CN206386988U - Solid electric heat-storage device coordinates absorption heat pump depth peak regulation system - Google Patents
Solid electric heat-storage device coordinates absorption heat pump depth peak regulation system Download PDFInfo
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- CN206386988U CN206386988U CN201720093719.3U CN201720093719U CN206386988U CN 206386988 U CN206386988 U CN 206386988U CN 201720093719 U CN201720093719 U CN 201720093719U CN 206386988 U CN206386988 U CN 206386988U
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Abstract
The utility model provides a kind of solid electric heat-storage device and coordinates absorption heat pump depth peak regulation system, including main electrical scheme system, electric heat storage system, heat supply network circulation, bleeder steam system, electric heat storage system increases an interval newly on power plant's outlet bus, it is connected with step-down transformer, the step-down transformer other end is connected with electric heat-storage device power supply buses, and one or more electric heat-storage devices are connected on electric accumulation of heat bus；Lateral is set in the water supply side ducts of heat supply network circulation, is connected with the electric heat-storage device；Heat supply network circulation sets heat pump to carry out one-level heating to recirculated water.The electric heat storage boiler of solid and absorption heat pump technology are combined, realize power generation and heating power production is mutually auxiliary runs, be obviously improved the online peak modulation capacity of thermoelectricity unit, can effectively alleviate regenerative resource and dissolve predicament, energy cascade utilization can be realized simultaneously, it is ensured that municipal heat capacity.
Description
Technical field
The utility model is related to power peak regulation field, more particularly to thermal power generation unit utilizes solid electric heat-storage device and suction
Receipts formula heat pump depth peak regulation system.
Background technology
In recent years, it is rich in China three northern areas of China electricity market capacity, combustion engine, water-storage etc. can peaking power source it is rare,
It is particularly thorny between peak load regulation network and fired power generating unit flexibility, power network dissolve the new energy such as wind-powered electricity generation, photoelectricity and nuclear power ability not
Foot, abandoning wind, to abandon optical phenomenon serious；And cogeneration units are run using " electricity determining by heat " mode, peak modulation capacity is only 10% or so,
Peak regulation difficulty has become current operation of power networks distinct issues the most.If the lance between peak load regulation network and fired power generating unit heat supply
Shield processing is bad, may influence resident's heat supply in winter safety, the relation people's livelihood.In order to meet peaking demand of power grid, and power plant exists
Living necessities in keen competition, depth peak regulation is imperative.
The Chinese patent of Application No. 201520183594.4, discloses a kind of UTILIZATION OF VESIDUAL HEAT IN heating with peak regulating function
Device, including solidifying machine, absorption heat pump, condenser, flow valve, heat-accumulator tank, pump and heat exchangers for district heating are taken out, take out the end of drawing gas of solidifying machine
Mouth is connected with the driving heat source import of absorption heat pump, and the outlet of the condenser and the UTILIZATION OF VESIDUAL HEAT IN import of absorption heat pump connect
Connect, the high temperature side water feed inlet of heat exchangers for district heating and equal and absorption heat pump the heat supply water outlet port connection of the entrance of flow valve,
The hot water mouth of the outlet of flow valve and heat-accumulator tank is connected, and the cold water outlet of the heat-accumulator tank and the entrance of pump are connected, the outlet of pump and
The high temperature side backwater end of heat exchangers for district heating is connected with the high temperature side backwater port of absorption heat pump.Patent utilization heat-accumulator tank
The utilization rate to heat energy is added with absorption heat pump, but area of heat-supply service is limited, it is impossible to meet heat demand larger area residence
The heat demand of the people, the utilization to electric energy is also not abundant enough, it is impossible to reach the effect of depth peak regulation.
Utility model content
Solid electric heat-storage device has sufficiently large energy-storage system, can carry out energy storage at night, the period of low power consumption,
And heated, energized on daytime, this advantage solves the problem of heating and wind-powered electricity generation low ebb are dissolved simultaneously.Heat pump is to utilize height
Grade driven by energy realizes the equipment that heat is conveyed from low temperature to high temperature, and absorption heat pump technology can recycle industrial production
In a large amount of low-grade exhaust heats, and its conventional working medium（That is lithium bromide/water, ammonia water）There is no destruction to environment, be a kind of
Energy-conserving and environment-protective technology.Based on above feature, absorption heat pump is applied reclaims exhaust steam in steam turbine waste heat for concentrating confession in steam power plant
Heat has significant economic benefit, social benefit.
