CN208254888U - Air sampler extends probe tube Tool Box - Google Patents
Air sampler extends probe tube Tool Box Download PDFInfo
- Publication number
- CN208254888U CN208254888U CN201820669846.8U CN201820669846U CN208254888U CN 208254888 U CN208254888 U CN 208254888U CN 201820669846 U CN201820669846 U CN 201820669846U CN 208254888 U CN208254888 U CN 208254888U
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- China
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- flexible pipe
- stainless steel
- steel tube
- screw thread
- air sampler
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Abstract
The utility model relates to nuclear power plant's Radiation monitoring technical fields, specifically disclose air sampler extension probe tube Tool Box, pass through the stainless steel tube that gum sleeve is connected with air sampler sampling head including one end, pressure gauge on stainless steel tube, the flexible pipe being connected with the stainless steel tube other end and the adjustable support set on the lower section of stainless steel tube and flexible pipe.Utility model device can take the air sample in narrow regions and systematic pipeline, avoid air sampler and sample the problem of being easy to cause sampler to stain in high surface contamination region.
Description
Technical field
The utility model belongs to nuclear power plant's Radiation monitoring technical field, and in particular to a kind of air sampler extension probe tube
Tool Box.
Background technique
Nuclear power plant can generate fission product and activation corrosion product when running, these substances all have certain radioactivity,
And as system operation is diffused into each system of primary Ioops.Due to system leak and regular opening maintenance, there are radioactive materials
Matter, which is diffused into workshop and air, leads to the risk of air pollution.Therefore nuclear power plant need to pointedly carry out the work regional air pollution
Monitoring.If will lead to interior irradiation, this is in electricity without taking effective safeguard procedures in the place operation there are air pollution
Factory firmly forbids.Therefore air pollution monitoring has the health of risk analysis before operation and protection power plant staff
It is significant.
Nuclear power plant's air pollution monitoring is in addition to small part region has fixed sampling monitoring instrument, the monitoring in most of region
It is to be evacuated in region to be monitored using air sampler, the high efficiency filter paper and activated charcoal in sampler are by putting in air-flow
The absorption of penetrating property substance, then measures filter paper and carbon box, to calculate in air on pured germanium crystal spectrometer or Low background α, β counter
Radioactive contamination level, and then take targetedly safeguard procedures.
There is no problem in open space for this sampling method, but is if narrow space or needs to be sampled takes
Gaseous sample in line under the overall leadership, sampler samples region, sampling head and system since own dimensions problem can not be placed at this time
Pipeline can not dock, and all be unable to satisfy sampling demand.If there are serious surface contaminations in region to be sampled, air can be also stain
Sampler, and structure is complicated for air sampler, inconvenient decontamination.
Summary of the invention
The purpose of this utility model is to provide a kind of air samplers to extend probe tube Tool Box, can extract narrow
Air sample in region and systematic pipeline.
The technical solution of the utility model is as follows:
Air sampler extends probe tube Tool Box, is equipped with exhaust fan, blast velocity control and stream inside air sampler
Phasor measurement unit, including flexible pipe, stainless steel tube, pressure gauge, gum sleeve, cuff, adjustable support；
Sampling head is equipped on the air sampler；
The stainless steel tube is straight tube, and a circular hole is opened up on the side wall of stainless steel tube；The one of the stainless steel tube
End is equipped with screw thread, is connected through a screw thread with flexible pipe；The other end is connected by gum sleeve with sampling head；
The gum sleeve has elasticity, passes through cuff fit sealing；
The cuff includes stainless steel ring and fastening bolt, is located at the outside of gum sleeve；
The pressure gauge is pointer type gas gauge, and pressure gauge is weldingly fixed on stainless steel tube by a connecting tube
Side wall circular hole at；
It is respectively arranged below with adjustable support in the stainless steel tube and flexible pipe, for adjusting stainless steel tube and flexibility
The height of pipe.
