CN207999296U - Natural gas overbottom pressure and gas turbine coupling combined supplying system, pipe network system - Google Patents
Natural gas overbottom pressure and gas turbine coupling combined supplying system, pipe network system Download PDFInfo
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- CN207999296U CN207999296U CN201820349361.0U CN201820349361U CN207999296U CN 207999296 U CN207999296 U CN 207999296U CN 201820349361 U CN201820349361 U CN 201820349361U CN 207999296 U CN207999296 U CN 207999296U
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 236
- 239000003345 natural gas Substances 0.000 title claims abstract description 118
- 239000007789 gas Substances 0.000 title claims abstract description 95
- 230000008878 coupling Effects 0.000 title claims abstract description 33
- 238000010168 coupling process Methods 0.000 title claims abstract description 33
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 33
- 238000010248 power generation Methods 0.000 claims abstract description 28
- 238000010521 absorption reaction Methods 0.000 claims abstract description 24
- 230000001105 regulatory effect Effects 0.000 claims abstract description 24
- 239000002918 waste heat Substances 0.000 claims description 27
- 238000005057 refrigeration Methods 0.000 claims description 21
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 16
- 239000003546 flue gas Substances 0.000 claims description 16
- 238000004146 energy storage Methods 0.000 claims description 15
- 238000010438 heat treatment Methods 0.000 claims description 7
- 239000000126 substance Substances 0.000 abstract description 3
- 239000003517 fume Substances 0.000 abstract 1
- 230000010354 integration Effects 0.000 abstract 1
- 238000005457 optimization Methods 0.000 abstract 1
- 230000009897 systematic effect Effects 0.000 abstract 1
- 230000005611 electricity Effects 0.000 description 10
- 238000002485 combustion reaction Methods 0.000 description 5
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000007363 regulatory process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000005338 heat storage Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The utility model is related to field of energy utilization, a kind of natural gas overbottom pressure and gas turbine coupling combined supplying system, pipe network system are disclosed, including:Natural gas top pressure power generation, cold energy use, gas turbine power generation, fume afterheat utilizes and natural gas preheats five subsystems, including:Expanding machine, the first generator, refrigerated heat exchanger, gas turbine, the second generator and exhaust-heat absorption formula utilize device, expanding machine and the connection of the first generator;Refrigerated heat exchanger is connect with the outlet end of natural gas top pressure power generation subsystem;Second generator is connect by gas turbine with the second regulating valve;Exhaust-heat absorption formula is connect using device with the outlet end of gas turbine power generation subsystem.High-pressure natural gas pressure energy and chemical energy are utilized and are combined by the utility model, systematic integration optimization, it externally produces electricl energy, cold energy and thermal energy, and export low pressure natural gas, realize energy cascade utilization, enhance for stabilizability, system overall efficiency greatly improves, significant to the popularization and application of distributed energy.
Description
Technical Field
The utility model relates to an energy utilization field especially relates to a natural gas residual pressure and gas turbine coupling allies oneself with confession system, pipe network system.
Background
The natural gas is used as an efficient, clean and low-carbon energy, the position of the natural gas in the energy structure of China is gradually improved, and the state clearly proposes that: by 2020, the natural gas consumption proportion strives to reach 10% in China. The method accelerates the development of the natural gas industry, is a necessary way for building a clean, low-carbon, safe and efficient modern energy system in China, and is an effective way for improving the atmospheric quality and realizing green and low-carbon life.
Pipeline transportation is the most common and effective mode for long-distance transportation of natural gas, and domestic gas transportation projects such as east transportation of western gas, east transportation of chuan gas, natural gas pipelines in china and russia, natural gas pipelines in china and the like are constructed and put into operation in succession. At present, the long-distance natural gas in China is mostly conveyed by high-pressure pipes, the pressure is over 10MPa, the conveyed high-pressure natural gas is reduced to the medium pressure standard through a pressure regulating station and enters an urban gas pipe network, and the pressure is reduced to low pressure by means of a pressure regulating station box and then is used by users. The natural gas releases a large amount of pressure energy in the pressure regulating process, and simultaneously the temperature is rapidly reduced to generate a large amount of cold energy. At present, the partial pressure difference can not be collected and applied by related processes, so that the resource is greatly wasted, and meanwhile, the safe operation of the pressure regulating equipment is threatened by rapid temperature reduction.
