CN209026792U - A kind of hot energy-accumulating power station cogeneration system having single tank regenerative apparatus for hot side - Google Patents
A kind of hot energy-accumulating power station cogeneration system having single tank regenerative apparatus for hot side Download PDFInfo
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Abstract
A kind of hot energy-accumulating power station cogeneration system having single tank regenerative apparatus for hot side, belong to hot technical field of energy storage, the prior art has will lead to system when power supply power supply or electric heating relevant device break down can not heat accumulation, the utility model includes cold storage tank, hot tank, generator, heat user group, cold storage tank, hot tank, cold medium pump, thermal medium pump, primary heater, secondary heater, low temperature electric tracing stick, high temperature electric tracing stick, power supply, fuel gas supply equipment, steam generator, first cylinder pressure, reheater, second cylinder pressure, generator, condenser, condensate pump, third heater, oxygen-eliminating device, feed pump, 4th heater, heat user group, for hot side energy storage device, cooling tower, hot water layer, mesolimnion and cold water layer, the utility model can be used to solve power supply power supply or event occurs in electric heating relevant device Will lead to when barrier system can not heat accumulation the problem of, the occurrence of can be widely applied to hot energy-accumulating power station system, reduce 70% disconnected heat.
Description
Technical field
The utility model relates to hot technical field of energy storage more particularly to a kind of hot energy-accumulating power station cogeneration systems.
Background technique
The document being disclosed at present, such as " independent fused salt accumulation of heat power station technology and its evaluation ", this document are that solution can be again
Intermittence, unstability and power grid " trough-electricity " problem of raw energy power generation, by the way that dump energy is switched to energy heats fused salt
And the advantage of heat accumulation, low-quality electric power is converted into generating high-quality electric power, realizes the consumption to dump energy, the fused salt hold over system
Including power supply, controller, hot salt cellar, cold salt cellar, power generation island and district heating system.
But the system is still not perfect, and there is also many deficiencies, such as:
If 1. power supply power supply or electric heating relevant device failure will lead to system can not heat accumulation, power generation and heat supply can
It can not be ensured by property.
2. if in power grid " low ebb " period heat accumulation, " peak " period heat release carries out cogeneration, the system configuration in document
The heat supply that can only maintain 8 hours power grid peak of power consumption periods, in 16 hours steam turbine generators of power grid " low ebb " and " flat " period
Group do not run can not heat supply, be unable to satisfy heating season 24 hours continual central heating demands or other forms heat user
Duration heat demand.
3. system heating form is single, it is only used for district heating system heat supply, is not needed in view of other forms with heat
It asks.
Summary of the invention
The utility model solves the problems, such as: power supply power supply or electric heating relevant device will lead to when breaking down system without
Method heat accumulation.
The utility model adopts the following technical solution realizes: a kind of hot energy-accumulating power station having single tank regenerative apparatus for hot side
Cogeneration system, the system include: energy-storage units, energy supply support Unit and supply unit；
The energy-storage units include: cold storage tank 1, hot tank 2, cold medium pump 3, thermal medium pump 4, primary heater 5, second
Heater 6, low temperature electric tracing stick 8, high temperature electric tracing stick 9, power supply 5-1 and fuel gas supply equipment 6-1；
The energy supply support Unit includes: steam generator 7, the first cylinder pressure 10, reheater 11, the second cylinder pressure 12, power generation
Machine 13, condenser 14, condensate pump 15, third heater 16, oxygen-eliminating device 17, feed pump 18 and the 4th heater 19；
The supply unit includes: heat user group 20, for hot side energy storage device 21, cooling tower 22, hot water layer 21-1, tiltedly temperature
Layer 21-2 and cold water layer 21-3；
The output end of the generator 13 is connect with the power input of the second cylinder pressure 12, the steam of second cylinder pressure 12
Input terminal is connect with the steam output end of reheater 11, and the steam input terminal of the reheater 11 and the steam of the first cylinder pressure 10 are defeated
Outlet connection, the steam input terminal of first cylinder pressure 10 are connect with the steam output end of steam generator 7, the first cylinder pressure 10
Steam output end is connect with an input terminal of the 4th heater 19, the steam output end of second cylinder pressure 12 respectively with third
The input terminal of heater 16, an input terminal of oxygen-eliminating device 17, the steam input terminal of condenser 14 and the input of heat user group 20
End connection, the output end of condenser 14 are connect with the input terminal of condensate pump 15, the output end and third heater 16 of condensate pump 15
Input terminal connection, the output end of third heater 16 connect with another input terminal of oxygen-eliminating device 17, the output of oxygen-eliminating device 17
End is connect with the input terminal of feed pump 18, and the output end of feed pump 18 is connect with another input terminal of the 4th heater 19, the
Four heaters, 19 output end is connect with an input terminal of steam generator 7；
