CN206296087U - A kind of centrifuge feed pipe tight anti-explosion structure - Google Patents
A kind of centrifuge feed pipe tight anti-explosion structure Download PDFInfo
- Publication number
- CN206296087U CN206296087U CN201621322257.XU CN201621322257U CN206296087U CN 206296087 U CN206296087 U CN 206296087U CN 201621322257 U CN201621322257 U CN 201621322257U CN 206296087 U CN206296087 U CN 206296087U
- Authority
- CN
- China
- Prior art keywords
- seal receptacle
- sealing shroud
- feed pipe
- graphite annulus
- sealing
- 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 - Fee Related
Links
Abstract
The utility model is related to a kind of centrifuge feed pipe tight anti-explosion structure, including：Simultaneously gap engagement sleeves are mounted in the sealing shroud on centrifuge feed pipe between centrifuge feed pipe and belt pulley, also include the seal receptacle coordinated with sealing shroud gap, movable sealing structure is set between the inwall of seal receptacle and the outer wall of sealing shroud, the movable sealing structure includes five groups of graphite annulus being sequentially placed between seal receptacle and sealing shroud, set between graphite annulus and connect stomata, for to introducing inert gas in the gap between sealing shroud and seal receptacle, being sealed to it；The edge outside of seal receptacle sets teflin ring, the teflin ring is along its circumferentially disposed boss, in the gap that the boss of teflin ring is placed between sealing shroud and seal receptacle during assembling, to increase the contact area of sealing shroud and teflin ring.
Description
Technical field
The utility model is related to water-tight equipment technical field, particularly a kind of centrifuge feed pipe tight anti-explosion structure.
Background technology
In some special chemical fields, such as liquid phase is that methyl alcohol, isopropanol and acetone belong to flammable and explosive substance, is selected
Horizontal screw centrifuge must possess closed air-tight structure, and inject inert gas leaked out with preventing the volatilization of solvent from
Outside scheming, while also intercept air entering inside centrifuge.
At present, the air-tight structure of small dimension horizontal spiral discharge sedimentation centrifuge generally selects mechanical seal, and if big
The air-tight structure of specification horizontal spiral discharge sedimentation centrifuge also selects mechanical seal, then inevitably result in complex structure, and
And axial dimension can be increased, the stability, reliability to centrifuge bring unfavorable.
Utility model content
The purpose of this utility model is to provide a kind of horizontal spiral discharge sedimentation centrifuge tight anti-explosion structure, can not only
The volatilization for enough playing a part of to prevent solvent leaks out centrifuge outside and intercepts air and enters inside centrifuge, and structure letter
It is single, the stability of centrifuge and reliability will not be impacted.
To reach above-mentioned purpose, the centrifuge feed pipe tight anti-explosion structure that the utility model is provided, including：Positioned at centrifugation
Simultaneously gap engagement sleeves are mounted in the sealing shroud on centrifuge feed pipe, the sealing shroud fixed installation between machine feed pipe and belt pulley
On the belt pulley, also including the seal receptacle coordinated with the sealing shroud gap, the inwall of the seal receptacle and the sealing
Movable sealing structure is set between the outer wall of set, the movable sealing structure includes be sequentially placed between seal receptacle and the sealing shroud the
One graphite annulus, the second graphite annulus, the 3rd graphite annulus, the 4th graphite annulus, the 5th graphite annulus, set on the inwall of the seal receptacle and use
In spacing annular groove is carried out to each graphite annulus, first is additionally provided with the seal receptacle and is connect stomata, second connect stomata, described
One connects stomata is placed between second graphite annulus and the 3rd graphite annulus, described second connect stomata be placed in the 4th graphite annulus with
Between 5th graphite annulus, for introducing inert gas in the gap between sealing shroud and seal receptacle, being sealed to it；It is described
The edge outside of seal receptacle sets teflin ring, and the teflin ring is along its circumferentially disposed boss, assembling
In the gap that the boss of Shi Suoshu teflin rings is placed between the sealing shroud and seal receptacle, with increase sealing shroud with
The contact area of the teflin ring, extends its service life.
Further, the teflin ring is fixedly linked through pressure ring, screw and the seal receptacle, for sealing
Set and seal receptacle are sealed.
Further, adapter sleeve is additionally provided with the feed pipe, the end of the seal receptacle is fixedly installed connecting seat, the connection
Cover for seat is connected on the adapter sleeve, and rubber ring is set between the adapter sleeve and connecting seat, to ensure sealing effectiveness.
