CN216077330U - Combined cooling heating and power coupling device based on gas turbine Kalina combined cycle - Google Patents
Combined cooling heating and power coupling device based on gas turbine Kalina combined cycle Download PDFInfo
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- CN216077330U CN216077330U CN202122504710.6U CN202122504710U CN216077330U CN 216077330 U CN216077330 U CN 216077330U CN 202122504710 U CN202122504710 U CN 202122504710U CN 216077330 U CN216077330 U CN 216077330U
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
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- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
- Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/62—Absorption based systems
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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
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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
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Abstract
The utility model discloses a combined cooling, heating and power cogeneration coupling device based on Kalina combined cycle of a gas turbine, which comprises: a first compressor; the first heat regenerator is used for preheating; the combustion chamber is used for outputting flue gas; a gas turbine; a separator for outputting saturated ammonia-rich steam and saturated ammonia-lean solution; a second regenerator for heating the saturated ammonia-rich steam at the outlet of the separator with a portion of the exhaust gas from the gas turbine; an ammonia turbine; a third regenerator for heating the subcooled primary aqueous ammonia solution at the outlet of the condenser; the first mixer is used for outputting a basic ammonia water solution mixed working medium; a first condenser for outputting a subcooled primary aqueous ammonia solution; a first evaporator; the second mixer is used for mixing and outputting the first exhaust air and the second exhaust air; and a cooling and heating module. The system can save energy and reduce emission, fully utilizes the waste heat and smoke of the gas turbine, and meets the requirements of heat supply and cold supply while supplying power.
Description
Technical Field
The utility model belongs to the technical field of distributed energy power generation, and particularly relates to a combined cooling, heating and power coupling device based on Kalina combined cycle of a gas turbine.
Background
The energy structure taking fossil energy as the leading cause a series of problems of environment deterioration, unreasonable energy structure and the like; three major problems currently faced by carbon-based energy sources are: high energy consumption, high carbon emission and high pollution. Coal is still the main fossil energy source currently utilized, and for promoting the development of the energy revolution, the establishment of a low-carbon environment-friendly, reliable and efficient energy system is the primary task of the current energy development. The traditional energy form is single, and the energy structure optimization and the development of low-carbon energy in the current society cannot be met; in contrast, the distributed energy shows absolute advantages by virtue of the characteristics of high energy utilization rate, multistage utilization, small environmental pollution and the like. Under the scientific energy utilization principle of 'temperature to mouth, cascade utilization', the energy cascade utilization is carried out on the natural gas, and the advantages of high heat value, convenience and small pollution are fully exerted.
Distributed energy Combined cooling, Heating and Power (CCHP) is a novel energy-saving technology, which realizes refrigeration, Power supply and heat supply, meets diversified demands of users, and is concerned by most countries due to the advantages of high efficiency, reliability, environmental protection, flexibility and the like. Therefore, the number of distributed energy sources will gradually increase in the future, and the proportion of distributed energy sources in the energy structure increases, but the management cost and the management difficulty are increased.
The fuel of the gas turbine usually adopts natural gas as fuel, the outlet of the gas turbine usually has higher temperature, the traditional gas turbine waste heat flue gas usually adopts gas-steam combined cycle, and the modes of one-to-one or one-to-two are adopted; the gas-steam combined cycle is adopted, and only power supply can be realized, the form is single, and the energy structure requirements of the current society cannot be met. Therefore, it is necessary to provide a reasonable distributed energy system to perform cascade utilization of waste heat and temperature, so as to provide a distributed energy power generation system with combined cooling, heating and power generation for users.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a combined cooling, heating and power generation coupling device based on a Kalina combined cycle of a gas turbine, so as to solve one or more technical problems. The system can save energy and reduce emission, fully utilizes the waste heat and smoke of the gas turbine, and meets the requirements of heat supply and cold supply while supplying power.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model relates to a combined cooling, heating and power coupling device based on Kalina combined cycle of a gas turbine, which comprises:
the first compressor is used for acquiring compressed air;
the first heat regenerator is used for inputting fuel and compressed air obtained by the first compressor and preheating the fuel and the compressed air;
the combustion chamber is used for inputting the fuel and the compressed air preheated by the first heat regenerator, combusting the fuel and outputting flue gas in a preset temperature range;
the gas turbine is used for inputting the smoke output by the combustion chamber and performing expansion work so as to drive the generator to generate electricity;
the separator is used for inputting the basic ammonia water solution of the two-phase region, separating the basic ammonia water solution and outputting saturated ammonia-rich steam and saturated ammonia-poor solution;
a second regenerator for heating the saturated ammonia-rich steam output by the separator with a portion of the exhaust gas output by the gas turbine;
the ammonia gas turbine is used for converting the heat energy of the saturated ammonia-rich steam heated by the second heat regenerator into mechanical energy so as to drive a generator to generate electricity;
the third heat regenerator is used for heating the saturated lean ammonia solution output by the separator;
the first mixer is used for isobaric mixing of the dead steam output by the ammonia turbine and the saturated lean ammonia solution subjected to heat exchange by the third heat regenerator, and outputting a basic ammonia water solution mixed working medium;
the first condenser is used for condensing the basic ammonia water solution mixed working medium output by the first mixer into a supercooled basic ammonia water solution; the saturated ammonia-poor solution is used as a heating medium for heating the supercooled basic ammonia solution by the third regenerator;
the first evaporator is used for exchanging heat between the basic ammonia water solution after the heat exchange of the third heat regenerator and a part of exhaust gas after the heat exchange of the second heat regenerator; exhaust gas after heat exchange of the first evaporator is used as exhaust gas of the first evaporator and is used as a heating medium for preheating by the first heat regenerator; the basic ammonia water solution after heat exchange in the first evaporator is a basic ammonia water solution in a two-phase region and is output to the separator;
the second mixer is used for mixing and outputting the first exhaust air and the second exhaust air; the first extraction air is the other part of exhaust gas output by the gas turbine, and the second extraction air is the other part of exhaust gas after heat exchange of the second heat regenerator;
and the cooling and heating module is used for realizing heating and cooling based on the output of the second mixer.
A further development of the utility model is that the cooling and heating module comprises:
the heat exchanger is used for exchanging heat of two fluid media according to the output of the second mixer and outputting heat;
the heat storage tank is used for storing the heat output by the heat exchanger;
the lithium bromide absorption refrigeration module is used for inputting the flue gas subjected to heat exchange by the heat exchanger, performing heat exchange of two fluid media and outputting cold energy;
and the cold storage tank is used for storing the cold energy output by the lithium bromide absorption refrigeration module.
A further development of the utility model is that the lithium bromide absorption refrigeration module is also used to input the output of the second mixer to regulate the refrigeration capacity.
A further improvement of the utility model is that the lithium bromide absorption refrigeration module comprises: the system comprises a first generator, a second condenser, a second evaporator, a fourth heat regenerator, a fifth heat regenerator and an absorber;
the first generator is provided with a flue gas inlet, a flue gas outlet, a cold flow inlet, a gas phase outlet and a liquid phase outlet; the second generator is provided with a gas phase inlet, a liquid phase inlet, a first gas phase outlet, a second gas phase outlet and a liquid phase outlet;
the smoke inlet and the smoke outlet of the first generator are respectively used for introducing and discharging smoke; the cold flow inlet of the first generator is communicated with the outlet of the absorber through the cold flow channels of the fourth regenerator and the fifth regenerator in sequence;
the gas phase outlet of the first generator is communicated with the gas phase inlet of the second generator, and the liquid phase outlet of the first generator is communicated with the liquid phase inlet of the second generator through the heat flow channel of the fourth regenerator;
the liquid phase outlet of the second generator is communicated with the first inlet of the absorber through the heat flow channel of the fifth regenerator; and the first gas-phase outlet and the second gas-phase outlet of the second generator are communicated with the second inlet of the absorber through the heat flow channels of the second condenser and the second evaporator in sequence.
The utility model further improves the method and also comprises the following steps:
a first generator for generating electricity based on the driving of the gas turbine.
The utility model further improves the method and also comprises the following steps:
a second generator for generating electricity based on the driving of the ammonia turbine.
The utility model further improves the method and also comprises the following steps:
and the heat flow outlet of the condenser is communicated with the heat inlet of the third heat regenerator through the working medium pump.
A further development of the utility model is that,
the first compressor is provided with an inlet and an outlet;
the first heat regenerator is provided with a first cold flow inlet, a first cold flow outlet, a second cold flow inlet, a second cold flow outlet, a first hot flow inlet and a first hot flow outlet; the first cold flow inlet is used for introducing fuel; the second cold flow inlet is communicated with the outlet of the first compressor;
the combustion chamber is provided with a first inlet, a second inlet and an outlet; the first inlet of the combustion chamber is communicated with the first cold flow outlet of the first heat regenerator, and the second inlet of the combustion chamber is communicated with the second cold flow outlet of the first heat regenerator;
the gas turbine is provided with an inlet and an outlet; the inlet of the gas turbine is communicated with the outlet of the combustion chamber;
the second heat regenerator is provided with a cold flow inlet, a cold flow outlet, a hot flow inlet and a hot flow outlet; the heat flow inlet of the second heat regenerator is communicated with the outlet of the gas turbine;
the ammonia turbine is provided with an inlet and an outlet; an inlet of the ammonia turbine is communicated with a cold flow outlet of the second heat regenerator;
the first mixer is provided with a first inlet, a second inlet and an outlet; the first inlet of the first mixer is communicated with the outlet of the ammonia turbine;
the first condenser is provided with a cold flow inlet, a cold flow outlet, a hot flow inlet and a hot flow outlet; the heat flow inlet of the first condenser is communicated with the outlet of the first mixer; the cold flow inlet and the cold flow outlet of the condenser are respectively used for introducing and discharging cooling media;
the third heat regenerator is provided with a cold flow inlet, a cold flow outlet, a hot flow inlet and a hot flow outlet; the hot flow outlet of the condenser is communicated with the cold flow inlet of the third heat regenerator; a heat flow outlet of the third regenerator is communicated with a second inlet of the first mixer after passing through a first throttling valve;
the separator is provided with an inlet, a gas phase outlet and a liquid phase outlet; the liquid phase outlet of the separator is communicated with the cold flow inlet of the third heat regenerator; the gas phase outlet of the separator is communicated with the cold flow inlet of the second heat regenerator;
the first evaporator is provided with a cold flow inlet, a cold flow outlet, a hot flow inlet and a hot flow outlet; the cold flow inlet of the first evaporator is communicated with the cold flow outlet of the third regenerator; the cold flow outlet of the first evaporator is communicated with the inlet of the separator; the heat flow inlet of the first evaporator is communicated with the heat flow outlet of the second heat regenerator; the heat flow outlet of the first evaporator is communicated with the heat flow inlet of the first heat regenerator;
the second mixer is provided with a first inlet, a second inlet and an outlet; and the first inlet of the second mixer is communicated with the outlet of the gas turbine, and the second inlet of the second mixer is communicated with the heat flow outlet of the second regenerator.
Compared with the prior art, the utility model has the following beneficial effects:
the system can save energy and reduce emission, fully utilizes the waste heat and smoke of the gas turbine, and realizes the purpose of supplying power and simultaneously meeting the requirements of heat supply and cold supply; in addition, the system of the utility model has a diversified form, so that the system is small and flexible, and can meet different user requirements. Specifically, the system is a novel distributed energy source combined cooling heating and power generation coupling system, and the waste heat temperature of the gas turbine is fully utilized to realize combined cooling heating and power generation; the utility model adopts the cascade utilization of energy, high-temperature flue gas generated in the combustion chamber sequentially passes through the inlet of a gas turbine, the exhaust (first air extraction), second air extraction, exhaust and other parts of the gas turbine, the temperature is reduced step by step, the gas turbine module and the Kalina circulation module generate electric energy, wherein the Kalina module mainly aims to fully utilize the waste heat of the exhaust of the gas turbine, after the first air extraction and the second air extraction are mixed in a second mixer, part of the waste heat of the flue gas is stored in a heat storage tank in a heat exchanger, the other part of the system does not use heat energy to generate cold energy under the action of lithium bromide absorption refrigeration and stores the cold energy in the cold storage tank, so that the system realizes the combined production of cold, heat and electricity, the carbon emission and the energy consumption are greatly reduced, the system meets diversified energy structures of heat supply, heat supply and power supply, the system is small and flexible, and different user requirements can be met in the face of different users.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art are briefly introduced below; it is obvious that the drawings in the following description are some embodiments of the utility model, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
FIG. 1 is a schematic diagram of a combined cooling, heating and power cogeneration coupling system of a gas turbine-Kalina combined cycle in accordance with an embodiment of the present invention;
FIG. 2 is a schematic diagram of a dual effect lithium bromide refrigeration module in an embodiment of the present invention;
in the figure, 100, a gas turbine module; 200. a Kalina cycle module; 300. a cooling and heating module;
1. a first compressor; 2. a first heat regenerator; 3. a combustion chamber; 4. a gas turbine; 5. a first generator;
6. a second regenerator; 7. an ammonia turbine; 8. a second generator; 9. a first mixer; 10. a first throttle valve; 11. a third regenerator; 12. a separator; 13. a first evaporator; 14. a working medium pump; 15. a first condenser;
16. a second mixer; 17. a heat storage tank; 18. a heat exchanger; 19. a first regulating valve; 20. a lithium bromide absorption refrigeration module; 21. a cold storage tank;
22. a first generator; 23. a fourth regenerator; 24. a fifth regenerator; 25. a second generator; 26. a second condenser; 27. a second evaporator; 28. an absorber; 29. a second regulating valve; 30. a third regulating valve; 31. a second throttle valve.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the utility model described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The utility model is described in further detail below with reference to the accompanying drawings:
referring to fig. 1, a combined cooling, heating and power cogeneration coupling device based on a Kalina combined cycle of a gas turbine according to an embodiment of the present invention includes:
a first compressor 1 for compressing air; the first compressor 1 is provided with an inlet and an outlet; the compressor adopts a multi-stage centrifugal compressor and has the advantages of high pressure ratio and high efficiency;
a first recuperator 2 for preheating fuel and compressed air; the first heat regenerator 2 is provided with a first cold flow inlet, a first cold flow outlet, a second cold flow inlet, a second cold flow outlet, a hot flow inlet and a hot flow outlet; the first cold flow inlet is used for introducing fuel; the second cold flow inlet is communicated with the outlet of the first compressor 1;
the combustion chamber 3 is used for combusting fuel and outputting smoke within a preset temperature range; the combustion chamber 3 is provided with a first inlet, a second inlet and a flue gas outlet; a first inlet of the combustion chamber 3 is communicated with a first cold flow outlet of the first heat regenerator 2, and a second inlet of the combustion chamber 3 is communicated with a second cold flow outlet of the first heat regenerator 2;
the gas turbine 4 is used for utilizing the smoke output by the combustion chamber 3 to expand and do work to drive a generator to generate electricity; the gas turbine 4 is provided with an inlet and an outlet; an inlet of the gas turbine 4 is communicated with a flue gas outlet of the combustion chamber 3;
the second heat regenerator 6 is used for heating the saturated ammonia-rich steam output from the outlet of the separator 12 by using the exhaust gas output from the outlet of the gas turbine 4, so that the saturated ammonia-rich steam forms superheated steam, and the working capacity of the ammonia turbine 7 is improved; the second heat regenerator 6 is provided with a cold flow inlet, a cold flow outlet, a hot flow inlet and a hot flow outlet; the heat flow inlet of the second heat regenerator 6 is communicated with the outlet of the gas turbine 4;
the ammonia gas turbine 7 is used for converting the heat energy of the high-temperature ammonia-rich steam into mechanical energy to drive the generator to rotate and convert the mechanical energy into electric energy; the ammonia turbine 7 is provided with an inlet and an outlet; the inlet of the ammonia turbine 7 is communicated with the cold flow outlet of the second heat regenerator 6;
a first mixer 9 for isobaric mixing of the turbine exhaust steam with the lean ammonia solution to produce a basic ammonia solution; the first mixer 9 is provided with a first inlet, a second inlet and an outlet; a first inlet of the first mixer 9 is communicated with an outlet of the ammonia turbine 7;
the first condenser 15 is used for completely condensing the mixed working medium generated by the mixer into a supercooled basic ammonia solution; the first condenser 15 is provided with a cold flow inlet, a cold flow outlet, a hot flow inlet and a hot flow outlet; the hot flow inlet of the first condenser 15 is communicated with the outlet of the first mixer 9; the cold flow inlet and the cold flow outlet of the first condenser 15 are respectively used for introducing and discharging cooling water;
the third heat regenerator 11 is used for heating the supercooled basic ammonia water solution by using the saturated poor ammonia solution output by the separator 12, improving the inlet temperature of the working medium at the inlet of the first evaporator 13, and being beneficial to improving the thermal efficiency of high-temperature Kalina cycle; the third heat regenerator 11 is provided with a cold flow inlet, a cold flow outlet, a hot flow inlet and a hot flow outlet; the hot flow outlet of the first condenser 15 is communicated with the cold flow inlet of the third regenerator 11; the hot flow outlet of the third regenerator 11 is communicated with the second inlet of the first mixer 9 after passing through a first throttle valve 10;
a separator 12 for separating the basic aqueous ammonia solution in the two-phase zone into a saturated ammonia-rich vapor and a saturated ammonia-lean solution, producing two streams of constant temperature and pressure; the separator 12 is provided with an inlet, a gas phase outlet and a liquid phase outlet; the liquid phase outlet of the separator 12 is communicated with the heat flow inlet of the third regenerator 11; the gas phase outlet of the separator 12 is communicated with the cold flow inlet of the second regenerator 6;
the first evaporator 13 is used for heating the basic ammonia water solution, fully utilizing the waste heat of the flue gas and heating the basic ammonia water solution to a two-phase region; the first evaporator 13 is provided with a cold flow inlet, a cold flow outlet, a hot flow inlet and a hot flow outlet; the cold flow inlet of the first evaporator 13 is communicated with the cold flow outlet of the third regenerator 11; the cold flow outlet of the first evaporator 13 is communicated with the inlet of the separator 12; the heat flow inlet of the first evaporator 13 is communicated with the heat flow outlet of the second regenerator 6; the hot flow outlet of the first evaporator 13 is communicated with the hot flow inlet of the first heat regenerator 2;
the second mixer 16 is used for mixing the first air extraction and the second air extraction, and because the first air extraction parameter is higher than the second air extraction parameter, the heat of the flue gas entering the cooling and heating module 300 is changed by adjusting the proportion of the first air extraction and the second air extraction, so that the adjustment of cooling capacity and heating capacity is realized; the second mixer 16 is provided with a first inlet, a second inlet and an outlet; a first inlet of the second mixer 16 is communicated with an outlet of the gas turbine 4, and a second inlet of the second mixer 16 is communicated with a hot flow outlet of the second regenerator 6;
and a cooling and heating module 300 for supplying heat and cooling based on the output of the second mixer 16.
The embodiment of the utility model provides a combined cooling, heating and power generation coupling system based on gas turbine-Kalina combined cycle, which comprises a gas turbine module 100, a high-temperature Kalina cycle module 200 and a cooling and heating module 300, adopts the idea of gradient utilization of energy, preheat 3 import fuels of combustion chamber, the heat loss of combustion chamber 3 has been reduced, adopt high temperature Kalina circulation, cooling and heat supply technique utilize gas turbine high temperature exhaust's waste heat, realized satisfying heat supply and cooling in the power supply, compare in traditional gas steam combined cycle, carbon emission and energy resource consumption have been reduced greatly, the heat supply that the system satisfies, the diversified energy structure of heat supply and power supply, make the system little and nimble, in the face of different users, can satisfy different user demands. For the gas turbine module 100, the exhaust waste heat of the high-temperature Kalina is used for preheating the fuel and the compressed air, the combustion chamber 3 generates high-temperature and high-pressure gas, the high-parameter gas is sent into the gas turbine 4 to expand and do work, the heat energy in the gas turbine 4 is converted into mechanical energy, and the rotor of the gas turbine 4 and the rotor of the generator rotate to convert the mechanical energy into electric energy. The waste heat of the exhaust gas of the gas turbine is further utilized by utilizing the cascade utilization principle of energy and adopting a high-temperature Kalina circulating waste heat utilization technology and a heat supply and heat supply technology, thereby reducing the energy consumption
And (4) loss. The exhaust of the gas turbine is partially exhausted, the first exhaust and the second exhaust are mixed, the ratio of the flow of the first exhaust and the flow of the second exhaust is adjusted to adjust the cooling and heating load for users, after the two flows of exhaust are mixed in the mixer, the mixture enters the heat exchanger 18 to release heat, the part with higher temperature enters the heat storage tank 17 to supply heat for users, and when more heat is supplied for the usersMore heat energy is transferred to the heat storage tank 17, and a part of the cooled waste gas is discharged.
The embodiment of the utility model adopts a strategy of utilizing waste heat of a gas turbine by high-temperature Kalina cycle, adopts a multi-stage heat regeneration mode, heats the ammonia-rich steam separated by the separator 12 again in the high-temperature Kalina cycle, improves the work capacity of the ammonia turbine 7, and fully utilizes a mode of gradually decreasing the temperature by the second heat regenerator 6 and the evaporator, so that the temperature difference between heat exchange media is small, and the generated heat is reduced
The loss is small. Besides, the second heat regenerator 6 is used for partially exhausting the waste heat flue gas, the flue gas at the outlet of the evaporator is first exhaust gas, and the first exhaust gas is used for waste heat of fuel and compressed air, so that the heat loss of the combustion chamber 3 is reduced.
In an embodiment of the present invention, the cooling and heating module 300 includes:
the heat exchanger 18 adopts a shell-and-tube heat exchanger, and is used for exchanging heat of two media of fluid;
a heat storage tank 17, wherein the heat storage tank 17 is used for storing heat generated by the heat exchanger 18, and the stored heat energy is used for supplying heat for users;
the lithium bromide absorption refrigeration module 20 is used for inputting the waste heat of the flue gas and outputting cold energy, and the output cold energy is stored in the cold storage tank 21; the exemplary alternative includes several main parts including a first generator 22, a fourth regenerator 23, a fifth regenerator 24, a second generator 25, a second condenser 26, a second evaporator 27, an absorber 28, a second regulating valve 29, a third regulating valve 30, and a second throttle valve 31.
The embodiment of the utility model further provides a double-effect lithium bromide refrigeration system, which is divided into a lithium bromide aqueous solution cycle and a refrigerant cycle, wherein a dilute lithium bromide aqueous solution in a first generator 22 absorbs heat of flue gas and is converted into high-pressure refrigerant steam, the lithium bromide solution after temperature rise and pressure rise is converted into an intermediate-concentration solution, the high-pressure refrigerant steam is used as a heat source of a second generator 25, heat is released in the second generator 25 to generate low-pressure refrigerant steam, the high-pressure refrigerant steam is condensed into refrigerant water, the refrigerant water and the low-pressure refrigerant steam are sent into a condenser, the refrigerant water and the low-pressure refrigerant steam are condensed into a liquid refrigerant in the condenser, the heat of the refrigerant is absorbed in an evaporator, and the refrigerant plays a role in transferring cold energy. In addition, in the cooling and heating modules, a bypass control is added for the lithium bromide absorption refrigeration, so that the heat entering the lithium bromide absorption refrigerator is adjusted, and the adjustment of the refrigerating capacity is realized. Except that, because the temperature of first bleed is higher than the second and bleeds, to the regulation of first bleed and the second flow proportion of bleeding, can also realize the regulation to cooling and heat supply load. The cold energy generated by the lithium bromide absorption refrigeration is transmitted through the refrigerant water, one part of the cold energy is provided for the user, and the redundant cold energy is stored in the cold storage tank 21. Corresponding thermal energy is similar, and a part of the thermal energy generated by the heat exchanger 18 is used for user heating, and the surplus thermal energy is stored in the thermal storage tank 17.
The embodiment of the utility model provides a distributed energy source combined cooling heating power generation coupling system, which is a combined cooling heating power generation coupling device based on a gas turbine Kalina combined cycle, and mainly comprises three parts, namely a gas turbine module 100, a Kalina cycle module 200 and a cooling and heating module 300.
The gas turbine module 100 mainly comprises a first compressor 1, a first regenerator 2, a combustion chamber 3, a gas turbine 4, a first generator 5 and the like; wherein, the fuel is natural gas, which is preheated by the first heat regenerator 2 and then is introduced into the combustion chamber 3; after the air is compressed in the first compressor 1, the pressure is increased, and the first compressor 1 is connected with the first heat regenerator 2; increasing the temperature of the natural gas fuel and the compressed air in the first recuperator 2; the combustion chamber 3 is connected with the gas turbine 4, and the high-temperature and high-pressure flue gas in the combustion chamber 3 is sent to the gas turbine 4 to expand and do work, so that the first generator 5 is driven to generate electricity.
The Kalina cycle module 200 mainly comprises an evaporator, a separator 12, a second heat regenerator 6, an ammonia turbine 7, a second generator 8, a first mixer 9, a third heat regenerator 11, a first heat regenerator 2, a condenser and the like; wherein, the exhaust gas of the gas turbine 4 in the gas turbine module 100 firstly passes through the second heat regenerator 6 and then passes through the evaporator, and the waste heat flue gas generated by the evaporator is named as first exhaust gas; at the inlet of the evaporator, basic ammonia water solution enters the evaporator to absorb the residual heat of the flue gas, and enters the two-phase region from the supercooling region.
The ammonia water solution after the temperature rise enters a separator for separation, and saturated ammonia-rich steam and saturated ammonia-poor solution are respectively separated; the saturated ammonia-rich steam enters a high-temperature second heat regenerator 6, the temperature is raised again, the saturated ammonia-rich steam enters an ammonia turbine 7 to be expanded and do work, the ammonia turbine 7 and a second generator 8 are coaxially arranged, a rotor rotating at a high speed drives the generator to generate electricity, and the ammonia-rich steam which completes the expansion and do work in the ammonia turbine 7 enters a first mixer 9.
The saturated ammonia-poor solution at the lower outlet of the separator 12 releases a part of heat energy in the third regenerator 11; the cooled lean ammonia solution is throttled and depressurized under the action of a second throttle valve 31 until the backpressure of a turbine is consistent; is mixed with the ammonia-rich vapor at an intermediate pressure in a first mixer 9 to produce a basic aqueous ammonia solution; the mixed basic ammonia solution enters a condenser and is condensed into a supercooled liquid by cooling water; under the action of the working medium pump 14, the pressure is raised, and the basic ammonia water solution is sent to the third heat regenerator 11 to absorb the heat energy of the high-temperature ammonia-poor solution, so that the whole thermal cycle of the high-temperature Kalina is completed.
In the Kalina cycle module 200 according to the embodiment of the present invention, the second regenerator 6, the third regenerator 11, and the evaporator make full use of the small temperature difference among the heat transfer media, which results in
The loss is little advantage, has carried out partly at second regenerator 6 and has extracted the name second and bleed to the waste heat flue gas, and the second is bled and is used for cooling heat supply module 300.
In the embodiment of the present invention, the cooling and heating module 300 includes a lithium bromide absorption refrigeration module 20, a heat exchanger 18, a heat storage tank 17 and a cold storage tank 21, and the heat storage tank 17 and the cold storage tank 21 respectively realize heat supply and cold supply; the lithium bromide absorption refrigeration module 20 adopts a double-effect lithium bromide refrigeration system.
The double-effect lithium bromide refrigeration system comprises the following components: the system comprises a first generator 22 (a high-pressure generator), a second generator 25 (a low-pressure generator), a second condenser 26, a second evaporator 27, a fourth heat regenerator 23 (a high-temperature heat regenerator), a fifth heat regenerator 24 (a low-temperature heat regenerator), an absorber 28, a valve and the like; the working medium in the system adopts lithium bromide water solution, the flue gas plays a role in heat release, the main role of cooling water is condensation, and the refrigerant water plays a role in refrigerant, so that cold energy is provided for users. The double-effect lithium bromide refrigeration system is divided into a lithium bromide water solution circulation and a refrigerant circulation.
Specifically, the lithium bromide aqueous solution circulates, and the dilute solution of lithium bromide is at the outlet of the absorber 28, and flows through the fifth heat regenerator and the fourth heat regenerator respectively under the pressurization action of the pressurization working medium pump, and the temperature is gradually increased; the flue gas enters a first generator, absorbs the heat of the flue gas, is converted into high-pressure refrigerant steam, enters a fourth heat regenerator for cooling, and is converted into intermediate-concentration solution; after the high-pressure refrigerant steam enters the second generator, low-pressure refrigerant steam is generated, and the high-pressure refrigerant steam is condensed into refrigerant water; the lithium bromide concentrated solution enters the absorber 28 after being cooled by the fifth heat regenerator, and is mixed with the refrigeration absorbent of the refrigeration cycle to generate a lithium bromide dilute solution. In the refrigerant circulation, high-pressure refrigerant steam enters the second generator 25 to be used as a heat source of the second generator 25, heat is released in the second generator 25 to generate low-pressure refrigerant steam, and the high-pressure refrigerant steam is condensed into refrigerant water; refrigerant water and low-pressure refrigeration steam enter a condenser together, and are condensed into a liquid refrigerant under the action of cooling water; the liquid refrigerant is throttled and depressurized under the action of the second throttle valve 31 and is sent into the evaporator; in the evaporator, the liquid refrigerant absorbs the heat of the refrigerant water, so that the refrigerant water is cooled, and the cold energy is transferred through the refrigerant water to generate a refrigeration effect; the refrigerant absorbing heat in the evaporator is sent to the absorber 28 to be mixed with the lithium bromide concentrated solution to generate a lithium bromide dilute solution, and finally the whole refrigeration cycle is completed.
In the cooling module, a bypass control is added to the lithium bromide absorption refrigeration to adjust the heat entering the lithium bromide absorption refrigerator, so that the refrigeration capacity is adjusted. Except that, because the temperature of first bleed is higher than the second and bleeds, to the regulation of first bleed and the second flow proportion of bleeding, can also realize the regulation to cooling and heat supply load. The cold energy generated by the lithium bromide absorption refrigeration is transmitted through the refrigerant water, one part of the cold energy is provided for the user, and the redundant cold energy is stored in the cold storage tank 21. Corresponding thermal energy is similar, and a part of the thermal energy generated by the heat exchanger 18 is used for user heating, and the surplus thermal energy is stored in the thermal storage tank 17.
The operation method of the combined cooling heating and power coupling device based on the Kalina combined cycle of the gas turbine comprises the following steps:
step 1, air is sent into a first compressor 1, compressed into high-pressure air, then preheated by a second heater together with fuel, and sent into a combustion chamber 3 to be mixed and combusted together to generate high-temperature and high-pressure flue gas, the high-temperature and high-pressure flue gas expands in a gas turbine 4 to do work to drive a generator to generate electric energy, the temperature of the flue gas at an exhaust port of the gas turbine 4 is still high, and the high-temperature and high-pressure flue gas can be used for a high-temperature Kalina module and a cooling and heating module 300;
step 4, the flue gas enters a heat exchanger 18 to exchange heat with heat conduction oil, and the heat conduction oil with the increased temperature is sent into a heat storage tank 17 to supply heat;
and 5, using a part of the flue gas in the heat exchanger 18 for a cooling module, and using a first regulating valve 19 as a bypass for regulation, wherein when the flow rate of the bypass flue gas is larger, the heat energy entering the cooling module is higher, the flue gas entering the cooling module releases heat to high-pressure refrigerant steam in a first generator 22, the heat is released in a second generator 25 to generate low-pressure refrigerant steam, the high-pressure refrigerant steam is condensed into refrigerant water, the low-pressure refrigerant steam and the refrigerant water enter a condenser to be condensed into liquid refrigerant, and the liquid refrigerant is throttled and depressurized under the action of a second throttling valve 31 and is sent into an evaporator. In the evaporator, the liquid refrigerant absorbs the heat of the refrigerant water, so that the refrigerant water is cooled, the cold energy is transferred through the refrigerant water to generate a refrigeration effect, the refrigerant in the evaporator absorbs the heat and then is sent into the absorber 28 to be absorbed by the concentrated lithium bromide solution to generate a dilute lithium bromide solution, the dilute lithium bromide solution is at the outlet of the absorber 28, and the refrigerant flows through the fifth heat regenerator 24 and the fourth heat regenerator 23 respectively under the pressurization effect of the working medium pump 14, is gradually heated, then enters the first generator 22 to absorb the heat of the flue gas, and finally completes the whole thermodynamic cycle.
Referring to fig. 1, fig. 1 shows a combined cooling, heating and power cogeneration coupling system of a gas turbine-Kalina combined cycle, which mainly comprises three parts, namely a gas turbine module 100, a Kalina cycle module 200 and a cooling and heating module 300.
In the gas turbine module 100, the first compressor 1, the first regenerator 2, the combustor 3, the gas turbine 4, the first generator 5, and so on are included, the fuel is natural gas, and the pressure of the air is increased after the air is compressed in the first compressor 1. In order to improve the heat efficiency, the fuel and the compressed air are sent into the first heat regenerator 2 to exchange heat with the first exhaust gas at the outlet of the high-temperature Kalina evaporator, so that the temperature of the fuel entering the combustion chamber 3 is improved, and the heat loss is reduced. The fuel and the high-pressure air are premixed and combusted in the combustion chamber 3 to generate high-temperature and high-pressure gas, the high-parameter gas is sent into the gas turbine 4 to expand and do work, the heat energy in the gas turbine 4 is converted into mechanical energy, and the rotor of the gas turbine 4 and the rotor of the generator rotate to convert the mechanical energy into electric energy. Further, the exhaust temperature of the gas turbine 4 is still high, and it is necessary to reduce the heat exchange temperature difference, which reduces the heat exchange rate
Loss requires further utilization of the exhaust gas waste heat of the gas turbine by other waste heat utilization technologies.
In Kalina cycle module 200, the system mainly comprises an evaporator, a separator, a second heat regenerator, an ammonia turbine, a generator, a mixer, a third heat regenerator, a first heat regenerator, a condenser and the like. The exhaust of the gas turbine firstly passes through the second heat regenerator and then passes through the evaporator, the generated waste heat smoke is named as first exhaust, at the inlet of the evaporator, basic ammonia water solution enters the evaporator to absorb the waste heat of the smoke, the waste heat is converted into a two-phase region from a supercooling region, the warmed ammonia water solution enters a separator to be separated, saturated ammonia-rich steam and saturated ammonia-poor solution are respectively separated, the saturated ammonia-rich steam enters the second heat regenerator with high temperature, the temperature is raised again and then enters an ammonia turbine to be expanded to do work, the turbine ammonia and a generator are coaxially arranged, a rotor rotating at high speed drives the generator to generate electricity, and the ammonia-rich steam completing the expansion to do work in the ammonia turbine enters a mixer. The temperature and pressure of the saturated poor ammonia solution at the outlet of the lower end of the separator are consistent with the rich ammonia steam at the inlet of the ammonia turbine, so that high heat energy is provided, a part of heat energy is released through the third heat regenerator, throttling and pressure reduction are realized under the action of the throttle valve, the saturated poor ammonia solution and the rich ammonia steam are subjected to medium-pressure mixing in the mixer to generate a basic ammonia water solution, the basic ammonia water solution enters the condenser and is condensed into a supercooled liquid by cooling water, the pressure is increased under the action of the working medium pump, the basic ammonia water solution is sent to the third heat regenerator to absorb the heat energy of the high-temperature poor ammonia solution, and the whole high-temperature Kalina thermodynamic cycle is completed. The second regenerator, the third regenerator and the evaporator fully utilize the small temperature difference among the heat exchange media, and the heat exchange media are used
The loss is little advantage, has carried out partly at the second regenerator and has extracted air to the waste heat flue gas, and the second is extracted air and is used for cooling and heating module.
The cold and hot supply modules respectively comprise a lithium bromide absorption refrigeration unit, a heat exchanger, a heat storage tank and a cold storage tank, and the heat storage tank and the cold storage tank respectively realize heat supply and cold supply.
The method comprises the following steps that part of exhaust air of the gas turbine is exhausted, the first exhaust air and the second exhaust air are mixed, the ratio of the flow of the first exhaust air and the flow of the second exhaust air is adjusted to adjust the cooling and heating load for a user, two strands of exhaust air are mixed in a mixer and then enter a heat exchanger, after heat exchange, the part with higher temperature enters a heat storage tank to supply heat for the user, when the heat supply is more, more heat energy is conveyed into the heat storage tank, the cooled part of waste gas is exhausted, and the exhausted waste gas is used for preheating fuel and air of the gas turbine; and the other part of the flue gas is used for lithium bromide absorption refrigeration to provide cold energy.
Referring to fig. 2, the lithium bromide absorption refrigeration system adopts a double-effect lithium bromide refrigeration system, which includes: the system comprises a first generator 22, a fourth regenerator 23, a fifth regenerator 24, a second generator 25, a second condenser 26, a second evaporator 27, an absorber 28, a second regulating valve 29, a third regulating valve 30, a second throttling valve 31 and the like, wherein the working medium in the system adopts a lithium bromide aqueous solution, the flue gas plays a role in heat release, the cooling water mainly plays a role in condensation, and the refrigerant water plays a role in refrigerant and provides cold energy for users.
The double-effect lithium bromide refrigeration system is divided into a lithium bromide water solution circulation and a refrigerant circulation. For the circulation of the lithium bromide aqueous solution, the dilute solution of lithium bromide is at the outlet of the absorber 28, and flows through the fifth heat regenerator 24 and the fourth heat regenerator 23 respectively under the pressurization action of the pressurization working medium pump, the temperature is gradually raised, then the dilute solution enters the first generator 22, the heat of the flue gas is absorbed and converted into high-pressure refrigerant steam, the lithium bromide solution after the temperature and the pressure are raised becomes an intermediate concentration solution, then the intermediate concentration solution enters the second generator 25 after the temperature is reduced by the fourth heat regenerator 23 again, and the concentrated solution after the further concentration enters the absorber 28 after the temperature is reduced by the fifth heat regenerator. In the refrigerant cycle, high-pressure refrigerant steam is used as a heat source of the second generator 25, heat is released in the second generator 25 to generate low-pressure refrigerant steam, the high-pressure refrigerant steam is condensed into refrigerant water, the low-pressure refrigerant steam and the refrigerant water enter the second condenser 26 together to be condensed into liquid refrigerant, and the liquid refrigerant is throttled and depressurized under the action of the second throttle valve 31 and is sent into the second evaporator 27. In the second evaporator 27, the liquid refrigerant absorbs the heat of the refrigerant water, so that the refrigerant water is cooled, the cold energy is transferred through the refrigerant water to generate a refrigeration effect, the refrigerant in the second evaporator 27 absorbs the heat and then is sent into the absorber 28, and is absorbed by the lithium bromide concentrated solution to generate a lithium bromide dilute solution, and finally the whole refrigeration cycle is completed.
In the cooling and heating module, a bypass control is added for the lithium bromide absorption refrigeration, the heat entering the lithium bromide absorption refrigerator is adjusted, the adjustment of the refrigerating capacity is realized, the cold energy generated by the lithium bromide absorption refrigeration provides cold energy for users through a part of refrigerant water, and the redundant cold energy is stored in the cold storage tank. The corresponding heat energy is similar, the heat energy generated by the heat exchanger is used for supplying heat for users, and the surplus heat energy is stored in the heat storage tank.
In summary, the utility model discloses a combined cooling, heating and power cogeneration coupling system based on a gas turbine-Kalina combined cycle, which comprises a gas turbine module, a high-temperature Kalina module and a cooling and heating module. The idea of gradient utilization of energy is adopted to preheat the fuel at the inlet of the combustion chamber, so that the heat loss of the combustion chamber is reduced, and the waste heat of high-temperature exhaust of the gas turbine is realized by utilizing high-temperature Kalina circulation and cooling and heating technologies; the double-effect lithium bromide refrigeration system is provided, the cold energy is transferred to the cold storage tank through the refrigerant water, the heat energy generated by the heat exchanger is stored in the heat storage tank, and the heat supply and the cold supply are met while the power is supplied; the flow proportion of the first air exhaust and the second air exhaust is adjusted, the input heat of the heat supply and heat supply module is adjusted, the lithium bromide refrigeration is controlled in a bypass mode, and the cooling capacity is adjusted according to the user requirements. Compared with the traditional gas and steam combined cycle, the carbon emission and the energy consumption are greatly reduced, and the diversified energy structures of heat supply, heat supply and power supply, which are met by the system, enable the system to be small and flexible, and can meet different user requirements in the face of different users.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the embodiments of the utility model without departing from the spirit and scope of the utility model, which is to be covered by the claims.
Claims (8)
1. A combined cooling, heating and power cogeneration coupling device based on a gas turbine Kalina combined cycle is characterized by comprising:
a first compressor (1) for taking compressed air;
the first heat regenerator (2) is used for inputting fuel and compressed air obtained by the first compressor (1) and preheating the fuel and the compressed air;
the combustion chamber (3) is used for inputting the fuel and the compressed air preheated by the first heat regenerator (2) and carrying out fuel combustion to output flue gas in a preset temperature range;
the gas turbine (4) is used for inputting the smoke output by the combustion chamber (3) and performing expansion work to drive a generator to generate electricity;
a separator (12) for inputting the basic ammonia water solution of the two-phase region, separating and outputting saturated ammonia-rich steam and saturated ammonia-poor solution;
a second regenerator (6) for heating the saturated ammonia-rich steam output by the separator (12) by using a part of the exhaust gas output by the gas turbine (4);
the ammonia gas turbine (7) is used for converting the heat energy of the saturated ammonia-rich steam heated by the second heat regenerator (6) into mechanical energy so as to drive a generator to generate electricity;
the third regenerator (11) is used for heat exchange of the saturated ammonia-poor solution output by the separator (12);
the first mixer (9) is used for isobaric mixing of the exhaust steam output by the ammonia turbine (7) and the saturated lean ammonia solution heated by the third heat regenerator (11) and outputting a basic ammonia water solution mixed working medium;
the first condenser (15) is used for condensing the basic ammonia water solution mixed working medium output by the first mixer (9) into a supercooled basic ammonia water solution; the saturated lean ammonia solution is used as a heating medium for the third regenerator (11) to heat the supercooled basic ammonia solution;
a first evaporator (13) for exchanging heat of the basic ammonia solution after heat exchange in the third regenerator (11) with a portion of the exhaust gas after heat exchange in the second regenerator (6); exhaust gas after heat exchange in the first evaporator (13) is used as exhaust gas of the first evaporator (13) and is used as a heating medium for preheating in the first heat regenerator (2); the basic ammonia water solution after heat exchange in the first evaporator (13) is a basic ammonia water solution in a two-phase region and is output to the separator (12);
a second mixer (16) for mixing and outputting the first and second extraction air; the first extraction air is the other part of exhaust gas output by the gas turbine (4), and the second extraction air is the other part of exhaust gas after heat exchange of the second heat regenerator (6);
and the cooling and heating module is used for realizing heating and cooling based on the output of the second mixer (16).
2. A combined cooling, heating and power coupling device based on a gas turbine Kalina combined cycle in accordance with claim 1, wherein the cooling and heating module comprises:
the heat exchanger (18) is used for exchanging heat of the two fluid media according to the output of the second mixer (16) and outputting heat;
a heat storage tank (17) for storing heat output by the heat exchanger (18);
the lithium bromide absorption refrigeration module (20) is used for inputting the flue gas subjected to heat exchange in the heat exchanger (18), performing heat exchange of two fluid media and outputting cold energy;
and the cold storage tank (21) is used for storing the cold energy output by the lithium bromide absorption refrigeration module (20).
3. A combined cooling, heating and power cogeneration coupling device based on a gas turbine Kalina combined cycle as claimed in claim 2, wherein said lithium bromide absorption refrigeration module (20) is further configured to input the output of said second mixer (16) to adjust the refrigeration capacity.
4. A combined cooling, heating and power cogeneration coupling device based on a gas turbine Kalina combined cycle according to claim 2, wherein said lithium bromide absorption refrigeration module (20) comprises: a first generator (22), a second generator (25), a second condenser (26), a second evaporator (27), a fourth regenerator (23), a fifth regenerator (24) and an absorber (28);
the first generator (22) is provided with a flue gas inlet, a flue gas outlet, a cold flow inlet, a gas phase outlet and a liquid phase outlet; the second generator (25) is provided with a gas phase inlet, a liquid phase inlet, a first gas phase outlet, a second gas phase outlet and a liquid phase outlet;
the smoke inlet and the smoke outlet of the first generator (22) are respectively used for introducing and discharging smoke; the cold flow inlet of the first generator (22) is communicated with the outlet of the absorber (28) through the cold flow channels of the fourth regenerator (23) and the fifth regenerator (24) in sequence;
the gas phase outlet of the first generator (22) is communicated with the gas phase inlet of the second generator (25), and the liquid phase outlet of the first generator (22) is communicated with the liquid phase inlet of the second generator (25) through the heat flow channel of the fourth regenerator (23);
the liquid phase outlet of the second generator (25) is communicated with the first inlet of the absorber (28) through the heat flow channel of the fifth regenerator (24); the first gas phase outlet and the second gas phase outlet of the second generator (25) are communicated with the second inlet of the absorber (28) through the heat flow channels of the second condenser (26) and the second evaporator (27) in sequence.
5. A combined cooling, heating and power cogeneration coupling device based on a gas turbine Kalina combined cycle as claimed in claim 1, further comprising:
a first generator (5) for generating electricity based on the driving of the gas turbine (4).
6. A combined cooling, heating and power cogeneration coupling device based on a gas turbine Kalina combined cycle as claimed in claim 1, further comprising:
a second generator (8) for generating electricity based on the driving of the ammonia turbine (7).
7. A combined cooling, heating and power cogeneration coupling device based on a gas turbine Kalina combined cycle as claimed in claim 1, further comprising:
and a heat flow outlet of the condenser is communicated with a cold flow inlet of the third heat regenerator (11) through the working medium pump (14).
8. The combined cooling, heating and power generation coupling device based on the Kalina combined cycle of the gas turbine as claimed in claim 1,
the first compressor (1) is provided with an inlet and an outlet;
the first heat regenerator (2) is provided with a first cold flow inlet, a first cold flow outlet, a second cold flow inlet, a second cold flow outlet, a first hot flow inlet and a first hot flow outlet; the first cold flow inlet is used for introducing fuel; the second cold flow inlet is communicated with the outlet of the first compressor (1);
the combustion chamber (3) is provided with a first inlet, a second inlet and an outlet; a first inlet of the combustion chamber (3) is communicated with a first cold flow outlet of the first heat regenerator (2), and a second inlet of the combustion chamber (3) is communicated with a second cold flow outlet of the first heat regenerator (2);
the gas turbine (4) is provided with an inlet and an outlet; the inlet of the gas turbine (4) is communicated with the outlet of the combustion chamber (3);
the second heat regenerator (6) is provided with a cold flow inlet, a cold flow outlet, a hot flow inlet and a hot flow outlet; the heat flow inlet of the second heat regenerator (6) is communicated with the outlet of the gas turbine (4);
the ammonia turbine (7) is provided with an inlet and an outlet; the inlet of the ammonia turbine (7) is communicated with the cold flow outlet of the second heat regenerator (6);
the first mixer (9) is provided with a first inlet, a second inlet and an outlet; the first inlet of the first mixer (9) is communicated with the outlet of the ammonia turbine (7);
the first condenser (15) is provided with a cold flow inlet, a cold flow outlet, a hot flow inlet and a hot flow outlet; the hot flow inlet of the first condenser (15) is communicated with the outlet of the first mixer (9); the cold flow inlet and the cold flow outlet of the condenser are respectively used for introducing and discharging cooling media;
the third heat regenerator (11) is provided with a cold flow inlet, a cold flow outlet, a hot flow inlet and a hot flow outlet; the hot flow outlet of the condenser is communicated with the cold flow inlet of the third heat regenerator (11); the hot flow outlet of the third regenerator (11) is communicated with the second inlet of the first mixer (9) after passing through a first throttle valve (10);
the separator (12) is provided with an inlet, a gas phase outlet and a liquid phase outlet; the liquid phase outlet of the separator (12) is communicated with the cold flow inlet of the third regenerator (11); the gas phase outlet of the separator (12) is communicated with the cold flow inlet of the second regenerator (6);
the first evaporator (13) is provided with a cold flow inlet, a cold flow outlet, a hot flow inlet and a hot flow outlet; the cold flow inlet of the first evaporator (13) is communicated with the cold flow outlet of the third regenerator (11); the cold flow outlet of the first evaporator (13) is communicated with the inlet of the separator (12); the heat flow inlet of the first evaporator (13) is communicated with the heat flow outlet of the second regenerator (6); the hot flow outlet of the first evaporator (13) is communicated with the hot flow inlet of the first heat regenerator (2);
the second mixer (16) is provided with a first inlet, a second inlet and an outlet; the first inlet of the second mixer (16) is communicated with the outlet of the gas turbine (4), and the second inlet of the second mixer (16) is communicated with the hot flow outlet of the second regenerator (6).
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