CN107575744A - Natural gas pressure regulating generating integration device and method - Google Patents
Natural gas pressure regulating generating integration device and method Download PDFInfo
- Publication number
- CN107575744A CN107575744A CN201710690174.9A CN201710690174A CN107575744A CN 107575744 A CN107575744 A CN 107575744A CN 201710690174 A CN201710690174 A CN 201710690174A CN 107575744 A CN107575744 A CN 107575744A
- Authority
- CN
- China
- Prior art keywords
- pressure
- expansion power
- power generation
- signal
- generation system
- 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.)
- Granted
Links
Abstract
The present invention relates to a kind of natural gas pressure regulating generating integration device and method, the device includes heating system, expansion power generation system, flow control system and pressure regulation bypass；Heating system preheats to high-pressure natural gas；Flow control system with pressure regulation bypass and expansion power generation system communication, obtains pressure, temperature signal that pressure regulation bypasses, the system operating of control expansion power generation respectively；Expansion power generation system is generated electricity using asynchronous generator；The pressure regulator valve that pressure regulation bypass is set is opened during still too low downstream pressure in the running at full capacity of expansion power generation system.The present invention has reclaimed pressure energy during to high-pressure natural gas pressure regulation, drives electrical power generators to be powered to power network, and the hand-in-glove bypassed by expansion system, flow control system and pressure regulation, and regulation gas pressure, flow are to setting level.
Description
Technical field
The present invention relates to one kind to utilize pressure energy of natural gas recovery generating and pressure-regulating device, and in particular to a kind of natural
The electrical integrated device and method of controlled atmosphere pressure.
Background technology
It is the pressure that the pipe network gas of high pressure, sub-high pressure is decompressed to downstream pipe network that natural valve station owner, which will act on, add it is smelly simultaneously
Deliver to city medium pressure gas network.The huge overbottom pressure waste energy resource contained in gas distributing system, can be widely applied to generate electricity,
The multiple uses such as pressure regulation gas storage, refrigeration, production LNG.But because natural gas passes through multi-stage pressure regulating, voltage regulating station scattered distribution is right
Natural gas overbottom pressure utilizes and brings difficulty.
Pressure energy of natural gas drives expansion power generator to generate electricity, and is the first choice that city natural gas pipe network pressure energy recycles,
And expansion power generator electricity generation grid-connecting is realized, power to public network, even more have great importance.
The content of the invention
It is an object of the invention to provide a kind of natural gas pressure regulating generating integration device, for the pressure regulation of natural valve station, and
Electrical power generators are driven using high-pressure natural gas pressure energy.
The device includes to the next pre-warmed heating system of natural gas of high pressure pipe network, utilizes the natural gas after preheating to send out
The expansion power generation system of electricity, the pressure regulation bypass drawn on the connecting line between heating system and expansion power generation system, basis
Pressure sensor, the pressure of temperature sensor acquisition, the temperature signal set in pressure regulation bypass controls the operating of expansion power generation system
So as to which door station flow and outlet pressure are adjusted to the flow control system of setting value.
Further, expansion power generation system is connected to power network to utilize the phylogenetic electric power of expansion power generation.
Further, the expansion power generation system is generated electricity using asynchronous generator.
Further, pressure regulation bypass sets pressure regulator valve, and pressure regulator valve is in the running at full capacity of expansion power generation system and downstream
Opened during hypotony.
Further, the heating system sets heat exchanger, the high pressure for entrance side of being stood on the door by external source offer heat
Heated by natural gas, avoid high-pressure natural gas be expanded to low pressure after temperature it is too low.
The flow control system obtains pressure regulation with pressure regulation bypass and expansion power generation system communication, flow control system respectively
Pressure, temperature signal in bypass.
The expansion power generation system includes an expansion power generator (including expanding machine and generator), or also may be used as needed
More parallel connections are set.
The pressure regulation bypass includes a pressure regulator valve, a temperature sensor and a pressure sensor.
The flow control system includes a four-quadrant being arranged on the connection line between expansion power generator and power network
Limit frequency converter and an arithmetic unit being attached thereto, the arithmetic unit can be by the temperature from temperature sensor and pressure sensor
The flow signal that degree and pressure signal converse is converted to frequency signal, and frequency signal sends four-quadrant frequency converter, four-quadrant to
Frequency converter sends frequency signal to expansion power generation system again, natural so as to adjust door station to adjust the rotating speed of expansion power generator
Throughput and outlet pressure.