The technique effect of utility model：（1）Centrifuge feed pipe tight anti-explosion structure of the present utility model, relative to existing
Technology, sets five groups of graphite annulus between seal receptacle and sealing shroud, inert gas is passed through by the stomata that connects between graphite annulus, can be true
Confidential letter effect；（2）The circumferential boss of teflin ring is additionally provided with gap between sealing shroud and seal receptacle, can be with
Increase the contact area of teflin ring and sealing shroud, extend its service life, while increasing sealing effectiveness.
Brief description of the drawings
The utility model is described in further detail with reference to Figure of description：
Fig. 1 is the sectional view of centrifuge feed pipe tight anti-explosion structure of the present utility model；
Fig. 2 is the partial enlarged drawing of centrifuge feed pipe tight anti-explosion structure of the present utility model.
In figure：Feed pipe 1, belt pulley 2, sealing shroud 3, adapter sleeve 4, adapter sleeve end cap 5, seal receptacle 6, connecting seat 8, first
Graphite annulus 81, the second graphite annulus 82, the 3rd graphite annulus 83, the 4th graphite annulus 84, the 5th graphite annulus 85, first connects stomata 86, the
Two connect stomata 87, teflin ring 88, pressure ring 89, rubber ring 9.
Specific embodiment
Embodiment 1 as shown in Figure 1 to Figure 2, the centrifuge feed pipe tight anti-explosion structure of the present embodiment, including centrifuge
Feed pipe 1, belt pulley 2, are socketed sealing shroud 3, between being left between the inwall of the sealing shroud 3 and the outer wall of feed pipe 1 on feed pipe 1
Gap, and sealing shroud 3 is fixedly mounted on belt pulley 2；The sealing shroud 3 is outer to be also socketed seal receptacle 6, the inwall of the seal receptacle 6 with it is close
The outer wall gap of big envelope 3 coordinates, and movable sealing structure 8, the dynamic sealing are set between the inwall of seal receptacle 6 and the outer wall of sealing shroud 3
Structure 8 includes the first graphite annulus 81, the second graphite annulus 82, the 3rd graphite annulus that are sequentially placed between seal receptacle 6 and sealing shroud 3
83rd, the 4th graphite annulus 84, the 5th graphite annulus 85, are provided for the first graphite annulus 81, the second graphite annulus on the inwall of seal receptacle 6
82nd, the 3rd graphite annulus 83, the 4th graphite annulus 84, the 5th graphite annulus 85 carry out 5 spacing annular grooves, are additionally provided with seal receptacle
First connects stomata 86, second connects stomata 87, and first connects stomata 86 is placed between the second graphite annulus 82 and the 3rd graphite annulus 83, and second
Connect stomata 87 to be placed between the 4th graphite annulus 84 and the 5th graphite annulus 85, in the gap between sealing shroud 3 and seal receptacle 6
Inert gas is introduced, it is sealed；The edge outside of seal receptacle 6 sets teflin ring 88, polytetrafluoroethylene (PTFE)
Sealing ring 88 is fixedly linked through pressure ring 89, screw and seal receptacle 6, the teflin ring 88 along its circumferentially disposed boss,
In the gap that the boss of teflin ring is placed between sealing shroud 3 and seal receptacle 6 during assembling, with increase sealing shroud 2 with
The contact area of teflin ring 88.Adapter sleeve 4 is additionally provided with feed pipe 1, the opposed outer ends of the adapter sleeve 4 are through even
Female connector end cap 5 is connected with feed pipe 1, and the end of seal receptacle 6 is fixedly installed connecting seat 7, and the connecting seat 7 is relative with adapter sleeve 4
Medial extremity socket coordinates, and rubber ring 9 is set between the outer wall of adapter sleeve 4 and the inwall of connecting seat 7, to ensure sealing effectiveness.
Obviously, above-described embodiment is only intended to clearly illustrate the utility model example, and is not to this reality
With the restriction of new implementation method.For those of ordinary skill in the field, may be used also on the basis of the above description
To make other changes in different forms.There is no need and unable to be exhaustive to all of implementation method.And these
Belong to obvious change or change still in protection domain of the present utility model that spirit of the present utility model amplifies out
Among.
Claims (3)
1. a kind of centrifuge feed pipe tight anti-explosion structure, it is characterised in that including：Positioned at centrifuge feed pipe（1）And belt
Disk（2）Between and gap engagement sleeves be mounted in centrifuge feed pipe（1）On sealing shroud（3）, the sealing shroud（3）It is fixedly mounted on
The belt pulley（2）On, also including with the sealing shroud（3）The seal receptacle that gap coordinates（6）, the seal receptacle（6）Inwall
With the sealing shroud（3）Outer wall between movable sealing structure is set（8）, the movable sealing structure（8）Including being sequentially placed into seal receptacle
（6）With the sealing shroud（3）Between the first graphite annulus（81）, the second graphite annulus（82）, the 3rd graphite annulus（83）, the 4th graphite
Ring（84）, the 5th graphite annulus（85）, the seal receptacle（6）On be additionally provided with first and connect stomata（86）, second connect stomata（87）, it is described
First connects stomata（86）It is placed in second graphite annulus（82）With the 3rd graphite annulus（83）Between, described second connects stomata（87）Put
In the 4th graphite annulus（84）With the 5th graphite annulus（85）Between；The seal receptacle（6）Edge outside set polytetrafluoroethyl-ne
Alkene sealing ring（88）, the teflin ring（88）Along its circumferentially disposed boss, teflon seal during assembling
Circle（88）Boss be placed in the sealing shroud（3）And seal receptacle（6）Between gap in.
