CN106500397A - A kind of cold, heat and power triple supply system - Google Patents
A kind of cold, heat and power triple supply system Download PDFInfo
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- CN106500397A CN106500397A CN201510554863.8A CN201510554863A CN106500397A CN 106500397 A CN106500397 A CN 106500397A CN 201510554863 A CN201510554863 A CN 201510554863A CN 106500397 A CN106500397 A CN 106500397A
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Abstract
A kind of cold, heat and power triple supply system belongs to electricity field, more particularly, to a kind of improvement of cold, heat and power triple supply system.The present invention provides a kind of low cost and a kind of stable cold, heat and power triple supply system.A kind of cold, heat and power triple supply system, including electrical network, electric refrigeration system, prime mover, waste-heat recovery device, donkey boiler, Absorption Refrigerator, heat exchanger hot water supply system, it is characterised in that：Electrical network connects prime mover, electric refrigeration system and electric load device, prime mover connection waste-heat recovery device, natural gas system, natural gas system connects donkey boiler, and electricity refrigeration and absorption system connect refrigeration duty, heat exchanger connection thermic load and hot water supply system.
Description
Technical field
The invention belongs to electricity field, more particularly, to a kind of improvement of cold, heat and power triple supply system.
Background technology
In recent years, as the energy of China is increasingly projected with environmental issue, cold, heat and power triple supply system is also more paid close attention to by people.On the one hand, the cascade utilization of combined supply system energy creates advantage for energy-conservation；On the other hand, coal fired power generation is compared, the discharge for reducing greenhouse gases and atmosphere pollution using the cold, heat and power triple supply system of natural gas.Meanwhile, for balance natural gas winter summer grade amount peak-valley difference, improving supply of electric power reliability also has certain contribution for the application of combined supply system.However, the development of the middle-size and small-size combined supply system of China is not sailed right before the wind, there are problems that as installed capacity is unreasonable and cause system cannot economical operation, unit operation adjust strategy.For example：Year the Shanghai Huangpu District central hospital put into operation, conceptual design unit run every year, only i.e. recovery cost.But in actual motion, as unit generation ability exceeds well over hospital's power load, but it is limited by remaining electricity and cannot get online policy implication so that unit can only be run the phase at part load, runs within several years and suffers great loss, it has to stops transport.It can be seen that, reasonably optimizing is carried out to combined supply system each place capacity in the design phase and seems most important.
Content of the invention
The present invention is aiming at the problems referred to above, there is provided a kind of low cost and a kind of stable cold, heat and power triple supply system.
For realizing the above-mentioned purpose of the present invention, the present invention is adopted the following technical scheme that, a kind of cold, heat and power triple supply system, including electrical network, electric refrigeration system, prime mover, waste-heat recovery device, donkey boiler, Absorption Refrigerator, heat exchanger hot water supply system, it is characterised in that：Electrical network connects prime mover, electric refrigeration system and electric load device, prime mover connection waste-heat recovery device, natural gas system, natural gas system connects donkey boiler, and electricity refrigeration and absorption system connect refrigeration duty, heat exchanger connection thermic load and hot water supply system.
As a preferred embodiment of the present invention, waste-heat recovery device connection absorption system and heat exchanger.
Used as another kind of preferred version of the present invention, donkey boiler connects waste-heat recovery device.
Beneficial effects of the present invention.
The present invention connects prime mover, electric refrigeration system and electric load device by electrical network, prime mover connection waste-heat recovery device, natural gas system, natural gas system connects donkey boiler, and electricity refrigeration and absorption system connect refrigeration duty, heat exchanger connection thermic load and hot water supply system.Solve the problems, such as that existing electric energy, using uneven, energy waste, reduces cost, be suitable for promoting.
Description of the drawings
Fig. 1 is principle of the invention block diagram.
Specific embodiment
As shown in figure 1, a kind of cold, heat and power triple supply system, including electrical network, electric refrigeration system, prime mover, waste-heat recovery device, donkey boiler, Absorption Refrigerator, heat exchanger hot water supply system, it is characterised in that：Electrical network connects prime mover, electric refrigeration system and electric load device, prime mover connection waste-heat recovery device, natural gas system, natural gas system connects donkey boiler, and electricity refrigeration and absorption system connect refrigeration duty, heat exchanger connection thermic load and hot water supply system.
As a preferred embodiment of the present invention, waste-heat recovery device connection absorption system and heat exchanger.
Used as another kind of preferred version of the present invention, donkey boiler connects waste-heat recovery device.
For above-mentioned cold, heat and power triple supply system, mathematic optimal model is established.The model mainly includes that the object function set according to certain interpretational criteria, consideration set the factors such as the energy balance and additional constraints two parts.At present, trilogy supply（CCHP）The performance evaluation norm of system is mainly：Economy, three aspects of energy saving and the feature of environmental protection.Calculated according to different criterions function of setting objectives, as a result larger difference may be produced, there is scholar that economy, environmental protection, three criterions of energy-conservation are integrated into the evaluation index of a synthesis by introducing weight coefficient [3] this concept, but this method is for having very big subjectivity in the selection of weight coefficient.Above three index is being embodied in the middle of a model, selecting system total annual cost is object function, considers as economy；The feature of environmental protection is embodied in the form of carbo-dioxide-based tax in object function；Meanwhile, by cold, heat and electricity triple supply（CCHP）The annual comprehensive utilization of energy rate of system is restricted, and ensures the energy saving of system.
Cold, heat and power triple supply system（CCHP）More conventional system increased the equipment such as power generation prime motor, waste-heat recovery device, absorption refrigeration unit, building electric load and electric refrigerating plant institute subfam. Spiraeoideae are met jointly by power generation prime motor and municipal electrical network, thermic load and domestic hot-water are met by the heat that waste-heat recovery device and donkey boiler are provided, and refrigeration duty is then by absorption refrigeration unit and electric refrigeration plant shared.Function is wanted to be to solve for big Linear, non-linear and integer programming problem.Nearly all common Optimized model such as such as linear programming, quadratic programming, integer programming, estimator, global optimization is covered in software.The major functions and features of LINGO are：1）Linear programming problem can be solved, also has stronger nonlinear planning solution ability；2）Built-in modeling language, there is provided tens intrinsic functions, the description large-scale optimizatoin model of energy intuitive and convenient；3）Data exchange can easily be carried out with Excel, database other software.In LINGO, a complete Optimized model is generally included：1）Object function：With the mathematic(al) representation that maximum or minima form are given；2）Decision variable：Variable influential on object function；3）Constraints：As the case may be the additional condition of variable is limited.After Optimization Calculation Program is write, LINGO can be solved according to program judgment models type and from appropriate module, linear programming, calling sequence linear programming（SLP）Or generalized reduced-gradient method（GRG）；Global optimization adopts many initial point Nonlinear Programming Techniques（Multistart）；Integer programming（Including one-zero programming）With estimator（Including linearity and non-linearity）Using branch and bound method.The result of calculation of model solution is exported in table form.
Claims (3)
1. a kind of cold, heat and power triple supply system, including electrical network, electric refrigeration system, prime mover, waste-heat recovery device, donkey boiler, Absorption Refrigerator, heat exchanger hot water supply system, it is characterised in that：Electrical network connects prime mover, electric refrigeration system and electric load device, prime mover connection waste-heat recovery device, natural gas system, natural gas system connects donkey boiler, and electricity refrigeration and absorption system connect refrigeration duty, heat exchanger connection thermic load and hot water supply system.
2. a kind of cold, heat and power triple supply system according to claim 1, it is characterised in that：Waste-heat recovery device connection absorption system and heat exchanger.
3. a kind of cold, heat and power triple supply system according to claim 1, it is characterised in that：Donkey boiler connects waste-heat recovery device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510554863.8A CN106500397A (en) | 2015-09-04 | 2015-09-04 | A kind of cold, heat and power triple supply system |
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| CN201510554863.8A CN106500397A (en) | 2015-09-04 | 2015-09-04 | A kind of cold, heat and power triple supply system |
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| CN106500397A true CN106500397A (en) | 2017-03-15 |
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| CN201510554863.8A Pending CN106500397A (en) | 2015-09-04 | 2015-09-04 | A kind of cold, heat and power triple supply system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107202383A (en) * | 2017-06-22 | 2017-09-26 | 新奥泛能网络科技股份有限公司 | The refrigerating plant of combined supply system |
| CN108775769A (en) * | 2018-04-25 | 2018-11-09 | 国网上海市电力公司 | A kind of heating system combined with trilogy supply |
| CN110513165A (en) * | 2019-09-04 | 2019-11-29 | 深圳万润节能有限公司 | A kind of cold, heat and electricity triple supply distributed energy resource system |
-
2015
- 2015-09-04 CN CN201510554863.8A patent/CN106500397A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107202383A (en) * | 2017-06-22 | 2017-09-26 | 新奥泛能网络科技股份有限公司 | The refrigerating plant of combined supply system |
| CN108775769A (en) * | 2018-04-25 | 2018-11-09 | 国网上海市电力公司 | A kind of heating system combined with trilogy supply |
| CN110513165A (en) * | 2019-09-04 | 2019-11-29 | 深圳万润节能有限公司 | A kind of cold, heat and electricity triple supply distributed energy resource system |
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Application publication date: 20170315 |