CN204943038U - A kind of pressure regulating system of hydrogen pipe network - Google Patents
A kind of pressure regulating system of hydrogen pipe network Download PDFInfo
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- CN204943038U CN204943038U CN201520736362.7U CN201520736362U CN204943038U CN 204943038 U CN204943038 U CN 204943038U CN 201520736362 U CN201520736362 U CN 201520736362U CN 204943038 U CN204943038 U CN 204943038U
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- 239000001257 hydrogen Substances 0.000 title claims abstract description 287
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 287
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 276
- 230000001105 regulatory effect Effects 0.000 title claims abstract description 19
- 239000002737 fuel gas Substances 0.000 claims abstract description 30
- 150000002431 hydrogen Chemical class 0.000 claims abstract description 17
- 238000005984 hydrogenation reaction Methods 0.000 claims description 23
- 230000003993 interaction Effects 0.000 claims description 6
- 230000002441 reversible effect Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 7
- 238000005265 energy consumption Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000006641 stabilisation Effects 0.000 abstract description 2
- 238000011105 stabilization Methods 0.000 abstract description 2
- 238000013024 troubleshooting Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 239000005864 Sulphur Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/34—Hydrogen distribution
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/45—Hydrogen technologies in production processes
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Pipeline Systems (AREA)
Abstract
The utility model is a kind of pressure regulating system of hydrogen pipe network, and native system trunk pipeline connects knock out drum.Trunk pipeline respectively through hydrogen supply, connect hydrogen supply device with hydrogen pressure control valve and use hydrogen pipe network, two valves connect hydrogen supply respectively, use hydrogen pressure controller.Trunk pipeline also connects fuel gas pipe network and torch pipe network through two emptying control valves respectively, and two valves all connect emptying pressure controller.During use, hydrogen supply Stress control control valve device sends Hydrogen Vapor Pressure outside, and with hydrogen pressure control valve adjustment hydrogen ductwork pressure, when being slightly elevated by hydrogen amount, knock out drum release or storage of hydrogen, maintain hydrogen gas pressure stabilization, avoid hydrogen supply device frequently to put forward the amount of falling.In normal production, two emptying control valves are all closed, and reduce material consumption energy consumption.Emptying pressure controller is opened emptying control valve in time according to the pressure of trunk pipeline and is ensured safety.When increasing severely by hydrogen amount, the guarantee of knock out drum release hydrogen produces minimum pressure at least 20 minutes, for hydrogen volume increase and troubleshooting gain time.
Description
Technical field
The utility model relates to a kind of regulation technology of hydrogen ductwork pressure, is specially the pressure regulating system of a kind of hydrogen pipe network being applicable to oil refinery.
Background technique
In the raw material of oil refinery, heaviness crude oil and high-sulphur crude constantly increase, and the increasingly stringent that Environmental protection requires, therefore the hydrogenation plant scale of oil refinery increases thereupon, and the hydrogen pipe network planning mould of a factory strengthens.
The hydrogen pipe host main line of an oil refinery connects the continuous reformer producing hydrogen and hydrogen-generator, connects the multiple hydrogenation plants using hydrogen simultaneously.Disconnect from network stopping using when being connected on certain online hydrogenation plant of hydrogen pipe, or certain hydrogenation plant access hydrogen pipe network brings into use or the change of certain hydrogenation plant feed properties, carry and fall treating capacity, on-off reaction severity and change hydrogen amount, or certain hydrogenation plant switchover operation make-up hydrogen compressor etc. all can cause the hydrogen pipe network pressure surge of full factory.If when particularly the make-up hydrogen compressor entrance Hydrogen Vapor Pressure of hydrogenation plant is too low, compressor Concatenate shut-down may be caused, hydrogenation plant safety and steady will be had a strong impact on and run.
