CN1583480A - Non-power natural gas supplying system and method thereof - Google Patents
Non-power natural gas supplying system and method thereof Download PDFInfo
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- CN1583480A CN1583480A CN 200410026177 CN200410026177A CN1583480A CN 1583480 A CN1583480 A CN 1583480A CN 200410026177 CN200410026177 CN 200410026177 CN 200410026177 A CN200410026177 A CN 200410026177A CN 1583480 A CN1583480 A CN 1583480A
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Abstract
A non-power natural gas filling system is composed of a truck, a gas unloading cylinder, and a gas vendor. On said truck there are multiple container groups able to indenpendently supply gas and connected via pipeline and valve to said gas unloading cylinder and gas vendor. Its gas filling method features that the gas pressure of said container is 25 MPa, so it can be automatically filled into the cars.
Description
Technical field
The present invention relates to compression natural gas air entraining substation equipment and aerating method, particularly a kind of unpowered natural gas system and aerating method.
Background technology
Two classes are divided at the natural gas vehicle refueling station of widespread usage both at home and abroad at present: 1) take natural fuels by pipe-line transportation system (pipe network), the gas station of market goods locally after compression is called the standard station; 2) take natural fuels by pipeline, concentrate compression with many main equipments, the group of gas station who is transported to the strange land scattered distribution with high pressure vessel is called the mothers and sons system of standing.Concentrated compressor station claims female station, is that the gas station of source of the gas is the substation with vehicle-mounted pressure container.
Existing common substation technology, equipment and principle:
1) container of transport of compressed natural: generally adopt the long tube formula transport trolley that meets the DOT standard at present both at home and abroad.The steel cylinder of 8 Φ 559 * 10975 and pipeline valve are formed forty foot equivalent unit, volume 8 * 2.25=18m
3, maximum working pressure 20Mpa is loaded on the standard superimposed trailer (chassis).Transport trolley rests against the substation source of the gas is provided.The whole parallel connections of container steel cylinder of transport trolley are one group, shared import and export, and the air pressure of every steel cylinder descends synchronously when the external air feed of transport trolley.
2) because the volume of steel vessel is immutable, long tube formula transport trolley steel cylinder internal gas pressure behind the vehicle air feed of being bullied descends.For the vehicle storage pressure that guarantees to be bullied when transport trolley air pressure constantly descends reaches 20MPa, general-duty technology is to be provided with in the substation by compressor tonifying Qi supercharging substation (fixing) gaholder group, its effect be vehicle-mounted container behind the gas cylinder air feed of the vehicle of being bullied once more to the vehicle air feed of being bullied, the air pressure of supplying the automobile gas cylinder is to 20MPa.The station of substation is made up of with the middle pressure gaholder of identical voltage withstand class the high-pressure gas cylinder of maximum working pressure 25MPa with the gaholder group, press again high pressure to divide three methods to be called three-way order aerating mode in after this first low pressure, can improve gas cylinder gas taking rate and compressor operating efficient to the vehicle air feed of being bullied.
3) get gas by long tube formula transport trolley, replenishing the equipment of standing with gaholder group air pressure is the substation compressor.The substation compressor is a specialized equipment, but automatic sequence is replenished bottle group pressure.Its equipment complexity, involve great expense.The efficient of compression energy is not high, consumption of power is bigger because the compressibility and the heat of compression of gas, mechanical energy are converted to, and this is the part that the substation investment is maximum, operating cost is the highest.
4) discharge column, gas selling machine: discharge column is to connect the long tube formula transport trolley of transport of compressed natural and the specialized equipment of compressor, is made up of joint, flexible pipe, valve.All discharge columns all have only a pipeline, unique interface of corresponding long tube formula transport trolley remittance gas row; Gas selling machine is that the computer automatic guidance measures and the three-way equipment of selling gas automatically, has three pipelines to connect the high, medium and low voltage gaholder respectively.
The hydraulic pressure substation patented technology general introduction (application number: 02803740.5) that domestic enterprise is introduced by the U.S.
1) core of this technology is to utilize the incompressibility of liquid, consume less plunger oil pump with the mechanical efficiency high power, the liquid of patented technology is injected vehicle-mounted container, and container pressure descends when avoiding exporting gas, realizes not having the sell gas process of station with gaholder group compressor-free.
2) for the vehicle storage pressure that guarantees to be bullied reaches 20MPa, vehicle-mounted container is used the more long tube container of high pressure grade instead: 15 Φ 406 * 10975 steel cylinders that meet the DOT standard are formed 40 forty equivalent unit 40s, its operation pressure 25Mpa, and cost is than the container height of 20MPa.The shared import inflation of the vehicle-mounted container of this technology, all steel cylinders are unified pressure.In order to save the liquid of patented technology, every steel cylinder is provided with an independent gas vent operated pneumatic valve, two liquid turnover operated pneumatic valves can be discharged the natural fuels of a steel cylinder in turn, the adapter of groups of containers and the investment of operated pneumatic valve system complex are bigger, and the special-purpose long tube formula of this groups of containers stack-mounted transport trolley price is higher than common long tube formula transport trolley more than 50%.The control housing price of special-purpose simultaneously import plunger oil pump and control oil pump, groups of containers operated pneumatic valve surpasses the substation compressor.
3) this technology is compared with existing common substation technology, has reduced substation equipment gross investment and occupation of land slightly; Oil pump is simple than compressor, maintaining is relatively easy; Operating cost obviously reduces; Existing relatively common substation technology has a clear superiority in.This technology is carried out type approval test at home, the formal commercial off-the-shelf device of Shang Weiyou.
In sum, existing common substation technology exists that construction investment is big, consumption of power is high, the high deficiency of service expenditure.The hydraulic pressure substation investment of being introduced by the U.S. is equally very big, and over-the-road expense is relatively low still need annual hundreds thousand of units.High cost makes the compression natural gas price high for a long time, has restricted applying of this clean energy resource.
Summary of the invention
The objective of the invention is to simplify to greatest extent the equipment of air entraining substation, reduce investment and over-the-road expense significantly and a kind of unpowered natural gas system and aerating method thereof are provided, promote applying of compression natural gas.
Unpowered natural gas system of the present invention and aerating method thereof adopt following technological means to realize:
Unpowered natural gas of the present invention system comprises transport trolley, discharge column and gas selling machine, and transport trolley is provided with the groups of containers of a plurality of independent gas supplies, and every group of container connects into an outlet by pipeline and valve separately; Discharge column is provided with a plurality of gas that unload and takes over; Each of the import and export of each pressure container group on the transport trolley and discharge column unloads gas and takes over and is connected by its cooresponding pressure line, and each of discharge column unloads that gas is taken over and gas selling machine passes through cooresponding pressure line direct connection.
The present invention uses the method for unpowered natural gas system aerating, may further comprise the steps:
1), adopt that pressure rating is housed is 25MPa, every group of 2-4 container, the bicycle of totally five groups of containers is to the car air feed of being bullied:
A, each groups of containers (A), (B), (C), (D) and (E) unload gas and take over and be connected simultaneously with five of discharge column (2), each groups of containers is passed through pipeline separately respectively to 5 line gas selling machine (3) air feed;
B, gas selling machine are got gas from each groups of containers successively according to the order of (A), (B), (C), (E), (D) automatically, to the car inflation of being bullied,, promptly reduce to when minimum near balance until the air pressure of the air pressure of high pressure group (E) and the car of being bullied, finish the air feed process of this bicycle when the gas selling machine flow;
C, releasing are respectively organized container and are connected with the pipeline of discharge column (2), change next transport trolley, repeat a, the operation of b item;
2), the employing pressure rating is 25MPa, per car is equipped with the transport trolley of three groups, every group 2-5 container, with two car forms to the car air feed of being bullied;
A, the A1 of first car group container is organized container with middle pressure pipe road (5), C1 and is connected by pipeline respectively with low pressure line (6) with pressure duct (4), the B1 group container of discharge column (2), directly to three-way gas selling machine (3) and by gas selling machine (3) to the car air feed of being bullied, gas selling machine is got gas according to low pressure, middle pressure, high-voltage order from groups of containers automatically, reduces to and the air pressure of the car of being bullied is promptly finished the F/s air feed near balance until A1 group container air pressure;
B, subordinate phase are abandoned the C1 group, and low pressure line (6) reconfiguration B1 is organized; Middle pressure pipe road (5) reconfiguration A1 group; Pressure duct (4) reconfiguration continues to the gas selling machine air feed to the C2 group container of second car, and gas selling machine is got gas according to low pressure, middle pressure, high-voltage order from groups of containers automatically, organizes the air pressure of the air pressure and the car of being bullied near balance until C2;
C, continue and the like up to the air pressure of B2 group air pressure and the car of being bullied near balance, A1 group air pressure is reduced to 5Mpa, first car finished whole air feed processes, returns the inflation of female station, the second car A2 is as the high pressure group, B2, C2 are that the mesolow group continues air feed.
