CN205981498U - Cryogenic insulation pipeline heat leakage measures on - line measuring device - Google Patents
Cryogenic insulation pipeline heat leakage measures on - line measuring device Download PDFInfo
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- CN205981498U CN205981498U CN201621033584.3U CN201621033584U CN205981498U CN 205981498 U CN205981498 U CN 205981498U CN 201621033584 U CN201621033584 U CN 201621033584U CN 205981498 U CN205981498 U CN 205981498U
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- heat
- flow meter
- pipeline
- test
- heat flow
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Abstract
The utility model provides a cryogenic insulation pipeline heat leakage measures on - line measuring device, the utility model relates to a low temperature pipeline measuring device technical field, it contains test unit and accuse temperature unit, accuse temperature unit constitute by water bath with thermostatic control and constant temperature water jacket, the water bath with thermostatic control is connected with constant temperature water jacket, the test unit constitute by heat flow meter and heat flow meter probe, several heat flow meter probe connection is on the heat flow meter, constant temperature water jacket cover establish and is being surveyed the outer wall of low temperature pipeline, side subsides of heat flow meter probe establish on being surveyed the outer pipe wall of low temperature pipeline, the another side subsides of heat flow meter probe are simultaneously established on constant temperature water jacket's interior pipe wall. Adopting hot flow test, satisfying online heat leakage the measuration volume requirement of pipeline on the pipeline, guarantee that heat leakage volume test result precision is higher, can improve the test accuracy with external environment condition influence shielding, the practicality is stronger.
Description
Technical field
This utility model is related to cryogenic piping measurement apparatus technical field and in particular to a kind of Cryo Heat Insulation pipeline leaking heat
On-line measurement device.
Background technology
Cryo Heat Insulation pipeline delivered inside is cryogenic liquid, and therefore heat-insulating property is its important performance parameter, engineering
In we generally carry out the sign of heat-insulating property using this parameter of leaking heat to it.At present, the leaking heat of Cryo Heat Insulation pipeline
The method that measurement adopts has two kinds：One kind is effusion meter method, and one kind is surface temperature method.Wherein, effusion meter method requires pipeline to want
Disassemble from pipeline and could meet test condition, this test cannot meet with pipeline under conditions of not quitting work
Carry out leaking heat in X -ray inspection X；Surface temperature method will be subject to pipe surface temperature and ambient temperature due to its temperature probe simultaneously
Both sides impact, therefore measuring accuracy is not high.More most of all, both approaches all do not account for residing for actual pipeline
The impact to test for the environment：Due to being all mounted in open air with pipeline, therefore its surface temperature can be subject to the very big of environment
Impact, such as, ambient temperature, intensity of solar radiation, wind-force etc. are very big to the effect of pipe surface temperature, if having in test process
The effect of these factors, the accuracy of test result will be unable to ensure it would be highly desirable to improve.
Utility model content
The purpose of this utility model is the defect and deficiency for prior art, provides a kind of structure simple, design is closed
Reason, Cryo Heat Insulation pipeline leaking heat on-line measurement device easy to use, using heat flow test, meet pipeline on pipeline
External environment influence, it is ensured that leaking heat test result precision is higher, can be shielded by online leaking heat measurement requirement, improves test accurate
Really property, practicality is higher.
For achieving the above object, the technical solution adopted in the utility model is：It comprises test cell and control temperature unit；Institute
The control temperature unit stated is made up of water bath with thermostatic control and thermostatic water-jacket；Water bath with thermostatic control is connected with thermostatic water-jacket；Described test cell by
Heat-flow meter and heat-flow meter probe are constituted；Several heat-flow meter probes are connected on heat-flow meter；Described thermostatic water-jacket is set in tested
The outer wall of cryogenic piping；The one side of described heat-flow meter probe is sticked on the outer tube wall of tested cryogenic piping, hot-fluid simultaneously
The another side of meter probe is sticked on the inner tubal wall of thermostatic water-jacket.
Operation principle of the present utility model：The water of the temperature constant producing in water bath with thermostatic control is transported in thermostatic water-jacket,
Thermostatic water-jacket is assemblied on tested cryogenic piping, and thermostatic water-jacket provides the external testing environment of constant temperature for tested cryogenic piping, with
When thermostatic water-jacket in water absorb in tested cryogenic piping the cold of release and outside quilt after the heat of atmospheric environment
Again it is transmitted back in water bath with thermostatic control and carries out constant temperature process, meet online leaking heat measurement requirement on pipeline for the pipeline；Heat-flow meter
Probe is fixed on tested cryogenic piping, the outer surface of the tested cryogenic piping of side laminating of heat-flow meter probe, and heat-flow meter is popped one's head in
Opposite side fit thermostatic water-jacket inner surface, when carrying out heat flux measurement, heat-flow meter probe test result is exported heat-flow meter；
The impact of external environment condition (solar radiation, environmental temperature fluctuation, wind direction etc.) is masked, improves test accuracy.
After said structure, this utility model has the beneficial effect that：A kind of Cryo Heat Insulation pipeline described in the utility model
Leaking heat on-line measurement device, using heat flow test, meets online leaking heat measurement requirement on pipeline for the pipeline it is ensured that leaking
Heat amount test result precision is higher, can shield external environment influence, improves test accuracy, and practicality is higher, and this practicality is new
It is simple that type has a structure, setting rationally, the advantages of low manufacture cost.
Brief description
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or in description of the prior art the accompanying drawing of required use be briefly described it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, before not paying creative labor
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is test scheme of installation of the present utility model.
Description of reference numerals：
Tested cryogenic piping 1, adjacent channel 2, adpting flange 3, water bath with thermostatic control 4, thermostatic water-jacket 5, heat-flow meter probe 6, heat
Flowmeter 7.
Specific embodiment
Below in conjunction with the accompanying drawings this utility model is further described.
Referring to as shown in figure 1, this specific embodiment employed technical scheme comprise that：It comprises test cell and temperature control list
Unit；Described control temperature unit is made up of water bath with thermostatic control 4 and thermostatic water-jacket 5；Water bath with thermostatic control 4 pass through the entering of pipeline and thermostatic water-jacket 5,
Outlet connects；Described test cell is made up of heat-flow meter 7 and heat-flow meter probe 6；Several heat-flow meter probes 6 are connected to heat-flow meter
On 7；Described thermostatic water-jacket 5 is set in the outer wall of tested cryogenic piping 1, and the left and right end of tested cryogenic piping 1 is all passed through simultaneously
Adpting flange 3 is connected with adjacent channel 2；The one side of described heat-flow meter probe 6 is sticked in the outer tube wall of tested cryogenic piping 1
On, the another side of heat-flow meter probe 6 is sticked on the inner tubal wall of thermostatic water-jacket 5 simultaneously.
The operation principle of this specific embodiment：The water of the temperature constant producing in water bath with thermostatic control 4 is transported to thermostatted water
In set 5, thermostatic water-jacket 5 is assemblied on tested cryogenic piping 1, and thermostatic water-jacket 5 provides the outside survey of constant temperature for tested cryogenic piping 1
Test ring border, the water in thermostatic water-jacket 5 absorbs the cold discharging in tested cryogenic piping 1 and outside is derived from atmospheric environment simultaneously
Heat after be again transmitted back in water bath with thermostatic control 4 and carried out constant temperature process, meet online leaking heat measurement on pipeline for the pipeline
Require；Heat-flow meter probe 6 is fixed on tested cryogenic piping 1, outside the tested cryogenic piping 1 of side laminating of heat-flow meter probe 6
Surface, the inner surface of the opposite side laminating thermostatic water-jacket 5 of heat-flow meter probe 6, when carrying out heat flux measurement, heat-flow meter probe 6 will be surveyed
Test result exports heat-flow meter 7；The impact of external environment condition (solar radiation, environmental temperature fluctuation, wind direction etc.) is masked,
Improve test accuracy.
After said structure, this specific embodiment has the beneficial effect that：A kind of low temperature described in this specific embodiment
Insulated piping leaking heat on-line measurement device, using heat flow test, meeting online leaking heat measurement on pipeline for the pipeline will
Ask it is ensured that leaking heat test result precision is higher, external environment influence can be shielded, improve test accuracy, practicality is higher,
It is simple that this utility model has a structure, setting rationally, the advantages of low manufacture cost.
The above, only in order to the technical solution of the utility model is described and unrestricted, those of ordinary skill in the art couple
Other modifications or equivalent that the technical solution of the utility model is made, without departing from technical solutions of the utility model
Spirit and scope, all should cover in the middle of right of the present utility model.
Claims (1)
1. a kind of Cryo Heat Insulation pipeline leaking heat on-line measurement device it is characterised in that：It comprises test cell and control temperature unit；
Described control temperature unit is made up of water bath with thermostatic control and thermostatic water-jacket；Water bath with thermostatic control is connected with thermostatic water-jacket；Described test cell
It is made up of heat-flow meter and heat-flow meter probe；Several heat-flow meter probes are connected on heat-flow meter；Described thermostatic water-jacket be set in by
Survey the outer wall of cryogenic piping；The one side of described heat-flow meter probe is sticked on the outer tube wall of tested cryogenic piping, same to intermittent fever
The another side of flowmeter probe is sticked on the inner tubal wall of thermostatic water-jacket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621033584.3U CN205981498U (en) | 2016-08-26 | 2016-08-26 | Cryogenic insulation pipeline heat leakage measures on - line measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621033584.3U CN205981498U (en) | 2016-08-26 | 2016-08-26 | Cryogenic insulation pipeline heat leakage measures on - line measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205981498U true CN205981498U (en) | 2017-02-22 |
Family
ID=58039763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621033584.3U Expired - Fee Related CN205981498U (en) | 2016-08-26 | 2016-08-26 | Cryogenic insulation pipeline heat leakage measures on - line measuring device |
Country Status (1)
| Country | Link |
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| CN (1) | CN205981498U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107907321A (en) * | 2017-12-15 | 2018-04-13 | 江苏克劳特低温技术有限公司 | One kind leakage heat test device and its application method |
| CN110794894A (en) * | 2019-10-31 | 2020-02-14 | 中国原子能科学研究院 | Solid-state constant temperature device for controlling temperature of outer surface of calorimeter |
| CN113340472A (en) * | 2021-04-19 | 2021-09-03 | 国网上海市电力公司 | Method and device for measuring and calculating heat leakage of intermediate joint of superconducting cable |
-
2016
- 2016-08-26 CN CN201621033584.3U patent/CN205981498U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107907321A (en) * | 2017-12-15 | 2018-04-13 | 江苏克劳特低温技术有限公司 | One kind leakage heat test device and its application method |
| CN107907321B (en) * | 2017-12-15 | 2024-02-02 | 江苏克劳特低温技术有限公司 | Heat leakage testing device and using method thereof |
| CN110794894A (en) * | 2019-10-31 | 2020-02-14 | 中国原子能科学研究院 | Solid-state constant temperature device for controlling temperature of outer surface of calorimeter |
| CN113340472A (en) * | 2021-04-19 | 2021-09-03 | 国网上海市电力公司 | Method and device for measuring and calculating heat leakage of intermediate joint of superconducting cable |
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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 |
Granted publication date: 20170222 Termination date: 20170826 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |