CN202807274U - Material subpackaging container - Google Patents

Material subpackaging container Download PDF

Info

Publication number
CN202807274U
CN202807274U CN 201220368897 CN201220368897U CN202807274U CN 202807274 U CN202807274 U CN 202807274U CN 201220368897 CN201220368897 CN 201220368897 CN 201220368897 U CN201220368897 U CN 201220368897U CN 202807274 U CN202807274 U CN 202807274U
Authority
CN
China
Prior art keywords
container
layer container
truncated cone
shaped
internal layer
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.)
Expired - Lifetime
Application number
CN 201220368897
Other languages
Chinese (zh)
Inventor
那娟娟
杨廷贵
张仁全
朱桐宇
张志方
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
404 Co Ltd China National Nuclear Corp
Original Assignee
404 Co Ltd China National Nuclear Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 404 Co Ltd China National Nuclear Corp filed Critical 404 Co Ltd China National Nuclear Corp
Priority to CN 201220368897 priority Critical patent/CN202807274U/en
Application granted granted Critical
Publication of CN202807274U publication Critical patent/CN202807274U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Landscapes

  • Closures For Containers (AREA)

Abstract

The utility model relates to a material subpackaging container which comprises an outer container and an inner container inside the outer container. A recess is arranged on each of an end cover and a bottom cover of the inner container, and protrusions which correspond to the recesses in position and are matched with the recesses in size are arranged on an end cover and a bottom cover of the outer container respectively. A vent hole is arranged on the end cover or bottom cover of the inner container, and a taper pin is sealed and welded in the vent hole by means of wire filling welding. The inner container and the outer container are combined excellently, and fixation of the inner container containing standard sample materials and close combination of the inner container with the outer container can be achieved effectively. Standard sample containers sealed by welding are subjected to leak detection at vacuum pressure of 1.3Pa by the aid of a helium mass spectrometer leak detection method, leak rate of each standard sample packaging container is lower than 1.0X10<-7>Pa m<3>/s, and sealing performance of the standard sample containers is proved to meet design requirements. By the aid of the structure of the vent hole and a wire filling welding method, the materials in the container are guaranteed not to be leaked.

