CN102011936A - Hydraulic bottle pushing double-line gas filling substation - Google Patents
Hydraulic bottle pushing double-line gas filling substation Download PDFInfo
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- CN102011936A CN102011936A CN2010105213788A CN201010521378A CN102011936A CN 102011936 A CN102011936 A CN 102011936A CN 2010105213788 A CN2010105213788 A CN 2010105213788A CN 201010521378 A CN201010521378 A CN 201010521378A CN 102011936 A CN102011936 A CN 102011936A
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Abstract
The invention discloses a hydraulic bottle pushing double-line gas filling substation, and provides a hydraulic bottle pushing double-line gas filling substation which has the advantages of low gas filling energy consumption and low investment cost. The gas filling substation comprises a double-line gas filler, a gas path reversing valve bank and at least two compressed natural gas (CNG) storage bottles, wherein the double-line gas filler is provided with a high-pressure gas filling pipeline and a low-pressure gas filling pipeline; the front ends of all the CNG storage bottles are provided with a gas path control valve for controlling CNG output respectively; the CNG storage bottles are divided into a high-pressure group and a low-pressure group; the output ends of the gas control valves of the CNG storage bottles of the high-pressure group are gathered on a high-pressure gas path pipeline; the output ends of the gas control valves of the CNG storage bottles of the low-pressure group are gathered on a low-pressure gas path pipeline; the output ends of the high-pressure gas path pipeline and the low-pressure gas path pipeline are connected with the input end of the gas path reversing valve bank respectively; and the output end of the gas path reversing valve bank is connected with the high-pressure gas path pipeline and the low-pressure gas path pipeline of the double-line gas filler respectively.
Description
Technical field
The present invention relates to a kind of CNG air entraining substation, especially relate to a kind of hydraulic pressure bottle and push away the two-wire air entraining substation, belong to CNG aerating equipment technical field.
Background technique
Existing two-wire or three-way filling machine are mainly used in to have in the air entraining substation structure that the different gas storage well of two or three pressure provides source of the gas, has in described filling machine respectively and the high pressure aerating pipeline of the corresponding connection of different pressures gas storage well, middle pressure aerating pipeline and low pressure aerating pipeline.In the process of the CNG gas holder aerating of giving automobile, the aerating pipeline that successively inserts different pressures along with the variation of gas holder internal air pressure respectively carries out aerating, reaches the purpose of saving the aerating energy.The shortcoming of this air entraining substation is must drop into a large amount of funds and build fixing gas storage well when setting up air entraining substation.
Hydraulic pressure bottle of the prior art pushes away air entraining substation and belongs to single wire device, there is not gas storage well, generally all be divided into two aerating groups by at least two CNG holding bottles and constitute, the front end and back end of each CNG holding bottle is respectively arranged with the control valve of a control gas, oil turnover CNG holding bottle.The hydraulic oil control valve that is positioned at the CNG holding bottle rear end of different aerating groups is pooled to respectively on two oil circuit pipelines, described two oil circuit pipelines are connected with the hydraulic oil output terminal of oil circuit control selector valve group respectively, forming the two-wire oil injection structure comes the holding bottle oiling pressurization or the oil return of different aerating groups are unloaded, overcome the wait process of single line oiling pressurization and oil return unloading, guarantee in the process of same automobile being carried out aerating the continuity when the CNG holding bottle of an aerating group is changed to the CNG holding bottle of another aerating group, shortened the time of aerating; The CNG gas path control valve that is positioned at different aerating group holding bottle front ends is pooled to and is single line filling machine air feed on the same CNG gas line, forms single line structure air entraining substation.Described single line structure air entraining substation is to rely on oil pump that pressure is provided, gas in the CNG holding bottle is pressed in the CNG gas holder of automobile, the aerating process of the higher pressure of whole lower pressure when the automobile gas holder begins aerating when filling it up with gas, all require the expenditure of energy and the CNG gas in the holding bottle could be pressed in the gas holder of automobile, increased the cost of production of gas station virtually, so more and more can not adapt to the environmental requirement of energy-saving and emission-reduction.
Summary of the invention
Technical problem to be solved by this invention is: provide the hydraulic pressure bottle that a kind of aerating energy consumption is low, cost of investment is few to push away the two-wire air entraining substation.
