CN104948905A - LNG charging machine and operation method thereof - Google Patents
LNG charging machine and operation method thereof Download PDFInfo
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- CN104948905A CN104948905A CN201510350948.4A CN201510350948A CN104948905A CN 104948905 A CN104948905 A CN 104948905A CN 201510350948 A CN201510350948 A CN 201510350948A CN 104948905 A CN104948905 A CN 104948905A
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Abstract
The invention discloses an LNG (Liquefied Natural Gas) charging machine and further discloses an operation method of the LNG charging machine. The LNG charging machine is characterized in that a chassis is in a cubical structure mounted vertically, and comprises two adjacent working faces, namely the front working face and the side working face respectively; a keyboard, an electronic display and a receipt printing outlet are arranged on and formed in the front working face; a pair of air vents is arranged at each of edges of the upper end and the lower end of the side working face; a pressure gauge, a jerk button, a hook and a charging gun are arranged in an area between the air vents at the upper end and the lower end of the side working face; and a horizontal position of the hook is higher than that of the charging gun. The designed LNG charging machine is high in measuring precision; by adopting an advanced dynamic filter technique, the flat characteristic of the precision is ensured, and the measuring precision and the accuracy are ensured; in addition, subsection precision compensation is realized by utilizing a flow compensation technique; zero wander is automatically corrected by an automatic zero setting technique; a temperature sensor is adopted, so that stiffness correction compensation is realized; and interference from an external environment is reduced by adopting a vibration signal isolation technique.
Description
Technical field
The invention belongs to the manufacture applied technical field of gas-fired equipment, particularly a kind of LNG liquid addition machine and operating method thereof.
Background technique
In recent years, along with the propelling of industrialization, urbanization, rock gas is developed rapidly as the clean energy resource of a kind of economy, environmental protection, uses the proportion of rock gas more and more obvious in automobile industry; But the management of data, safety, information resources is but in a kind of original manual management stage in automobile natural gas charging process.
In prior art, data statistics, aerating charge use manual operations, and not only workload is large for this, and cannot avoid manual errors; And inflation uses cash transaction, increases the possibility receiving counterfeit money; At Pneumatic vehicle steel cylinder to the date of inspection, may not information reminding and make aerating employee still for vehicle fills rock gas timely, this just constitutes threat to safe aerating.
Summary of the invention
Technical problem to be solved by this invention is, overcome the shortcoming of prior art, a kind of LNG liquid addition machine and operating method thereof are provided, the LNG liquid addition machine measuring accuracy of the present invention's design is high, adopt advanced Dynamic Filtering, ensure the falt characteristic of precision, ensure that the precision of metering is with accurate, use low discharge compensation technique to carry out segmentation accuracy compensation simultaneously, automatic clear technology carries out auto modification to zero shift, carry out stiffness check compensation with temperature transducer, adopt oscillating signal isolation technology, reduce the interference of external environment.
In order to solve above technical problem, the invention provides a kind of LNG liquid addition machine, comprise casing, keyboard, electronic console, receipt prints outlet, vent hole, liquid feeding rifle, pressure gauge, emergency stop button, hook and mass flowmenter, casing is the cube-shaped structure vertically installed, casing comprises two working surfaces, two working surfaces are two adjacent sides, be respectively work front and work side, work front is provided with keyboard, electronic console and receipt print outlet, the upper and lower end edge of work side is respectively equipped with a pair vent hole, pressure gauge is provided with in region between upper and lower end vent hole, emergency stop button, hook and liquid feeding rifle, the horizontal position of hook is higher than liquid feeding rifle,
Liquid feeding rifle is arranged on liquid feeding gun platform, liquid feeding rifle is by liquid-feeding tube quality of connection flowmeter, the other end of mass flowmenter connects input duct, and the connection interface place connecing input duct and mass flowmenter is provided with Pull breaking ualve, liquid feeding rifle is other is provided with return-air rifle, and return-air rifle connects vacuum box by muffler, vacuum box is connected with return-air duct, and return-air duct and vacuum box connection interface place are provided with safety check, vacuum box is connected by flexible pipe with mass flowmenter, and flexible pipe is provided with safety valve;
The foundation that input duct and return-air duct are all imbedded below casing carries out external, and is also provided with control cable, diffuse channel and instrument wind pipeline below casing.
The technological scheme that the present invention limits further is:
The specification of aforementioned liquid feeding rifle is working pressure 1.6-6.4Mpa.
Aforementioned Pull breaking ualve pull-off force under working pressure is 400-600N.
Aforementioned liquid-feeding tube and muffler are metallic hose, and its specification is working pressure 1.6Mpa.
