CN101780940A - Son-mother gas filling station - Google Patents

Son-mother gas filling station Download PDF

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Publication number
CN101780940A
CN101780940A CN201010132110A CN201010132110A CN101780940A CN 101780940 A CN101780940 A CN 101780940A CN 201010132110 A CN201010132110 A CN 201010132110A CN 201010132110 A CN201010132110 A CN 201010132110A CN 101780940 A CN101780940 A CN 101780940A
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China
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pressure
trailer
gas cylinder
gas
son
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CN201010132110A
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Chinese (zh)
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沈军
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Individual
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Individual
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Priority to CN201010132110A priority Critical patent/CN101780940A/en
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    • 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
    • Y02E60/32—Hydrogen storage

Abstract

The invention relates to a son-mother gas filling station, which consists of a compressor or a low-temperature pump, a trailer cylinder and a gas filling machine. The son-mother gas filling station is technically characterized in that the compressor or the low-temperature pump increases outlet pressure to fill gas into the trailer cylinder, so that the pressure in the trailer cylinder is higher than the pressure in a vehicle cylinder, and the gas filling for the vehicle cylinder is completed through connection with the gas filling machine. The technical scheme greatly simplifies the technological flow, and is simple, efficient, energy-saving and safer. The terminal gas filling part of the son-mother gas filling station requires no power-driven power supply or transformer, thereby saving the labor and the cost of power consumption, and the gas filling terminal (son station) part can be easily constructed; the area directly occupied by the equipment is small, and the son station expanding speed is high; the investment in large-scale equipment such as a compressor leveling body, a hydraulic leveling body and the like is saved; the zero pollution and zero emission are realized; and the gas filling capability can be easily enhanced, and the invention avoids the problems of power consumption of the son station, mechanical wear and the like in the prior art. The gas filling terminal part of the son-mother gas filling station can fill gas into the vehicle cylinder in any place in a movable or fixed way.

