CN206129338U - Gas - steam combined cycle distributing type energy supply system - Google Patents
Gas - steam combined cycle distributing type energy supply system Download PDFInfo
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- CN206129338U CN206129338U CN201621154951.5U CN201621154951U CN206129338U CN 206129338 U CN206129338 U CN 206129338U CN 201621154951 U CN201621154951 U CN 201621154951U CN 206129338 U CN206129338 U CN 206129338U
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Abstract
The utility model discloses a distributing type energy supply system, especially a gas - steam combined cycle distributing type energy supply system belongs to gas distributed energy system technical field. This system links to each other with auxiliary steam header (5) and turbo generator set (13) respectively including filter (1), gas turbine power generation unit (2) and exhaust -heat boiler (3) connected in order, exhaust -heat boiler (3), and pump (12) is retrieved to turbo generator set (13), condensate pump (14), condensate water and condensed water tank (11) are connected in order. The one end of steam water heat exchanger (6) and lithium bromide unit (7) all is connected with auxiliary steam header (5), and the other end all is connected with condensed water tank (11), still is equipped with afterburner (4) in exhaust -heat boiler (3). This system has improved the steam volume of exhaust -heat boiler (3), has satisfied user's heat supply demand. Reduce the input of gas boiler peak regulation equipment simultaneously, reached better energy -conserving environmental protection profit.
Description
Technical field
This utility model is related to a kind of distributing-supplying-energy system, the distributed confession of particularly a kind of combustion gas-Steam Combined Cycle
Energy system, belongs to gas distributed energy system technical field.
Background technology
Gas distributed energy system is, for traditional centralized production of energy with supplying mode, to be proximate to
User side directly provides a user with the middle-size and small-size terminal energy supplying system of various forms of energy.The system facilitates implementation Integrated Energy
Cascade utilization, also has higher energy supply safety and more preferable environmental-protecting performance while with more high energy source utilization rate.
There is the occasion of higher hotspot stress demand, using the less gas Combined circulation of scale or combustion gas simple cycle distributed energy supply system
System, as the capacity of its gas turbine is less, flue gas heat is also limited, few in electrical load requirement and steam load demand is larger
Occasion, generally requires the gas fired-boiler peak regulation equipment that higher proportion is separately configured, and then causes that Fuel Consumption is big, cost of investment
Height, utilization rate of equipment and installations are low, floor space also than larger, while also increasing environmental.
Utility model content
The purpose of this utility model is, there is provided a kind of combustion gas-Steam Combined Cycle distributing-supplying-energy system.The system
The quantity of steam and the thermal efficiency of waste heat boiler are improve, fuel is saved, steam load demand is met, and then is met user's
Heat demand.Simultaneously reduce the input of gas fired-boiler peak regulation equipment, reduce floor space, reduce cost, reached compared with
Good energy conservation and environmental protection benefit.
To solve above-mentioned technical problem, this utility model is adopted the following technical scheme that：
This kind of combustion gas-Steam Combined Cycle distributing-supplying-energy system includes filter, the gas turbine power generation being sequentially connected with
Unit and waste heat boiler, the flue gas produced in the Gas Turbine Generating Units is by pipeline to waste heat boiler.The system
Also include auxiliary vapour header, vapor-water heat exchanger, lithium bromide chiller, condensate tank, condensate transfer pump, Turbo-generator Set and condensation
Water pump.The waste heat boiler is connected with auxiliary vapour header and Turbo-generator Set respectively, the Turbo-generator Set, condensate pump,
Condensate transfer pump and condensate tank are sequentially connected with.One end of the vapor-water heat exchanger and lithium bromide chiller is respectively connected with auxiliary vapour connection
Case, the other end are respectively connected with condensate tank, are additionally provided with afterburner in the waste heat boiler.In waste heat boiler, afterburner is set,
Certain natural gas is supplemented by afterburner, is burnt using the excessive oxygen in flue gas, improve the steam of waste heat boiler
Yield, reduces the input of the configuration scale even without gas fired-boiler peak regulation equipment of gas fired-boiler peak regulation equipment, saves whole
The investment of distributing-supplying-energy system and floor space.
