CN214741516U - Flue gas waste heat effective utilization system of gas and steam combined cycle generator set - Google Patents
Flue gas waste heat effective utilization system of gas and steam combined cycle generator set Download PDFInfo
- Publication number
- CN214741516U CN214741516U CN202121183873.2U CN202121183873U CN214741516U CN 214741516 U CN214741516 U CN 214741516U CN 202121183873 U CN202121183873 U CN 202121183873U CN 214741516 U CN214741516 U CN 214741516U
- Authority
- CN
- China
- Prior art keywords
- water
- waste heat
- gas
- natural gas
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Control Of Steam Boilers And Waste-Gas Boilers (AREA)
Abstract
The utility model provides a gas steam combined cycle generating set's flue gas waste heat effective utilization system, include: a main water delivery pipeline; a water return main pipeline; the waste heat exchange device comprises a waste heat exchange module, a water inlet branch pipe and a water outlet branch pipe; a return bypass crossing the waste heat exchange device; the starting heater is arranged at the water outlet end of the main water delivery pipeline; the steam outlet end of the auxiliary steam main pipe is communicated with the starting heater; the natural gas heating device comprises a heater, a water inlet branch pipe, a water outlet branch pipe, a heating flow passage, a natural gas input pipe, a natural gas output pipe and a natural gas heat absorption flow passage; the expansion water tank is communicated with the water delivery main pipeline or the water return main pipeline; and the circulating water pump is arranged on the water return main pipeline. The utility model discloses can effectively utilize exhaust-heat boiler's flue gas waste heat, improve the natural gas temperature in order to promote generating set operating efficiency.
Description
Technical Field
The utility model relates to a boiler waste heat recovery technical field especially relates to a gas steam combined cycle generating set's flue gas waste heat effective utilization system.
Background
The existing natural gas pressure regulating station is used by a plurality of gas and steam combined cycle generator sets. The natural gas pressure regulating station area is equipped with two natural gas water bath furnaces for heating the natural gas so that the temperature of the natural gas at the outlet of the pressure regulating station meets the inlet temperature requirement (about 35 ℃) of the front module of the combustion engine. According to actual operation data in recent years, the gas consumption of the two water bath furnaces is about 60 ten thousand in total per year, the gas consumption is high, and the operation cost is also high. In addition, if the natural gas temperature is further increased to improve the power generation efficiency of the gas-steam combined cycle power generation unit, the consumed gas amount is further increased, and the comprehensive power generation efficiency is reduced.
In the existing gas-steam combined cycle generator set, the exhaust gas temperature of a waste heat boiler is about 90 ℃, certain waste heat energy is provided, the waste heat energy is directly exhausted into the atmospheric environment, and energy loss is caused to a certain degree.
SUMMERY OF THE UTILITY MODEL
In view of the above prior art's shortcoming, the to-be-solved technical problem of the utility model lies in providing a gas steam combined cycle generating set's flue gas waste heat effective utilization system, can effectively utilize exhaust-heat boiler's flue gas waste heat, replace current natural gas water bath stove, through circulating water heating natural gas, improve gas steam combined cycle generating set's explosion-proof security level, effectively reduce the fuel quantity of power plant, reduce the emission of smoke pollutants, improve the natural gas temperature in order to promote generating set operating efficiency.
In order to solve the technical problem, the utility model provides a gas steam combined cycle generating set's flue gas waste heat effective utilization system, include:
a main water delivery pipeline;
a water return main pipeline;
the waste heat exchange device comprises a waste heat exchange module, a water inlet branch pipe and a water outlet branch pipe, the waste heat exchange module is arranged at a tail flue of the waste heat boiler, a heat exchange flow passage is formed in the waste heat exchange module, two ends of the water inlet branch pipe are respectively communicated with the heat exchange flow passage and a water return main pipeline, and two ends of the water outlet branch pipe are respectively communicated with the heat exchange flow passage and a water delivery main pipeline;
the backflow bypass crosses over the waste heat exchange device, and two ends of the backflow bypass are respectively communicated with the main water delivery pipeline and the main water return pipeline;
the starting heater is arranged at the water outlet end of the main water delivery pipeline;
the steam outlet end of the auxiliary steam main pipe is communicated with the starting heater;
the natural gas heating device comprises a heater, a water inlet branch pipe, a water outlet branch pipe, a heating flow passage, a natural gas input pipe, a natural gas output pipe and a natural gas heat absorption flow passage, wherein the heating flow passage and the natural gas heat absorption flow passage are formed in the heater and are matched with each other in position;
the expansion water tank is communicated with the water delivery main pipeline or the water return main pipeline;
and the circulating water pump is arranged on the water return main pipeline.
Preferably, a water outlet gate valve and a water outlet check valve are sequentially arranged on the water outlet branch pipe along the water flow direction.
Preferably, the branch pipe of intaking is gone up and is equipped with into water gate valve, intake governing valve and the check valve of intaking in proper order along the rivers direction.
Preferably, the flue gas waste heat effective utilization system further comprises a waste water discharge pipe, one end of the waste water discharge pipe is connected to the starting heater, and the other end of the waste water discharge pipe extends to the waste water pool.
Preferably, the number of the waste heat exchange devices is multiple, and all the waste heat exchange devices are arranged in parallel.
Preferably, a metering unit is arranged on the natural gas input pipe.
Preferably, the natural gas output pipe is provided with a pressure regulating unit.
Preferably, a first backflow gate valve, a filter, a backflow check valve and a second backflow gate valve are sequentially arranged on the water return main pipeline along the water flow direction, the first backflow gate valve and the filter are both located at the upstream of the circulating water pump, and the backflow check valve and the second backflow gate valve are both located at the downstream of the circulating water pump.
As above, the utility model discloses a gas steam combined cycle generating set's flue gas waste heat effective utilization system has following beneficial effect: the utility model discloses in, before first generating set starts, because the temperature of exhaust-heat boiler exhaust flue gas is high inadequately, adopt the starting heater to heat the circulating water, endothermic circulating water flows into natural gas heating device afterwards, with the heat transference for the natural gas in the natural gas heat-absorbing runner to the temperature of the natural gas in the messenger natural gas delivery pipe reaches the requirement. When the starting heater is in a heating mode, the water inlet branch pipe and the water outlet branch pipe of the waste heat exchange device are in a non-circulation state, the backflow bypass is in a circulation state, the auxiliary steam main pipe is in a steam supply state to introduce steam into the starting heater, and then circulating water is heated to a preset temperature, so that natural gas is heated to a preset temperature. Meanwhile, the circulating water pump is in an operating state. When the exhaust gas temperature of one waste heat boiler meets the temperature requirement of heating circulating water, a water inlet branch pipe and a water outlet branch pipe of the waste heat exchange device are in a circulating state, and a backflow bypass is in a non-circulating state. And after the water outlet temperature of the water outlet branch pipe reaches a preset value, stopping starting the heater, and switching to a tail flue gas heating mode of the waste heat exchange device. At the moment, the heating degree of the natural gas heating device is controlled by adjusting the frequency of the circulating water pump and the flow rates of the water inlet branch pipe and the water outlet branch pipe. When a plurality of generator sets normally operate, when the exhaust gas temperature of one waste heat boiler meets the heating requirement, the corresponding waste heat exchange device is immediately opened, and therefore the natural gas heating mode with the multi-tail flue gas heating is achieved. When one of the waste heat boilers or one of the waste heat exchange devices breaks down, the corresponding water inlet branch pipe and the water outlet branch pipe are automatically closed. If only one waste heat exchange device runs, the starting heater is automatically interlocked to be switched into the heating mode of the starting heater before the running is stopped. If the temperature of the natural gas heating device does not reach the preset value in the tail flue gas heating mode, the starting heater is automatically put into use to ensure that the temperature of the natural gas meets the safe operation requirement of the gas turbine. Therefore, the flue gas waste heat effective utilization system of the gas-steam combined cycle generator set can effectively utilize the flue gas waste heat of the waste heat boiler, replaces the existing natural gas water bath furnace, heats natural gas through circulating water, improves the explosion-proof safety level of the gas-steam combined cycle generator set, effectively reduces the fuel consumption of a power plant, reduces the emission of flue gas pollutants, and further improves the temperature of the natural gas to improve the operation efficiency of the generator set.
Drawings
FIG. 1 is a schematic diagram of a flue gas waste heat effective utilization system of a gas-steam combined cycle generator set according to the present invention;
description of the element reference numerals
1 Water delivery Main pipeline
2 backwater main pipeline
21 first return gate valve
22 filter
23 backflow check valve
24 second return gate valve
25 reflux bypass
3 waste heat exchanger
31 waste heat exchange module
32 water inlet branch pipe
321 water inlet gate valve
322 water inlet regulating valve
323 water inlet check valve
33 water outlet branch pipe
331 outlet gate valve
332 water outlet check valve
34 heat exchange flow passage
4 start-up heater
5 auxiliary steam main pipe
6 natural gas heating device
61 Heater
62 water inlet branch pipe
63 Water outlet branch pipe
64 natural gas input pipe
641 metering unit
65 natural gas output pipe
651 pressure regulating unit
66 natural gas suction flow passage
7 expansion tank
8 circulating water pump
9 waste water discharge pipe
91 wastewater pool
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
It should be understood that the structures, ratios, sizes, etc. shown in the drawings of the present specification are only used for matching with the contents disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any modification of the structures, changes of the ratio relationship, or adjustment of the sizes should still fall within the scope covered by the technical contents disclosed in the present invention without affecting the efficacy and the achievable purpose of the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
Considering that the requirement on the grade of a natural gas heating source is low, the exhaust gas temperature of a waste heat boiler of a generator set is about 88 ℃, and the waste heat of the exhaust gas can be recycled to be used as a heat source, so that the existing natural gas water bath furnace is replaced.
Based on this, as shown in fig. 1, the utility model provides a gas steam combined cycle generating set's flue gas waste heat effective utilization system, include:
a main water delivery pipeline 1;
a water return main pipeline 2;
the waste heat exchange device 3 is characterized in that the waste heat exchange device 3 comprises a waste heat exchange module 31, a water inlet branch pipe 32 and a water outlet branch pipe 33, the waste heat exchange module 31 is arranged at a tail flue of the waste heat boiler, a heat exchange flow passage 34 is formed in the waste heat exchange module 31, two ends of the water inlet branch pipe 32 are respectively communicated with the heat exchange flow passage 34 and the water return main pipeline 2, and two ends of the water outlet branch pipe 33 are respectively communicated with the heat exchange flow passage 34 and the water delivery main pipeline 1;
a backflow bypass 25 crossing the waste heat exchange device 3, wherein two ends of the backflow bypass 25 are respectively communicated with the water delivery main pipeline 1 and the water return main pipeline 2;
the heater 4 is started, and the heater 4 is arranged at the water outlet end of the main water delivery pipeline 1;
the steam outlet end of the auxiliary steam main pipe 5 is communicated with the starting heater 4;
the natural gas heating device 6 comprises a heater 61, a water inlet branch pipe 62, a water outlet branch pipe 63, a heating flow passage 67, a natural gas input pipe 64, a natural gas output pipe 65 and a natural gas heat absorption flow passage 66, wherein the heating flow passage 67 and the natural gas heat absorption flow passage 66 are formed in the heater 61 and are matched with each other in position, two ends of the water inlet branch pipe 62 are respectively communicated with the heating flow passage 67 and the starting heater 4, two ends of the water outlet branch pipe 63 are respectively communicated with the heating flow passage 67 and the water return main pipeline 2, the natural gas input pipe 64 is communicated with the air inlet end of the natural gas heat absorption flow passage 66, and the natural gas output pipe 65 is communicated with the air outlet end of the natural gas heat absorption flow passage 66;
the expansion water tank 7 is communicated with the water delivery main pipeline 1 or the water return main pipeline 2;
and the circulating water pump 8 are arranged on the return water main pipeline 2.
The utility model discloses in, water delivery main line 1 and return water main line 2 all are used for carrying the circulating water. The number of the waste heat exchange devices 3 can be one or a plurality of, all the waste heat exchange devices 3 are arranged in parallel, and the waste heat exchange devices 3 and the waste heat boiler form a one-to-one correspondence relationship. Before the first generator set is started, because the temperature of the flue gas exhausted by the waste heat boiler is not high enough, the starting heater 4 is used for heating the circulating water, the absorbed circulating water flows into the natural gas heating device 6, and the heat is transferred to the natural gas in the natural gas heat absorption channel 66, so that the temperature of the natural gas in the natural gas output pipe 65 meets the requirement. When the starting heater 4 is in a heating mode, the water inlet branch pipe 32 and the water outlet branch pipe 33 of the waste heat exchange device 3 are in a non-circulation state, the backflow bypass 25 is in a circulation state, the auxiliary steam main pipe 5 is in a steam supply state to introduce steam into the starting heater 4, and then circulating water is heated to a preset temperature, so that natural gas is heated to the preset temperature. At the same time, the circulation water pump 8 is in operation.
When the exhaust gas temperature of one waste heat boiler meets the temperature requirement of heating circulating water, the water inlet branch pipe 32 and the water outlet branch pipe 33 of the waste heat exchange device 3 are in a circulating state, and the backflow bypass 25 is in a non-circulating state. And after the outlet water temperature of the outlet water branch pipe 33 reaches a preset value, the starting heater 4 is stopped, and the tail flue gas heating mode of the waste heat exchange device 3 is switched to. At this time, the heating degree of the natural gas heating device 6 is controlled by adjusting the frequency of the circulation water pump 8 and the flow rates of the inlet branch pipe 32 and the outlet branch pipe 33. When a plurality of generator sets normally operate, when the exhaust gas temperature of one waste heat boiler meets the heating requirement, the corresponding waste heat exchange device 3 is immediately opened, and therefore the heating mode that natural gas is heated by the tail gas of a plurality of generators is achieved.
When one of the waste heat boilers or one of the waste heat exchange devices 3 fails, the corresponding water inlet branch pipe 32 and the water outlet branch pipe 33 are automatically closed. If only one waste heat exchange device 3 runs, the starting heater 4 is also automatically interlocked to be switched into the heating mode of the starting heater 4 before the running is stopped.
If the temperature of the outlet natural gas of the natural gas heating device 6 does not reach the preset value in the tail flue gas heating mode, the starting heater 4 is automatically put into use to ensure that the temperature of the natural gas meets the safe operation requirement of the gas turbine.
The circulating water pumps 8 can be used for standby, and when one circulating water pump 8 is tripped, the other circulating water pump 8 is automatically started in a linked mode; the natural gas heating devices 6 can also be used for one by one, and when one of the natural gas heating devices 6 fails or leaks, the other natural gas heating device 6 is automatically switched on.
Therefore, the flue gas waste heat effective utilization system of the gas-steam combined cycle generator set can effectively utilize the flue gas waste heat of the waste heat boiler, replaces the existing natural gas water bath furnace, heats natural gas through circulating water, improves the explosion-proof safety level of the gas-steam combined cycle generator set, effectively reduces the fuel consumption of a power plant, reduces the emission of flue gas pollutants, and further improves the temperature of the natural gas to improve the operation efficiency of the generator set.
Specifically, the utility model discloses a flue gas waste heat effective utilization system can improve 20 ℃ with the temperature of natural gas on 35 ℃ of the basis, can correspondingly improve gas turbine's operating efficiency, can improve about 0.0832% of gas turbine efficiency, and the generating set of whole factory can save 49 ten thousand cubic meters of natural gas every year, even more. And the gas consumption of the original water bath furnace (measured according to 60 ten thousand square/year) can save the natural gas consumption of 109 ten thousand cubic meters all year round, the emission of sulfur dioxide can be reduced by about 1.74 tons all year round, the emission of nitrogen oxide can be reduced by about 7.19 tons, and the emission of smoke dust can be reduced by about 0.72 ton. After the flue gas waste heat effective utilization system is implemented, the safety risk caused by the use of the water bath furnace in the pressure regulating station area can be eliminated, and the explosion-proof safety level of the gas-steam combined cycle generator set is improved; in addition, the utilization efficiency of energy can be improved, and good economic benefit is achieved. The method can also reduce the discharge amount of pollutants, is low-carbon and environment-friendly, accords with national industrial policies, and has good social benefits.
The starting heater 4 can adopt a steam-water shell-and-tube heat exchanger, the heating steam adopts auxiliary steam in an auxiliary steam main pipe 5, and the starting heater 4 discharges water. Considering that the waste heat exchange device 3 corresponding to the waste heat boiler breaks down when a single generator set runs, in order to ensure that the flue gas waste heat effective utilization system can continuously run, the heater 4 is started to heat the natural gas to at least 30 ℃ when the generator set runs at full load. Considering that the generator sets have peak load regulation and extreme operation conditions in the power grid, the quantity of the waste heat exchange devices 3 is designed according to the natural gas flow when the four generator sets run at full load, and the safe and stable operation of the four generator sets is ensured.
In order to avoid the reverse flow of the circulating water in the outlet branch pipe 33 and to adjust the flow state of the outlet branch pipe 33, a water outlet gate valve 331 and a water outlet check valve 332 are sequentially provided in the outlet branch pipe 33 along the water flow direction.
In order to avoid the reverse flow of the circulating water in the water inlet branch pipe 32 and to adjust the flow state of the water inlet branch pipe 32, a water inlet gate valve 321, a water inlet adjusting valve 322, and a water inlet check valve 323 are sequentially disposed on the water inlet branch pipe 32 along the water flow direction.
In order to recover the waste water in the start-up heater 4, the flue gas waste heat effective utilization system further includes a waste water discharge pipe 9, one end of the waste water discharge pipe 9 is connected to the start-up heater 4, and the other end of the waste water discharge pipe 9 extends to the waste water pool 91.
In order to detect the flow rate of the natural gas, the natural gas input pipe 64 is provided with a metering unit 641.
In order to detect the pressure of the natural gas, the natural gas output pipe 65 is provided with a pressure adjusting unit 651.
In order to filter and adjust the circulating water in the main water return pipeline 2, a first return gate valve 21, a filter 22, a return check valve 23, and a second return gate valve 24 are sequentially arranged on the main water return pipeline 2 along the water flow direction, the first return gate valve 21 and the filter 22 are both located at the upstream of the circulating water pump 8, and the return check valve 23 and the second return gate valve 24 are both located at the downstream of the circulating water pump 8.
To sum up, the utility model discloses a gas steam combined cycle generating set's flue gas waste heat effective utilization system can effectively utilize exhaust-heat boiler's flue gas waste heat, replaces current natural gas water bath stove, through circulating water heating natural gas, improves gas steam combined cycle generating set's explosion-proof safety level, effectively reduces the power plant fuel quantity, reduces smoke pollutants's emission, improves the natural gas temperature in order to promote generating set operating efficiency. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (8)
1. The utility model provides a flue gas waste heat effective utilization system of gas steam combined cycle generating set which characterized in that includes:
a main water delivery pipeline (1) for delivering heat medium circulating water;
a water return main pipeline (2) used for conveying the heat medium circulating water;
the waste heat exchange device (3), the waste heat exchange device (3) comprises a waste heat exchange module (31), a water inlet branched pipe (32) and a water outlet branched pipe (33), the waste heat exchange module (31) is arranged at a tail flue of the waste heat boiler, a heat exchange runner (34) is formed in the waste heat exchange module (31), two ends of the water inlet branched pipe (32) are respectively communicated with the heat exchange runner (34) and the water return main pipeline (2), and two ends of the water outlet branched pipe (33) are respectively communicated with the heat exchange runner (34) and the water delivery main pipeline (1);
a backflow bypass (25) crossing the waste heat exchange device (3), wherein two ends of the backflow bypass (25) are respectively communicated with the water delivery main pipeline (1) and the water return main pipeline (2);
the starting heater (4), the starting heater (4) is arranged at the water outlet end of the main water delivery pipeline (1);
the steam outlet end of the auxiliary steam main pipe (5) is communicated with the starting heater (4);
the natural gas heating device (6) comprises a heater (61), a water inlet branch pipe (62), a water outlet branch pipe (63), a heating flow passage (67), a natural gas input pipe (64), a natural gas output pipe (65) and a natural gas heat absorption flow passage (66), wherein the heating flow passage (67) and the natural gas heat absorption flow passage (66) are formed in the heater (61) and are matched with each other in position, two ends of the water inlet branch pipe (62) are respectively communicated with the heating flow passage (67) and the starting heater (4), two ends of the water outlet branch pipe (63) are respectively communicated with the heating flow passage (67) and the water return main pipeline (2), the natural gas input pipe (64) is communicated with the gas inlet end of the natural gas heat absorption flow passage (66), and the natural gas output pipe (65) is communicated with the gas outlet end of the natural gas heat absorption flow passage (66);
the expansion water tank (7), the expansion water tank (7) is communicated with the water delivery main pipeline (1) or the water return main pipeline (2);
the circulating water pump (8) and the circulating water pump (8) are arranged on the water return main pipeline (2).
2. The system for effectively utilizing the waste heat of the flue gas of the gas-steam combined cycle generator set according to claim 1, characterized in that: and a water outlet gate valve (331) and a water outlet check valve (332) are sequentially arranged on the water outlet branch pipe (33) along the water flow direction.
3. The system for effectively utilizing the waste heat of the flue gas of the gas-steam combined cycle generator set according to claim 1, characterized in that: the water inlet branch pipe (32) is sequentially provided with a water inlet gate valve (321), a water inlet adjusting valve (322) and a water inlet check valve (323) along the water flow direction.
4. The system for effectively utilizing the waste heat of the flue gas of the gas-steam combined cycle generator set according to claim 1, characterized in that: the flue gas waste heat effective utilization system further comprises a waste water discharge pipe (9), one end of the waste water discharge pipe (9) is connected to the starting heater (4), and the other end of the waste water discharge pipe (9) extends to the waste water pool (91).
5. The system for effectively utilizing the waste heat of the flue gas of the gas-steam combined cycle generator set according to claim 1, characterized in that: the waste heat exchange devices (3) are multiple in number, and all the waste heat exchange devices (3) are arranged in parallel.
6. The system for effectively utilizing the waste heat of the flue gas of the gas-steam combined cycle generator set according to claim 1, characterized in that: and a metering unit (641) is arranged on the natural gas input pipe (64).
7. The system for effectively utilizing the waste heat of the flue gas of the gas-steam combined cycle generator set according to claim 1, characterized in that: and a pressure regulating unit (651) is arranged on the natural gas output pipe (65).
8. The system for effectively utilizing the waste heat of the flue gas of the gas-steam combined cycle generator set according to claim 1, characterized in that: the water return main pipeline (2) is sequentially provided with a first return gate valve (21), a filter (22), a return check valve (23) and a second return gate valve (24) along the water flow direction, the first return gate valve (21) and the filter (22) are located at the upstream of the circulating water pump (8), and the return check valve (23) and the second return gate valve (24) are located at the downstream of the circulating water pump (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121183873.2U CN214741516U (en) | 2021-05-28 | 2021-05-28 | Flue gas waste heat effective utilization system of gas and steam combined cycle generator set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121183873.2U CN214741516U (en) | 2021-05-28 | 2021-05-28 | Flue gas waste heat effective utilization system of gas and steam combined cycle generator set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214741516U true CN214741516U (en) | 2021-11-16 |
Family
ID=78626216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121183873.2U Active CN214741516U (en) | 2021-05-28 | 2021-05-28 | Flue gas waste heat effective utilization system of gas and steam combined cycle generator set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214741516U (en) |
-
2021
- 2021-05-28 CN CN202121183873.2U patent/CN214741516U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111577410B (en) | Gas turbine inlet air temperature control device and gas turbine inlet air temperature control method | |
| CN204693561U (en) | A kind of UTILIZATION OF VESIDUAL HEAT IN heating installation with peak regulating function | |
| CN106499455A (en) | Combined-cycle power plant's soda pop backheat and fuel heating integrated put forward effect system | |
| CN206972383U (en) | A kind of heated by natural gas system for Combined cycle gas-steam turbine | |
| CN104675521A (en) | Novel gas-steam combined cycle cooling, heating and power generation system | |
| CN102032612A (en) | Cogeneration energy-saving device and method using residual heat of direct air-cooling unit to supply heat | |
| CN112611010B (en) | Adjusting method of flexible adjusting system for power generation load of multi-heat-source cogeneration unit | |
| CN205717147U (en) | A kind of full load denitration utilizes and air preheater corrosion-and blocking-prevention coupled system with fume afterheat | |
| CN208687705U (en) | A kind of system that excision low pressure (LP) cylinder is coupled into automotive row with low-pressure coal saver | |
| CN103644032A (en) | System for heating natural gas through gradient utilization of water supplied at medium pressure from waste heat boiler of gas turbine power plant | |
| CN105508055B (en) | The system and method for distributed busbar protection cooling circulating water | |
| CN214741516U (en) | Flue gas waste heat effective utilization system of gas and steam combined cycle generator set | |
| CN102494329B (en) | Device for utilizing flue gas waste heat of boiler comprehensively | |
| CN106705019A (en) | Wide-load efficient water supply regenerative system | |
| CN208504350U (en) | It is a kind of to improve low when thermal power plant unit peak regulation plus leaving water temperature device | |
| CN110700909A (en) | Heating season cogeneration unit on-line electricity load adjusting system and adjusting method | |
| CN215863335U (en) | Cold air heating and flue gas waste heat cascade utilization system for power station | |
| CN113339093A (en) | Flue gas waste heat effective utilization system of gas and steam combined cycle generator set | |
| CN201836968U (en) | Cogeneration energy saving device utilizing waste heat of indirect air cooling unit for heat supply | |
| CN214170638U (en) | Gas turbine inlet temperature control device | |
| CN204901735U (en) | Heat exchanger boiler waste heat utilization economizer | |
| CN204730177U (en) | Residual heat from boiler fume cascade utilization device | |
| CN209671079U (en) | The gaseous fuel heating system of Combined cycle gas-steam turbine | |
| CN103161535B (en) | Smoke waste heat power generation system of heating furnace | |
| CN208090778U (en) | A kind of energy source station system based on thermoelectricity unit steam extraction |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |