CN206786195U - A kind of stainless steel telescoping tube for tracer injection - Google Patents
A kind of stainless steel telescoping tube for tracer injection Download PDFInfo
- Publication number
- CN206786195U CN206786195U CN201720629231.8U CN201720629231U CN206786195U CN 206786195 U CN206786195 U CN 206786195U CN 201720629231 U CN201720629231 U CN 201720629231U CN 206786195 U CN206786195 U CN 206786195U
- Authority
- CN
- China
- Prior art keywords
- stainless steel
- tube
- tracer
- steel tube
- telescoping tube
- 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.)
- Active
Links
Landscapes
- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
It the utility model is related to a kind of stainless steel telescoping tube for tracer injection, including stainless steel tube I and stainless steel tube II, one end of the stainless steel tube I is provided with connector body, the stainless steel tube II is inserted in the connector body, and realized and be tightly connected by O-ring, pressure ring and connector lid, the end that stainless steel tube I and stainless steel tube II are located remotely from each other is respectively equipped with end flanges, and the end flanges realize the quick connection with tracer generator and airduct tracer inlet respectively.The utility model ensure that smooth, the safety of high efficiency particulate air filter and iodine adsorber field test are carried out, and the trunking loss to tracer is reduced while tracer injection sealing No leakage is ensured.
Description
Technical field
It the utility model is related to nuclear facilities field air cleaning system field test device, and in particular to one kind is used for tracer
The stainless steel telescoping tube of agent injection.
Background technology
At present, in the nuclear facilities factory building such as nuclear industry, nuclear power station, research reactor, reprocessing plant, medical department and scientific research institutions
Free gas cleaning system is set up, for preventing the gaseous state such as radioaerosol, iodide radioactive substance from entering workplace
And ambient air, so as to ensure the staff into factory building and the safety of surrounding environment.
High efficiency particulate air filter and iodine adsorber are most important safe cleaning equipment, high efficiency particulate air filter in core air cleaning system
It is related to the quality of iodine adsorber removal radioaerosol and radioiodine performance and is engaged in the strong of the professional related personnel
The safety of health and surrounding environment.According to nuclear safety codes and the regulation of core professional standard, high efficiency particulate air filter and iodine adsorber must
Must be after field test be qualified, core air cleaning system can just put into operation.
According to standard EJ/T 20027-2012《The survey of core air cleaning system high-efficiency particulate air filter cleaning coefficient
Fixed-fluorescein sodium aerosol processing》The measure of high efficiency particulate air filter coefficient of purification is carried out, according to standard EJ/T1183-2005《Core air
Measure-Radioactive methyl-iodide method of cleaning system iodine adsorber coefficient of purification》The measure of iodine adsorber coefficient of purification is carried out, substantially
Principle is that tracer is injected in the airduct of upstream, while is sampled in the upstream and downstream of high efficiency particulate air filter and iodine adsorber, then right
Sampled result carries out analysis calculating, finally draws the coefficient of purification of high efficiency particulate air filter and iodine adsorber.
When carrying out the field test of high efficiency particulate air filter and the detection of iodine adsorber coefficient of purification, pass through fluorescein sodium aerosol
Generator and methyl iodide gas generator upstream inject tracer in airduct.Part core air cleaning system is limited due to factory building
System, airduct are arranged on the top of factory building, higher (more than 3 meters) apart from ground, and generator can not be with the tracer that is opened on airduct
Agent inlet is directly connected to, if generator is raised into being highly implanted as airduct, can be brought again and be fallen from high altitude, be industrial
All multi-risk Systems such as safety and radiation protection, many difficulties are brought to field test operation.
Utility model content
The purpose of this utility model is to adsorb for China nuclear facilities field air cleaning system high efficiency particulate air filter and iodine
During device field test, what the injection of tracer high-altitude may be brought fall from high altitude, industry security and radiation protection equivalent risk, there is provided
A kind of stainless steel telescoping tube for tracer injection, reduced while tracer injection sealing No leakage is ensured to tracer
Trunking loss.
The technical solution of the utility model is as follows：A kind of stainless steel telescoping tube for tracer injection, including stainless steel
Pipe I and stainless steel tube II, one end of the stainless steel tube I are provided with connector body, and the stainless steel tube II inserts the connector
In vivo, and realized and be tightly connected by O-ring, pressure ring and connector lid, the end that stainless steel tube I and stainless steel tube II are located remotely from each other
Portion is respectively equipped with end flanges, and the end flanges are realized respectively to be connected with tracer generator and the quick of airduct tracer inlet
Connect.
Further, as described above for tracer injection stainless steel telescoping tube, wherein, described connector body with not
The co-axial seal of steel pipe I that becomes rusty is welded, and the O-ring and pressure ring are sleeved on stainless steel tube II, and are located at connector body and connector
Between lid.
Further, the stainless steel telescoping tube injected as described above for tracer, wherein, described connector body and company
Fitting lid is connected through a screw thread, and connector lid promotes pressure ring in screw thread rundown process, and pressure ring further promotes O-ring to prop up company
Fitting body inner bulge, deformation is gradually compressed, realize sealing.
Further, the stainless steel telescoping tube injected as described above for tracer, wherein, the end flanges use standard
Fast acting flange.
Further, the stainless steel telescoping tube for tracer injection as described above, wherein, the stainless steel tube I and not
Rust steel pipe II is sanitation-grade 0Cr18Ni9 stainless steel tubes.
Further, the stainless steel telescoping tube injected as described above for tracer, wherein, the O-ring is butyronitrile rubber
Cushion rubber or fluorine rubber ring.
Further, the stainless steel telescoping tube injected as described above for tracer, wherein, the connector body is with being connected
Part outer side of lid is equipped with annular annular knurl.
Further, the stainless steel telescoping tube injected as described above for tracer, wherein, the size of stainless steel tube I
For 40 × 1.5mm of Φ, the size of stainless steel tube II is 34 × 1.5mm of Φ.
The beneficial effects of the utility model are as follows：Stainless steel telescoping tube provided by the utility model can realize that tracer is sent out
The quick connection of raw device and high-altitude tracer inlet, ensure smooth, the safety of high efficiency particulate air filter and iodine adsorber field test
Carry out.By the rational design of type selecting and structure to tube material, while tracer injection sealing No leakage is ensured
Reduce the trunking loss to tracer.
Brief description of the drawings
Fig. 1 is the stainless steel flexible pipe structure schematic diagram for being used for tracer injection in the utility model specific embodiment.
In figure, 1- end flanges I, 2- stainless steel tubes I, 3- connector bodies, 4-O type circles, 5- pressure rings, 6- connector lids, 7- is not
Become rusty steel pipe II, 8- end flanges II
Embodiment
The utility model is described in detail with reference to the accompanying drawings and examples.
As shown in figure 1, the stainless steel telescoping tube provided by the utility model for tracer injection includes stainless steel tube I
2 and stainless steel tube II 7, one end of the stainless steel tube I be provided with connector body 3, the stainless steel tube II inserts the connector
In body 3, and realized and be tightly connected by O-ring 4, pressure ring 5 and connector lid 6, stainless steel tube I and stainless steel tube II are located remotely from each other
End be respectively equipped with end flanges I 1 and end flanges II 8, described two end flanges are realized and tracer generator and airduct respectively
The quick connection of tracer inlet.It is 1500-3100mm to process the stainless steel telescopic tube scope of application assembled.
End flanges I, end flanges II, connector body, pressure ring, connector lid material are 0Cr18Ni9 stainless steels, stainless steel tube I
It is sanitation-grade 0Cr18Ni9 stainless steel tubes with stainless steel tube II, O-ring is nitrile rubber circle or fluorine rubber ring.
End flanges I, the fast acting flange of the selection standard of end flanges II, chuck connection size are Φ 55mm, are pressed from both sides by fast acting flange,
Realize the quick connection of telescoping tube and tracer generator and tracer inlet.
The size of stainless steel tube I is 40 × 1.5mm of Φ, and the size of stainless steel tube II is 34 × 1.5mm of Φ.
Connector body is welded with stainless steel tube I using argon arc welding continuous sealing, welds rear connectors body and stainless steel tube I is same
Axle degree franchise is 0.05mm.
O-ring, pressure ring are sleeved on stainless steel tube II, and installed between connector body 3 and connector lid 6.Connector
Body 3 is equipped with annular annular knurl with the outside of connector lid 6, and it is comfortable with seal operation to ensure that connector body is opened with connector lid
Property, remaining position Glabrous thorn.
Connector body 3 is gradually tightened with connector lid 6 by screw thread, and connector lid 6 promotes pressure ring 5, and pressure ring 5 promotes O-shaped
Circle 4 props up connector body inner bulge, gradually compresses deformation, by the compression of O-ring, realizes connector body and stainless steel
The axial direction of pipe II, the thorough seal of radial direction, ensure that the sealing of telescoping tube.
Connector body is gradually unscrewed with connector lid by screw thread so that O-ring now can be stirred outwards without compression
Stainless steel tube II is to optional position, after position is fixed, then connector body and connector lid is tightened, the sealing of achievable telescoping tube
Property.
The seal tightness test of stainless steel telescoping tube：Pressed from both sides by quick release flange and be connected with stainless steel telescoping tube, composition is tested back
Road.Loop one end is sealed using quick release flange folder with blind flange, other end mounting ball valve.By vavuum pump, differential manometer and test back
Road ball valve one end is connected, and is started vavuum pump, loop inside and outside differential pressure is reached 5000 ± 20Pa.Close ball valve and vavuum pump, record
Differential manometer reading, in 10min pressure drop should be less than 200Pa.
Embodiment 1
Certain nuclear power station air cleaning system (DWG002FA systems) is provided with one-level high efficiency particulate air filter framed bent, according to nuclear safety method
Rule and the regulation of core professional standard, the coefficient of purification of high efficiency particulate air filter row need to be measured.
Airduct where the system tracer inlet be located at factory building top, apart from about 2.6 meters of ground.Using stainless before experiment
Steel telescoping tube is connected with inlet, fluorescein sodium aerosol aerosol generator respectively with fast acting flange folder so that tracer energy
Enough pass through telescoping tube injected system.
According to the requirement of DWG002FA system high efficiency filter capability testing regulations, systematic air flow is adjusted to nominal air delivery
± 10% in the range of, according to standard EJ/T 20027-2012《Core air cleaning system high-efficiency particulate air filter cleaning system
Several measure-fluorescein sodium aerosol processing》Tested, the coefficient of purification that experiment measures system high efficiency filter row is
6800, it is qualified more than the requirement of testing regulations required value >=1000, result of the test.
After off-test, recovery system, stainless steel telescoping tube is pulled down from system, transport laboratory storage back.
Embodiment 2
Certain nuclear power station air cleaning system (DVC001PI systems) is provided with two-stage iodine adsorber framed bent, according to nuclear safety codes
With the regulation of core professional standard, the coefficient of purification that the iodine adsorber is arranged need to be measured.
Airduct where the system tracer inlet be located at factory building top, apart from about 2.8 meters of ground.Using stainless before experiment
Steel telescoping tube is connected with inlet, methyl iodide gas generator respectively with fast acting flange folder so that tracer can be by flexible
Pipe injected system.
According to the requirement of DVC001PI system iodine adsorber performance test codes, systematic air flow is adjusted to nominal air delivery
In the range of ± 10%, according to standard EJ/T 1183-2005《Measure-radiation of core air cleaning system iodine adsorber coefficient of purification
Property methyl iodide method》Tested.
Upstream and downstream sampling apparatus is connected with system, after confirmation is errorless, starts upper and lower sampling apparatus, and adjust sample streams
Amount.
Then dimethyl suflfate is injected into methyl iodine generator built with Na131In the reaction bulb of I solution, and by reaction bulb
It is fixed on bracket.
Start methyl iodine generator, by the CH of generation3 131I gases are injected into tested ventilating system pipeline by ascending pipe.
After sampling terminates, measure the radioactive activity of each efficiently filter membrane and iodine sampling charcoal box respectively with gamma ray spectrometer, pass through ratio
Compared with the total activity of upstream and downstream sample, the coefficient of purification for trying to achieve system iodine adsorber row is 9800, more than testing regulations required value
>=1000 requirement, result of the test are qualified.
After off-test, recovery system, stainless steel telescoping tube is pulled down from system, transport laboratory storage back.
Obviously, those skilled in the art can carry out various changes and modification without departing from this practicality to the utility model
New spirit and scope.So, if belonging to the utility model claims to these modifications and variations of the present utility model
And its within the scope of equivalent technology, then the utility model is also intended to comprising including these changes and modification.
Claims (8)
1. a kind of stainless steel telescoping tube for tracer injection, including stainless steel tube I (2) and stainless steel tube II (7), its feature
It is：One end of the stainless steel tube I (2) is provided with connector body (3), and the stainless steel tube II (7) inserts the connector body
(3) in, and realized and be tightly connected by O-ring (4), pressure ring (5) and connector lid (6), stainless steel tube I (2) and stainless steel tube
The end that II (7) are located remotely from each other is respectively equipped with end flanges (1,8), and the end flanges (1,8) realize respectively and tracer generator
With the quick connection of airduct tracer inlet.
2. the stainless steel telescoping tube for tracer injection as claimed in claim 1, it is characterised in that：Described connector body
(3) welded with stainless steel tube I (2) co-axial seal, the O-ring (4) and pressure ring (5) are sleeved on stainless steel tube II (7), and position
Between connector body (3) and connector lid (6).
3. the stainless steel telescoping tube for tracer injection as claimed in claim 1 or 2, it is characterised in that：Described connection
Part body (3) is connected through a screw thread with connector lid (6), and connector lid (6) promotes pressure ring (5), pressure ring in screw thread rundown process
(5) further promote O-ring (4) to prop up connector body (3) inner bulge, gradually compress deformation, realize sealing.
4. the stainless steel telescoping tube for tracer injection as claimed in claim 1 or 2, it is characterised in that：The end flanges
(1,8) the fast acting flange of standard is used.
5. the stainless steel telescoping tube for tracer injection as claimed in claim 1 or 2, it is characterised in that：The stainless steel
Pipe I (2) and stainless steel tube II (7) are sanitation-grade 0Cr18Ni9 stainless steel tubes.
6. the stainless steel telescoping tube for tracer injection as claimed in claim 1 or 2, it is characterised in that：The O-ring
(4) it is nitrile rubber circle or fluorine rubber ring.
7. the stainless steel telescoping tube for tracer injection as claimed in claim 1 or 2, it is characterised in that：The connector
Body (3) on the outside of connector lid (6) with being equipped with annular annular knurl.
8. the stainless steel telescoping tube for tracer injection as claimed in claim 1 or 2, it is characterised in that：The stainless steel
Pipe I (2) size is 40 × 1.5mm of Φ, and stainless steel tube II (7) size is 34 × 1.5mm of Φ.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720629231.8U CN206786195U (en) | 2017-06-01 | 2017-06-01 | A kind of stainless steel telescoping tube for tracer injection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720629231.8U CN206786195U (en) | 2017-06-01 | 2017-06-01 | A kind of stainless steel telescoping tube for tracer injection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206786195U true CN206786195U (en) | 2017-12-22 |
Family
ID=60713955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720629231.8U Active CN206786195U (en) | 2017-06-01 | 2017-06-01 | A kind of stainless steel telescoping tube for tracer injection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206786195U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU196823U1 (en) * | 2019-12-23 | 2020-03-17 | Акционерное общество "Военно-промышленная корпорация "Научно-производственное объединение машиностроения" | Aircraft Fuel Compartment Pipeline |
| CN112815156A (en) * | 2021-01-15 | 2021-05-18 | 无锡顺谊管业有限公司 | Telescopic steel pipe |
-
2017
- 2017-06-01 CN CN201720629231.8U patent/CN206786195U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU196823U1 (en) * | 2019-12-23 | 2020-03-17 | Акционерное общество "Военно-промышленная корпорация "Научно-производственное объединение машиностроения" | Aircraft Fuel Compartment Pipeline |
| CN112815156A (en) * | 2021-01-15 | 2021-05-18 | 无锡顺谊管业有限公司 | Telescopic steel pipe |
| CN112815156B (en) * | 2021-01-15 | 2022-06-24 | 无锡顺谊管业有限公司 | Telescopic steel pipe |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206786195U (en) | A kind of stainless steel telescoping tube for tracer injection | |
| CN105203717B (en) | Inert gas monitor field calibration device and its application process | |
| CN110068428B (en) | Iodine adsorber leakage rate on-line measuring system and measuring method thereof | |
| CN101858817A (en) | Equal-pressure virtual isolation check valve sealing test method and equipment | |
| CN203941039U (en) | Radioactivity inert gas sampler in nuclear power plant's chimney | |
| CN204009085U (en) | A kind of nuclear power plant hydrogeneous waste gas radioactivity continuous monitoring device | |
| CN102928182B (en) | Leakage test device for mechanical penetration piece of nuclear power plant containment vessel | |
| CN110726776A (en) | Equipment and method for testing adsorption efficiency of iodine adsorber of nuclear facility | |
| CN203658589U (en) | Airborne radioiodine activity real-time detection device | |
| CN116612910A (en) | Packaging container for transporting high-level waste liquid | |
| CN116380558A (en) | Device and method for sampling nuclide with short half-life of primary loop coolant of high-temperature gas cooled reactor | |
| CN208888376U (en) | A kind of digitlization iodine monitoring detection device | |
| CN207364493U (en) | Rigid conduit pressure sealing structure | |
| CN108801711A (en) | A kind of aerosol sampler quickly connected | |
| WO2005059593A1 (en) | Method and equipment to separate and measure 37ar quickly | |
| CN105319572A (en) | Waste gas treatment detector | |
| CN114034521A (en) | Nuclear power station radioactive gas sampling device | |
| CN207502122U (en) | A kind of tracer multiple spot ascending pipe for core air cleaning system | |
| CN109991647A (en) | Radioxenon fast high-sensitive degree detection device | |
| CN209880176U (en) | System for tritium removal from high humidity air | |
| CN107588994A (en) | A kind of road surface airborne dust trap, airborne dust detection means and detection method | |
| KR101961838B1 (en) | A dust leak prevention system of nuclear fuel pellet production line | |
| CN107930338A (en) | A kind of cylinder iodine adsorber | |
| CN111610548A (en) | I-129 radiation monitoring system and method | |
| CN208076731U (en) | Measure the vacuum type spectrometer detector of γ photons |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |