the coal gas pressure of control input
Power.
A kind of side that intelligent control is carried out to inputting generating set pressure in steel mill using above-mentioned pressure automatic control system
Method, comprise the following steps：
1) detection module is detected in real time to the gas pressure for inputting generating set, and detection data are passed through into Ethernet
Transmit to host computer and integrated；
2) host computer is handled the CPU module in the data transfer integrated to hot saw PLC, and CPU module is according to pre-
The master pattern deposited carries out processing computing to gathered data, and the manual control module that makes a choice or automatic control module are pressed input
The judgement that power is controlled, and operation result is transmitted to the PLC in hot saw PLC, acquired results are transmitted to quick control by PLC
Unit executive control operation processed, so as to reach the purpose of the gas pressure of intelligent control input.
A kind of pressure automatic control system provided herein, it includes：Detection unit, host computer, hot saw PLC and quick
Regulate and control unit；Wherein, the detection unit and hot saw PLC are connected by Ethernet with host computer respectively, shared data；It is described fast
Velocity modulation control unit is connected with hot saw PLC by DP buses.Wherein, at least one pressure transmitter is provided with detection unit, is pressed
Power transmitter be it is a kind of convert pressure into pneumatic signal or electromotive signal is controlled equipment with teletransmission, by calculating its survey
The ratio for trying scope and display data is the pressure for understanding input generating set.The data detected are passed through ether by detection unit
Net sends to host computer and integrated, meanwhile, the data integrated are sent to hot saw PLC and adjusted by host computer by Ethernet
Control.
Wherein, hot saw PLC includes power distribution cabinet and CPU module, and the power distribution cabinet quantity is multiple, is set in each power distribution cabinet
It is equipped with PLC and power module, the cascade system that the quick regulation and control unit passes through DP bus transfers with the multiple PLC.Hot saw
After PLC receives the data from host computer, its internal CPU will be handled gathered data according to the master pattern to prestore
Computing, and the judgement regulated and controled to input pressure is made whether, if desired it is regulated and controled, then further made using what
The judgement that kind means are regulated and controled；Wherein, when gathered data and larger master pattern deviation, CPU is made using control manually
The judgement of module control input gas pressure, and the PLC in transmission signal to hot saw PLC, manual control module is controlled by PLC
Use, the indicator lamp that is connected with manual control module starts working, at the same time, hot saw PLC transmission signals to host computer, leads to
Know that staff's manual control module has been started up, staff should carry out operational control, manual control module to transmission pressure
Emergency can also be handled in real time.When gathered data and smaller master pattern deviation, CPU makes using and automatically controlled
The judgement of module control input gas pressure, and the PLC in transmission signal to hot saw PLC, automatic control module is controlled by PLC
Use, adjusting part and alarm assemblies in automatic control module start working, and instruction component is stopped, at the same time,
Hot saw PLC transmission signals notify that automatic control module has been started up staff, make staff to input pressure to host computer
Regulation process is monitored in real time, if input pressure is adjusted to standard value by automatic control module, adjusting part and report
Alert component is stopped, and instruction component is started working.Wherein, adjusting part includes air inducing thermomechanical components and blower assembly, described
Air inducing thermomechanical components are used to reduce gas pressure, and the blower assembly is used to raise gas pressure, by controlling air inducing thermomechanical components
And the working condition of blower assembly passes through the real-time monitoring for inputting gas pressure and real-time tune with the gas pressure of control input
Control, so that the gas pressure control of input generating set is in stable scope.
The method that above-mentioned pressure automatic control system carries out intelligent control to inputting generating set pressure in steel mill, including with
Lower step：
1) monitoring modular is monitored in real time to the gas pressure for inputting generating set, and detection data are passed through into Ethernet
Real-time Transmission to host computer is integrated；Wherein, at least one pressure transmitter is provided with detection module, it is according to test model
Enclose and display data can calculate the gas pressure value for inputting generating set；
2) host computer is handled the CPU module in the data transfer integrated to hot saw PLC, and CPU module is according to pre-
The master pattern deposited carries out processing computing to gathered data, and the manual control module that makes a choice or automatic control module are pressed input
The judgement that power is controlled, and operation result is transmitted to the PLC in hot saw PLC, acquired results are transmitted to quick control by PLC
Unit executive control operation processed, so as to reach the purpose of the gas pressure of intelligent control input；Wherein, when gathered data and standard
When model difference is larger or emergency occurs, CPU module makes the judgement using manual control module control input pressure, this
When the indicator lamp that is connected with manual control module start working, at the same time, hot saw PLC transmission signals to host computer, notify work
Make personnel and manual adjusting operation is carried out to input pressure；When gathered data differs smaller with master pattern, CPU module, which is made, adopts
With the judgement of automatic control module control input pressure, now, adjusting part and alarm assemblies in automatic control module start
Work, instruction component be stopped, when self-adjustment module adjusts input pressure to standard value range, alarm assemblies and
Adjusting part is stopped, and instruction component is started working；Wherein, adjusting part includes air inducing thermomechanical components and blower assembly, institute
State air inducing thermomechanical components to be used to reduce gas pressure, the blower assembly is used to raise gas pressure, by controlling air inducing unit
The working condition of part and blower assembly is with the gas pressure of control input, by the real-time monitoring and in real time for inputting gas pressure
Regulation and control, so that the gas pressure control of input generating set is in stable scope.