Description

A kind of material separation container
Technical field
The utility model relates to a kind of material separation container, particularly relates to the packaging container of basic material in a kind of master sample.
Background technology
The finishing operation of preparation of standard sample need to be transferred to basic material in the packaging container.The basic material packaging container of mentioning in the external related standards sample preparation data mainly contains two kinds of structures, and two types packaging container is inside and outside double container structure, and container material quality is stainless steel material.
I type structure of container is simple, and processing is easy to assembly easily, no-float between the interior outer container, and endogenous pyrogen is difficult for rocking in outer container.But facts have proved that because interior outer container all adopts the helicitic texture sealing, material is encapsulated in the packaging container of the type, in long-term storage and use procedure, the material in the endogenous pyrogen can be revealed.Thereby adopt such packaging container safety and reliability lower.
II type packaging container adopts welding technology to realize the welded seal of container staving and container end, and weldment hermetically-sealed construction intensity is high, and safety and reliability is high, can prolong well the service life of master sample.But structure of container is comparatively complicated, and difficulty of processing is larger, fixes by center ring between the interior outer container.Staving is out of shape easily in container staving and the end cap welding process, and the processing request to center ring is just higher like this.
Therefore need badly and provide a kind of simple in structure, easily realize the material separation container of assembling between the interior outer container.
Summary of the invention
The technical problems to be solved in the utility model provides a kind of simple in structure, and safety and reliability is high, satisfies the material separation container of basic material long term storage in the master sample.
For solving the problems of the technologies described above, a kind of material separation container of the utility model, comprise outer layer container and the internal layer container that is positioned within the outer layer container, respectively be provided with a recess on the end cap of internal layer container and the bottom, the end cap of outer layer container and bottom are provided with the protuberance that mates with the recess location correspondingly-sized of internal layer container.
End cap or the bottom of internal layer container are provided with deflation hole, and the method sealing seam of the weldering that fills silk in the deflation hole has taper pin.
Deflation hole is truncated cone-shaped.
The tapering of truncated cone-shaped is 1:50.
Deflation hole is the structure of truncated cone-shaped and cylindrical combination, is truncated cone-shaped near internal layer container inside, and the diameter that cylindrical and truncated cone-shaped are less is connected, and the less diameter of columniform diameter and truncated cone-shaped is consistent.
The tapering of truncated cone-shaped is 1:50.
Outer layer container and internal layer container are made by the 304L corrosion-resistant steel.
The diameter tolerance of outer layer container and internal layer container is ± 0.05mm that wall thickness tolerance is ± 0.05mm that the evenness of wall thickness uncertainty is less than 0.3%.
The inside and outside layer of the utility model container combination is good, and the fixing and inside and outside container combination that can effectively solve the endogenous pyrogen that the standard specimen material is housed is problem closely.
Adopt Helium Leak Test, the standard specimen container that welded seal is good is hunted leak under the vacuum of 1.3Pa, and the leak rate of master sample packaging container all is lower than 1.0 * 10 -7Pam 3/ s illustrates that the sealing property of standard specimen container all meets design requirement.
The utility model adopts the exhaust pore structure and the method for the weldering that fills silk, and guarantees that material is not revealed in the container.
Description of drawings
Fig. 1 is the scheme drawing of material separation container provided by the utility model.
Fig. 2 is the scheme drawing of deflation hole and taper pin.
Among the figure: 1 is internal layer container, and 2 is outer layer container, and 3 is deflation hole, and 4 is taper pin.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is described in further detail.
The utility model comprises outer layer container 2 and internal layer container 1, respectively is provided with a recess on the end cap of internal layer container 1 and the bottom, and the end cap of outer layer container 2 and bottom are provided with the protuberance that mates with the recess location correspondingly-sized of internal layer container 1.Internal layer container 1 is positioned within the outer layer container, can realize between the two good fit, satisfy assembling after internal layer container 1 in outer layer container 2, do not rock.Outer layer container 2 is made by the 304L corrosion-resistant steel with internal layer container 1.Outer layer container 2 is ± 0.05mm that wall thickness tolerance is ± 0.05mm that the evenness of wall thickness uncertainty is less than 0.3% with the diameter tolerance of internal layer container 1.
After container upper end lid and the assembling of stainless steel thin-wall drum, carry out boxing in the barrel contact position.Can produce heat during the airtight container welding, the internal tank blanketing gas is met het expansion, can produce outside positive pressure.At the initialization phase of welding, this compressed gas can discharge by the slit between container end and the bucket wall.But when girth joint needed joint, seamless between container end and the staving, gas caused container internal pressure to increase rapidly because overflowing, and sprayed in container after causing internal tank gas to break through the solder joint molten metal.The gas of ejection can be taken the oxide powder of internal tank out of, causes container outer wall to pollute.In addition, welding process finishes, and after the molten metal cooling, the passage that originally sprayed gas just becomes an aperture that stays in welded joints, affects container sealing quality.In order to address this problem, be provided with deflation hole 3 at end cap or the bottom of internal layer container, deflation hole 3 is truncated cone-shaped, the tapering of truncated cone-shaped is 1:50.After end cap had welded, pressurization tightly embedded in the deflation hole taper pin, then on the dehiscing of 90 ° of deflation holes, adopted the method seam deflation hole 3 of the weldering that fills silk, and guaranteed that material is not revealed in the container.
In another embodiment of the utility model, difference is that deflation hole 3 is the structure of truncated cone-shaped and cylindrical combination, be truncated cone-shaped near internal layer container inside, the diameter that cylindrical and truncated cone-shaped are less is connected, and the less diameter of columniform diameter and truncated cone-shaped is consistent.The tapering of truncated cone-shaped is 1:50.
Adopt Helium Leak Test, the standard specimen container that welded seal is good is hunted leak under the vacuum of 1.3Pa, the results are shown in Table 1.
Table 1 master sample packaging container leak detection result
Can find out that from the leak detection result of table 1 leak rate of master sample packaging container all is lower than 1.0 * 10 -7Pam 3/ s illustrates that the sealing property of standard specimen container all meets design requirement.