The present invention does not compared with prior art rely on compressor, stands with high pressure gaholder group ftercompction or oil booster pump pressurize, and the grouping that the utilizes particular design long tube formula transport trolley of air feed and unique gas pipe-connecting mode that unloads stage by stage successively realizes the unpowered gas of selling fast; The investment of substation power supply, compression, gas storage equipment and its consumption of power, service expenditure have been exempted; Save the occupation of land of these equipment itself and its safe spacing.
Description of drawings
Fig. 1 also is a bicycle aerating method scheme drawing of the present invention for unpowered natural gas system schematic of the present invention;
Fig. 2 is an of the present invention pair of car aerating method F/s air feed scheme drawing;
Fig. 3 is an of the present invention pair of car aerating method subordinate phase air feed scheme drawing;
Fig. 4 is the common natural gas system schematic of prior art.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is described in further detail:
The present invention utilizes existing standard container and universal valve, by pressure container steel cylinder grouping with special-purpose long tube formula transport trolley, make long tube formula transport trolley possess the function of transportation and multi-thread air feed simultaneously to the mode of the car air feed of being bullied successively, can be directly to three-way or five line gas selling machine air feed.In the gas process of selling that keeps realizing under the higher gas taking rate condition non-power consumption.
Referring to unpowered natural gas system schematic shown in Figure 1:
Refueling system of the present invention comprises transport trolley 1, discharge column 2 and gas selling machine 3, and it is one group that transport trolley 1 is provided with every 2-5 container, the groups of containers of 3-5 independent gas supply, and every group of container connects into an outlet by pipeline and valve separately; Discharge column 2 is provided with the gas that unloads that equates with groups of containers quantity and takes over; Each of the import and export of each pressure container group on the transport trolley 1 and discharge column 2 unloads gas and takes over and is connected by its cooresponding pressure line, and each of discharge column 2 unloads that gas is taken over and gas selling machine 3 passes through cooresponding pressure line direct connection.
It is that the method for natural gas vehicle refueling has two kinds, first kind of special transport vehicle bicycle aerating of using five groups of containers, second kind of two car aerating of special transport vehicle of using three groups of group containers that the present invention uses unpowered natural gas system.
It is the method for natural gas vehicle refueling that the present invention uses first kind of unpowered natural gas system, may further comprise the steps:
A, the compressor of at first being stood by mother are inflated to 25Mpa through the gas overcharging post to the container of respectively organizing of transport trolley 1, and be identical with present common transport trolley inflation mode, Device-General.
B, five groups of container special transport vehicles 1 are exclusively used in the operation of bicycle air feed.Each group container is connected by 5 pipelines simultaneously with discharge column 2, and each organizes container respectively to 5 line gas selling machine air feed;
C, gas selling machine use respectively special transport vehicle respectively organize gas that container provides according to first low pressure after in press high-voltage again order to the car inflation of being bullied, near balance (the gas selling machine flow is reduced to the limit), finish this car air feed process until the air pressure of the air pressure of high pressure group A and certain car of being bullied.