Adjustable support below stainless steel tube makes the sampling head of stainless steel tube and air sampler be in sustained height；
Adjustable support below flexible pipe makes flexible pipe keep certain height, to sample from specific position.
The flexible pipe includes cross-section flexible pipe and gradual change section flexible pipe；
The cross-section flexible pipe is the equal hose of internal diameter, and pipe shaft has toughness and intensity, can bend as needed,
And the state after bending is kept, internal diameter is equal with the internal diameter of stainless steel tube；
The gradual change section flexible pipe is the conical tube that internal diameter is gradually reduced, and pipe shaft has toughness and intensity, can root
According to needing to bend, and the state after bending is kept, maximum inner diameter is equal with the internal diameter of stainless steel tube.
It is equipped with internal screw thread in one end of the cross-section flexible pipe, the other end is equipped with external screw thread.
It is equipped with internal screw thread in the cone bottom end of the gradual change section flexible pipe, vertex of a cone end is round and smooth nozzle；It is described stainless
Steel pipe sets threaded one end as external screw thread.
The cross-section flexible pipe sets internal thread one end and stainless steel tube is equipped with externally threaded one end and passes through screw thread
Connection, cone bottom end and the cross-section flexible pipe of gradual change section flexible pipe are equipped with externally threaded one end and are connected through a screw thread；It is described gradually
The vertex of a cone end of variable cross-section flexible pipe is as sample tap.
The cross-section flexible pipe sets internal thread one end and stainless steel tube is equipped with externally threaded one end and passes through screw thread
Connection, cross-section flexible pipe are equipped with externally threaded one end as sample tap.
The cone bottom end of the gradual change section flexible pipe is equipped with externally threaded one end with stainless steel tube and is connected through a screw thread, gradually
The vertex of a cone end of variable cross-section flexible pipe is as sample tap.
In the case where the sample tap is connected with sampling line and sampling line bore is less than sample tap internal diameter, by small
The gum sleeve of internal diameter effectively connects sample tap and sampling line；
The gum sleeve with a thickness of 1~2mm.
Multiple cross-section flexible pipes can be connected through a screw thread to increase length, a gradual change section flexible pipe and one
A or multiple cross-section flexible pipes can also be connected through a screw thread to increase length.
The utility model has the beneficial effects that:
(1) utility model device can take the air sample in narrow regions and systematic pipeline, avoid air sampling
Device samples the problem of being easy to cause sampler to stain in high surface contamination region.
(2) utility model device puts sampling personnel to Low emissivity air sampler by extending probe tube
Risk zones reduce the radiation risk of sampling personnel.
Detailed description of the invention
Fig. 1 is the first assembling form schematic diagram of the utility model；
Fig. 2 is second of assembling form schematic diagram of the utility model；
Fig. 3 is the third assembling form schematic diagram of the utility model.
In figure: 1. cross-section flexible pipes；2. gradual change section flexible pipe；3. stainless steel tube；4. pressure gauge；5. gum sleeve；
6. cuff；7. adjustable support；8. air sampler；9. sampling head.
Specific embodiment
With reference to the accompanying drawing and specific embodiment is described in further detail the utility model.
A kind of air sampler extension probe tube Tool Box, including flexible pipe, stainless steel tube 3, pressure gauge 4, rubber sleeve
Pipe 5, cuff 6, adjustable support 7.
Exhaust fan, blast velocity control and airflow measurement unit are installed inside the air sampler 8, in air sampler
8 are equipped with sampling head 9.
The stainless steel tube 3 is straight tube, and a circular hole is opened up on the side wall of stainless steel tube 3.The stainless steel tube 3
One end is equipped with external screw thread, is connected through a screw thread with flexible pipe；The other end is connected by gum sleeve 5 with sampling head 9.
The gum sleeve 5 has elasticity, with a thickness of 1~2mm, passes through 6 fit sealing of cuff.The cuff 6 wraps
Stainless steel ring and fastening bolt are included, the outside of gum sleeve 5 is located at.
The pressure gauge 4 is pointer type gas gauge, and pressure gauge 4 is weldingly fixed on stainless steel by a connecting tube
At the side wall circular hole of pipe 3.
The flexible pipe includes cross-section flexible pipe 1 and gradual change section flexible pipe 2.
The cross-section flexible pipe 1 is the equal hose of internal diameter, and pipe shaft has certain toughness and intensity, can be as needed
Bending, and the state after bending is kept, internal diameter is equal with the internal diameter of stainless steel tube 3.It is equipped in one end of cross-section flexible pipe 1
Internal screw thread, the other end are equipped with external screw thread.
The gradual change section flexible pipe 2 is the conical tube that internal diameter is gradually reduced, and pipe shaft has certain toughness and intensity,
It can bend as needed, and keep the state after bending, maximum inner diameter is equal with the internal diameter of stainless steel tube 3.In gradual change section
The cone bottom end of flexible pipe 2 is equipped with internal screw thread, and vertex of a cone end is round and smooth nozzle.
Two cross-section flexible pipes 1 can be connected through a screw thread to increase length, a gradual change section flexible pipe 2 and one etc.
Section flexible pipe 1 can also be connected through a screw thread to increase length.
As shown in Figure 1, the cross-section flexible pipe 1 sets internal thread one end with stainless steel tube 3 equipped with externally threaded
One end is connected through a screw thread, and the cone bottom end of gradual change section flexible pipe 2 and cross-section flexible pipe 1 are equipped with externally threaded one end and pass through spiral shell
Line connection.The vertex of a cone end of gradual change section flexible pipe 2 is as sample tap.
As shown in Fig. 2, the cross-section flexible pipe 1 sets internal thread one end with stainless steel tube 3 equipped with externally threaded
One end is connected through a screw thread, and cross-section flexible pipe 1 is equipped with externally threaded one end as sample tap.
As shown in figure 3, the cone bottom end of the gradual change section flexible pipe 2 and stainless steel tube 3 are logical equipped with externally threaded one end
Threaded connection is crossed, the vertex of a cone end of gradual change section flexible pipe 2 is as sample tap.
In the case where the sample tap is connected with sampling line and sampling line bore is less than sample tap internal diameter, can pass through
The gum sleeve of small internal diameter effectively connects.
It is respectively arranged below with adjustable support 7 in the stainless steel tube 3 and flexible pipe, set on 3 lower section of stainless steel tube
Adjustable support 7 can make stainless steel tube 3 and the sampling head of air sampler be in sustained height；It is adjustable below flexible pipe
Bracket 7 can make flexible pipe keep certain height, to sample from specific position.
Claims (10)
1. air sampler extends probe tube Tool Box, exhaust fan, blast velocity control and stream are installed inside air sampler (8)
Phasor measurement unit, it is characterised in that: including flexible pipe, stainless steel tube (3), pressure gauge (4), gum sleeve (5), cuff (6), can
It adjusts bracket (7)；
Sampling head (9) are equipped on the air sampler (8)；
The stainless steel tube (3) is straight tube, and a circular hole is opened up on the side wall of stainless steel tube (3)；The stainless steel tube (3)
One end be equipped with screw thread, be connected through a screw thread with flexible pipe；The other end is connected by gum sleeve (5) with sampling head (9)；
The gum sleeve (5) has elasticity, passes through cuff (6) fit sealing；
The cuff (6) includes stainless steel ring and fastening bolt, is located at the outside of gum sleeve (5)；
The pressure gauge (4) is pointer type gas gauge, and pressure gauge (4) is weldingly fixed on stainless steel by a connecting tube
At the side wall circular hole for managing (3)；
Adjustable support (7) are respectively arranged below in the stainless steel tube (3) and flexible pipe, for adjusting stainless steel tube (3)
With the height of flexible pipe.
2. air sampler as described in claim 1 extends probe tube Tool Box, it is characterised in that: be set to stainless steel tube
(3) adjustable support (7) below makes stainless steel tube (3) and the sampling head of air sampler be in sustained height；
Adjustable support (7) below flexible pipe makes flexible pipe keep certain height, to sample from specific position.
3. air sampler as claimed in claim 2 extends probe tube Tool Box, it is characterised in that: the flexible pipe packet
Include cross-section flexible pipe (1) and gradual change section flexible pipe (2)；
The cross-section flexible pipe (1) is the equal hose of internal diameter, and pipe shaft has toughness and intensity, can bend as needed,
And the state after bending is kept, internal diameter is equal with the internal diameter of stainless steel tube (3)；
The gradual change section flexible pipe (2) is the conical tube that internal diameter is gradually reduced, and pipe shaft has toughness and intensity, can basis
It needs to bend, and keeps the state after bending, maximum inner diameter is equal with the internal diameter of stainless steel tube (3).
4. air sampler as claimed in claim 3 extends probe tube Tool Box, it is characterised in that: in the cross-section
One end of flexible pipe (1) is equipped with internal screw thread, and the other end is equipped with external screw thread.
5. air sampler as claimed in claim 4 extends probe tube Tool Box, it is characterised in that: cut in the gradual change
The cone bottom end of face flexible pipe (2) is equipped with internal screw thread, and vertex of a cone end is round and smooth nozzle；The stainless steel tube (3) sets threaded one
End is external screw thread.
6. air sampler as claimed in claim 5 extends probe tube Tool Box, it is characterised in that: the cross-section is soft
Property pipe (1) set internal thread one end and stainless steel tube (3) and be equipped with externally threaded one end and be connected through a screw thread, gradual change section is flexible
It manages the cone bottom end of (2) and cross-section flexible pipe (1) is equipped with externally threaded one end and is connected through a screw thread；Gradual change section flexible pipe
(2) vertex of a cone end is as sample tap.
7. air sampler as claimed in claim 5 extends probe tube Tool Box, it is characterised in that: the cross-section is soft
Property pipe (1) set internal thread one end and stainless steel tube (3) and be equipped with externally threaded one end and be connected through a screw thread, cross-section flexible pipe
(1) externally threaded one end is equipped with as sample tap.
8. air sampler as claimed in claim 5 extends probe tube Tool Box, it is characterised in that: the gradual change section
The cone bottom end of flexible pipe (2) is equipped with externally threaded one end with stainless steel tube (3) and is connected through a screw thread, gradual change section flexible pipe (2)
Vertex of a cone end as sample tap.
9. as the described in any item air samplers of claim 6~8 extend probe tube Tool Box, it is characterised in that: in institute
State sample tap be connected with sampling line and sampling line bore be less than sample tap internal diameter in the case where, pass through the rubber sleeve of small internal diameter
Pipe effectively connection sample tap and sampling line；
The gum sleeve (5) with a thickness of 1~2mm.
10. air sampler as claimed in claim 9 extends probe tube Tool Box, it is characterised in that: described in multiple etc.
Section flexible pipe (1) can be connected through a screw thread to increase length, a gradual change section flexible pipe (2) and one or more cross-sections
Flexible pipe (1) can also be connected through a screw thread to increase length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820669846.8U CN208254888U (en) | 2018-05-07 | 2018-05-07 | Air sampler extends probe tube Tool Box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820669846.8U CN208254888U (en) | 2018-05-07 | 2018-05-07 | Air sampler extends probe tube Tool Box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208254888U true CN208254888U (en) | 2018-12-18 |
Family
ID=64636011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820669846.8U Active CN208254888U (en) | 2018-05-07 | 2018-05-07 | Air sampler extends probe tube Tool Box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208254888U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112763279A (en) * | 2020-12-21 | 2021-05-07 | 苏州原核仪表成套有限公司 | Sampling head structure, air pipe structure, sampling head and air pipe type selection method |
-
2018
- 2018-05-07 CN CN201820669846.8U patent/CN208254888U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112763279A (en) * | 2020-12-21 | 2021-05-07 | 苏州原核仪表成套有限公司 | Sampling head structure, air pipe structure, sampling head and air pipe type selection method |
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