CN109307306A - A kind of method and system of systems of distributed heating systems - Google Patents
A kind of method and system of systems of distributed heating systems Download PDFInfo
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- CN109307306A CN109307306A CN201810936989.5A CN201810936989A CN109307306A CN 109307306 A CN109307306 A CN 109307306A CN 201810936989 A CN201810936989 A CN 201810936989A CN 109307306 A CN109307306 A CN 109307306A
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- energy storage
- steam
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D11/00—Central heating systems using heat accumulated in storage masses
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B33/00—Steam-generation plants, e.g. comprising steam boilers of different types in mutual association
- F22B33/18—Combinations of steam boilers with other apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1003—Arrangement or mounting of control or safety devices for steam heating systems
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/14—Combined heat and power generation [CHP]
Abstract
The present invention is suitable for distributed energy technical field, provide the method and system of a kind of systems of distributed heating systems, the described method includes: receiving the steam consumption rate that steam flow detection device measures, steam consumption rate is the rate that heating installation consumes steam, steam consumption rate is compared with the first default steam consumption rate, if steam consumption rate is not less than the first default steam consumption rate, the first enabled instruction is then sent to generating set, the second enabled instruction is sent to waste heat boiler and controls energy storage device progress energy storage, if steam consumption rate is less than the first default steam consumption rate, the first halt instruction is then sent to generating set, send the second halt instruction to waste heat boiler and control energy storage device using energy storage generate steam be delivered to heating installation, it improves whole economic benefit and reduces the energy Waste.
Description
Technical field
The invention belongs to distributed energy technical field more particularly to the methods and system of a kind of systems of distributed heating systems.
Background technique
Distributed energy (distributed energy resources) refers to the Integrated Energy benefit for being distributed in user terminal
Use system.Electricity determining by heat be determined according to energy comprehensive utilization system for the heat demand in thermal region generating set type selecting and
System configuration, the type selecting of generating set is corresponding with maximum heat demand, for example, maximum heat demand is 100, at this point, the hair of selection
Motor group can generate the heat not less than 100.The load of generating set is changed with the variation of the heat demand of user,
But the regulating power of generating set is limited, i.e., when load is lower, generating set cannot significantly reduce generated energy, can still produce
Raw excessive generated energy, causes economic benefit low and the waste of the energy.
To sum up, it exists in the prior art when carrying out electricity determining by heat, is restricted since generating set adjusts generating capacity
Lead to the problem that economic benefit is lower and energy waste is serious.
Summary of the invention
In view of this, the embodiment of the invention provides a kind of method of systems of distributed heating systems and system, to solve existing skill
In art exist when carrying out electricity determining by heat, due to generating set adjusting generating capacity be restricted cause economic benefit lower and
The serious problem of energy waste.
The first aspect of the embodiment of the present invention provides a kind of method of systems of distributed heating systems, is applied to systems of distributed heating systems system
System, the systems of distributed heating systems system includes energy storage device, waste heat boiler, heating installation, steam flow detection device and generator
Group, the waste heat boiler are connect with the energy storage device, the heating installation and the generating set respectively, the energy storage device
It is connect with the heating installation, the steam flow detection device is connect with the heating installation;
The method of the systems of distributed heating systems includes:
The steam consumption rate that the steam flow detection device measures is received, the steam consumption rate is the confession
The rate of heater device consumption steam;
The steam consumption rate is compared with the first default steam consumption rate;
If the steam consumption rate is not less than the described first default steam consumption rate, the first enabled instruction is sent extremely
The generating set sends the second enabled instruction to the waste heat boiler and controls the energy storage device progress energy storage;Wherein,
First enabled instruction is used to indicate the generating set and is generated electricity and export high-temperature flue gas to the waste heat boiler, described
Second enabled instruction is used to indicate the high-temperature flue gas generation steam that the waste heat boiler is exported using the generating set and is delivered to
The heating installation, and remaining high-temperature flue gas is delivered to the energy storage device;
If the steam consumption rate is less than the described first default steam consumption rate, the first halt instruction is sent to institute
Generating set is stated, the second halt instruction is sent to the waste heat boiler and controls the energy storage device using energy storage generation
Steam is delivered to the heating installation.
