CN104047730A - Gas turbine air inlet cooling system by using cascaded lithium bromide refrigerators - Google Patents
Gas turbine air inlet cooling system by using cascaded lithium bromide refrigerators Download PDFInfo
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- CN104047730A CN104047730A CN201410295750.6A CN201410295750A CN104047730A CN 104047730 A CN104047730 A CN 104047730A CN 201410295750 A CN201410295750 A CN 201410295750A CN 104047730 A CN104047730 A CN 104047730A
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Abstract
The invention relates to a gas turbine air inlet cooling system by using cascaded lithium bromide refrigerators. The gas turbine air inlet cooling system comprises an air-water cooler (1), a gas turbine (2), a first-stage lithium bromide refrigerator (4) and a first air cooler (5), wherein the cooling system is additionally provided with a second-stage lithium bromide refrigerator (6); cold water provided by the first-stage lithium bromide refrigerator (4) is used as cooling water for cooling the second-stage lithium bromide refrigerator (6); the cooling system is additionally provided with a second air cooler (7) for cooling the cooling water of the second-stage lithium bromide refrigerator (6) and providing circulation power; a first-stage evaporator (4-3) of the first-stage lithium bromide refrigerator (4) is also used for providing cold water to a first cooling coiled pipe (1-1) of the first air-water cooler (1) for first-stage cooling of the first air-water cooler (1); a second-stage evaporator (6-3) of the second-stage lithium bromide refrigerator (6) is used for providing cold water to a second cooling coiled pipe (1-2) of the first air-water cooler (1) for second-stage cooling of the first air-water cooler (1). The gas turbine air inlet cooling system is used for reducing the air temperature at the inlet of the gas turbine.
Description
Technical field
Technical field involved in the present invention is Inlet Air Cooling System of Gas Turbine.This system is for reducing the intake air temperature that enters gas turbine.
Background technique
Along with the rising of ambient temperature, Gas Turbine will change, and the decline of exerting oneself, efficiency also reduce.Setting up Inlet Air Cooling System of Gas Turbine, reduce intake air temperature, is to solve the exert oneself season effective ways of decline problem of gas turbine summer high temperature.
In the patent of declaring at Zheng Shuchen " a kind of efficient combustion machine charge air-cooling system of hybrid type low-temperature receiver " (CN 201865771 U), disclose a kind of for water-deficient area, adopt lithium bromide refrigerator and the combined charge air-cooling system of producing low-temperature receiver of electric refrigerating machine.In this system, the cold water that lithium bromide refrigerator (flue gas single-effect type bromine cooling machine) provides is as the cooling water of first order electric refrigerating machine and second level electric refrigerating machine, the setting and first order electric refrigerating machine is connected with the cold water flow process of second level electric refrigerating machine, two-stage electric refrigerating machine is for the cooling high temperature cold water of bringing in from cold-storage tank high temperature, and cooling water becomes low-temperature cold water and enters cold-storage tank low-temperature end again after electric refrigerating machine two-stage refrigeration.Although this employing lithium bromide refrigerator and two-stage electric refrigerating machine can solve as the Inlet Air Cooling System of Gas Turbine of cold source equipment the problem that high temperature period Gas Turbine Output in water-deficient area declines, but still come with some shortcomings:
1) this system, owing to using the multistage electric refrigerating machine of series operation, still needs to consume a large amount of electric energy, for electricity power enterprise, by having reduced the net electric generation of external output, for non-electricity power enterprise, can increase operating cost;
2) chiller plant of system is many, flow process is more complicated.
Summary of the invention
To the object of the invention is that the power consumption of above-mentioned Inlet Air Cooling System of Gas Turbine is large, chiller plant many and the more complicated deficiency of flow process in order overcoming, to provide that a kind of power consumption is little, chiller plant is few and flow process flow process simply adopts the Inlet Air Cooling System of Gas Turbine of superposition type lithium bromide refrigerating mechanism cold.
The object of the present invention is achieved like this: a kind of Inlet Air Cooling System of Gas Turbine that adopts superposition type lithium bromide refrigerator, comprises air-water cooling device, gas turbine, chimney, first order lithium bromide refrigerator, the first air cooling device, the first water pump, the second water pump, the 4th water pump, the first valve and the second valve, arrange the first cooling coil and the second cooling coil in described air-water cooling device, described first order lithium bromide refrigerator comprises first order generator, first order adsorber, first evaporator and first order condenser, the first order condenser of first order lithium bromide refrigerator, first order adsorber cooling water is cooling by the first air cooling device, it is characterized in that: described system has additional second level lithium bromide refrigerator, and this second level lithium bromide refrigerator comprises second level generator, second level adsorber, second level vaporizer and second level condenser, second level lithium bromide refrigerator and first order lithium bromide refrigerator overlapping are used, and the cold water that first evaporator of first order lithium bromide refrigerator provides is as the cooling water of the second level adsorber of cooling second level lithium bromide refrigerator, described system has additional the second air cooling device and the 5th water pump in order to the cooling water of the second level condenser of cooling second level lithium bromide refrigerator and circulation power is provided, described system has additional the 3rd valve, the 4th valve and corresponding connecting tube, wherein the 4th valve is arranged on the cooling water intake pipeline of second level adsorber of second level lithium bromide refrigerator, and the 3rd valve is arranged on the coolant outlet pipeline of second level adsorber of second level lithium bromide refrigerator, the first evaporator of first order lithium bromide refrigerator also provides cold water cooling for the one-level of air-water cooling device to the first cooling coil of air-water cooling device, and the second level vaporizer of second level lithium bromide refrigerator provides cold water cooling for secondary to the second cooling coil of air-water cooling device.
The present invention adopts the Inlet Air Cooling System of Gas Turbine of superposition type lithium bromide refrigerator, the cold water that goes out described first evaporator is divided into two-way, the second level adsorber of the pipeline of leading up to access second level lithium bromide refrigerator is as the cooling water of the second adsorber, after going out described second level adsorber, by pipeline, take back again described first evaporator, the first cooling coil of the pipeline of separately leading up to access air-water cooling device, after going out described the first cooling coil, by pipeline, take back again described first evaporator, and the second valve and the first valve are separately positioned on the cooling water inlet pipeline and cooling water outlet pipeline of the first cooling coil of air-water cooling device, described the second air cooling device and the 5th water pump are separately positioned on the coolant outlet pipeline and cooling water intake pipeline of second level condenser of second level lithium bromide refrigerator, the cooling water outlet of the second level vaporizer of described second level lithium bromide refrigerator accesses the cooling water inlet of the second cooling coil of air-water cooling device by pipeline, the cooling water outlet of the second cooling coil of air-water cooling device takes back the cooling water inlet of the second level vaporizer of second level lithium bromide refrigerator by pipeline, and the 4th water pump is arranged on the cooling water inlet pipeline of the second cooling coil.
The present invention adopts the Inlet Air Cooling System of Gas Turbine of superposition type lithium bromide refrigerator, the high-temperature flue gas that gas turbine is discharged is connected with chimney, the fume pipe that goes out chimney is divided into two-way, the first order generator of one tunnel access first order lithium bromide refrigerator, the second level generator of another access second level, road lithium bromide refrigerator, on the flue gas inlet pipeline of the first order generator of first order lithium bromide refrigerator and smoke outlet pipeline, first order valve and first order blower fan are set respectively, on the flue gas inlet pipeline of the second level of second level lithium bromide refrigerator generator and outlet conduit, second level valve and second level blower fan are set respectively.
The present invention adopts the Inlet Air Cooling System of Gas Turbine of superposition type lithium bromide refrigerator, described system has additional cold-storage tank, the 3rd water pump, the 5th valve and the 6th valve and connecting tube, the low-temperature receiver that provides by from the second level vaporizer of second level lithium bromide refrigerator to cold-storage tank, then to the second cooling coil of air-water cooling device, provide cold water and low-temperature receiver by cold-storage tank.
