CN208606249U - A kind of heat load adjustment system of gas turbine cogeneration of heat and power - Google Patents
A kind of heat load adjustment system of gas turbine cogeneration of heat and power Download PDFInfo
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- CN208606249U CN208606249U CN201821131275.9U CN201821131275U CN208606249U CN 208606249 U CN208606249 U CN 208606249U CN 201821131275 U CN201821131275 U CN 201821131275U CN 208606249 U CN208606249 U CN 208606249U
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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]
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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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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Abstract
The utility model discloses a kind of heat load adjustment systems of gas turbine cogeneration of heat and power.It include: combustion gas wheel gas turbine electricity production subsystem, waste heat boiler, energy storage subsystem, heat user subsystem；When user's thermic load is low, the flue gas that gas turbine electricity production subsystem comes out flows through energy storage subsystem and flows to waste heat boiler after exchanging heat with energy storage subsystem；Water supply is heated into after steam by waste heat boiler and is conveyed to heat user subsystem；When user's thermic load is high, gas turbine produces electricity the flue gas flow direction waste heat boiler that subsystem comes out；Water supply passes through waste heat boiler respectively and energy storage subsystem is heated into after steam and is conveyed to heat user subsystem jointly；When user's heat load balance, gas turbine produces electricity the flue gas flow direction waste heat boiler that subsystem comes out；Energy storage subsystem is closed；Water supply is heated into after steam by waste heat boiler and is conveyed to heat user subsystem.Realization gas turbine meets the needs of end heat user under the operating condition for keeping running at full capacity.
Description
Technical field
The utility model belongs to cogeneration of heat and power and technical field of waste heat utilization more particularly to a kind of gas turbine cogeneration of heat and power
Heat load adjustment system.
Background technique
Gas turbine, which is attached to waste heat boiler, can easily realize cogeneration of heat and power, neatly meet the multiple need of thermoelectricity of user
It wants, the principal mode of system is that the high-temperature flue gas of gas turbine discharge is converted to steam by waste heat boiler recycling.But thermoelectricity
In coproduction project actual motion, thermic load needed for the heat user of end has fluctuation.It was all to be adjusted by adjusting combustion engine power output in the past
Thermic load is saved, however the advantage of gas turbine is that under operating condition at full capacity that generating efficiency highest, economic benefit are best.Therefore,
How to realize under gas turbine at full capacity operating condition, thermic load needed for meeting its end heat user be those skilled in the art urgently
The problem of solution.
Summary of the invention
The purpose of the utility model is to provide a kind of heat load adjustment systems of gas turbine cogeneration of heat and power, realize combustion gas wheel
Machine meets the needs of end heat user under the operating condition for keeping running at full capacity.
The technical scheme that the utility model is provided is as follows:
A kind of heat load adjustment system of gas turbine cogeneration of heat and power, comprising:
Gas turbine heat Electricity Federation produce surviving of son system, energy storage subsystem, heat user subsystem；
The gas turbine heat Electricity Federation produce surviving of son system includes the gas turbine electricity production subsystem and waste heat boiler set gradually；
When user's thermic load is low, the gas turbine electricity production subsystem, the energy storage subsystem and the waste heat boiler
It is sequentially connected in series；The flue gas that gas turbine electricity production subsystem comes out flow through the energy storage subsystem and with the energy storage subsystem
The waste heat boiler is flowed to after heat exchange；Water supply is heated into after steam by the waste heat boiler and is conveyed to the heat user subsystem
System；
When user's thermic load is high, the gas turbine electricity production subsystem is connected with the waste heat boiler；The combustion gas wheel
Machine produces electricity waste heat boiler described in the flue gas flow direction that subsystem comes out；Water supply passes through the waste heat boiler and the energy storage subsystem respectively
System is heated into after steam is conveyed to the heat user subsystem jointly；
When user's heat load balance, the gas turbine electricity production subsystem is connected with the waste heat boiler；The combustion gas
Turbine produces electricity waste heat boiler described in the flue gas flow direction that subsystem comes out；The energy storage subsystem is closed；Water supply passes through the waste heat
Boiler is conveyed to the heat user subsystem after being heated into steam.