D, releasing are respectively organized container and are connected with the pipeline of discharge column 2, change next transport trolley.
The method that it is natural gas vehicle refueling that the present invention uses second kind of unpowered natural gas system is to go forward one by one successively to change the method for each groups of containers, and promptly three-way discharge column connects three in six groups of containers of 2 special transport vehicles in turn.Used transport trolley 1 is provided with the 25MPa grade groups of containers of 3 groups of independent gas supplies, and every group of container connects into an outlet by pipeline and valve separately; Discharge column 2 is provided with 3 and unloads gas adapter, promptly high aluminium hydraulic pressed connecting pipe 4, middle aluminium hydraulic pressed connecting pipe 5 and low aluminium hydraulic pressed connecting pipe 6; On the transport trolley 1 respectively organize pressure container group and discharge column 2 each unload gas and take over and is connected by cooresponding pressure line, 3 of discharge column 2 unload that gas is taken over and gas selling machine 3 passes through cooresponding pressure line direct connection.
Second method may further comprise the steps:
A, the compressor of at first being stood by mother are inflated to 25Mpa through the gas overcharging post to the container of respectively organizing of transport trolley 1, and be identical with present common transport trolley inflation mode, Device-General.
B, referring to Fig. 2, two car air feed F/s air supply methods are identical with the bicycle air feed operation of five groups of container special transport vehicles.A1 is organized container be connected by pipeline respectively with low pressure line 6 with middle pressure pipe road 5, C1 group container, directly to three-way gas selling machine 3 air feed with pressure duct 4, the B1 group container of discharge column 2; During near balance, finish F/s air feed process with the car of being bullied until A1 group air pressure, at this moment full car unloads gas rate 48%.
C, referring to Fig. 3, two car couplings are subordinate phase.Abandon the C1 group, low pressure line 6 reconfiguration B1 group; Middle pressure pipe road 5 reconfiguration A1 group; Pressure duct 4 reconfiguration C2 group continues to the gas selling machine air feed, organizes air pressure and is bullied car near balance until C2.
D, and the like continue to abandon B1 group, low pressure line 6 reconfiguration A1 group; Middle pressure pipe road 5 reconfiguration C2 group; Pressure duct 4 reconfiguration B2 group continues to the gas selling machine air feed, organizes air pressure and is bullied car near balance until B2.
E, B2 group air pressure be bullied car during, low pressure line 6 reconfiguration C2 group near balance; Middle pressure pipe road 5 reconfiguration B2 group; Pressure duct 4 reconfiguration A2 group, this moment, A1 group air pressure was reduced to 5Mpa, and first car finished whole air feed processes, returns the inflation of female station.The second car A2 is as the high pressure group, and B2, C2 continue air feed for the mesolow group, still is bicycle (getting back to the F/s state).
E, circulation like this can make the per car gas taking rate reach 78%.
The first method gas taking rate is more than 60%; The second method gas taking rate reaches 78%, the car load gas taking rate that makes long tube formula transport trolley is near the level that the compressed machine of long tube superimposed trailer of common 8 Φ 559 * 10975 steel cylinders unloads gas, is higher than under prior art common substation equipment and the technological condition 25Mpa substation far away with the level of gaholder group gas taking rate 35%.This is the important way that improves bomb group degree of utilization, realizes unpowered substation aerating equipment economical operation.Two kinds of methods all can satisfy practical needs, and operational process safety, cleaning, noiselessness is pollution-free, and advanced technology is feasible.
The present invention does not rely on compressor, substation with high pressure gaholder group ftercompction or oil booster pump pressurize, and long tube formula transport trolley and unique gas pipe-connecting mode that unloads stage by stage of air feed are realized the unpowered three-way gas of selling fast successively to utilize the grouping of particular design; The investment of release substation power supply, compression, gas storage equipment and its consumption of power, service expenditure; Save the occupation of land of these equipment itself and its safe spacing.Compare with the common substation of prior art, investment more than 1,000,000 yuan is saved at every stand station, and annual saving over-the-road expense more than 500,000 yuan can make the aerating cost of natural fuels substation greatly reduce, and promotes present technique and is of great importance to developing the natural gas-powered car industry.