Further,
The present invention also provides a kind of operating method of LNG liquid addition machine, and concrete steps are as follows:
A, to check whether each joint has abnormal loosening, checks liquid entering hole, whether circulation port valve be all in opening state, touch operating grip, check whether jam phenomenon, then passed into LNG Liquefied natural gas, checked whether to there is leakage phenomenon, liquid filler power-on self-test, confirms inerrancy prompting;
Before B, liquid feeding, guarantee that liquid feeding rifle port does not have pressure, liquid feeding rifle is vertically turned back to gun platform, confirm that rifle and gun platform are without frosting, impurity;
C, " precooling " key pressed on liquid filler keyboard, start precooling, after liquid filler is chilled to setting temperature in advance, automatically completes precooling;
D, liquid feeding rifle is connected to car bottle graft mouth, keypad " liquid feeding " key, as too high in car bottle pressure, should return-air rifle be connected, automatic stopping after liquid feeding completes.
E, when annotating complete, by liquid feeding gun handle upward, properly to preserve.
The invention has the beneficial effects as follows:
LNG liquid addition machine measuring accuracy of the present invention is high, adopt advanced Dynamic Filtering, ensure the falt characteristic of precision, ensure that the precision of metering is with accurate, use low discharge compensation technique to carry out segmentation accuracy compensation, automatic clear technology carries out auto modification to zero shift, carries out stiffness check compensation with temperature transducer simultaneously, adopt oscillating signal isolation technology, reduce the interference of external environment.
This product reliability is high, after breaking, and two ends self-sealing, and Pull breaking ualve two ends are furnished with and break protective gear, when Pull breaking ualve surprisingly departs from, can effectively prevent contingency from occurring, breaking protective gear and can ressemble after separation, extensive return function; Aerating speed is fast, has class accumulating function to improve to hand over to the next shift efficiency and total accumulative two storing function to ensure the true and reliable of cumulative data; Safety performance is high, and not only parts and complete machine all achieve explosion-proof license, and the whole poling of cable, effectively shield external interference; And be provided with multiple safe emergency bolt down procedure, obtain the explosion-proof card of T4 level; Large-screen lc display, clear attractive in appearance; Stainless steel side plate shell is luxurious attractive in appearance; Metal keyboard convenient and reliable operation.
LNG liquid addition machine filling process of the present invention pressure limiting is accurate, due in fueling process, when liquid is in flexible pipe, when flowing into steel cylinder by rifle valve, will form convergent jet pipe jet; According to fluid constant enthalpy flow principles in jet pipe, through the experiment at scene, successfully achieve in fueling process, the pressure in steel cylinder is calculated in real time, thus reach the object of accurate pressure limiting.
This product affects pressure limiting not by vehicle fills mode, and no matter vehicle is above or aerating below, can accurately pressure limiting; Be not subject to the impact that valve does not end or pipe section blocks; Not by the impact adding atmospheric pressure, even if during overpressure, also can accurately pressure limiting; Also be provided with filling machine overcurrent, overvoltage and o-volt protection function, in fueling process, namely occur that rifle valve drops; the abnormal conditions such as line fracture or pressure raise suddenly, system meeting automatic-closing valve, cuts off source of the gas; prevent unexpected generation, at utmost protect owner's interests.
Accompanying drawing explanation
The structure sectional view of the LNG liquid addition machine of Fig. 1 designed by the present invention;
The side schematic view of the LNG liquid addition machine of Fig. 2 designed by the present invention;
Wherein, 1-casing, 2-keyboard, 3-electronic console, 4-receipt prints outlet, 5-vent hole, 6-liquid feeding rifle, 7-pressure gauge, 8-emergency stop button, 9-links up with, 10-mass flowmenter, and 11-controls cable, 12-input duct, 13-diffuse channel, 14-instrument wind pipeline, 15-return-air duct, 16-foundation.