In order to meet peaking demand of power grid, improve the flexibility of fired power generating unit, and solve to presently, there are larger abandon wind
The problem of abandoning optical phenomenon, the utility model combines the electric heat storage boiler of solid and absorption heat pump technology, realizes that electric power is given birth to
Production and the mutually auxiliary operation of heating power production, are obviously improved the online peak modulation capacity of thermoelectricity unit, can effectively alleviate regenerative resource and disappear
Predicament is received, while energy cascade utilization can be realized, it is ensured that municipal heat capacity.
The utility model solves the technical scheme that is used of aforementioned technical problem：A kind of solid electric heat-storage device, which coordinates, inhales
Receipts formula heat pump depth peak regulation system, including main electrical scheme system, electric heat storage system, heat supply network circulation, bleeder steam system,
Electric heat storage system increases an interval newly on power plant's outlet bus, is connected with step-down transformer, the step-down transformer other end and electricity
Regenerative apparatus power supply buses are connected, and one or more electric heat-storage devices are connected on electric accumulation of heat bus；In heat supply network circulation
Water supply side ducts set lateral, be connected with the electric heat-storage device；Heat supply network circulation sets heat pump to recirculated water
Carry out one-level heating.
Preferably, the electric heat-storage device includes solid type electric heat-storage device.
Any of the above-described scheme is preferably, and the solid type electric heat-storage device includes the electric heat storage boiler of solid type.
Any of the above-described scheme is preferably, and the electric heat-storage device is according to the supporting setting GIS switchgears of actual requirement of engineering
Or bus switchgear.
Any of the above-described scheme is preferably, 10 ~ 66kV of the solid type electric heat-storage device voltage class ranges.
Any of the above-described scheme is preferably, 10 ~ 100MW of the solid type electric heat-storage device power bracket.
Any of the above-described scheme is preferably, increase newly between interval, step-down transformer, GIS switchgears, electric heat-storage device according to
Actual requirement of engineering uses steel-cored aluminium strand or cable connection.
Any of the above-described scheme is preferably, the heat supply network circulation include heat supply network water supply line, heat supply network water return pipeline,
Pumps for hot water supply net, heat pump, heat exchangers for district heating, valve and its connecting pipe.
Any of the above-described scheme is preferably, and the heat pump includes steam type absorption heat pump.
Any of the above-described scheme is preferably, and heat supply network circulating water system water supply side ducts set lateral and the electric accumulation of heat
Device is connected, and the water flowed back by heat user end heat supply network water return pipeline is pressurized by pumps for hot water supply net, is flowed through after the heating of heat pump one-level,
Part or all of recirculated water enters heat exchangers for district heating and carries out two grades of heating, and recirculated water is conveyed directly through heat supply network water supply line afterwards
To user, or after the part or all of progress three-level heating into electric heat-storage device user is conveyed to through heat supply network water supply line.
Any of the above-described scheme is preferably, the main electrical scheme system include the first generator, the second generator, transformer,
Power plant's outlet bus, the first outlet, the second outlet and connection power network.
Any of the above-described scheme is preferably, and the turbine steam extraction system includes steam turbine and turbine discharge pipeline.
Any of the above-described scheme is preferably, and a branch in the steam turbine steam outlet pipe road is connected with heat exchangers for district heating, defeated
Steam is sent to be heated for heat exchangers for district heating, another branch is connected with heat pump, and vapour source is provided for heat pump；Turbine discharge pipeline is set
On the gas pipeline that steam turbine is connected with heat pump.