So far, an auto-adjustment control operation is completed.
It the above is only the preferred embodiment of the present invention, it is noted that above-mentioned preferred embodiment is not construed as pair
The limitation of the present invention, protection scope of the present invention should be defined by claim limited range.For the art
For those of ordinary skill, without departing from the spirit and scope of the present invention, some improvements and modifications can also be made, these change
Enter and retouch and also should be regarded as protection scope of the present invention.
Claims (8)
- A kind of 1. pressure automatic control system, it is characterised in that including：Detection unit, host computer, hot saw PLC and quick regulation and control Unit；Wherein, the detection unit and hot saw PLC are connected by Ethernet with host computer respectively, shared data；The fast velocity modulation Control unit is connected with hot saw PLC by DP buses.
- 2. a kind of pressure automatic control system according to claim 1, it is characterised in that be provided with the detection unit At least one pressure transmitter, it is to understand the gas pressure of input by its measurement range and display data.
- 3. a kind of pressure automatic control system according to claim 1, it is characterised in that the hot saw PLC includes distribution Cabinet and CPU module, the power distribution cabinet quantity are multiple, and PLC and power module are both provided with each power distribution cabinet.
- A kind of 4. pressure automatic control system according to claim 1 or 3, it is characterised in that the quick regulation and control unit Cascade system with the multiple PLC by DP bus transfers.
- 5. a kind of pressure automatic control system according to claim 1, it is characterised in that the quick regulation and control unit includes Manual control module and automatic control module, wherein, the automatic control module includes adjusting part, instruction component and alarm group Part.
- 6. a kind of pressure automatic control system according to claim 5, it is characterised in that the adjusting part includes air inducing Thermomechanical components and blower assembly, wherein, the air inducing thermomechanical components are used to reduce gas pressure, and the blower assembly is used to raise Gas pressure, by controlling the working condition of air inducing thermomechanical components and blower assembly with the gas pressure of control input.
- 7. one kind is using pressure automatic control system any one of claim 1-3,5,6 to inputting generating set in steel mill The method that pressure carries out intelligent control, it is characterised in that comprise the following steps：1) detection unit is detected in real time to the gas pressure for inputting generating set, and detection data are transmitted by Ethernet Integrated to host computer；2) host computer manages the data transfer integrated to hot saw PLC everywhere, and hot saw PLC is according to the master pattern to prestore to collection Data carry out processing computing, and acquired results are transmitted to quick control unit executive control operation, so as to reach intelligent control The purpose of the gas pressure of input.
- 8. the pressure automatic control system according to claim 7 carries out intelligent control to inputting generating set pressure in steel mill Method, it is characterised in that comprised the following steps that in the step 2)：Host computer is by the data transfer integrated to hot saw PLC In CPU module handled, CPU module carries out processing computing according to the master pattern to prestore to gathered data, makes a choice The judgement that manual control module or automatic control module are controlled to input pressure, and operation result is transmitted to hot saw PLC In PLC, acquired results are transmitted to quick control unit executive control operation by PLC, so as to reach intelligent control input The purpose of gas pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710906383.2A CN107491107A (en) | 2017-09-29 | 2017-09-29 | A kind of pressure automatic control system and its application in steel mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710906383.2A CN107491107A (en) | 2017-09-29 | 2017-09-29 | A kind of pressure automatic control system and its application in steel mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107491107A true CN107491107A (en) | 2017-12-19 |
Family
ID=60653921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710906383.2A Pending CN107491107A (en) | 2017-09-29 | 2017-09-29 | A kind of pressure automatic control system and its application in steel mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107491107A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108398967A (en) * | 2018-03-09 | 2018-08-14 | 四川德胜集团钒钛有限公司 | A kind of gas pressure regulation and control system and its control method |
| CN110488599A (en) * | 2019-08-22 | 2019-11-22 | 安徽枫慧金属股份有限公司 | A kind of furnace pressure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101008329A (en) * | 2006-12-29 | 2007-08-01 | 本溪钢铁(集团)有限责任公司 | Method for controlling inlet pressure of blast-furnace top gas recovery turbine generator |
| CN202993252U (en) * | 2012-12-17 | 2013-06-12 | 南京工业职业技术学院 | Combustion control system for heating medium heater |
| CN106090619A (en) * | 2016-03-18 | 2016-11-09 | 广西平果博导铝镁线缆有限公司 | A kind of gas pressure self-checking device |
| CN206269594U (en) * | 2016-12-09 | 2017-06-20 | 武钢集团昆明钢铁股份有限公司 | A kind of ignition furnace of sintering machine burns the fuzzy control device |
| WO2017134542A1 (en) * | 2016-02-07 | 2017-08-10 | Rotal Innovative Technologies Ltd. | System and methods for a multi-function pressure device using piezoelectric sensors |
-
2017
- 2017-09-29 CN CN201710906383.2A patent/CN107491107A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101008329A (en) * | 2006-12-29 | 2007-08-01 | 本溪钢铁(集团)有限责任公司 | Method for controlling inlet pressure of blast-furnace top gas recovery turbine generator |
| CN202993252U (en) * | 2012-12-17 | 2013-06-12 | 南京工业职业技术学院 | Combustion control system for heating medium heater |
| WO2017134542A1 (en) * | 2016-02-07 | 2017-08-10 | Rotal Innovative Technologies Ltd. | System and methods for a multi-function pressure device using piezoelectric sensors |
| CN106090619A (en) * | 2016-03-18 | 2016-11-09 | 广西平果博导铝镁线缆有限公司 | A kind of gas pressure self-checking device |
| CN206269594U (en) * | 2016-12-09 | 2017-06-20 | 武钢集团昆明钢铁股份有限公司 | A kind of ignition furnace of sintering machine burns the fuzzy control device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108398967A (en) * | 2018-03-09 | 2018-08-14 | 四川德胜集团钒钛有限公司 | A kind of gas pressure regulation and control system and its control method |
| CN110488599A (en) * | 2019-08-22 | 2019-11-22 | 安徽枫慧金属股份有限公司 | A kind of furnace pressure |
| CN110488599B (en) * | 2019-08-22 | 2022-03-01 | 安徽枫慧金属股份有限公司 | Hearth pressure control system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104390234B (en) | Ultra supercritical unit control method for coordinating with double inlet and outlet coal mill | |
| CN105372991B (en) | The more coal operating modes of thermal power plant unit overcome main steam pressure undulated control method | |
| CN101839496B (en) | Method for monitoring layering interfaces of multiple coal ranks in raw coal bunker | |
| CN106773681B (en) | Primary frequency modulation control optimization method for thermal power generating unit of drum boiler | |
| CN108683200B (en) | Method for participating in primary frequency modulation of power grid through compressed air energy storage | |
| CN106622620A (en) | Medium-speed coal mill model building method based on system dynamics | |
| CN104847427A (en) | Two-on-one heavy type gas-steam combined cycle unit AGC control method | |
| CN102722164A (en) | Distributed control system for coal mine ventilation air oxidation generator set | |
| CN103277784A (en) | Supercritical coal-fired unit platen superheater metal wall temperature early-warning optimal control method | |
| CN103728071B (en) | A kind of fired power generating unit maximum output measuring method | |
| CN107491107A (en) | A kind of pressure automatic control system and its application in steel mill | |
| CN101504135B (en) | Steam pressure equalization controller for boiler-turbine unit | |
| CN206205996U (en) | A kind of gas stabilized-pressure energy recycle device for gas turbine front end | |
| CN103411234B (en) | A kind of quantitatively air distribution economical combustion energy-saving control system | |
| CN206818334U (en) | It is a kind of that stove coal burning caloricity real-time monitoring system is entered based on DSC | |
| CN202501496U (en) | Coal property correction system of thermal generator set | |
| WO2023226202A1 (en) | System for controlling pressure and power of steam turbine of three-boiler two-turbine header system biomass power plant | |
| CN201507945U (en) | Control, regulation and remote monitoring system for fuel/gas boilers | |
| CN104566323B (en) | A kind of boiler module control method | |
| CN102023595A (en) | Automatic control and energy-saving system of boiler | |
| CN201909989U (en) | Automatically-controlled energy-saving system of boiler | |
| CN204665343U (en) | The oxygen content control system of coal-burning boiler | |
| CN109923285A (en) | Method for running combined-cycle power plant | |
| CN104949092A (en) | Multi-boiler system capable of automatic control and control method thereof | |
| CN204717709U (en) | A kind of full cold start supercritical generating sets SCR soot blower system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171219 |