Aforesaid afterburner is installed at HRSG Inlet Duct, is easy to fuel to mix with flue gas in being injected directly into flue
Burning, by the use of the excess enthalpy oxygen in flue gas as the oxidant of fuel, by the use of HRSG Inlet Duct inner space as
Afterburning combustor, it is not necessary to separately set combustor and combustion air fan.Flow uniform, mixing fully and stably to burn to ensure, it is described
Burner noz(zle) is evenly arranged on the passage section of afterburner, it is ensured that fuel is mixed well with the oxygen in flue gas.This kind
Configuration mode can save more than 15% fuel relative to conventional heating boiler, and larger saves operating cost, improves
The economy of system.
In order to reach preferable energy conservation and environmental protection benefit, aforesaid Gas Turbine Generating Units include the preposition module of natural gas,
Gas turbine and gas turbine powered generator, the gas turbine respectively with waste heat boiler, the preposition module of natural gas and gas turbine
Electromotor connects.The essence filtration that the preposition module of natural gas is used for before natural gas enters gas turbine, what the gas turbine was produced
Energy part supply gas turbine powered generator generates electricity, and supply user uses.The high-temperature flue gas that gas turbine is produced are through crossing cigarette
Road is entered in the flue of waste heat boiler, has burnt the part nitrogen oxides of gas turbine generation, with routine in post-combustion
Heating boiler is compared, and greatly reduces the discharge value of nitrogen oxidation gas.
In order to realize the recycling of water resource, aforesaid waste heat boiler is also connected with condensate tank by condensate transfer pump
Connect.Condensed water after heat exchange is come back to by condensate tank and be heated in waste heat boiler steam.
Further, aforesaid waste heat boiler is single-pressure HGSR or double discard heat boilers.
Beneficial, aforesaid lithium bromide chiller is steam type lithium bromide chiller.
Compared with prior art, it is of the present utility model to be beneficial in that：The system sets up afterburner in waste heat boiler,
The quantity of steam and the thermal efficiency of waste heat boiler generation are not only increased, more than 15% can also be saved relative to conventional heating boiler
Fuel, meets steam load demand, while meeting the heat demand of user.Reduce gas fired-boiler peak regulation equipment simultaneously
Configuration scale, reduces investment and the floor space of whole distributing-supplying-energy system, has reached preferable energy conservation and environmental protection benefit.
Description of the drawings
Fig. 1 is structural representation of the present utility model.
The implication of reference：1- filters, 2- Gas Turbine Generating Units, 3- waste heat boilers, 4- afterburners, the auxiliary vapour of 5-
Header, 6- vapor-water heat exchangers, 7- lithium bromide chillers, the preposition module of 8- natural gass, 9- gas turbines, 10- gas turbine powered generators,
11- condensate tanks, 12- condensate transfer pumps, 13- Turbo-generator Sets, 14- condensate pumps, 15- burner noz(zle)s.
With reference to the accompanying drawings and detailed description this utility model is further described.
Specific embodiment
Embodiment of the present utility model 1：As shown in figure 1, this kind of energy supplying system includes the filter 1, combustion gas being sequentially connected with
Turbine generator group 2 and waste heat boiler 3, waste heat boiler 3 are double discard heat boilers.Single-pressure HGSR can only a kind of parameter of output
Steam, using double discard heat boilers can two kinds of different pressures of output and temperature simultaneously steam, meet the need of different user
Ask.The flue gas produced in Gas Turbine Generating Units 2 is by pipeline to waste heat boiler 3.The system also includes auxiliary vapour header
5th, vapor-water heat exchanger 6, lithium bromide chiller 7, condensate tank 11, condensate transfer pump 12, Turbo-generator Set 13 and condensate pump
14, lithium bromide chiller 7 is steam type lithium bromide chiller.Waste heat boiler 3 respectively with 13 phase of auxiliary vapour header 5 and Turbo-generator Set
Even, Turbo-generator Set 13, condensate pump 14, condensate transfer pump 12 and condensate tank 11 are sequentially connected with.6 He of vapor-water heat exchanger
One end of lithium bromide chiller 7 is respectively connected with auxiliary vapour header 5, and the other end is respectively connected with condensate tank 11,3 gas approach of waste heat boiler
Place is additionally provided with afterburner 4, and burner noz(zle) 15 has been evenly arranged on the passage section of afterburner 4.Supplement certain by afterburner 4
Natural gas, is burnt by the use of the excessive oxygen in flue gas as the oxidant of fuel, using in 3 gas approach of waste heat boiler
Portion space improves the steam production of waste heat boiler 3 as afterburning combustor, reduces the configuration scale of gas fired-boiler peak regulation equipment
Even without the input of gas fired-boiler peak regulation equipment, burner noz(zle) 15 ensure that fuel is mixed well with the oxygen in flue gas.