Claims (8)

1. material separation container, comprise outer layer container and the internal layer container that is positioned within the described outer layer container, it is characterized in that: respectively be provided with a recess on the end cap of described internal layer container and the bottom, the end cap of described outer layer container and bottom are provided with the protuberance that mates with the recess location correspondingly-sized of described internal layer container.
2. a kind of material separation container according to claim 1, it is characterized in that: end cap or the bottom of internal layer container are provided with deflation hole, and the method sealing seam of the weldering that fills silk in the described deflation hole has taper pin.
3. a kind of material separation container according to claim 2, it is characterized in that: described deflation hole is truncated cone-shaped.
4. a kind of material separation container according to claim 3, it is characterized in that: the tapering of described truncated cone-shaped is 1:50.
5. a kind of material separation container according to claim 2, it is characterized in that: described deflation hole is the structure of truncated cone-shaped and cylindrical combination, close internal layer container inside is truncated cone-shaped, the less diameter of cylindrical and described truncated cone-shaped is connected, and the less diameter of columniform diameter and described truncated cone-shaped is consistent.
6. a kind of material separation container according to claim 5, it is characterized in that: the tapering of described truncated cone-shaped is 1:50.
7. a kind of material separation container according to claim 1, it is characterized in that: outer layer container and internal layer container are made by the 304L corrosion-resistant steel.
8. a kind of material separation container according to claim 1 is characterized in that: the diameter tolerance of described outer layer container and internal layer container is ± 0.05mm, and wall thickness tolerance is ± 0.05mm that the evenness of wall thickness uncertainty is less than 0.3%.
CN 201220368897 2012-07-27 2012-07-27 Material subpackaging container Expired - Lifetime CN202807274U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220368897 CN202807274U (en) 2012-07-27 2012-07-27 Material subpackaging container

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220368897 CN202807274U (en) 2012-07-27 2012-07-27 Material subpackaging container

Publications (1)

Publication Number Publication Date
CN202807274U true CN202807274U (en) 2013-03-20

Family

ID=47866198

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220368897 Expired - Lifetime CN202807274U (en) 2012-07-27 2012-07-27 Material subpackaging container

Country Status (1)

Country Link
CN (1) CN202807274U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105691905A (en) * 2016-01-25 2016-06-22 江西省科学院 Chemical barrel

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105691905A (en) * 2016-01-25 2016-06-22 江西省科学院 Chemical barrel

Similar Documents

Publication Publication Date Title
EP3175166B1 (en) Composite pressure tank boss mounting with pressure relief
CN102679554B (en) Inner container of electric water heater with single welding line
CN202807274U (en) Material subpackaging container
CN204740873U (en) Spherical nucleus fuel element transports storage container
CN202500675U (en) High-pressure-resistant starting box based on non-metallic capsule
CN205991321U (en) low-temperature storage tank
CN201530500U (en) Steel drum
CN209309306U (en) A kind of wedge-type seal structure for ultrahigh pressure vessel
CN209047837U (en) Container body and cool-bag
CN202749425U (en) Anti-blocking ultrasonic welding cylindrical lithium battery anti-explosion combined cap
CN104952503A (en) Spherical nuclear fuel element transportation container
CN108335762A (en) Reactor pressure vessel and supporting structure applied to reactor pressure vessel
CN105402596B (en) A kind of transferring device for the filling of satellite electric propulsion system xenon
CN103470950A (en) Manhole device of low temperature liquid storing and transporting container
CN109065190A (en) A kind of reactor pressure vessel integral head cover with inner platform
RU167124U1 (en) THIN-WALLED SEAMLESS LINER FOR COMPOSITE TANKS
CN104603518A (en) Pressurised fluid container and method for the production thereof
CN209747566U (en) Inner sealing end cover of battery capacitor
WO2018152915A1 (en) Light-weight and high-strength pressure-resistant type high pressure tank
CN202582839U (en) Vacuum cap used for detecting welding quality of containment vessel for nuclear power station
CN203258371U (en) Process manhole structure for deep-refrigeration pressure container
CN208457579U (en) A kind of shockproof explosion-protection equipment of gas cylinder
CN205595397U (en) Baffle of explosion -proof combined cover cap of cylinder type lithium cell
CN218914177U (en) Metal seal head for pipeline
CN208817078U (en) A kind of explosion-proof gas cylinder of anti-leak

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CX01 Expiry of patent term

Granted publication date: 20130320

CX01 Expiry of patent term