The second aspect of the embodiment of the present invention provides a kind of systems of distributed heating systems system, and the systems of distributed heating systems system includes
Control unit, energy storage device, waste heat boiler, heating installation, steam flow detection device and generating set, described control unit point
It is not connect with the energy storage device, the waste heat boiler, the steam flow detection device and the generating set, the waste heat
Boiler is connect with the energy storage device, the heating installation and the generating set respectively, the energy storage device and the heating
Device connection, the steam flow detection device are connect with the heating installation;
Described control unit includes:
Steam obtains subelement, and the steam consumption rate measured for receiving the steam flow detection device is described
Steam consumption rate is the rate that the heating installation consumes steam;
Data processing subelement, for the steam consumption rate to be compared with the first default steam consumption rate;
First processing subelement, if being not less than the described first default steam consumption rate for the steam consumption rate,
The first enabled instruction is then sent to the generating set, the second enabled instruction of transmission to the waste heat boiler and controls the storage
It can equipment progress energy storage;Wherein, first enabled instruction is used to indicate the generating set and is generated electricity and export high temperature cigarette
For gas to the waste heat boiler, second enabled instruction is used to indicate the height that the waste heat boiler utilizes generating set output
Warm flue gas generates steam and is delivered to the heating installation, and remaining high-temperature flue gas is delivered to the energy storage device.
Second processing subelement, if being less than the described first default steam consumption rate for the steam consumption rate,
The first halt instruction is sent to the generating set, the second halt instruction of transmission to the waste heat boiler and controls the energy storage
Energy storage described in equipment utilization generates steam and is delivered to the heating installation.
The third aspect of the embodiment of the present invention provides a kind of computer readable storage medium, the computer-readable storage
Media storage has computer program, the computer program realizes systems of distributed heating systems as described above method when being executed by processor
The step of.
Existing beneficial effect is the embodiment of the present invention compared with prior art: the present embodiment is by receiving steam flow inspection
The steam consumption rate that device measures is surveyed, steam consumption rate is the rate that heating installation consumes steam, by steam consumption speed
Rate is compared with the first default steam consumption rate, if steam consumption rate is not less than the first default steam consumption rate,
Send the first enabled instruction to generating set, send the second enabled instruction to waste heat boiler and control energy storage device and stored up
Can, the first enabled instruction is used to indicate generating set and is generated electricity and export high-temperature flue gas to waste heat boiler, the second enabled instruction
It is used to indicate the high-temperature flue gas that waste heat boiler exported using generating set and generates steam and be delivered to heating installation, and by remaining high temperature
Flue gas is delivered to energy storage device, if steam consumption rate sends the first halt instruction less than the first default steam consumption rate
To generating set, send the second halt instruction to waste heat boiler and control energy storage device using energy storage generate steam be delivered to confession
Heater device.The embodiment of the present invention passes through the steam consumption rate that will test and is compared with the first default steam consumption rate,
It is whether lower to judge heat demand, if heat demand is higher, controls generating set and waste heat boiler generates steam and is delivered to
Heating installation, when there are remaining high-temperature flue gas, waste heat boiler is not emptied directly, but is transported to energy storage device, control
Unit control energy storage device processed improves the utilization rate of the energy, if heat demand is lower, controls using remaining high-temperature flue gas energy storage
Energy storage device generates steam using energy storage and is delivered to heating installation, produces without continuing with fuel by generating set and waste heat boiler
Raw steam this improves whole economic benefit and reduces the waste of the energy.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only of the invention some
Embodiment for those of ordinary skill in the art without any creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is the implementation process schematic diagram of the method for systems of distributed heating systems provided by one embodiment of the present invention;
Fig. 2 is the implementation process schematic diagram of the method for systems of distributed heating systems provided by one embodiment of the present invention;
Fig. 3 is the structural schematic diagram of systems of distributed heating systems system provided by one embodiment of the present invention;
Fig. 4 is the concrete structure schematic diagram of the first processing subelement provided by one embodiment of the present invention.
Specific embodiment
In being described below, for illustration and not for limitation, the tool of such as particular system structure, technology etc is proposed
Body details, to understand thoroughly the embodiment of the present invention.However, it will be clear to one skilled in the art that there is no these specific
The present invention also may be implemented in the other embodiments of details.In other situations, it omits to well-known system, device, electricity
The detailed description of road and method, in case unnecessary details interferes description of the invention.
In order to illustrate technical solutions according to the invention, the following is a description of specific embodiments.
Embodiment 1:
Fig. 1 shows the implementation process of the method for the systems of distributed heating systems of one embodiment of the present of invention offer, and the present invention is real
The process executing subject for applying example can be control unit, and control unit is applied to systems of distributed heating systems system, systems of distributed heating systems system
Including energy storage device, waste heat boiler, heating installation, steam flow detection device and generating set, the waste heat boiler respectively with
The energy storage device, the heating installation are connected with the generating set, and the energy storage device is connect with the heating installation, institute
It states steam flow detection device to connect with the heating installation, details are as follows for the realization process of the method for systems of distributed heating systems:
In step s101, the steam consumption rate that steam flow detection device measures is received, steam consumption rate is
The rate of heating installation consumption steam.