The traditional natural gas and gas turbine distributed energy system has the defects of unbalanced cooling, heating and power loads, narrow range of unit operating conditions, low efficiency and the like. In practical application, the natural gas is designed and operated according to modes such as 'electricity is fixed by heat' or 'electricity is fixed by heat', the comprehensive utilization efficiency and the energy supply stability of the natural gas are low, and the large-scale application of the natural gas is limited. Therefore, how to improve the comprehensive utilization efficiency of natural gas and the energy supply stability by using a new strategy and thought is a problem to be solved urgently at present.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model aims at providing a natural gas residual pressure and gas turbine coupling allies oneself with confession system, pipe network system, solve the unable recovered natural gas in the prior art on the one hand and release a large amount of pressure energy in the pressure regulating process, cause the very big waste of resource, the temperature reduces rapidly simultaneously, produces a large amount of cold energy, threatens to the safe operation of pressure regulating equipment; on the other hand, the problems that the cooling, heating and power loads of the traditional distributed energy system of the gas turbine are unbalanced and the comprehensive utilization efficiency of energy is low are effectively solved.
(II) technical scheme
In order to solve the technical problem, the utility model provides a natural gas residual pressure and gas turbine coupling ally oneself with confession system, a serial communication port, include: the system comprises a natural gas residual pressure power generation subsystem, a cold energy utilization subsystem, a gas turbine power generation subsystem, a flue gas residual heat utilization subsystem and a natural gas preheating subsystem; wherein,
the natural gas excess pressure power generation subsystem comprises an expander and a first generator, and the expander is connected with the first generator;
the cold energy utilization subsystem comprises a refrigeration heat exchanger, and the refrigeration heat exchanger is connected with the expansion machine;
the gas turbine power generation subsystem comprises a gas turbine and a second generator, and the gas turbine is connected with the second generator;
the flue gas waste heat utilization subsystem comprises a waste heat absorption type utilization device, and an inlet of the waste heat absorption type utilization device is connected with an outlet end of the gas turbine;
the natural gas preheating subsystem comprises a preheating heat exchanger and an electric heater, the electric heater is connected to an inlet of the gas turbine and used for heating natural gas introduced into the gas turbine or a next-stage low-pressure pipe network, one heat exchange pipeline of the preheating heat exchanger is connected between the refrigerating heat exchanger and the electric heater, and the other heat exchange pipeline of the preheating heat exchanger is connected with the waste heat absorption type utilization device.
The natural gas residual pressure power generation subsystem further comprises a first filter, and the first filter is connected with an inlet of the expansion machine.
The natural gas excess pressure power generation subsystem further comprises a first regulating valve, and the first regulating valve is connected between the first filter and the inlet of the expansion machine.
The gas turbine power generation subsystem further comprises a second regulating valve, and the electric heater is connected to the inlet of the gas turbine through the second regulating valve.
The system further comprises a first energy storage tank and a second energy storage tank, wherein the first energy storage tank is connected with the refrigeration heat exchanger, and the second energy storage tank is connected with the waste heat absorption type utilization device.
The refrigeration heat exchanger is connected with the outlet end of the expansion machine, and the waste heat absorption type utilization device is connected with the outlet end of the gas turbine.
Wherein the expander is a turbine expander or a screw expander.
The utility model discloses a natural gas residual pressure and gas turbine coupling ally oneself with and supply pipe network system still includes bypass pipe network system, bypass pipe network system includes trip valve, second filter, first air-vent valve, second air-vent valve, emergency cut-off valve, stop valve and the utility model discloses a natural gas residual pressure and gas turbine coupling ally oneself with and supply system, trip valve, second filter, first air-vent valve and second air-vent valve are connected according to the order, the one end of emergency cut-off valve connect in the second filter with between the first air-vent valve, the other end of emergency cut-off valve with natural gas residual pressure and gas turbine coupling ally oneself with and supply headtotail, the stop valve connect in low reaches natural gas pipe network with between natural gas residual pressure and the gas turbine coupling ally oneself with and supply system.