Gas Turbine Generating Units 2 include the preposition module 8 of natural gas, gas turbine 9 and gas turbine powered generator 10, combustion gas
Turbine 9 is connected with the preposition module 8 of waste heat boiler 3, natural gas and gas turbine powered generator 10 respectively.The preposition module of natural gas 8 is used
Essence before natural gas enters gas turbine 9 is filtered, the energy part supply gas turbine powered generator 10 that gas turbine 9 is produced
Generate electricity, supply user uses.The high-temperature flue gas that gas turbine 9 is produced are entered through crossing flue in the flue of waste heat boiler 3.Mending
The part nitrogen oxides of the generation of gas turbine 9 have been burnt during combustion, compared with conventional heating boiler, nitrogen oxygen has been greatly reduced
The discharge value of activating QI body, reaches preferable energy conservation and environmental protection benefit.Waste heat boiler 3 also passes through condensate transfer pump 12 and condensate tank
11 connections.Condensed water after heat exchange is heated into steam in coming back to waste heat boiler 3 by condensate tank 11, realizes that water is provided
The recycling in source.This kind of configuration mode can save more than 15% fuel, larger saving relative to conventional heating boiler
Operating cost, improves the economy of system.
Embodiment 2：As shown in figure 1, this kind of combustion gas-Steam Combined Cycle distributing-supplying-energy system includes what is be sequentially connected with
Filter 1, Gas Turbine Generating Units 2 and waste heat boiler 3, the flue gas produced in Gas Turbine Generating Units 2 are defeated by pipeline
Give waste heat boiler 3.The system also includes auxiliary vapour header 5, vapor-water heat exchanger 6, lithium bromide chiller 7, condensate tank 11, condensate
Recovery pump 12, Turbo-generator Set 13 and condensate pump 14.Waste heat boiler 3 respectively with auxiliary vapour header 5 and Turbo-generator Set 13
It is connected, Turbo-generator Set 13, condensate pump 14, condensate transfer pump 12 and condensate tank 11 are sequentially connected with.Vapor-water heat exchanger 6
Auxiliary vapour header 5 is respectively connected with one end of lithium bromide chiller 7, the other end is respectively connected with condensate tank 11, also sets in waste heat boiler 3
There is afterburner 4.Afterburner 4 is set in waste heat boiler 3, certain natural gas is supplemented by afterburner 4, using the mistake in flue gas
Amount oxygen is burnt, and improves the steam production of waste heat boiler 3, reduces the configuration scale even nothing of gas fired-boiler peak regulation equipment
The input of gas fired-boiler peak regulation equipment is needed, investment and the floor space of whole distributing-supplying-energy system is saved.
Operation principle of the present utility model：Air enters gas turbine 9 after the filtration of filter 1, and fuel passes through natural gas
Preposition module 8 enters gas turbine 9, does work after air and fuel mixed combustion, and a part is used for gas turbine powered generator 10
Electricity, while the high-temperature flue gas for producing that burn are through crossing flue into waste heat boiler 3.Fuel is by equal on 4 passage section of afterburner
With flue gas mixed combustion in the penetrating flue of burner noz(zle) 15 of even arrangement, by the use of the excess enthalpy oxygen in flue gas as the oxidation of fuel
Agent, by the use of the inner space of 3 gas approach of waste heat boiler as afterburning combustor, the steam that improve the generation of waste heat boiler 3 is produced
Amount.Gas turbine powered generator 10 and the joint configuration of Turbo-generator Set 13, the auxiliary vapour header of the steam Jing of generation 5 enter steam-water heat exchanging
Device 6 produces hot water, and the auxiliary vapour headers 5 of steam Jing of generation enter lithium bromide chiller 7 and produce cold water, meet the different demands of user.