In the present embodiment, interval preset flow acquisition time receives the steam consumption that steam flow detection device measures
Rate, can be steam mass flow can also be passed through within the unit time with vapour volume flow, steam mass flow expression
The quality of the steam of pipeline is preset in heating installation, vapour volume flow indicates within the unit time by presetting in heating installation
The volume of the steam of pipeline, wherein the unit time can be hour, or point or the second.
In step s 102, steam consumption rate is compared with the first default steam consumption rate.
In the present embodiment, since the heat demand of user is variation, but generating set adjusts the ability of power generating and heating
Be limited, by real-time detection to steam consumption rate be compared with the first default steam consumption rate, to judge
Whether the actual load of generating set is lower than default load, for example, default load is 50% at full capacity, if actual load is low
In default load, indicate the heat demand (i.e. the amount of steam needed for heating installation) at active user end differed with maximum heat demand compared with
Greatly, but since the adjusting generating capacity of generating set is limited by itself, power generating and heating is excessive, eventually leads to the excessive energy
Waste.
Wherein, heat production refers to that the high-temperature flue gas that generating set generates can be carried out waste heat recycling generation steam by waste heat boiler
For heating installation heat supply use.
Wherein, the type selecting of generating set is related with maximum heat demand, the high-temperature flue gas that generating set oepration at full load generates
Amount can be not less than the amount of the corresponding steam of maximum heat demand using the amount for generating steam by waste heat boiler.
Wherein, high-temperature flue gas refers to that temperature is greater than the flue gas of the first preset temperature, for example, the first preset temperature is 150 DEG C,
It is by generating when gas turbine combustion fuel in generating set.
In step s 103, if steam consumption rate is not less than the first default steam consumption rate, the first starting is sent
Instruction is to generating set, the second enabled instruction of transmission to waste heat boiler and controls energy storage device progress energy storage.Wherein, it first opens
Dynamic instruction is used to indicate generating set and is generated electricity and export high-temperature flue gas to waste heat boiler, and the second enabled instruction is used to indicate remaining
The high-temperature flue gas that heat boiler is exported using generating set generates steam and is delivered to heating installation, and remaining high-temperature flue gas is delivered to
Energy storage device.
Optionally, step S103 includes:
First mode switching command is sent to energy storage device, first mode switching command is used to indicate energy storage device will be current
Pattern switching is default energy storage mode.
Wherein, it presets energy storage mode and its internal energy storage material is heated into height using remaining high-temperature flue gas for energy storage device
The energy storage material of warm molten state, and stored.
In the present embodiment, if steam consumption rate is not less than the first default steam consumption rate, active user end is indicated
Heat demand differ smaller with maximum heat demand, at this point it is possible to continue to use generating set and waste heat boiler carries out power generation and produces steaming
Vapour carries out in the power generation producing steam time in generating set and waste heat boiler, if there are unused high-temperature flue gas in waste heat boiler,
I.e. remaining high-temperature flue gas, can be transported to energy storage device, so that energy storage device is stored up using the remaining high-temperature flue gas
Deposit heat.
In the present embodiment, energy storage device include circulating pump, First Heat Exchanger, the first energy storage device, the second energy storage device,
Variable frequency pump and the second heat exchanger.Circulating pump is connect with First Heat Exchanger and the first energy storage device respectively, First Heat Exchanger respectively with
Second energy storage device is connected with waste heat boiler, and variable frequency pump is connect with the second heat exchanger and the second energy storage device respectively, the second heat exchange
Device is connect with the first energy storage device.First energy storage device is stored with the energy storage material for not storing heat, the storage of the second energy storage device
There is the energy storage material of the high-temperature molten-state of stored heat.After energy storage device enters default energy storage mode, circulating pump is by the
Energy storage material in one energy storage device is pumped to First Heat Exchanger, when energy storage material absorbs high-temperature flue gas in First Heat Exchanger
Heat after becoming the energy storage material of high-temperature molten-state, will pass through pipeline and flow to the second energy storage device.The energy storage material of high-temperature molten-state
Material refers to that temperature is more than the energy storage material of the molten state of the second preset temperature, for example, the second preset temperature is 300 DEG C.
In the present embodiment, energy storage device can also include the controller connecting with circulating pump, variable frequency pump and control unit,
The operating mode of current energy storage device it is corresponding can be switched to pattern switching instruction after receiving pattern switching instruction by it
Mode.
In step S104, if steam consumption rate sends first and stops referring to less than the first default steam consumption rate
Enable to generating set, send the second halt instruction to waste heat boiler and control energy storage device using energy storage generate steam be delivered to
Heating installation
Optionally, if steam consumption rate sends power supply instruction to heating installation less than the first default steam consumption rate
The corresponding power supply company of affiliated heating area, continues as heating area by the power supply company and is powered, and power supply instruction includes
With electricity demanding corresponding to heat demand.Wherein, heat demand is determined according to steam consumption rate.Illustratively, currently
Steam consumption rate is the largest the 60% of steam consumption rate, then current heat demand is the 60% of maximum heat demand, current electricity
Demand is the 60% of maximum point demand, i.e., current desired electricity is the 60% of maximum generating watt.
