CN206991784U - A kind of neutron holding vessel - Google Patents
A kind of neutron holding vessel Download PDFInfo
- Publication number
- CN206991784U CN206991784U CN201720925159.3U CN201720925159U CN206991784U CN 206991784 U CN206991784 U CN 206991784U CN 201720925159 U CN201720925159 U CN 201720925159U CN 206991784 U CN206991784 U CN 206991784U
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- China
- Prior art keywords
- neutron
- layer
- holding vessel
- memotron
- pipe close
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Abstract
It the utility model is related to a kind of neutron holding vessel, including tank body；It is some be arranged on the tank body, the memotron for storing radioactive source；The tank body includes：Housing；It is arranged in the shell inner surface, for stopping gamma-ray first lead layer；It is arranged in the lead layer and fills full whole space, the boracic load layer for obstructing neutron, is designed more than, the neutron stored, surrounded by medium layer by layer, counteract most radiation, make the storage of neutron safer.
Description
Technical field
It the utility model is related to radiation source domain, more particularly to a kind of neutron holding vessel.
Background technology
Radioactive source is the common name using radiation source made of radioactive substance.Radioactive source radionuclide typically made by use
Activity to identify its strong and weak, it is also possible to it is strong and weak that ray emission rate or fluence rate identify its.Traditionally nondestructive inspection, radiation are controlled
The radioactive source of high activity or high ray emissivity used in treatment, radiation treatment is referred to as radiation source.
Radioactive source can be divided into αsource, radiator beta-ray, gamma ray radiator and neutron source etc. by the type of discharged ray；According to
The packaged type of radioactive source can be divided into sealed radioactive source (radioactive substance, which is sealed in, to be met in necessarily required involucrum) and non-close
Sealing radioactive source, most work, agriculture and medical radiation courses are sealed radioactive sources (without the radioactive substance of involucrum), such as：Workers and peasants
What level-sensing device, the defectoscope etc. applied in industry production used is all sealed source, such as cobalt -60, caesium -137, Iridium-192 source.Some confessions
Use for laboratory, radioactive source that intensity is relatively low be non-tight, such as：The radioactive tracer used in hospital belongs to non-tight
Source, such as iodine -131, iodine-125, technetium -99m.
In order to facilitate storage neutron, and do not radiated by it, present applicant proposes a kind of structure to solve the above problems.
Utility model content
The purpose of this utility model is to provide a kind of neutron holding vessel, to solve in drawbacks described above existing for prior art
It is at least one.
For the above-mentioned purpose, the technical solution adopted in the utility model is as follows：
A kind of neutron holding vessel, it is characterised in that the neutron holding vessel includes：
Tank body；
It is some be arranged on the tank body, the memotron for storing radioactive source；
The tank body includes：
Housing；
It is arranged in the shell inner surface, for stopping gamma-ray first lead layer；
It is arranged in the lead layer and fills full whole space, the boracic load layer for obstructing neutron.
Preferably, the neutron holding vessel also includes：
It is arranged on inside the boracic load layer, the polyethylene layer for degraded neutron.
Preferably, the second lead layer for deceleration is additionally provided between the polyethylene layer and the memotron.
Preferably, the housing includes：
The shell of carbon steel；
It is arranged on the shell of the carbon steel, the storage holes for being engaged with the memotron.
Preferably, the shell of the carbon steel is provided with the assembly of lid for being used for protecting memotron.
Preferably, the boracic load layer is Boron-containing-PE layer.
Preferably, the memotron includes：
Store tube body；
It is arranged in the storage tube body, the pipe close for blocking the memotron body openings.
Preferably, the pipe close includes：
The pipe close shell being engaged with the storage tube body；
It is arranged on the polyethylene sections of the pipe close shell inner bottom part；
The Boron-containing-PE section being connected with the polyethylene sections；
And the lead layer section being connected with the Boron-containing-PE section；
When the pipe close stoppers, polyethylene sections, Boron-containing-PE section, lead layer section on the pipe close respectively with housing
Lead layer, Boron-containing-PE layer, polyethylene layer it is corresponding.
Preferably, the pipe close also includes：
The annular snap ring for being arranged in the lead layer section, being entered for limiting the pipe close in memotron.
