CN107144044A - A kind of operational mode system of selection of the cooling heating and power generation system containing water cold storage - Google Patents
A kind of operational mode system of selection of the cooling heating and power generation system containing water cold storage Download PDFInfo
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- CN107144044A CN107144044A CN201710455131.2A CN201710455131A CN107144044A CN 107144044 A CN107144044 A CN 107144044A CN 201710455131 A CN201710455131 A CN 201710455131A CN 107144044 A CN107144044 A CN 107144044A
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- Prior art keywords
- cooling
- power
- cold
- heating
- heat
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B29/00—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B25/00—Machines, plants or systems, using a combination of modes of operation covered by two or more of the groups F25B1/00 - F25B23/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/05—Cost reduction
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
Abstract
The invention discloses a kind of operational mode system of selection of the cooling heating and power generation system containing water cold storage, including：First, calculated by economic model formula, with meeting that user is hot and cold, on the premise of electric load so that energy centre fuel and electric cost are minimum；2nd, on the basis of step one, economic indicator is calculated：The income of cooling heating and power generation system, combustion gas cost, electric cost, and optimal operational mode is selected according to result of calculation, so that lifting system efficiency, reduces operating cost.
Description
Technical field
The present invention relates to the operational mode system of selection of cooling heating and power generation system.
Background technology
Regional Energy center is by multiple energy source station centralizedly supply refrigerants, heating agent, and the electric power that generator is sent is largely personal,
Excrescent electric power sends into regional power grid, implements hot and cold, electric cooling heating and power generation system.Refrigerant, the heating agent of energy centre are managed by region
Net transmission ＆ distribution provide the user energy services in each single building.At Regional Energy center, initial operating stage cold, heat load are needed
Ask and had a long way to go with design capacity；In spring and autumn transition season, the underload energy supply demand of region energy supply user；And winter area
Interior computer room underload cooling needs, at low load region energy supply causes " low load with strong power " phenomenon, unit not to open
Open, the problems such as equipment life is reduced, serious puzzlement is brought to economical operation.Therefore, in low- load conditions, distributed energy
Efficiency be not fully exploited, operating cost is high.
The content of the invention
It is an object of the invention to provide a kind of operational mode system of selection of the cooling heating and power generation system containing water cold storage, carry
System energy efficiency is risen, operating cost is reduced.
Realizing the technical scheme of above-mentioned purpose is：
A kind of operational mode system of selection of the cooling heating and power generation system containing water cold storage, including：
First, calculated by following economic model formula：
The total cold power of the cooling power of energy centre-cold-storage tank cold-storage power=all users；
The cooling proportion of goods damageds of (pipe network cooling water circulation carries the total cold power of energy+all users) first paragraph transmission pipeline
The cooling power of=first paragraph transmission pipeline loss；
The accumulation of heat power of heating power-heat accumulation tower of energy centre=all users total thermal power；
The heat supply proportion of goods damageds of (pipe network heat supply water circulation loading capability+all users total thermal power) first paragraph transmission pipeline
The heating power of=first paragraph transmission pipeline loss；
The cooling power of energy centre
The cooling power of cooling power+trilogy supply unit of=handpiece Water Chilling Units；
The heating power of energy centre
The heating power of the heating power of=gas fired-boiler+trilogy supply unit；
Power consumption lower limit≤the i-th handpiece Water Chilling Units power consumption≤power consumption the upper limit；
Cooling air consumption lower limit≤kth platform trilogy supply unit cooling unit interval air consumption≤cooling air consumption upper limit；
Heat supply air consumption lower limit≤kth platform trilogy supply unit heat supply unit interval air consumption≤heat supply air consumption upper limit；
The boiler air consumption lower limit≤the n-th gas fired-boiler unit interval air consumption≤boiler air consumption upper limit；
With meeting that user is hot and cold, on the premise of electric load so that energy centre fuel and electric cost are minimum；
2nd, on the basis of step one, economic indicator is calculated by equation below：
When electricity of having a surplus is surfed the Net：
Cooling heating and power generation system income=lithium bromide refrigerating amount × (the 1- cooling pipe networks proportion of goods damageds) × cool capacity price+waste heat
Power consumption × public network purchase electricity price+electricity volume × generating in heating capacity × (the 1- heating networks proportion of goods damageds) × heat price+factory
Rate for incorporation into the power network；
During nothing left electricity online：
Cooling heating and power generation system income=lithium bromide refrigerating amount × (the 1- cooling pipe networks proportion of goods damageds) × cool capacity price+waste heat
Heating capacity × (the 1- heating networks proportion of goods damageds) × heat price+internal combustion engine generated energy × public network purchase electricity price；
Combustion gas cost=internal combustion engine gas quantity × internal combustion engine gas price+boiler flue gas amount × boiler gas price；
Electric cost=net purchase electricity × public network purchase electricity price-electricity volume × Pool Purchase Price；
And optimal operational mode is selected according to result of calculation.
In the above-mentioned cooling heating and power generation system containing water cold storage with operational mode system of selection, described operational mode bag
Include：
The operational mode of seven kinds of cold supply systems：Electronic handpiece Water Chilling Units+fume hot-water type lithium bromide cooling-water machine group cooling；It is electronic
Handpiece Water Chilling Units+fume hot-water type lithium bromide cooling-water machine group+cold-storage tank cooling；The independent cooling of cold-storage tank；Electronic handpiece Water Chilling Units
Cooling+cold-storage tank cold-storage；The electronic independent cooling of handpiece Water Chilling Units；Fume hot-water type lithium bromide cooling-water machine group cooling；Fume hot-water
Type lithium bromide cooling-water machine group+cold-storage tank cooling；And
The operational mode of three kinds of heating systems：Fire gas/oil double fuel hot-water boiler+residual heat using device heat supply；Combustion is gas/oil
The independent heat supply of double fuel hot-water boiler；The independent heat supply of residual heat using device.
The beneficial effects of the invention are as follows：When what value is the present invention by can be calculated current system refrigeration duty more than, preferentially
Open the energy supply of supply of cooling, heating and electrical powers unit；When what refrigeration duty be worth less than, preferential handpiece Water Chilling Units of opening are to user's cooling and to cold-storage water
Groove energy storage.Supply of cooling, heating and electrical powers heat/Electricity Federation heat production cost is less than gas-fired water heating boiler, therefore in the situation of waste heat equipment operational excellence
It is lower to use supply of cooling, heating and electrical powers heat supply as far as possible；Under current Electricity Price Strategy, the effect of cold-storage tank is not obvious, cold-storage be more in order to
The Energy Efficiency Ratio of handpiece Water Chilling Units is improved, it therefore follows that being considered as time-of-use tariffs strategy after refrigeration duty constantly increases.Pass through
Calculate economic indicator result to formulate the method for operation, take the method for operation optimisation strategy, improve efficiency and economy, be actual
Operation brings larger economic benefit.
Embodiment
The operational mode system of selection of the cooling heating and power generation system containing water cold storage of the present invention, including：
Step 1: being calculated by following economic model formula：
The total cold power of the cooling power of energy centre-cold-storage tank cold-storage power=all users
(Fg,cool-Fc,cool=Fy,cool)；
The cooling proportion of goods damageds of (pipe network cooling water circulation carries the total cold power of energy+all users) first paragraph transmission pipeline
The cooling power of=first paragraph transmission pipeline loss
((Xn,cool+Fy,cool)·β1,cool=F1,s,cool)；
The accumulation of heat power of heating power-heat accumulation tower of energy centre=all users total thermal power；
(Fg,heat-Fc,heat=Fy,heat)；
The heat supply proportion of goods damageds of (pipe network heat supply water circulation loading capability+all users total thermal power) first paragraph transmission pipeline
The heating power of=first paragraph transmission pipeline loss
((Xn,heat+Fy,heat)·β1,heat=F1,s,heat)；
The cooling power of energy centre
The cooling power of cooling power+trilogy supply unit of=handpiece Water Chilling Units
(Fg,cool=Fd,cool+Fq,cool)；
The heating power of energy centre
The heating power of the heating power of=gas fired-boiler+trilogy supply unit
(Fg,heat=Fq,heat+Fgl,heat)；
Power consumption lower limit≤the i-th handpiece Water Chilling Units power consumption≤power consumption the upper limit (fi,l,min≤fi,l≤
fi,l,max)；
Cooling air consumption lower limit≤kth platform trilogy supply unit cooling unit interval air consumption≤cooling air consumption upper limit
(Gk,s,cool,min≤Gk,s,cool≤Gk,s,cool,max)；
Heat supply air consumption lower limit≤kth platform trilogy supply unit heat supply unit interval air consumption≤heat supply air consumption upper limit
(Gk,s,heat,min≤Gk,s,heat≤Gk,s,heat,max)；
The boiler air consumption lower limit≤the n-th gas fired-boiler unit interval air consumption≤boiler air consumption upper limit
(Gh,gl,heat,min≤Gh,gl,heat≤Gh,gl,heat,max)；
With meeting that user is hot and cold, on the premise of electric load so that energy centre fuel and electric cost are minimum.