Optionally, step S104 includes:
Second mode switching command is sent to energy storage device, second mode switching command is used to indicate energy storage device will be current
Pattern switching is default heat supply mode.
Wherein, it presets heat supply mode and cold water is heated into steam simultaneously using the energy storage material of high-temperature molten-state for energy storage device
It is delivered to heating installation.
In the present embodiment, if steam consumption rate indicates active user end less than the first default steam consumption rate
Heat demand differs larger with maximum heat demand, if at this point, continue to use generating set and waste heat boiler carries out power generation producing steam,
The manager benefit of generating set can be reduced and reduce the comprehensive utilization of energy rate of entire systems of distributed heating systems system, therefore, selection
Generating set and waste heat boiler are closed, only utilizes the heat stored in default energy storage mode to generate steam by energy storage device and conveys
To heating equipment so that heating equipment carries out heat supply using steam for user, reduces generating set and carry out the required fuel that generates electricity
Consumption.
In the present embodiment, energy storage material can have when as heat-storing material, i.e. energy storage material for fuse salt
At low cost, the advantages that hot melt is high and safety is higher.
In the present embodiment, the first halt instruction is used to indicate generator stopping power generation and generates high-temperature flue gas, that is, stops fortune
Turn.
In the present embodiment, the second halt instruction is used to indicate waste heat boiler and stops generating steam using high-temperature flue gas.
In the present embodiment, after energy storage device enters default heat supply mode, variable frequency pump is by the height in the second energy storage device
The energy storage material of warm molten state is delivered to the second heat exchanger, and in the second heat exchanger, the energy storage material of high-temperature molten-state is by cold water
It is heated into steam, the energy storage material of high-temperature molten-state becomes energy storage material, steam is delivered to heating plant by pipeline, and lead to
It crosses another pipeline and energy storage material is delivered to the first energy storage device, to realize recycling for energy storage material.
Optionally, after step s 104, can also include:
From the default table of comparisons, the revolving speed of the corresponding variable frequency pump of steam consumption rate is obtained, as rotating speed of target, according to this
Rotating speed of target generates regulating command and is sent to variable frequency pump, and regulating command is used to indicate variable frequency pump and current rotating speed is adjusted to target turn
Speed.
In the present embodiment, by the available steam consumption of steam consumption rate of heating installation, to adjust storage
The amount of the generation steam of energy equipment, control unit send regulating command to variable frequency pump, and variable frequency pump adjusts revolving speed according to instruction with reality
The effect of flow is now adjusted, that is, realizes to adjust and be pumped from the second energy storage device to the amount of the second heat exchanger, when pumping to second
When energy storage material amount in heat exchanger reduces, the amount of the steam ultimately generated is also being reduced, and realizes energy saving effect.
In the present embodiment, compared by the steam consumption rate and the first default steam consumption rate that will test
Compared with if heat demand is higher, controlling generating set and waste heat boiler generate steam conveying so that whether judge heat demand lower
To heating installation, when there are remaining high-temperature flue gas, waste heat boiler is not emptied directly, but is transported to energy storage device,
Control unit controls energy storage device using remaining high-temperature flue gas energy storage, improves the utilization rate of the energy, if heat demand is lower, controls
Energy storage device processed generates steam using energy storage and is delivered to heating installation, without continuing with fuel by generating set and waste heat boiler
Steam is generated, this improves whole economic benefit and reduces the waste of the energy.
As shown in Fig. 2, in one embodiment of the invention, in the embodiment corresponding to Fig. 1 after step S104 also
May include:
In step s 201, the total amount of the energy storage material of the high-temperature molten-state of storage is obtained.
In the present embodiment, the gross mass of the energy storage material of the high-temperature molten-state stored in the second energy storage device is obtained.
In step S202, the total amount of the energy storage material of the high-temperature molten-state based on storage calculates storage facilities storage
Heat.
Optionally, step S202 includes:
1) the corresponding low heat valve of energy storage material and the corresponding low heat valve of standard coal of high-temperature molten-state are obtained.
2) the corresponding low heat valve of the energy storage material of high-temperature molten-state is obtained divided by the corresponding low heat valve of standard coal
To conversion factor.
3) product for calculating the total amount of the energy storage material of the high-temperature molten-state of conversion factor and storage, obtains coal consumption.
4) basisCalculate the heat of storage, wherein Q indicates that the heat of storage, K indicate
Default heat transfer coefficient, H indicate that default heat transfer area, T indicate default adverse current logarithmic mean temperature difference (LMTD), and B indicates coal consumption, and t indicates storage
Energy equipment carries out the time of energy storage.