Preferably, the assembly of lid includes：
It is arranged on the shell upper surface of the carbon steel and the shell of the carbon steel is perpendicular and incites somebody to action
The storage holes are trapped among the rectangular preiection of centre；
It is arranged on the rectangular preiection madial wall, the hinge close to the rectangular preiection upper surface；
The top cover for being connected with the hinge and being engaged with the rectangular preiection；
The outside of top cover wall is provided with handle；
The inside of top cover wall is provided with the buckle to cooperate with rectangular preiection lateral wall；
When top cover is pulled up, can be rotated by hinge around rectangular preiection side wall.
Compared with prior art, the utility model at least has the advantages that：The utility model includes tank body；It is some
It is arranged on the tank body, the memotron for storing radioactive source；The tank body includes：Housing；It is arranged on table in the housing
On face, for stopping gamma-ray first lead layer；It is arranged in the lead layer and fills full whole space, for obstructing neutron
Boracic load layer, using more than design, the neutron stored, by medium layer by layer surround, counteract most radiation,
Make the storage of neutron safer.
Brief description of the drawings
Fig. 1 is the top view of the utility model preferred embodiment.
Fig. 2 is the transverse cross-sectional view of the utility model preferred embodiment.
Fig. 3 is the longitudinal sectional drawing of the utility model preferred embodiment.
Fig. 4 is the memotron structural representation of the utility model preferred embodiment.
Embodiment
The utility model is described further with reference to the accompanying drawings and examples.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, a kind of neutron holding vessel of the present embodiment, it is characterised in that the neutron storage
Depositing tank includes：
Tank body；
It is some be arranged on the tank body, the memotron for storing radioactive source；
The tank body includes：
Housing；
It is arranged in the shell inner surface, for stopping gamma-ray first lead layer 1；
It is arranged in the lead layer and fills full whole space, the boracic load layer 2 for obstructing neutron.
Specifically, when radioactive source be placed on memotron you when, its neutron emitted largely is inhaled by boracic load layer 2
Receive, by the gamma-rays of boracic load layer 2 when touching the first lead layer 1, stopped by the first lead layer 1, eventually pass through housing biography
It is delivered to that the radiation of external environment condition is fairly small, substantially reduces environmental pollution during neutron storage.
Preferably, the neutron holding vessel also includes：
It is arranged on inside the boracic load layer 2, the polyethylene layer 3 for degraded neutron.
Specifically, in order that boracic load layer 2 preferably absorbs neutron, a strata second is devised in boracic load layer 2
Alkene layer 3, when the neutron emitted passes through polyethylene layer 3, degraded neutron, speed becomes when the neutron is entered boracic load layer 2
Small, residence time increases in boracic load layer 2, improves the absorption efficiency of the neutron of boracic load layer 2.
Preferably, it is additionally provided between the polyethylene layer 3 and the memotron and (is not marked in figure for the second lead layer of deceleration
Go out).
Preferably, the housing includes：
The shell 4 of carbon steel；
It is arranged on the shell 4 of the carbon steel, the storage holes 5 for being engaged with the memotron.
Preferably, the shell 4 of the carbon steel is provided with the assembly of lid for being used for protecting memotron.
Preferably, the boracic load layer 2 is Boron-containing-PE layer 3.
Preferably, the memotron includes：
Store tube body 7；
It is arranged in the storage tube body, the pipe close 6 for blocking the memotron body openings.
Preferably, the pipe close 6 includes：
The pipe close shell being engaged with the storage tube body；
It is arranged on the polyethylene sections 8 of the pipe close shell inner bottom part；
The Boron-containing-PE section 9 being connected with the polyethylene sections 8；
And the lead layer section 10 being connected with the Boron-containing-PE section 9；
When the pipe close 6 stoppers, polyethylene sections 8, Boron-containing-PE section 9, lead layer section 10 on the pipe close 6 respectively with
Lead layer, Boron-containing-PE layer 3, polyethylene layer 3 in housing is corresponding.
Specifically, the pipe close 6 of memotron is designed to relative with lead layer, Boron-containing-PE layer 3, polyethylene layer 3 in housing
Should, substantially increase the radiation-proof effect at blocking.
Preferably, the pipe close 6 also includes：
The annular snap ring 11 for being arranged in the lead layer section 10, being entered for limiting the pipe close 6 in memotron.
Specifically, designing annular snap ring 11 in the lead layer section 10 of pipe close 6, avoid pipe close 6 when pipe close 6 are filled in
All fill in storage tube body, the problem of causing pipe close 6 not take out.Simultaneously when pipe close 6 are extracted, it can also pass through
Annular snap ring 11 is exerted oneself, and is easy to extract pipe close 6.
Preferably, the assembly of lid includes：
Be arranged on the upper surface of shell 4 of the carbon steel, it is perpendicular with the shell 4 of the carbon steel and
The storage holes 5 are trapped among to the rectangular preiection 12 of centre；
It is arranged on the madial wall of rectangular preiection 12, the hinge close to the upper surface of rectangular preiection 12 (is not marked in figure
Go out)；
The top cover 13 for being connected and being engaged with the rectangular preiection 12 with the hinge (not marked in figure)；
The lateral wall of top cover 13 is provided with handle 14；
The madial wall of top cover 13 is provided with the buckle to cooperate with the lateral wall of rectangular preiection 12；
When top cover 13 is pulled up, can be rotated by hinge (not marked in figure) around the side wall of rectangular preiection 12.
The utility model is described in detail above by specific embodiment, these detailed description are only limited to
Content of the present utility model is helped skilled in the art to understand, the limit to scope of protection of the utility model can not be interpreted as
System.The scope of protection of the utility model is defined by the content of claims.
Claims (10)
1. a kind of neutron holding vessel, it is characterised in that the neutron holding vessel includes：
Tank body；
It is some be arranged on the tank body, the memotron for storing radioactive source；
The tank body includes：
Housing；
It is arranged in the shell inner surface, for stopping gamma-ray first lead layer；
It is arranged in the lead layer and fills full whole space, the boracic load layer for obstructing neutron.
2. a kind of neutron holding vessel according to claim 1, it is characterised in that the neutron holding vessel also includes：
It is arranged on inside the boracic load layer, the polyethylene layer for degraded neutron.
A kind of 3. neutron holding vessel according to claim 2, it is characterised in that the polyethylene layer and the memotron it
Between be additionally provided with the second lead layer for deceleration.
A kind of 4. neutron holding vessel described in any one in claim 1-3, it is characterised in that the housing bag
Include：
The shell of carbon steel；
It is arranged on the shell of the carbon steel, the storage holes for being engaged with the memotron.
5. a kind of neutron holding vessel according to claim 4, it is characterised in that the shell of the carbon steel is provided with
For protecting the assembly of lid of memotron.
6. a kind of neutron holding vessel according to claim 5, it is characterised in that the boracic load layer is Boron-containing-PE
Layer.
7. a kind of neutron holding vessel according to claim 6, it is characterised in that the memotron includes：
Store tube body；
It is arranged in the storage tube body, the pipe close for blocking the memotron body openings.
8. a kind of neutron holding vessel according to claim 7, it is characterised in that the pipe close includes：
The pipe close shell being engaged with the storage tube body；
It is arranged on the polyethylene sections of the pipe close shell inner bottom part；
The Boron-containing-PE section being connected with the polyethylene sections；
And the lead layer section being connected with the Boron-containing-PE section；
When the pipe close stoppers, polyethylene sections, Boron-containing-PE section, lead layer section on the pipe close respectively with the lead in housing
Layer, Boron-containing-PE layer, polyethylene layer are corresponding.
9. a kind of neutron holding vessel according to claim 8, it is characterised in that the pipe close also includes：
The annular snap ring for being arranged in the lead layer section, being entered for limiting the pipe close in memotron.
A kind of 10. neutron holding vessel according to any one in claim 5-9, it is characterised in that the assembly of lid
Including：
It is arranged on the shell upper surface of the carbon steel, described in and general perpendicular with the shell of the carbon steel
Storage holes are trapped among the rectangular preiection of centre；
It is arranged on the rectangular preiection madial wall, the hinge close to the rectangular preiection upper surface；
The top cover for being connected with the hinge and being engaged with the rectangular preiection；
The outside of top cover wall is provided with handle；
The inside of top cover wall is provided with the buckle to cooperate with rectangular preiection lateral wall；
When top cover is pulled up, can be rotated by hinge around rectangular preiection side wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720925159.3U CN206991784U (en) | 2017-07-27 | 2017-07-27 | A kind of neutron holding vessel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720925159.3U CN206991784U (en) | 2017-07-27 | 2017-07-27 | A kind of neutron holding vessel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206991784U true CN206991784U (en) | 2018-02-09 |
Family
ID=61415938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720925159.3U Active CN206991784U (en) | 2017-07-27 | 2017-07-27 | A kind of neutron holding vessel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206991784U (en) |
-
2017
- 2017-07-27 CN CN201720925159.3U patent/CN206991784U/en active Active
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