CN204783272U - Gas - steam combined cycle cogeneration of heat and power conduction oil heating system - Google Patents
Gas - steam combined cycle cogeneration of heat and power conduction oil heating system Download PDFInfo
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- CN204783272U CN204783272U CN201520513095.7U CN201520513095U CN204783272U CN 204783272 U CN204783272 U CN 204783272U CN 201520513095 U CN201520513095 U CN 201520513095U CN 204783272 U CN204783272 U CN 204783272U
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
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Abstract
本实用新型涉及能源电力技术，公开了一种燃气-蒸汽联合循环热电联产导热油供热系统。该系统包括燃气轮机系统、蒸汽轮机系统和导热油供热系统，其中所述燃气轮机系统包括燃气轮机，蒸汽轮机系统包括蒸汽轮机，导热油供热系统包括余热锅炉，余热锅炉中设有一导热油受热面模块便于余热锅炉对导热油直接进行加热，并将加热后的高温导热油供应给热用户，导热油供热系统还包括导热油蒸发器，导热油蒸发器可将超出热用户需求的热量用水作为工质带走，实现了对余热锅炉中导热油温度控制。
The utility model relates to energy and electric power technology, and discloses a gas-steam combined cycle heat and power cogeneration heat conduction oil heat supply system. The system includes a gas turbine system, a steam turbine system and a heat transfer oil heating system, wherein the gas turbine system includes a gas turbine, the steam turbine system includes a steam turbine, the heat transfer oil heating system includes a waste heat boiler, and a heat transfer oil heating surface module is arranged in the waste heat boiler It is convenient for the waste heat boiler to directly heat the heat transfer oil, and supply the heated high-temperature heat transfer oil to the heat user. The heat transfer oil heating system also includes a heat transfer oil evaporator, and the heat transfer oil evaporator can use water that exceeds the heat user's demand as working water. The quality is taken away, and the temperature control of the heat transfer oil in the waste heat boiler is realized.
Description
Technical field
The utility model relates to electricity power technology, particularly Gas-steam Combined Cycle cogeneration of heat and power conduction oil heating system.
Background technique
At present, when the Gas-steam Combined Cycle be made up of gas turbine, exhaust heat boiler, steam turbine and generator is used for cogeneration of heat and power, water generates steam is heated by exhaust heat boiler, steam is utilized to carry out heat supply as working medium to heat user, steam is condensed into water after thermoelectricity plant is sent to heat user, releases heat.But the production technology device of chemical heat user generally adopts conduction oil as heating working medium, and the operating temperature of conduction oil reaches more than 300 DEG C, far away higher than steam saturation temperature 100 DEG C under atmospheric pressure.Due to the difference of heating working medium, current existing Gas-steam Combined Cycle cogeneration of heat and power technology cannot be effectively applied in the middle of the production of the chemical heat user using conduction oil as working medium.If heated according to the conduction oil of high-temperature steam to chemical industry heat user process units that prior art utilizes thermoelectricity plant to produce, because the operating temperature of conduction oil is far above steam saturation temperature at ambient pressure, steam cannot condense into water to discharge a large amount of latent heats of vaporization, this causes steam heating weak effect, efficiency of energy utilization is low, less economical.
For the shortcoming that prior art systems is above-mentioned, the utility model provides a kind of technological scheme, and the Large Gas-Steam Combined Cycle circulating thermoelectric coproduction power plant making advanced technology, efficiency high can directly utilize conduction oil to carry out heat supply to heat user.
terminological interpretation
Conduction oil vaporizer: a kind of shell of pipe type oil-water-to-water heat exchanger, the conduction oil of high temperature releases heat, and water is heated into steam.
Model utility content
The purpose of this utility model is the Gas-steam Combined Cycle cogeneration of heat and power conduction oil heating system providing a kind of performance more excellent, and this system can directly utilize conduction oil to carry out heat supply to heat user, and can carry out temperature control to conduction oil.
In the utility model, provide a kind of Gas-steam Combined Cycle cogeneration of heat and power conduction oil heating system.It comprises gas turbine engine systems, steam turbine system and conduction oil heating system, and wherein gas turbine engine systems comprises gas turbine;
Steam turbine system comprises: the first exhaust heat boiler, steam turbine, vapour condenser, water pump, generator and the first connecting tube, and wherein the first connecting tube is for connecting the first exhaust heat boiler, steam turbine, vapour condenser and water pump;
Conduction oil heating system comprises: the second exhaust heat boiler, conduction oil heating surface module, Heat-transfer Oil Pump, conduction oil vaporizer and the second connecting tube, wherein the second connecting tube is for connecting conduction oil user side, conduction oil heating surface module, Heat-transfer Oil Pump and conduction oil vaporizer, and is provided with conduction oil heating surface module in the second exhaust heat boiler;
Wherein the first exhaust heat boiler and the second exhaust heat boiler are same exhaust heat boiler, and gas turbine is provided with flue gas output terminal, and flue gas output terminal is connected to the flue gas input end of exhaust heat boiler, for the flue gas of discharge containing heat in described exhaust heat boiler.
Compared with prior art, major advantage comprises the utility model mode of execution:
The utility model increases by a conduction oil heating surface module in exhaust heat boiler, and just directly can heat conduction oil and the high temperature heat conductive oil after heating is supplied to heat user, change little to Waste Heat Boiler Design, technology upgrading easily realizes.The heat exceeding heat user demand can use water as working medium is taken away by conduction oil vaporizer, achieves and controls conduction oil temperature in exhaust heat boiler.It is simple that whole technological scheme makes the operation of Gas-steam Combined Cycle control, and contributes to gas turbine and remain on the operation of high efficiency load area, can promote the economic performance of unit overall operation.
Further, exhaust heat boiler, steam turbine, vapour condenser and water pump are circulated successively and is connected, realize Steam Combined Cycle and utilize.
Further, the water intake end upstream of conduction oil vaporizer is provided with Water flow adjusting valve, is convenient to regulate the water yield inputted in conduction oil vaporizer;
The steam output end downstream of conduction oil vaporizer is provided with steam flow meter, is convenient to the vapour amount measuring the steam exported from the steam output end of conduction oil vaporizer.
Further, the water intake end mouth of Water flow adjusting valve is connected with the water outlet port of the water pump in steam turbine system, is convenient to, to conduction oil vaporizer input water of condensation, improve the utilization ratio to flue gas, reduce the power consumption of system.
Further, the heating steam that the steam produce conduction oil vaporizer and steam turbine export merges, and can externally provide more heating steam.
Further, be provided with pressure-difference valve in conduction oil user side to regulate, distribute the oil mass of conduction oil in conduction oil user side.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of Gas-steam Combined Cycle cogeneration of heat and power conduction oil heating system in the utility model first mode of execution;
Fig. 2 is the structural representation of a kind of Gas-steam Combined Cycle cogeneration of heat and power conduction oil heating system in the utility model second mode of execution;
Fig. 3 is the structural representation of a kind of Gas-steam Combined Cycle cogeneration of heat and power conduction oil heating system in the utility model the 3rd mode of execution;
Fig. 4 is the structural representation of a kind of Gas-steam Combined Cycle cogeneration of heat and power conduction oil heating system in the utility model the 3rd mode of execution;
Fig. 5 is the structural representation of a kind of Gas-steam Combined Cycle cogeneration of heat and power conduction oil heating system in the utility model the 4th mode of execution.
Embodiment
In the following description, many ins and outs are proposed in order to make reader understand the application better.But, persons of ordinary skill in the art may appreciate that even without these ins and outs with based on the many variations of following mode of execution and amendment, also can realize each claim of the application technological scheme required for protection.
For making the purpose of this utility model, technological scheme and advantage clearly, below in conjunction with accompanying drawing, mode of execution of the present utility model is described in further detail.
The utility model first mode of execution relates to a kind of Gas-steam Combined Cycle cogeneration of heat and power conduction oil heating system.Fig. 1 is the structural representation of this Gas-steam Combined Cycle cogeneration of heat and power conduction oil heating system.
As shown in Figure 1, this Gas-steam Combined Cycle cogeneration of heat and power conduction oil heating system comprises gas turbine engine systems, steam turbine system and conduction oil heating system.
Steam turbine system comprises: the first exhaust heat boiler 10, steam turbine 12, vapour condenser 14, water pump 16, generator 18 and the first connecting tube, and wherein the first connecting tube is for connecting the first exhaust heat boiler 10, steam turbine 12, vapour condenser 14 and water pump 16.
Steam turbine 12 and generator 18 are on the same axis, the steam input end of steam turbine 12 connects the steam output end of the first exhaust heat boiler 10, the steam output end of steam turbine 12 connects the steam inlet end of vapour condenser 14, the water of condensation outlet end of vapour condenser 14 connects the water intake end of water pump 16, and the waterexit end of water pump 16 connects the water intake end of the first exhaust heat boiler 10.
In another preference, the first exhaust heat boiler 10 and steam turbine 12 are equipped with heating steam outlet end or outlet conduit, for exporting heating steam.
Conduction oil heating system comprises: the second exhaust heat boiler, conduction oil heating surface module 21, Heat-transfer Oil Pump 22, conduction oil vaporizer 24 and the second connecting tube, wherein the second connecting tube is for connecting conduction oil user side 42 and conduction oil heating surface module 21, Heat-transfer Oil Pump 22 and conduction oil vaporizer 24, wherein be provided with conduction oil heating surface module 21 in the second exhaust heat boiler, and Heat-transfer Oil Pump 22 is positioned at the downstream of conduction oil user side 42.
Gas turbine engine systems comprises gas turbine 32, and gas turbine 32 is provided with flue gas output terminal, and wherein flue gas output terminal is connected to the flue gas input end of the second exhaust heat boiler, for the flue gas of discharge containing heat in the second exhaust heat boiler.
In present embodiment, the first exhaust heat boiler 10 and the second exhaust heat boiler are same exhaust heat boiler, and this exhaust heat boiler 10 carries chimney 13.
In present embodiment, select suitable position that conduction oil heating surface module 21 is set in exhaust heat boiler inside, realize utilizing exhaust heat boiler 10 pairs of conduction oils of combined cycle directly to heat.
The heat exceeding the conduction oil of heat user demand can be absorbed by the water in conduction oil vaporizer 24, realizes controlling conduction oil temperature in exhaust heat boiler 10.
Exhaust heat boiler 10, steam turbine 12, vapour condenser 14 are circulated successively with water pump 16 and is connected, realize Steam Combined Cycle and utilize.
Heating steam is outwards exported by heating steam outlet end or outlet conduit by exhaust heat boiler 10 and steam turbine 12, can externally heat supply.
In addition, be appreciated that, realizing Large Gas-Steam Combined Cycle circulating thermoelectric coproduction power plant directly utilizes conduction oil to carry out heat supply to heat user, the replacement scheme existed is variant on temperature control mode, such as adopt flue dividing technology, this replacement scheme needs to carry out large change to Waste Heat Boiler Design, draws a road flue gas and enters heating to conduction oil heating surface, controls flue gas flow thus regulate conduction oil temperature by regulating gas baffle.This replacement scheme is owing to need do significantly technological improvement to existing Waste Heat Boiler Design, and technical difficulty is high, and upgrade cost is large.
The utility model second mode of execution relates to a kind of Gas-steam Combined Cycle cogeneration of heat and power conduction oil heating system.Fig. 2 is the structural representation of this Gas-steam Combined Cycle cogeneration of heat and power conduction oil heating system.
As shown in Figure 2, the second mode of execution improves on the basis of the first mode of execution, and main improvements are: conduction oil heating system is also provided with conduction oil flowmeter 23, is convenient to the oil mass measuring conduction oil.
Specifically:
The output terminal of conduction oil heating surface module 21 is connected with the input end of conduction oil user side 42, for transmitting high temperature heat conductive oil to conduction oil user side 42, conduction oil flowmeter 23 is provided with, for measuring the oil mass of conduction oil between the output terminal and the input end of conduction oil user side 42 of conduction oil heating surface module 21.
The utility model the 3rd mode of execution relates to a kind of Gas-steam Combined Cycle cogeneration of heat and power conduction oil heating system.Fig. 3 and Fig. 4 is the structural representation of this Gas-steam Combined Cycle cogeneration of heat and power conduction oil heating system.
As shown in Figure 3 and Figure 4,3rd mode of execution improves on the basis of the first mode of execution, main improvements are: conduction oil vaporizer 24 is by connected in series or in parallel with conduction oil user side 42, achieve and conduction oil temperature in exhaust heat boiler 10 is controlled, and make the caloric receptivity of conduction oil heating surface in exhaust heat boiler 10 keep constant; The water intake end upstream of conduction oil vaporizer 24 is provided with Water flow adjusting valve 28, is convenient to the water yield regulating input in conduction oil vaporizer 24; The water of condensation that hydromining in conduction oil vaporizer 24 exports with vapour condenser 14, reduces the power consumption of system, improves the utilization ratio to flue gas; Conduction oil heating system is also provided with steam flow meter 26, is convenient to the vapour amount measuring the steam exported from the steam output end of conduction oil vaporizer 24; The heating steam that the steam produce conduction oil vaporizer 24 and steam turbine 12 export merges, and can externally provide more heating steam.
Specifically:
As shown in Figure 3, conduction oil vaporizer 24 is connected with conduction oil user side 42, and conduction oil vaporizer 24 is positioned at the downstream of Heat-transfer Oil Pump 22, the conduction oil output terminal of conduction oil vaporizer 24 is connected with the input end of conduction oil heating surface module 21, for inputting low temperature conduction oil in exhaust heat boiler 10.
As shown in Figure 4, conduction oil vaporizer 24 is in parallel with conduction oil user side 42, the conduction oil output terminal of conduction oil vaporizer 24 is connected with conduction oil user side 42 output terminal and two output terminals are connected to the conduction oil input end of Heat-transfer Oil Pump 22 jointly, the conduction oil output terminal of Heat-transfer Oil Pump 22 connects the input end of conduction oil heating surface module 21, for inputting low temperature conduction oil in exhaust heat boiler 10.The conduction oil entry end upstream of conduction oil vaporizer 24 is also provided with a conduction oil flow control valve 25, the outlet end of conduction oil flow control valve 25 connects the conduction oil entry end of conduction oil vaporizer 24, for regulating the oil mass of the conduction oil of input in conduction oil vaporizer 24.
As shown in Figure 3 and Figure 4, the water intake end upstream of conduction oil vaporizer 24 is provided with Water flow adjusting valve 28, the water intake end of Water flow adjusting valve 28 connects the waterexit end of water pump 16, and the waterexit end of Water flow adjusting valve 28 connects the water intake end of conduction oil vaporizer 24, the water of condensation part that vapour condenser 14 is exported flows in conduction oil vaporizer 24.
As shown in Figure 3 and Figure 4, conduction oil heating system is also provided with steam flow meter 26, the steam input end of steam flow meter 26 connects the steam output end of conduction oil vaporizer 24, the steam output end of steam flow meter 26 connects heating steam outlet end or the outlet conduit of steam turbine 12, and the heating steam that the steam produce conduction oil vaporizer 24 and steam turbine 12 export merges.
The utility model the 4th mode of execution relates to a kind of Gas-steam Combined Cycle cogeneration of heat and power conduction oil heating system.Fig. 5 is the structural representation of this Gas-steam Combined Cycle cogeneration of heat and power conduction oil heating system.
As shown in Figure 5, the 4th mode of execution improves on the basis of the first mode of execution, and main improvements are: be provided with pressure-difference valve 40 in conduction oil user side 42, can regulate, distribute the oil mass of conduction oil in conduction oil user side 42.
Specifically:
Gas turbine engine systems also comprises: the accessory of generator 38, gas turbine 32, and wherein the accessory of gas turbine 32 is gas compressor 36 and firing chamber 34, and gas turbine 32 and gas compressor 36 and generator 38 are on the same axis.Input rock gas and fuel respectively in gas compressor 36 and firing chamber 34, gas turbine 32 utilizes fuel combustion rock gas to generate the flue gas containing heat.
Conduction oil user side 42 comprises pressure-difference valve 40 and groups of users.
It should be noted that, in the claim and specification of this patent, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or control panel, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element " being comprised " limited by statement, and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
Although by referring to some preferred implementation of the present utility model, the utility model illustrated and describe, but those of ordinary skill in the art should be understood that and can do various change to it in the form and details, and does not depart from spirit and scope of the present utility model.
Claims (8)
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520513095.7U CN204783272U (en) | 2015-07-15 | 2015-07-15 | Gas - steam combined cycle cogeneration of heat and power conduction oil heating system |
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| CN201520513095.7U CN204783272U (en) | 2015-07-15 | 2015-07-15 | Gas - steam combined cycle cogeneration of heat and power conduction oil heating system |
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| CN204783272U true CN204783272U (en) | 2015-11-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104989530A (en) * | 2015-07-15 | 2015-10-21 | 中国电力工程顾问集团华东电力设计院有限公司 | Heat supplying system of heat-conducting oil in combined heat and power generation of gas-steam combined cycle and heat supplying method |
-
2015
- 2015-07-15 CN CN201520513095.7U patent/CN204783272U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104989530A (en) * | 2015-07-15 | 2015-10-21 | 中国电力工程顾问集团华东电力设计院有限公司 | Heat supplying system of heat-conducting oil in combined heat and power generation of gas-steam combined cycle and heat supplying method |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151118 |
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| CF01 | Termination of patent right due to non-payment of annual fee |