Embodiment
embodiment 1
The present embodiment provides a kind of LNG liquid addition machine, structure is as Fig. 1, shown in Fig. 2, comprise casing 1, keyboard 2, electronic console 3, receipt prints outlet 4, vent hole 5, liquid feeding rifle 6, pressure gauge 7, emergency stop button 8, hook 9 and mass flowmenter 10, casing 1 is the cube-shaped structure vertically installed, casing 1 comprises two working surfaces, two working surfaces are two adjacent sides, be respectively work front and work side, work front is provided with keyboard 2, electronic console 3 and receipt print outlet 4, the upper and lower end edge of work side is respectively equipped with a pair vent hole 5, pressure gauge 7 is provided with in region between upper and lower end vent hole, emergency stop button 8, hook 9 and liquid feeding rifle 6, the horizontal position of hook 9 is higher than liquid feeding rifle 6,
Liquid feeding rifle 6 is arranged on liquid feeding gun platform, liquid feeding rifle 6 is by liquid-feeding tube quality of connection flowmeter 10, the other end of mass flowmenter 10 connects input duct 12, and the connection interface place connecing input duct 12 and mass flowmenter 10 is provided with Pull breaking ualve, liquid feeding rifle 6 is other is provided with return-air rifle, return-air rifle connects vacuum box by muffler, vacuum box is connected with return-air duct 15, and return-air duct 15 and vacuum box connection interface place are provided with safety check, vacuum box is connected by flexible pipe with mass flowmenter 10, and flexible pipe is provided with safety valve;
The foundation 16 that input duct 12 and return-air duct 15 are all imbedded below casing 1 carries out external, and is also provided with control cable 11, diffuse channel 13 and instrument wind pipeline 14 below casing 1.
The specification of aforementioned liquid feeding rifle 6 is working pressure 1.6Mpa; Pull breaking ualve pull-off force under working pressure is 400N; Liquid-feeding tube and muffler are metallic hose, and its specification is working pressure 1.6Mpa.
The pressure limiting of the present embodiment LNG liquid addition machine filling process is accurate, due in fueling process, when liquid is in flexible pipe, when flowing into steel cylinder by rifle valve, will form convergent jet pipe jet; According to fluid constant enthalpy flow principles in jet pipe, through the experiment at scene, successfully achieve in fueling process, the pressure in steel cylinder is calculated in real time, thus reach the object of accurate pressure limiting.
embodiment 2
The present embodiment provides a kind of operating method of LNG liquid addition machine, and concrete steps are as follows:
A, to check whether each joint has abnormal loosening, checks liquid entering hole, whether circulation port valve be all in opening state, touch operating grip, check whether jam phenomenon, then passed into LNG Liquefied natural gas, checked whether to there is leakage phenomenon, liquid filler power-on self-test, confirms inerrancy prompting;
Before B, liquid feeding, guarantee that liquid feeding rifle port does not have pressure, liquid feeding rifle is vertically turned back to gun platform, confirm that rifle and gun platform are without frosting, impurity;
C, " precooling " key pressed on liquid filler keyboard, start precooling, after liquid filler is chilled to setting temperature in advance, automatically completes precooling;
D, liquid feeding rifle is connected to car bottle graft mouth, keypad " liquid feeding " key, as too high in car bottle pressure, should return-air rifle be connected, automatic stopping after liquid feeding completes.
E, when annotating complete, by liquid feeding gun handle upward, properly to preserve.
Above embodiment is only and technological thought of the present invention is described, can not limit protection scope of the present invention with this, and every technological thought proposed according to the present invention, any change that technological scheme basis is done, all falls within scope.
Claims (5)
1. a LNG liquid addition machine, comprise casing (1), keyboard (2), electronic console (3), receipt printing outlet (4), vent hole (5), liquid feeding rifle (6), pressure gauge (7), emergency stop button (8), hook (9) and mass flowmenter (10), it is characterized in that:
Described casing (1) is the cube-shaped structure vertically installed, described casing (1) comprises two working surfaces, described two working surfaces are two adjacent sides, be respectively work front and work side, described work front is provided with keyboard (2), electronic console (3) and receipt print outlet (4), the upper and lower end edge of described work side is respectively equipped with a pair vent hole (5), pressure gauge (7) is provided with in region between upper and lower end vent hole, emergency stop button (8), hook (9) and liquid feeding rifle (6), the horizontal position of described hook (9) is higher than liquid feeding rifle (6),
Described liquid feeding rifle (6) is arranged on liquid feeding gun platform, described liquid feeding rifle (6) is by liquid-feeding tube quality of connection flowmeter (10), the other end of described mass flowmenter (10) connects input duct (12), and the connection interface place connecing input duct (12) and mass flowmenter (10) is provided with Pull breaking ualve, described liquid feeding rifle (6) is other is provided with return-air rifle, described return-air rifle connects vacuum box by muffler, described vacuum box is connected with return-air duct (15), and return-air duct (15) and vacuum box connection interface place are provided with safety check, described vacuum box is connected by flexible pipe with mass flowmenter (10), and described flexible pipe is provided with safety valve,
The foundation (16) that casing (1) below all imbedded by described input duct (12) and return-air duct (15) carries out external, and casing (1) below is also provided with control cable (11), diffuse channel (13) and instrument wind pipeline (14).