For said heating system to entering in the high-pressure natural gas preheating at introduction station, being preheated to how many degrees Celsius can be by ability
Domain those of ordinary skill determines that temperature drop is excessive according to caused temperature drop degree in pressure reduction, when low-side temperature is too low, pipe
Road may frosting even it is freezing.
Invention further provides a kind of generating integrated method of natural gas pressure regulating using said apparatus, including：
The natural gas that high pressure pipe network comes enters natural valve station, and two-way is divided into after heating system heats, is connected all the way
Expansion power generator, drives expansion power generator to generate electricity, and pressure energy of natural gas is reclaimed；The electricity that expansion power generator is sent passes through flow
Powered after the four-quadrant frequency converter frequency conversion of control system to power network；
Another way is pressure regulation bypass, and natural gas is by the pressure regulator valve reducing pressure by regulating flow that is provided with, and pressure regulator valve is from being arranged on it
Pressure sensor afterwards obtains pressure signal, and pressure regulator valve is controlled by the pressure signal；Meanwhile set in pressure regulation bypass
Temperature sensor and pressure sensor, its signal is also communicated to flow control system, frequency is converted to by flow control system
After Regulate signal, expansion power generation system is sent to, controls the rotating speed of expansion power generation system.
Further, in the pressure regulation method of above-mentioned natural gas pressure regulating generating integration device, pressure sensor and temperature
Sensor communicates with flow control system, sends pressure and temperature signal to flow control system, flow control system respectively
Flow signal is scaled after reception signal, and sends arithmetic unit to, frequency signal is converted to by arithmetic unit, frequency signal passes
Four-quadrant frequency converter is given, four-quadrant frequency converter sends frequency signal to expansion power generation system again, to adjust expansion power generator
Rotating speed, so as to adjust door station gas discharge and outlet pressure.
Further, when detecting that (outlet lateral pressure in door station is influenceed a station outlet lateral pressure by downstream user dosage, demand
When measuring big, on the contrary outlet lateral pressure is relatively low, then higher) higher than setting value (setting value depending on the situation of downstream, if downstream is use
Family, then it is user's atmospheric pressure；Then it is downstream ductwork pressure if downstream is low-pressure pipe network) when, flow control system obtains flow
Too high signal, this flow signal send arithmetic unit to, and arithmetic unit gives four-quadrant frequency converter transmission frequency signal, four-quadrant frequency conversion
Device sends frequency signal to expansion power generation system again, make expansion power generator rotating speed reduce (consider generator it is stable,
Rotating speed preferably gradually reduces), with the reduction of rotating speed, expansion power generation system outlet pressure is reduced, and gas discharge is reduced；
When detecting that a station outlet lateral pressure is less than setting value, flow control system obtains the too low signal of flow, this
Flow signal sends arithmetic unit to, and arithmetic unit gives four-quadrant frequency converter transmission frequency signal, and four-quadrant frequency converter again believes frequency
Number send expansion power generation system to, improve expansion power generator rotating speed, (consider that the operation of generator is steady with the raising of rotating speed
Fixed, rotating speed preferably gradually steps up), expansion power generation system outlet pressure rise, gas discharge increase；
When expansion power generation system oepration at full load, but when outlet lateral pressure in door station is still below setting value, in pressure regulation bypass
The signal that pressure regulator valve receives pressure sensor is opened, and automatically adjusts aperture, the increase of natural valve station total flow.
Outlet pressure of expansion machine changes, temperature also can respective change, some other uncertain factor in addition, after expanding machine
Natural gas temperature is unstable, and natural valve station flow measuring system uses volume flowmeter more, sets pressure, temperature to pass
Sensor, information transmission are modified to the volumetric flow units of measurement, can be just scaled not by temperature, pressure to flow measuring system
Flow value under the mark condition that power influences.
Advantages of the present invention：
1st, generating pressure regulation integrated apparatus of the invention utilizes asynchronous expansion power generator generating pressure recovery energy, the electricity sent
It can power, have great importance to public network with grid-connected processing；This device also achieves natural gas pressure regulating, maintains natural valve
Downstream pressure of standing is stabilized, and adapts to the significantly change that throughput is carried out at a station；
2nd, the requirement of national energy-saving emission reduction is met, according to national regulation, per 1kWh generated energy equivalent to 0.39kg standard coals,
The discharge of 0.785kg carbon dioxide will be reduced per hour；Using high pressure pipe network natural gas top pressure power generation, carbon row can be effectively reduced
Put.
Brief description of the drawings
The schematic diagram of Fig. 1 flows of the present invention, wherein,
1st, power network；3rd, flow control system；11st, heating system；21st, expanding machine；22nd, generator；31st, four-quadrant frequency conversion
Device；32nd, arithmetic unit；41st, pressure regulator valve；42nd, pressure sensor；43rd, temperature sensor；.
Embodiment
As shown in figure 1, a kind of natural gas pressure regulating generating integration device, for the pressure regulation of natural valve station, and utilizes high pressure
Pressure energy of natural gas drives electrical power generators, and the device includes a kind of natural gas pressure regulating generating integration device, for natural gas
Door station pressure regulation, and drive electrical power generators using high-pressure natural gas pressure energy.
The device includes to the next pre-warmed heating system 11 of natural gas of high pressure pipe network, utilizes the natural gas after preheating
The pressure regulation drawn in the expansion power generation system (21,22) of generating, the connecting line between heating system and expansion power generation system
Bypass, bypassed according to pressure regulation set pressure sensor 42, temperature sensor 43 obtain pressure, temperature signal control it is swollen
Swollen electricity generation system operating is so that door station flow and outlet pressure are adjusted to the flow control system 3 of setting value.Expansion power generation system
System is connected to power network 1 to utilize the phylogenetic electric power of expansion power generation.The pressure regulation bypass sets pressure regulator valve 41, and pressure regulator valve 41 exists
The running at full capacity of expansion power generation system and open during too low downstream pressure.The expansion power generation system may include an expansion power generation
Machine (including expanding machine 21 and generator 22), or more parallel connections are may also set up as needed.The expansion power generation system can use
Asynchronous generator generates electricity.
It is preferred that the heating system sets heat exchanger, the high-pressure natural gas for entrance side of being stood on the door by external source offer heat
Heating, avoid high-pressure natural gas be expanded to low pressure after temperature it is too low.
The flow control system obtains pressure regulation with pressure regulation bypass and expansion power generation system communication, flow control system respectively
Pressure, temperature signal in bypass.
The pressure regulation bypass includes a pressure regulator valve 41, a temperature sensor 43 and a pressure sensor 42.
The flow control system 3 includes a four-quadrant being arranged on the connection line between expansion power generator and power network
Limit frequency converter 31 and an arithmetic unit 32 being attached thereto, the arithmetic unit 32 can will come from temperature sensor 43 and pressure passes
The flow signal that the temperature and pressure signal of sensor 42 converses is converted to frequency signal, and frequency signal sends four-quadrant frequency conversion to
Device 31, four-quadrant frequency converter 31 send frequency signal to expansion power generation system (21,22) again, to adjust turning for expansion power generator
Speed, so as to adjust door station gas discharge and outlet pressure.
Included using a kind of generating integrated method of natural gas pressure regulating of said apparatus：
The natural gas that high pressure pipe network comes enters natural valve station, is divided into two-way after described heating system 11 heats,
Expanding machine 21, generator 22 are connected all the way, drives expansion power generator to generate electricity, and pressure energy of natural gas is reclaimed；Expansion power generator,
It is preferred that the electricity that asynchronous expansion power generator is sent after the frequency conversion of four-quadrant frequency converter 31 of the flow control system to power network by supplying
Electricity；
Another way is pressure regulation bypass, and natural gas is by the reducing pressure by regulating flow of pressure regulator valve 41 that is provided with, and pressure regulator valve 41 is from setting
Pressure sensor 42 behind obtains pressure signal；Meanwhile the temperature sensor 43 and pressure sensing set in pressure regulation bypass
Device 42, its signal is also communicated to flow control system 3, after being converted to frequency adjusting signals by flow control system, is sent to swollen
Swollen electricity generation system (21,22), control the rotating speed of expansion power generation system.