Above formula is approximately line style equation, can be solved using MIXED INTEGER Linear Program method.
2nd, on the basis of step one, economic indicator is calculated by equation below, economic indicator mainly includes cold and hot Electricity Federation
For the income of system, combustion gas cost, electric cost.
When electricity of having a surplus is surfed the Net：
Cooling heating and power generation system income=lithium bromide refrigerating amount × (the 1- cooling pipe networks proportion of goods damageds) × cool capacity price+waste heat
Power consumption × public network purchase electricity price+electricity volume × generating in heating capacity × (the 1- heating networks proportion of goods damageds) × heat price+factory
Rate for incorporation into the power network；
During nothing left electricity online：
Cooling heating and power generation system income=lithium bromide refrigerating amount × (the 1- cooling pipe networks proportion of goods damageds) × cool capacity price+waste heat
Heating capacity × (the 1- heating networks proportion of goods damageds) × heat price+internal combustion engine generated energy × public network purchase electricity price；
Combustion gas cost=internal combustion engine gas quantity × internal combustion engine gas price+boiler flue gas amount × boiler gas price；
Electric cost=net purchase electricity × public network purchase electricity price-electricity volume × Pool Purchase Price；
And optimal operational mode is selected according to result of calculation, operational mode includes：
The operational mode of seven kinds of cold supply systems：Electronic handpiece Water Chilling Units+fume hot-water type lithium bromide cooling-water machine group cooling；It is electronic
Handpiece Water Chilling Units+fume hot-water type lithium bromide cooling-water machine group+cold-storage tank cooling；The independent cooling of cold-storage tank；Electronic handpiece Water Chilling Units
Cooling+cold-storage tank cold-storage；The electronic independent cooling of handpiece Water Chilling Units；Fume hot-water type lithium bromide cooling-water machine group cooling；Fume hot-water
Type lithium bromide cooling-water machine group+cold-storage tank cooling；And
The operational mode of three kinds of heating systems：Fire gas/oil double fuel hot-water boiler+residual heat using device heat supply；Combustion is gas/oil
The independent heat supply of double fuel hot-water boiler；The independent heat supply of residual heat using device.
Above example is used for illustrative purposes only, rather than limitation of the present invention, about the technology people of technical field
Member, without departing from the spirit and scope of the present invention, can also make various conversion or modification, therefore all equivalent
Technical scheme should also belong to scope of the invention, should be limited by each claim.
Claims (2)
1. a kind of operational mode system of selection of the cooling heating and power generation system containing water cold storage, it is characterised in that including：
First, calculated by following economic model formula：
The total cold power of the cooling power of energy centre-cold-storage tank cold-storage power=all users；
The accumulation of heat power of heating power-heat accumulation tower of energy centre=all users total thermal power；
The cooling power of energy centre
The cooling power of cooling power+trilogy supply unit of=handpiece Water Chilling Units；
The heating power of energy centre
The heating power of the heating power of=gas fired-boiler+trilogy supply unit；
Power consumption lower limit≤the i-th handpiece Water Chilling Units power consumption≤power consumption the upper limit；
Cooling air consumption lower limit≤kth platform trilogy supply unit cooling unit interval air consumption≤cooling air consumption upper limit；
Heat supply air consumption lower limit≤kth platform trilogy supply unit heat supply unit interval air consumption≤heat supply air consumption upper limit；
The boiler air consumption lower limit≤the n-th gas fired-boiler unit interval air consumption≤boiler air consumption upper limit；
With meeting that user is hot and cold, on the premise of electric load so that energy centre fuel and electric cost are minimum；
2nd, on the basis of step one, economic indicator is calculated by equation below：
When electricity of having a surplus is surfed the Net：
Cooling heating and power generation system income=lithium bromide refrigerating amount × (the 1- cooling pipe networks proportion of goods damageds) × cool capacity price+waste heat heating capacity
Power consumption × public network purchase electricity price+electricity volume × generating online electricity in × (the 1- heating networks proportion of goods damageds) × heat price+factory
Valency；
During nothing left electricity online：
Cooling heating and power generation system income=lithium bromide refrigerating amount × (the 1- cooling pipe networks proportion of goods damageds) × cool capacity price+waste heat heating capacity
× (the 1- heating networks proportion of goods damageds) × heat price+internal combustion engine generated energy × public network purchase electricity price；
Combustion gas cost=internal combustion engine gas quantity × internal combustion engine gas price+boiler flue gas amount × boiler gas price；
Electric cost=net purchase electricity × public network purchase electricity price-electricity volume × Pool Purchase Price；
And optimal operational mode is selected according to result of calculation.