(III) advantageous effects
The utility model provides a pair of natural gas residual pressure and gas turbine coupling ally oneself with confession system, pipe network system utilizes natural gas pressure difference energy electricity generation through expander and first generator to produce the cold energy, utilize the electricity generation of natural gas chemical energy through gas turbine and second generator, utilize the flue gas waste heat to produce cold energy and heat energy, and preheat the refrigeration heat exchanger export natural gas. The system is integrated and optimized, supplements each other, generates electric energy, cold energy and heat energy to the outside, outputs low-pressure natural gas, realizes energy cascade utilization, enhances energy supply stability, greatly improves equipment utilization rate and system comprehensive efficiency, and has great significance for popularization and application of distributed energy.
Drawings
Fig. 1 is a schematic structural diagram of a natural gas excess pressure and gas turbine coupled combined supply system according to the present invention;
fig. 2 is the utility model discloses a natural gas excess pressure and gas turbine coupling pipe network system's schematic structure.
In the figure, 1, a cut-off valve; 2. a second filter; 3. a first pressure regulating valve; 4. a second pressure regulating valve; 5. an emergency shut-off valve; 6. the natural gas residual pressure and the gas turbine are coupled with a combined supply system; 7. a stop valve; 601. a first filter; 602. a first regulating valve; 603. a first generator; 604. an expander; 605. a first energy storage tank; 606. a refrigeration heat exchanger; 607. preheating a heat exchanger; 608. a gas turbine; 609. an electric heater; 610. a second generator; 611. a second energy storage tank; 612. a waste heat absorption type utilization device; 613. a second regulator valve.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1, the utility model discloses a natural gas excess pressure and gas turbine coupling ally oneself with confession system, include: the system comprises a natural gas residual pressure power generation subsystem, a cold energy utilization subsystem, a gas turbine power generation subsystem, a flue gas residual heat utilization subsystem and a natural gas preheating subsystem; wherein,
the natural gas residual pressure power generation subsystem comprises an expander 604 and a first generator 603, wherein the expander 604 is connected with the first generator 603;
the cold energy utilization subsystem comprises a refrigeration heat exchanger 606, and the refrigeration heat exchanger 606 is connected with the expander 604;
the gas turbine power generation subsystem comprises a gas turbine 608 and a second generator 610, wherein the gas turbine 608 and the second generator 610 are connected;
the flue gas waste heat utilization subsystem comprises a waste heat absorption type utilization device 612, and an inlet of the waste heat absorption type utilization device 612 is connected with an outlet end of the gas turbine 608;
the natural gas preheating subsystem comprises a preheating heat exchanger 607 and an electric heater 609, the electric heater 609 is connected to the inlet of the gas turbine 608 and is used for heating natural gas introduced into the gas turbine 608 or a next-stage low-pressure pipe network, one heat exchange pipeline of the preheating heat exchanger 607 is connected between the refrigerating heat exchanger 606 and the electric heater 609, and the other heat exchange pipeline of the preheating heat exchanger 607 is connected with the outlet of the waste heat absorption type utilization device 612.
