CN205826004U - A kind of low temperature cylinder Daily boil-off-rate measures system - Google Patents
A kind of low temperature cylinder Daily boil-off-rate measures system Download PDFInfo
- Publication number
- CN205826004U CN205826004U CN201620829578.2U CN201620829578U CN205826004U CN 205826004 U CN205826004 U CN 205826004U CN 201620829578 U CN201620829578 U CN 201620829578U CN 205826004 U CN205826004 U CN 205826004U
- Authority
- CN
- China
- Prior art keywords
- low temperature
- temperature cylinder
- escape pipe
- data acquisition
- rate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Measuring And Recording Apparatus For Diagnosis (AREA)
Abstract
The utility model discloses a kind of low temperature cylinder Daily boil-off-rate and measure system, including low temperature cylinder and computer, the top of described computer is provided with data acquisition unit, the left and right sides, top of described low temperature cylinder extends through connection air inlet pipe and escape pipe, the outer wall left end of described escape pipe is provided with valve, the right side of described valve is provided with temperature sensor, and the cross section of described escape pipe is provided with effusion meter, and the right-hand member of described low temperature cylinder is provided with thermometer.This low temperature cylinder Daily boil-off-rate measures system, by thermometer, temperature sensor and the cooperation of effusion meter, data acquisition sends, with data on flows, the temperature that thermometer, temperature sensor and effusion meter collect to computer, evaporation rate curve is gone out, to analyze evaporation rate Changing Pattern over time by computer drawing.
Description
Technical field
This utility model relates to measurement apparatus technical field, is specially a kind of low temperature cylinder Daily boil-off-rate and measures system.
Background technology
Along with the popularization of China's clean energy resource, LNG used instead by increasing automobile just has as fuel, dispatching from the factory of even having
The vehicle of LNG version, and the vehicle that substantial amounts of LNG gas cylinder is run around here and there is with running chaotically everywhere, to the people's lives and property band
Carry out potential threat, therefore, in time these mounted temperature gas cylinders are carried out periodic inspection detection and just seems particularly necessary, and day steams
The rate of sending out is a very important test event in low temperature cylinder inspection.
Utility model content
The purpose of this utility model is to provide a kind of low temperature cylinder Daily boil-off-rate to measure system, to solve above-mentioned background skill
The problem proposed in art.
For achieving the above object, this utility model provides following technical scheme: a kind of low temperature cylinder Daily boil-off-rate measures system
System, including low temperature cylinder and computer, the top of described computer is provided with data acquisition unit, described data acquisition unit and computer
Being electrically connected with, the left and right sides, top of described low temperature cylinder extends through connection air inlet pipe and escape pipe, described escape pipe
Outer wall left end is provided with valve, and the right side of described valve is provided with temperature sensor, described temperature sensor and data acquisition unit electricity
Property connect, the cross section of described escape pipe is provided with effusion meter, and described effusion meter and data acquisition unit are electrically connected with, described low temperature cylinder
Right-hand member thermometer is installed, described thermometer is electrically connected with data acquisition unit.
Preferably, the outside of described temperature sensor is provided with laminating apparatus, and described laminating apparatus includes placement rack, described in put
The bottom putting seat is connected with fixed cover, and the top of described placement rack is provided with rubber blanket, and the upper surface of described rubber blanket is provided with
Heat insulating mattress, the upper surface of described heat insulating mattress is closely fitted with bottom, and the upper surface of described bottom is closely fitted with reflector layer, described
The left and right sides of rubber blanket is equipped with lacing jacket.
Preferably, the bottom of described thermometer is provided with fixing device, and described fixing device includes fixing seat, described fixing seat
Two ends up and down be equipped with installation foot, the inside of described fixing seat is provided with slot, and the right-hand member of described fixing seat is provided with supporting plate.
Preferably, the right-hand member of described escape pipe is provided with adjustable pipe, and described adjustable pipe is connected with escape pipe by soft connected set.
Preferably, the top, front of described low temperature cylinder is provided with gas vent.
Compared with prior art, the beneficial effects of the utility model are: this low temperature cylinder Daily boil-off-rate measures system, passes through
The cooperation of thermometer, temperature sensor and effusion meter, the temperature that thermometer, temperature sensor and effusion meter are collected by data acquisition
Degree sends computer to data on flows, and the computer utility equation of gas state is converted to state of temperature during liquid nitrogen vaporization
Under data, instantaneous discharge relation formula i.e. can get the gaseous mass of certain time to the integration of time, and in low temperature cylinder
The mass values of contained liquid nitrogen, goes out evaporation rate curve by computer drawing, to analyze evaporation rate change rule over time
Rule.
Accompanying drawing explanation
Fig. 1 is this utility model structural representation；
Fig. 2 is laminating apparatus structural representation of the present utility model；
Fig. 3 is fixture structure schematic diagram of the present utility model；
Fig. 4 is theory diagram of the present utility model.
In figure: 1, air inlet pipe, 2, escape pipe, 3, valve, 4, temperature sensor, 5, effusion meter, 6, low temperature cylinder, 7, venting
Mouthful, 8, data acquisition unit, 9, thermometer, 10, fixing device, 101, slot, 102, fixing seat, 103, installation foot, 104, supporting plate,
11, computer, 12, laminating apparatus, 121, lacing jacket, 122, reflector layer, 123, bottom, 124, heat insulating mattress, 125, rubber blanket,
126, placement rack, 127, fixed cover, 13, adjustable pipe, 14, soft connected set.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under making creative work premise
The every other embodiment obtained, broadly falls into the scope of this utility model protection.
Referring to Fig. 1-4, this utility model provides a kind of technical scheme: a kind of low temperature cylinder Daily boil-off-rate measures system,
Including low temperature cylinder 6 and computer 11, the top, front of described low temperature cylinder 6 is provided with gas vent 7, the top of described computer 11
It is provided with data acquisition unit 8, by data acquisition unit 8, the gas that low temperature cylinder 6 discharges is carried out the collection of temperature and flow, described
Data acquisition unit 8 is electrically connected with computer 11, and the left and right sides, top of described low temperature cylinder 6 extends through connection air inlet pipe
1 and escape pipe 2, the right-hand member of described escape pipe 2 is provided with adjustable pipe 13, and described adjustable pipe 13 is by soft connected set 14 and escape pipe 2 phase
Even, direction when facilitating gas to spray by the cooperation of soft connected set 14 and adjustable pipe 13 is adjusted, the outer wall of described escape pipe 2
Left end is provided with valve 3, and the right side of described valve 3 is provided with temperature sensor 4, by arranging temperature sensor 4 to escape pipe 2
Temperature measures collection, and described temperature sensor 4 is electrically connected with data acquisition unit 8, and the outside of described temperature sensor 4 sets
There is laminating apparatus 12, be that temperature sensor 4 is fitted tightly on escape pipe 2 by arranging laminating apparatus 12, avoid the external world simultaneously
Temperature affects temperature sensor 4 and impacts the temperature acquisition of escape pipe 2, and described laminating apparatus 12 includes placement rack 126, institute
The bottom stating placement rack 126 is connected with fixed cover 127, and the top of described placement rack 126 is provided with rubber blanket 125, described rubber
The upper surface of rubber cushion 125 is provided with heat insulating mattress 124, and the upper surface of described heat insulating mattress 124 is closely fitted with bottom 123, described bottom
The upper surface of 123 is closely fitted with reflector layer 122, and the left and right sides of described rubber blanket 125 is equipped with lacing jacket 121, described in go out
The cross section of trachea 2 is provided with effusion meter 5, and described effusion meter 5 is electrically connected with data acquisition unit 8, the right-hand member peace of described low temperature cylinder 6
Equipped with thermometer 9, described thermometer 9 is electrically connected with data acquisition unit 8, and the bottom of described thermometer 9 is provided with fixing device 10,
Making thermometer 9 be fixed on the outer wall of low temperature cylinder 6 by arranging fixing device 10, described fixing device 10 includes fixing seat 102,
The two ends up and down of described fixing seat 102 are equipped with installation foot 103, and the inside of described fixing seat 102 is provided with slot 101, described solid
The right-hand member of reservation 102 is provided with supporting plate 104.
Low temperature cylinder 6 is filled with the liquid nitrogen of certain volume normally, owing to bottle being liquid nitrogen, therefore at a temperature below-
195.8 DEG C, there is the temperature difference of more than 200 degree in ambient temperature, therefore the medium within low temperature cylinder 6 is bound to from environment absorb heat,
And absorb the liquid nitrogen of outside heat, it may appear that and the phenomenon of vaporization, open valve 3, along with the formation of low temperature cylinder 6 interior evaporation
The meeting of nitrogen forms certain pressure in bottle, will be gone directly effusion meter 5 by escape pipe 2, and nitrogen is through the heel row of effusion meter 5
Entering air, and thermometer 9 is measured by the nitrogen temperature overflowed in gas low-temperature bottle 6, and send data acquisition unit 8 to, flow 5 will
The data on flows measured sends data acquisition unit 8 to, and temperature sensor 4 also the ambient temperature of escape pipe 2 can send data acquisition to
Storage 8, data acquisition 8 sends, with data on flows, the temperature collected to computer 11, and computer 11, should when calculated flow rate
The data being converted under state of temperature during liquid nitrogen vaporization with the equation of gas state, instantaneous discharge relation formula is to the time
Integration i.e. can get the gaseous mass of certain time, and with the mass values of contained liquid nitrogen in low temperature cylinder 6, unit of time uses
It calculates, and is the value of Daily boil-off-rate.
Embodiment the most of the present utility model, for the ordinary skill in the art,
It is appreciated that in the case of without departing from principle of the present utility model and spirit and these embodiments can be carried out multiple change, repair
Changing, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. low temperature cylinder Daily boil-off-rate measures a system, including low temperature cylinder and computer, it is characterised in that: described computer
Top be provided with data acquisition unit, described data acquisition unit is electrically connected with computer, about the top of described low temperature cylinder two
Side extends through connection air inlet pipe and escape pipe, and the outer wall left end of described escape pipe is provided with valve, the right side of described valve
Being provided with temperature sensor, described temperature sensor is electrically connected with data acquisition unit, and the cross section of described escape pipe is provided with effusion meter,
Described effusion meter is electrically connected with data acquisition unit, and the right-hand member of described low temperature cylinder is provided with thermometer, described thermometer and number
It is electrically connected with according to harvester.
A kind of low temperature cylinder Daily boil-off-rate the most according to claim 1 measures system, it is characterised in that: described temperature sensing
The outside of device is provided with laminating apparatus, and described laminating apparatus includes that placement rack, the bottom of described placement rack are connected with fixed cover,
The top of described placement rack is provided with rubber blanket, and the upper surface of described rubber blanket is provided with heat insulating mattress, and the upper surface of described heat insulating mattress is tight
The close bottom that is fitted with, the upper surface of described bottom is closely fitted with reflector layer, and the left and right sides of described rubber blanket is equipped with tightens
Set.
A kind of low temperature cylinder Daily boil-off-rate the most according to claim 1 measures system, it is characterised in that: described thermometer
Bottom is provided with fixing device, and described fixing device includes fixing seat, and the two ends up and down of described fixing seat are equipped with installation foot, described
The inside of fixing seat is provided with slot, and the right-hand member of described fixing seat is provided with supporting plate.
A kind of low temperature cylinder Daily boil-off-rate the most according to claim 1 measures system, it is characterised in that: described escape pipe
Right-hand member is provided with adjustable pipe, and described adjustable pipe is connected with escape pipe by soft connected set.
A kind of low temperature cylinder Daily boil-off-rate the most according to claim 1 measures system, it is characterised in that: described low temperature cylinder
Top, front be provided with gas vent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620829578.2U CN205826004U (en) | 2016-07-31 | 2016-07-31 | A kind of low temperature cylinder Daily boil-off-rate measures system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620829578.2U CN205826004U (en) | 2016-07-31 | 2016-07-31 | A kind of low temperature cylinder Daily boil-off-rate measures system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205826004U true CN205826004U (en) | 2016-12-21 |
Family
ID=57556959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620829578.2U Expired - Fee Related CN205826004U (en) | 2016-07-31 | 2016-07-31 | A kind of low temperature cylinder Daily boil-off-rate measures system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205826004U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108534820A (en) * | 2018-03-27 | 2018-09-14 | 大连理工大学 | A kind of cryogenic liquid tank container dynamic evaporation rate measurement method |
| CN113281376A (en) * | 2021-04-22 | 2021-08-20 | 浙江大学 | Device and method for measuring deep low-temperature heat leakage rate of material |
-
2016
- 2016-07-31 CN CN201620829578.2U patent/CN205826004U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108534820A (en) * | 2018-03-27 | 2018-09-14 | 大连理工大学 | A kind of cryogenic liquid tank container dynamic evaporation rate measurement method |
| CN108534820B (en) * | 2018-03-27 | 2020-04-07 | 大连理工大学 | Method for measuring dynamic evaporation rate of cryogenic liquid tank container |
| CN113281376A (en) * | 2021-04-22 | 2021-08-20 | 浙江大学 | Device and method for measuring deep low-temperature heat leakage rate of material |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205826004U (en) | A kind of low temperature cylinder Daily boil-off-rate measures system | |
| CN106628698A (en) | Underground double-layered oil tank and preparation method thereof | |
| CN106840952B (en) | Method for detecting heat insulation performance of vehicle-mounted LNG (liquefied Natural gas) cylinder | |
| CN105372909B (en) | Refrigeration camera with antifogging function | |
| CN111624226B (en) | Wall body thermal insulation performance detection device based on architectural design | |
| CN109578809A (en) | A kind of leakage monitor applied to hydrogen-feeding system | |
| CN102539474B (en) | Device and method for testing adsorption performance of wholly shaped solar refrigerating adsorbent | |
| CN102305665B (en) | High-temperature high-vacuum temperature measuring device | |
| CN110542017B (en) | Pressure detection device for hydrogenation station | |
| CN209055182U (en) | Improve the protective device of ultrasonic measurement tank fill level accuracy | |
| CN102954820B (en) | A kind of liquid level measurement system for low-temperature heat-insulation storage tank | |
| CN202614559U (en) | Heat-preserving sampling device for coal gas | |
| CN201892587U (en) | Electronic wireless remote-transmission heat energy distribution meter | |
| CN202420582U (en) | Weighing type fuel oil consumption instrument | |
| CN105344537B (en) | A kind of shower nozzle for product waterproof property detection | |
| CN104466737A (en) | Container type box body structure for energy storage power station | |
| CN107246932A (en) | Low-power consumption pressure transmitter control system | |
| CN209462072U (en) | A kind of power supply architecture of detection device | |
| CN207198131U (en) | One kind sterilization constant temperature food inspection device | |
| CN205157953U (en) | Refrigeration camera with prevent condensation function | |
| CN204718918U (en) | The measurement mechanism of the air content in a kind of liquid coolant of engine | |
| CN206138771U (en) | Energy -saving rectifying column of easily installing | |
| CN206476776U (en) | A kind of water still of the convenient control of energy-saving safety | |
| CN206441321U (en) | A kind of fuel gas leak detection apparatus of pullout type | |
| CN206032273U (en) | 3D marks jar |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161221 Termination date: 20170731 |