The present invention can saferly build the packaged type gas station more easily, any vacant lot that enough areas is arranged and meet the security against fire spacing can both become short-term gas station land used, and " formally ", " forever " that can solve long-term obstruction gas station industry development take up an area of expropriation of land difficulty, the planning difficulty that causes, the problem of examining difficulty.
Claims (5)
1, a kind of unpowered natural gas system, comprise transport trolley (1), discharge column (2) and gas selling machine (3), it is characterized in that: transport trolley (1) is provided with the groups of containers of a plurality of independent gas supplies, and every group of container connects into an outlet by pipeline and valve separately; Discharge column (2) is provided with a plurality of gas that unload and takes over; Each of the import and export of each pressure container group on the transport trolley (1) and discharge column (2) unloads gas and takes over and is connected by its cooresponding pressure line, and each of discharge column (2) unloads that gas is taken over and gas selling machine (3) passes through cooresponding pressure line direct connection.
2, unpowered natural gas according to claim 1 system, the groups of containers that it is characterized in that said a plurality of independent gas supplies is the 3-5 group, every 2-5 container is one group.
3, unpowered natural gas according to claim 1 system is characterized in that said a plurality of gas that unloads takes over and be 3-5.
4, a kind of method of using the aerating of unpowered natural gas system is characterized in that: may further comprise the steps:
1), adopt that pressure rating is housed is 25MPa, every group of 2-4 container, the bicycle of totally five groups of containers is to the car air feed of being bullied:
A, each groups of containers (A), (B), (C), (D) and (E) unload gas and take over and be connected simultaneously with five of discharge column (2), each groups of containers is passed through pipeline separately respectively to 5 line gas selling machine (3) air feed;
B, gas selling machine are got gas from each groups of containers successively according to the order of (A), (B), (C), (E), (D) automatically, to the car inflation of being bullied,, promptly reduce to when minimum near balance until the air pressure of the air pressure of high pressure group (E) and the car of being bullied, finish the air feed process of this bicycle when the gas selling machine flow;
C, releasing are respectively organized container and are connected with the pipeline of discharge column (2), change next transport trolley, repeat a, the operation of b item;
2), the employing pressure rating is 25MPa, per car is equipped with the transport trolley of three groups, every group 2-5 container, with two car forms to the car air feed of being bullied;
A, the A1 of first car group container is organized container with middle pressure pipe road (5), C1 and is connected by pipeline respectively with low pressure line (6) with pressure duct (4), the B1 group container of discharge column (2), directly to three-way gas selling machine (3) and by gas selling machine (3) to the car air feed of being bullied, gas selling machine is got gas according to low pressure, middle pressure, high-voltage order from groups of containers automatically, reduces to and the air pressure of the car of being bullied is promptly finished the F/s air feed near balance until A1 group container air pressure;
B, subordinate phase are abandoned the C1 group, and low pressure line (6) reconfiguration B1 is organized; Middle pressure pipe road (5) reconfiguration A1 group; Pressure duct (4) reconfiguration continues to the gas selling machine air feed to the C2 group container of second car, and gas selling machine is got gas according to low pressure, middle pressure, high-voltage order from groups of containers automatically, organizes the air pressure of the air pressure and the car of being bullied near balance until C2;
C, continue and the like up to the air pressure of B2 group air pressure and the car of being bullied near balance, A1 group air pressure is reduced to 5Mpa, first car finished whole air feed processes, returns the inflation of female station, the second car A2 is as the high pressure group, B2, C2 are that the mesolow group continues air feed.
5, the method for unpowered natural gas according to claim 4 is characterized in that it is according to getting gas successively by the order of (A), (B), (C), (D), (E) that said groups of containers (A), (B), (C), (D) reach (E).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100261775A CN100509501C (en) | 2004-05-27 | 2004-05-27 | Non-power natural gas supplying system and method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100261775A CN100509501C (en) | 2004-05-27 | 2004-05-27 | Non-power natural gas supplying system and method thereof |
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| CN1583480A true CN1583480A (en) | 2005-02-23 |
| CN100509501C CN100509501C (en) | 2009-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2004100261775A Expired - Fee Related CN100509501C (en) | 2004-05-27 | 2004-05-27 | Non-power natural gas supplying system and method thereof |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100346103C (en) * | 2005-09-06 | 2007-10-31 | 马磊 | Quickly assembled secondary gas refueling station without compressor |
| CN100417860C (en) * | 2006-02-10 | 2008-09-10 | 马磊 | Gas filling machine capable of automatically sequencing to supply gas |
| CN101915358A (en) * | 2010-07-23 | 2010-12-15 | 邯郸新兴重型机械有限公司 | Return oil detection method of hydraulic type natural gas vehicle gas-filling substation |
| CN102242865A (en) * | 2011-04-11 | 2011-11-16 | 青岛中油通用机械有限公司 | Continuous gas supply device of hydraulic substation trailer |
| CN103388738A (en) * | 2013-08-01 | 2013-11-13 | 新兴能源装备股份有限公司 | High-pressure natural gas long tube trailer for second-level refilling |
| CN104094036A (en) * | 2011-12-05 | 2014-10-08 | 蓝波股份有限公司 | Type-4 tank for CNG containment |
| CN105501101A (en) * | 2015-12-22 | 2016-04-20 | 重庆市高新技术产业开发区潞翔能源技术有限公司 | Bundling pipe type natural gas transport vehicle |
| CN107620866A (en) * | 2016-07-14 | 2018-01-23 | 石家庄安瑞科气体机械有限公司 | Unpowered natural gas filling station and control method with cycle alternation 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 |
| CN109140231A (en) * | 2018-09-20 | 2019-01-04 | 四川原力工程设计有限公司 | A kind of energy-saving compressed natural gas substation device system |
-
2004
- 2004-05-27 CN CNB2004100261775A patent/CN100509501C/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100346103C (en) * | 2005-09-06 | 2007-10-31 | 马磊 | Quickly assembled secondary gas refueling station without compressor |
| CN100417860C (en) * | 2006-02-10 | 2008-09-10 | 马磊 | Gas filling machine capable of automatically sequencing to supply gas |
| CN101915358A (en) * | 2010-07-23 | 2010-12-15 | 邯郸新兴重型机械有限公司 | Return oil detection method of hydraulic type natural gas vehicle gas-filling substation |
| CN101915358B (en) * | 2010-07-23 | 2012-02-15 | 邯郸新兴重型机械有限公司 | Return oil detection method of hydraulic type natural gas vehicle gas-filling substation |
| CN102242865A (en) * | 2011-04-11 | 2011-11-16 | 青岛中油通用机械有限公司 | Continuous gas supply device of hydraulic substation trailer |
| CN104094036A (en) * | 2011-12-05 | 2014-10-08 | 蓝波股份有限公司 | Type-4 tank for CNG containment |
| CN103388738A (en) * | 2013-08-01 | 2013-11-13 | 新兴能源装备股份有限公司 | High-pressure natural gas long tube trailer for second-level refilling |
| CN105501101A (en) * | 2015-12-22 | 2016-04-20 | 重庆市高新技术产业开发区潞翔能源技术有限公司 | Bundling pipe type natural gas transport vehicle |
| CN107620866A (en) * | 2016-07-14 | 2018-01-23 | 石家庄安瑞科气体机械有限公司 | Unpowered natural gas filling station and control method with cycle alternation 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 |
| CN107620866B (en) * | 2016-07-14 | 2020-07-31 | 石家庄安瑞科气体机械有限公司 | Unpowered natural gas filling station with circulation alternate control system and control method |
| 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 |
| CN109140231A (en) * | 2018-09-20 | 2019-01-04 | 四川原力工程设计有限公司 | A kind of energy-saving compressed natural gas substation device system |
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|---|---|
| CN100509501C (en) | 2009-07-08 |
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