CN103148348A - Electronic type CNG (Compressed Natural Gas) gas charging station sequence control panel - Google Patents
Electronic type CNG (Compressed Natural Gas) gas charging station sequence control panel Download PDFInfo
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- CN103148348A CN103148348A CN2013100934030A CN201310093403A CN103148348A CN 103148348 A CN103148348 A CN 103148348A CN 2013100934030 A CN2013100934030 A CN 2013100934030A CN 201310093403 A CN201310093403 A CN 201310093403A CN 103148348 A CN103148348 A CN 103148348A
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Abstract
The invention provides an electronic type CNG (Compressed Natural Gas) gas charging station sequence control panel. According to the charging scheme of a compressor that the priority level of a gas charging vehicle is the highest and then a gas storing device takes second place, the gas storing device is divided into three separated independent parts, and a three-stage sequence gas charging strategy is adopted, so that the gas charging speed of the gas charging vehicle is greatly increased, and the utilization efficiency of the gas storing device is improved. The electronic type CNG gas charging station sequence control panel comprises gas supply pipelines, an instrument gas pipeline and a control unit, wherein the gas supply pipelines comprise a main gas inlet pipeline connected with the outlet of the compressor, a high-pressure gas storage cylinder group gas inlet pipeline, a gas selling machine high-pressure gas feeding pipeline, a medium-pressure gas storage cylinder group gas inlet pipeline, a gas selling machine medium-pressure gas feeding pipeline, a low-pressure gas storage cylinder group gas inlet pipeline and a gas selling machine low-pressure gas feeding pipeline; and the main gas inlet pipeline is respectively connected with the high-pressure gas storage cylinder group gas inlet pipeline, the medium-pressure gas storage cylinder group gas inlet pipeline and the low-pressure gas storage cylinder group gas inlet pipeline through a ball valve and a check valve connected in sequence, and is further connected with a gas selling machine through a ball valve, a check valve and a pneumatic control valve.
Description
Technical field
The present invention relates to CNG gas station technical field, particularly relate to a kind of electronic type CNG gas station sequence control dish.
Background technique
The CNG gas station refers to provide to gas-fueled vehicles (Natural Gas Vehicle) and large-scale CNG substation car with compressed natural gas (CNG) form the place of fuel.Gas in natural gas line generally first passes through preposition purified treatment, removes sulfur and moisture content in gas, then by compressor bank with compressed natural gas by gas selling machine to the vehicle aerating.Compressed natural gas (Compressed Natural Gas) is a kind of optimal automobile-used alternative energy source, and its application technology reaches its maturity through the many decades development, and its cost is low, and high efficiency is pollution-free, uses safe and convenient, has broad application prospects.
The sequence control dish is indispensable control apparatus in the CNG gas station, realizes ventilating control to the gas station caisson by the sequence control dish.The sequence control dish of prior art generally can only be realized three grades of order aerating strategies, can't realize for aerating vehicle priority of supply.
Summary of the invention
The purpose of this invention is to provide a kind of electronic type CNG gas station sequence control dish, adopt the priority of aerating automobile the highest to compressor, the inflation regime that caisson takes second place, and caisson is divided into the unitary part of three separation, adopt three grades of order aerating strategies, improve the aerating speed of aerating vehicle, improve the utilization ratio of caisson.
The objective of the invention is to be achieved through the following technical solutions:
A kind of electronic type CNG gas station sequence control dish, it is characterized in that, comprise supply air line, instrument supply gas pipeline and control unit, described supply air line comprises force feed air pipe, low pressure air cylinder group air inlet pipeline and gas selling machine low pressure aspirating pipeline in main air inlet pipeline, high-pressure gas cylinder group air inlet pipeline and the gas selling machine high pressure aspirating pipeline that connects compressor outlet, middle pressure air cylinder group air inlet pipeline and gas selling machine; Described main air inlet pipeline connects respectively high-pressure gas cylinder group air inlet pipeline, middle pressure air cylinder group air inlet pipeline, low pressure air cylinder group air inlet pipeline by the ball valve MV that connects successively and one-way valve CV0; Have sequence valve SRVV, the one-way valve CV1, the pressure gauge G1 that connect in turn on described high-pressure gas cylinder group air inlet pipeline, have Pneumatic valve MVA1, the one-way valve CV4, the pressure gauge G2 that connect in turn on described middle pressure air cylinder group air inlet pipeline, have Pneumatic valve MVA2, the one-way valve CV5, the pressure gauge G3 that connect in turn on described low pressure air cylinder group air inlet pipeline; The gas selling machine high pressure aspirating pipeline that is connected on the high-pressure gas cylinder group connects gas selling machine by Pneumatic valve MVA3-1, one-way valve CV3; Be connected in the gas selling machine on pressure air cylinder group the force feed air pipe and connect gas selling machine by Pneumatic valve MVA3-2; The gas selling machine low pressure aspirating pipeline that is connected on low pressure air cylinder group connects gas selling machine by Pneumatic valve MVA3-3; Described main air inlet pipeline also is connected one-way valve CV2, Pneumatic valve MVA3-1 by ball valve MV successively and is connected gas selling machine with one-way valve CV0; During connecting by solenoid valve SV1, described instrument supply gas pipeline presses the Pneumatic valve MVA1 on air cylinder group air inlet pipeline, connect Pneumatic valve MVA2 on low pressure air cylinder group air inlet pipeline by solenoid valve SV2, connect respectively Pneumatic valve MVA3-2, the Pneumatic valve MVA3-3 of gas selling machine low pressure aspirating pipeline on the force feed air pipe in Pneumatic valve MVA3-1 on gas selling machine high pressure aspirating pipeline, gas selling machine by solenoid valve SV3; Described control unit is connected electromagnetic valve SV1, SV2, SV3 respectively, and on described pressure gauge G1, G2, G3, respectively with pressure transducer PT1, PT2, PT3, described pressure transducer PT1, PT2, PT3 are connected with control unit respectively.
Be respectively equipped with needle-valve BV1, BV2, BV3 on force feed air pipe, gas selling machine low pressure aspirating pipeline in described gas selling machine high pressure aspirating pipeline, gas selling machine.
Described control unit is CPU.
Technique effect of the present invention:
A kind of electronic type CNG provided by the invention gas station sequence control dish, comprise supply air line, instrument supply gas pipeline and control unit, supply air line comprises force feed air pipe, low pressure air cylinder group air inlet pipeline and gas selling machine low pressure aspirating pipeline in main air inlet pipeline, high-pressure gas cylinder group air inlet pipeline and the gas selling machine high pressure aspirating pipeline that connects compressor outlet, middle pressure air cylinder group air inlet pipeline and gas selling machine; Main air inlet pipeline connects respectively high-pressure gas cylinder group air inlet pipeline, middle pressure air cylinder group air inlet pipeline, low pressure air cylinder group air inlet pipeline by the ball valve MV that connects successively and one-way valve CV0, and main air inlet pipeline also is connected one-way valve CV2, Pneumatic valve MVA3-1 by ball valve MV successively and is connected gas selling machine with one-way valve CV0; Be also to connect the main air inlet pipeline of compressor outlet in supply air line except connecting caisson, also directly be connected with gas selling machine, and caisson three grades of sequentially systems of aerating strategies have been adopted, according to the demand assignment throughput, in this system, caisson is divided into three unitary part of separating fully, adopts the sequential inflation scheme of high pressure, middle pressure, low pressure that CNG is added in three grades of caissons.In such inflation regime, concerning compressor, the priority of automobile is the highest, caisson takes second place, when needs during to the aerating refueling, if caisson pressure is inadequate, the compressed natural gas of compressor outlet is by electronic type sequence control dish priority of supply aerating vehicle, then press bomb group, middle pressure bottle group, low pressure bottle group sequentially to the station with air cylinder group air feed.The gas of getting from caisson adopts the order of high pressure (at last venting), middle pressure (the second venting), low pressure (venting at first) to get the gas way to realize; The gas selling machine high pressure aspirating pipeline that is connected on the high-pressure gas cylinder group connects gas selling machine by Pneumatic valve MVA3-1, one-way valve CV3; Be connected in the gas selling machine on pressure air cylinder group the force feed air pipe and connect gas selling machine by Pneumatic valve MVA3-2; The gas selling machine low pressure aspirating pipeline that is connected on low pressure air cylinder group connects gas selling machine by Pneumatic valve MVA3-3; When standing with air cylinder group gassy, first get gas from low pressure air cylinder group by electronic type sequence control dish and supply with the aerating vehicle, when car bottle pressure and low pressure air cylinder group pressure approach and do not guarantee to fill speed, gas selling machine switches to middle pressure air cylinder group to the inflation of aerating vehicle, by that analogy to high pressure air cylinder group.Stand do not reach to aerating vehicle air feed with the air cylinder group under force value and car bottle pressure and air cylinder group pressure when approaching and not guaranteeing to fill speed, compressor is directly given aerating vehicle air feed until the shutoff pressure of gas selling machine setting by electronic type sequence control dish.After gas selling machine was completed air feed shutoff gas outlet valve to the aerating vehicle, compressor carried out tonifying Qi with the air cylinder group according to high, medium and low order to the station by electronic type sequence control dish, until compressor apparatus is shut down.Control unit CPU is used for controlling the unlatching of solenoid valve, the instrument supply gas pipeline is by the unlatching of electromagnetic valve Pneumatic valve, and on standing with air cylinder group and aerating vehicle supply air line, pressure transducer is set respectively, sequentially open one by one the main criterion of Pneumatic valve air feed and the control that compressor assembly plays machine as air cylinder group and vehicle air feed.That electronic type sequence control dish of the present invention has is safe and reliable, power consumption is low, gas taking rate is high, install and use the characteristics such as easy to maintenance, has increased greatly the utilization ratio of caisson, but also has improved the aerating speed of aerating vehicle.
Description of drawings
Fig. 1 is the pipeline structure schematic diagram of electronic type CNG of the present invention gas station sequence control dish.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are described in further detail.
As shown in Figure 1, a kind of electronic type CNG gas station sequence control dish, comprise supply air line, instrument supply gas pipeline and control unit, supply air line comprises force feed air pipe, low pressure air cylinder group air inlet pipeline and gas selling machine low pressure aspirating pipeline in main air inlet pipeline, high-pressure gas cylinder group air inlet pipeline and the gas selling machine high pressure aspirating pipeline that connects compressor outlet, middle pressure air cylinder group air inlet pipeline and gas selling machine; Main air inlet pipeline connects respectively high-pressure gas cylinder group air inlet pipeline, middle pressure air cylinder group air inlet pipeline, low pressure air cylinder group air inlet pipeline by the ball valve MV that connects successively and one-way valve CV0; Have sequence valve SRVV, the one-way valve CV1, the pressure gauge G1 that connect in turn on high-pressure gas cylinder group air inlet pipeline, have Pneumatic valve MVA1, the one-way valve CV4, the pressure gauge G2 that connect in turn on middle pressure air cylinder group air inlet pipeline, have Pneumatic valve MVA2, the one-way valve CV5, the pressure gauge G3 that connect in turn on low pressure air cylinder group air inlet pipeline; The gas selling machine high pressure aspirating pipeline that is connected on the high-pressure gas cylinder group connects gas selling machine by Pneumatic valve MVA3-1, one-way valve CV3; Be connected in the gas selling machine on pressure air cylinder group the force feed air pipe and connect gas selling machine by Pneumatic valve MVA3-2; The gas selling machine low pressure aspirating pipeline that is connected on low pressure air cylinder group connects gas selling machine by Pneumatic valve MVA3-3; Main air inlet pipeline also is connected one-way valve CV2, Pneumatic valve MVA3-1 by ball valve MV successively and is connected gas selling machine with one-way valve CV0; During connecting by solenoid valve SV1, the instrument supply gas pipeline presses the Pneumatic valve MVA1 on air cylinder group air inlet pipeline, connect Pneumatic valve MVA2 on low pressure air cylinder group air inlet pipeline by solenoid valve SV2, connect respectively Pneumatic valve MVA3-2, the Pneumatic valve MVA3-3 of gas selling machine low pressure aspirating pipeline on the force feed air pipe in Pneumatic valve MVA3-1 on gas selling machine high pressure aspirating pipeline, gas selling machine by solenoid valve SV3; Control unit is connected electromagnetic valve SV1, SV2, SV3 respectively, and on pressure gauge G1, G2, G3, respectively with pressure transducer PT1, PT2, PT3, pressure transducer PT1, PT2, PT3 are connected with control unit respectively.In embodiment, control unit is CPU.Be respectively equipped with needle-valve BV1, BV2, BV3 on force feed air pipe, gas selling machine low pressure aspirating pipeline in gas selling machine high pressure aspirating pipeline, gas selling machine, when needle-valve BV1, BV2, BV3 were maintenance, system's emptying was used.
The working principle of electronic type sequence control dish of the present invention is as follows: after the compressor apparatus energising, CPU commander solenoid valve SV3 opens, and instrument supply gas is opened simultaneously by solenoid valve SV3 control Pneumatic valve MVA3-1, MVA3-2, MVA3-3.
1, the cooled gas of compressor pressurizes is through the manual ball valve MV of main air inlet pipeline, and at first one-way valve CV0 enters high-pressure gas cylinder group air inlet pipeline and gas selling machine high pressure aspirating pipeline.If there is no pressure in the high-pressure gas cylinder group, and there is the aerating vehicle to need aerating (this moment, the gas selling machine high pressure valve was opened).Natural gas after pressurization this moment is subjected to the restriction of sequence valve SRVV force value 24Mpa and one-way valve CV3, and gas can only enter gas selling machine according to the sequential flowing of MV-CV0-CV2-MVA3-1, preferentially gives the aerating of aerating vehicle.
2, the cooled gas of compressor pressurizes is through the manual ball valve MV of main air inlet pipeline, and one-way valve CV0 enters high-pressure gas cylinder group air inlet pipeline and gas selling machine high pressure aspirating pipeline.If there is no pressure in the high-pressure gas cylinder group, do not need again to the aerating of aerating vehicle (this moment, the gas selling machine high pressure valve was closed).Natural gas after pressurization this moment is subjected to the restriction of gas selling machine and one-way valve CV3, the gaseous-pressure supercharging, and when surpassing 24Mpa, sequence valve SRVV opens, and gas enters the high-pressure gas cylinder group through one-way valve CV1.Fuel gas flow is sequentially: MV-CV0-SRVV-CV1-high-pressure gas cylinder group.
3, CPU is when pressure transducer PT1 receives high-pressure gas cylinder group pressure to 24Mpa, and commander's solenoid valve SV1 opens, and instrument supply gas is controlled Pneumatic valve MVA1 by solenoid valve SV1 and opened.At this moment high-pressure gas cylinder group air inlet pipeline and gas selling machine high pressure aspirating pipeline pressure are to 24Mpa, the Pneumatic valve MVA2 that controls low pressure air cylinder group air inlet pipeline and gas selling machine low pressure aspirating pipeline pressure does not open, and does not give again aerating vehicle aerating (this moment, the gas selling machine high pressure valve was closed).Gas can only according to the sequential flowing of MV-CV0-MVA1-CV4, enter middle pressure air cylinder group.
4, CPU is when pressure transducer PT2 receives middle pressure air cylinder group pressure to 24Mpa, and commander's solenoid valve SV2 opens, and instrument supply gas is controlled Pneumatic valve MVA2 by solenoid valve SV2 and opened.At this moment high-pressure gas cylinder group air inlet pipeline and gas selling machine high pressure aspirating pipeline pressure are to 24Mpa, and in middle pressure air cylinder group air inlet pipeline and gas selling machine, force feed air pipe pressure to 24Mpa, is not given again aerating vehicle aerating (this moment, the gas selling machine high pressure valve was closed) yet.Gas can only according to the sequential flowing of MV-CV0-MVA2-CV5, enter low pressure air cylinder group.
When 5, pressure transducer PT3 receives low pressure air cylinder group pressure to 24Mpa, do not give again aerating vehicle aerating (this moment, the gas selling machine high pressure valve was closed), sequence valve SRVV opens, high, medium and low voltage air cylinder group can fill simultaneously, until when reaching the setting value 25.4Mpa that compressor apparatus shuts down, compressor apparatus is shut down;
Inflation sequence is: MV-CV0-SRVV-CV1--high-pressure gas cylinder group
Press the air cylinder group in MV-CV0-MVA1-CV4-
MV-CV0-MVA2-CV5-low pressure air cylinder group.
6, in high, medium and low voltage air cylinder group, gas is full of, and compressor apparatus is shut down, and aerating vehicle aerating (this moment, the gas selling machine high pressure valve was opened) is at this moment arranged.At first get gas from low pressure air cylinder group, directly supply with the aerating vehicle through Pneumatic valve MVA3-3, when car bottle pressure and low pressure air cylinder group pressure approach and do not guarantee to fill speed, gas selling machine switches to middle pressure air cylinder group, directly supply with the aerating vehicle through Pneumatic valve MVA3-2, gas selling machine switches to the high-pressure gas cylinder group when car bottle pressure and middle pressure air cylinder group pressure approach and do not guarantee to fill speed, inflates to the aerating vehicle through one-way valve CV3, Pneumatic valve MVA3-1.
Inflation does not reach requirement if 7 air cylinder groups are to the aerating vehicle, and compressor apparatus has been received the operation of machine signal, and the sequence control dish can be by 1 step to the inflation of aerating vehicle, until fill it up with.
The inflation regime of electronic type sequence control dish of the present invention has adopted the compressor Priority Control Strategies.Electronic type sequence control dish is according to the demand assignment throughput, and during to the aerating refueling, if caisson pressure is inadequate, electronic type sequence control dish is directly given the aerating refueling by compressor apparatus, rather than gives the caisson aerating when needs.Like this, caisson can be given the aerating refueling, and compressor apparatus also can be given aerating refueling (this moment, compressor apparatus was not to the caisson aerating).In this scheme, concerning compressor, the priority of automobile is the highest, and caisson takes second place.If the caisson gassy, after caisson was filled it up with gas to the aerating automobile, electronic type sequence control dish replenished from caisson to caisson by compressor apparatus and is added to gas the aerating automobile.This inflation regime has increased the utilization ratio of caisson greatly, and improved the aerating speed of aerating automobile, distributed for small-sized station (compressor and caisson do not need large investment) or aerating load very effective more uniform gas station.
Electronic type sequence control dish has adopted a kind of system that is known as three grades of order aerating strategies to caisson.In this system, caisson is divided into three unitary part of separating fully, adopts the sequential inflation scheme that CNG is added in three grades of caissons.The taking-up of gas from caisson sequentially got the gas way by the gas selling machine employing and realized.
Three grades of caissons of the present invention according to the sequencing of getting gas from device be divided into high-pressure gas cylinder group (at last venting), pressure air cylinder group (the second venting), low pressure air cylinder group (venting at first).When caisson all was full of, the pressure that three stage arrangements begin most was all 3600psig (24.8MPa).Three other gas storage volumes of level are preferably divided by 50%, 30%, 20%.
At first gas selling machine gets gas to refueling from the low pressure caisson, in case pressure begins to equate (be actually flow be reduced to a unacceptable level judge), control system in gas selling machine just switches to middle pressure caisson with the source of the gas of gas selling machine, then equally by pressure reduction to automobile inflating, until flow constantly reduces, then switch to the high-pressure gas system.At last, in case high-pressure installation gas flow rate out is reduced to certain level, just start compressor directly to refueling, until fill it up with.
In this scheme, the volume of three groups of caissons can equate, yet also can adopt certain collocation method to be divided into three groups that differ in size.Be the more effective gas storage volume that utilizes, generally the volume ratio with three groups of containers is divided into low pressure 50%, middle pressure 30%, high pressure 20%.
By electronic type sequence control dish, we can utilize total gas storage volume of about 32%, far above the utilization ratio of buffer system; In addition, aeration speed also is greatly improved, because when gas selling machine switches between three groups of storage tanks, the automobile gas cylinder can obtain three fulminant high speed inflations.
In practical operation, to be far longer than the gas cylinder volume of automobile due to the gas storage volume of gas station, gas selling machine only need to be got gas from one group or two groups of storage tanks just can fill it up with an automobile.
The electronic type sequence control dish principle of three grades of gas storage systems is: at first compressor apparatus to the inflation of high-pressure gas device, is then middle pressure, is low pressure at last.This assurance can the low-voltage and medium voltage device complete they in power add tolerance after, the high-pressure gas device can be filled it up with automobile.In fact, when the needs aerating, the highest compressor priority is to the automobile gas cylinder; When automobile is filled it up with and after gas selling machine cut off air-flow, compressor just replenished the tolerance of taking away from caisson.
Should be pointed out that the above embodiment can make the invention of those skilled in the art's comprehend, but do not limit the present invention in any way creation.Therefore, although this specification and embodiment have been described in detail to the invention,, it will be appreciated by those skilled in the art that still and can modify or be equal to replacement the invention; And all do not break away from technological scheme and the improvement thereof of the spirit and scope of the invention, and it all is encompassed in the middle of the protection domain of the invention patent.
Claims (3)
1. electronic type CNG gas station sequence control dish, it is characterized in that, comprise supply air line, instrument supply gas pipeline and control unit, described supply air line comprises force feed air pipe, low pressure air cylinder group air inlet pipeline and gas selling machine low pressure aspirating pipeline in main air inlet pipeline, high-pressure gas cylinder group air inlet pipeline and the gas selling machine high pressure aspirating pipeline that connects compressor outlet, middle pressure air cylinder group air inlet pipeline and gas selling machine; Described main air inlet pipeline connects respectively high-pressure gas cylinder group air inlet pipeline, middle pressure air cylinder group air inlet pipeline, low pressure air cylinder group air inlet pipeline by the ball valve MV that connects successively and one-way valve CV0; Have sequence valve SRVV, the one-way valve CV1, the pressure gauge G1 that connect in turn on described high-pressure gas cylinder group air inlet pipeline, have Pneumatic valve MVA1, the one-way valve CV4, the pressure gauge G2 that connect in turn on described middle pressure air cylinder group air inlet pipeline, have Pneumatic valve MVA2, the one-way valve CV5, the pressure gauge G3 that connect in turn on described low pressure air cylinder group air inlet pipeline; The gas selling machine high pressure aspirating pipeline that is connected on the high-pressure gas cylinder group connects gas selling machine by Pneumatic valve MVA3-1, one-way valve CV3; Be connected in the gas selling machine on pressure air cylinder group the force feed air pipe and connect gas selling machine by Pneumatic valve MVA3-2; The gas selling machine low pressure aspirating pipeline that is connected on low pressure air cylinder group connects gas selling machine by Pneumatic valve MVA3-3; Described main air inlet pipeline also is connected one-way valve CV2, Pneumatic valve MVA3-1 by ball valve MV successively and is connected gas selling machine with one-way valve CV0; During connecting by solenoid valve SV1, described instrument supply gas pipeline presses the Pneumatic valve MVA1 on air cylinder group air inlet pipeline, connect Pneumatic valve MVA2 on low pressure air cylinder group air inlet pipeline by solenoid valve SV2, connect respectively Pneumatic valve MVA3-2, the Pneumatic valve MVA3-3 of gas selling machine low pressure aspirating pipeline on the force feed air pipe in Pneumatic valve MVA3-1 on gas selling machine high pressure aspirating pipeline, gas selling machine by solenoid valve SV3; Described control unit is connected electromagnetic valve SV1, SV2, SV3 respectively, and on described pressure gauge G1, G2, G3, respectively with pressure transducer PT1, PT2, PT3, described pressure transducer PT1, PT2, PT3 are connected with control unit respectively.
2. electronic type CNG according to claim 1 gas station sequence control dish, is characterized in that, is respectively equipped with needle-valve BV1, BV2, BV3 on force feed air pipe, gas selling machine low pressure aspirating pipeline in described gas selling machine high pressure aspirating pipeline, gas selling machine.
3. electronic type CNG according to claim 1 gas station sequence control dish, is characterized in that, described control unit is CPU.
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| CN201310093403.0A CN103148348B (en) | 2013-03-22 | 2013-03-22 | Electronic type CNG (Compressed Natural Gas) gas charging station sequence control panel |
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| CN104778515A (en) * | 2015-04-20 | 2015-07-15 | 中国石油化工股份有限公司 | LNG station equipment selecting method |
| CN104791601A (en) * | 2015-04-20 | 2015-07-22 | 中国石油化工股份有限公司 | Equipment selection method for CNG (compressed natural gas) filling substation |
| CN106015926A (en) * | 2016-07-12 | 2016-10-12 | 中国石油化工股份有限公司 | Compressed hydrogen storage and charging system of hydrogen refueling station |
| CN106195619A (en) * | 2016-07-12 | 2016-12-07 | 中国石油化工股份有限公司 | Mechanical type hydrogenation stations hydrogen compression gas storage system |
| CN106195618A (en) * | 2016-07-12 | 2016-12-07 | 中国石油化工股份有限公司 | Hydrogenation stations double-compressor operation control system |
| CN106287220A (en) * | 2015-05-29 | 2017-01-04 | 安瑞科(蚌埠)压缩机有限公司 | The control method of sequential control dish and the sequential control dish of gas station in gas station |
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| CN114110418A (en) * | 2021-11-29 | 2022-03-01 | 中国科学院工程热物理研究所 | Gas filling station and gas filling method |
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| CN106015926A (en) * | 2016-07-12 | 2016-10-12 | 中国石油化工股份有限公司 | Compressed hydrogen storage and charging system of hydrogen refueling station |
| CN106195619A (en) * | 2016-07-12 | 2016-12-07 | 中国石油化工股份有限公司 | Mechanical type hydrogenation stations hydrogen compression gas storage system |
| CN106195618A (en) * | 2016-07-12 | 2016-12-07 | 中国石油化工股份有限公司 | Hydrogenation stations double-compressor operation control system |
| CN107620859A (en) * | 2016-07-14 | 2018-01-23 | 石家庄安瑞科气体机械有限公司 | Unpowered natural gas trailer assembly and control method with cycle alternation control system |
| CN107620859B (en) * | 2016-07-14 | 2021-06-22 | 石家庄安瑞科气体机械有限公司 | Unpowered natural gas trailer assembly with cycle alternation control system and control method |
| CN112984370A (en) * | 2021-02-07 | 2021-06-18 | 北京伯肯节能科技股份有限公司 | Sequence disc system for hydrogenation station and use method thereof |
| CN114110418A (en) * | 2021-11-29 | 2022-03-01 | 中国科学院工程热物理研究所 | Gas filling station and gas filling method |
| CN114110418B (en) * | 2021-11-29 | 2023-09-22 | 中国科学院工程热物理研究所 | Gas station and gas filling method |
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