CN103537328B - Fluorine reagent storing and fetching device - Google Patents
Fluorine reagent storing and fetching device Download PDFInfo
- Publication number
- CN103537328B CN103537328B CN201210517895.7A CN201210517895A CN103537328B CN 103537328 B CN103537328 B CN 103537328B CN 201210517895 A CN201210517895 A CN 201210517895A CN 103537328 B CN103537328 B CN 103537328B
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- CN
- China
- Prior art keywords
- top cover
- flange
- fluorine reagent
- memory access
- tube body
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Abstract
The invention discloses a fluorine reagent storing and fetching device which comprises a tube body (1) and a top cover (2), wherein a connecting tube (6) is arranged on the upper surface of the top cover, a through hole (7) is formed in the center of the top cover, one end of the through hole is communicated with the connecting pipe (6), and the other end of the through hole is communicated with the inside of the tube body. In addition, the fluorine reagent storing and fetching device further comprises a lower flange (3) and an upper flange (4), wherein an annular groove (8) is formed in the lower surface of the top cover (2), a tube opening of the tube body (1) is inserted into the annular groove, a flange (9) is arranged at the periphery of the tube opening of the tube body (1), the lower flange is clamped at the lower side of the flange, the upper flange is clamped at the upper side of the top cover (2), and the lower flange and the upper flange are connected through a fastening member (5) so that the top cover (2) is compacted on the tube body (1). In the technical scheme, the tube opening of the tube body (1) is inserted in the annular groove (8) in the lower surface of the top cover (2), thus the top cover (2) can be very conveniently compacted on the tube body (1), and reliable sealing between the top cover and the tube body can be ensured, and thus a fluorine reagent is prevented from leaking.
Description
Technical field
The present invention relates to a kind of fluorine reagent memory access.
Background technology
BPF (BrF
5), bromine trifluoride (BrF
3) etc., must use in a lot of chemical experiments.They are weak yellow liquid at normal temperatures, have certain vapour pressure; Belong to strong oxidizer, can react with nearly all metal.When exposing air, actuatable plant generation toxic reaction.Such as, to BrF
5the experiment of toxicity shows, its liquid or gas are woven with serious corrosiveness to animal groups, can cause blindness and ulcer.The major injury that liver, kidney and respiratory apparatus appear with it in the 0.1ppm animal of limiting the quantity more than concentration is in for a long time at some.If concentration is more than 50ppm, in 2 hours, caused death at 30 minutes.
The purity of fluorine reagent, determines the accuracy of experimental data.Commercially available BrF
5purity general about 85%, with the accumulating of 5-10L steel cylinder, although BrF
5can react with inner wall of steel cylinder, but the fluorinated film that itself and metal reaction are formed, continuation reaction speed can be slowed down.During use must in vacuum system purifying repeatedly, remove wherein impurity component, reach the usable concentration of 98%.
Current reagent container adopts corrosion resistant metallic nickel, is processed into test tube shape, and steel flange of joining suitable for reading is connected with experimental system.The defect of this design is:
The reaction (though there is the protection of fluorinated film, energy slowed down reaction speed) of the reagent that 1, purifying is good and canister and metal flange, can cause reagent contamination, purity declines, and needs purifying before each use.
2, contact for a long time with metal flange, can cause flange corrosion, reagent seepage, works the mischief.
3, the change of the consumption of reagent, storage and purity cannot be observed.
Summary of the invention
The object of this invention is to provide a kind of novel fluorine reagent memory access, its structure is simple, uses reliable, and fluorine reagent access is quick.
For achieving the above object, the invention provides a kind of fluorine reagent memory access, comprise body and top cover, the upper surface of this top cover has tube connector, the center of this top cover has through hole, one end of this through hole communicates with described tube connector, the other end communicates with the inside of described body, described fluorine reagent memory access also comprises lower flange and upper flange, the lower surface of described top cover has annular groove, the mouth of pipe of described body inserts in described annular groove, the periphery of the mouth of pipe of described body has flange, described lower flange is connected to the downside of described flange, described upper flange is connected to the upside of described top cover, described lower flange and upper flange are connected by securing member to be pressed on described body by described top cover.
Preferably, between the upper surface of described flange and the lower surface of described top cover, there is gap.
Preferably, the external diameter of described flange is identical with the external diameter of the lower surface of described top cover.
Preferably, described upper flange coordinates with described top cover seam.
Preferably, described body is made up of polytrifluorochloroethylene.
Preferably, described top cover is made up of polytetrafluoroethylene (PTFE).
Preferably, described lower flange and upper flange are made up of stainless steel or aluminium alloy.
Preferably, described securing member is bolt or screw.
In technique scheme, the mouth of pipe of body is inserted in the annular groove on top cover lower surface, then gives fastening by lower flange and upper flange, can easily top cover is pressed on body, and positiver sealing therebetween can be ensured, prevent fluorine reagent from leaking.
Other features and advantages of the present invention are described in detail in detailed description of the invention part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for description, is used from explanation the present invention, but is not construed as limiting the invention with detailed description of the invention one below.In the accompanying drawings:
Fig. 1 is the schematic cross sectional view of the fluorine reagent memory access according to one embodiment of the present invention.
Fig. 2 is the exploded view of Fig. 1.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.Should be understood that, detailed description of the invention described herein, only for instruction and explanation of the present invention, is not limited to the present invention.
In the present invention, when not doing contrary explanation, the noun of locality of use as upper and lower be for the direction of accompanying drawing as shown in Fig. 1, namely in Fig. 1, the top of accompanying drawing is upper, under below is.
As depicted in figs. 1 and 2, according to one embodiment of the present invention, a kind of fluorine reagent memory access is provided, comprise body 1 and top cover 2, the upper surface of this top cover 2 has tube connector 6, the center of this top cover 2 has through hole 7, and one end of this through hole 7 communicates with described tube connector 6, and the other end communicates with the inside of described body 1.In addition, described fluorine reagent memory access also comprises lower flange 3 and upper flange 4, the lower surface of described top cover 2 has annular groove 8, the mouth of pipe of described body 1 inserts in described annular groove 8, the periphery of the mouth of pipe of described body 1 has flange 9, described lower flange 3 is connected to the downside of described flange 9, and described upper flange 4 is connected to the upside of described top cover 2, and described lower flange 3 and upper flange 4 are connected by securing member 5 to be pressed on described body 1 by described top cover 2.
In technique scheme, the mouth of pipe of body 1 is inserted in the annular groove 8 on top cover 2 lower surface, then gives fastening by lower flange 3 and upper flange 4, can easily top cover 2 is pressed on body 1, and positiver sealing therebetween can be ensured, prevent fluorine reagent from leaking.
Preferably, as depicted in figs. 1 and 2, between the upper surface of described flange 9 and the lower surface of described top cover 2, there is certain gap.In other words, the length of mouth of pipe end face distance flange 9 upper surface of body 1, slightly larger than the degree of depth of annular groove 8 on top cover 2 lower surface, can ensure compression seal and the steadiness of the two assembling thus.In addition, the external diameter of described flange 9 is identical with the external diameter of the lower surface of described top cover 2, is conducive to the processing and manufacturing of product.
In addition, as depicted in figs. 1 and 2, described upper flange 4 coordinates with described top cover 2 seam.Particularly, the upper surface of top cover 2 is formed as the step surface that centre projects upwards peripheral recesses, and upper flange 4 is formed as around outstanding umbilicate step surface downwards, the two form fit, thus form a kind of seam and coordinate, be conducive to accurate location therebetween and be firmly connected.
Preferably, described body 1 can be made up of polytrifluorochloroethylene.Polytrifluorochloroethylene (PCTFE) is the material that a kind of corrosion-resistant, high rigidity and light transmission are good, uses this material to obtain body 1, and fluorine reagent can be avoided as much as possible to corrode the inner surface of body 1 and cause fluorine reagent to pollute.Further, because this material has good light transmission, the storage situation of fluorine reagent in body 1 can therefore be observed at any time.
Described top cover 2 is preferably made up of polytetrafluoroethylene (PTFE) (PTFE).Polytetrafluoroethylene (PTFE) is corrosion-resistant and have certain elasticity, therefore can prevent fluorine reagent from corroding the inner surface of top cover 2 and causing fluorine reagent to pollute.In addition, because polytetrafluoroethylene (PTFE) has certain elasticity, when therefore the mouth of pipe of body 1 being inserted in the annular groove 8 on top cover 2 lower surface, by being fastenedly connected between lower flange 3 and upper flange 4, the elasticity of top cover 2 can be utilized, top cover 2 is pressed on body 1 tightly, effectively prevent the leakage of fluorine reagent in body 1.
Described lower flange 3 and upper flange 4 are preferably made up of stainless steel or aluminium alloy, to meet certain requirement of strength.
In addition, the securing member 5 for connecting lower flange 3 and upper flange 4 generally can adopt bolt or screw.
When storing fluorine reagent, the tube connector 6 on the top cover 2 of fluorine reagent memory access of the present invention is connected teflon valve, and this valve is connected with the vacuum pipe of experimental system.By switch valve, fluorine reagent memory access is evacuated to more than 0.005Pa, then body 1 is overlapped liquid nitrogen cold trap, fluorine reagent good for purifying is slowly transferred in fluorine reagent memory access, last valve-off.