The technological scheme that adopts for solving the problems of the technologies described above is: a kind of hydraulic pressure bottle pushes away the two-wire air entraining substation, comprise the two-wire filling machine, gas circuit selector valve group and at least two CNG holding bottles, described two-wire filling machine has high pressure aerating pipeline and low pressure aerating pipeline, the front end of described CNG holding bottle all has the gas path control valve of control CNG gas output, described CNG holding bottle is divided into high pressure group and low pressure group, the output terminal of the gas path control valve of described high pressure group CNG holding bottle is pooled on the high-pressure gas circuit pipeline, the output terminal of the gas path control valve of described low pressure group CNG holding bottle is pooled on the low pressure gas circuit pipeline, the output terminal of described high-pressure gas circuit pipeline and described low pressure gas circuit pipeline is connected with the input end of described gas circuit selector valve group respectively, and the output terminal of described gas circuit selector valve group is connected with low pressure aerating pipeline with the high pressure aerating pipeline of described two-wire filling machine respectively.
Further be, has the high pressure connecting tube between the output terminal of described two-wire filling machine high pressure aerating pipeline and gas circuit selector valve group, have low-pressure connection tube between another output terminal of described two-wire filling machine low pressure aerating pipeline and gas circuit selector valve group, between described high pressure connecting tube and described low-pressure connection tube, be provided with relief valve.
The invention has the beneficial effects as follows: the CNG holding bottle is divided into high pressure and two groups of low pressure, after in holding bottle, injecting or unload hydraulic oil by oil pump, form a high pressure holding bottle group and a low pressure holding bottle group, gas path control valve with the CNG holding bottle front end in two holding bottle groups is pooled to respectively on two CNG pipelines again, is connected with low pressure aerating pipeline with the high pressure aerating pipeline of two-wire filling machine respectively by gas circuit selector valve group.During aerating, when automobile gas holder jar internal pressure is low, use the low pressure group aerating, to can not rely on self pressure to continue aerating to low pressure group after, change the high pressure group again into and carry out aerating, extremely till fill it up with to gas holder.Like this, when automobile gas holder jar internal pressure is low, can utilize in the CNG holding bottle self pressure to be the CNG refueling as low pressure stage pressure, save this part aerating energy, after reaching high pressure section, change the high pressure aerating pipeline of high pressure group holding bottle by gas circuit selector valve group and two-wire filling machine again into and carry out aerating, just need consume the aerating energy in whole aerating process during only at high pressure section, thereby reduce the energy consumption of aerating.Whole air entraining substation utilizes CNG to carry the CNG holding bottle in the trailer that source of the gas is provided simultaneously, does not need to build gas storage well, greatly reduces the cost of investment of setting up air entraining substation.
Description of drawings
Fig. 1 pushes away two-wire air entraining substation simplified structure schematic representation for hydraulic pressure bottle of the present invention.
Be labeled as among the figure: two-wire filling machine 1, CNG holding bottle 2, high pressure group CNG holding bottle 21, low pressure group CNG holding bottle 22, gas path control valve 3, gas circuit selector valve group 4, high-pressure gas circuit pipeline 7, low pressure gas circuit pipeline 8, high pressure connecting tube 9, low-pressure connection tube 10, relief valve 11.