In order to stablize the hydrogen ductwork pressure of full factory, the method that current each oil refinery generally adopts keeps emptying amount certain in hydrogen pipe network.Namely connect fuel gas pipe network at hydrogen pipe network through emptying control valve, strengthen for hydrogen amount, when hydrogenation plant cannots be used up, unnecessary hydrogen is sent into fuel gas pipe network through emptying control valve and is recovered.And when hydrogen pipe network Pressure Drop is low, the hydrogen of the aperture and original emptying that reduce emptying control valve just can supplement in time and improve hydrogen ductwork pressure, to reduce the decline of hydrogen ductwork pressure as far as possible.Although the hydrogen partial of emptying is finally be recycled to fuel gas pipe, but this method Shi Quan factory energy and material consumption rises, therefore some oil refinery is in order to close the emptying control valve of hydrogen pipe network, formulate multiple hydrogen administrative provisions, strengthen the monitoring to whole hydrogen pipe network, require that each hydrogenation plant is linked up with hydrogen-generator in advance when increase hydrogen amount, first improve hydrogen output ability increase hydrogen amount, the stable of hydrogen ductwork pressure can be maintained so to a certain extent, but when running into accident, a safety valve jumping up is had in such as certain hydrogenation plant, full factory hydrogen pipe network pressure drop can be caused, hydrogen-generator cannot improve for hydrogen amount in the short time, the decline of hydrogen ductwork pressure, the even device interlocking stopping production of the great fluctuation of each hydrogenation plant will be caused, cause heavy losses.
Model utility content
The purpose of this utility model designs a kind of pressure regulating system of hydrogen pipe network, one or more knock out drum is accessed in hydrogen pipe network, the pressure of hydrogen pipe network is regulated with the hydrogen in knock out drum, hydrogen supply pressure controller, automatically to regulate hydrogen supply pressure controlled valve with hydrogen pressure controller and emptying pressure controller, with hydrogen pressure control valve and emptying to fuel gas pipe net control valve and emptying to the aperture of flare stack net control valve, to maintain hydrogen supply device, with the Hydrogen Vapor Pressure of hydrogen pipe network and trunk pipeline in setting range.Do not need to keep certain emptying amount for a long time, when increasing suddenly by hydrogen amount, in knock out drum, hydrogen also can supplement in time, ensures hydrogen pipe net pressure maitamce.
The pressure regulating system of a kind of hydrogen pipe network of the utility model design, hydrogen pipe host trunk pipeline is connected with one or more hydrogen supply devices, what be connected with multiple hydrogenation plant uses hydrogen pipe network simultaneously, the concrete quantity of hydrogen supply device and hydrogenation plant is determined according to oil refinery general arrangement, trunk pipeline also connects fuel gas pipe network, and the utility model design connects one or more knock out drum on trunk pipeline.Each hydrogen supply device is furnished with a hydrogen supply pressure controlled valve, each hydrogen supply device connects trunk pipeline through its hydrogen supply pressure controlled valve respectively, each hydrogen supply device is furnished with the hydrogen supply pressure controller that connects its hydrogen output terminal simultaneously, and the control end of each hydrogen supply pressure controller connects the hydrogen supply pressure controlled valve of this hydrogen supply device.Each hydrogen supply pressure controller is positive interaction controller, when the pressure measuring hydrogen supply device belonging to it and send outside hydrogen exceedes its setting value, control its hydrogen supply Stress control valve opening connected to strengthen, when the pressure measuring hydrogen supply device belonging to it and send outside hydrogen is less than its setting value, controls its hydrogen supply Stress control valve opening connected and reduce; Trunk pipeline uses hydrogen pipe network through connecting with hydrogen pressure control valve, be connected to hydrogen pipe network and use hydrogen pressure controller, connect with the control end of hydrogen pressure controller and use hydrogen pressure control valve, be reverse acting controller with hydrogen pressure controller, when the pressure of mensuration hydrogen pipe network exceedes its setting value, its instruction uses hydrogen pressure control valve aperture to reduce, and when the pressure of mensuration hydrogen pipe network is less than its setting value, strengthens by hydrogen pressure control valve aperture; Trunk pipeline connects fuel gas pipe network through emptying to fuel gas pipe net control valve, trunk pipeline is connected to emptying pressure controller, a control end of emptying pressure controller connects emptying to fuel gas pipe net control valve, emptying pressure controller is positive interaction controller, when the pressure measuring trunk pipeline exceedes its setting value, its instruction makes emptying strengthen to fuel gas pipe network control valve opening, when the pressure measuring trunk pipeline is less than its setting value, emptying is decreased to closedown to fuel gas pipe network control valve opening.During normal production, emptying is in normally off to fuel gas pipe net control valve.