In the present embodiment, conversion factor of the energy storage material relative to standard coal of the high-temperature molten-state is first calculated, so
Coal consumption can be obtained according to the total amount of conversion factor and the energy storage material of the high-temperature molten-state of high temperature afterwards, so as to consume
Coal amount substitutes intoIn calculate the heat that the second energy storage device stores per hour, then multiplied by current current storage
Energy equipment enters the duration of progress energy storage after default energy storage mode, the heat that can be stored.
Preferably, when carrying out energy storage, if there are remaining heats in the second energy storage device, that is, it is not belonging to class storage
The heat of the storage obtained by formula can be obtained the heat of new storage plus remaining heat by heat.
In step S203, the mapping relations based on design heat amount and quantity of steam calculate steam according to the calorimeter of storage
Total amount.
In the present embodiment, the mapping relations of design heat amount and quantity of steam indicate that the heat of 1KJ can be obtained using cold water
Steam quality or volume, which obtained based on lot of experimental data, have accuracy, wherein cold water can
The water lower than certain temperature is thought, for example, being lower than 25 DEG C of water.
In the present embodiment, the mapping relations are based on, the heat that can be stored can generate steam using cold water
Gross mass or total volume.
In step S204, according to steam total amount and steam consumption rate, heating duration is calculated.
Optionally, step S204 includes:
1) the steam consumption rate that steam flow detection device measures when energy storage device generates steam is obtained, as ginseng
Examine steam consumption rate.
2) average value for calculating the reference vapor wear rate in preset duration, obtains average steam wear rate.
3) steam total amount is obtained into heating duration divided by average steam wear rate.
In the present embodiment, control unit will be after energy storage device generates steam, received steam flowrate testing dress
The steam consumption rate for setting transmission, as reference vapor wear rate.Since steam consumption rate can change, because
This, calculates the average value of the reference vapor wear rate in preset duration, the heating duration then come out using mean value calculation
It can be improved the accuracy of prediction result.
By taking a concrete application scene as an example, it is 3kg that steam total amount, which is steam gross mass, and average steam wear rate is
1kg/h, the then heating duration calculated are 3 hours.
In step S205, when heating duration is less than default heating duration, the first enabled instruction of transmission to generating set,
The second enabled instruction is sent to waste heat boiler and controls energy storage device progress energy storage.
In the present embodiment, the time that energy storage device generates steam after entering default heat supply mode is obtained, when by heating
Between subtract energy storage device generate steam time, obtain new heating duration, detect whether new heating duration is less than default confession
The warm time, if more than, then it represents that the steam that energy storage device generates can satisfy the demand of user, if being less than, then it represents that energy storage is set
The amount for the steam that the amount of steam caused by standby remaining storage heat has been needed it is impossible to meet heating installation, therefore, when
Calculate energy storage device heating duration be less than default heating duration after, just retransmit the first enabled instruction to generating set,
The second enabled instruction is sent to waste heat boiler and controls energy storage device progress energy storage, so that again by generating set and waste heat
Boiler generates steam, and energy storage device stores heat again.
In the present embodiment, heating duration indicates that energy storage device can generate the time for meeting the steam of user demand, is
It is being reduced with the reduction of the remaining storage heat of energy storage device storage, in variation when the time.
In the present embodiment, by calculating heating duration, and heating duration is compared with default heating duration, thus
Judge whether energy storage device can also generate the quantity of steam for meeting user's heat demand, if cannot, control generating set and remaining
Heat boiler regenerates steam, so that the demand of user is ensured.
It should be understood that the size of the serial number of each step is not meant that the order of the execution order in above-described embodiment, each process
Execution sequence should be determined by its function and internal logic, the implementation process without coping with the embodiment of the present invention constitutes any limit
It is fixed.
Embodiment 2:
Fig. 3 shows the control unit 110 of one embodiment of the present of invention offer, is applied to systems of distributed heating systems system
100, systems of distributed heating systems system 100 includes control unit 110, energy storage device 120, waste heat boiler 130, heating installation 140, steam
Flow detector 150 and generating set 160, control unit 110 respectively with energy storage device 120, waste heat boiler 130, steam stream
Amount detecting device 150 and generating set 160 connect, waste heat boiler 130 respectively with energy storage device 120, heating installation 140 and power generation
Unit 160 connects, and energy storage device 120 is connect with heating installation 140, and steam flow detection device 150 and heating installation 140 connect
It connects.
Control unit 110 includes:
Steam obtains subelement 111, the steam consumption rate measured for receiving steam flow detection device, and steam disappears
Consuming rate is the rate that heating installation consumes steam.
Data processing subelement 112, for steam consumption rate to be compared with the first default steam consumption rate.