2. centrifuge feed pipe tight anti-explosion structure according to claim 1, it is characterised in that the polytetrafluoroethylene (PTFE) is close
Seal（88）Through pressure ring（89）, screw and the seal receptacle（6）It is fixedly linked.
3. centrifuge feed pipe tight anti-explosion structure according to claim 2, it is characterised in that the feed pipe（1）On
It is additionally provided with adapter sleeve（4）, the seal receptacle（6）End connecting seat is fixedly installed（7）, the connecting seat（7）It is socketed in the company
Female connector（4）On, the adapter sleeve（4）With connecting seat（7）Between rubber ring is set（9）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621322257.XU CN206296087U (en) | 2016-12-05 | 2016-12-05 | A kind of centrifuge feed pipe tight anti-explosion structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621322257.XU CN206296087U (en) | 2016-12-05 | 2016-12-05 | A kind of centrifuge feed pipe tight anti-explosion structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206296087U true CN206296087U (en) | 2017-07-04 |
Family
ID=59212306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621322257.XU Expired - Fee Related CN206296087U (en) | 2016-12-05 | 2016-12-05 | A kind of centrifuge feed pipe tight anti-explosion structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206296087U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109654160A (en) * | 2019-01-16 | 2019-04-19 | 中国人民解放军海军工程大学 | A kind of multi stage resilient crossing cabin isolation mounting based on pneumatic tyre vibration damping |
-
2016
- 2016-12-05 CN CN201621322257.XU patent/CN206296087U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109654160A (en) * | 2019-01-16 | 2019-04-19 | 中国人民解放军海军工程大学 | A kind of multi stage resilient crossing cabin isolation mounting based on pneumatic tyre vibration damping |
| CN109654160B (en) * | 2019-01-16 | 2020-08-25 | 中国人民解放军海军工程大学 | Multistage elastic cabin-penetrating vibration isolation device based on pneumatic tire vibration reduction |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11325136B2 (en) | Seal assembly for a centrifugal separator | |
| JP4763920B2 (en) | Multistage shaft seal device | |
| CN206296087U (en) | A kind of centrifuge feed pipe tight anti-explosion structure | |
| CN101903110B (en) | Horizontal centrifugation apparatus | |
| JP2017523313A5 (en) | ||
| CN107504183B (en) | A kind of kettle stirring dry-type mechanical sealing device | |
| CN207351623U (en) | Auxiliary seal cushion rubber air tight test frock in a kind of aviation graphite grazing | |
| CN206738156U (en) | A kind of new No leakage roots blower sealing device | |
| CN205780885U (en) | From the Hydrodynamic-hydrostatic pressure combined liquid lubrication sealing device of drain | |
| CN105465373B (en) | A kind of high performance magnetic liquid sealing structure | |
| CN108506497B (en) | Plastic sealing ring and shutdown sealing device with same | |
| CN104785382B (en) | Horizontal spiral discharge sedimentation centrifuge tight anti-explosion structure | |
| CN205298032U (en) | High -speed low temperature pump seal structure | |
| CN108071806A (en) | Rotation axis liquid seal device | |
| CN101695686A (en) | Tight anti-explosion horizontal centrifuge | |
| CN110681498A (en) | Explosion-proof type decanter centrifuge based on carbocycle is sealed | |
| EP3234419B1 (en) | Radial seal and assembly | |
| CN203348085U (en) | Inner shaft seal of Roots vacuum pump | |
| CN203448194U (en) | Sealing device of centrifugal machine main shaft | |
| CN206257396U (en) | Positive pressure type pipeline sealing device | |
| CN212120402U (en) | Explosion-proof type decanter centrifuge based on carbocycle is sealed | |
| CN209325041U (en) | The main shaft sealing construction of centrifuge | |
| CN104454450A (en) | Packing device of chloroethylene gas compressor | |
| CN104204632A (en) | Internal cooling system for mechanical seals and use thereof | |
| CN201212558Y (en) | Leakage proof means |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170704 Termination date: 20211205 |