Described trunk pipeline also connects torch pipe network through emptying to flare stack net control valve, another control end of emptying pressure controller connects emptying to flare stack net control valve, when emptying reaches maximum to fuel gas pipe network control valve opening, when the pressure of mensuration trunk pipeline still exceedes emptying pressure controller setting value, its instruction emptying makes its aperture strengthen to flare stack net control valve, when the pressure measuring trunk pipeline is less than emptying pressure controller setting value, emptying is first decreased to closedown to flare stack network control valve opening, and then reduce emptying to fuel gas pipe network control valve opening.During normal production, emptying is in normally off to torch pipe network control valve.
Torch pipe network is the pipe network of the emptying gas pipeline composition of each device of full factory, can be recycled to fuel gas pipe network as fuel, directly burnt in an atmosphere time defective by flare tip when the gas in torch pipe network is qualified.
The volume total amount of described one or more knock out drum is 300 ~ 500m
3, knock out drum is for storing pipe network hydrogen, and described knock out drum Maximum operating pressure is equal to or greater than 2.4MPa, and design pressure is equal to or greater than 2.6MPa.
The pressure set points scope 1.90MPa ~ 1.95MPa of described hydrogen pressure controller.
The pressure set points scope 2.25MPa ~ 2.30MPa of described hydrogen supply pressure controller.
The pressure set points scope 2.30MPa ~ 2.35MPa of described emptying pressure controller.
Main pipe linear pressure control range is 2.15MPa ~ 2.25MPa.Hydrogen compressibility factor under different pressures is calculated by generalization virial coefficient relation, then volume 400m when calculating different pressures
3knock out drum in the molal quantity of hydrogen, can show that this knock out drum pressure can discharge hydrogen 1000Nm when 2.15MPa ~ 2.25MPa drops to 1.9MPa
3, can release hydrogen 1700Nm when dropping to 1.7MPa
3.Nm
3for mark cube, refer to that N represents standard conditions at the gas volume of 0 degree Celsius of 1 standard atmosphere pressure.As can be seen here, when trunk pipeline is connected with 400m
3knock out drum, when occurring accident, what it connected increases 5000Nm suddenly by certain hydrogenation plant hydrogen amount in hydrogen pipe network
3during/h, knock out drum enters the time that trunk pipeline can maintain with hydrogen ductwork pressure is not less than 1.7MPa reach 20 minutes by discharging wherein hydrogen.Each hydrogenation plant being not less than the producing with guarantees being maintained under hydrogen ductwork pressure of 1.7MPa, can not stopping work by generating means interlocking, and the hydrogen supply device that is designed to of knock out drum improves treating capacity, increase hydrogen output with guarantee hydrogen ductwork pressure, has won the valuable time.
Otherwise, when with when in hydrogen pipe network, certain hydrogenation plant hydrogen amount significantly reduces suddenly, to turn down with hydrogen ductwork pressure control valve, the pressure of trunk pipeline raises, knock out drum stores rich hydrogen, gain time and allow hydrogen supply device reduce treating capacity gradually, to reduce hydrogen output, can avoid or reduce the hydrogen gas automatic blow down amount in trunk pipeline, reduce full factory material consumption energy consumption.
According to each hydrogenation plant situation in the use hydrogen pipe network of each oil refinery, select the volume of knock out drum.
During the use of pressure regulating system of a kind of hydrogen pipe network of the utility model design, described each hydrogen supply device controls it by the hydrogen supply pressure controlled valve that it configures and sends Hydrogen Vapor Pressure outside for 2.25MPa ~ 2.30MPa, the hydrogen of each hydrogen supply device enters into trunk pipeline through respective hydrogen supply pressure controlled valve, and give knock out drum pressurising, then process hydrogen pressure control valve enters and uses hydrogen pipe network.When the hydrogen supply pressure controller of certain hydrogen supply device measure pressure that this hydrogen supply device sends hydrogen outside exceed its setting value time, its hydrogen supply Stress control valve opening controlling to connect strengthens; When the pressure that this hydrogen supply device of mensuration sends hydrogen outside is less than its setting value, its hydrogen supply pressure control valve aperture controlling to connect reduces.
By the pressure stability of hydrogen pipe network in 1.90MPa ~ 1.95MPa, slightly change the fuctuation within a narrow range caused with hydrogen ductwork pressure in production by hydrogen amount, by automatically regulating with hydrogen pressure control valve.When exceeding its setting value with the pressure of hydrogen pressure controller mensuration hydrogen pipe network, instruction uses hydrogen pressure control valve aperture to reduce; When the pressure of mensuration hydrogen pipe network is less than its setting value, its instruction uses hydrogen pressure control valve aperture to strengthen.
The trunk pipeline pressure rushing tank that eases up is identical, controls as 2.15MPa ~ 2.25MPa, and when main pipe linear pressure has fuctuation within a narrow range, knock out drum release or storage of hydrogen maintain main pipe linear pressure and be stabilized in control range.Dispatcher selects one as the hydrogen supply device regulating trunk pipeline Hydrogen Vapor Pressure in multiple hydrogen supply device, when the emptying pressure controller that trunk pipeline connects measures pressure lower than 2.1MPa, dispatcher improve this hydrogen supply device treating capacity, increase its hydrogen output, to improve trunk pipeline Hydrogen Vapor Pressure.Due to trunk pipeline connect the adjustment of knock out drum, hydrogen supply device does not need the treating capacity frequently regulating this hydrogen supply device.When the pressure that emptying pressure controller measures trunk pipeline exceedes its setting value, its instruction makes emptying strengthen to fuel gas pipe network control valve opening, simultaneously dispatcher reduce the hydrogen supply device of adjustment trunk pipeline Hydrogen Vapor Pressure treating capacity, reduce its hydrogen output; When the pressure of mensuration trunk pipeline is less than its setting value, its instruction makes emptying be reduced to closedown to fuel gas pipe network control valve opening.
When the pressure that emptying to fuel gas pipe network control valve opening reaches maximum, emptying pressure controller measures trunk pipeline still exceedes its setting value, emptying pressure controller instruction emptying strengthens to flare stack network control valve opening, trunk pipeline hydrogen, from two rapid blowdown pressure letdown of pipeline, ensures safety.When the pressure measuring trunk pipeline is less than its setting value, emptying pressure controller first makes emptying be decreased to cut out to flare stack network control valve opening.
When occurring accident, when increasing suddenly by hydrogen pipe network hydrogen amount, be unexpected downward trend with hydrogen ductwork pressure, reach maximum by hydrogen pressure control valve aperture, main pipe linear pressure declines thereupon, knock out drum discharges wherein hydrogen and enters trunk pipeline, and maintenance hydrogen ductwork pressure slows down decline, and the time that the pressure of maintenance hydrogen pipe network is not less than 1.7MPa reaches 20 minutes.This allowing racing against time hydrogen supply device improve treating capacity, increasing hydrogen output to ensure trunk pipeline and the hydrogen gas pressure stabilization with hydrogen pipe network, allows related personnel check and the eliminating hydrogen amount fault of uprushing simultaneously.
When significantly reducing suddenly by hydrogen pipe network hydrogen amount, reduce by hydrogen ductwork pressure control valve aperture, the pressure of trunk pipeline increases, knock out drum stores rich hydrogen, slow down the pressure ramp-up rate of trunk pipeline, race against time and allow hydrogen supply device reduce treating capacity gradually, to reduce hydrogen output, allow related personnel search the reason using hydrogen amount anticlimax simultaneously.The hydrogen gas automatic blow down avoided or reduce in trunk pipeline, to fuel gas pipe network, reduces full factory material consumption energy consumption.