First processing subelement 113 is sent if being not less than the first default steam consumption rate for steam consumption rate
First enabled instruction is to generating set, the second enabled instruction of transmission to waste heat boiler and controls energy storage device progress energy storage.Its
In, the first enabled instruction is used to indicate generating set and is generated electricity and export high-temperature flue gas to waste heat boiler, the second enabled instruction
It is used to indicate the high-temperature flue gas that waste heat boiler exported using generating set and generates steam and be delivered to heating installation, and by remaining high temperature
Flue gas is delivered to energy storage device.
Second processing subelement 140, if sending for steam consumption rate less than the first default steam consumption rate
One halt instruction is to generating set, the second halt instruction of transmission to waste heat boiler and controls energy storage device using energy storage generation steaming
Vapour is delivered to heating installation.
Optionally, the first processing subelement 130 includes:
First instruction sending submodule 10, for sending first mode switching command to energy storage device, first mode switching
Instruction is used to indicate energy storage device and present mode is switched to default energy storage mode.
Wherein, it presets energy storage mode and its internal energy storage material is heated into height using remaining high-temperature flue gas for energy storage device
The energy storage material of warm molten state, and stored.
Optionally, second processing subelement includes:
Second instruction sending submodule, for sending second mode switching command to energy storage device, second mode switching refers to
Order is used to indicate energy storage device and present mode is switched to default heat supply mode.
Wherein, it presets heat supply mode and cold water is heated into steam simultaneously using the energy storage material of high-temperature molten-state for energy storage device
It is delivered to heating installation.
As shown in figure 4, in one embodiment of the invention, the first processing subelement 130 further include:
Energy storage total amount obtains module 11, the total amount of the energy storage material of the high-temperature molten-state for obtaining storage.
Heat Calculation module 12 is stored, the total amount of the energy storage material for the high-temperature molten-state based on storage calculates storage
Deposit the heat of equipment storage.
Steam total amount computing module 13, for the mapping relations based on design heat amount and quantity of steam, according to the heat of storage
Calculate steam total amount.
Heating duration computing module 14, for calculating heating duration according to steam total amount and steam consumption rate.
First control module 15, for sending the first enabled instruction and extremely sending out when heating duration is less than default heating duration
Motor group sends the second enabled instruction to waste heat boiler and controls energy storage device progress energy storage.
Optionally, storage heat Calculation module 12 includes:
Low heat valve acquisition submodule, for obtaining the energy storage material pair of the second instruction sending submodule high-temperature molten-state
The corresponding low heat valve of low heat valve and standard coal answered.
Conversion factor computing unit, for the energy storage material of the second instruction sending submodule high-temperature molten-state is corresponding low
Position calorific value obtains conversion factor divided by the corresponding low heat valve of the second instruction sending submodule standard coal.
Coal consumption computing unit, for calculating the second instruction sending submodule conversion factor and the second instruction sending submodule
The product of the total amount of the energy storage material of the high-temperature molten-state of storage, obtains coal consumption.
Heat Calculation unit is stored, basis is used forCalculate the second instruction sending submodule
The heat of storage, wherein Q indicates that the heat of the second instruction sending submodule storage, K indicate that default heat transfer coefficient, H indicate default
Heat transfer area, T indicate default adverse current logarithmic mean temperature difference (LMTD), and B indicates the second instruction sending submodule coal consumption, and t indicates that energy storage is set
The standby time for carrying out energy storage.
Optionally, heating duration computing module 14 includes:
Reference rate computational submodule is measured for obtaining the steam flow detection device when energy storage device generates steam
Steam consumption rate, as reference vapor wear rate.
Mean Speed computing unit is put down for calculating the average value of the reference vapor wear rate in preset duration
Equal steam consumption rate.
Heating duration computational submodule, for steam total amount divided by average steam wear rate, to be obtained heating duration.
In one embodiment, systems of distributed heating systems system 100 further includes other function module/unit, for realizing implementation
Method and step in example 1 in each embodiment.
Embodiment 3:
The embodiment of the invention also provides a kind of computer readable storage medium, computer-readable recording medium storage has meter
Calculation machine program is realized the step in each embodiment as described in example 1 above, such as is schemed when computer program is executed by processor
Step S101 shown in 1 to step S104.Alternatively, realizing when the computer program is executed by processor such as institute in embodiment 2
The function of each module/unit in each system embodiment stated, such as the function of module 110 to 140 shown in Fig. 3.