2. the operational mode system of selection of the cooling heating and power generation system containing water cold storage according to claim 1, its feature exists
In described operational mode includes：
The operational mode of seven kinds of cold supply systems：Electronic handpiece Water Chilling Units+fume hot-water type lithium bromide cooling-water machine group cooling；Electronic cold water
Unit+fume hot-water type lithium bromide cooling-water machine group+cold-storage tank cooling；The independent cooling of cold-storage tank；Electronic handpiece Water Chilling Units cooling+
Cold-storage tank cold-storage；The electronic independent cooling of handpiece Water Chilling Units；Fume hot-water type lithium bromide cooling-water machine group cooling；Fume hot-water type bromination
Lithium handpiece Water Chilling Units+cold-storage tank cooling；And
The operational mode of three kinds of heating systems：Fire gas/oil double fuel hot-water boiler+residual heat using device heat supply；The gas/oil double combustions of combustion
Expect the independent heat supply of hot-water boiler；The independent heat supply of residual heat using device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710455131.2A CN107144044A (en) | 2017-06-16 | 2017-06-16 | A kind of operational mode system of selection of the cooling heating and power generation system containing water cold storage |
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| CN201710455131.2A CN107144044A (en) | 2017-06-16 | 2017-06-16 | A kind of operational mode system of selection of the cooling heating and power generation system containing water cold storage |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108932631A (en) * | 2018-05-29 | 2018-12-04 | 中国能源建设集团广东省电力设计研究院有限公司 | Cooling heating and power generation system settlement data processing method and processing device |
| CN109190814A (en) * | 2018-08-22 | 2019-01-11 | 国网山西省电力公司太原供电公司 | A kind of business model calculation method of energy internet operators |
| CN112529244A (en) * | 2020-10-23 | 2021-03-19 | 河海大学 | Comprehensive energy system collaborative optimization operation method considering electric load demand response |
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| CN104421044A (en) * | 2013-09-03 | 2015-03-18 | 毛如麟 | Efficient electricity, heat and cooling tri-generation supply system |
| CN105869075A (en) * | 2016-04-19 | 2016-08-17 | 东南大学 | Economic optimization scheduling method for cold, heat and electricity combined supply type miniature energy grid |
| CN106547945A (en) * | 2016-09-30 | 2017-03-29 | 国网上海市电力公司 | A kind of energy efficiency test method for being applied to trilogy supply region energy supplying system |
| CN106651047A (en) * | 2016-12-29 | 2017-05-10 | 中国电力工程顾问集团华东电力设计院有限公司 | Method for optimizing dynamic operation of regional energy network |
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2017
- 2017-06-16 CN CN201710455131.2A patent/CN107144044A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104421044A (en) * | 2013-09-03 | 2015-03-18 | 毛如麟 | Efficient electricity, heat and cooling tri-generation supply system |
| CN105869075A (en) * | 2016-04-19 | 2016-08-17 | 东南大学 | Economic optimization scheduling method for cold, heat and electricity combined supply type miniature energy grid |
| CN106547945A (en) * | 2016-09-30 | 2017-03-29 | 国网上海市电力公司 | A kind of energy efficiency test method for being applied to trilogy supply region energy supplying system |
| CN106651047A (en) * | 2016-12-29 | 2017-05-10 | 中国电力工程顾问集团华东电力设计院有限公司 | Method for optimizing dynamic operation of regional energy network |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108932631A (en) * | 2018-05-29 | 2018-12-04 | 中国能源建设集团广东省电力设计研究院有限公司 | Cooling heating and power generation system settlement data processing method and processing device |
| CN109190814A (en) * | 2018-08-22 | 2019-01-11 | 国网山西省电力公司太原供电公司 | A kind of business model calculation method of energy internet operators |
| CN109190814B (en) * | 2018-08-22 | 2021-05-11 | 国网山西省电力公司太原供电公司 | Business mode calculation method for energy Internet operator |
| CN112529244A (en) * | 2020-10-23 | 2021-03-19 | 河海大学 | Comprehensive energy system collaborative optimization operation method considering electric load demand response |
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