The present invention adopts the Inlet Air Cooling System of Gas Turbine of superposition type lithium bromide refrigerator, the cold water outlet pipe of the second level vaporizer of second level lithium bromide refrigerator is connected with cold-storage tank bottom low temperature mouth, and the cold water inlet of the second level vaporizer of second level lithium bromide refrigerator is connected with cold-storage tank top high temperature mouth through the 5th valve, the 3rd water pump; Cold-storage tank bottom low temperature mouth is connected with the second cooling coil cooling water inlet of Air-Water heat exchanger through the 6th valve, the 4th water pump, and the second level heat exchanger coiled pipe cooling water outlet of Air-Water heat exchanger is connected with cold-storage tank top high temperature mouth.
A kind of Inlet Air Cooling System of Gas Turbine that adopts superposition type lithium bromide refrigerator of the present invention, in described system, have additional exhaust heat boiler, steam turbine and steam line, exhaust heat boiler is arranged on out on the high-temperature flue gas pipeline that gas turbine enters chimney, steam turbine is arranged on out on the steam line of exhaust heat boiler, go out the steam of steam turbine by first order generator and the lithium bromide refrigerator second level, the second level generator of steam line access in parallel first order lithium bromide refrigerator, on the flue gas inlet pipeline of the first order generator of first order lithium bromide refrigerator, first order valve is set, on the flue gas inlet pipeline of the second level of second level lithium bromide refrigerator generator, second level valve is set.
Compared with the prior art, the present invention adopts the Inlet Air Cooling System of Gas Turbine of superposition type lithium bromide refrigerator to have following useful technique effect:
1) the low-temperature receiver application superposition type lithium bromide refrigerating machine technology of refrigeration, the refrigeration modes that has replaced lithium bromide refrigerator+two-stage electric refrigerating machine, greatly reduce the consumption to electric energy in process of refrigerastion, increased electricity power enterprise and externally exported electric weight (production capacity) or reduced enterprise operation cost.We know, lithium bromide refrigerator is to rely on heat-driven refrigeration, consume hardly electric energy, in gas turbine power generation process, while particularly adopting single cycle mode to generate electricity, discharge be can be used as to a large amount of used heat of lithium bromide refrigerator driving source, and utilize the exhaust heat refrigerating main advantage of technical solution of the present invention just; Electric refrigerating machine is to rely on electric drive refrigeration completely, in process of refrigerastion, power consumption is huge, power consumption accounts for the more than 1/4th of system overall refrigerating effect, that is to say, for electricity power enterprise, adopt cooling the increased gas turbine power generation amount of air inlet, wherein have sizable part to consume again in electric refrigerating machine process of refrigerastion, final result causes the net electric generation of the external output of gas turbine unit to reduce.
2) cooling flow is simple, equipment is few.Cancelled after two-stage electric refrigerating machine, flow process is simplified, and chiller plant also reduces, and connecting pipeline and system are controlled also fairly simple.
3) utilize exhaust heat refrigerating, more favourable to environmental protection.Used heat is used, not only greatly reduced hot driving, and improved generating efficiency, reduced the discharge of other harmful matter such as carbon dioxide in power generation process.
4) be applicable to summer high temperature, water-deficient area.Utilize the characteristic of lithium bromide refrigerator itself, discharge the heat energy of process of refrigerastion in the mode of air cooling, there is no evaporation of water, substantially do not need to consume water, water-saving result is remarkable.
Accompanying drawing explanation
Accompanying drawing 1 is embodiments of the invention 1 structural representations.
Accompanying drawing 2 is embodiments of the invention 2 structural representations.
Accompanying drawing 3 is embodiments of the invention 3 structural representations.
In figure:
Air-water cooling device 1, the first cooling coil 1-1, the second cooling coil 1-2, gas turbine 2, chimney 3, first order lithium bromide refrigerator 4, first order generator 4-1, first order adsorber 4-2, first evaporator 4-3, first order condenser 4-4, first order valve 4-5, first order blower fan 4-6, the first air cooling device 5, second level lithium bromide refrigerator 6, second level generator 6-1, second level adsorber 6-2, second level vaporizer 6-3, second level condenser 6-4, second level valve 6-5, second level blower fan 6-6, the second air cooling device 7, cold-storage tank 8, high temperature mouth 8-1, low temperature mouth 8-2, the first water pump 9, the second water pump 10, the 3rd water pump 11, the 4th water pump 12, the 3rd valve 13, the 4th valve 14, the first valve 15, the second valve 16, the 5th valve 17, the 6th valve 18, the 5th water pump 19, fume pipe 20, exhaust heat boiler 21, steam turbine 22, steam line 23.
Embodiment
Embodiment 1
The embodiment of the present invention 1 is referring to Fig. 1.The present invention adopts the Inlet Air Cooling System of Gas Turbine of superposition type lithium bromide refrigerator, comprise air-water cooling device 1, gas turbine 2, chimney 3, first order lithium bromide refrigerator 4, the first air cooling device 5, the first water pump 9, the second water pump 10, the 4th water pump 12, the first valve 15 and the second valve 16, interior the first cooling coil 1-1 and the second cooling coil 1-2 of arranging of described air-water cooling device 1, described first order lithium bromide refrigerator 4 comprises first order generator 4-1, first order adsorber 4-2, first evaporator 4-3 and first order condenser 4-4, it is characterized in that: described system has additional second level lithium bromide refrigerator 6, this second level lithium bromide refrigerator 6 comprises second level generator 6-1, second level adsorber 6-2, second level vaporizer 6-3 and second level condenser 6-4, second level lithium bromide refrigerator 6 and first order lithium bromide refrigerator 4 overlappings are used, the cooling water outlet that is the first evaporator 4-3 of first order lithium bromide refrigerator 4 accesses the cooling water intake of the second level adsorber 6-2 of second level lithium bromide refrigerator 6 by pipeline, the coolant outlet of the second level adsorber 6-2 of second level lithium bromide refrigerator 6 accesses the cooling water intake of the first evaporator 4-3 of first order lithium bromide refrigerator 4 by pipeline, make cold water that the first evaporator 4-3 of first order lithium bromide refrigerator 4 provides as the cooling water of the second level adsorber 6-2 of cooling second level lithium bromide refrigerator 6, described system is set up the second air cooling device 7 and the 5th water pump 19, this second air cooling device 7 and the 5th water pump 19 are separately positioned on the coolant outlet pipeline and cooling water intake pipeline of second level condenser 6-4 of second level lithium bromide refrigerator 6, in order to the cooling water of the second level condenser 6-4 of cooling second level lithium bromide refrigerator and circulation power is provided, described system is set up the 3rd valve 13, the 4th valve 14 and corresponding connecting tube, and the 4th valve 14 is arranged on the cooling water intake pipeline of second level adsorber 6-2 of second level lithium bromide refrigerator 6, the 3rd valve 13 is arranged on the coolant outlet pipeline of second level adsorber 6-2 of second level lithium bromide refrigerator 6, the cooling water outlet of the first evaporator 4-3 of first order lithium bromide refrigerator 4 also accesses the cooling water inlet of the first cooling coil 1-1 of air-water cooling device 1 by pipeline, the cooling water outlet of the first cooling coil 1-1 of air-water cooling device 1 accesses the cooling water intake of the first evaporator 4-3 of first order lithium bromide refrigerator 4 by pipeline, and on the cooling water inlet pipeline of the first cooling coil 1-1 of air-water cooling device 1 and cooling water outlet pipeline, the second valve 16 and the first valve 15 are set respectively, make the first evaporator 4-3 of first order lithium bromide refrigerator 4 also to the first cooling coil 1-1 of air-water cooling device 1, provide cold water for the one-level of air-water cooling device cooling (its cold water temperature is higher cooling for one-level), the cooling water outlet of the second level vaporizer 6-3 of second level lithium bromide refrigerator 6 also accesses the cooling water inlet of the second cooling coil 1-2 of air-water cooling device 1 by pipeline, the cooling water outlet of the second cooling coil 1-2 of air-water cooling device 1 accesses the cooling water inlet of the second level vaporizer 6-3 of second level lithium bromide refrigerator 6 by pipeline, and the 4th water pump 12 is set on the cooling water inlet pipeline of the second cooling coil 1-2, second level lithium bromide refrigerator vaporizer provides the cold water