The condensed water produced after steam heat-exchanging is heated in coming back to waste heat boiler 3 by condensate tank 11 and condensate transfer pump 12
Steam, recycles water resource.
Claims (6)
1. a kind of combustion gas-Steam Combined Cycle distributing-supplying-energy system, it is characterised in that including the filter being sequentially connected with
(1), Gas Turbine Generating Units (2) and waste heat boiler (3), also including auxiliary vapour header (5), vapor-water heat exchanger (6), lithium bromide machine
Group (7), condensate tank (11), condensate transfer pump (12), Turbo-generator Set (13) and condensate pump (14), the waste heat pot
Stove (3) is connected with auxiliary vapour header (5) and Turbo-generator Set (13) respectively, the Turbo-generator Set (13), condensate pump
(14), condensate transfer pump (12) and condensate tank (11) are sequentially connected with；The vapor-water heat exchanger (6) and lithium bromide chiller (7)
One end be respectively connected with auxiliary vapour header (5), the other end is respectively connected with condensate tank (11)；It is additionally provided with the waste heat boiler (3)
Afterburner (4).
2. combustion gas according to claim 1-Steam Combined Cycle distributing-supplying-energy system, it is characterised in that the afterburning
Device (4) is installed at waste heat boiler (3) gas approach, has been evenly arranged burner noz(zle) on the passage section of the afterburner (4)
(15)。
3. combustion gas according to claim 2-Steam Combined Cycle distributing-supplying-energy system, it is characterised in that the combustion gas
Turbine generator group (2) includes the preposition module of natural gas (8), gas turbine (9) and gas turbine powered generator (10), the combustion gas
Turbine (9) is connected with waste heat boiler (3), the preposition module of natural gas (8) and gas turbine powered generator (10) respectively.
4. combustion gas according to claim 3-Steam Combined Cycle distributing-supplying-energy system, it is characterised in that the waste heat
Boiler (3) is also connected with condensate tank (11) by condensate transfer pump (12).
5. combustion gas according to claim 4-Steam Combined Cycle distributing-supplying-energy system, it is characterised in that the waste heat
Boiler (3) is single-pressure HGSR or double discard heat boilers.
6. combustion gas according to claim 5-Steam Combined Cycle distributing-supplying-energy system, it is characterised in that the bromination
Lithium unit (7) is steam type lithium bromide chiller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621154951.5U CN206129338U (en) | 2016-10-31 | 2016-10-31 | Gas - steam combined cycle distributing type energy supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621154951.5U CN206129338U (en) | 2016-10-31 | 2016-10-31 | Gas - steam combined cycle distributing type energy supply system |
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| Publication Number | Publication Date |
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| CN206129338U true CN206129338U (en) | 2017-04-26 |
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| CN201621154951.5U Active CN206129338U (en) | 2016-10-31 | 2016-10-31 | Gas - steam combined cycle distributing type energy supply system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108468593A (en) * | 2018-05-03 | 2018-08-31 | 中国华电科工集团有限公司 | A kind of gas internal-combustion engine distributing-supplying-energy system with solar energy complementation |
| CN108626889A (en) * | 2018-05-03 | 2018-10-09 | 中国华电科工集团有限公司 | A kind of distributed multi-generation system coupled with solar energy |
| CN108757471A (en) * | 2018-05-02 | 2018-11-06 | 中国华电科工集团有限公司 | Water-ring vacuum pump fluid cooling water system |
-
2016
- 2016-10-31 CN CN201621154951.5U patent/CN206129338U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757471A (en) * | 2018-05-02 | 2018-11-06 | 中国华电科工集团有限公司 | Water-ring vacuum pump fluid cooling water system |
| CN108468593A (en) * | 2018-05-03 | 2018-08-31 | 中国华电科工集团有限公司 | A kind of gas internal-combustion engine distributing-supplying-energy system with solar energy complementation |
| CN108626889A (en) * | 2018-05-03 | 2018-10-09 | 中国华电科工集团有限公司 | A kind of distributed multi-generation system coupled with solar energy |
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