Solid electricity accumulation of heat peak adjusting device have high voltage, it is high-power, can accumulation of heat the characteristics of, and solid electric heat-storage device has
Sufficiently large energy-storage system, can be at night, and the period of low power consumption carries out energy storage, and is heated, energized on daytime, this
One advantage solves the problem of heating and wind-powered electricity generation low ebb are dissolved simultaneously.Steam power plant is mainly steam type with absorption heat pump, mainly
Including evaporator, absorber, condenser, regenerator, heat exchanger etc., exhaust steam residual heat enters evaporator tube side, evaporator shell side
For negative pressure, the water as refrigerant of shell side absorbs the gasification latent heat waste heat of exhaust steam in heat transfer tube outer surface evaporation；Concentrated solution exists in absorber
Tube outer surface drop of conducting heat is drenched, and absorbs the refrigerant vapour gasification latent heat for carrying out flash-pot, and by the latent heat treatment in absorber tube
Hot net water, hot net water realize once heats up, at the same time, concentrated solution becomes weak solution in absorber, through over-heat-exchanger
Enter regenerator after heating；Driving heat source steam heats lithium-bromide solution in regenerator, and water vapour evaporation, lithium-bromide solution is changed into
Concentrated solution, concentrated solution is absorbed after heat exchanger into absorber；The refrigerant vapour evaporated in regenerator enters condenser
Hot net water in heating tube, realizes the secondary temperature elevation of hot net water, and refrigerant vapour is condensed into liquid refrigerant water and enters evaporator.So
Repeatedly, heat pump cycle is realized.
In the utility model, solid type electric heat-storage device also can be replaced liquid-type electric heat-storage device, form solid type electricity
Hold over system, liquid-type electric heat storage system or liquid-type and the electric accumulation of heat hybrid system of solid type.Solid type electric heat storage system bag
One or more solid type electric heat-storage devices and its connection power network are included, solid type electric heat storage system refers to using the electric accumulation of heat system of solid type
System carries out the equipment and system of depth peak regulation, mainly using the electric heat storage boiler of solid type as capital equipment, to wait solid to be used as accumulation of heat
Body carries out electric energy and heat energy conversion.Liquid-type electric heat storage system includes one or more liquid-type electric heat-storage devices and its connection electricity
Net, liquid-type electric heat storage system refer to only with liquid-type hot water hold over system carry out depth peak regulation equipment and system, mainly with
Electric pole type hot-water boiler is capital equipment, and electric energy and heat energy conversion are carried out using water as heat storage and working medium.Liquid-type and solid
Formula electricity accumulation of heat hybrid system includes liquid-type electric heat-storage device, solid type electric heat-storage device and its connection power network, and the system is used
The system that electric pole type hot water hold over system and solid type electric heat storage system are combined carries out depth peak regulation, the nucleus equipment of this system
For electric pole type hot-water boiler and the electric heat storage boiler of solid type.This system has mainly considered two kinds of respective advantages of electric boiler,
Electric pole type solid electricity heat storage boiler voltage change is smooth, impacts small to power network, and the electric heat storage boiler heat storage capacity of solid is big, takes up an area
The characteristics of area is small.
Electrical heating group is constituted using series-parallel system by multigroup resistance wire inside every sleeve solid electric heat-storage device at present, should
Electrical heating group is as start and stop unit Qi Tongting simultaneously, and start and stop capacity maximum can reach 100MW, and very big rush is caused to power network
Hit, influence the safe operation of power network.In view of this situation, this problem is solved using following several ways in the present invention.
1st, using slope boosting soft starter.The main composition of the soft starter be serially connected with power supply and electric heat-storage device it
Between three-phase inverse parallel high-pressure thyristor and its electronic control circuit.By controlling leading for its internal IGCT of soft-starter control
Current flow angle, makes electric heat-storage device input voltage be gradually increasing from zero with preset function relation, is started until being increased to after rated voltage
Terminate.The impact that electric heat-storage device accesses power network is reduced by the progressively pressure regulation of soft initiator.
2nd, using concatenation variable resistor reduced-voltage starting mode.Concatenated between power supply and solid electric heat-storage device a set of variable
Resistance starting cabinet, the variable resistor cabinet can be thermistor or liquid resistance.When solid electric heat-storage device accesses power network, press
Predetermined set resistance, the resistance of stepless control variable resistor, the proceed-to-send after resistance is close to 0, so that solid
The input voltage of electric heat-storage device is continuously increased, until rated voltage is reached, so as to avoid impact of the full voltage starting to power network.
The utility model combines solid electric heat-storage device and absorption heat pump technology, using absorption heat pump technology
The heat of exhaust steam in steam turbine is reclaimed, heat supply network recirculated water backwater is heated, heat is further heated using electric heat-storage device or Gateway Station in Heating Network
Net recirculated water, to city outer net heat supply.Energy cascade utilization is realized, municipal heat capacity has both been can guarantee that, the depth of power network is met again
Spend peak regulation.
The beneficial effects of the utility model are：
1）The characteristics of using electric heat-storage device energy-storage system and absorption heat pump UTILIZATION OF VESIDUAL HEAT IN, absorption heat pump UTILIZATION OF VESIDUAL HEAT IN
During unit depth peak regulation can be made up, the not enough heat of electric heat-storage device heat supply ensures resident's heat supply.Unit is in non-peak regulation on daytime
Period carries out combined heat and power heating, power supply, and this integrated application effectively increases heating capacity, expands heating area, solves simultaneously
Determine heating and the problem of wind-powered electricity generation low ebb is dissolved, improve the depth peak modulation capacity of fired power generating unit.
2）Electric thermal storage equipment as emergency power thermal source, can improve the reliability of heat supply.
3）Online space is provided for new energy to greatest extent, effectively alleviates regenerative resource and dissolves predicament.
4）With progressively implementing for the policies such as peak regulation service charge, time-of-use tariffs, with wide market development space.
5）Absorption heat pump reclaims exhaust steam in steam turbine waste heat, improves unit heat economy.
Brief description of the drawings
Fig. 1 is to coordinate the one excellent of absorption heat pump depth peak regulation system according to solid electric heat-storage device of the present utility model
Select the schematic diagram of embodiment.
Illustrate：
1- step-down transformers, 2- electricity accumulation of heat buses, 3- electric heat-storage devices, 4- heat supply network water supply lines, 5- heat supply network water return pipelines,
6- pumps for hot water supply net, 7- heat pumps, 8- heat exchangers for district heatings, 9- gas turbine exhaust gas pipelines, 10- valves, 11- steam turbines, 12- second is sent out
Motor, the generators of 13- first, the outlets of 14- first, the outlets of 15- second, 16- power plant outlet bus, 17- electric heat storage systems, 18-
Heat supply network circulation, 19- main electrical scheme systems, 20- turbine steam extraction systems.
Embodiment
In order to be further understood that the content of the invention of the present utility model, below in conjunction with specific embodiment to the utility model
It is described in more detail, embodiment only has exemplary effect to the utility model, without any restricted effect；
The insubstantial modifications that any those skilled in the art make on the basis of the utility model, should all belong to the utility model guarantor
The scope of shield.
Embodiment 1
As shown in figure 1, a kind of solid electric heat-storage device coordinates absorption heat pump depth peak regulation system, including main electrical scheme system
19th, electric heat storage system 17, heat supply network circulation 18, bleeder steam system 20, electric heat storage system 17 is in power plant's outlet bus
Increase an interval on 16 newly, be connected with step-down transformer 1, the other end of step-down transformer 1 connects with the power supply buses of electric heat-storage device 3
Connect, one or more electric heat-storage devices 3 are connected on electric accumulation of heat bus 2；Set in the water supply side ducts of heat supply network circulation 18
Lateral is put, is connected with the electric heat-storage device 3；Heat supply network circulation 18 sets heat pump 7 to add recirculated water progress one-level
Heat.
Preferably, the electric heat-storage device 3 includes solid type electric heat-storage device.
In the present embodiment, the solid type electric heat-storage device includes the electric heat storage boiler of solid type.
In the present embodiment, the electric heat-storage device 3 is according to the supporting setting GIS switchgears of actual requirement of engineering or bus-tie circuit breaker
Equipment.
In the present embodiment, 10 ~ 66kV of the solid type electric heat-storage device voltage class ranges.
In the present embodiment, 10 ~ 100MW of the solid type electric heat-storage device power bracket.
In the present embodiment, increase newly interval, between step-down transformer 1, GIS switchgears, electric heat-storage device 3 according to Practical Project
Need to use steel-cored aluminium strand or cable connection.
In the present embodiment, the heat supply network circulation includes heat supply network water supply line 4, heat supply network water return pipeline 5, heat supply network circulation
Pump 6, heat pump 7, heat exchangers for district heating 8, valve 10 and its connecting pipe.
In the present embodiment, the heat pump includes steam type absorption heat pump.
In the present embodiment, the water supply side ducts of heat supply network circulation 18 set lateral to connect with the electric heat-storage device 3
Connect, the water flowed back by heat user end heat supply network water return pipeline 5 is pressurized by pumps for hot water supply net 6, flow through after the heating of the one-level of heat pump 7, portion
Divide or whole recirculated waters enter heat exchangers for district heating 8 and carry out two grades of heating, during night low power consumption, electric heat-storage device energy storage is circulated
Water is conveyed to user directly through heat supply network water supply line 4.
In the present embodiment, the main electrical scheme system goes out including the first generator 13, the second generator 13, transformer, power plant
Line bus 16, the first outlet 14, the second outlet 15 and connection power network.
In the present embodiment, the turbine steam extraction system 20 includes steam turbine 11 and turbine discharge pipeline 9.
In the present embodiment, a branch in the steam outlet pipe road of steam turbine 11 is connected with heat exchangers for district heating 8, and conveying steam is
Heat exchangers for district heating 8 is heated, and another branch is connected with heat pump 7, is that heat pump 7 provides vapour source；Turbine discharge pipeline 9 is arranged on vapour
On the gas pipeline that turbine 11 is connected with heat pump 7.
Solid electricity accumulation of heat peak adjusting device have high voltage, it is high-power, can accumulation of heat the characteristics of, and solid electric heat-storage device has
Sufficiently large energy-storage system, can be at night, and the period of low power consumption carries out energy storage, and is heated, energized on daytime, this
One advantage solves the problem of heating and wind-powered electricity generation low ebb are dissolved simultaneously.Steam power plant is mainly steam type with absorption heat pump, mainly
Including evaporator, absorber, condenser, regenerator, heat exchanger etc., exhaust steam residual heat enters evaporator tube side, evaporator shell side
For negative pressure, the water as refrigerant of shell side absorbs the gasification latent heat waste heat of exhaust steam in heat transfer tube outer surface evaporation；Concentrated solution exists in absorber
Tube outer surface drop of conducting heat is drenched, and absorbs the refrigerant vapour gasification latent heat for carrying out flash-pot, and by the latent heat treatment in absorber tube
Hot net water, hot net water realize once heats up, at the same time, concentrated solution becomes weak solution in absorber, through over-heat-exchanger
Enter regenerator after heating；Driving heat source steam heats lithium-bromide solution in regenerator, and water vapour evaporation, lithium-bromide solution is changed into
Concentrated solution, concentrated solution is absorbed after heat exchanger into absorber；The refrigerant vapour evaporated in regenerator enters condenser
Hot net water in heating tube, realizes the secondary temperature elevation of hot net water, and refrigerant vapour is condensed into liquid refrigerant water and enters evaporator.So
Repeatedly, heat pump cycle is realized.
The utility model combines solid electric heat-storage device and absorption heat pump technology, using absorption heat pump technology
The heat of exhaust steam in steam turbine is reclaimed, heat supply network recirculated water backwater is heated, heat is further heated using electric heat-storage device or Gateway Station in Heating Network
Net recirculated water, to city outer net heat supply.Energy cascade utilization is realized, municipal heat capacity has both been can guarantee that, the depth of power network is met again
Spend peak regulation.
The beneficial effects of the utility model are：
1）The characteristics of using electric heat-storage device energy-storage system and absorption heat pump UTILIZATION OF VESIDUAL HEAT IN, absorption heat pump UTILIZATION OF VESIDUAL HEAT IN
During unit depth peak regulation can be made up, the not enough heat of electric heat-storage device heat supply ensures resident's heat supply.Unit is in non-peak regulation on daytime
Period carries out combined heat and power heating, power supply, and this integrated application effectively increases heating capacity, expands heating area, solves simultaneously
Determine heating and the problem of wind-powered electricity generation low ebb is dissolved, improve the depth peak modulation capacity of fired power generating unit.
2) electric thermal storage equipment as emergency power thermal source, can improve the reliability of heat supply.
3）Online space is provided for new energy to greatest extent, effectively alleviates regenerative resource and dissolves predicament.
4）With progressively implementing for the policies such as peak regulation service charge, time-of-use tariffs, with wide market development space.
5）Absorption heat pump reclaims exhaust steam in steam turbine waste heat, improves unit heat economy.
Embodiment 2
As shown in figure 1, a kind of solid electric heat-storage device coordinates absorption heat pump depth peak regulation system, including main electrical scheme system
19th, electric heat storage system 17, heat supply network circulation 18, bleeder steam system 20, electric heat storage system 17 is in power plant's outlet bus
Increase an interval on 16 newly, be connected with step-down transformer 1, the other end of step-down transformer 1 connects with the power supply buses of electric heat-storage device 3
Connect, one or more electric heat-storage devices 3 are connected on electric accumulation of heat bus 2；Set in the water supply side ducts of heat supply network circulation 18
Lateral is put, is connected with the electric heat-storage device 3；Heat supply network circulation 18 sets heat pump 7 to add recirculated water progress one-level
Heat.
In the present embodiment, the electric heat-storage device 3 includes solid type electric heat-storage device.
In the present embodiment, the solid type electric heat-storage device includes the electric heat storage boiler of solid type.
In the present embodiment, the electric heat-storage device 3 is according to the supporting setting GIS switchgears of actual requirement of engineering or bus-tie circuit breaker
Equipment.
In the present embodiment, 10 ~ 66kV of the solid type electric heat-storage device voltage class ranges.
In the present embodiment, 10 ~ 100MW of the solid type electric heat-storage device power bracket.
In the present embodiment, increase newly interval, between step-down transformer 1, GIS switchgears, electric heat-storage device 3 according to Practical Project
Need to use steel-cored aluminium strand or cable connection.
In the present embodiment, the heat supply network circulation includes heat supply network water supply line 4, heat supply network water return pipeline 5, heat supply network circulation
Pump 6, heat pump 7, heat exchangers for district heating 8, valve 10 and its connecting pipe.
In the present embodiment, the heat pump includes steam type absorption heat pump.
In the present embodiment, the water supply side ducts of heat supply network circulation 18 set lateral to connect with the electric heat-storage device 3
Connect, the water flowed back by heat user end heat supply network water return pipeline 5 is pressurized by pumps for hot water supply net 6, flow through after the heating of the one-level of heat pump 7, portion
Divide or whole recirculated waters enter heat exchangers for district heating 8 and carry out two grades of heating, when daytime, power consumption was big, electric heat-storage device 3 is energized, and is circulated
Water flows into electric heat-storage device 3 and carries out three-level heating, and heat supply network water supply line 4 is entered back into afterwards and is conveyed to user.
In the present embodiment, the main electrical scheme system goes out including the first generator 13, the second generator 13, transformer, power plant
Line bus 16, the first outlet 14, the second outlet 15 and connection power network.
In the present embodiment, the turbine steam extraction system 20 includes steam turbine 11 and turbine discharge pipeline 9.
In the present embodiment, a branch in the steam outlet pipe road of steam turbine 11 is connected with heat exchangers for district heating 8, and conveying steam is
Heat exchangers for district heating 8 is heated, and another branch is connected with heat pump 7, is that heat pump 7 provides vapour source；Turbine discharge pipeline 9 is arranged on vapour
On the gas pipeline that turbine 11 is connected with heat pump 7.
Solid electricity accumulation of heat peak adjusting device have high voltage, it is high-power, can accumulation of heat the characteristics of, and solid electric heat-storage device has
Sufficiently large energy-storage system, can be at night, and the period of low power consumption carries out energy storage, and is heated, energized on daytime, this
One advantage solves the problem of heating and wind-powered electricity generation low ebb are dissolved simultaneously.Steam power plant is mainly steam type with absorption heat pump, mainly
Including evaporator, absorber, condenser, regenerator, heat exchanger etc., exhaust steam residual heat enters evaporator tube side, evaporator shell side
For negative pressure, the water as refrigerant of shell side absorbs the gasification latent heat waste heat of exhaust steam in heat transfer tube outer surface evaporation；Concentrated solution exists in absorber
Tube outer surface drop of conducting heat is drenched, and absorbs the refrigerant vapour gasification latent heat for carrying out flash-pot, and by the latent heat treatment in absorber tube
Hot net water, hot net water realize once heats up, at the same time, concentrated solution becomes weak solution in absorber, through over-heat-exchanger
Enter regenerator after heating；Driving heat source steam heats lithium-bromide solution in regenerator, and water vapour evaporation, lithium-bromide solution is changed into
Concentrated solution, concentrated solution is absorbed after heat exchanger into absorber；The refrigerant vapour evaporated in regenerator enters condenser
Hot net water in heating tube, realizes the secondary temperature elevation of hot net water, and refrigerant vapour is condensed into liquid refrigerant water and enters evaporator.So
Repeatedly, heat pump cycle is realized.
The utility model combines solid electric heat-storage device and absorption heat pump technology, using absorption heat pump technology
The heat of exhaust steam in steam turbine is reclaimed, heat supply network recirculated water backwater is heated, heat is further heated using electric heat-storage device or Gateway Station in Heating Network
Net recirculated water, to city outer net heat supply.Energy cascade utilization is realized, municipal heat capacity has both been can guarantee that, the depth of power network is met again
Spend peak regulation.
The beneficial effects of the utility model are：
1）The characteristics of using electric heat-storage device energy-storage system and absorption heat pump UTILIZATION OF VESIDUAL HEAT IN, absorption heat pump UTILIZATION OF VESIDUAL HEAT IN
During unit depth peak regulation can be made up, the not enough heat of electric heat-storage device heat supply ensures resident's heat supply.Unit is in non-peak regulation on daytime
Period carries out combined heat and power heating, power supply, and this integrated application effectively increases heating capacity, expands heating area, solves simultaneously
Determine heating and the problem of wind-powered electricity generation low ebb is dissolved, improve the depth peak modulation capacity of fired power generating unit.
2) electric thermal storage equipment as emergency power thermal source, can improve the reliability of heat supply.
3）Online space is provided for new energy to greatest extent, effectively alleviates regenerative resource and dissolves predicament.
4）With progressively implementing for the policies such as peak regulation service charge, time-of-use tariffs, with wide market development space.
5）Absorption heat pump reclaims exhaust steam in steam turbine waste heat, improves unit heat economy.
Although the utility model, those skilled in the art have shown and described referring particularly to its preferred embodiment
It is appreciated that the various changes that can be made in form and details are new without departing from this practicality described in appended claims
The scope of type.It is described in detail above in association with specific embodiment of the utility model, but is not to limit of the present utility model
System.It is every according to technical spirit of the present utility model to any simple modification made for any of the above embodiments, still fall within this practicality
The scope of new technique scheme.
Claims (13)
1. a kind of solid electric heat-storage device coordinates absorption heat pump depth peak regulation system, including main electrical scheme system（19）, electric accumulation of heat
System（17）, heat supply network circulation（18）, bleeder steam system（20）, it is characterised in that：Electric heat storage system（17）In electricity
Factory's outlet bus（16）A upper newly-increased interval, with step-down transformer（1）Connection, step-down transformer（1）The other end and electric accumulation of heat
Device（3）Power supply buses are connected, one or more electric heat-storage devices（3）It is connected to electric accumulation of heat bus（2）On；In heat supply network recirculated water
System（18）Water supply side ducts set lateral, with the electric heat-storage device（3）Connection；Heat supply network circulation（18）If
Put heat pump（7）One-level heating is carried out to recirculated water.
2. solid electric heat-storage device as claimed in claim 1 coordinates absorption heat pump depth peak regulation system, it is characterised in that：
The electric heat-storage device（3）Including solid type electric heat-storage device.
3. solid electric heat-storage device as claimed in claim 2 coordinates absorption heat pump depth peak regulation system, it is characterised in that：
The solid type electric heat-storage device includes the electric heat storage boiler of solid type.
4. solid electric heat-storage device as claimed in claim 2 coordinates absorption heat pump depth peak regulation system, it is characterised in that：
The electric heat-storage device（3）According to the supporting setting GIS switchgears of actual requirement of engineering or bus switchgear.
5. solid electric heat-storage device as claimed in claim 2 coordinates absorption heat pump depth peak regulation system, it is characterised in that：
10 ~ 66kV of the solid type electric heat-storage device voltage class ranges.
6. solid electric heat-storage device as claimed in claim 2 coordinates absorption heat pump depth peak regulation system, it is characterised in that：
10 ~ 100MW of the solid type electric heat-storage device power bracket.
7. the solid electric heat-storage device of any one coordinates absorption heat pump depth peak regulation system as described in claim 1 ~ 6, its
It is characterised by：Newly-increased interval, step-down transformer（1）, GIS switchgears, electric heat-storage device（3）Between adopted according to actual requirement of engineering
With steel-cored aluminium strand or cable connection.
8. solid electric heat-storage device as claimed in claim 1 coordinates absorption heat pump depth peak regulation system, it is characterised in that：
The heat supply network circulation includes heat supply network water supply line（4）, heat supply network water return pipeline（5）, pumps for hot water supply net（6）, heat pump（7）、
Heat exchangers for district heating（8）, valve（10）And its connecting pipe.
9. solid electric heat-storage device as claimed in claim 8 coordinates absorption heat pump depth peak regulation system, it is characterised in that：
The heat pump includes steam type absorption heat pump.
10. solid electric heat-storage device as claimed in claim 8 coordinates absorption heat pump depth peak regulation system, it is characterised in that：
Heat supply network circulation（18）Water supply side ducts set lateral and the electric heat-storage device（3）Connection, by heat user end heat
Net water return pipeline（5）The water of backflow passes through pumps for hot water supply net（6）Supercharging, flows through heat pump（7）After one-level heating, partly or entirely follow
Ring water enters heat exchangers for district heating（8）Two grades of heating are carried out, recirculated water is directly through heat supply network water supply line afterwards（4）It is conveyed to use
Family, or partly or entirely enter electric heat-storage device（3）Carry out after three-level heating through heat supply network water supply line（4）It is conveyed to user.
11. solid electric heat-storage device as claimed in claim 1 coordinates absorption heat pump depth peak regulation system, it is characterised in that：
The main electrical scheme system includes the first generator（13）, the second generator（13）, transformer, power plant's outlet bus（116）, first
Outlet（14）, the second outlet（15）And connection power network.
12. solid electric heat-storage device as claimed in claim 1 coordinates absorption heat pump depth peak regulation system, it is characterised in that：
The turbine steam extraction system（20）Including steam turbine（11）With turbine discharge pipeline（9）.
13. solid electric heat-storage device as claimed in claim 12 coordinates absorption heat pump depth peak regulation system, its feature exists
In：The steam turbine（11）One branch in steam outlet pipe road and heat exchangers for district heating（8）Connection, conveying steam is heat exchangers for district heating
（8）Heating, another branch and heat pump（7）Connection, is heat pump（7）Vapour source is provided；Turbine discharge pipeline（9）It is arranged on steamer
Machine（11）With heat pump（7）On the gas pipeline of connection.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2016111694392 | 2016-12-16 | ||
| CN201611169439 | 2016-12-16 | ||
| CN2017200494049 | 2017-01-16 | ||
| CN201720049404 | 2017-01-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206386988U true CN206386988U (en) | 2017-08-08 |
Family
ID=59494998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720093719.3U Active CN206386988U (en) | 2016-12-16 | 2017-01-24 | Solid electric heat-storage device coordinates absorption heat pump depth peak regulation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206386988U (en) |
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2017
- 2017-01-24 CN CN201720093719.3U patent/CN206386988U/en active Active
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