2. LNG liquid addition machine according to claim 1, is characterized in that, the specification of described liquid feeding rifle (6) is working pressure 1.6-6.4Mpa.
3. LNG liquid addition machine according to claim 1, is characterized in that, described Pull breaking ualve pull-off force under working pressure is 400-600N.
4. LNG liquid addition machine according to claim 1, is characterized in that, described liquid-feeding tube and muffler are metallic hose, and its specification is working pressure 1.6Mpa.
5., based on the operating method of the LNG liquid addition machine described in the arbitrary claim of claim 1-4, it is characterized in that, concrete steps are as follows:
A, to check whether each joint has abnormal loosening, checks liquid entering hole, whether circulation port valve be all in opening state, touch operating grip, check whether jam phenomenon, then passed into LNG Liquefied natural gas, checked whether to there is leakage phenomenon, liquid filler power-on self-test, confirms inerrancy prompting;
Before B, liquid feeding, guarantee that liquid feeding rifle port does not have pressure, liquid feeding rifle is vertically turned back to gun platform, confirm that rifle and gun platform are without frosting, impurity;
C, " precooling " key pressed on liquid filler keyboard, start precooling, after liquid filler is chilled to setting temperature in advance, automatically completes precooling;
D, liquid feeding rifle is connected to car bottle graft mouth, keypad " liquid feeding " key, as too high in car bottle pressure, should return-air rifle be connected, automatic stopping after liquid feeding completes;
E, when annotating complete, by liquid feeding gun handle upward, properly to preserve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510350948.4A CN104948905A (en) | 2015-06-23 | 2015-06-23 | LNG charging machine and operation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510350948.4A CN104948905A (en) | 2015-06-23 | 2015-06-23 | LNG charging machine and operation method thereof |
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| CN104948905A true CN104948905A (en) | 2015-09-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510350948.4A Pending CN104948905A (en) | 2015-06-23 | 2015-06-23 | LNG charging machine and operation method thereof |
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| CN (1) | CN104948905A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108426167A (en) * | 2018-05-09 | 2018-08-21 | 重庆厚海能源设备制造有限公司 | A kind of double metering filling machines based on single current gauge |
| CN117892247A (en) * | 2024-03-14 | 2024-04-16 | 山西国化能源有限责任公司 | Natural gas leakage detection system |
Citations (5)
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|---|---|---|---|---|
| JP2010105586A (en) * | 2008-10-31 | 2010-05-13 | Calsonic Kansei Corp | Air-conditioning system for lng automobile |
| WO2013056267A1 (en) * | 2011-10-12 | 2013-04-18 | Fluor Technologies Corporation | Configurations and methods of heating value control in lng liquefaction plant |
| CN203215272U (en) * | 2013-05-06 | 2013-09-25 | 四川中油天能科技有限公司 | LNG (liquefied natural gas) filling machine |
| CN204328453U (en) * | 2014-12-05 | 2015-05-13 | 成都润力电气有限公司 | A kind of LNG liquid addition machine |
| CN204879426U (en) * | 2015-06-23 | 2015-12-16 | 大丰市大昌燃气设备有限公司 | LNG liquid adding machine |
-
2015
- 2015-06-23 CN CN201510350948.4A patent/CN104948905A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010105586A (en) * | 2008-10-31 | 2010-05-13 | Calsonic Kansei Corp | Air-conditioning system for lng automobile |
| WO2013056267A1 (en) * | 2011-10-12 | 2013-04-18 | Fluor Technologies Corporation | Configurations and methods of heating value control in lng liquefaction plant |
| CN203215272U (en) * | 2013-05-06 | 2013-09-25 | 四川中油天能科技有限公司 | LNG (liquefied natural gas) filling machine |
| CN204328453U (en) * | 2014-12-05 | 2015-05-13 | 成都润力电气有限公司 | A kind of LNG liquid addition machine |
| CN204879426U (en) * | 2015-06-23 | 2015-12-16 | 大丰市大昌燃气设备有限公司 | LNG liquid adding machine |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108426167A (en) * | 2018-05-09 | 2018-08-21 | 重庆厚海能源设备制造有限公司 | A kind of double metering filling machines based on single current gauge |
| CN117892247A (en) * | 2024-03-14 | 2024-04-16 | 山西国化能源有限责任公司 | Natural gas leakage detection system |
| CN117892247B (en) * | 2024-03-14 | 2024-05-17 | 山西国化能源有限责任公司 | Natural gas leakage detection system |
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Application publication date: 20150930 |
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