Specifically, the high-pressure natural gas is conveyed to the natural gas excess pressure power generation subsystem by using a pipeline, the expander 604 expands and reduces the pressure by using the high-pressure natural gas, mechanical power is output outwards, the temperature of the high-pressure gas is rapidly reduced, and the first generator 603 generates power by using mechanical energy. The natural gas passing through the expander 604 is at a low temperature and a specific pressure, and enters the refrigeration heat exchanger 606 to exchange heat with the refrigeration working medium, so as to exchange cold energy for users to use. After the temperature of the natural gas is raised by the preheating subsystem, a part of the natural gas enters the gas turbine power generation subsystem through the second adjusting valve 613, is combusted to apply work and generate power, and a part of the natural gas enters the next-stage low-pressure pipe network system through the stop valve 7. Hot flue gas generated by combustion of the gas turbine is introduced into the flue gas waste heat utilization subsystem, and cold energy or heat energy can be output according to different requirements. For example, the lithium bromide absorption type unit using the flue gas waste heat can output heat energy outwards, and can also use heat absorption type refrigeration, so that the lithium bromide absorption type unit is a common refrigeration air conditioning unit. The cooling/heating operation mode can be adjusted according to seasons. The gas turbine 608 may be selected from heavy duty, light duty and micro gas turbines depending on the user's cold, heat and electricity requirements. The gas turbine 608 drives a second generator 610 to generate electricity. The inlet of the expander 604 is also provided with a first regulating valve 602, which regulates the natural gas flow according to the external energy demand and regulates and controls the natural gas pressure according to the inlet condition of the expander 604. Further, the inlet of the gas turbine 608 is provided with a second regulating valve 613, and the electric heater 609 is connected to the inlet of the gas turbine 608 through the second regulating valve 613, controls the inlet flow and pressure, and plays a role in cutting off the natural gas at the inlet of the gas turbine. The gas turbine 608 is also provided with an air inlet. Furthermore, the natural gas residual pressure and the gas turbine coupling combined supply system can share the power generation grid-connected complete equipment, and cost is saved. The natural gas preheating subsystem can use the generated hot flue gas for heating low-temperature natural gas, and then the hot flue gas is introduced into the gas turbine 608 for combustion or enters a next-stage low-pressure pipe network system, so that the cascade utilization of the hot flue gas is increased, and the system efficiency is improved. Preferably, a temperature sensor is further disposed at the inlet of the gas turbine 608, so as to monitor the temperature at the inlet in real time and control the on/off of the electric heater 609 according to the temperature.
The natural gas residual pressure power generation subsystem further comprises a first filter 601, and the first filter 601 is connected with an inlet of the expander 604. The device is used for filtering out impurities in natural gas, and avoids the problems of damage to system components and low combustion efficiency.
The system further comprises a first energy storage tank 605 and a second energy storage tank 611, wherein the first energy storage tank 605 is connected with the refrigeration heat exchanger 606, and the second energy storage tank 611 is connected with the waste heat absorption type utilization device 612. According to the output cold energy or heat energy, the cold storage tank and the heat storage tank are respectively provided, specifically, the first energy storage tank 605 is a cold storage tank; the second accumulator tank 611 is a cold accumulator tank or a heat accumulator tank, as necessary. And timely outputting according to the user requirements to realize peak clipping and valley filling of energy consumption.
The refrigeration heat exchanger 606 is connected to an outlet end of the expander 604, and the waste heat absorption-type utilization device 612 is connected to an outlet end of the gas turbine 608. The refrigeration heat exchanger 606 of the embodiment is connected with the expander 604 of the natural gas residual pressure power generation subsystem, that is, the expander 604 has two outlet ends, one of which is connected with the first generator 603 for power generation, and the other of which is connected with the refrigeration heat exchanger 606 for providing cold energy; the waste heat absorption type utilization device 612 is connected with the gas turbine 608 of the gas turbine power generation subsystem, that is, the gas turbine 608 has two outlet ends, one of which is connected with the second generator 610, the combustion work is done to generate mechanical energy, the second generator 610 is used for generating power, and the other is connected with the waste heat absorption type utilization device 612, and the generated hot flue gas has internal energy to provide heat energy or cold energy.
Wherein, according to the flow pressure range, the expander 604 can be a turbine expander or a screw expander.
As shown in fig. 2, the utility model also discloses a natural gas residual pressure and gas turbine coupling ally oneself with and supply pipe network system, including bypass access pipe network system, bypass pipe network system includes trip valve 1, second filter 2, first air-vent valve 3, second air-vent valve 4, emergency cut-off valve 5, stop valve 7 and the utility model discloses a natural gas residual pressure and gas turbine coupling ally oneself with and supply system 6, trip valve 1, second filter 2, first air-vent valve 3 and second air-vent valve 4 are connected in order, emergency cut-off valve 5's one end connect in second filter 2 with between the first air-vent valve 3, emergency cut-off valve 5's the other end with natural gas residual pressure and gas turbine coupling ally oneself with and supply system 6 and be connected, stop valve 7 is connected between low reaches natural gas pipe network and natural gas residual pressure and gas turbine coupling ally oneself with and supply system 6.
Specifically, through the form of connecting in parallel at natural gas high pressure delivery pipe network bypass, increase natural gas excess pressure and gas turbine coupling confession system that allies oneself with, the air supply is promptly cut off in opening and close of usable quick action emergency valve 5, and furthest reduces the influence to original pipeline conveying system.
Wherein, stop valve 7 plays the protection and cuts the effect, prevents that the natural gas residual pressure from alliing oneself with when supplying the system and not moving with the gas turbine coupling, and the natural gas among the low pressure pipe network system gets into in natural gas residual pressure and the gas turbine coupling allies oneself with confession system 6.
The utility model discloses still disclose a natural gas excess pressure and gas turbine coupling antithetical couplet confession method, utilize the utility model discloses a natural gas excess pressure and gas turbine coupling antithetical couplet confession system's working method, it includes:
s1, expanding the natural gas by an expander to do work and drive a first generator to generate electric energy;
s2, the expanded natural gas enters a refrigeration heat exchanger, exchanges cold energy, is supplied to a user, and is heated by a preheating heat exchanger and an electric heater;
s3, introducing a part of the heated natural gas into a gas turbine, burning to do work, and driving a second generator to generate electric energy; the other part enters a downstream natural gas pipe network system;
and S4, introducing the combusted natural gas into a waste heat absorption type utilization device for waste heat utilization.
Specifically, the natural gas expands to do work to generate mechanical energy to drive the first generator to generate electricity; the generated cold energy is exchanged with the heat of the refrigerating working medium, and the cold energy is stored in a cold storage tank for a user to use; after preheating the low-temperature natural gas in the S2, enabling a part of the low-temperature natural gas to enter a gas turbine, burning the low-temperature natural gas to do work, driving a second generator to generate electricity, and enabling the redundant part of the low-temperature natural gas to enter a downstream natural gas pipe network system; the hot flue gas generated by combustion is utilized by a waste heat absorption type utilization device to generate heat energy or cold energy.
The utility model discloses a natural gas residual pressure and gas turbine coupling ally oneself with confession system, pipe network system utilizes natural gas pressure difference energy electricity generation through expander and first generator to produce the cold energy, utilize the natural gas chemical energy electricity generation through gas turbine and second generator, utilize the flue gas waste heat to produce cold energy or heat energy, and preheat the gas turbine import and the natural gas that gets into low reaches natural gas pipe network system. The system is integrated and optimized, energy supply is mutually supplemented, electric energy, cold energy and heat energy are externally generated, low-pressure natural gas is output, energy gradient utilization is realized, energy supply stability is enhanced, energy comprehensive utilization efficiency reaches more than 70%, the system is an important mode for efficient utilization of natural gas, economic benefits are remarkable, and the system is significant to popularization and application of distributed energy.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A natural gas excess pressure and gas turbine coupled cogeneration system, comprising: the system comprises a natural gas residual pressure power generation subsystem, a cold energy utilization subsystem, a gas turbine power generation subsystem, a flue gas residual heat utilization subsystem and a natural gas preheating subsystem; wherein,
the natural gas residual pressure power generation subsystem comprises an expander (604) and a first generator (603), wherein the expander (604) is connected with the first generator (603);
the cold energy utilization subsystem comprises a refrigeration heat exchanger (606), and the refrigeration heat exchanger (606) is connected with the expander (604);
the gas turbine power generation subsystem comprises a gas turbine (608) and a second generator (610), the gas turbine (608) and the second generator (610) being connected;
the flue gas waste heat utilization subsystem comprises a waste heat absorption type utilization device (612), and an inlet of the waste heat absorption type utilization device (612) is connected with an outlet end of the gas turbine (608);
the natural gas preheating subsystem comprises a preheating heat exchanger (607) and an electric heater (609), the electric heater (609) is connected to an inlet of a gas turbine (608) and used for heating natural gas introduced into the gas turbine (608) or a next-stage low-pressure pipe network, one heat exchange pipeline of the preheating heat exchanger (607) is connected between the refrigerating heat exchanger (606) and the electric heater (609), and the other heat exchange pipeline of the preheating heat exchanger (607) is connected with an outlet of the waste heat absorption type utilization device (612).
2. The system for coupling the natural gas residual pressure and the gas turbine according to claim 1, wherein the natural gas residual pressure power generation subsystem further comprises a first filter (601), and the first filter (601) is connected with an inlet of the expander (604).
3. The system for coupling excess natural gas pressure to a gas turbine according to claim 2, wherein the system for generating excess natural gas pressure further comprises a first regulating valve (602), wherein the first regulating valve (602) is connected between the first filter (601) and an inlet of the expander (604).
4. The system for coupling natural gas residual pressure and gas turbine engine as claimed in claim 1, wherein the gas turbine engine power generation subsystem further comprises a second regulating valve (613), and the electric heater (609) is connected to an inlet of a gas turbine engine (608) through the second regulating valve (613).
5. The natural gas excess pressure and gas turbine coupled combined supply system as claimed in claim 1, further comprising a first energy storage tank (605) and a second energy storage tank (611), wherein the first energy storage tank (605) is connected with the refrigeration heat exchanger (606), and the second energy storage tank (611) is connected with the excess heat absorption type utilization device (612).
6. The system for the cogeneration of natural gas pressure and gas turbine coupling of claim 1, wherein said refrigeration heat exchanger (606) is connected to an outlet end of said expander (604), and said waste heat absorption utilization device (612) is connected to an outlet end of said gas turbine (608).
7. The system for cogeneration coupling natural gas excess pressure with a gas turbine according to any one of claims 1-6, wherein said expander (604) is a turbine expander or a screw expander.
8. A natural gas excess pressure and gas turbine coupling combined supply pipe network system is characterized by further comprising a bypass pipe network system, wherein the bypass pipe network system comprises a stop valve (1), a second filter (2), a first pressure regulating valve (3), a second pressure regulating valve (4), an emergency stop valve (5), a stop valve (7) and the natural gas excess pressure and gas turbine coupling combined supply system (6) according to any one of claims 1 to 7, the stop valve (1), the second filter (2), the first pressure regulating valve (3) and the second pressure regulating valve (4) are connected in sequence, one end of the emergency stop valve (5) is connected between the second filter (2) and the first pressure regulating valve (3), the other end of the emergency stop valve (5) is connected with the natural gas excess pressure and gas turbine coupling combined supply system (6), the stop valve (7) is connected between a downstream natural gas pipe network and the natural gas residual pressure and gas turbine coupling combined supply system (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820349361.0U CN207999296U (en) | 2018-03-14 | 2018-03-14 | Natural gas overbottom pressure and gas turbine coupling combined supplying system, pipe network system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820349361.0U CN207999296U (en) | 2018-03-14 | 2018-03-14 | Natural gas overbottom pressure and gas turbine coupling combined supplying system, pipe network system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108316981A (en) * | 2018-03-14 | 2018-07-24 | 中节能工程技术研究院有限公司 | Natural gas overbottom pressure and gas turbine coupling combined supplying system, pipe network system and method |
| CN109882292A (en) * | 2019-03-27 | 2019-06-14 | 赫普科技发展（北京）有限公司 | A kind of LNG gas turbine coupling cold energy generation system and electricity-generating method |
| CN112344760A (en) * | 2020-11-26 | 2021-02-09 | 华能国际电力股份有限公司 | Spray cooling system utilizing natural gas pressure energy of combined cycle unit |
-
2018
- 2018-03-14 CN CN201820349361.0U patent/CN207999296U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108316981A (en) * | 2018-03-14 | 2018-07-24 | 中节能工程技术研究院有限公司 | Natural gas overbottom pressure and gas turbine coupling combined supplying system, pipe network system and method |
| CN108316981B (en) * | 2018-03-14 | 2024-05-03 | 中节能工程技术研究院有限公司 | Natural gas residual pressure and gas turbine coupling and supplying system, pipe network system and method |
| CN109882292A (en) * | 2019-03-27 | 2019-06-14 | 赫普科技发展（北京）有限公司 | A kind of LNG gas turbine coupling cold energy generation system and electricity-generating method |
| CN112344760A (en) * | 2020-11-26 | 2021-02-09 | 华能国际电力股份有限公司 | Spray cooling system utilizing natural gas pressure energy of combined cycle unit |
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Granted publication date: 20181023 Effective date of abandoning: 20240503 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20181023 Effective date of abandoning: 20240503 |