The computer program can be stored in a computer readable storage medium, and the computer program is by processor
When execution, it can be achieved that the step of above-mentioned each embodiment of the method.Wherein, the computer program includes computer program code,
The computer program code can be source code form, object identification code form, executable file or certain intermediate forms etc..Institute
State computer-readable medium may include: can carry the computer program code any entity or device, recording medium,
USB flash disk, mobile hard disk, magnetic disk, CD, computer storage, read-only memory (ROM, Read-Only Memory), arbitrary access
Memory (RAM, Random Access Memory), electric carrier signal, telecommunication signal and software distribution medium etc..It needs
It is bright, the content that the computer-readable medium includes can according in jurisdiction make laws and patent practice requirement into
Row increase and decrease appropriate, such as in certain jurisdictions, according to legislation and patent practice, computer-readable medium do not include be electricity
Carrier signal and telecommunication signal.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, is not described in detail or remembers in some embodiment
The part of load may refer to the associated description of other embodiments.
The steps in the embodiment of the present invention can be sequentially adjusted, merged and deleted according to actual needs.
Module or unit in system of the embodiment of the present invention can be combined, divided and deleted according to actual needs.
Those of ordinary skill in the art may be aware that list described in conjunction with the examples disclosed in the embodiments of the present disclosure
Member and algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually
It is implemented in hardware or software, the specific application and design constraint depending on technical solution.Professional technician
Each specific application can be used different methods to achieve the described function, but this realization is it is not considered that exceed
The scope of the present invention.
In embodiment provided by the present invention, it should be understood that disclosed device/terminal device and method, it can be with
It realizes by another way.For example, device described above/terminal device embodiment is only schematical, for example, institute
The division of module or unit is stated, only a kind of logical function partition, there may be another division manner in actual implementation, such as
Multiple units or components can be combined or can be integrated into another system, or some features can be ignored or not executed.Separately
A bit, shown or discussed mutual coupling or direct-coupling or communication connection can be through some interfaces, device
Or the INDIRECT COUPLING or communication connection of unit, it can be electrical property, mechanical or other forms.
Embodiment described above is merely illustrative of the technical solution of the present invention, rather than its limitations;Although referring to aforementioned reality
Applying example, invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each
Technical solution documented by embodiment is modified or equivalent replacement of some of the technical features;And these are modified
Or replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution should all
It is included within protection scope of the present invention.
Claims (10)
1. a kind of method of systems of distributed heating systems, which is characterized in that be applied to systems of distributed heating systems system, the systems of distributed heating systems system
Including energy storage device, waste heat boiler, heating installation, steam flow detection device and generating set, the waste heat boiler respectively with
The energy storage device, the heating installation are connected with the generating set, and the energy storage device is connect with the heating installation, institute
Steam flow detection device is stated to connect with the heating installation;
The method of the systems of distributed heating systems includes:
The steam consumption rate that the steam flow detection device measures is received, the steam consumption rate is heating dress
Set the rate of consumption steam;
The steam consumption rate is compared with the first default steam consumption rate;
If the steam consumption rate is not less than the described first default steam consumption rate, the first enabled instruction is sent to described
Generating set sends the second enabled instruction to the waste heat boiler and controls the energy storage device progress energy storage;Wherein, described
First enabled instruction is used to indicate the generating set and is generated electricity and export high-temperature flue gas to the waste heat boiler, and described second
Enabled instruction be used to indicate the high-temperature flue gas that the waste heat boiler exported using the generating set generate steam be delivered to it is described
Heating installation, and remaining high-temperature flue gas is delivered to the energy storage device;
If the steam consumption rate is less than the described first default steam consumption rate, the first halt instruction is sent to the hair
Motor group sends the second halt instruction to the waste heat boiler and controls the energy storage device using energy storage generation steam
It is delivered to the heating installation.
2. the method for systems of distributed heating systems as described in claim 1, which is characterized in that the control energy storage device is stored up
It can, comprising:
First mode switching command is sent to the energy storage device, the first mode switching command is used to indicate the energy storage and sets
It is standby that present mode is switched to default energy storage mode;
Wherein, the default energy storage mode is that the energy storage device utilizes the remaining high-temperature flue gas by its internal energy storage material
It is heated into the energy storage material of high-temperature molten-state, and is stored.
3. the method for systems of distributed heating systems as claimed in claim 2, which is characterized in that the control energy storage device utilizes institute
It states energy storage generation steam and is delivered to the heating installation, comprising:
Second mode switching command is sent to the energy storage device, the second mode switching command is used to indicate the energy storage and sets
It is standby that present mode is switched to default heat supply mode;
Wherein, the default heat supply mode is that the energy storage device is heated cold water using the energy storage material of the high-temperature molten-state
At steam and it is delivered to the heating installation.
4. the method for systems of distributed heating systems as described in claim 1, which is characterized in that controlling described in the energy storage device utilization
Energy storage generates steam and is delivered to after the heating installation, comprising:
Obtain the total amount of the energy storage material of the high-temperature molten-state of storage;
The total amount of the energy storage material of high-temperature molten-state based on the storage calculates the heat of the storage facilities storage;
Mapping relations based on design heat amount and quantity of steam calculate steam total amount according to the calorimeter of the storage;
According to the steam total amount and the steam consumption rate, heating duration is calculated;
When the heating duration is less than default heating duration, first enabled instruction is sent to the generating set, transmission
Second enabled instruction is to the waste heat boiler and controls the energy storage device progress energy storage.