Embodiment
Be that a kind of aerating energy consumption provided by the invention hydraulic pressure bottle low, that cost of investment is few pushes away the two-wire air entraining substation as shown in Figure 1.Described air entraining substation comprises two-wire filling machine 1, gas circuit selector valve group 4 and at least two CNG holding bottles 2, described two-wire filling machine 1 has high pressure aerating pipeline and low pressure aerating pipeline, the front end of described CNG holding bottle 2 all has the gas path control valve 3 of control CNG gas output, described CNG holding bottle 2 is divided into high pressure group and low pressure group, the output terminal of the gas path control valve 3 of described high pressure group CNG holding bottle 21 is pooled on the high-pressure gas circuit pipeline 7, the output terminal of the gas path control valve 3 of described low pressure group CNG holding bottle 22 is pooled on the low pressure gas circuit pipeline 8, the output terminal of described high-pressure gas circuit pipeline 7 and described low pressure gas circuit pipeline 8 is connected with the input end of described gas circuit selector valve group 4 respectively, and the output terminal of described gas circuit selector valve group 4 is connected with low pressure aerating pipeline with the high pressure aerating pipeline of described two-wire filling machine 1 respectively.After adopting said structure, during aerating, when automobile gas holder jar internal pressure is low, use the low pressure group aerating, to can not rely on self pressure to continue aerating to low pressure group holding bottle 22 after, change the high pressure group again into and carry out aerating, extremely till fill it up with to gas holder.Like this, when automobile gas holder jar internal pressure is low, can utilize in the low pressure group CNG holding bottle 22 self pressure to be the CNG refueling as low pressure stage pressure, save this part aerating energy, after reaching high pressure section, change the high pressure aerating pipeline of high pressure group holding bottle 21 by gas circuit selector valve group 4 and two-wire filling machine 1 again into and carry out aerating, whole aerating process only just need consume the aerating energy when high pressure section, thereby has reduced the energy consumption of aerating.Whole air entraining substation utilizes CNG to carry the holding bottle 2 in the trailer that source of the gas is provided simultaneously, does not need to build gas storage well, greatly reduces the cost of investment of setting up air entraining substation.
In the above-mentioned mode of execution, rising along with automobile gas holder jar internal pressure, especially in a period of time that gas will be filled it up with, the gas flow that uses is less, and oil pump is still working on, at this moment, pressure in the high pressure group CNG air cylinder 21 just increases comparatively fast, be easy to reach rated pressure, so the automatic control system of air entraining substation just can be blocked power supply, oil pump stops input hydraulic pressure oil in high pressure group CNG air cylinder 21, the frequent starting of oil pump occurs and stops, and the use that influences aerating equipment is received a mandate.For the phenomenon that reduces the oil pump Fraquent start and stop, has high pressure connecting tube 9 between the output terminal of described two-wire filling machine 1 high pressure aerating pipeline and gas circuit selector valve group 4, has low-pressure connection tube 10 between another output terminal of described two-wire filling machine 1 low pressure aerating pipeline and gas circuit selector valve group 4, between described high pressure connecting tube 9 and described low-pressure connection tube 10, be provided with relief valve 11, less and after pressure in the high pressure group CNG air cylinder 21 is raise at high pressure group gas consumption like this, just may by relief valve 11 with unnecessary gas delivery in low-pressure connection tube 10, when also reaching specified air pressure to the air pressure in low-pressure connection tube 10, the automatic control system of air entraining substation is just blocked power supply, oil pump stops input hydraulic pressure oil in high pressure group CNG air cylinder 21, reaches to reduce the number of times that the oil pump starting stops.
In embodiments of the present invention, relate to a kind of gas circuit selector valve group 4, this gas circuit selector valve group 4 is a kind of common bridge joint selector valve group of the prior art, as long as the pressure that its gas pressure that bears can satisfy in the high pressure aerating group gas circuit requires.
Claims (2)
1. a hydraulic pressure bottle pushes away the two-wire air entraining substation, comprise two-wire filling machine (1), gas circuit selector valve group (4) and at least two CNG holding bottles (2), described two-wire filling machine (1) has high pressure aerating pipeline and low pressure aerating pipeline, the front end of described CNG holding bottle (2) all has the gas path control valve (3) of control CNG gas output, it is characterized in that: described CNG holding bottle (2) is divided into high pressure group and low pressure group, the output terminal of the gas path control valve (3) of described high pressure group CNG holding bottle (21) is pooled on the high-pressure gas circuit pipeline (7), the output terminal of the gas path control valve (3) of described low pressure group CNG holding bottle (22) is pooled on the low pressure gas circuit pipeline (8), the output terminal of described high-pressure gas circuit pipeline (7) and described low pressure gas circuit pipeline (8) is connected with the input end of described gas circuit selector valve group (4) respectively, and the output terminal of described gas circuit selector valve group (4) is connected with low pressure aerating pipeline with the high pressure aerating pipeline of described two-wire filling machine (1) respectively.
