CN206818334U - It is a kind of that stove coal burning caloricity real-time monitoring system is entered based on DSC - Google Patents
It is a kind of that stove coal burning caloricity real-time monitoring system is entered based on DSC Download PDFInfo
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- CN206818334U CN206818334U CN201720176911.9U CN201720176911U CN206818334U CN 206818334 U CN206818334 U CN 206818334U CN 201720176911 U CN201720176911 U CN 201720176911U CN 206818334 U CN206818334 U CN 206818334U
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Abstract
It the utility model is related to heat power plant boiler combustion process monitoring technical field, more particularly to a kind of stove coal burning caloricity real-time monitoring system is entered based on DSC, the information acquisition system for being used to coordinate with generating set being connected including DSC master servers, by Ethernet switch with DSC master servers, and an engineer station of data interaction and some operator stations are carried out by data/address bus and DSC master servers, it is suitable for calling the data of DSC master servers for engineer station and operator station.The utility model entering stove coal burning caloricity real-time monitoring system and can monitor as-fired coal caloric value in real time based on DSC, it is ensured that generating set is stable, efficiently, safe operation.
Description
Technical field
Heat power plant boiler combustion process monitoring technical field is the utility model is related to, more particularly to one kind is based on DSC
Enter stove coal burning caloricity real-time monitoring system.
Background technology
Currently, on the one hand the electricity power enterprise of China's power industry faces the Electricity Market Competition separated the factory and network, surfed the Net at a competitive price,
On the other hand because energy shortage causes coal price to go up, the production cost of electricity power enterprise is further increased.Therefore electricity power enterprise
The potentiality of unit operation are excavated in an urgent demand, improve unit operation efficiency, reduce production cost, improve enterprise competitiveness.Mesh
Before, for most of thermal power plant in China, because coal type change is big, burning coal is generally poor, and boiler is real in addition
In the operation of border, the reason such as scrap build, variable load operation, heating power trial interval time length, boiler combustion be present and do not reach most preferably
Phenomenon.
Coal burning caloricity is the core parameter of coal, and coal burning caloricity directly influences the efficient and stable operation of unit,
The burning of mixing of coal causes the caloric value of coal constantly to change, and the ratio for mixing burning is relatively difficult to control, and causes, warp changeable into stove caloric value
Boiler flameout is often resulted in, lacks effectively enter stove coal burning caloricity real-time in-line testing means at present.Coal analysis data due to
The reason for sampling and mixing burning, often deviate real data, and hysteresis quality be present, it is not strong to operation instruction meaning.Therefore it is urgent
Need to instruct optimization to run by monitoring in real time into core parameters such as stove coal burning caloricities, to improve unit safety, economy
Property and environmental-protecting performance.
Utility model content
The purpose of this utility model be to provide it is a kind of stove coal burning caloricity real-time monitoring system is entered based on DSC, with solve
Monitoring as-fired coal caloric value in real time, it is ensured that generating set is stable, the efficient, technical problem of safe operation.
In order to solve the above-mentioned technical problem, the utility model provide it is a kind of based on DSC to enter stove coal burning caloricity real-time
Monitoring system, including DSC master servers, by what Ethernet switch was connected with DSC master servers be used to match somebody with somebody with generating set
The information acquisition system of conjunction, and an engineer station of data interaction and some is carried out by data/address bus and DSC master servers
Operator station, it is suitable for calling the data of DSC master servers for engineer station and operator station.
Further, the OPC Server using OPC-UA protocol developments are implanted into the DSC master servers, and pass through system
One OPC agreements carry out data interaction with described engineer station and some operator stations.
Further, described information acquisition system include be used for gather the operating generator bearing load of generating set,
The PLC and man-machine interface of main vapour pressure, Stream temperature, first stage pressure, vacuum and the amount of drawing gas and evaporation capacity for engine.
Further, the engineer station includes：Organize into groups module and pid control module；Wherein described marshalling module is suitable to root
Each equipment of generating set is organized into groups according to operation workflow, the equipment in each group is uniformly controlled using configuration programming；
The pid control module is suitable to the operational factor according to setting, and control instruction is generated using pid control algorithm.
Further, the operator station includes：Graph generation module, history module and print module；It is wherein described
The data that graph generation module is suitable to calculate DSC master servers generate figure；The history module is suitable to the main clothes of DSC
The data that business device calculates are backed up, and are generated history curve and are backed up.
Further, the operator station also includes：Fault diagnosis module and alarm module；Wherein described fault diagnosis module
Suitable for compared with the warning value set, the data that the DSC master servers calculate are carried out into fault diagnosis；The alarm module is fitted
Given a warning prompting according to the diagnostic result of fault diagnosis module.
The beneficial effects of the utility model are, the stove coal burning caloricity that enters of the present utility model based on DSC monitors and is in real time
System, by entering stove coal burning caloricity real-time in-line testing, avoids the generation of boiler flameout accident, reduces what is brought by boiler flameout
Direct losses, while instruct optimization to run, improve unit safety, economy and environmental-protecting performance.
Brief description of the drawings
Fig. 1 is the theory diagram of the present utility model that enter stove coal burning caloricity real-time monitoring system based on DSC.
Fig. 2 is caloric value statistical chart in real time of the present utility model.
Embodiment
The utility model is described in further detail presently in connection with accompanying drawing.These accompanying drawings are simplified schematic diagram,
Only illustrate basic structure of the present utility model in a schematic way, therefore it only shows the composition relevant with the utility model.
Embodiment 1
As shown in figure 1, a kind of of the present invention enters stove coal burning caloricity real-time monitoring system based on DSC, including including DSC
Master server, the information acquisition system for being used to coordinate with generating set being connected by Ethernet switch with DSC master servers,
And an engineer station of data interaction and some operator stations are carried out by data/address bus and DSC master servers, be suitable for by
The data of DSC master servers are called for engineer station and operator station.It is implanted into the DSC master servers and is assisted using OPC-UA
The OPC Server of exploitation are discussed, and data are carried out by unified OPC agreements and described engineer station and some operator stations
Interaction.Described generating set includes the assembled unit being made up of boiler, steam turbine and platform generator.
Specifically, the engineer station includes：Organize into groups module and pid control module；Wherein described marshalling module is suitable to root
Each equipment of generating set is organized into groups according to operation workflow, the equipment in each group is uniformly controlled using configuration programming；
The pid control module is suitable to the operational factor according to setting, and control instruction is generated using pid control algorithm.
Specifically, the operator station includes：Graph generation module, history module and print module；It is wherein described
The data that graph generation module is suitable to calculate DSC master servers generate figure, as shown in Figure 2；The history module is fitted
Backed up in the data for calculating DSC master servers, generate history curve and backed up.
The operator station also includes：Fault diagnosis module and alarm module；Wherein described fault diagnosis module is suitable to will
The data that the DSC master servers calculate carry out fault diagnosis compared with the warning value set；Pass through fault diagnosis module, energy
Enough states for timely and accurately judging generator set device operation.The alarm module is suitable to the diagnosis according to fault diagnosis module
As a result give a warning prompting, can instruct power-plant operation monitored by personnel's stove internal heat generation amount, adjusts boiler combustion, it is ensured that unit is steady
Fixed, efficient, safe operation.
Described information acquisition system include be used for gather the operating generator bearing load of generating set, main vapour pressure,
The PLC and man-machine interface of Stream temperature, first stage pressure, vacuum and the amount of drawing gas and evaporation capacity for engine.Specific described information
Acquisition system is according to three formula in a basic balance：Heat balance equation, material balance formula and steam turbine power equation, using base
Boiler and turbine efficiency and unit whole efficiency are calculated respectively in neuron and wavelet analysis method.Wherein
The steam turbine amounts of drawing gas at different levels are mainly gone out by heater heat Balance Calculation：
ws(hs-hd) η=ww(hw1-hw2)
In formula, ws- the amount of drawing gas；hs- draw gas enthalpy, calculated by extraction pressure and extraction temperature；hdCorresponding to-heater
Saturation water enthalpy；η-heater efficiency；ww- heater confluent；hw1- heater water inlet enthalpy；hw2- heater water outlet enthalpy.
Steam turbine mass balance formula：
In formula, Dc- initial steam enters the amount of condenser；D0- Control Stage of Steam Turbine throttle flow；DjThe amounts of drawing gas at different levels.
Steam turbine power equation of equilibrium：
3600Pe=Wiηmηg=D0Wiηmηg
In formula,ηm- steam turbine mechanical efficiency；ηg- generate electricity electromechanical effect
Rate；Drh- reheating steam flow amount；hrh- reheating vapour enthalpy；Pe- generated power.
The stove coal burning caloricity real-time monitoring system specific embodiment that enters of the present utility model based on DSC is, described
DSC master servers calculate corresponding caloric value data in real time according to monoblock whole efficiency, total coal-supplying amount and total load.
DSC master servers send real-time caloric value data to data/address bus by OPC agreements, are adjusted for operator station and engineer station
With.The real-time caloric value data that operator station calculates DSC master servers generate figure；The history module is suitable to will
The data that DSC master servers calculate are backed up, and are generated history curve and are backed up.When real-time caloric value is higher or lower than certain
During individual warning value, warning prompt is carried out, to remind operating personnel to pay attention to operating, such as should be timely when caloric value is less than some value
The steady combustion of oil is thrown, pays attention to slagging prevention when caloric value is high, adjustment burning in time etc..
Using it is above-mentioned according to desirable embodiment of the present utility model as enlightenment, pass through above-mentioned description, related work people
Member can carry out various changes and amendments in the range of without departing from this item utility model technological thought completely.This item is real
The content being not limited to new technical scope on specification, it is necessary to which its technology is determined according to right
Property scope.
Claims (4)
1. a kind of enter stove coal burning caloricity real-time monitoring system based on DSC, it is characterised in that including DSC master servers, passes through
The information acquisition system for being used to coordinate with generating set that Ethernet switch is connected with DSC master servers, and pass through data
Bus carries out an engineer station of data interaction and some operator stations with DSC master servers, is suitable for DSC master servers
Data are called for engineer station and operator station；
The OPC Server using OPC-UA protocol developments are implanted into the DSC master servers, and pass through unified OPC agreements
Data interaction is carried out with described engineer station and some operator stations；
Described information acquisition system includes being used to gather the operating generator bearing load of generating set, main vapour pressure, main vapour
The PLC and man-machine interface of temperature, first stage pressure, vacuum and the amount of drawing gas and evaporation capacity for engine.
2. according to claim 1 enter stove coal burning caloricity real-time monitoring system based on DSC, it is characterised in that described
Engineer station includes：Organize into groups module and pid control module；Wherein
The marshalling module is suitable to organize into groups each equipment of generating set according to operation workflow, using configuration programming to each group
In equipment be uniformly controlled；
The pid control module is suitable to the operational factor according to setting, and control instruction is generated using pid control algorithm.
3. according to claim 2 enter stove coal burning caloricity real-time monitoring system based on DSC, it is characterised in that described
Operator station includes：Graph generation module, history module and print module；Wherein
The data that the graph generation module is suitable to calculate DSC master servers generate figure；
The history module is suitable to be backed up the data that DSC master servers calculate, and generates history curve and carries out standby
Part.
4. according to claim 3 enter stove coal burning caloricity real-time monitoring system based on DSC, it is characterised in that described
Operator station also includes：Fault diagnosis module and alarm module；Wherein
The fault diagnosis module is suitable to the data that the DSC master servers calculate compared with the warning value set, carries out event
Barrier diagnosis；
The alarm module is suitable to be given a warning prompting according to the diagnostic result of fault diagnosis module.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720176911.9U CN206818334U (en) | 2017-02-27 | 2017-02-27 | It is a kind of that stove coal burning caloricity real-time monitoring system is entered based on DSC |
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| CN201720176911.9U CN206818334U (en) | 2017-02-27 | 2017-02-27 | It is a kind of that stove coal burning caloricity real-time monitoring system is entered based on DSC |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112415989A (en) * | 2021-01-07 | 2021-02-26 | 浙江中控技术股份有限公司 | Whole-plant monitoring system and monitoring method for loop performance evaluation |
| CN112486126A (en) * | 2020-12-07 | 2021-03-12 | 西安西热控制技术有限公司 | Coal conveying control system of thermal power plant based on industrial internet |
| CN113110347A (en) * | 2021-04-26 | 2021-07-13 | 中核四川环保工程有限责任公司 | Information acquisition system applied to cement solidification body production line industrial control system |
-
2017
- 2017-02-27 CN CN201720176911.9U patent/CN206818334U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112486126A (en) * | 2020-12-07 | 2021-03-12 | 西安西热控制技术有限公司 | Coal conveying control system of thermal power plant based on industrial internet |
| CN112415989A (en) * | 2021-01-07 | 2021-02-26 | 浙江中控技术股份有限公司 | Whole-plant monitoring system and monitoring method for loop performance evaluation |
| CN113110347A (en) * | 2021-04-26 | 2021-07-13 | 中核四川环保工程有限责任公司 | Information acquisition system applied to cement solidification body production line industrial control system |
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