CN113554320A - Whole-plant heat and electricity load distribution method based on optimal heat supply economy - Google Patents
Whole-plant heat and electricity load distribution method based on optimal heat supply economy Download PDFInfo
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- CN113554320A CN113554320A CN202110853087.7A CN202110853087A CN113554320A CN 113554320 A CN113554320 A CN 113554320A CN 202110853087 A CN202110853087 A CN 202110853087A CN 113554320 A CN113554320 A CN 113554320A
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Abstract
The invention discloses a plant heat and electricity load distribution method based on optimal heat supply economical efficiency, which comprises the following steps: 1) acquiring a real-time heat supply load; 2) determining the real-time power plant electric load according to an electric load time characteristic curve given by a power grid; 3) determining the electric load of each heat supply unit in the thermal power plant; 4) calculating the coal marking consumption of each heat supply unit in unit time according to the electric load of each heat supply unit; 5) the method and the system can realize the maximization of comprehensive economic benefits of heat supply and power generation of the thermal power plant.
Description
Technical Field
The invention belongs to the field of energy conservation and environmental protection, and relates to a plant heat and electricity load distribution method based on optimal heat supply economical efficiency.
Background
Energy conservation and emission reduction are important issues for realizing sustainable development of global economy. As a large-energy-consumption user, energy conservation of a thermal power plant is always the key point of industrial energy conservation, and energy conservation and emission reduction are also important means for saving the operation cost and improving the economic benefit of the thermal power plant. With the expansion of urban scale, large-scale thermal power plants gradually become urban resident heating heat source centers, the heat supply pipe network system is complex, the unit heat supply types are various, and the typical modes of bypass parameter heat supply, high parameter steam extraction heat supply, middle and low pressure communicating pipe punching steam extraction heat supply, low pressure cylinder zero output technology heat supply, high back pressure heat supply and the like have important significance in realizing the optimal distribution of the multi-unit thermoelectric load. The method is combined with a typical multi-unit and diversified thermal power plant, provides a thermal power load distribution method based on a heat supply energy level, and achieves maximization of comprehensive economic benefits of heat supply and power generation of the thermal power plant.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a plant heat and electricity load distribution method based on optimal heat supply economy, and the method and the system can realize the maximization of the comprehensive economic benefits of heat supply and electricity generation of a thermal power plant.
In order to achieve the above object, the method for distributing thermal and electrical loads of a whole plant based on optimal heat supply economy of the present invention comprises the following steps:
1) acquiring a real-time heat supply load;
2) determining the real-time power plant electric load according to an electric load time characteristic curve given by a power grid;
3) determining the electric load of each heat supply unit in the thermal power plant;
4) calculating the coal marking consumption of each heat supply unit in unit time according to the electric load of each heat supply unit;
5) and sequencing the heat supply units according to the unit-time coal-marking consumption of each heat supply unit, and then distributing the thermoelectric load of the whole plant according to the sequencing result on the premise of meeting the real-time heat supply load, so that the total unit-time coal-marking consumption of all the heat supply units is the lowest, the thermoelectric load of each heat supply unit is obtained, and the distribution of the heat and electric loads of the whole plant based on the optimal heat supply economy is completed.
The real-time heat supply load Q is as follows:
a is the real-time heating area, T is the real-time ambient temperature, and T is the time.
The real-time whole-plant electrical load N is as follows:
N＝f(t)。
electric load N of ith heat supply unitiComprises the following steps:
Ni＝f(Qi)
wherein Q isiAnd (4) providing the heat load of the ith heat supply unit.
Coal consumption per unit time marking B of ith heat supply unitiComprises the following steps:
Bi＝f(Ni)。
the invention discloses a plant heat and electricity load distribution system based on optimal heat supply economy, which comprises the following steps:
the acquisition module is used for acquiring a real-time heat supply load;
the first determining module is used for determining the electric load of the real-time power plant according to the given electric load time characteristic curve of the power grid;
the second determining module is used for determining the electric load of each heat supply unit in the thermal power plant;
the calculation module is used for calculating the coal marking consumption of each heat supply unit in unit time according to the electric load of each heat supply unit;
and the selecting module is used for sequencing each heat supply unit according to the unit time coal marking consumption of each heat supply unit, and then distributing the whole plant thermoelectric load according to the sequencing result on the premise of meeting the real-time heat supply load, so that the total unit time coal marking consumption of all the heat supply units is the lowest, the thermoelectric load of each heat supply unit is obtained, and the heat and electricity load distribution of the whole plant based on the optimal heat supply economical efficiency is completed.