5. the method for systems of distributed heating systems as claimed in claim 4, which is characterized in that the high-temperature fusion based on the storage
The total amount of the energy storage material of state calculates the heat of the storage facilities storage, comprising:
Obtain the corresponding low heat valve of energy storage material and the corresponding low heat valve of standard coal of the high-temperature molten-state;
By the corresponding low heat valve of the energy storage material of the high-temperature molten-state divided by the corresponding low heat valve of the standard coal,
Obtain conversion factor;
The product for calculating the total amount of the energy storage material of the high-temperature molten-state of the conversion factor and the storage, obtains coal consumption;
According toCalculate the heat of the storage, wherein Q indicates that the heat of the storage, K indicate
Default heat transfer coefficient, H indicate that default heat transfer area, T indicate default adverse current logarithmic mean temperature difference (LMTD), and B indicates the coal consumption, t table
Show that the energy storage device carries out the time of energy storage.
6. the method for systems of distributed heating systems as claimed in claim 4, which is characterized in that described according to the steam total amount and described
Steam consumption rate calculates heating duration, comprising:
The steam consumption rate that the steam flow detection device measures when the energy storage device generates steam is obtained, as
Reference vapor wear rate;
The average value for calculating the reference vapor wear rate in preset duration, obtains average steam wear rate;
By the steam total amount divided by the average steam wear rate, the heating duration is obtained.
7. a kind of systems of distributed heating systems system, which is characterized in that the systems of distributed heating systems system include control unit, energy storage device,
Waste heat boiler, heating installation, steam flow detection device and generating set, described control unit respectively with the energy storage device,
The waste heat boiler, the steam flow detection device are connected with the generating set, the waste heat boiler respectively with the storage
Energy equipment, the heating installation are connected with the generating set, and the energy storage device is connect with the heating installation, the steam
Flow detector is connect with the heating installation;
Described control unit includes:
Steam obtains subelement, the steam consumption rate measured for receiving the steam flow detection device, the steam
Wear rate is the rate that the heating installation consumes steam;
Data processing subelement, for the steam consumption rate to be compared with the first default steam consumption rate;
First processing subelement is sent out if being not less than the described first default steam consumption rate for the steam consumption rate
It send the first enabled instruction to the generating set, send the second enabled instruction to the waste heat boiler and control the energy storage and set
It is standby to carry out energy storage;Wherein, first enabled instruction is used to indicate the generating set and is generated electricity and export high-temperature flue gas extremely
The waste heat boiler, second enabled instruction are used to indicate the high temperature cigarette that the waste heat boiler utilizes generating set output
Gas generates steam and is delivered to the heating installation, and remaining high-temperature flue gas is delivered to the energy storage device;
Second processing subelement is sent if being less than the described first default steam consumption rate for the steam consumption rate
First halt instruction to the generating set, the second halt instruction of transmission to the waste heat boiler and controls the energy storage device
Steam, which is generated, using the energy storage is delivered to the heating installation.
8. the system of systems of distributed heating systems as claimed in claim 7, which is characterized in that described first, which handles subelement, includes:
First instruction sending submodule, for sending first mode switching command to the energy storage device, the first mode is cut
It changes instruction and is used to indicate the energy storage device and present mode is switched to default energy storage mode;
Wherein, the default energy storage mode is that the energy storage device utilizes the remaining high-temperature flue gas by its internal energy storage material
It is heated into the energy storage material of high-temperature molten-state, and is stored.
9. the system of systems of distributed heating systems as claimed in claim 7, which is characterized in that the first processing subelement further include:
Energy storage total amount obtains module, the total amount of the energy storage material of the high-temperature molten-state for obtaining storage;
Heat Calculation module is stored, the total amount of the energy storage material for the high-temperature molten-state based on the storage calculates described
The heat of storage facilities storage;
Steam total amount computing module, for the mapping relations based on design heat amount and quantity of steam, according to the calorimeter of the storage
Calculate steam total amount;
Heating duration computing module, for calculating heating duration according to the steam total amount and the steam consumption rate;
First control module, for sending first enabled instruction extremely when the heating duration is less than default heating duration
The generating set sends the second enabled instruction to the waste heat boiler and controls the energy storage device progress energy storage.
10. a kind of computer readable storage medium, the computer-readable recording medium storage has computer program, and feature exists
In realizing the method for systems of distributed heating systems as described in any one of claim 1 to 6 when the computer program is executed by processor
Step.
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