In the pressure regulation method of above-mentioned natural gas pressure regulating generating integration device, pressure sensor and temperature sensor and stream
Amount control system communicates, and sends pressure and temperature signal to flow control system respectively, after flow control system reception signal
Flow signal is scaled, and sends arithmetic unit 32 to, frequency signal is converted to by arithmetic unit 32, frequency signal sends four to
Quadrant frequency converter 31, four-quadrant frequency converter 31 send frequency signal to expansion power generation system (21,22) again, with regulation expansion hair
The rotating speed of motor, so as to adjust door station gas discharge and outlet pressure；
When detecting that a station outlet lateral pressure is higher than setting value, flow control system obtains the too high signal of flow, this
Flow signal sends arithmetic unit 32 to, and arithmetic unit 32 gives the transmission frequency signal of four-quadrant frequency converter 31, and four-quadrant frequency converter 31 is again
Send frequency signal to expansion power generation system (21,22), make the reduction of expansion power generator rotating speed, with the reduction of rotating speed, expansion
Electricity generation system outlet pressure is reduced, and gas discharge is reduced；
When detecting that a station outlet lateral pressure is less than setting value, flow control system obtains the too low signal of flow, this
Flow signal sends arithmetic unit 32 to, and arithmetic unit 32 gives the transmission frequency signal of four-quadrant frequency converter 31, and four-quadrant frequency converter 31 is again
Send frequency signal to expansion power generation system (21,22), improve expansion power generator rotating speed, with the raising of rotating speed, expansion
Electricity generation system outlet pressure raises, gas discharge increase；
When expansion power generation system oepration at full load, but when outlet lateral pressure in door station is still below setting value, in pressure regulation bypass
The signal that pressure regulator valve 41 receives pressure sensor 42 is opened, and automatically adjusts aperture, the increase of natural valve station total flow.
Embodiment 1
The natural gas that high pressure pipe network comes enters natural valve station, is divided into two-way after described heating system 11 heats,
Expanding machine 21, generator 22 are connected all the way, drives expansion power generator to generate electricity, and pressure energy of natural gas is reclaimed；Asynchronous expansion hair
The electricity that motor is sent after the frequency conversion of four-quadrant frequency converter 31 of the flow control system to power network by powering；
Another way is pressure regulation bypass, and natural gas is by the reducing pressure by regulating flow of pressure regulator valve 41 that is provided with, and pressure regulator valve 41 is from setting
Pressure sensor 42 behind obtains pressure signal；Meanwhile the temperature sensor 43 and pressure sensing set in pressure regulation bypass
Device 42, its signal is also communicated to flow control system 3, after being converted to frequency adjusting signals by flow control system, is sent to swollen
Swollen electricity generation system (21,22), control the rotating speed of expansion power generation system.
Pressure sensor 42 and temperature sensor 43 communicate with flow control system, respectively transmit pressure and temperature signal
To flow control system, flow signal is scaled after the reception signal of flow control system 3, and sends arithmetic unit 32 to, by
Arithmetic unit 32 is converted to frequency signal, and frequency signal sends four-quadrant frequency converter 31 to, and four-quadrant frequency converter 31 again believes frequency
Number expansion power generation system (21,22) is sent to, to adjust the rotating speed of expansion power generator, so as to adjust door station gas discharge and go out
Mouth pressure；
When detecting that a station outlet lateral pressure is higher than setting value user's atmospheric pressure, flow control system obtains flow mistake
High signal, this flow signal send arithmetic unit 32 to, and arithmetic unit 32 gives the transmission frequency signal of four-quadrant frequency converter 31, four-quadrant
Frequency converter 31 sends frequency signal to expansion power generation system (21,22) again, expansion power generator rotating speed is gradually reduced, with turn
The reduction of speed, expansion power generation system outlet pressure are reduced, and gas discharge is reduced；
When detecting that a station outlet lateral pressure is less than setting value user's atmospheric pressure, flow control system obtains flow mistake
Low signal, this flow signal send arithmetic unit 32 to, and arithmetic unit 32 gives the transmission frequency signal of four-quadrant frequency converter 31, four-quadrant
Frequency converter 31 sends frequency signal to expansion power generation system (21,22) again, gradually steps up expansion power generator rotating speed, with turn
The raising of speed, expansion power generation system outlet pressure rise, gas discharge increase；
When expansion power generation system oepration at full load, but when outlet lateral pressure in door station is still below setting value user's atmospheric pressure,
The signal that pressure regulator valve 41 in pressure regulation bypass receives pressure sensor 42 is opened, and automatically adjusts aperture, and natural valve station is always flowed
Amount increase.