In the technical program, this system adapts to switch difference in time when the fluctuation of user's thermic load by three kinds of operating conditions of setting
The method of operation, realize in the case where gas turbine electricity production subsystem is in running at full capacity always, while meeting hot use
Demand of the family subsystem to thermic load.Since gas turbine electricity production subsystem is in running at full capacity always, without to combustion gas wheel
The load of machine electricity production subsystem frequently adjusts, so that the stability of gas turbine electricity production subsystem operation is higher；Combustion gas wheel simultaneously
Machine produces electricity subsystem and maintains highest generating efficiency, improves the economic benefit of gas turbine electricity production subsystem.
It is further preferred that the energy storage subsystem includes First Heat Exchanger, the first heat transferring medium, energy-storage box, first follows
Ring pump；The first circulation pump drives first heat transferring medium successively in the First Heat Exchanger and the energy-storage box recycle stream
It is dynamic；When user's thermic load is low, the flue gas that gas turbine electricity production subsystem comes out flow through the First Heat Exchanger and with institute
Enter the waste heat boiler after stating the heat exchange cooling of the first heat transferring medium, first heat transferring medium after heating flows through the energy storage
Case；When user's thermic load is high, water supply is conveyed to the heat user subsystem after forming steam by the energy-storage box heat temperature raising
System.
In the technical program, energy storage subsystem is provided with energy-storage box, and energy-storage box is used to store heat, and the size of energy-storage box can
With specific setting according to actual needs.When user's thermic load is low, the flue gas that gas turbine electricity production subsystem comes out flows through described
It exchanges heat when First Heat Exchanger with the first heat transferring medium, the first heat transferring medium after heating flows through energy-storage box and realizes the recycling of heat
Storage；When user's thermic load is high, water supply is conveyed to heat user subsystem after forming steam by energy-storage box heat temperature raising, thus
Realize the recycling of the heat of recycling storage；To realize gas turbine electricity production subsystem fume afterheat distribute rationally and
It utilizes, improves applicability when system fluctuates user's thermic load, ensure that the stability of system operation.The technical program
In, only need a first circulation pump to drive the first heat transferring medium that First Heat Exchanger and the second heat exchanger can be made to be in work shape
State, the utility model structure is simple, and easily operated.
It is further preferred that the energy storage subsystem further include: the second heat exchanger, first circulation pump drive described the
One heat transferring medium successively circulates between the First Heat Exchanger, the energy-storage box and second heat exchanger；Work as user
When thermic load is low, the flue gas that the gas turbine electricity production subsystem comes out flows through the First Heat Exchanger and exchanges heat with described first
Enter the waste heat boiler after media for heat exchange cooling, first heat transferring medium after heating is followed by the energy-storage box and institute
State the second heat exchanger；When user's thermic load is high, water supply is conveyed to after forming steam by the second heat exchanger heat temperature raising
The heat user subsystem；
In the technical program, a first circulation pump is only needed to drive the first heat transferring medium that can make First Heat Exchanger and second
Heat exchanger is in working condition, and the utility model structure is simple, and easily operated.
It is further preferred that the energy storage subsystem further include: third heat exchanger, the second heat transferring medium and second circulation
Pump；The second circulation pump drives second heat transferring medium successively in the energy-storage box and the third heat exchanger recycle stream
It is dynamic；When user's thermic load is low, the flue gas that gas turbine electricity production subsystem comes out flow through the First Heat Exchanger and with institute
Enter the waste heat boiler after stating the heat exchange cooling of the first heat transferring medium, first heat transferring medium after heating flows through the energy storage
Case；When user's thermic load is high, water supply is conveyed to the heat user after forming steam by the third heat exchanger heat temperature raising
Subsystem.
In the technical program, first circulation pump drives the first heat transferring medium successively in energy-storage box and First Heat Exchanger recycle stream
The dynamic recycling for realizing fume afterheat；Second circulation pump drives the second heat transferring medium successively in energy-storage box and third heat exchanger recycle stream
Recycling that is dynamic and realizing the fume afterheat recycled by energy-storage box, two groups of heat exchangers separately run, do not interfere with each other.
It is further preferred that the energy-storage box outer surface is provided with insulating layer.
In the technical program, insulating layer can improve the heat insulation effect of energy-storage box, slow down the reduction of incubator temperature, reduce heat
Amount loss.
It is further preferred that the flue gas that the gas turbine electricity production subsystem comes out flows to the energy storage through triple valve respectively
Subsystem and the waste heat boiler；The energy storage subsystem is connected to the waste heat boiler by the first branch pipe, and described first
Pipe is provided with the first control valve；The energy storage subsystem is connected to the heat user subsystem by the second branch pipe, and described second
Branch pipe is provided with the second control valve；Flow sensor is provided on the pipeline of the heat user system；The flow sensor point
It is not connect with first control valve and second control valve.