The real-time heat supply load Q is as follows:
a is the real-time heating area, T is the real-time ambient temperature, and T is the time.
The real-time whole-plant electrical load N is as follows:
N＝f(t)。
electric load N of ith heat supply unitiComprises the following steps:
Ni＝f(Qi)
wherein Q isiAnd (4) providing the heat load of the ith heat supply unit.
Coal consumption per unit time marking B of ith heat supply unitiComprises the following steps:
Bi＝f(Ni)。
the invention has the following beneficial effects:
according to the method for distributing the heat and electricity loads of the whole plant based on the optimal heat supply economical efficiency, when the method is specifically operated, the heat supply units are sequenced according to the unit time coal marking consumption of the heat supply units, and then the distribution of the heat and electricity loads of the whole plant is carried out according to the sequencing result on the premise of meeting the real-time heat supply load, so that the total unit time coal marking consumption of all the heat supply units is the lowest, the heat and electricity loads of the heat supply units are obtained, the maximization of the comprehensive economic benefits of heat supply and electricity generation of the heat and electricity plant is realized, and the method is convenient and simple to operate and high in practicability.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the following will clearly and completely describe the technical solution of the present invention with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments, and are not intended to limit the scope of the disclosure of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present disclosure. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention discloses a plant heat and electricity load distribution method based on optimal heat supply economy, which comprises the following steps of:
1) obtaining a real-time heat supply load Q, wherein the real-time heat supply load Q is a function relation of the ambient temperature and the external heat supply area, wherein,
a is the real-time heating area, T is the real-time ambient temperature, and T is the time.
2) And determining the real-time whole plant electric load according to the given electric load time characteristic curve of the power grid, wherein,
N＝f(t)
3) performing distribution of thermoelectric loads;
in particular, according to the heat supply mode of different unitsAnd determining the heat supply economical efficiency of the units, wherein the heat supply modes of different units comprise bypass parameter heat supply, high parameter steam extraction heat supply, middle and low pressure communicating pipe punching steam extraction heat supply, low pressure cylinder zero output technology heat supply, high back pressure heat supply, heat pump heat supply and exhaust steam heating. For a thermal power plant in a multi-unit heating mode, the preferred unit types are different, and the heating modes are different. In the thermal power plant, heat and electricity are simultaneously produced and output products, so that a strong coupling characteristic exists, wherein the electric load N of the ith heat supply unitiComprises the following steps:
Ni＝f(Qi)
wherein Q isiThe heat load of the ith heat supply unit;
calculating the coal consumption of the ith heat supply unit in unit timeiComprises the following steps:
Bi＝f(Ni)
according to the unit time coal-marking consumption of each heat supply unit, sequencing each heat supply unit, namely Bmin,1<Bmin,2<...<Bmin,m；
And under the condition of meeting the heat supply capacity, distributing the thermoelectric load of the whole field according to the sequencing result to obtain the thermoelectric load of each heat supply unit.
The invention discloses a plant heat and electricity load distribution system based on optimal heat supply economy, which comprises the following steps:
the acquisition module is used for acquiring a real-time heat supply load;
the first determining module is used for determining the electric load of the real-time power plant according to the given electric load time characteristic curve of the power grid;
the second determining module is used for determining the electric load of each heat supply unit in the thermal power plant;
the calculation module is used for calculating the coal marking consumption of each heat supply unit in unit time according to the electric load of each heat supply unit;
and the selecting module is used for sequencing each heat supply unit according to the unit time coal marking consumption of each heat supply unit, and then distributing the whole plant thermoelectric load according to the sequencing result on the premise of meeting the real-time heat supply load, so that the total unit time coal marking consumption of all the heat supply units is the lowest, the thermoelectric load of each heat supply unit is obtained, and the heat and electricity load distribution of the whole plant based on the optimal heat supply economical efficiency is completed.
The invention realizes the optimal distribution of the thermoelectric load of the units of the whole plant based on the economy, and can determine the thermal and electric load characteristics of each unit under the condition of determining the total thermoelectric load.
Claims (5)
1. A plant heat and electricity load distribution method based on optimal heat supply economy is characterized by comprising the following steps:
1) acquiring a real-time heat supply load;
2) determining the real-time power plant electric load according to an electric load time characteristic curve given by a power grid;
3) determining the electric load of each heat supply unit in the thermal power plant;
4) calculating the coal marking consumption of each heat supply unit in unit time according to the electric load of each heat supply unit;
5) and sequencing the heat supply units according to the unit-time coal-marking consumption of each heat supply unit, and then distributing the thermoelectric load of the whole plant according to the sequencing result on the premise of meeting the real-time heat supply load, so that the total unit-time coal-marking consumption of all the heat supply units is the lowest, the thermoelectric load of each heat supply unit is obtained, and the distribution of the heat and electric loads of the whole plant based on the optimal heat supply economy is completed.
2. The optimal plant heat and electricity load distribution method based on heat supply economy according to claim 1, wherein the real-time heat supply load Q is as follows:
a is the real-time heating area, T is the real-time ambient temperature, and T is the time.
3. The optimal plant heat and power load distribution method based on heat supply economy according to claim 2, wherein the real-time plant power load N is as follows:
N＝f(t)。
4. the optimal plant heat and electricity load distribution method based on heat supply economy of claim 3, wherein the electricity load N of the ith heat supply unitiComprises the following steps:
Ni＝f(Qi)
wherein Q isiAnd (4) providing the heat load of the ith heat supply unit.
5. The optimal plant heat and electricity load distribution method based on heat supply economy according to claim 4, wherein the coal consumption per unit time of the ith heat supply unit is marked as BiComprises the following steps:
Bi＝f(Ni)。
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| CN202110853087.7A CN113554320A (en) | 2021-07-27 | 2021-07-27 | Whole-plant heat and electricity load distribution method based on optimal heat supply economy |
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| CN202110853087.7A CN113554320A (en) | 2021-07-27 | 2021-07-27 | Whole-plant heat and electricity load distribution method based on optimal heat supply economy |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114841542A (en) * | 2022-04-25 | 2022-08-02 | 河北华电石家庄热电有限公司 | Scheduling plan generation method and system for gas-steam combined cycle thermoelectric unit |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017071230A1 (en) * | 2015-10-30 | 2017-05-04 | 南京南瑞集团公司 | Method for short-term optimal scheduling of multi-agent hydropower station group |
| CN110070460A (en) * | 2019-04-16 | 2019-07-30 | 东南大学 | More set gas-steam combined cycle set thermoelectricity Optimal Load Dispatching Systems |
| CN111313415A (en) * | 2020-03-26 | 2020-06-19 | 华润电力技术研究院有限公司 | Load distribution method, system and device for thermal power plant and heat supply unit |
| CN111612308A (en) * | 2020-04-24 | 2020-09-01 | 国网河北省电力有限公司电力科学研究院 | General calculation method for evaluating coal consumption index of coal-fired heat supply unit |
| CN112633560A (en) * | 2020-12-11 | 2021-04-09 | 西安交通大学 | Power station optimal scheduling method containing coal-fired cogeneration unit |
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- 2021-07-27 CN CN202110853087.7A patent/CN113554320A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017071230A1 (en) * | 2015-10-30 | 2017-05-04 | 南京南瑞集团公司 | Method for short-term optimal scheduling of multi-agent hydropower station group |
| CN110070460A (en) * | 2019-04-16 | 2019-07-30 | 东南大学 | More set gas-steam combined cycle set thermoelectricity Optimal Load Dispatching Systems |
| CN111313415A (en) * | 2020-03-26 | 2020-06-19 | 华润电力技术研究院有限公司 | Load distribution method, system and device for thermal power plant and heat supply unit |
| CN111612308A (en) * | 2020-04-24 | 2020-09-01 | 国网河北省电力有限公司电力科学研究院 | General calculation method for evaluating coal consumption index of coal-fired heat supply unit |
| CN112633560A (en) * | 2020-12-11 | 2021-04-09 | 西安交通大学 | Power station optimal scheduling method containing coal-fired cogeneration unit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114841542A (en) * | 2022-04-25 | 2022-08-02 | 河北华电石家庄热电有限公司 | Scheduling plan generation method and system for gas-steam combined cycle thermoelectric unit |
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