CN107870062A - A kind of used in nuclear power station diaphragm type instrument calibration device - Google Patents
A kind of used in nuclear power station diaphragm type instrument calibration device Download PDFInfo
- Publication number
- CN107870062A CN107870062A CN201610851251.XA CN201610851251A CN107870062A CN 107870062 A CN107870062 A CN 107870062A CN 201610851251 A CN201610851251 A CN 201610851251A CN 107870062 A CN107870062 A CN 107870062A
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- CN
- China
- Prior art keywords
- diaphragm type
- type instrument
- nuclear power
- power station
- calibration device
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- 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.)
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L27/00—Testing or calibrating of apparatus for measuring fluid pressure
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The present invention relates to a kind of used in nuclear power station diaphragm type instrument calibration device, the device is used to connect diaphragm type instrument and pressurization instrument, described calibration equipment is convex structure, its center is provided with pressure transmission hole, described calibration equipment includes integrally formed jointing and flange base, described jointing is connected with pressurization instrument, described flange base with diaphragm type instrument, and described diaphragm type instrument is connected by pressure transmission hole with pressurization instrument.Compared with prior art, the present invention has the advantages that quick, efficient.
Description
Technical field
The present invention relates to a kind of instrument calibration device, more particularly, to a kind of used in nuclear power station diaphragm type instrument calibration device.
Background technology
Many diaphragm type instrument, including diaphragm pressure gage are equipped with nuclear power plant technique system at present, it is used indirectly
Measurement structure, barrier film are deformed under the effect of measured medium pressure, and sealing fluid is pressed, and forms the pressure equivalent to P, is passed
Manometer is directed at, shows measured medium pressure value.Greatly, easily crystallized suitable for measurement viscosity, the liquid that corrosivity is big, temperature is higher
The pressure of body, gas or granular solids medium, such a instrument need periodic check, and the verification mode taken at present is delivered to specially
Verification agency's calibrating of industry, costly, the time is grown, and influences the safe and stable operation of electric power station system.
The content of the invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide a kind of used in nuclear power station barrier film
Formula instrument calibration device, quick, efficient verifying to diaphragm type instrument.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of used in nuclear power station diaphragm type instrument calibration device, the device are used to connect diaphragm type instrument and pressurization instrument, institute
The calibration equipment stated is convex structure, and its center is provided with pressure transmission hole, and described calibration equipment includes integrally formed jointing
And flange base, described jointing are connected with pressurization instrument, described flange base with diaphragm type instrument, described barrier film
Formula instrument is connected by pressure transmission hole with pressurization instrument.
Described jointing includes external thread section, outer six sides section and the cylindrical section set gradually, described external thread section
It is connected with the joint for the instrument that pressurizes, described cylindrical section is connected with flange base.
Described external thread section is M20 external screw threads.
Described flange base is provided with the flange protrusion platform for sealing with diaphragm type instrument connection end.
The centre position of described flange protrusion platform is provided with pressure buffer area.
A diameter of 15mm in described pressure buffer area, depth 30mm, a diameter of 4mm of described pressure transmission hole.
Described flange base is provided with the bolt hole being connected with diaphragm type instrument.
Described bolt hole is provided with four, is evenly distributed on flange base.
Compared with prior art, it is of the invention.
1) applied widely, checking precision is high, and the flange protrusion platform of use substantially increases sealing, so as to further carry
High checking precision；
2) maintenance fund is saved, shortens maintenance time, the present invention is directly connected to diaphragm type instrument to be verified
Verification is completed, greatlys save checking time；
3) processing and fabricating cost is low, can Reusability.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the present invention looks up structural representation of the present invention.
Embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.The present embodiment is with technical solution of the present invention
Premised on implemented, give detailed embodiment and specific operating process, but protection scope of the present invention is not limited to
Following embodiments.
Embodiment
As depicted in figs. 1 and 2, a kind of used in nuclear power station diaphragm type instrument calibration device, this device use stainless steel material system
Make, be integral type Fa Lan screw thread conversion equipments, the device is used to connect diaphragm type instrument and pressurization instrument, described verification dress
Convex structure is set to, its center is provided with pressure transmission hole 3, and described calibration equipment includes integrally formed jointing 1 and flange bottom
Seat 2, described jointing 1 are connected with pressurization instrument, described flange base 2 with diaphragm type instrument, described diaphragm type instrument
Table is connected by pressure transmission hole 3 with pressurization instrument.
Described jointing 1 includes external thread section 11, outer six sides section 12 and the cylindrical section 13 set gradually, and described is outer
Thread segment 11 is connected with the joint for the instrument that pressurizes, and described cylindrical section 13 is connected with flange base.Described external thread section is M20
× 1.5mm, long 15mm external screw thread, for being attached with pressurization calibration equipment, outer six sides are machined with the middle part of joint, are conveniently made
Fastened with spanner.
Described flange base 2 is provided with the flange protrusion platform 21 for sealing with diaphragm type instrument connection end.Described method
The centre position of blue protrusion platform is provided with pressure buffer area 22, and cushioning effect is played in the output pressure conduction to the calibration equipment that pressurizes,
The pressure loss is avoided, and keeps stable, fluctuate.A diameter of 15mm in described pressure buffer area, depth 30mm, institute
The flange base stated is provided with the bolt hole being connected with diaphragm type instrument.Described bolt hole is provided with four, is evenly distributed on method
On blue base.
Whole device is drilled with a diameter of 4mm pressure transmission hole, and function is by the output pressure transmission for the calibration equipment that pressurizes
To on by school meter diaphragm.
Application method is as such as：
1. diaphragm type instrument is connected by four bolts and the flange base of the present apparatus, and add flange gasket
Piece；
2. jointing is connected with the joint for the calibration equipment that pressurizes；
3. with pressurization instrument (such as DPI610) pressurization, verified gauge pressure instruction rises at the 1/3 of full scale, kept
Pressure stability 1 minute, after checking No leakage, so that it may verified to diaphragm type instrument.
In Shandong, nuclear power is successfully completed using this device to nuclear island WLS systems, the diaphragm type instrument of the how individual systems of SRTF
Verifying work.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, various equivalent modifications can be readily occurred in or replaced
Change, these modifications or substitutions should be all included within the scope of the present invention.Therefore, protection scope of the present invention should be with right
It is required that protection domain be defined.
Claims (8)
1. a kind of used in nuclear power station diaphragm type instrument calibration device, the device is used to connect diaphragm type instrument and pressurization instrument, and it is special
Sign is that described calibration equipment is convex structure, and its center is provided with pressure transmission hole, and described calibration equipment includes integrally formed
Jointing and flange base, described jointing are connected with pressurization instrument, described flange base with diaphragm type instrument, institute
The diaphragm type instrument stated is connected by pressure transmission hole with pressurization instrument.
A kind of 2. used in nuclear power station diaphragm type instrument calibration device according to claim 1, it is characterised in that described connection
Joint includes external thread section, outer six sides section and the cylindrical section set gradually, and the joint of described external thread section and pressurization instrument connects
Connect, described cylindrical section is connected with flange base.
A kind of 3. used in nuclear power station diaphragm type instrument calibration device according to claim 2, it is characterised in that described outer spiral shell
Line section is M20 external screw threads.
A kind of 4. used in nuclear power station diaphragm type instrument calibration device according to claim 1, it is characterised in that described flange
Base is provided with the flange protrusion platform for sealing with diaphragm type instrument connection end.
A kind of 5. used in nuclear power station diaphragm type instrument calibration device according to claim 4, it is characterised in that described flange
The centre position of protrusion platform is provided with pressure buffer area.
A kind of 6. used in nuclear power station diaphragm type instrument calibration device according to claim 5, it is characterised in that described pressure
A diameter of 15mm of buffering area, depth 30mm, a diameter of 4mm of described pressure transmission hole.
A kind of 7. used in nuclear power station diaphragm type instrument calibration device according to claim 1, it is characterised in that described flange
Base is provided with the bolt hole being connected with diaphragm type instrument.
A kind of 8. used in nuclear power station diaphragm type instrument calibration device according to claim 7, it is characterised in that described bolt
Hole is provided with four, is evenly distributed on flange base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610851251.XA CN107870062A (en) | 2016-09-26 | 2016-09-26 | A kind of used in nuclear power station diaphragm type instrument calibration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610851251.XA CN107870062A (en) | 2016-09-26 | 2016-09-26 | A kind of used in nuclear power station diaphragm type instrument calibration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107870062A true CN107870062A (en) | 2018-04-03 |
Family
ID=61751862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610851251.XA Pending CN107870062A (en) | 2016-09-26 | 2016-09-26 | A kind of used in nuclear power station diaphragm type instrument calibration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107870062A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109244718A (en) * | 2018-08-02 | 2019-01-18 | 哈尔滨工程大学 | A kind of watertight connector of diaphragm pressure balance |
| CN114061830A (en) * | 2021-10-18 | 2022-02-18 | 中国神华煤制油化工有限公司 | Instrument check joint and pressure check platform |
-
2016
- 2016-09-26 CN CN201610851251.XA patent/CN107870062A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109244718A (en) * | 2018-08-02 | 2019-01-18 | 哈尔滨工程大学 | A kind of watertight connector of diaphragm pressure balance |
| CN114061830A (en) * | 2021-10-18 | 2022-02-18 | 中国神华煤制油化工有限公司 | Instrument check joint and pressure check platform |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180403 |
|
| WD01 | Invention patent application deemed withdrawn after publication |