In the technical program, flue gas flows through triple valve and the first control valve to control, what energy storage subsystem generated
Steam flows through the second control valve to control；And then real-time monitoring flow value is used to by flow sensor and is realized to the
The control of the opening and closing of one control valve and the second control valve so that system according to user's thermic load fluctuation adjust in time it is corresponding
The method of operation, realizes that system is automatic and intelligent control.
It is further preferred that further include: control system, the control system respectively with the flow sensor, described
One control valve is connected with second control valve；The control system obtains the measured discharge value of the flow sensor monitoring；
The control system judges whether the measured discharge value is greater than preset flow value；When the measured discharge value is less than described preset
When flow value, the control system adjusts the flue gas flow direction institute that the triple valve comes out the gas turbine electricity production subsystem
State energy storage subsystem；First control valve is opened, second control valve is closed；Start the energy storage subsystem；When described
When measured discharge value is greater than the preset flow value, the control system adjusts the triple valve and the gas turbine is produced electricity
Waste heat boiler described in the flue gas flow direction that subsystem comes out closes first control valve, opens second control valve；Starting institute
State energy storage subsystem；When the measured discharge value is equal to the preset flow value, the control system adjusts the triple valve
So that waste heat boiler described in the flue gas flow direction that the gas turbine electricity production subsystem comes out, closes first control valve, closes
Second control valve；Close the energy storage subsystem.
In the technical program, pair of measured discharge value and preset flow value that control system is monitored by flow sensor
Than, and then judge that the heat load adjustment system of gas turbine cogeneration of heat and power should be under any operating condition, and then make corresponding
Adjustment.The utility model realizes automatic operating, eliminates artificial judgement and operation, saves human cost and system
Maintenance cost.
A kind of heat load adjustment system of gas turbine cogeneration of heat and power provided by the utility model, can bring it is following at least
It is a kind of the utility model has the advantages that
1, the utility model is directed to electric load and the unmatched situation of thermic load, by three kinds of operating conditions of setting to adapt to user
Thermic load switches the different methods of operation when fluctuating in time, realizes to be in always in gas turbine electricity production subsystem and transport at full capacity
In the case where turning, while meeting the needs of heat user subsystem is to thermic load.Since gas turbine electricity production subsystem is in always
Running at full capacity is frequently adjusted without the load to gas turbine electricity production subsystem, so that gas turbine electricity production subsystem operation
Stability it is higher；The subsystem of gas turbine electricity production simultaneously maintains highest generating efficiency, improves gas turbine electricity production subsystem
The economic benefit of system.
2, the utility model is equipped with energy storage subsystem, and when heat user subsystem thermic load is low, gas turbine produces electricity subsystem
The flue gas that system comes out flows through energy storage subsystem and exchanges heat with energy storage subsystem；When heat user subsystem thermic load is high, water supply is logical
It crosses after energy storage subsystem is heated into steam and is conveyed to heat user subsystem；Energy storage subsystem plays the role of recycling heat, section
The about energy.
3, in the utility model, when measured discharge value is greater than preset flow value, gas turbine produces electricity what subsystem came out
Flue gas flow direction waste heat boiler, water supply pass through waste heat boiler respectively and energy storage subsystem be heated into steam after be conveyed to heat user jointly
Subsystem；Since gas turbine electricity production subsystem keeps running at full capacity, water supply is heated into the flow of steam by waste heat boiler
Value is basically unchanged；Control system obtains the difference of measured discharge value and preset flow value to set the aperture of the second control valve, makes
Obtaining the steam stream magnitude that water supply is heated by energy storage subsystem can be accurately controlled, and meet the thermic load need of heat user subsystem
It asks.
Detailed description of the invention
Below by clearly understandable mode, preferred embodiment is described with reference to the drawings, to gas turbine cogeneration of heat and power
Above-mentioned characteristic, technical characteristic, advantage and its implementation of heat load adjustment system are further described.
Fig. 1 is a kind of structural representation of embodiment of the heat load adjustment system of the utility model gas turbine cogeneration of heat and power
Figure；
Fig. 2 is the operation schematic diagram of the heat load adjustment system of gas turbine cogeneration of heat and power when user's thermic load is low；
Fig. 3 is the operation schematic diagram of the heat load adjustment system of gas turbine cogeneration of heat and power when user's thermic load is high；
The operation schematic diagram of the heat load adjustment system of gas turbine cogeneration of heat and power when Fig. 4 is user's heat load balance.
Drawing reference numeral explanation:
1. gas turbine produces electricity subsystem；2. waste heat boiler；3. energy storage subsystem；31. First Heat Exchanger；32. energy-storage box；
33. first circulation pumps；34. the first control valve；35. the second control valve；36. triple valve；4. gas-distributing cylinder.
Specific embodiment
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, attached drawing will be compareed below
Illustrate specific embodiment of the present utility model.It should be evident that the accompanying drawings in the following description is only the one of the utility model
A little embodiments for those of ordinary skill in the art without creative efforts, can also be according to these
Attached drawing obtains other attached drawings, and obtains other embodiments.
To make simplified form, part relevant to the utility model is only schematically shown in each figure, they are simultaneously
Its practical structures as product is not represented.In addition, so that simplified form is easy to understand, have in some figures identical structure or
The component of function, only symbolically depicts one of those, or has only marked one of those.Herein, "one" is not
It only indicates " only this ", can also indicate the situation of " more than one ".
Herein, it should be noted that unless otherwise clearly defined and limited, term " installation ", " connects " connected "
Connect " it shall be understood in a broad sense, for example, it may be being fixedly connected, it may be a detachable connection, or be integrally connected；It can be machine
Tool connection, is also possible to be electrically connected；It can be directly connected, two members can also be can be indirectly connected through an intermediary
Connection inside part.For the ordinary skill in the art, it can understand that above-mentioned term is practical new at this with concrete condition
Concrete meaning in type.
In example 1, as shown in Figs 1-4, a kind of heat load adjustment system of gas turbine cogeneration of heat and power, comprising: combustion
Gas-turbine cogeneration of heat and power subsystem, energy storage subsystem 3, heat user subsystem；Gas turbine heat Electricity Federation produce surviving of son system includes successively
The gas turbine electricity production subsystem 1 and waste heat boiler 2 of setting；When user's thermic load is low, gas turbine produces electricity subsystem 1, storage
Energy subsystem 3 and waste heat boiler 2 are sequentially connected in series；Gas turbine electricity production subsystem 1 come out flue gas flow through energy storage subsystem 3 and with
Energy storage subsystem 3 flows to waste heat boiler 2 after exchanging heat；Water supply is conveyed to heat user subsystem after being heated into steam by waste heat boiler 2
System；When user's thermic load is high, gas turbine electricity production subsystem 1 is connected with waste heat boiler 2；Gas turbine electricity production subsystem 1 goes out
The flue gas flow direction waste heat boiler 2 come；Water supply pass through waste heat boiler 2 respectively and energy storage subsystem 3 be heated into steam after convey jointly
Give heat user subsystem；When user's heat load balance, gas turbine electricity production subsystem 1 is connected with waste heat boiler 2；Gas turbine
Produce electricity the flue gas flow direction waste heat boiler 2 that subsystem 1 comes out；Energy storage subsystem 3 is closed；Water supply is heated into steaming by waste heat boiler 2
Heat user subsystem is conveyed to after vapour.
In practical applications, gas turbine includes compressor, combustion chamber and combustion gas turbine.Compressor is from ambient atmosphere ring
Border sucking air simultaneously is allowed to be pressurized by axial-flow compressor step by step compression；Compressed air is pressed to the combustion of combustion chamber and penetrating
Material is mixed and burned the gas for generating high temperature and pressure；Then expansion work in turbine is entered back into.Compressor is swollen by combustion gas turbine
Swollen acting is come what is driven, and the mechanical work that turbine issues has 2/3 or so to be used to drive compressor, remaining 1/3 or so mechanical work
For driven generator.Therefore gas turbine mechanical work in underload is used to drive compressor substantially, and generating efficiency is very low.This
Utility model sets three kinds of operating conditions, switches the different methods of operation in the fluctuation of user's thermic load, in order to realize in combustion gas
In the case that turbine electricity production subsystem 1 is in running at full capacity always, while meeting the needs of heat user subsystem is to thermic load.
Both the economy of gas turbine heat Electricity Federation produce surviving of son system had been improved, has in turn avoided frequently adjusting gas turbine heat Electricity Federation produce surviving of son system
Load.
In example 2, as shown in Figs 1-4, on the basis of example 1, energy storage subsystem 3 includes: the first heat exchange
Device 31, the first heat transferring medium, energy-storage box 32, first circulation pump 33；First circulation pump 33 drives the first heat transferring mediums successively in the
One heat exchanger 31 and energy-storage box 32 circulate；When user's thermic load is low, gas turbine produces electricity the flue gas stream that subsystem 1 comes out
Through First Heat Exchanger 31 and with enter waste heat boiler 2, the first heat exchanging medium flow after heating after the heat exchange cooling of the first heat transferring medium
Through energy-storage box 32；When user's thermic load is high, water supply is formed after steam by 32 heat temperature raising of energy-storage box is conveyed to heat user
System.Further, 32 outer surface of energy-storage box is provided with insulating layer.
In the present embodiment, energy storage subsystem 3 is provided with energy-storage box 32, and energy-storage box 32 is used to store heat transferring medium, energy-storage box
32 size can specifically be set according to actual needs.When user's thermic load is low, gas turbine produces electricity the cigarette that subsystem 1 comes out
Air-flow exchanges heat through First Heat Exchanger 31 and with the first heat transferring medium, and the first heat transferring medium after heating flows through energy-storage box 32；When with
When family thermic load is high, water supply is conveyed to heat user subsystem after forming steam by 32 heat temperature raising of energy-storage box.Insulating layer can mention
The heat insulation effect of high energy-storage box 32 slows down the reduction of incubator temperature, reduces thermal loss.
In the third embodiment, as shown in Figs 1-4, on the basis of example 2, energy storage subsystem 3 further include: second changes
Hot device, first circulation pump 33 drive the first heat transferring medium successively between First Heat Exchanger 31, energy-storage box 32 and the second heat exchanger
It circulates；When user's thermic load is low, the flue gas that gas turbine electricity production subsystem 1 comes out flows through First Heat Exchanger and with first
Enter waste heat boiler 2 after heat transferring medium heat exchange cooling, the first heat transferring medium after heating changes followed by energy-storage box 32 and second
Hot device；When user's thermic load is high, water supply is conveyed to heat user subsystem after forming steam by the second heat exchanger heat temperature raising.
The quantity of First Heat Exchanger 31, the second heat exchanger and first circulation pump 33 is two in the present embodiment, normally
The next operation one of situation is spare, guarantees the safety of operation.
In example IV, as shown in Figs 1-4, on the basis of example 2, energy storage subsystem 3 further include: third is changed
Hot device, the second heat transferring medium and second circulation pump；Second circulation pump drives the second heat transferring medium successively in energy-storage box 32 and third
Heat exchanger circulates；When user's thermic load is low, the flue gas that gas turbine electricity production subsystem 1 comes out flows through First Heat Exchanger 31
And entering waste heat boiler 2 after cooling down with the heat exchange of the first heat transferring medium, the first heat transferring medium after heating flows through energy-storage box 32；When with
When family thermic load is high, water supply is conveyed to heat user subsystem after forming steam by third heat exchanger heat temperature raising.
In the present embodiment, 33 the first heat transferring medium of drive of first circulation pump is successively followed in energy-storage box 32 and First Heat Exchanger 31
Circulation is dynamic；Second circulation pump drives the second heat transferring medium successively to circulate in energy-storage box 32 and third heat exchanger, two groups of heat exchange
Device is separately run, and is not interfere with each other, and the influence between two groups of heat exchangers is reduced.First Heat Exchanger 31, third are changed in the present embodiment
The quantity of hot device, first circulation pump 33 and second circulation pump is two, and normal condition lower operation one is spare, guarantees fortune
Capable safety.
In embodiment five, as shown in Figs 1-4, on the basis of embodiment one, two, three or four, gas turbine electricity production
The flue gas that system 1 comes out flows to energy storage subsystem 3 and waste heat boiler 2 through triple valve 36 respectively；Energy storage subsystem 3 and waste heat boiler
2 are connected to by the first branch pipe, and the first branch pipe is provided with the first control valve 34；Energy storage subsystem 3 and heat user subsystem pass through the
The connection of two branch pipes, the second branch pipe are provided with the second control valve 35；Flow sensor is provided on the pipeline of heat user system；Flow
Sensor is connect with the first control valve 34 and the second control valve 35 respectively.
In the present embodiment, flue gas flows through triple valve 36 and the first control valve 34 to control, and energy storage subsystem 3 generates
Steam flow through the second control valve 35 to control；Flow sensor is used to monitor real-time flow data.Heat user system
Gas-distributing cylinder, the different heat user pipeline of the connection of gas-distributing cylinder are additionally provided on pipeline, steam passes through by entering after flow sensor
Gas-distributing cylinder, the steam in gas-distributing cylinder give different heat users by different heat user pipelines.
In embodiment six, as shown in Figs 1-4, on the basis of embodiment one, two, three, four or five, gas turbine thermoelectricity
The heat load adjustment system of coproduction, further includes: control system, control system respectively with flow sensor, the first control valve 34 and
The connection of second control valve 35；Control system obtains the measured discharge value of flow sensor monitoring；Control system judges measured discharge
Whether value is greater than preset flow value；When measured discharge value is less than preset flow value, control system regulating three-way valve 36 to fire
Gas-turbine produces electricity the flue gas flow direction energy storage subsystem 3 that subsystem 1 comes out；The first control valve 34 is opened, the second control valve 35 is closed；
Start energy storage subsystem 3；When measured discharge value is greater than preset flow value, control system regulating three-way valve 36 makes gas turbine
The flue gas flow direction waste heat boiler 2 that subsystem 1 comes out is produced electricity, the first control valve 34 is closed, opens the second control valve 35；Start energy storage
Subsystem 3；When measured discharge value is equal to preset flow value, control system regulating three-way valve 36 makes gas turbine produce electricity subsystem
The flue gas flow direction waste heat boiler 2 that system 1 comes out closes the first control valve 34, closes the second control valve 35；Close energy storage subsystem 3.
In the present embodiment, the comparison of measured discharge value and preset flow value that control system is monitored by flow sensor,
And then judge that the heat load adjustment system of gas turbine cogeneration of heat and power should be under any operating condition, and then make corresponding tune
It is whole.The utility model realizes automatic operating, eliminates artificial judgement and operation, saves human cost, improve and set
The safety of received shipment row.
It should be noted that above-described embodiment can be freely combined as needed.The above is only the utility model
Preferred embodiment, it is noted that for those skilled in the art, do not departing from the utility model principle
Under the premise of, several improvements and modifications can also be made, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (7)
1. a kind of heat load adjustment system of gas turbine cogeneration of heat and power characterized by comprising
Gas turbine heat Electricity Federation produce surviving of son system, energy storage subsystem, heat user subsystem；
The gas turbine heat Electricity Federation produce surviving of son system includes the gas turbine electricity production subsystem and waste heat boiler set gradually；
When user's thermic load is low, the gas turbine electricity production subsystem, the energy storage subsystem and the waste heat boiler are successively
Series connection；The flue gas that the gas turbine electricity production subsystem comes out flows through the energy storage subsystem and exchanges heat with the energy storage subsystem
After flow to the waste heat boiler；Water supply is heated into after steam by the waste heat boiler and is conveyed to the heat user subsystem；
When user's thermic load is high, the gas turbine electricity production subsystem is connected with the waste heat boiler；The gas turbine produces
Waste heat boiler described in the flue gas flow direction that electronic system comes out；Water supply is added by the waste heat boiler and the energy storage subsystem respectively
Heat at being conveyed to the heat user subsystem jointly after steam；
When user's heat load balance, the gas turbine electricity production subsystem is connected with the waste heat boiler；The gas turbine
Produce electricity waste heat boiler described in the flue gas flow direction that subsystem comes out；The energy storage subsystem is closed；Water supply passes through the waste heat boiler
The heat user subsystem is conveyed to after being heated into steam.
2. the heat load adjustment system of gas turbine cogeneration of heat and power according to claim 1, which is characterized in that
The energy storage subsystem includes: First Heat Exchanger, the first heat transferring medium, energy-storage box, first circulation pump；
The first circulation pump drives first heat transferring medium successively in the First Heat Exchanger and the energy-storage box recycle stream
It is dynamic；
When user's thermic load is low, the flue gas that gas turbine electricity production subsystem comes out flow through the First Heat Exchanger and with institute
Enter the waste heat boiler after stating the heat exchange cooling of the first heat transferring medium, first heat transferring medium after heating flows through the energy storage
Case；
When user's thermic load is high, water supply is conveyed to the heat user subsystem after forming steam by the energy-storage box heat temperature raising
System.
3. the heat load adjustment system of gas turbine cogeneration of heat and power according to claim 2, which is characterized in that further include:
Second heat exchanger, the first circulation pump drive first heat transferring medium successively in the First Heat Exchanger, the storage
It can be circulated between case and second heat exchanger；
When user's thermic load is low, the flue gas that gas turbine electricity production subsystem comes out flow through the First Heat Exchanger and with institute
Enter the waste heat boiler after stating the heat exchange cooling of the first heat transferring medium, first heat transferring medium after heating is followed by described
Energy-storage box and second heat exchanger；
When user's thermic load is high, water supply is conveyed to the heat user after forming steam by the second heat exchanger heat temperature raising
Subsystem.
4. the heat load adjustment system of gas turbine cogeneration of heat and power according to claim 2, which is characterized in that further include:
Third heat exchanger, the second heat transferring medium and second circulation pump；Second circulation pump drive second heat transferring medium according to
It is circulated inferior to the energy-storage box and the third heat exchanger；
When user's thermic load is low, the flue gas that gas turbine electricity production subsystem comes out flow through the First Heat Exchanger and with institute
Enter the waste heat boiler after stating the heat exchange cooling of the first heat transferring medium, first heat transferring medium after heating flows through the energy storage
Case；
When user's thermic load is high, water supply is conveyed to the heat user after forming steam by the third heat exchanger heat temperature raising
Subsystem.
5. the heat load adjustment system of gas turbine cogeneration of heat and power according to claim 2, it is characterised in that:
The energy-storage box outer surface is provided with insulating layer.
6. the heat load adjustment system of gas turbine cogeneration of heat and power described in -5 any one, feature exist according to claim 1
In:
The flue gas that the gas turbine electricity production subsystem comes out flows to the energy storage subsystem and the waste heat through triple valve respectively
Boiler；
The energy storage subsystem is connected to the waste heat boiler by the first branch pipe, and first branch pipe is provided with the first control
Valve；
The energy storage subsystem is connected to the heat user subsystem by the second branch pipe, and second branch pipe is provided with the second control
Valve processed；
Flow sensor is provided on the pipeline of the heat user system；
The flow sensor is connect with first control valve and second control valve respectively.
7. the heat load adjustment system of gas turbine cogeneration of heat and power according to claim 6, which is characterized in that further include:
Control system, the control system respectively with the flow sensor, first control valve and second control valve
Connection；
The control system obtains the measured discharge value of the flow sensor monitoring；
The control system judges whether the measured discharge value is greater than preset flow value；
When the measured discharge value is less than the preset flow value, the control system adjusts the triple valve and makes the combustion
Gas-turbine produces electricity energy storage subsystem described in the flue gas flow direction that subsystem comes out；First control valve is opened, closes described second
Control valve；Start the energy storage subsystem；
When the measured discharge value is greater than the preset flow value, the control system adjusts the triple valve and makes the combustion
Gas-turbine produces electricity waste heat boiler described in the flue gas flow direction that subsystem comes out, and closes first control valve, opens second control
Valve processed；Start the energy storage subsystem；
When the measured discharge value is equal to the preset flow value, the control system adjusts the triple valve and makes the combustion
Gas-turbine produces electricity waste heat boiler described in the flue gas flow direction that subsystem comes out, and closes first control valve, closes second control
Valve processed；Close the energy storage subsystem.
Priority Applications (1)
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108644859A (en) * | 2018-07-17 | 2018-10-12 | 上海力顺燃机科技有限公司 | A kind of the heat load adjustment system and its control method of gas turbine cogeneration of heat and power |
| CN109990363A (en) * | 2019-04-09 | 2019-07-09 | 福州怡辉电力设备有限公司 | The multi-user's industry steam-supplying system and adjusting method of vapour are matched in user terminal accumulation of energy |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108644859A (en) * | 2018-07-17 | 2018-10-12 | 上海力顺燃机科技有限公司 | A kind of the heat load adjustment system and its control method of gas turbine cogeneration of heat and power |
| CN109990363A (en) * | 2019-04-09 | 2019-07-09 | 福州怡辉电力设备有限公司 | The multi-user's industry steam-supplying system and adjusting method of vapour are matched in user terminal accumulation of energy |
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