When using fluorine reagent, can be at normal temperatures, experimental system is evacuated to more than 0.005Pa, open teflon valve, because fluorine reagent has certain vapour pressure (being 328.3mmHg or 43762.4Pa when 20 DEG C) at normal temperatures, fluorine reagent steam can be diffused in the batcher preset in experimental system, last valve-off.
Below the preferred embodiment of the present invention is described in detail by reference to the accompanying drawings; but; the present invention is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition, each the concrete technical characteristic described in above-mentioned detailed description of the invention, in reconcilable situation, can be combined by any suitable mode.In order to avoid unnecessary repetition, the present invention illustrates no longer separately to various possible combination.
In addition, also can be combined between various different embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (5)
1. a fluorine reagent memory access, comprise body (1) and top cover (2), the upper surface of this top cover (2) has tube connector (6), the center of this top cover (2) has through hole (7), one end of this through hole (7) communicates with described tube connector (6), the other end communicates with the inside of described body (1), it is characterized in that, described fluorine reagent memory access also comprises lower flange (3) and upper flange (4), the lower surface of described top cover (2) has annular groove (8), the mouth of pipe of described body (1) inserts in described annular groove (8), the periphery of the mouth of pipe of described body (1) has flange (9), described lower flange (3) is connected to the downside of described flange (9), described upper flange (4) is connected to the upside of described top cover (2), described lower flange (3) and upper flange (4) are connected to be pressed on described body (1) by described top cover (2) by securing member (5), and between the lower surface of the upper surface of described flange (9) and described top cover (2), there is gap, described body (1) is made up of polytrifluorochloroethylene, described top cover (2) is made up of polytetrafluoroethylene (PTFE).
2. fluorine reagent memory access according to claim 1, is characterized in that, the external diameter of described flange (9) is identical with the external diameter of the lower surface of described top cover (2).
3. fluorine reagent memory access according to claim 1, is characterized in that, described upper flange (4) coordinates with described top cover (2) seam.
4. fluorine reagent memory access according to claim 1, is characterized in that, described lower flange (3) and upper flange (4) are made up of stainless steel or aluminium alloy.
5. fluorine reagent memory access according to claim 1, is characterized in that, described securing member (5) is bolt or screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210517895.7A CN103537328B (en) | 2012-12-06 | 2012-12-06 | Fluorine reagent storing and fetching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210517895.7A CN103537328B (en) | 2012-12-06 | 2012-12-06 | Fluorine reagent storing and fetching device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103537328A CN103537328A (en) | 2014-01-29 |
| CN103537328B true CN103537328B (en) | 2015-05-20 |
Family
ID=49961411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210517895.7A Expired - Fee Related CN103537328B (en) | 2012-12-06 | 2012-12-06 | Fluorine reagent storing and fetching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103537328B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2466472Y (en) * | 2000-08-15 | 2001-12-19 | 中外合资贵州凯撒铝业有限公司 | Cutting ferrule type quick-mounting flange for pipeline |
| CN2873303Y (en) * | 2006-01-25 | 2007-02-28 | 武汉理工大学 | Sealed extruding type anti-alkaline and anti-corrosion dripping bottle |
| KR20100120278A (en) * | 2010-10-28 | 2010-11-15 | 염성희 | Transport medium vessel |
| CN202089814U (en) * | 2010-07-16 | 2011-12-28 | 中国科学院地质与地球物理研究所 | Innocuous treatment device for toxic fluoride waste liquid |
| CN102658220A (en) * | 2012-05-14 | 2012-09-12 | 陆胜龙 | Reagent bottle provided with blue cap and capable of quickly fixing volume |
-
2012
- 2012-12-06 CN CN201210517895.7A patent/CN103537328B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2466472Y (en) * | 2000-08-15 | 2001-12-19 | 中外合资贵州凯撒铝业有限公司 | Cutting ferrule type quick-mounting flange for pipeline |
| CN2873303Y (en) * | 2006-01-25 | 2007-02-28 | 武汉理工大学 | Sealed extruding type anti-alkaline and anti-corrosion dripping bottle |
| CN202089814U (en) * | 2010-07-16 | 2011-12-28 | 中国科学院地质与地球物理研究所 | Innocuous treatment device for toxic fluoride waste liquid |
| KR20100120278A (en) * | 2010-10-28 | 2010-11-15 | 염성희 | Transport medium vessel |
| CN102658220A (en) * | 2012-05-14 | 2012-09-12 | 陆胜龙 | Reagent bottle provided with blue cap and capable of quickly fixing volume |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103537328A (en) | 2014-01-29 |
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Granted publication date: 20150520 Termination date: 20211206 |