CN104089739A - High-temperature liquid pressure correcting and measuring device - Google Patents
High-temperature liquid pressure correcting and measuring device Download PDFInfo
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- CN104089739A CN104089739A CN201410279131.8A CN201410279131A CN104089739A CN 104089739 A CN104089739 A CN 104089739A CN 201410279131 A CN201410279131 A CN 201410279131A CN 104089739 A CN104089739 A CN 104089739A
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- temperature
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- eliminating medium
- gas pipe
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Abstract
The invention relates to a high-temperature liquid pressure correcting and measuring device. A hollow bolt pipe connector (1) is connected with an external high-temperature gas source pipeline in a butt joint mode and connected with a high-temperature gas pipe inlet end (2). A pressure constant-temperature cavity (3) is arranged outside a high-temperature gas pipe in a surrounding mode. A cooling medium outlet pipeline (4) and a cooling medium inlet pipeline (6) are arranged on the pressure constant-temperature cavity (3) and connected with the pressure constant-temperature cavity (3). A low-temperature gas pipe outlet end (5) is connected with a temperature measuring device and a pressure measuring device. Pressure of high-temperature liquid is accurately and reliably measured, thermal load impact which is caused by high-temperature liquid to a test sensor is avoided, and the service life of the high-temperature pressure sensor is prolonged.
Description
Technical field
The invention belongs to and belong to high temperature fluid pressure testing system technical field, be specifically related to a kind of high temperature fluid pressure correction proving installation.
Background technology
Development of modern scientific technology requires the accuracy to DATA REASONING, in being engaged in the courses of work such as scientific research, test, more need institute's Study system data accurately to measure, the state parameter that wherein pressure data is most widely used as engineering, the accuracy of its measured value directly affects the accuracy of scientific research and test.To high temperature fluid is carried out in measuring process, because causing high temperature fluid interior microscopic molecular kinetic energy and potential energy, the inherent characteristics such as its temperature is high, mobility is large change acutely, the inequality that causes thus its internal pressure field changes, under hot environment, testing tube system high-temperature adaptability also corresponding proposition is strict with simultaneously.
The method adopting at present in transmitting transmission high temperature fluid test macro is that high temperature fluid is drained to independently pressure testing system with bifurcation approach, and middle connected mode adopts metal tubes to turn the heat-resisting pipeline form of rubber.Adopt above-mentioned measuring method more for convenience, and connecting line system is simple, but such test macro, because test macro itself need to keep certain space distance with hot environment, has so just caused test connecting line system pressure test lead and high temperature fluid shunting end to have longer distance.High temperature fluid after long pipe runs under effect of environmental temperature its high temperature constantly decline, and cause that thus test pressure and high temperature fluid true pressure exist certain error.In utilization, there is error test data to carry out the accuracy that system heat energy analytic process is difficult to guarantee result.
Summary of the invention
Problem to be solved by this invention is to provide a kind of high temperature fluid pressure correction proving installation, this device can meet high temperature fluid pressure correction proving installation and carry out near-end test at high temperature fluid annex, by carrying cooling system, to test pipeline, carry out cooling, be accurately to measure high temperature fluid pressure actual value simultaneously, adopt pressure compensating method, solution is by large with high-temperature fuel gas thermal load, present stage causes that adopting rubber pipeline to grow to carry out high-temperature fuel gas pressure survey after cooling apart from air the serious and high-temperature fuel gas of force value distortion causes and melts problems such as destroying reduction in serviceable life rubber pipeline thermal load.
The technical solution used in the present invention: a kind of high temperature fluid pressure correction proving installation, it comprises hollow bolt pipe adapter 1, high-temperature fuel gas pipe entrance point 2, low temperature Gas Pipe endpiece 5, comprise pressure constant temperature chamber 3, heat eliminating medium export pipeline 4, heat eliminating medium entrance pipe 6, wherein, hollow bolt pipe adapter 1 and outside high-temperature fuel gas source pipeline joint, hollow bolt pipe adapter 1 is connected with high-temperature fuel gas pipe entrance point 2, the outer peripheral of described high-temperature fuel gas pipe is provided with pressure constant temperature chamber 3, on pressure constant temperature chamber 3, be provided with heat eliminating medium export pipeline 4 and heat eliminating medium entrance pipe 6, wherein heat eliminating medium export pipeline 4 and heat eliminating medium entrance pipe 6 respectively with pressure constant temperature chamber 3, low temperature Gas Pipe endpiece 5 is connected with pressure test device with temperature testing device respectively.
High temperature fluid pressure correction proving installation of the present invention adopts refractory metal or engineering exotic material to make.
The present invention compared with prior art its beneficial effect is:
1. the present invention carries out near-end test at high temperature fluid annex, by carrying cooling system, to test pipeline, carry out cooling, be accurately to measure high temperature fluid pressure actual value simultaneously, adopt pressure compensating method, cooling medium inlet temperature and outlet temperature are measured, test variations in line pressure temperature variation being caused by data analysis is amounted to, and guarantees the consistance of reduced pressure and true pressure;
2. by a kind of its advantage of high temperature fluid pressure correction proving installation, be at high temperature fluid annex measuring point, reduce pipeline pressure and fall loss, with the cooling proving installation of pressure correction, form steady pressure distribution field, its cooling medium inlet outlet temperature stable state changes and carries out pressure compensation, guarantees test data true and accurate; As System Testing Pressure compensation, avoid high temperature fluid to impact the thermal load of testing sensor in addition simultaneously, extended high-temp pressure sensor serviceable life.
Accompanying drawing explanation
Fig. 1 is this structural representation of the present invention.
Embodiment
As shown in Figure 1, a kind of high temperature fluid pressure correction proving installation, it comprises hollow bolt pipe adapter 1, high-temperature fuel gas pipe entrance point 2, low temperature Gas Pipe endpiece 5, comprise pressure constant temperature chamber 3, heat eliminating medium export pipeline 4, heat eliminating medium entrance pipe 6, wherein this device one-piece construction material adopts refractory metal or other engineering exotic material, hollow bolt pipe adapter 1 and outside high-temperature fuel gas source pipeline joint, hollow bolt pipe adapter 1 is connected with high-temperature fuel gas pipe entrance point 2, the outside of described high-temperature fuel gas pipe is arranged with pressure constant temperature chamber 3 at distance high-temperature Gas Pipe entrance point 2 compared with short distance, on pressure constant temperature chamber 3, be provided with heat eliminating medium export pipeline 4 and heat eliminating medium entrance pipe 6, wherein heat eliminating medium export pipeline 4 and heat eliminating medium entrance pipe 6 respectively with pressure constant temperature chamber 3, low temperature Gas Pipe endpiece 5 is connected with pressure test device with temperature testing device respectively, in a little positions, can measure low temperature gaseous-pressure value P2 and low temperature fuel gas temperature value T2, at high-temperature fuel gas pipe entrance point, 2 places can directly obtain
, the principle of work of the correction proving installation of invention is to follow first law of thermodynamics steady flow open loop system principle design, and high-temperature fuel gas meets the Ideal-Gas Equation
, then to high-temperature fuel gas pipe entrance point 2 pressure
amount to calculate and ask.
Wherein, the inner method of heat eliminating medium stable-state flow that adopts in pressure constant temperature chamber 3 is carried out cooling to its internal temperature, to be heat eliminating medium enter the high-temperature fuel gas pipe entrance point 2 internal high temperature combustion gas of 3 pairs, pressure constant temperature chamber by heat eliminating medium entrance pipe 6 carries out after cooling being flowed out and being formed heat eliminating medium steady flow field by heat eliminating medium export pipeline 4, guarantees pressure constant temperature chamber 3 internal temperatures and pressure stability and meets test request.
Claims (2)
1. a high temperature fluid pressure correction proving installation, it comprises hollow bolt pipe adapter (1), high-temperature fuel gas pipe entrance point (2), low temperature Gas Pipe endpiece (5), it is characterized in that: comprise pressure constant temperature chamber (3), heat eliminating medium export pipeline (4), heat eliminating medium entrance pipe (6), wherein, hollow bolt pipe adapter (1) and outside high-temperature fuel gas source pipeline joint, hollow bolt pipe adapter (1) is connected with high-temperature fuel gas pipe entrance point (2), the outer peripheral of described high-temperature fuel gas pipe is provided with pressure constant temperature chamber (3), on pressure constant temperature chamber (3), be provided with heat eliminating medium export pipeline (4) and heat eliminating medium entrance pipe (6), wherein heat eliminating medium export pipeline (4) and heat eliminating medium entrance pipe (6) respectively with pressure constant temperature chamber (3), low temperature Gas Pipe endpiece (5) is connected with pressure test device with temperature testing device respectively.
2. a kind of high temperature fluid pressure correction proving installation according to claim 1, is characterized in that: this device adopts refractory metal or engineering exotic material to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410279131.8A CN104089739A (en) | 2014-06-22 | 2014-06-22 | High-temperature liquid pressure correcting and measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410279131.8A CN104089739A (en) | 2014-06-22 | 2014-06-22 | High-temperature liquid pressure correcting and measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104089739A true CN104089739A (en) | 2014-10-08 |
Family
ID=51637477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410279131.8A Pending CN104089739A (en) | 2014-06-22 | 2014-06-22 | High-temperature liquid pressure correcting and measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104089739A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104457358A (en) * | 2014-12-11 | 2015-03-25 | 中国航天空气动力技术研究院 | High temperature heat pipe cavity real-time pressure measurement system based on a u-shaped pipe |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1210258A (en) * | 1997-08-14 | 1999-03-10 | 亚瑞亚·勃朗勃威力有限公司 | Pressure tester |
| CN102012297A (en) * | 2010-11-23 | 2011-04-13 | 上海工程技术大学 | Pressure measuring device and method for high temperature medium |
| CN103398815A (en) * | 2013-08-01 | 2013-11-20 | 哈尔滨东安发动机（集团）有限公司 | Pressure probe |
| CN103487101A (en) * | 2013-09-24 | 2014-01-01 | 中国北方发动机研究所(天津) | Laboratory diesel consumption measuring and controlling system |
| CN203561474U (en) * | 2013-11-18 | 2014-04-23 | 国核（北京）科学技术研究院有限公司 | Pressure measurement apparatus and pressure measurement assembly |
| CN203616038U (en) * | 2013-12-05 | 2014-05-28 | 明信德诚环境科技无锡有限公司 | Pressure measuring device for high-temperature pressure vessel |
-
2014
- 2014-06-22 CN CN201410279131.8A patent/CN104089739A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1210258A (en) * | 1997-08-14 | 1999-03-10 | 亚瑞亚·勃朗勃威力有限公司 | Pressure tester |
| CN102012297A (en) * | 2010-11-23 | 2011-04-13 | 上海工程技术大学 | Pressure measuring device and method for high temperature medium |
| CN103398815A (en) * | 2013-08-01 | 2013-11-20 | 哈尔滨东安发动机（集团）有限公司 | Pressure probe |
| CN103487101A (en) * | 2013-09-24 | 2014-01-01 | 中国北方发动机研究所(天津) | Laboratory diesel consumption measuring and controlling system |
| CN203561474U (en) * | 2013-11-18 | 2014-04-23 | 国核（北京）科学技术研究院有限公司 | Pressure measurement apparatus and pressure measurement assembly |
| CN203616038U (en) * | 2013-12-05 | 2014-05-28 | 明信德诚环境科技无锡有限公司 | Pressure measuring device for high-temperature pressure vessel |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104457358A (en) * | 2014-12-11 | 2015-03-25 | 中国航天空气动力技术研究院 | High temperature heat pipe cavity real-time pressure measurement system based on a u-shaped pipe |
| CN104457358B (en) * | 2014-12-11 | 2016-10-12 | 中国航天空气动力技术研究院 | High-temperature heat pipe cavity pressure real-time measurement system based on U-tube |
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| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20141008 |