Description

Son-mother gas filling station
Technical field
The son-mother gas filling station that the present invention relates to is made up of compressor or cryopump, trailer gas cylinder, filling machine, claims again to be applicable to all gases by refueling system, as natural fuels, hydrogen etc., belongs to energy infrastructure device and provides the field together.
Background technology
For giving natural fuels, hydrogen fuel refueling, adopt the form of " son-mother gas filling station " to form sales network at present to the aerating of automobile gas cylinder.The present invention is that example is illustrated with the CNG Compressed Natural Gas Automobile, is equally applicable to hydrogen.
Primary gas filling station is got from natural gas pipeline and is entered compressor after gas, pressure regulation, metering, dehydration, the filtration and boost and be fortune trailer cylinder filling gas.
It is the LNG gasification station that primary gas filling station also has a kind of form, and the discharging of the liquid transportation of LNG tank car, cryopump pressurization, carburetter vaporization are fortune trailer cylinder filling gas.
They are at common ground: female station is after fortune trailer cylinder filling is expired, operation pressure in its trailer gas cylinder is 20MPa, because China's automobile gas cylinder (specified) pressure is 20PMPa, trailer gas cylinder and Automobile air bottle pressure all are 20MPa, pressure equates, causes the substation also to want the secondary pressurization just can finish the aerating of automobile gas cylinder.This is existing son-mother gas filling station technical characterictic.
At present, compressor and two kinds of pressurization forms of hydraulic pressure sledge body are adopted in the substation.
Compressor formula gas station flow process:
After the fortune trailer arrives secondary gas filling station, adopt the two wire system air feed, the 1 the tunnel is the direct-furnish line, utilizes the gas of 20MPa in the fortune trailer gas cylinder directly to supply source of the gas for refueling or for substation gaholder group (comprising low pressure bottle group, middle pressure bottle group); The 2 the tunnel is the pressurization circuit, and when gaholder group (bomb group) pressure during less than 22MPa, compressor is opened, and extracts that natural fuels replenishes the pressure of high-pressure gas cylinder group to 25MPa in the trailer gas cylinder.
Major equipment:
Compressor formula gas station major equipment comprises: gas compressor sledge body; Supercharge control system; The gaholder group; Priority sequence controller; Filling machine; Unload gas system (discharge column); Distribution equipment (box type transformer).
The technological process of fluid pressure type secondary gas filling station:
After the fortune trailer arrives secondary gas filling station, manually high pressure feed liquor flexible pipe, high pressure return flexible hose, control tracheae bundle, the CNG high pressure flexible pipe of giving vent to anger is connected with hydraulic pressure substation sledge body by ready-packaged joint.Take the time of fortune trailer.
After system's connection finishes, start hydraulic pressure substation sledge body monitoring hydraulic efficiency pressure system, when pressure hangs down, high-pressure hydraulic pump is started working, the PLC autonomous cruise speed system can be opened the liquid flowing valve of the 1st gaholder and the valve of giving vent to anger, close back fluid valve, high-pressure liquid medium (a kind of low volatility hydraulic oil) is injected gaholder, guarantee that the interior gaseous tension of gaholder of gas bottle truck remains on 20～22MPa.
CNG gives vent to anger after flexible pipe enters hydraulic pressure substation sledge body expansion tank through the CNG high pressure by the gaholder air extractor duct, is delivered to the CNG filling machine through high-pressure pipe, gives the CNG refueling.
When the natural fuels when about 90% is derived, autonomous cruise speed system sends instruction, close the liquid flowing valve of this gaholder, the valve of giving vent to anger, open back fluid valve, the high-pressure liquid medium in this moment the 1st gaholder turns back under gaseous tension and self gravitation effect in the storage tank in the sledge body.
At interval after several seconds, the liquid flowing valve of the 2nd gaholder, the valve open of giving vent to anger (return fluid valve and close this moment), highly pressurised liquid begins to charge into.After the liquid dielectric overwhelming majority in the 1st gaholder turns back to storage tank (liquid dielectric that on a small quantity can not return in addition in the gaholder this moment will be trapped in the gaholder), autonomous cruise speed system sends instruction, returns the liquid valve and closes.
During equipment operation, realize 8 gaholder sequential working successively by the PLC process control system.Pneumatic actuator is according to the terminal valve of in good time each gaholder of opening and closing of PLC control program, order conversion work gaholder.
Major equipment
Fluid pressure type secondary gas filling station major equipment comprises: hydraulic pressure substation sledge body, i.e. sledge body; Pressure charging system (comprising homemade fire proof motor, high pressure pump, pressure-gradient control valve, high-pressure pipe member, wet tank); Priority sequence controller; Filling machine; Distribution equipment (box type transformer);
Above-mentioned two types of secondary gas filling stations, shortcoming is:
Equipment is various, complicated operation, and mechanical wear is huge, and many costs of choosing are big, and floor area is big, and particularly compressor sledge body and hydraulic pressure sledge body cost an arm and a leg, and invest huge.Owing to need electrical source of power, need the supporting electrical network increase-volume of voltage transformer, addressing needs planning, the type secondary gas filling station rate of expansion is slow, at present, a lot of secondary gas filling stations are arranged because expense height, particularly compressor, Hydraulic Pump service expenditure height such as electricity consumption, personnel selections, enterprise can't bear the heavy load, and closes close a business many.
Bigger shortcoming:
The aircompressor type secondary gas filling station uses air compressor to have noise to disturb residents; Increase the aerating ability of secondary gas filling station, correspondence will increase power load, increase the quantity of compressor and fortune trailer, and the expense increase is very big.
The fluid pressure type secondary gas filling station, having a large amount of high-pressure liquid medium (a kind of low volatility hydraulic oil) to inject in the gaholder can't reclaim, and volatile oil has very large injury (carbon distribution is very many, and is very big to the piston injury) to automotive engine.Increase the aerating ability of secondary gas filling station, correspondence will increase power load, increase the quantity of Hydraulic Pump and fortune trailer, and the expense increase is very big.
The operation form operation of son-mother gas filling station in decades, fortune trailer gas cylinder operation pressure is always at 20MPa, each state of the whole world all like this, become " old rules and regulations ", existing primary and secondary station equipment is very many, complex process, waste energy, disposal of pollutants is arranged, have noise to disturb residents, nobody considers to improve fortune trailer gas cylinder operation pressure for which type of unexpected effectiveness.
I am at the patent No. of application on March 31st, 2009: 200910029998.7; On May 19th, 2009 application patent of invention number is: 200910141153.7, and at that time, national several gas cylinder trailer manufacturer does not have 25MPa gas cylinder trailer transportation product to sell at all.During this case application so far, do not find to have on the market gas cylinder trailer to sell greater than 20MPa yet.After this case application, the inventor manufacturer that goes to go canvassing produces the gas cylinder trailer of 25MPa, and this case is implemented.
Summary of the invention
Technical scheme:
Son-mother gas filling station is made up of compressor or cryopump, fortune trailer gas cylinder, filling machine, its technical characterictic: compressor or cryopump improve delivery pressure fortune trailer gas cylinder are inflated, make pressure in its fortune trailer gas cylinder greater than the Automobile air bottle pressure, be connected with filling machine and finish the aerating of automobile gas cylinder.
Son-mother gas filling station claims refueling system again, and female station normally provides the zone of source of the gas, bleeds and sets up female station at this as the natural gas line cut; Or LNG gasification station.The substation is generally the aerating terminal, the acid gas zone.
The mother of the natural gas line employing compressor of standing is non-necessary condition as for getting gas, pressure regulation, dehydration, filtration, is prior art.
Another form of female station is: liquified natural gas LNG gasification station adopts cryopump, as for unload liquid, the carburetter vaporization is non-necessary condition, is prior art.
(specified) pressure of CNG Compressed Natural Gas Automobile gas cylinder is 20MPa, (specified) pressure of hydrogen fuel automobile gas cylinder is 35MPa, in the commercial operation, automobile gas cylinder (specified) pressure can be specified, can 20MPa as the hydrogen car storage pressure, but be less than the 35MPa of national regulation, can implement equally.The pressure that the present invention requires to make its trailer gas cylinder is greater than the Automobile air bottle pressure, and promptly natural fuels, hydrogen trailer gas cylinder are respectively greater than 20MPa, 35MPa, and preferably natural fuels trailer storage pressure is about 25MPa, and hydrogen trailer storage pressure is about 45MPa.Be connected with filling machine and finish the aerating of automobile gas cylinder.
The pressure of the latter half of substation of the technical program technology trailer gas cylinder is greater than the Automobile air bottle pressure; be connected with filling machine and finish the aerating of automobile gas cylinder; if this technical characterictic is set up; solve very goodly; whole technical proposal just has novelty, practicality, creativeness; make that compressor or cryopump improve delivery pressure to the inflation of trailer gas cylinder in the technology of the technical program forebody denominator station, make the pressure of its trailer gas cylinder just have practical significance and technical protection value greater than the Automobile air bottle pressure.
In the number of applying for a patent be: 200910141153.7 " a kind of filling machines and by its gas station that constitutes ", with the PCT international application patent No. of the same name be: PCT/CN2010/000355, in specification sheets, be perfectly clear and explained the circulation of many gas cylinders in detail high pressure gas is provided, satisfy filling machine the aerating of automobile gas cylinder.Here repeat no more; if authorize, supporting for this case with it, need this case that mother's delivery pressure of standing is carried out technical characterictic and innovates; and the overall technology feature of explanation this case son-mother gas filling station protects, and illustrated that also this case whole technical proposal reaches unexpected effectiveness simultaneously.
Among Fig. 1 and Fig. 2, improve the delivery pressure of compressor or cryopump, it or not the thing that people expect easily, people stand fast at 20MPa fortune trailer storage pressure always, with automobile gas cylinder charge pressure also be this rule of 20MPa, nobody expects improving compressor, the cryopump delivery pressure promptly improves the pressure that fills in the fortune trailer gas cylinder, nobody breaks this rule, because, pressure is adjusted, all ducted pressure all will be adjusted, the withstand voltage parameter of various valves all will be changed, also have the pressure of trailer gas cylinder to heighten, the gas cylinder wall thickness will increase, weight increases, withstand voltage will be readjusted and detect, whole female station and substation will be readjusted and assemble, change work is huge, people are unwilling to take a risk to change the risk that provides pressure to bring is provided, and are not simple working, only detect just unusual giant of its task again, the operating mode of son-mother gas filling station nearly twenty or thirty occurs over year, nobody proposes and will heighten mother's delivery pressure of standing, with 25MPa fortune trailer gas cylinder fortune, because nobody knows which type of beyond thought special-effect can be arranged.There is not the fortune trailer of 25MPa to sell on the market yet.
Particularly Shanxi coal gas gasification success in 2009, a large amount of liquefaction coal bed gass still adopts existing primary and secondary station technology hell to pay, wastes energy.Because liquefaction coal bed gas supercharging vaporization is very easy to, and can save substation secondary pressure process fully, also there is no need to pressurize at the substation secondary.Adopt this programme, save substation secondary pressure process fully.Such technique effect is difficult to the imagination.
This programme is equally applicable to hydrogen station, and liquid hydrogen vaporization station, hydrogen generator station are female station, and filling machine constitutes the substation with fortune hydrogen trailer gas cylinder, and method is as the natural fuels son-mother gas filling station.Repeat no more like this.
Beneficial effect
1, son-mother gas filling station technical scheme of the present invention has been simplified technological process greatly, and is simple, efficient, energy-conservation, safer.
2, son-mother gas filling station terminal aerating (substation) part does not need electrical source of power, does not need voltage transformer, has saved personnel and power consumption expense, and aerating terminal (substation) part is built a station easily; The direct floor area of equipment is little, and without any building, the substation rate of expansion is fast;
3, saved substation main equipment investment, as compressor sledge body, hydraulic pressure sledge body etc.;
4, zero disposal of pollutants;
5, aerating ability increases very easy the realization, does not relate to substation power supply energy consumption, the problem that prior aries such as mechanical wear exist.
6, son-mother gas filling station terminal aerating (substation) part can be with mobile or fixed form in any place to the aerating of automobile gas cylinder,
Description of drawings
Fig. 1 is that pipe natural gas is the son-mother gas filling station diagram of circuit at female station; Wherein 1 represents compressor; 2 expression fortune trailer gas cylinders; 3 expression filling machines; 4 expression natural gas lines; 5 expression dehydrations, filtration, airer; 6 expression inflation bus ducts; Zone, the female station of expression in 7 frame of broken lines; Expression zone, substation or aerating terminal in 8 frame of broken lines.
Fig. 2 is the son-mother gas filling station diagram of circuit of LNG gasification station for female station; Wherein 1 represents cryopump; 2 expression fortune trailer gas cylinders; 3 expression filling machines; 4 expression liquefied natural gas (LNG) plant or receiving terminals; The transportation that between factory and gasification station, circulates of 5 expression LNG tank cars; 6 expression LNG liquid tank cars; 7 expression carburetteies; 8 expression inflation bus ducts; 9 expression gas phases are unloaded; 10 expression LNG liquid channels; 11 frame of broken lines are represented zone, female station; Expression zone, substation or aerating terminal in 12 frame of broken lines.
Embodiment
Embodiment 1
Fig. 1 is that pipe natural gas is the son-mother gas filling station diagram of circuit at female station; Wherein 1 represents compressor; 2 expression fortune trailer gas cylinders; 3 expression filling machines; 4 expression natural gas lines; 5 expression dehydrations, filtration, airer; 6 expression inflation bus ducts; Zone, the female station of expression in 7 frame of broken lines; Expression zone, substation or aerating terminal in 8 frame of broken lines.
The process implementing flow process:
In 7 female stations, natural fuels is extracted out through 5 dehydrations, filtration, airer to 1 compressor pressurizes to 25-30MPa from 4 natural gas lines, inflate bus ducts to fortune trailer cylinder filling gas through 6, it is 25MPa that the trailer gas cylinder is filled atmospheric pressure, be transported to each cooresponding substation and be connected with the filling machine of 3 expressions in 8 substations, finish the aerating of automobile gas cylinder, the pressure of the bottled full gas of Automobile air is 20MPa.
Embodiment 2
Fig. 2 is the son-mother gas filling station diagram of circuit of LNG gasification station for female station; Wherein 1 represents compressor; 2 expression fortune trailer gas cylinders; 3 expression filling machines; 4 expression liquefied natural gas (LNG) plant or receiving terminals; The transportation that between factory and gasification station, circulates of 5 expression LNG tank cars; 6 expression LNG liquid tank cars; 7 expression carburetteies; 8 expression inflation bus ducts; 9 expression gas phases are unloaded; 10 expression LNG liquid channels; 11 frame of broken lines are represented zone, female station; Expression zone, substation or aerating terminal in 12 frame of broken lines.
The process implementing flow process:
LNG liquid tank car 6 transportation that between 5 factories and gasification station, circulates, in 11 female stations, 6LNG liquid tank car is connected with cryopump, unload by 9 gas phases, LNG liquid in 6 tank cars is flowed into cryopump through 10, cryopump improves pressure and LNG liquid is pressed in 7 carburetteies to 25-30MPa, LNG vaporizes after 8 inflation bus ducts are inflated 2 fortune trailer gas cylinders, the pressure that fortune trailer gas cylinder is filled gas is 25MPa, 2 fortune trailer gas cylinders are connected with 3 filling machines, to the aerating of automobile gas cylinder, the pressure of the bottled full gas of Automobile air is 20MPa.

Claims (4)

1. a son-mother gas filling station is made up of compressor or cryopump, fortune trailer gas cylinder, filling machine, its technical characterictic is: compressor or cryopump improve delivery pressure fortune trailer gas cylinder are inflated, make pressure in its fortune trailer gas cylinder greater than the Automobile air bottle pressure, be connected with filling machine and finish the aerating of automobile gas cylinder.
2. a kind of son-mother gas filling station as claimed in claim 1, the pressure in its described fortune trailer gas cylinder is greater than the Automobile air bottle pressure, and its technical characterictic is:
The CNG Compressed Natural Gas Automobile storage pressure is 20MPa, and the pressure of hydrogen fuel automobile gas cylinder is 35MPa, and in the commercial operation, the Automobile air bottle pressure can be specified, but is less than the pressure of national regulation;
The pressure of fortune trailer gas cylinder is promptly transported natural fuels, hydrogen trailer gas cylinder respectively greater than 20MPa, 35MPa greater than the Automobile air bottle pressure, preferably transports natural fuels trailer storage pressure at 25MPa, and fortune hydrogen trailer storage pressure is at 45MPa.
3. set up a kind of method of son-mother gas filling station, form by compressor or cryopump, fortune trailer gas cylinder, filling machine, its technical characterictic is: compressor or cryopump improve delivery pressure fortune trailer gas cylinder are inflated, make pressure in its fortune trailer gas cylinder greater than the Automobile air bottle pressure, be connected with filling machine and finish the aerating of automobile gas cylinder.
4. the method for setting up a kind of son-mother gas filling station as claimed in claim 3, the pressure in its described fortune trailer gas cylinder is greater than the Automobile air bottle pressure, and its technical characterictic is:
The CNG Compressed Natural Gas Automobile storage pressure is 20MPa, and the pressure of hydrogen fuel automobile gas cylinder is 35MPa, and in the commercial operation, the Automobile air bottle pressure can be specified, but is less than the pressure of national regulation;
The pressure of fortune trailer gas cylinder is promptly transported natural fuels, hydrogen trailer gas cylinder respectively greater than 20MPa, 35MPa greater than the Automobile air bottle pressure, preferably transports natural fuels trailer storage pressure at 25MPa, and fortune hydrogen trailer storage pressure is at 45MPa.
CN201010132110A 2010-03-25 2010-03-25 Son-mother gas filling station Pending CN101780940A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102663915A (en) * 2012-04-13 2012-09-12 大连市锅炉压力容器检验研究院 Simulation system for assessing actual gas cylinder filling operations
CN104595701A (en) * 2014-12-16 2015-05-06 沈军 Primary pipeline natural gas filling station with two kinds of filling pressures
CN106090599A (en) * 2016-06-28 2016-11-09 沈军 Hydrogen energy supply chain
CN109027663A (en) * 2018-06-13 2018-12-18 浙江昊凡科技有限公司 A kind of spare charging device and charging system of hydrogenation stations hydrogen energy source

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10274394A (en) * 1997-03-27 1998-10-13 Sanyo Electric Co Ltd Pressure raising supply device
CN1434241A (en) * 2002-01-24 2003-08-06 高勇 Constant pressure inflating and releasing air container
JP2004263801A (en) * 2003-03-03 2004-09-24 Niimi Sangyo Kk Charging device
CN201074728Y (en) * 2007-06-11 2008-06-18 马磊 Addition high pressure gas-filling device for gas-filling substation
CN101372956A (en) * 2008-07-18 2009-02-25 温州强盛石化机械有限公司 Natural gas compressor and system for CNG gas-adding station with arbitrary variable intake pressure
CN101509599A (en) * 2009-03-31 2009-08-19 沈军 Secondary gas filling station
CN101509600A (en) * 2009-03-31 2009-08-19 沈军 Primary gas filling station

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10274394A (en) * 1997-03-27 1998-10-13 Sanyo Electric Co Ltd Pressure raising supply device
CN1434241A (en) * 2002-01-24 2003-08-06 高勇 Constant pressure inflating and releasing air container
JP2004263801A (en) * 2003-03-03 2004-09-24 Niimi Sangyo Kk Charging device
CN201074728Y (en) * 2007-06-11 2008-06-18 马磊 Addition high pressure gas-filling device for gas-filling substation
CN101372956A (en) * 2008-07-18 2009-02-25 温州强盛石化机械有限公司 Natural gas compressor and system for CNG gas-adding station with arbitrary variable intake pressure
CN101509599A (en) * 2009-03-31 2009-08-19 沈军 Secondary gas filling station
CN101509600A (en) * 2009-03-31 2009-08-19 沈军 Primary gas filling station

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102663915A (en) * 2012-04-13 2012-09-12 大连市锅炉压力容器检验研究院 Simulation system for assessing actual gas cylinder filling operations
CN104595701A (en) * 2014-12-16 2015-05-06 沈军 Primary pipeline natural gas filling station with two kinds of filling pressures
CN106090599A (en) * 2016-06-28 2016-11-09 沈军 Hydrogen energy supply chain
CN109027663A (en) * 2018-06-13 2018-12-18 浙江昊凡科技有限公司 A kind of spare charging device and charging system of hydrogenation stations hydrogen energy source
CN109027663B (en) * 2018-06-13 2021-01-15 浙江昊凡科技有限公司 Standby filling device and filling system for hydrogen energy of hydrogen station

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Application publication date: 20100721