that temperature is lower cooling for secondary to the second coolship 1-2 of air-water cooling device 1.First order lithium bromide refrigerator 4 and second level lithium bromide refrigerator 6 are selected single-action flue gas type.The high-temperature flue gas that gas turbine 2 is discharged is connected with chimney 3, the fume pipe 20 that goes out chimney 3 is divided into two-way, access respectively the first order generator 4-1 of first order lithium bromide refrigerator and the second level generator 6-1 of second level lithium bromide refrigerator 6, first order valve 4-5 and first order blower fan 4-6 are set respectively on the flue gas inlet pipeline of the first order generator 4-1 of first order lithium bromide refrigerator and smoke outlet pipeline, second level valve 6-5 and second level blower fan 6-6 are set respectively on the flue gas inlet pipeline of the second level generator 6-1 of second level lithium bromide refrigerator 6 and outlet conduit.The high-temperature flue gas that utilizes gas turbine 2 to discharge is made driving heat source, by fume pipe 20, high-temperature flue gas is incorporated into the first order generator 4-1 of first order lithium bromide refrigerator 4 and the second utmost point generator 6-1 of second level lithium bromide refrigerator 6.
For being applicable to water-deficient area, the cooling mode of air cooling of selecting of lithium bromide refrigerator is to reduce water consumption, the first order condenser 4-4, the first order adsorber 4-2 cooling water that are first order lithium bromide refrigerator are cooling by the first air cooling device 5, and the second level condenser 6-4 of second level lithium bromide refrigerator 6 is cooling by the second air cooling device 7.
The present embodiment 1 can move in continuous cooling, without process of cool.When ambient temperature is higher, the first evaporator 4-3 of first order lithium bromide refrigerator provides cold water to second level adsorber 6-2 and the first cooling coil 1-1 of second level lithium bromide refrigerator 6 simultaneously, the second level vaporizer 6-3 of second level lithium bromide refrigerator 6 provides cold water to the second cooling coil 1-2 simultaneously, the intake air of air-water cooling device 1 is interior after the first cooling coil 1-1 and the second cooling coil 1-2 cool at air-water cooling device 1, enters gas turbine 2; When ambient temperature is lower, can close the 3rd valve 13 and the 4th valve 14, second level lithium bromide refrigerator 6 quits work, the first evaporator 4-3 of first order lithium bromide refrigerator only provides cold water to the first cooling coil 1-1, the intake air of air-water cooling device 1 only just can meet the demands through the first cooling coil 1-1 cooling, then enters gas turbine 2.
Embodiment 2
Embodiment 2 is shown in accompanying drawing 2.Different from embodiment 1, embodiment's 2 technological schemes have increased cool storage function, on embodiment 1 basis, have set up cold-storage tank 8, the 3rd water pump 11, the 5th valve 17 and the 6th valve 18 and connecting tube.The cold water outlet pipe of the second level vaporizer 6-3 of second level lithium bromide refrigerator is connected with cold-storage tank 8 bottom low temperature mouth 8-2, and the cold water inlet of the second level vaporizer 6-3 of second level lithium bromide refrigerator 6 is connected with cold-storage tank 8 top high temperature mouth 8-1 through the 5th valve 17, the 3rd water pump 11; Cold-storage tank 8 bottom low temperature mouth 8-2 are connected with the second cooling coil 1-2 cooling water inlet of Air-Water heat exchanger 1 through the 6th valve 18, the 4th water pump 12, and the second level heat exchanger coiled pipe 1-2 cooling water outlet of Air-Water heat exchanger 1 is connected with cold-storage tank 8 top high temperature mouth 8-1.First order lithium bromide refrigerator 4 and second level lithium bromide refrigerator 6 all utilize gas turbine to discharge high-temperature flue gas as driving heat source, and have adopted the air cooling mode identical with embodiment 1.
The operating conditions of the present embodiment 2 comprises charging and cooling condition.When charging moves, air-water cooling device 1 quits work, the cold water that the first evaporator 4-3 of first order lithium bromide refrigerator produces is as the cooling water of the second level adsorber 6-3 of second level lithium bromide refrigerator, the cold water that second level lithium bromide refrigerator 6 is produced enters cold-storage tower 8 as low-temperature receiver, through after a while, the cold water in cold-storage tower 8 is all produced and finished for charging after low-temperature cold water.During refrigeration cycle, second level lithium bromide refrigerator 6 is out of service, and the cold water that first order lithium bromide refrigerator 4 is produced is as the low-temperature receiver of the first cooling coil 1-1 in air-water cooler 1, gas turbine inlet air is carried out to one-level cooling; Cold water in cold-storage tower 8 is as the low-temperature receiver of the second cooling coil 1-2 in air-water cooler 1, by the cooled air of the one-level temperature that further cooling (secondary is cooling) extremely stipulates again; Cold water is returning cold-storage tank 8 tops in the second cooling coil 1-2 after heat exchange temperature raises.In the present invention, embodiment 2 cold-storage tank is integral type, in the short transverse of cold-storage tank, utilizes the density difference of different water temperatures to carry out high low-temperature cold water layering storage.
Embodiment 3:
Embodiments of the invention 3 are shown in accompanying drawing 3.Embodiment 3 is for the power generation process of Gas-steam Combined Cycle.As different from Example 1, embodiment 3 has increased the exhaust heat boiler 21 in vapor recycle in system, steam turbine 22 and steam line 23, exhaust heat boiler 21 is arranged on out on the high-temperature flue gas pipeline that gas turbine 2 enters chimney 3, steam turbine 22 is arranged on out on the steam line 23 of exhaust heat boiler 21, the driving heat source of first order lithium bromide refrigerator 4 and second level lithium bromide refrigerator 6 changes steam into, go out the steam of steam turbine 22 by first order generator 4-1 and second level lithium bromide refrigerator 6 second level generator 6-1 of the steam line 23 access first order in parallel lithium bromide refrigerator 4.Needed steam can be taken from the intermediate extraction mouth of steam turbine 22.
Claims (8)
1. an Inlet Air Cooling System of Gas Turbine that adopts superposition type lithium bromide refrigerator, comprise air-water cooling device (1), gas turbine (2), chimney (3), first order lithium bromide refrigerator (4), the first air cooling device (5), the first water pump (9), the second water pump (10), the 4th water pump (12), the first valve (15) and the second valve (16), the first cooling coil (1-1) and the second cooling coil (1-2) are set in described air-water cooling device (1), described first order lithium bromide refrigerator (4) comprises first order generator (4-1), first order adsorber (4-2), first evaporator (4-3) and first order condenser (4-4), the first order condenser (4-4) of first order lithium bromide refrigerator (4), first order adsorber (4-2) cooling water is cooling by the first air cooling device (5), it is characterized in that: described system has additional second level lithium bromide refrigerator (6), this second level lithium bromide refrigerator (6) comprises second level generator (6-1), second level adsorber (6-2), second level vaporizer (6-3) and second level condenser (6-4), second level lithium bromide refrigerator (6) and first order lithium bromide refrigerator (4) overlapping are used, be that the cold water that provides of the first evaporator (4-3) of first order lithium bromide refrigerator (4) is as the cooling water of the second level adsorber (6-2) of cooling second level lithium bromide refrigerator (6), described system has additional the second air cooling device (7) and the 5th water pump (19) in order to the cooling water of the second level condenser (6-4) of cooling second level lithium bromide refrigerator (6) and circulation power is provided, described system has additional the 3rd valve (13), the 4th valve (14) and corresponding connecting tube, wherein the 4th valve (14) is arranged on the cooling water intake pipeline of second level adsorber (6-2) of second level lithium bromide refrigerator (6), and the 3rd valve (13) is arranged on the coolant outlet pipeline of second level adsorber (6-2) of second level lithium bromide refrigerator (6), the first evaporator (4-3) of first order lithium bromide refrigerator (4) also provides cold water cooling for the one-level of air-water cooling device (1) to first cooling coil (1-1) of air-water cooling device (1), and the second level vaporizer (6-3) of second level lithium bromide refrigerator (6) provides cold water cooling for secondary to second cooling coil (1-2) of air-water cooling device (1).
2. a kind of Inlet Air Cooling System of Gas Turbine that adopts superposition type lithium bromide refrigerator according to claim 1, it is characterized in that: the cold water that goes out described first evaporator (4-3) is divided into two-way, the second level adsorber (6-2) of the pipeline of leading up to access second level lithium bromide refrigerator (6) is as the cooling water of the second adsorber (6-2), after going out described second level adsorber (6-2), by pipeline, take back again described first evaporator (4-3), first cooling coil (1-1) of the pipeline of separately leading up to access air-water cooling device (1), after going out described the first cooling coil (1-1), by pipeline, take back again described first evaporator (4-3), and the second valve (16) and the first valve (15) are separately positioned on the cooling water inlet pipeline and cooling water outlet pipeline of the first cooling coil (1-1) of air-water cooling device (1), described the second air cooling device (7) and the 5th water pump (19) are separately positioned on the coolant outlet pipeline and cooling water intake pipeline of second level condenser (6-4) of second level lithium bromide refrigerator (6), the cooling water outlet of the second level vaporizer (6-3) of described second level lithium bromide refrigerator (6) accesses the cooling water inlet of second cooling coil (1-2) of air-water cooling device (1) by pipeline, the cooling water outlet of second cooling coil (1-2) of air-water cooling device (1) takes back the cooling water inlet of the second level vaporizer (6-3) of second level lithium bromide refrigerator (6) by pipeline, and the 4th water pump (12) is arranged on the cooling water inlet pipeline of the second cooling coil (1-2).
3. a kind of Inlet Air Cooling System of Gas Turbine that adopts superposition type lithium bromide refrigerator according to claim 1, it is characterized in that: the high-temperature flue gas that gas turbine (2) is discharged is connected with chimney (3), the fume pipe (20) that goes out chimney (3) is divided into two-way, the first order generator (4-1) of one tunnel access first order lithium bromide refrigerator, the second level generator (6-1) of another access second level, road lithium bromide refrigerator (6), on the flue gas inlet pipeline of the first order generator (4-1) of first order lithium bromide refrigerator and smoke outlet pipeline, first order valve (4-5) and first order blower fan (4-6) are set respectively, on the flue gas inlet pipeline of the second level generator (6-1) of second level lithium bromide refrigerator (6) and outlet conduit, second level valve (6-5) and second level blower fan (6-6) are set respectively.
4. a kind of Inlet Air Cooling System of Gas Turbine that adopts superposition type lithium bromide refrigerator according to claim 2, it is characterized in that: the high-temperature flue gas that gas turbine (2) is discharged is connected with chimney (3), the fume pipe (20) that goes out chimney (3) is divided into two-way, the first order generator (4-1) of one tunnel access first order lithium bromide refrigerator, the second level generator (6-1) of another access second level, road lithium bromide refrigerator (6), on the flue gas inlet pipeline of the first order generator (4-1) of first order lithium bromide refrigerator and smoke outlet pipeline, first order valve (4-5) and first order blower fan (4-6) are set respectively, on the flue gas inlet pipeline of the second level generator (6-1) of second level lithium bromide refrigerator (6) and outlet conduit, second level valve (6-5) and second level blower fan (6-6) are set respectively.
5. a kind of Inlet Air Cooling System of Gas Turbine that adopts superposition type lithium bromide refrigerator described in one of them according to claim 1 ~ 4, it is characterized in that: described system has additional cold-storage tank (8), the 3rd water pump (11), the 5th valve (17) and the 6th valve (18) and connecting tube, the low-temperature receiver that provides by from the second level vaporizer (6-3) of second level lithium bromide refrigerator (6) to cold-storage tank (8), then to second cooling coil (1-2) of air-water cooling device (1), provide cold water and low-temperature receiver by cold-storage tank (8).
6. a kind of Inlet Air Cooling System of Gas Turbine that adopts superposition type lithium bromide refrigerator according to claim 5, it is characterized in that: the cold water outlet pipe of the second level vaporizer (6-3) of second level lithium bromide refrigerator is connected with cold-storage tank (8) bottom low temperature mouth (8-2), and the cold water inlet of the second level vaporizer (6-3) of second level lithium bromide refrigerator (6) is connected with cold-storage tank (8) top high temperature mouth (8-1) through the 5th valve (17), the 3rd water pump (11); Cold-storage tank (8) bottom low temperature mouth (8-2) is connected with the second cooling coil (1-2) cooling water inlet of Air-Water heat exchanger (1) through the 6th valve (18), the 4th water pump (12), and second level heat exchanger coiled pipe (1-2) cooling water outlet of Air-Water heat exchanger (1) is connected with cold-storage tank (8) top high temperature mouth (8-1).
7. a kind of Inlet Air Cooling System of Gas Turbine that adopts superposition type lithium bromide refrigerator according to claim 1 and 2, it is characterized in that: in described system, have additional exhaust heat boiler (21), steam turbine (22) and steam line (23), exhaust heat boiler (21) is arranged on out on the high-temperature flue gas pipeline that gas turbine (2) enters chimney (3), steam turbine (22) is arranged on out on the steam line (23) of exhaust heat boiler (21), go out the steam of steam turbine (22) by first order generator (4-1) and second level lithium bromide refrigerator (6) second level generator (6-1) of steam line (23) access in parallel first order lithium bromide refrigerator (4), on the flue gas inlet pipeline of the first order generator (4-1) of first order lithium bromide refrigerator (4), first order valve (4-5) is set, on the flue gas inlet pipeline of the second level generator (6-1) of second level lithium bromide refrigerator (6), second level valve (6-5) is set.
8. a kind of Inlet Air Cooling System of Gas Turbine that adopts superposition type lithium bromide refrigerator according to claim 1 and 2, is characterized in that: first order lithium bromide refrigerator (4) and second level lithium bromide refrigerator (6) are all selected single-action flue gas type.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106150700A (en) * | 2016-07-15 | 2016-11-23 | 宋君弟 | Sea water cooling, the efficient combustion engine inlet gas cooling device of mixing low-temperature receiver |
| CN110595102A (en) * | 2019-09-09 | 2019-12-20 | 中国电力工程顾问集团西南电力设计院有限公司 | Multipurpose regional cooling system and control method |
| CN111927627A (en) * | 2020-07-15 | 2020-11-13 | 龙游中机新奥智慧能源有限公司 | Cooling and effect improving device for gas inlet system of gas turbine |
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| US20100146976A1 (en) * | 2008-12-11 | 2010-06-17 | General Electric Company | Inlet Air Heating and Cooling System |
| CN103195570A (en) * | 2012-01-04 | 2013-07-10 | 通用电气公司 | Method and apparatus for operating a gas turbine engine |
| CN203655442U (en) * | 2013-10-24 | 2014-06-18 | 温海泉 | Gas turbine intake air cooling device adopting waste heat as power |
| CN103696855A (en) * | 2013-12-17 | 2014-04-02 | 浙江省电力设计院 | Integrated system for heating and cooling inflow air of gas turbine |
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| CN106150700A (en) * | 2016-07-15 | 2016-11-23 | 宋君弟 | Sea water cooling, the efficient combustion engine inlet gas cooling device of mixing low-temperature receiver |
| CN110595102A (en) * | 2019-09-09 | 2019-12-20 | 中国电力工程顾问集团西南电力设计院有限公司 | Multipurpose regional cooling system and control method |
| CN111927627A (en) * | 2020-07-15 | 2020-11-13 | 龙游中机新奥智慧能源有限公司 | Cooling and effect improving device for gas inlet system of gas turbine |
| CN111927627B (en) * | 2020-07-15 | 2021-09-07 | 龙游新奥智慧能源有限公司 | Cooling and effect improving device for gas inlet system of gas turbine |
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