2. hydraulic pressure bottle according to claim 1 pushes away the two-wire air entraining substation, it is characterized in that: have high pressure connecting tube (9) between the output terminal of described two-wire filling machine (1) high pressure aerating pipeline and gas circuit selector valve group (4), have low-pressure connection tube (10) between another output terminal of described two-wire filling machine (1) low pressure aerating pipeline and gas circuit selector valve group (4), between described high pressure connecting tube (9) and described low-pressure connection tube (10), be provided with relief valve (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2010105213788A CN102011936A (en) | 2010-10-27 | 2010-10-27 | Hydraulic bottle pushing double-line gas filling substation |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010105213788A CN102011936A (en) | 2010-10-27 | 2010-10-27 | Hydraulic bottle pushing double-line gas filling substation |
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| CN102011936A true CN102011936A (en) | 2011-04-13 |
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| CN2010105213788A Pending CN102011936A (en) | 2010-10-27 | 2010-10-27 | Hydraulic bottle pushing double-line gas filling substation |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103196032A (en) * | 2013-03-30 | 2013-07-10 | 毛春明 | Method for improving gas-filling capability of hydraulic flat-pushing secondary filling station |
| CN104482399A (en) * | 2014-12-17 | 2015-04-01 | 安徽安凯汽车股份有限公司 | CNG (Compressed Natural Gas) fuel gas pipeline system with double filling holes for passenger car |
| CN110005938A (en) * | 2019-04-23 | 2019-07-12 | 杭州杭氧低温液化设备有限公司 | A kind of continuous punching bottle automating krypton xenon-133 gas |
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| CN200999960Y (en) * | 2007-01-15 | 2008-01-02 | 四川金科环保科技有限公司 | Natural gas vehicle air entraining substation system |
| JP2008008388A (en) * | 2006-06-28 | 2008-01-17 | Taiyo Nippon Sanso Corp | High-pressure gas supply method |
| CN101327782A (en) * | 2008-07-29 | 2008-12-24 | 四川金科环保科技有限公司 | CNG air entraining substation system and air entraining method thereof |
| CN101813237A (en) * | 2010-02-11 | 2010-08-25 | 庞维龙 | Hydraulic CNG (Compressed Natural Gas) gas filling substation and pipeline system, control system and control method thereof |
| CN201568727U (en) * | 2009-12-28 | 2010-09-01 | 四川金科环保科技有限公司 | Frequency conversion type air entraining substation |
| CN201827653U (en) * | 2010-10-27 | 2011-05-11 | 四川金科环保科技有限公司 | Hydraulic horizontal-pushing double-track gas filling substation |
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2010
- 2010-10-27 CN CN2010105213788A patent/CN102011936A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008008388A (en) * | 2006-06-28 | 2008-01-17 | Taiyo Nippon Sanso Corp | High-pressure gas supply method |
| CN200999960Y (en) * | 2007-01-15 | 2008-01-02 | 四川金科环保科技有限公司 | Natural gas vehicle air entraining substation system |
| CN101327782A (en) * | 2008-07-29 | 2008-12-24 | 四川金科环保科技有限公司 | CNG air entraining substation system and air entraining method thereof |
| CN201568727U (en) * | 2009-12-28 | 2010-09-01 | 四川金科环保科技有限公司 | Frequency conversion type air entraining substation |
| CN101813237A (en) * | 2010-02-11 | 2010-08-25 | 庞维龙 | Hydraulic CNG (Compressed Natural Gas) gas filling substation and pipeline system, control system and control method thereof |
| CN201827653U (en) * | 2010-10-27 | 2011-05-11 | 四川金科环保科技有限公司 | Hydraulic horizontal-pushing double-track gas filling substation |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103196032A (en) * | 2013-03-30 | 2013-07-10 | 毛春明 | Method for improving gas-filling capability of hydraulic flat-pushing secondary filling station |
| CN104482399A (en) * | 2014-12-17 | 2015-04-01 | 安徽安凯汽车股份有限公司 | CNG (Compressed Natural Gas) fuel gas pipeline system with double filling holes for passenger car |
| CN104482399B (en) * | 2014-12-17 | 2016-03-23 | 安徽安凯汽车股份有限公司 | A kind ofly add gas port CNG fuel gas pipeline system for the two of passenger vehicle |
| CN110005938A (en) * | 2019-04-23 | 2019-07-12 | 杭州杭氧低温液化设备有限公司 | A kind of continuous punching bottle automating krypton xenon-133 gas |
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Application publication date: 20110413 |