Embodiment 2
Similar to Example 1, simply setting value is downstream ductwork pressure.
Claims (12)
1. a kind of natural gas pressure regulating generating integration device, it is characterised in that the device includes the natural gas come to high pressure pipe network
Pre-warmed heating system, using the expansion power generation system of the natural gas power after preheating, from heating system and expansion power generation
The pressure regulation drawn on connecting line between system bypasses, bypasses the pressure sensor set, temperature sensor according to pressure regulation
Pressure, the temperature signal control expansion power generation system of acquisition are operated so as to which door station flow and outlet pressure are adjusted to setting value
Flow control system.
2. device according to claim 1, it is characterised in that the expansion power generation system include an expansion power generator or
More expansion power generators in parallel, the expansion power generator include expanding machine and generator.
3. device according to claim 1 or 2, it is characterised in that the pressure regulation bypass includes a pressure regulator valve, a temperature
Spend sensor and a pressure sensor.
4. according to the device any one of claim 1-3, it is characterised in that the flow control system includes being arranged on
A four-quadrant frequency converter on connection line between expansion power generator and power network and an arithmetic unit being attached thereto, it is described
Arithmetic unit can be converted to the flow signal that the temperature and pressure signal from temperature sensor and pressure sensor converses
Frequency signal, frequency signal send four-quadrant frequency converter to, and four-quadrant frequency converter sends frequency signal to expansion power generation system again
System, to adjust the rotating speed of expansion power generator, so as to adjust door station gas discharge and outlet pressure.
5. according to the device any one of claim 1-4, it is characterised in that the expansion power generation system is connected to power network
To utilize the phylogenetic electric power of expansion power generation；And/or the expansion power generation system is generated electricity using asynchronous generator.
6. according to the device any one of claim 1-5, it is characterised in that the pressure regulation bypass sets pressure regulator valve, adjusts
Pressure valve is opened during too low downstream pressure in the running at full capacity of expansion power generation system.
7. according to the device any one of claim 1-6, it is characterised in that the heating system sets heat exchanger, by
External source provides the high-pressure natural gas heating that heat stands entrance side on the door, avoids high-pressure natural gas from being expanded to temperature mistake after low pressure
It is low.
8. according to the device any one of claim 1-7, it is characterised in that the flow control system respectively with pressure regulation
Bypass and expansion power generation system communication, flow control system obtain pressure, the temperature signal that pressure regulation bypasses.
9. a kind of generating integrated method of natural gas pressure regulating or the natural gas using the device any one of claim 1-8
The generating integrated method of pressure regulation, this method include：
The natural gas that high pressure pipe network comes enters natural valve station, and two-way is divided into after heating system heats, all the way connection expansion
Generator, drives expansion power generator to generate electricity, and pressure energy of natural gas is reclaimed；The electricity that expansion power generator is sent is controlled by flow
Powered after the four-quadrant frequency converter frequency conversion of system to power network；
Another way is pressure regulation bypass, and natural gas is by the pressure regulator valve reducing pressure by regulating flow that is provided with, and pressure regulator valve is from setting behind
Pressure sensor obtains pressure signal, and pressure regulator valve is controlled by the pressure signal；Meanwhile the temperature set in pressure regulation bypass
Degree sensor and pressure sensor, its signal are also communicated to flow control system, and frequency regulation is converted to by flow control system
After signal, expansion power generation system is sent to, controls the rotating speed of expansion power generation system.
10. according to the method for claim 9, wherein, pressure sensor and temperature sensor communicate with flow control system,
Send pressure and temperature signal to flow control system respectively, flow letter is scaled after flow control system reception signal
Number, and send arithmetic unit to, frequency signal is converted to by arithmetic unit, frequency signal sends four-quadrant frequency converter to, and four-quadrant becomes
Frequency device sends frequency signal to expansion power generation system again, to adjust the rotating speed of expansion power generator, so as to adjust door station natural gas
Flow and outlet pressure.
11. the method according to claim 9 or 10, wherein, when detecting that a station outlet lateral pressure is higher than setting value, stream
Amount control system obtains the too high signal of flow, and this flow signal sends arithmetic unit to, and arithmetic unit is sent to four-quadrant frequency converter
Frequency signal, four-quadrant frequency converter send frequency signal to expansion power generation system again, make the reduction of expansion power generator rotating speed, with
The reduction of rotating speed, expansion power generation system outlet pressure are reduced, and gas discharge is reduced；
When detecting that a station outlet lateral pressure is less than setting value, flow control system obtains the too low signal of flow, this flow
Signal sends arithmetic unit to, and arithmetic unit gives four-quadrant frequency converter transmission frequency signal, and four-quadrant frequency converter again passes frequency signal
Expansion power generation system is given, improves expansion power generator rotating speed, with the raising of rotating speed, expansion power generation system outlet pressure liter
Height, gas discharge increase；
When expansion power generation system oepration at full load, but when outlet lateral pressure in door station is still below setting value, the pressure regulation in pressure regulation bypass
The signal that valve receives pressure sensor is opened, and automatically adjusts aperture, the increase of natural valve station total flow.
12. according to the method for claim 11, wherein, setting value is user's atmospheric pressure or downstream ductwork pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710690174.9A CN107575744B (en) | 2017-08-14 | 2017-08-14 | Natural gas pressure regulating generating integration device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710690174.9A CN107575744B (en) | 2017-08-14 | 2017-08-14 | Natural gas pressure regulating generating integration device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107575744A true CN107575744A (en) | 2018-01-12 |
| CN107575744B CN107575744B (en) | 2019-11-12 |
Family
ID=61034723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710690174.9A Active CN107575744B (en) | 2017-08-14 | 2017-08-14 | Natural gas pressure regulating generating integration device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107575744B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022064321A1 (en) * | 2020-09-24 | 2022-03-31 | Atlas Copco Airpower, Naamloze Vennootschap | Method and device for expanding a fluid |
| CN114576877A (en) * | 2022-01-07 | 2022-06-03 | 西安交通大学 | High-pressure gas pressure regulating system and application thereof |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998009110A1 (en) * | 1996-08-30 | 1998-03-05 | Dmitry Timofeevich Aksenov | Method for using the energy generated by a pressure drop in a natural-gas source, energy-actuated cooling device and energy-actuated drive with a vaned machine |
| CN201787329U (en) * | 2010-08-30 | 2011-04-06 | 刘俊德 | High-pressure natural gas energy comprehensive utilization unit |
| CN102900640A (en) * | 2012-10-22 | 2013-01-30 | 成都昊特新能源技术有限公司 | Device for generating power by using pressure difference energy of natural gas delivery pipeline |
| US20130294943A1 (en) * | 2009-06-29 | 2013-11-07 | Lightsail Energy, Inc. | Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange |
| CN203847188U (en) * | 2014-05-13 | 2014-09-24 | 北京华航盛世能源技术有限公司 | Complementary energy comprehensive utilization system of natural gas regulator station |
| CN204186430U (en) * | 2014-09-19 | 2015-03-04 | 碧海舟（北京）石油化工设备有限公司 | A kind of gas distributing system pressure regulation power generating refrigeration system |
| CN105331411A (en) * | 2015-11-23 | 2016-02-17 | 北京建筑大学 | Energy-saving and rapid synthesis device and method of natural gas hydrate |
| CN105401990A (en) * | 2015-11-23 | 2016-03-16 | 北京建筑大学 | Natural gas pressure energy power generation pressure regulating device and method |
| CN106837424A (en) * | 2017-02-25 | 2017-06-13 | 上海齐耀膨胀机有限公司 | Screw expander variable speed constant frequency generator system and electricity-generating method |
| CN107013271A (en) * | 2017-04-28 | 2017-08-04 | 申能股份有限公司 | Natural gas power complementary energy synthesis utilizes system |
-
2017
- 2017-08-14 CN CN201710690174.9A patent/CN107575744B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998009110A1 (en) * | 1996-08-30 | 1998-03-05 | Dmitry Timofeevich Aksenov | Method for using the energy generated by a pressure drop in a natural-gas source, energy-actuated cooling device and energy-actuated drive with a vaned machine |
