CN207688481U - Combustion gas distributed energy optimization system - Google Patents
Combustion gas distributed energy optimization system Download PDFInfo
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- CN207688481U CN207688481U CN201721633567.8U CN201721633567U CN207688481U CN 207688481 U CN207688481 U CN 207688481U CN 201721633567 U CN201721633567 U CN 201721633567U CN 207688481 U CN207688481 U CN 207688481U
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Abstract
The utility model discloses a kind of combustion gas distributed energy optimization systems, including：Energy centre station (1), energy substation (2), iDOS devices (3), information centre's server (4) and DCS controllers (5), information centre's server (4) is connect with energy substation (2) and iDOS devices (3) respectively, and DCS controllers (5) are connect with energy source station central station (1) and iDOS devices (3) respectively.The utility model to the substation by optimizing laying, so that it is equivalent to an energy source station, not only with cooling but also then modeling study can can be carried out to the performance of each unit at energy centre station and substation with heat supply, so that the overall operation optimization to energy resource system is possibly realized.
Description
Technical field
The utility model is related to a kind of combustion gas distributed energy optimization systems, belong to energy resource system optimisation technique field.
Background technology
Existing coproduction unit centre station adds the operational mode of cold heating machine set substation combination, and energy substation is phase
When in relay station, pressurizeing to the heat that central station is sent, not having the function of individually energizing；In addition, generally
Individually central station and each substation are run by operations staff, however since operations staff's operating experience differs, make
The on-road efficiency difference for obtaining different personnel is larger, and system benefit is also larger with load variations fluctuation, energy resource system entirety
Economy is poor；In addition, a total flowmeter is only arranged to monitor steam turbine in existing central station in heat supply network main pipe
Performance, but when the Type-Inconsistencies for the multiple steam turbines installed in energy resource system, be just unable to monitor and obtain each steam turbine
Performance, thus can not carry out more targetedly energy system operation optimization.Therefore it still needs to be improved.
Utility model content
The purpose of the utility model is to provide a kind of combustion gas distributed energy optimization systems, it can effectively solve existing
There are the problem of technology, especially energy substation to be only comparable to relay station, the heat that central station is sent is carried out
The problem of pressurizeing, not having the function of individually energizing.
In order to solve the above technical problems, the utility model adopts the following technical scheme：A kind of combustion gas distributed energy is excellent
Change system, including：Energy centre station, energy substation, iDOS devices, information centre's server and DCS controllers, the information
Central server is connect with energy substation and iDOS devices respectively, and DCS controllers are filled with energy source station central station and iDOS respectively
Set connection；The energy substation includes：Electric refrigerator, lithium bromide absorbing type refrigeration device, electric heater and plate change formula heat exchanger,
The electric refrigerator, lithium bromide absorbing type refrigeration device, electric heater are connect with information centre server, and plate changes formula heat exchanger
It is connect respectively with the main pipe of electric refrigerator, lithium bromide absorbing type refrigeration device, electric heater and heat supply network.
Preferably, the iDOS devices include display, processor and iDOS cabinets, the processor respectively with it is aobvious
Show that device, iDOS cabinets, information centre's server connection, iDOS cabinets are connect with DCS controllers and information centre's server respectively,
So as to realize quickly modeling and solve so that unit works in best efficiency point so that the economy of entire energy resource system
Property is best.
Combustion gas distributed energy optimization system described in the utility model, the energy centre station include：Gas turbine,
Waste heat boiler, steam turbine, heater and hot-water boiler, the hot-water boiler and heater are connect with the main pipe of heat supply network, institute
The gas turbine stated is connect with waste heat boiler, and waste heat boiler is connect with steam turbine and heater respectively, and steam turbine connects with heater
It connects；Gas turbine, waste heat boiler, steam turbine and the heater is connect with DCS controllers, so as to meet son comprehensively
The workload demand stood.
Preferably, be both provided with flowmeter on the pump-line of each steam turbine, the flowmeter with DCS controllers
Connection.