Compared with prior art, the advantage of the pressure regulating system of a kind of hydrogen pipe network of the utility model is: 1, monitor in real time with hydrogen pressure controller and use hydrogen ductwork pressure, because there being knock out drum to discharge in time or storage of hydrogen, by adjustment hydrogen pressure control valve automatically, ensure the pressure stability with hydrogen pipe network; 2, normal productive process, emptying is all in closed condition to fuel gas pipe net control valve and emptying to flare stack net control valve, has stopped the huge waste that the long-term emptying of hydrogen in hydrogen pipe network causes, and significantly reduces full factory material consumption energy consumption; 3, with being slightly elevated by hydrogen amount of hydrogen pipe network time, affect the pressure surge of trunk pipeline, discharged or storage of hydrogen by knock out drum, maintain main pipe linear pressure to stablize, avoid hydrogen supply device frequently to carry and fall treating capacity (i.e. raising or reduction device inlet amount, to increase or to reduce device for hydrogen amount) with steady hydrogen ductwork pressure, the safety and steady being conducive to hydrogen supply device is produced; 4, when certain hydrogenation plant occurs that accident hydrogen amount rolls up suddenly, knock out drum can be maintained by release hydrogen and be not less than with hydrogen ductwork pressure the minimum pressure at least 20 minutes ensureing that hydrogenation plant is produced, the quality time is won for hydrogen supply device increases hydrogen output, also for related personnel check and the fault that eliminating hydrogen amount is uprushed has striven for the time, particularly avoid causing the interlocking of hydrogenation plant to stop work with hydrogen ductwork pressure bust; 5, when certain hydrogenation plant hydrogen amount reduces suddenly, main pipe linear pressure raises, and knock out drum will store more hydrogen, avoid or reduce hydrogen gas automatic blow down to fuel gas pipe network, to reduce full factory material consumption energy consumption; 6, knock out drum and each pressure controller, control valve all can adopt the Related product of prior art, therefore native system is implemented conveniently, to be easy to apply on the net at the hydrogen pipe of oil refinery.
Accompanying drawing explanation
Fig. 1 is the structural representation of the pressure regulating system embodiment of this hydrogen pipe network.
Number in the figure: T1, use hydrogen pressure controller, V1, use hydrogen pressure control valve, the hydrogen supply pressure controller of T2A, hydrogen supply device A, the hydrogen supply pressure controlled valve of V2A, hydrogen supply device A, the hydrogen supply pressure controller of T2B, hydrogen supply device B, the hydrogen supply pressure controlled valve of V2B, hydrogen supply device B, the hydrogen supply pressure controller of T2C, hydrogen supply device C, the hydrogen supply pressure controlled valve of V2C, hydrogen supply device C, T3, emptying pressure controller, V3, emptying are to fuel gas pipe net control valve; V4, emptying are to flare stack net control valve.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated.
As shown in Figure 1, in Fig. 1, heavy line is depicted as this routine hydrogen pipe host trunk pipeline to the pressure regulating system embodiment of this hydrogen pipe network, and trunk pipeline connects a volume 400m
3knock out drum, this knock out drum Maximum operating pressure 2.4MPa, design pressure 2.6MPa.This example has hydrogen supply device A, B and C, three hydrogen supply devices are connected trunk pipeline through hydrogen supply pressure controlled valve V2A, V2B with V2C respectively, hydrogen supply device A, B and C are furnished with hydrogen supply pressure controller T2A, T2B and T2C of being connected its hydrogen output terminal respectively, the control end of hydrogen supply pressure controller T2A connects hydrogen supply pressure controlled valve V2A, the control end of hydrogen supply pressure controller T2B connects hydrogen supply pressure controlled valve V2B, the control end of hydrogen supply pressure controller T2C connects hydrogen supply pressure controlled valve V2C, and hydrogen supply pressure controller T2A, T2B and T2C are positive interaction controller.Trunk pipeline uses hydrogen pipe network through connecting with hydrogen pressure control valve V1, and be connected to hydrogen pressure controller T1 with hydrogen pipe network, connecting with hydrogen pressure control valve V1 with the control end of hydrogen pressure controller T1, is reverse acting controller with hydrogen pressure controller T1.Trunk pipeline connects fuel gas pipe network through emptying to fuel gas pipe net control valve V3, trunk pipeline is connected to emptying pressure controller T3, a control end of emptying pressure controller T3 connects emptying to fuel gas pipe net control valve V3, and emptying pressure controller T3 is positive interaction controller.This routine trunk pipeline also connects torch pipe network through emptying to flare stack net control valve V4, and another control end of emptying pressure controller T3 connects emptying to flare stack net control valve V4.
This example is 1.90MPa ~ 1.95MPa by the pressure set points scope of hydrogen pressure controller T1.
The pressure set points scope of this routine hydrogen supply pressure controller T2 is 2.25MPa ~ 2.30MPa.
The pressure set points scope of this routine emptying pressure controller T3 is 2.30MPa ~ 2.35MPa.
When occurring accident, when increasing suddenly by hydrogen pipe network hydrogen amount, be unexpected downward trend with the pressure of hydrogen pipe network, reach maximum by hydrogen pressure control valve V1 aperture, main pipe linear pressure declines thereupon, knock out drum discharges wherein hydrogen and enters trunk pipeline, and slow down by hydrogen ductwork pressure rate of descent, the time keeping pressure to be not less than 1.7MPa reaches 20 minutes.This will race against time allows hydrogen supply device improve treating capacity, increase hydrogen output with guarantee hydrogen pipe net pressure maitamce, allows related personnel check and the eliminating hydrogen amount fault of uprushing simultaneously.
When significantly reducing suddenly by hydrogen pipe network hydrogen amount, reduce by hydrogen ductwork pressure control valve V1 aperture, the pressure of trunk pipeline increases, knock out drum stores rich hydrogen, slow down the pressure ramp-up rate of trunk pipeline, race against time and allow hydrogen supply device reduce treating capacity gradually, to reduce hydrogen output, allow related personnel search the reason using hydrogen amount anticlimax simultaneously.The hydrogen gas automatic blow down avoided or reduce in trunk pipeline, to fuel gas pipe network, reduces full factory material consumption energy consumption.
Above-described embodiment, be only the specific case further described the purpose of this utility model, technological scheme and beneficial effect, the utility model is not defined in this.All make within scope of disclosure of the present utility model any amendment, equivalent replacement, improvement etc., be all included within protection domain of the present utility model.
Claims (5)
1. a pressure regulating system for hydrogen pipe network, hydrogen pipe host trunk pipeline is connected with multiple hydrogen supply device, connect simultaneously be made up of multiple hydrogenation plant use hydrogen pipe network, trunk pipeline also connects fuel gas pipe network, it is characterized in that:
Described trunk pipeline connects one or more knock out drum, each hydrogen supply device is furnished with a hydrogen supply pressure controlled valve, each hydrogen supply device connects trunk pipeline through its hydrogen supply pressure controlled valve respectively, each hydrogen supply device is furnished with the hydrogen supply pressure controller that connects its hydrogen output terminal, the control end of each hydrogen supply pressure controller connects the hydrogen supply pressure controlled valve of this hydrogen supply device, and each hydrogen supply pressure controller is positive interaction controller; Trunk pipeline uses hydrogen pipe network through connecting with hydrogen pressure control valve (V1), be connected to hydrogen pressure controller (T1) with hydrogen pipe network, connecting with hydrogen pressure control valve (V1) with the control end of hydrogen pressure controller (T1), is reverse acting controller with hydrogen pressure controller (T1); Trunk pipeline connects fuel gas pipe network through emptying to fuel gas pipe net control valve (V3), trunk pipeline is connected to emptying pressure controller (T3), a control end of emptying pressure controller (T3) connects emptying to fuel gas pipe net control valve (V3), and emptying pressure controller (T3) is positive interaction controller.
2. the pressure regulating system of hydrogen pipe network according to claim 1, is characterized in that:
Described trunk pipeline also connects torch pipe network through emptying to flare stack net control valve (V4), and another control end of emptying pressure controller (T3) connects emptying to flare stack net control valve (V4).
3. the pressure regulating system of hydrogen pipe network according to claim 1, is characterized in that:
The volume total amount of described one or more knock out drum is 300 ~ 500m
3.
4. the pressure regulating system of hydrogen pipe network according to claim 1, is characterized in that:
Described knock out drum Maximum operating pressure is equal to or greater than 2.4MPa, and design pressure is equal to or greater than 2.6MPa.
5. the pressure regulating system of hydrogen pipe network according to claim 1, is characterized in that:
The pressure set points scope of described hydrogen pressure controller (T1) is 1.90MPa ~ 1.95MPa;
The pressure set points scope of described hydrogen supply pressure controller (T2) is 2.25MPa ~ 2.30MPa;
The pressure set points scope of described emptying pressure controller (T3) is 2.30MPa ~ 2.35MPa.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520736362.7U CN204943038U (en) | 2015-09-22 | 2015-09-22 | A kind of pressure regulating system of hydrogen pipe network |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520736362.7U CN204943038U (en) | 2015-09-22 | 2015-09-22 | A kind of pressure regulating system of hydrogen pipe network |
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| CN204943038U true CN204943038U (en) | 2016-01-06 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105114810A (en) * | 2015-09-22 | 2015-12-02 | 赵安吉 | Pressure adjusting system for hydrogen pipe network and using method |
| CN108018911A (en) * | 2017-12-16 | 2018-05-11 | 天津市禾厘油气技术有限公司 | A kind of novel pressure water pot sledge |
| CN109844397A (en) * | 2016-10-17 | 2019-06-04 | 罗伯特·博世有限公司 | Method for running case equipment |
| CN110665444A (en) * | 2019-11-20 | 2020-01-10 | 恒力石化（大连）有限公司 | Hydrogen pipeline optimizing device for hydrogenation process |
| CN111306050A (en) * | 2020-04-21 | 2020-06-19 | 褚有香 | System and method for controlling outlet pressure of pressurizer |
| CN112441545A (en) * | 2020-11-23 | 2021-03-05 | 四川神华天明发电有限责任公司 | Filling line flow control system, filling method, electronic equipment and storage medium |
-
2015
- 2015-09-22 CN CN201520736362.7U patent/CN204943038U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105114810A (en) * | 2015-09-22 | 2015-12-02 | 赵安吉 | Pressure adjusting system for hydrogen pipe network and using method |
| CN109844397A (en) * | 2016-10-17 | 2019-06-04 | 罗伯特·博世有限公司 | Method for running case equipment |
| US11105468B2 (en) | 2016-10-17 | 2021-08-31 | Robert Bosch Gmbh | Method for operating a tank system |
| CN109844397B (en) * | 2016-10-17 | 2021-11-19 | 罗伯特·博世有限公司 | Method for operating a container system |
| CN108018911A (en) * | 2017-12-16 | 2018-05-11 | 天津市禾厘油气技术有限公司 | A kind of novel pressure water pot sledge |
| CN110665444A (en) * | 2019-11-20 | 2020-01-10 | 恒力石化（大连）有限公司 | Hydrogen pipeline optimizing device for hydrogenation process |
| CN111306050A (en) * | 2020-04-21 | 2020-06-19 | 褚有香 | System and method for controlling outlet pressure of pressurizer |
| CN111306050B (en) * | 2020-04-21 | 2022-04-05 | 山东拓普康技术有限公司 | System and method for controlling outlet pressure of pressurizer |
| CN112441545A (en) * | 2020-11-23 | 2021-03-05 | 四川神华天明发电有限责任公司 | Filling line flow control system, filling method, electronic equipment and storage medium |
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