| US20130294943A1 (en) * | 2009-06-29 | 2013-11-07 | Lightsail Energy, Inc. | Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange |
| CN201787329U (en) * | 2010-08-30 | 2011-04-06 | 刘俊德 | High-pressure natural gas energy comprehensive utilization unit |
| CN102900640A (en) * | 2012-10-22 | 2013-01-30 | 成都昊特新能源技术有限公司 | Device for generating power by using pressure difference energy of natural gas delivery pipeline |
| CN203847188U (en) * | 2014-05-13 | 2014-09-24 | 北京华航盛世能源技术有限公司 | Complementary energy comprehensive utilization system of natural gas regulator station |
| CN204186430U (en) * | 2014-09-19 | 2015-03-04 | 碧海舟（北京）石油化工设备有限公司 | A kind of gas distributing system pressure regulation power generating refrigeration system |
| CN105331411A (en) * | 2015-11-23 | 2016-02-17 | 北京建筑大学 | Energy-saving and rapid synthesis device and method of natural gas hydrate |
| CN105401990A (en) * | 2015-11-23 | 2016-03-16 | 北京建筑大学 | Natural gas pressure energy power generation pressure regulating device and method |
| CN106837424A (en) * | 2017-02-25 | 2017-06-13 | 上海齐耀膨胀机有限公司 | Screw expander variable speed constant frequency generator system and electricity-generating method |
| CN107013271A (en) * | 2017-04-28 | 2017-08-04 | 申能股份有限公司 | Natural gas power complementary energy synthesis utilizes system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022064321A1 (en) * | 2020-09-24 | 2022-03-31 | Atlas Copco Airpower, Naamloze Vennootschap | Method and device for expanding a fluid |
| US20230323795A1 (en) * | 2020-09-24 | 2023-10-12 | Atlas Copco Airpower, Naamloze Vennootschap | Method and device for expanding a fluid |
| US11933198B2 (en) * | 2020-09-24 | 2024-03-19 | Atlas Copco Airpower, Naamloze Vennootschap | Method and device for expanding a fluid |
| CN114576877A (en) * | 2022-01-07 | 2022-06-03 | 西安交通大学 | High-pressure gas pressure regulating system and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107575744B (en) | 2019-11-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105401990B (en) | A kind of pressure energy of natural gas generating regulator and method | |
| CN206360877U (en) | A kind of optimal control for energy saving system of variable frequency pump parallel running | |
| CN110462181B (en) | Compressed air energy storage power generation device | |
| CN107575744B (en) | Natural gas pressure regulating generating integration device and method | |
| CN103422899A (en) | Process and device for generating power by pressure energy of small natural gas pipeline network | |
| CN203430574U (en) | Device for generating power by using pressure energy of minitype natural gas pipeline network | |
| CN102494365A (en) | Heat supply secondary pipe network distributed balance control system and control method thereof | |
| CN203847188U (en) | Complementary energy comprehensive utilization system of natural gas regulator station | |
| CN103671192B (en) | A kind of method regulating air quantity of variable-frequency fan | |
| CN105331411A (en) | Energy-saving and rapid synthesis device and method of natural gas hydrate | |
| CN101922773A (en) | Changeable flow ground source heat pump unit system, controller and control method | |
| CN207599346U (en) | Movable skid-mounted formula natural gas pressure regulating, power generation, refrigerating plant | |
| CN203240279U (en) | Vortex self-heating natural gas pressure regulating system | |
| CN113405025B (en) | Stable natural gas hydrogen-loading control method and application | |
| CN205481311U (en) | Heating system pipe network water monitoring system that does all can | |
| CN102900640A (en) | Device for generating power by using pressure difference energy of natural gas delivery pipeline | |
| CN103909103A (en) | Slab descaling pump system and method | |
| CN113137650B (en) | Steam heat network system regulation and control method combined with distributed power generation | |
| CN106121974A (en) | A kind of cryogenic energy utilization liquefied natural gas compressor and method | |
| CN115663841A (en) | Multi-scene intelligent frequency converter based on dual optimization control and use method thereof | |
| CN101545661B (en) | Water delivery pressure control system and method | |
| CN206001732U (en) | It is capable of the liquid low-temperature receiver unit of precise control of temperature | |
| CN207093209U (en) | Pressure regulation power generation integrated system | |
| CN205505306U (en) | Central air conditioning pump variable frequency energy -saving control system and central air conditioning | |
| CN203068146U (en) | Gas treatment system for pipeline gas conveying station |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |