CN116697609A - System for improving efficiency of gas-steam combined cycle unit - Google Patents
System for improving efficiency of gas-steam combined cycle unit Download PDFInfo
- Publication number
- CN116697609A CN116697609A CN202310626948.7A CN202310626948A CN116697609A CN 116697609 A CN116697609 A CN 116697609A CN 202310626948 A CN202310626948 A CN 202310626948A CN 116697609 A CN116697609 A CN 116697609A
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- natural gas
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- heater
- water bath
- gas supply
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 342
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 201
- 239000003345 natural gas Substances 0.000 claims abstract description 172
- 238000010438 heat treatment Methods 0.000 claims abstract description 35
- 238000009833 condensation Methods 0.000 claims abstract description 7
- 230000005494 condensation Effects 0.000 claims abstract description 7
- 238000002844 melting Methods 0.000 claims description 21
- 230000001105 regulatory effect Effects 0.000 claims description 21
- 239000007789 gas Substances 0.000 claims description 5
- 238000012546 transfer Methods 0.000 abstract description 8
- 239000002918 waste heat Substances 0.000 abstract description 2
- 230000008018 melting Effects 0.000 description 13
- 239000000446 fuel Substances 0.000 description 3
- 230000002427 irreversible effect Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1854—Arrangement or mounting of grates or heating means for air heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D21/0001—Recuperative heat exchangers
- F28D21/0012—Recuperative heat exchangers the heat being recuperated from waste water or from condensates
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/16—Combined cycle power plant [CCPP], or combined cycle gas turbine [CCGT]
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The application discloses a system for improving the efficiency of a gas-steam combined cycle unit, which comprises: the FGH performance heater system is used for providing performance heater backwater for the water bath heating system; the water bath heating system comprises a first water bath furnace and a second water bath furnace, and is used for receiving natural gas conveyed by a natural gas supply station and returning water of the performance heater, heating the natural gas by the returning water of the performance heater, conveying the heated natural gas to a condensation water heater, and connecting the water bath with the FGH returning water to enable the FGH returning water to exchange heat with low-temperature natural gas in the water bath firstly and then return to the condensation water heater, so that gradient utilization of the heated natural gas and waste heat is achieved, meanwhile, heat transfer temperature difference of the FGH performance heater system is reduced, and thermal efficiency of a unit is improved.
Description
Technical Field
The application relates to the technical field of gas-steam combined cycle units, in particular to a system for improving the efficiency of a gas-steam combined cycle unit.
Background
The natural gas feed for a gas-steam combined cycle unit is typically transported by a natural gas receiving station through dedicated pipelines. The pressure of the natural gas conveyed by the natural gas is high, and a natural gas pressure regulating station is required to be configured to decompress and heat the natural gas in order to meet the operation requirement of the gas turbine. The temperature of natural gas is reduced after depressurization, and according to experience, the pressure of natural gas is generally reduced by 1.0MPa, and the temperature is reduced by 6 ℃. In order to prevent the thawing of the downstream pipeline, a water bath heating system is adopted to heat the fuel gas so as to ensure the temperature requirement of the fuel machine on the natural gas. However, the water bath heating system has higher energy consumption, lower water temperature of the water bath furnace, limited natural air temperature after heating, no obvious improvement on the efficiency of the gas turbine, and no contribution to energy conservation and emission reduction. The water bath heating system has open fire, and serious consequences can be caused once fuel gas leaks. Meanwhile, a fuel gas-steam combined cycle unit performance heater (FGH) heats natural gas by using water at the outlet of the medium-pressure economizer, and backwaters after heating return to the condensate water heater. The irreversible loss is high due to the large heat transfer temperature difference. And multiple heat exchangers are required to meet FGH heating requirements.
Accordingly, it is contemplated herein to design a system that increases the efficiency of a gas-steam combined cycle unit to meet natural gas heating requirements and reduce irreversible losses that may occur with FGH units.
Disclosure of Invention
The application provides a system for improving the efficiency of a gas-steam combined cycle unit, which is used for solving the technical problems that the natural gas heating energy consumption is high and the irreversible loss of a performance heater is easy to occur in the prior art, and comprises the following components:
the FGH performance heater system is used for providing performance heater backwater for the water bath heating system;
the water bath heating system comprises a first water bath furnace and a second water bath furnace, and is used for receiving natural gas conveyed by a natural gas supply station and the return water of the performance heater, heating the natural gas through the return water of the performance heater, conveying the return water of the performance heater subjected to heat exchange to a condensation water heater, and conveying the heated natural gas to a natural gas pressure regulating station;
the performance heater system is connected with the first water bath furnace and the second water bath furnace through performance heater return water pipelines, the natural gas supply station is connected with the water bath furnace and the second water bath furnace through natural gas supply pipelines, and the condensate water heater is connected with the first water bath furnace and the second water bath furnace through condensate water heater removing pipelines.
In some embodiments of the present application, a first FGH backwater water supply bath furnace electric door and a first FGH backwater temperature control valve are further provided on a backwater pipeline of the performance heater between the performance heater system and the first water bath furnace, and a second FGH backwater water supply bath furnace electric door and a second FGH backwater temperature control valve are further provided on a backwater pipeline of the performance heater between the performance heater system and the second water bath furnace.
In some embodiments of the present application, a first natural gas inlet valve is further disposed on a natural gas supply pipeline between the natural gas supply station and the first water bath furnace, a second natural gas inlet valve is further disposed on a natural gas supply pipeline between the natural gas supply station and the second water bath furnace, a first natural gas supply pipeline bypass is further disposed on a natural gas supply pipeline between the natural gas supply station and the first water bath furnace, a first manual valve and a second manual valve are disposed on the first natural gas supply pipeline bypass, a second natural gas supply pipeline bypass is further disposed on a natural gas supply pipeline between the natural gas supply station and the second water bath furnace, and a third manual valve and a fourth manual valve are disposed on the second natural gas supply pipeline bypass.
In some embodiments of the application, an FGH backwater bypass electric door is arranged between the performance heater backwater pipeline and the decolonizing water heater pipeline.
In some embodiments of the application, the natural gas supply station, the first water melting furnace and the second water melting furnace are all connected with the natural gas pressure regulating station through pipelines for going to the natural gas pressure regulating station.
In some embodiments of the present application, the natural gas supply station is connected to a natural gas supply pipeline between the first water bath furnace and a pipeline of the natural gas removal and pressure adjustment station at the first water melting furnace through a first natural gas heater bypass valve, and the natural gas supply station is connected to a natural gas supply pipeline between the second water bath furnace and a pipeline of the natural gas removal and pressure adjustment station at the second water melting furnace through a second natural gas heater bypass valve.
In some embodiments of the present application, the first water-melting furnace and the second water-melting furnace are further connected to a depressurized natural gas water-supply heater pipe, the depressurized natural gas water-supply heater pipe is used for conveying the natural gas depressurized by the natural gas pressure regulating station back to the first water-melting furnace or the second water-melting furnace for heating, and a water bath natural gas supply manual valve is arranged on the depressurized natural gas water-supply heater pipe.
In some embodiments of the application, when any one of the first water melting furnace and the second water melting furnace is in a working state, the other one is in a standby state.
In some embodiments of the application, manual valves are arranged on the performance heater return water pipeline, the decolonizing water heater pipeline and the decolonizing gas pressure regulating station pipeline.
By applying the technical scheme, the system for improving the efficiency of the gas-steam combined cycle unit comprises: the FGH performance heater system is used for providing performance heater backwater for the water bath heating system; the water bath heating system comprises a first water bath furnace and a second water bath furnace, and is used for receiving natural gas conveyed by a natural gas supply station and return water of the performance heater, heating the natural gas through the return water of the performance heater and conveying the heated natural gas to a condensation water heater; the performance heater system with all link to each other through the performance heater return water pipeline between first water bath stove and the second water bath stove, the natural gas supply station with all link to each other through the natural gas supply pipeline between a water bath stove with between the second water bath stove, the condensate water heater with all link to each other through the decolour water heater pipeline between first water bath stove and the second water bath stove, through with water bath and FGH return water connection for FGH return water carries out heat transfer with low temperature natural gas in the water bath earlier, later returns to in the condensate water heater, thereby reaches heating natural gas and waste heat cascade utilization, has reduced FGH performance heater system heat transfer difference simultaneously, has improved unit thermal efficiency.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 shows a schematic structural diagram of a system for improving efficiency of a gas-steam combined cycle unit according to an embodiment of the present application.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
In the description of the present application, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present application and simplify the description, and do not indicate or imply that the system or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.
The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.
An embodiment of the present application provides a system for improving efficiency of a gas-steam combined cycle unit, as shown in fig. 1, the system includes:
the FGH performance heater system is used for providing performance heater backwater for the water bath heating system;
the water bath heating system comprises a first water bath furnace and a second water bath furnace, and is used for receiving natural gas conveyed by a natural gas supply station and the return water of the performance heater, heating the natural gas through the return water of the performance heater, conveying the return water of the performance heater subjected to heat exchange to a condensation water heater, and conveying the heated natural gas to a natural gas pressure regulating station;
the performance heater system is connected with the first water bath furnace and the second water bath furnace through performance heater return water pipelines, the natural gas supply station is connected with the water bath furnace and the second water bath furnace through natural gas supply pipelines, and the condensate water heater is connected with the first water bath furnace and the second water bath furnace through condensate water heater removing pipelines.
As shown in figure 1, the water heater 1 is an FGH heater, the water return temperature control valve 2 is an FGH water return bypass electric door 3 is an FGH water return water supply bath furnace electric door 4 is an FGH water supply bath furnace electric door 5 is a water bath furnace, the natural gas bypass valve 6 is a natural gas inlet valve 7, and the natural gas supply manual valve 8 is a water bath furnace. The two water bath furnaces are transported one by one. The FGH backwater enters two water bath furnaces through two electric doors respectively, and enters the water bath furnaces to heat natural gas after passing through the FGH backwater temperature control valve 2. The heated effluent returns to the condensate water heater. To avoid too low a condensate heater inlet water temperature, a FGH backwater bypass electrically operated gate 3 is provided. And meanwhile, a natural gas heater bypass valve 6 is additionally arranged to control the temperature of the natural gas.
In this embodiment, the water bath heating system is provided with two water bath furnaces, including first water bath furnace and second water bath furnace, as shown in fig. 1, two water bath furnaces all link to each other with FGH performance heater system and natural gas supply station respectively simultaneously, natural gas supply station carries first water bath furnace or second water bath furnace with natural gas through natural gas supply pipeline, the performance heater return water that provides through FGH performance heater system heats the natural gas, the performance heater return water through the heat transfer gets into the condensate water heater, the natural gas after the heating gets into natural gas pressure regulating station simultaneously and carries out the decompression treatment.
In order to reduce the FGH performance heater system heat transfer temperature difference, in some embodiments of the present application, the first water melter and the second water melter are further connected to a depressurized natural gas water heater pipeline, the depressurized natural gas water heater pipeline is used for conveying the natural gas depressurized by the natural gas pressure regulating station back to the first water melter or the second water melter for heating, and a water bath natural gas supply manual valve is arranged on the depressurized natural gas water heater pipeline.
In the embodiment, the natural gas subjected to the pressure reduction treatment is heated in the water bath furnace, so that the temperature is higher when the natural gas is returned to the water bath furnace, the return water temperature of the performance heater conveyed to the condensation water heater is higher, and the heat transfer temperature difference of the FGH performance heater system is further reduced.
To ensure stability of the system, in some embodiments of the present application, when any one of the first water melting furnace and the second water melting furnace is in an operating state, the other is in a standby state.
In this embodiment, the first water melting furnace and the second water melting furnace are provided, when one of them is in the working state, the other one is in the standby state, and when the working state of the water melting furnace fails, the other one is put into in time, so as to ensure the stable operation of the system.
In order to heat natural gas and reduce impact on a condensate heat exchanger, in some embodiments of the present application, a first FGH backwater water supply bath furnace electric door and a first FGH backwater temperature control valve are further disposed on a performance heater backwater pipeline between the performance heater system and the first water bath furnace, and a second FGH backwater water supply bath furnace electric door and a second FGH backwater temperature control valve are further disposed on a performance heater backwater pipeline between the performance heater system and the second water bath furnace.
In this embodiment, as shown in fig. 1, the flow of the FGH backwater to the natural gas heating device is regulated by the backwater temperature control valve, so as to prevent the impact of the excessively low FGH backwater temperature on the condensate system and ensure the natural gas outlet temperature. Meanwhile, in order to ensure the stability of the system under extreme conditions, the original water bath heating system is still reserved, and the influence on the stability of the system is avoided.
In order to heat natural gas, in some embodiments of the present application, a first natural gas inlet valve is further disposed on a natural gas supply pipeline between the natural gas supply station and the first water bath furnace, a second natural gas inlet valve is further disposed on a natural gas supply pipeline between the natural gas supply station and the second water bath furnace, a first natural gas supply pipeline bypass is further disposed on a natural gas supply pipeline between the natural gas supply station and the first water bath furnace, a first manual valve and a second manual valve are disposed on the first natural gas supply pipeline bypass, a second natural gas supply pipeline bypass is further disposed on a natural gas supply pipeline between the natural gas supply station and the second water bath furnace, and a third manual valve and a fourth manual valve are disposed on the second natural gas supply pipeline bypass.
In this embodiment, the natural gas supply station and the first water bath furnace or the second water bath furnace are arranged as shown in fig. 1, natural gas in the natural gas supply station is controlled to be conveyed into the water bath furnace through the natural gas inlet valve, and meanwhile, in order to ensure stable conveying of the natural gas, a natural gas supply pipeline bypass is further arranged, and a manual valve is arranged to realize manual control of natural gas conveying under emergency conditions.
To avoid excessively low condensate water temperature at the condensate water heater inlet, in some embodiments of the application, an FGH return water bypass electrically operated gate is provided between the performance heater return water conduit and the de-condensate water heater conduit.
In order to control the natural gas temperature, in some embodiments of the application, the natural gas supply station is connected with a natural gas supply pipeline between the first water bath furnaces and a natural gas pressure regulating station pipeline at the first water melting furnace through a first natural gas heater bypass valve, and the natural gas supply station is connected with a natural gas supply pipeline between the second water bath furnaces and a natural gas pressure regulating station pipeline at the second water melting furnace through a second natural gas heater bypass valve.
To ensure system stability, in some embodiments of the application, manual valves are provided on the performance heater return water line, the de-condensate water heater line, and the de-natural gas pressure regulator line.
The specific operation mode after transformation is as follows:
1. under the normal operating state, natural gas is heated by FGH backwater, and the heated natural gas enters an FGH unit for heating after being processed by a pressure regulating station, and the temperature of the natural gas is regulated by regulating a FGH backwater temperature control valve. The method can meet the subsequent requirements on the natural air temperature, simultaneously reduce the heat exchange temperature difference of the FGH unit, reduce heat loss and improve the efficiency of the unit.
2. Under the full load condition, in order to avoid removing the too low temperature of condensing water heater, through controlling FGH return water bypass electrically operated gate, guarantee condensing water heater feedwater temperature, also can adopt original gas heater heating's mode, satisfy natural gas air feed temperature, prevent condensing water heater temperature too low and produce the influence to equipment.
Through reforming over current pipeline, add the pipeline that goes natural gas heating device all the way on FGH return water pipe, add a manual door, an electrically operated gate, a temperature control valve on the pipeline simultaneously. And meanwhile, the flow of FGH backwater to the natural gas heating device is regulated through a temperature control valve. Natural gas can be heated to higher temperatures, thereby improving fuel combustion efficiency. Meanwhile, the temperature of the natural gas entering the FGH unit is higher, the heat transfer temperature difference of the FGH unit is reduced, the heat efficiency of the unit is improved, and the combined cycle thermoelectric back pressure air cooling unit is suitable for combined cycle thermoelectric back pressure air cooling units. The integral combined cycle heat utilization rate is higher, and meanwhile, the reliability of the unit can be improved.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and are not limiting; although the application has been described in detail with reference to the foregoing embodiments, it will be appreciated by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not drive the essence of the corresponding technical solutions to depart from the spirit and scope of the technical solutions of the embodiments of the present application.
Claims (9)
1. A system for increasing the efficiency of a gas-steam combined cycle unit, the system comprising:
the FGH performance heater system is used for providing performance heater backwater for the water bath heating system;
the water bath heating system comprises a first water bath furnace and a second water bath furnace, and is used for receiving natural gas conveyed by a natural gas supply station and the return water of the performance heater, heating the natural gas through the return water of the performance heater, conveying the return water of the performance heater subjected to heat exchange to a condensation water heater, and conveying the heated natural gas to a natural gas pressure regulating station;
the performance heater system is connected with the first water bath furnace and the second water bath furnace through performance heater return water pipelines, the natural gas supply station is connected with the water bath furnace and the second water bath furnace through natural gas supply pipelines, and the condensate water heater is connected with the first water bath furnace and the second water bath furnace through condensate water heater removing pipelines.
2. The system for improving efficiency of a gas-steam combined cycle unit according to claim 1, wherein a first FGH backwater water supply bath furnace electric door and a first FGH backwater temperature control valve are further arranged on a performance heater backwater pipeline between the performance heater system and the first water bath furnace, and a second FGH backwater water supply bath furnace electric door and a second FGH backwater temperature control valve are further arranged on a performance heater backwater pipeline between the performance heater system and the second water bath furnace.
3. The system for increasing the efficiency of a gas-steam combined cycle unit according to claim 1, wherein a first natural gas inlet valve is further provided on a natural gas supply line between the natural gas supply station and the first water bath, a second natural gas inlet valve is further provided on a natural gas supply line between the natural gas supply station and the second water bath, a first natural gas supply line bypass is further provided on a natural gas supply line between the natural gas supply station and the first water bath, a first manual valve and a second manual valve are provided on the first natural gas supply line bypass, a second natural gas supply line bypass is further provided on a natural gas supply line between the natural gas supply station and the second water bath, and a third manual valve and a fourth manual valve are provided on the second natural gas supply line bypass.
4. The system for increasing the efficiency of a gas-steam combined cycle unit of claim 1, wherein an FGH return water bypass electrically operated gate is disposed between the performance heater return water conduit and the de-condensing water heater conduit.
5. The system for increasing the efficiency of a gas-steam combined cycle plant of claim 1, wherein the natural gas supply station, the first water melter, and the second water melter are each connected to the natural gas pressure regulating station by a pipeline to the natural gas pressure regulating station.
6. The system for increasing the efficiency of a gas-steam combined cycle plant according to claim 3 or 5, wherein the natural gas supply station is connected to a natural gas supply line between the first water bath and a line to a natural gas pressure regulator at the first water smelter through a first natural gas heater bypass valve, and the natural gas supply station is connected to a natural gas supply line between the second water bath and a line to a natural gas pressure regulator at the second water smelter through a second natural gas heater bypass valve.
7. The system for increasing the efficiency of a gas-steam combined cycle plant according to claim 1, wherein the first water-melting furnace and the second water-melting furnace are further connected to a depressurized natural gas water-supply heater pipeline for conveying the depressurized natural gas through a natural gas pressure regulating station back to the first water-melting furnace or the second water-melting furnace for heating, and a water bath natural gas supply manual valve is arranged on the depressurized natural gas water-supply heater pipeline.
8. The system for increasing the efficiency of a gas-steam combined cycle plant of claim 1, wherein when either one of said first water smelter and said second water smelter is in operation, the other is in standby.
9. The system for increasing the efficiency of a gas-steam combined cycle unit according to claim 1 or 5, wherein manual valves are arranged on the performance heater return water pipeline, the decolonizing water heater pipeline and the decolonizing gas pressure regulating station pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310626948.7A CN116697609A (en) | 2023-05-30 | 2023-05-30 | System for improving efficiency of gas-steam combined cycle unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310626948.7A CN116697609A (en) | 2023-05-30 | 2023-05-30 | System for improving efficiency of gas-steam combined cycle unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116697609A true CN116697609A (en) | 2023-09-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310626948.7A Pending CN116697609A (en) | 2023-05-30 | 2023-05-30 | System for improving efficiency of gas-steam combined cycle unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116697609A (en) |
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2023
- 2023-05-30 CN CN202310626948.7A patent/CN116697609A/en active Pending
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