Preferably, gas distributed energy system can be optimized by using maximizing the benefits model, it is described
Maximizing the benefits model is：
Wherein, ICIndicate all electrical chillers；IxIndicate all lithium bromide absorption refrigerating set set, IwTable
Show that all heat exchanger plates change set, IgIndicate all gas turbine-waste heat boiler unit set, IsIndicate all steam turbines
Unit set, IbIndicate all hot-water boiler unit set, IhIndicate all electric heater set；PC、PW、Pe、Pe d、PgPoint
Cold valence, caloric value, rate for incorporation into the power network, off line electricity price, gas price are not indicated；reIndicate station service power consumption rate；Rc、RwRespectively indicate user it is cold,
Thermal load demands；
Indicate the waste heat boiler of i gas turbines-waste heat boiler combined cycle unit
Export high steam=steam turbine main steam+pressure and temperature reducing steam；
Indicate the waste heat pot of 1, No. 2 gas turbine-waste heat boiler combined cycle unit
Stove exports low-pressure steam into steam turbine filling water quantity restraint, and the steam turbine of No. 3 gas turbines-waste heat boiler combined cycle unit is
Back pressure unit, no filling areThe steam turbine of No. 1 and No. 2 gas turbines-waste heat boiler combined cycle unit is to take out to coagulate machine
Group；Its differenceIndicate that low-pressure steam is directly entered heat exchanger heat exchange output；Wherein,Indicate 1
Number waste heat boiler,Indicate No. 2 waste heat boilers,Indicate No. 1 steam turbine,Indicate No. 2 steam turbines,Indicate No. 3 steam turbines.
Compared with prior art, the utility model has the following advantages：
1, by optimizing laying to the substation so that it is equivalent to an energy source station, not only can be with cooling but also can
With heat supply, modeling study is carried out so as to the performance to energy centre station and each unit of substation so as to energy resource system
Overall operation optimization be possibly realized；
2, by the way that flowmeter is arranged on the pump-line of each steam turbine, the flow parameter of each steam turbine is obtained, into
And the characteristic of the steam turbine of various different models is obtained, be conducive to according to the demand of user targetedly adjust steam turbine
(aperture of the steam extraction valve of each steam turbine is adjusted), to improve the economy of entire energy source station；
3, plan as a whole natural gas price, peak regulation method, station service cost, power grid by comprehensive by using maximizing the benefits model
The factors such as trough-electricity cost, according to the requirement of cold water load and hot water load, the work in conjunction with gas turbine group, steam turbine is special
Property, optimization refrigeration, the method for operation of heating system, it is hereby achieved that corresponding unit optimized operation parameter group, by adjusting
Unit makes it be run under optimized operation Parameter Conditions, works in best efficiency point to realize unit, and make energy source station
It is run according to optimum economic benefit mode so that the economy of entire energy resource system is best.
Description of the drawings
Fig. 1 is the energy resource system overall structure schematic block diagram of the utility model；
Fig. 2 is the structural schematic diagram at the energy centre station of the utility model；
Fig. 3 is the cold supply system figure of the energy substation of the utility model；
Fig. 4 is the heating system figure of the energy substation of the utility model.
Reference numeral：1- energy centres station, 2- energy substation, 3-iDOS devices, 4- information centres server, 5-DCS controls
Device processed, 6- displays, 7- processors, 8-iDOS cabinets, 9- gas turbines, 10- waste heat boilers, 11- steam turbines, 12- heaters,
13- hot-water boilers, 14- flowmeters, 15- electrical chillers, 16- lithium bromide absorption refrigerating sets, 17- electric heaters, 18- plates
Change formula heat exchanger.
The utility model is further described with reference to the accompanying drawings and detailed description.
Specific implementation mode
The embodiments of the present invention：
A kind of combustion gas distributed energy optimization system, as shown in Figure 1, including：Energy centre station 1, energy substation 2, iDOS
Device 3, information centre's server 4 and DCS controllers 5, information centre's server 4 respectively with energy substation 2 and
IDOS devices 3 connect, and DCS controllers 5 are connect with energy source station central station 1 and iDOS devices 3 respectively.
The iDOS devices 3 may include display 6, processor 7 and iDOS cabinets 8, the processor 7 respectively with it is aobvious
Show device 6, iDOS cabinets 8, information centre's server 4 connect, iDOS cabinets 8 respectively with DCS controllers 5 and information centre's server
4 connections.
As shown in Fig. 2, the energy centre station 1 may include：Gas turbine 9, steam turbine 11, adds waste heat boiler 10
Hot device 12 and hot-water boiler 13, the hot-water boiler 13 and heater 12 are connect with the main pipe of heat supply network, the combustion gas wheel
Machine 9 is connect with waste heat boiler 10, and waste heat boiler 10 is connect with steam turbine 11 and heater 12 respectively, steam turbine 11 and heater 12
Connection；Gas turbine 9, waste heat boiler 10, steam turbine 11 and the heater 12 is connect with DCS controllers 5.
In order to obtain the data on flows of each steam turbine, flow can be respectively provided on the pump-line of each steam turbine 11
Table 14, the flowmeter 14 are connect with DCS controllers 5.
In order to realize that carrying out unified optimize to energy substation runs control, as shown in Figure 3, Figure 4, the energy substation 2
May include：Electric refrigerator 15, lithium bromide absorbing type refrigeration device 16, electric heater 17 and plate change formula heat exchanger 18, the electricity
Refrigerator 15, lithium bromide absorbing type refrigeration device 16, electric heater 17 are connect with information centre server 4, and plate changes formula heat exchanger
18 connect with the main pipe of electric refrigerator 15, lithium bromide absorbing type refrigeration device 16, electric heater 17 and heat supply network respectively.
Experimental example：Certain company's energy source station project carries out energy system operation optimization using the technology of the utility model.Specifically
, using the construction form at energy centre station 1 plus energy substation 2,1 construction scale of energy centre station is 214MW grades of combustion gas-steamings
Vapour combined cycle cogeneration unit (i.e. gas turbine-waste heat boiler combined cycle cogeneration unit) and 2 116MW hot water
Boiler, wherein combustion gas-Steam Combined Cycle unit are " one-to-one " pattern, including 3 sets of 6F.01 type gas turbine generators groups, 3
The double discard heat boilers of platform, 2 steam extraction and condensing formula Turbo-generator Sets and 1 back pressure type steam turbine generating set total power generating capacity
214MW (is respectively provided with flow on the pump-line of every steam extraction and condensing formula Turbo-generator Set and back pressure type steam turbine generating set
Table obtains the flow parameter of each steam turbine), the supply of electric power and each substation for being responsible for administration sub-center supply total heat source.The energy
Substation 2, which is built, has lithium bromide absorption refrigerating set 16, electrical chillers, plate to change formula heat exchanger 18, electric heater 17 etc., is responsible for
Canal core space energy supply.
Combustion gas-steam combined cycle cogeneration unit centre station+cooling and warming unit substation is combined, relatively traditional
Coal-burning power plant has many advantages, such as low stain, high efficiency, but its fuel cost is more much higher than traditional thermoelectricity, if it is desired that coproduction machine
Group generates preferable economy and just needs operation and optimization by fining, to improve system economy.It will be to each in system
The energy conversion efficiency and economy of a link carry out detailed analysis, come by adjusting the method for operation of central station and substation device
The economy of raising system entirety.Specifically it can be made to work in best efficiency point by adjusting heat-supplying mode, adjustment unit output.
Energy centre station 1 includes iDOS devices 3, and iDOS devices 3 are again including display 6, processor 7, iDOS cabinets 8, tool
There are information collection (cabinet), remote data communication (cabinet), load shifting rate, the on-line study of machine unit characteristic curve and load pre-
The functions such as survey.Display 6 is shown for set state and calculating parameter result.
Specifically, it needs by being calculated in real time level of factory, unit grade, the performance indicator of device level, for load point
Match, decision optimization provides guidance.IDOS devices 3 acquire the real-time performance monitoring at the energy centre station 1 that DCS controllers 5 are acquired
The real-time performance monitoring data for the energy substation 2 that data and information centre's server 4 are acquired, including to gas turbine 9, waste heat
Boiler 10, steam turbine 11 (for example comprising solidifying, back pressure two types are taken out, pass through the flow being arranged on each bleeder steam pipeline
Table 14 monitors the flow of each steam turbine), hot-water boiler 13, initial station heater 12, the suction-type lithium bromide system of each energy substation
Cold group 16, electrical chillers 15, electric heater 17, plate change the capital equipments such as formula heat exchanger 18 and its performance prison of ancillary equipment
Measured data.Output information is obtained according to the input information of each unit equipment, under the conditions of obtaining different load, the effect of unit
The performances such as rate, power, discharge.Then by neural network algorithm, single devices dynamic model is established；Again, network server
Acquire heat supply network data, user with can the loads related data such as data, weather data, and consider natural gas price, peak regulation method,
The factors such as station service cost, power grid trough-electricity cost, utilization benefit are maximized model and carry out efficiency optimization calculating, calculated using heredity
Method completes the optimized operation pattern analysis of unit；Then optimal control instruction (packet is sent to DCS controllers 5 by iDOS cabinets 8
Include load optimal distribution instruction, heat-supplying mode optimization and regulation and control instruction), the operational mode of unit is adjusted, network server is passed through
Each energy substation optimum operation optimisation strategy is issued, is assigned to operator, to realize central station, son
It stands the global optimization control of energy resource system, it is ensured that energy system operation reaches efficient low-consume, economic matching, reliable and secure operation
Target.
The maximizing the benefits model is：
Wherein, ICIndicate all electrical chillers；IxIndicate all lithium bromide absorption refrigerating set set, IwTable
Show that all heat exchanger plates change set, IgIndicate all gas turbine-waste heat boiler unit set, IsIndicate all steam turbines
Unit set, IbIndicate all hot-water boiler unit set, IhIndicate all electric heater set；PC、PW、Pe、Pe d、PgPoint
Cold valence, caloric value, rate for incorporation into the power network, off line electricity price, gas price are not indicated；reIndicate station service power consumption rate；Rc、RwRespectively indicate user it is cold,
Thermal load demands；
Indicate the waste heat boiler of i gas turbines-waste heat boiler combined cycle unit
Export high steam=steam turbine main steam+pressure and temperature reducing steam；
Indicate the waste heat pot of 1, No. 2 gas turbine-waste heat boiler combined cycle unit
Stove exports low-pressure steam into steam turbine filling water quantity restraint, and the steam turbine of No. 3 gas turbines-waste heat boiler combined cycle unit is
Back pressure unit, no filling areThe steam turbine of No. 1 and No. 2 gas turbines-waste heat boiler combined cycle unit is to take out to coagulate machine
Group；Its differenceIndicate that low-pressure steam is directly entered heat exchanger heat exchange output；Wherein,Indicate 1
Number waste heat boiler,Indicate No. 2 waste heat boilers,Indicate No. 1 steam turbine,Indicate No. 2 steam turbines,Indicate No. 3 steam turbines.
Claims (4)
1. a kind of combustion gas distributed energy optimization system, which is characterized in that including：Energy centre station (1), energy substation (2),
IDOS devices (3), information centre's server (4) and DCS controllers (5), information centre's server (4) respectively with the energy
Substation (2) and iDOS devices (3) connection, DCS controllers (5) connect with energy source station central station (1) and iDOS devices (3) respectively
It connects；The energy substation (2) includes：Electric refrigerator (15), lithium bromide absorbing type refrigeration device (16), electric heater (17) and plate
Change formula heat exchanger (18), the electric refrigerator (15), lithium bromide absorbing type refrigeration device (16), electric heater (17) are and information
Central server (4) connect, plate change formula heat exchanger (18) respectively with electric refrigerator (15), lithium bromide absorbing type refrigeration device (16),
The main pipe of electric heater (17) and heat supply network connects.
2. combustion gas distributed energy optimization system according to claim 1, which is characterized in that the iDOS devices (3)
Including display (6), processor (7) and iDOS cabinets (8), the processor (7) respectively with display (6), iDOS cabinets
(8), information centre's server (4) connects, and iDOS cabinets (8) connect with DCS controllers (5) and information centre's server (4) respectively
It connects.
3. combustion gas distributed energy optimization system according to claim 1, which is characterized in that the energy centre station
(1) include：Gas turbine (9), waste heat boiler (10), steam turbine (11), heater (12) and hot-water boiler (13), the heat
Homogeneous solution-type reactor (13) and heater (12) are connect with the main pipe of heat supply network, and the gas turbine (9) is connect with waste heat boiler (10),
Waste heat boiler (10) is connect with steam turbine (11) and heater (12) respectively, and steam turbine (11) is connect with heater (12)；It is described
Gas turbine (9), waste heat boiler (10), steam turbine (11) and heater (12) connect with DCS controllers (5).
4. combustion gas distributed energy optimization system according to claim 3, which is characterized in that the pumping of each steam turbine (11)
Flowmeter (14) is both provided in feed channel, the flowmeter (14) is connect with DCS controllers (5).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721633567.8U CN207688481U (en) | 2017-11-30 | 2017-11-30 | Combustion gas distributed energy optimization system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721633567.8U CN207688481U (en) | 2017-11-30 | 2017-11-30 | Combustion gas distributed energy optimization system |
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| CN207688481U true CN207688481U (en) | 2018-08-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109764573B (en) * | 2018-12-13 | 2020-07-10 | 清华大学 | Control method of building type combined cooling heating and power system considering full utilization of waste heat |
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2017
- 2017-11-30 CN CN201721633567.8U patent/CN207688481U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109764573B (en) * | 2018-12-13 | 2020-07-10 | 清华大学 | Control method of building type combined cooling heating and power system considering full utilization of waste heat |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191025 Address after: Hangzhou City, Zhejiang Province, Xihu District West Lake science and Technology Park 310030 Park Road, No. 10 Co-patentee after: CHINA HUADIAN SCIENCE AND TECHNOLOGY INSTITUTE CO., LTD. Patentee after: Hangzhou Huadian Energy Engineering Co., Ltd. Address before: 100160, 5 floor, B, Huadian Industrial Park, No. 6 East Road, Fengtai District Automobile Museum, Beijing, China Patentee before: CHINA HUADIAN SCIENCE AND TECHNOLOGY INSTITUTE CO., LTD. |
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| TR01 | Transfer of patent right |