The input terminal of the heat user group 20 and cooling tower 22 is connect with the output end of condenser 14 simultaneously, heat user group 20
It is connect simultaneously with the input terminal of condenser 14 with the output end of cooling tower 22；
The list tank mesolimnion heat-storing device 21 is connected in parallel with heat user group 20；
The power input of the primary heater 5 is connect with power supply 5-1, the energy input end of the secondary heater 6
It is connect with fuel gas supply equipment 6-1；The output end of the cold storage tank 1 is connect with the input terminal of cold medium pump 3, the cold medium pump
3 output end is connect with the input terminal of primary heater 5, and the output end of primary heater 5 and the output end of secondary heater 6 are same
When connect with the input terminal of hot tank 2, the output end of the hot tank 2 is connect with the input terminal of thermal medium pump 4, steam generation
Another input terminal of device 7 and the input terminal of reheater 11 are connect with the output end of thermal medium pump 4 simultaneously, steam generator 7
The output end of output end and reheater 11 is connect with the input terminal of cold storage tank 1 simultaneously.
Further, the primary heater 5 is electric heater.
Further, the secondary heater 6 is combustion heater.
Further, the third heater 16 is low-pressure heater.
Further, the 4th heater 19 is high-pressure heater.
Further, 20 input terminal of heat user group is equipped with the first regulating valve 23, and 20 output end of heat user group is set
There is the second regulating valve 23-1.
Further, the input terminal of the cooling tower 22 is equipped with the first isolating valve 24, and the output end of the cooling tower 22 is set
There is the second isolating valve 24-1.
Further, single tank mesolimnion heat-storing device 21 includes hot water layer 21-1, mesolimnion 21-2 and cold water layer 21-
3, the hot water layer 21-1 are placed in single 21 tank body top of tank mesolimnion heat-storing device, and the cold water layer 21-3 is placed in single tank mesolimnion
21 tank body lower part of heat-storing device, the mesolimnion 21-2 are placed between hot water layer 21-1 and cold water layer 21-3.
Further, the quantity of the heat user group 20 is equal with the quantity for hot side energy storage device 21.
Further, it is described for hot side energy storage device 21 be it is N number of, N is positive integer.
Further, first cylinder pressure 10 is high pressure cylinder.
Further, second cylinder pressure 12 is mesolow cylinder.
The utility model is had the following beneficial effects: compared with prior art when power supply power supply or electric heating relevant device go out
When existing failure, system can normal heat accumulation, the occurrence of reducing 70% disconnected heat.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model.
Specific embodiment
Specific embodiment 1: illustrating present embodiment below with reference to Fig. 1.Present embodiment, it is a kind of for hot side band
There is the hot energy-accumulating power station cogeneration system of single tank regenerative apparatus, it is characterised in that: the system includes: energy-storage units, energy supply guarantor
Hinder unit and supply unit；
The energy-storage units include: cold storage tank 1, hot tank 2, cold medium pump 3, thermal medium pump 4, primary heater 5, second
Heater 6, low temperature electric tracing stick 8, high temperature electric tracing stick 9, power supply 5-1 and fuel gas supply equipment 6-1；
The energy supply support Unit includes: steam generator 7, the first cylinder pressure 10, reheater 11, the second cylinder pressure 12, power generation
Machine 13, condenser 14, condensate pump 15, third heater 16, oxygen-eliminating device 17, feed pump 18 and the 4th heater 19；
The supply unit includes: heat user group 20, for hot side energy storage device 21, cooling tower 22, hot water layer 21-1, tiltedly temperature
Layer 21-2 and cold water layer 21-3；
The output end of the generator 13 is connect with the power input of the second cylinder pressure 12, the steam of second cylinder pressure 12
Input terminal is connect with the steam output end of reheater 11, and the steam input terminal of the reheater 11 and the steam of the first cylinder pressure 10 are defeated
Outlet connection, the steam input terminal of first cylinder pressure 10 are connect with the steam output end of steam generator 7, the first cylinder pressure 10
Steam output end is connect with an input terminal of the 4th heater 19, the steam output end of second cylinder pressure 12 respectively with third
The input terminal of heater 16, an input terminal of oxygen-eliminating device 17, the steam input terminal of condenser 14 and the input of heat user group 20
End connection, the output end of condenser 14 are connect with the input terminal of condensate pump 15, the output end and third heater 16 of condensate pump 15
Input terminal connection, the output end of third heater 16 connect with another input terminal of oxygen-eliminating device 17, the output of oxygen-eliminating device 17
End is connect with the input terminal of feed pump 18, and the output end of feed pump 18 is connect with another input terminal of the 4th heater 19, the
Four heaters, 19 output end is connect with an input terminal of steam generator 7；
The input terminal of the heat user group 20 and cooling tower 22 is connect with the output end of condenser 14 simultaneously, heat user group 20
It is connect simultaneously with the input terminal of condenser 14 with the output end of cooling tower 22；
The list tank mesolimnion heat-storing device 21 is connected in parallel with heat user group 20, the list tank mesolimnion heat-storing device 21
It is connect simultaneously with the output end of condenser 14 with the input terminal of heat user group 20, the list tank mesolimnion heat-storing device 21 is used with heat
The output end of family group 20 is connect with the input terminal of condenser 14 simultaneously.
The power input of the primary heater 5 is connect with power supply 5-1, the energy input end of the secondary heater 6
It is connect with fuel gas supply equipment 6-1；The output end of the cold storage tank 1 is connect with the input terminal of cold medium pump 3, the cold medium pump
3 output end is connect with the input terminal of primary heater 5, and the output end of primary heater 5 and the output end of secondary heater 6 are same
When connect with the input terminal of hot tank 2, the output end of the hot tank 2 is connect with the input terminal of thermal medium pump 4, steam generation
Another input terminal of device 7 and the input terminal of reheater 11 are connect with the output end of thermal medium pump 4 simultaneously, steam generator 7
The output end of output end and reheater 11 is connect with the input terminal of cold storage tank 1 simultaneously.
When power supply power supply or electric heating relevant device break down, it can be switched and use combustion heater 6, to ensure energy
The diversity in source is measured, ensures the reliability of power generation and heat supply.
By configuring in system heat supply end for hot side list tank regenerative apparatus 21, in energy-accumulating power station exothermic process, for hot side
Single tank regenerative apparatus 21 it is absorbable superfluous for thermal energy, be in the 16 small periods of " low ebb " and " flat " period in network load
Between, when Turbo-generator Set does not run no heat heat supply, heat is discharged for hot side list tank regenerative apparatus 10, it is ensured that meet user
Lasting uses heat demand.
By extracting the steam of different temperatures from Turbo-generator Set, each heat user endothermic temperature is adjusted to specified
Value, to guarantee the stable operation of each heat user.
By configuring heat-storage medium-steam reheater, enter low pressure after heating steam turbine high-pressure cylinder steam discharge with heat-storage medium
Cylinder, to promote steam turbine Rankine cycle efficiency.
It directly parallel connection access heat supply pipeline can be not necessarily to connect by heat exchanger for hot side list tank regenerative apparatus 21 by configuring
The system of simplifying has saved equipment investment, while saving accumulation of heat tank material and corresponding mating relative to double tank accumulation of heat list tank accumulation of heats
Pipeline is to reduce cost.
Cold and hot Media density difference natural layering principle is utilized using single tank mesolimnion regenerative apparatus 21, thermal medium is located at single
The sharp tank body of tank mesolimnion regenerative apparatus 21 top, the lower cold medium of temperature are located at tank body lower part, form boundary between cold and hot medium
Layer, referred to as " mesolimnion ".Heating water enters regenerative apparatus top hot water region when heat accumulation, and heat-accumulator tank lower part cold water is discharged into
Heat supply water return pipeline；The hot water in regenerative apparatus top hot water region enters heating water's pipeline when heat release, heat supply water return pipeline
Cold water enters heat-accumulator tank lower part cold water zones, benefit have: without heat exchanger can access heat supply pipeline directly in parallel simplify
System has saved equipment investment, at the same relative to double tank accumulation of heat list tank accumulation of heats save accumulation of heat tank material and corresponding supporting pipelines from
And reduce cost.Hot water density is low on tank body top, and cold water density height connects heat supply and return in tank body lower part, tank body lower part cold water side
Cold water after water and heat user heat exchange, tank body top hot water side connect heating water.
Specific embodiment 2: present embodiment is the further explanation to specific embodiment one, in present embodiment
The primary heater 5 is electric heater.
Specific embodiment 3: present embodiment is the further explanation to specific embodiment one, in present embodiment
The secondary heater 6 is combustion heater.
Specific embodiment 4: present embodiment is the further explanation to specific embodiment one, in present embodiment
The third heater 16 is low-pressure heater.
Specific embodiment 5: present embodiment is the further explanation to specific embodiment one, in present embodiment
4th heater 19 is high-pressure heater.
Specific embodiment 6: present embodiment is the further explanation to specific embodiment one, in present embodiment
20 input terminal of heat user group is equipped with the first regulating valve 23, and 20 output end of heat user group is equipped with the second regulating valve 23-1.
Specific embodiment 7: present embodiment is the further explanation to specific embodiment one, in present embodiment
The input terminal of the cooling tower 22 is equipped with the first isolating valve 24, and the output end of the cooling tower 22 is equipped with the second isolating valve 24-1.
Specific embodiment 8: present embodiment is the further explanation to specific embodiment one, in present embodiment
The quantity of the heat user group 20 is equal with the quantity for hot side energy storage device 21.
Specific embodiment 9: present embodiment is the further explanation to specific embodiment one, in present embodiment
It is described for hot side energy storage device 21 be it is N number of, N is positive integer.
Specific embodiment 10: present embodiment is the further explanation to specific embodiment one, in present embodiment
First cylinder pressure 10 is high pressure cylinder.
Specific embodiment 11: present embodiment is the further explanation to specific embodiment one, present embodiment
Described in the second cylinder pressure 12 be mesolow cylinder.
It should be noted that specific embodiment is only the explanation and illustration to technical solutions of the utility model, it cannot
Rights protection scope is limited with this.It is all to be changed according to the only part that the utility model claims book and specification are made
, it should fall into the protection scope of the utility model.
Claims (10)
1. a kind of hot energy-accumulating power station cogeneration system for having single tank regenerative apparatus for hot side, which is characterized in that the system packet
It includes: energy-storage units, energy supply support Unit and supply unit；
The energy-storage units include: cold storage tank (1), hot tank (2), cold medium pump (3), thermal medium pump (4), primary heater
(5), secondary heater (6), low temperature electric tracing stick (8), high temperature electric tracing stick (9), power supply (5-1) and fuel gas supply equipment (6-
1)；
The energy supply support Unit include: steam generator (7), the first cylinder pressure (10), reheater (11), the second cylinder pressure (12),
Generator (13), condenser (14), condensate pump (15), third heater (16), oxygen-eliminating device (17), feed pump (18) and the 4th add
Hot device (19)；
The supply unit includes: heat user group (20), single tank mesolimnion heat-storing device (21), cooling tower (22), hot water layer
(21-1), mesolimnion (21-2) and cold water layer (21-3)；
The output end of the generator (13) is connect with the power input of the second cylinder pressure (12), the steaming of second cylinder pressure (12)
Vapour input terminal is connect with the steam output end of reheater (11), the steam input terminal and the first cylinder pressure (10) of the reheater (11)
Steam output end connection, the steam input terminal of first cylinder pressure (10) connect with the steam output end of steam generator (7),
The steam output end of first cylinder pressure (10) is connect with an input terminal of the 4th heater (19), the steaming of second cylinder pressure (12)
Vapour output end respectively with the input terminal of third heater (16), an input terminal of oxygen-eliminating device (17), condenser (14) steam
Input terminal is connected with the input terminal of heat user group (20), and the output end of condenser (14) is connect with the input terminal of condensate pump (15),
The output end of condensate pump (15) is connect with the input terminal of third heater (16), the output end and oxygen-eliminating device of third heater (16)
(17) another input terminal connection, the output end of oxygen-eliminating device (17) are connect with the input terminal of feed pump (18), feed pump (18)
Output end connect with another input terminal of the 4th heater (19), the 4th heater (19) output end and steam generator
(7) input terminal connection；
The input terminal of the heat user group (20) and cooling tower (22) is connect with the output end of condenser (14) simultaneously, heat user group
(20) it is connect simultaneously with the input terminal of condenser (14) with the output end of cooling tower (22)；
The list tank mesolimnion heat-storing device (21) is connected in parallel with heat user group (20)；
The power input of the primary heater (5) is connect with power supply (5-1), the energy input of the secondary heater (6)
End is connect with fuel gas supply equipment (6-1)；The output end of the cold storage tank (1) is connect with the input terminal of cold medium pump (3), described
The output end of cold medium pump (3) is connect with the input terminal of primary heater (5), and the output end of primary heater (5) and second adds
The output end of hot device (6) is connect with the input terminal of hot tank (2) simultaneously, and the output end and thermal medium of the hot tank (2) pump
(4) input terminal connection, another input terminal of steam generator (7) and the input terminal of reheater (11) are pumped with thermal medium simultaneously
(4) output end connection, the output end of steam generator (7) and the output end of reheater (11) are defeated with cold storage tank (1) simultaneously
Enter end connection.
