CN109632180A - Isolating device for superhigh temperature pressure transmitter - Google Patents
Isolating device for superhigh temperature pressure transmitter Download PDFInfo
- Publication number
- CN109632180A CN109632180A CN201910012325.4A CN201910012325A CN109632180A CN 109632180 A CN109632180 A CN 109632180A CN 201910012325 A CN201910012325 A CN 201910012325A CN 109632180 A CN109632180 A CN 109632180A
- Authority
- CN
- China
- Prior art keywords
- flange
- liquid
- pressure transmitter
- connect
- capillary
- 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.)
- Pending
Links
- 239000007788 liquid Substances 0.000 claims abstract description 44
- 229910003251 Na K Inorganic materials 0.000 claims abstract description 6
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 6
- 239000000956 alloy Substances 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 2
- 238000002955 isolation Methods 0.000 abstract description 6
- 150000003839 salts Chemical class 0.000 abstract description 6
- 238000005259 measurement Methods 0.000 description 6
- 229920002545 silicone oil Polymers 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/06—Means for preventing overload or deleterious influence of the measured medium on the measuring device or vice versa
- G01L19/0681—Protection against excessive heat
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention discloses a kind of isolating devices for superhigh temperature pressure transmitter, wherein include: sensor connecting flange, connect and connected between liquid flange by support tube, it is described connect liquid flange and be covered with far from one end of the sensor connecting flange connect liquid film piece；One capillary both ends be projecting axially into the connecting flange, it is described connect liquid flange, the connecting flange, the liquid flange shaft that connects are also provided with through-hole upwards；The capillary midsection passes through the connecting tube；Connect with the liquid film piece that connects；Na-K alloy is filled in the capillary.The present invention is by sensor connecting flange and connecing support tube being arranged between liquid flange, and it is attached by the capillary filled with Na-K alloy, so as to the high temperature isolation module being applied in superhigh temperature pressure transmitter, the domestic not no pressure transmitter of the mature pressure transmitter for being used in molten salt reactor and fast reactor currently on the market is made up.
Description
Technical field
The present invention relates to a kind of isolating device more particularly to a kind of isolating devices for superhigh temperature pressure transmitter.
Background technique
High temperature pressure transmitter selects import high temperature resistant sensing element to be made, and uses between core and stainless steel casing
Laser welding process makes it fuse into one completely, inside fills silicone oil or other transfer media, it is ensured that transmitter is at high operating temperatures
Safe handling, it is heat-insulated with excellent material between the pressure core and amplifying circuit of transmitter, and added with radiator, it is internal
Fairlead filling high efficiency heat insulation material effectively prevents heat transfer, guarantees that amplification conversion circuit part works at ideal temperature.
High temperature pressure transmitter currently on the market, highest use environment is at 350 DEG C or so, the isolation of this kind of transmitter
Filling liquid is mostly silicone oil AN-140 and DC-705 etc., uses silicone oil for filling liquid pressure transmitter, is not to be able to satisfy user in height
Measurement of the temperature molten salt circuit to pressure.
Summary of the invention
The invention discloses a kind of isolating devices for superhigh temperature pressure transmitter, lack in the prior art to solve
Meet device of the high-temperature molten salt circuit to the measurement of pressure the problem of.
Above-mentioned purpose of the invention is achieved through the following technical solutions:
A kind of isolating device for superhigh temperature pressure transmitter, wherein include: sensor connecting flange, connect liquid flange
Between connected by support tube, it is described connect liquid flange and be covered with far from one end of the sensor connecting flange connect liquid film piece；One
Capillary both ends be projecting axially into the connecting flange, it is described connect liquid flange, the connecting flange, described to connect liquid flange axial
On be also provided with through-hole；The capillary midsection passes through the connecting tube；Connect with the liquid film piece that connects；It is filled in the capillary
Fill Na-K alloy.
The isolating device as described above for being used for superhigh temperature pressure transmitter, wherein the support tube includes: to be mounted on biography
Sensor support pipe on sensor flange is mounted on to connect and connects liquid support tube on liquid flange.
The isolating device as described above for being used for superhigh temperature pressure transmitter, wherein further include a bellows, the ripple
Pipe be welded on the sensor support pipe, it is described connect between liquid support tube, the capillary pass through the bellows.
The isolating device as described above for being used for superhigh temperature pressure transmitter, wherein the liquid flange that connects is far from the biography
The side of sensor connecting flange is welded with transit joint.
The as described above isolating device for being used for superhigh temperature pressure transmitter, wherein the sensor connecting flange, described
Capillary, it is described connect liquid film piece, the transit joint is all made of 316 stainless steels.
In conclusion by adopting the above-described technical solution, the present invention solves lacks satisfaction in high temperature in the prior art
The problem of fused salt circuit is to the device of the measurement of pressure, by sensor connecting flange and connecing to be arranged between liquid flange and supporting
Pipe, and be attached by the capillary filled with Na-K alloy, so as to the height being applied in superhigh temperature pressure transmitter
Warm isolation module makes up the domestic pressure of the mature pressure transmitter for being used in molten salt reactor and fast reactor change currently on the market
Send device.The transmitter of superhigh temperature, which is researched and developed, successfully provides solution to molten salt reactor and fast reactor measurement.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the present invention for the isolating device of superhigh temperature pressure transmitter.
Specific embodiment
The present invention is described further with reference to the accompanying drawings and examples:
Fig. 1 is structural schematic diagram of the present invention for the isolating device of superhigh temperature pressure transmitter, referring to Figure 1, a kind of
Isolating device for superhigh temperature pressure transmitter, wherein include: sensor connecting flange 1, connect and pass through branch between liquid flange 5
Stay tube connection, connects liquid flange 5 and is covered with far from one end of sensor connecting flange 1 and connect liquid film piece 7；One capillary, 9 both ends edge
It axially protrudes into connecting flange, connect liquid flange 5, connecting flange connects and is also provided with through-hole in 5 axial direction of liquid flange；It is worn in the middle part of capillary 9
Cross connecting tube；Connect with liquid film piece 7 is connect；Na-K alloy 8 is filled in capillary 9.
The high temperature of high temperature isolation module isolation measurement medium, due to pressure sensor block in the prior art and pressure inverting
Module is thermally sensitive element, is needed with isolation module to obtain higher measurement accuracy by high-temperature medium and pressure
Sensing module and pressure transmission module are isolated；High-temperature liquid state pressure medium is transmitted to pressure with the pressure loss small as far as possible
Sensing module.
Further, support tube includes: the sensor support pipe 2 being mounted on sensor flange, is mounted on and connects liquid flange 5
On connect liquid support tube 4.
It further, further include a bellows 3, bellows 3 is welded on sensor support pipe 2, connects between liquid support tube 4,
Capillary 9 passes through bellows 3.
Further, it connects liquid flange 5 and is welded with transit joint 6 far from the side of sensor connecting flange 1.
Further, sensor connecting flange 1, capillary 9, connect liquid film piece 7, transit joint 6 is all made of 316 stainless steels.
Specifically, the leakage of high-temperature medium in order to prevent, all-welded shape is used between each component part in the present invention
Formula.To reach better pressure transfer effect, using the structure of jacketed bellows 3 outside capillary 9.
The preferred embodiment of the present invention has been described in detail above.It should be appreciated that those skilled in the art without
It needs creative work or according to the present invention can conceive by software programming to make many modifications and variations.Therefore, all
Technician in the art passes through logic analysis, reasoning or limited on the basis of existing technology under this invention's idea
The available technical solution of experiment, all should be within the scope of protection determined by the claims.
Claims (5)
1. a kind of isolating device for superhigh temperature pressure transmitter characterized by comprising sensor connecting flange connects liquid
Connected between flange by support tube, it is described connect liquid flange and be covered with far from one end of the sensor connecting flange connect liquid film
Piece；One capillary both ends be projecting axially into the connecting flange, it is described connect liquid flange, the connecting flange described connects liquid method
Through-hole is also provided in blue axial direction；The capillary midsection passes through the connecting tube；Connect with the liquid film piece that connects；The capillary
Na-K alloy is filled in pipe.
2. the isolating device according to claim 1 for superhigh temperature pressure transmitter, which is characterized in that the support tube
Include: the sensor support pipe being mounted on sensor flange, be mounted on to connect and connect liquid support tube on liquid flange.
3. the isolating device according to claim 2 for superhigh temperature pressure transmitter, which is characterized in that further include a wave
Line pipe, the bellows-welding the sensor support pipe, it is described connect between liquid support tube, the capillary pass through the wave
Line pipe.
4. the isolating device according to claim 1 for superhigh temperature pressure transmitter, which is characterized in that described to connect liquid method
The blue side far from the sensor connecting flange is welded with transit joint.
5. the isolating device according to claim 4 for superhigh temperature pressure transmitter, which is characterized in that the sensor
Connecting flange, the capillary, it is described connect liquid film piece, the transit joint is all made of 316 stainless steels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910012325.4A CN109632180A (en) | 2019-01-07 | 2019-01-07 | Isolating device for superhigh temperature pressure transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910012325.4A CN109632180A (en) | 2019-01-07 | 2019-01-07 | Isolating device for superhigh temperature pressure transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109632180A true CN109632180A (en) | 2019-04-16 |
Family
ID=66058001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910012325.4A Pending CN109632180A (en) | 2019-01-07 | 2019-01-07 | Isolating device for superhigh temperature pressure transmitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109632180A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110646132A (en) * | 2019-10-08 | 2020-01-03 | 松诺盟科技有限公司 | Small-size high-temperature pressure transmitter |
| US11496828B2 (en) | 2019-09-12 | 2022-11-08 | Apple Inc. | Sensor drying pathway via capillary-induced pressure gradient |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2901271Y (en) * | 2006-06-14 | 2007-05-16 | 中国石油天然气集团公司 | Flange diaphragm sealed liquid level and pressure transmitter |
| CN103017974A (en) * | 2011-09-26 | 2013-04-03 | 上海洛丁森工业自动化设备有限公司 | Novel transmissible pressure and differential pressure transmitter for measuring pressure of ultrahigh temperature medium |
| CN203519233U (en) * | 2013-10-28 | 2014-04-02 | 重庆九天测控仪器制造有限公司 | Balanced type diaphragm sealed pressure transmitter |
| CN105352651A (en) * | 2015-12-04 | 2016-02-24 | 中国原子能科学研究院 | High-temperature-resistant corrosion-resistant anti-crystallization pressure and differential pressure transmitter isolation module |
| CN209525049U (en) * | 2019-01-07 | 2019-10-22 | 上海自动化仪表有限公司 | Isolating device for superhigh temperature pressure transmitter |
-
2019
- 2019-01-07 CN CN201910012325.4A patent/CN109632180A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2901271Y (en) * | 2006-06-14 | 2007-05-16 | 中国石油天然气集团公司 | Flange diaphragm sealed liquid level and pressure transmitter |
| CN103017974A (en) * | 2011-09-26 | 2013-04-03 | 上海洛丁森工业自动化设备有限公司 | Novel transmissible pressure and differential pressure transmitter for measuring pressure of ultrahigh temperature medium |
| CN203519233U (en) * | 2013-10-28 | 2014-04-02 | 重庆九天测控仪器制造有限公司 | Balanced type diaphragm sealed pressure transmitter |
| CN105352651A (en) * | 2015-12-04 | 2016-02-24 | 中国原子能科学研究院 | High-temperature-resistant corrosion-resistant anti-crystallization pressure and differential pressure transmitter isolation module |
| CN209525049U (en) * | 2019-01-07 | 2019-10-22 | 上海自动化仪表有限公司 | Isolating device for superhigh temperature pressure transmitter |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11496828B2 (en) | 2019-09-12 | 2022-11-08 | Apple Inc. | Sensor drying pathway via capillary-induced pressure gradient |
| CN110646132A (en) * | 2019-10-08 | 2020-01-03 | 松诺盟科技有限公司 | Small-size high-temperature pressure transmitter |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20220905 Address after: 102413 Beifang, Xinzhen, Fangshan District, Beijing Applicant after: CHINA INSTITUTE OF ATOMIC ENERGY Address before: Building 7, 191 Guangzhong West Road, Zhabei District, Shanghai 200072 Applicant before: SHANGHAI AUTOMATION INSTRUMENTATION Co.,Ltd. |