2. a kind of hot energy-accumulating power station cogeneration system that single tank regenerative apparatus is had for hot side according to claim 1,
It is characterized by: the primary heater (5) is electric heater.
3. a kind of hot energy-accumulating power station cogeneration system that single tank regenerative apparatus is had for hot side according to claim 1,
It is characterized by: the secondary heater (6) is combustion heater.
4. a kind of hot energy-accumulating power station cogeneration system that single tank regenerative apparatus is had for hot side according to claim 1,
It is characterized by: the third heater (16) is low-pressure heater.
5. a kind of hot energy-accumulating power station cogeneration system that single tank regenerative apparatus is had for hot side according to claim 1,
It is characterized by: the 4th heater (19) is high-pressure heater.
6. a kind of hot energy-accumulating power station cogeneration system that single tank regenerative apparatus is had for hot side according to claim 1,
It is characterized by: heat user group (20) input terminal is equipped with the first regulating valve (23), heat user group (20) output end is set
There is the second regulating valve (23-1).
7. a kind of hot energy-accumulating power station cogeneration system that single tank regenerative apparatus is had for hot side according to claim 1,
It is characterized by: the input terminal of the cooling tower (22) is equipped with the first isolating valve (24), the output end of the cooling tower (22) is set
There is the second isolating valve (24-1).
8. a kind of hot energy-accumulating power station cogeneration system that single tank regenerative apparatus is had for hot side according to claim 1,
It is characterized by: the list tank mesolimnion heat-storing device (21) includes hot water layer (21-1), mesolimnion (21-2) and cold water layer
(21-3), the hot water layer (21-1) are placed in single tank mesolimnion heat-storing device (21) tank body top, and the cold water layer (21-3) is set
In single tank mesolimnion heat-storing device (21) tank body lower part, the mesolimnion (21-2) is placed in hot water layer (21-1) and cold water layer (21-
3) between.
9. a kind of hot energy-accumulating power station cogeneration system that single tank regenerative apparatus is had for hot side according to claim 1,
It is characterized by: the quantity of the heat user group (20) is equal with the quantity of single tank mesolimnion heat-storing device (21).
10. a kind of hot energy-accumulating power station cogeneration system that single tank regenerative apparatus is had for hot side according to claim 9,
It is characterized by: it is described list tank mesolimnion heat-storing device (21) be it is N number of, N is positive integer.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821684471.9U CN209026792U (en) | 2018-10-17 | 2018-10-17 | A kind of hot energy-accumulating power station cogeneration system having single tank regenerative apparatus for hot side |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821684471.9U CN209026792U (en) | 2018-10-17 | 2018-10-17 | A kind of hot energy-accumulating power station cogeneration system having single tank regenerative apparatus for hot side |
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| CN209026792U true CN209026792U (en) | 2019-06-25 |
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ID=66906645
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109185855A (en) * | 2018-10-17 | 2019-01-11 | 中国船舶重工集团公司第七0三研究所 | A kind of hot energy-accumulating power station cogeneration system having single tank regenerative apparatus for hot side |
| CN111076160A (en) * | 2019-12-31 | 2020-04-28 | 浙江恒鑫电力有限公司 | Thermal power plant heat accumulation peak regulation system |
-
2018
- 2018-10-17 CN CN201821684471.9U patent/CN209026792U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109185855A (en) * | 2018-10-17 | 2019-01-11 | 中国船舶重工集团公司第七0三研究所 | A kind of hot energy-accumulating power station cogeneration system having single tank regenerative apparatus for hot side |
| CN111076160A (en) * | 2019-12-31 | 2020-04-28 | 浙江恒鑫电力有限公司 | Thermal power plant heat accumulation peak regulation system |
| CN111076160B (en) * | 2019-12-31 | 2020-07-31 | 浙江恒鑫电力有限公司 | Thermal power plant heat accumulation peak regulation system |
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