CN204345055U - A kind of stem guiding sealing configuration for bio-pharmaceuticals continuous sterilization sparger - Google Patents
A kind of stem guiding sealing configuration for bio-pharmaceuticals continuous sterilization sparger Download PDFInfo
- Publication number
- CN204345055U CN204345055U CN201420720131.2U CN201420720131U CN204345055U CN 204345055 U CN204345055 U CN 204345055U CN 201420720131 U CN201420720131 U CN 201420720131U CN 204345055 U CN204345055 U CN 204345055U
- Authority
- CN
- China
- Prior art keywords
- valve port
- sparger
- pharmaceuticals
- bio
- valve rod
- 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
Landscapes
- Lift Valve (AREA)
Abstract
The utility model discloses a kind of stem guiding sealing configuration for bio-pharmaceuticals continuous sterilization sparger, is fixed above it by gland nut and valve rod actuator, and below and sparger cavity are fixed.The actuate valve stem to-and-fro motion of valve rod actuator, guide sleeve makes the to-and-fro motion of valve rod relative valve port seat accurate, can not lateral impact nozzle.Adopt two general plug seal structure to connect steam tight chamber, ensure that reliability and the working life of valve stem seal.The utility model can be applicable to high-temperature steam medium valve rod aperture and controls occasion, the teflon material of guide sleeve and general plug envelope, solves the problem polluted because of slag bits.This stem guiding sealing configuration adopts guide structure and sealing configuration separate design, and accurately, sealing is reliable for guiding, and safety and sanitary are easy for installation, achieve accurate, reliable, the health that bio-pharmaceuticals continuous sterilization occasion steam flow controls.The utility model can be widely used in stem guiding and the sealing of food pharmaceutical field high-temperature steam.
Description
Technical field
The present invention relates to a kind of stem guiding sealing configuration for bio-pharmaceuticals continuous sterilization sparger, specifically refer to a kind of pilot seal structure of to-and-fro motion valve rod.
Background technique
In bio-pharmaceuticals continuous sterilization occasion, utilizing sparger to carry out quick continuous sterilization to feed liquid is a kind of novel process, and the stem guiding sealing configuration of current sparger is applied in field of biological pharmacy and needs perfect pointedly.Stem guiding aspect, in valve rod to-and-fro motion, when passing through the flow of nozzle to regulate high-temperature steam, often because valve rod to-and-fro motion guiding is inaccurate, makes valve rod lateral impact nozzle, causes steam flow control inaccurate and strong sound equipment and vibration occur.Valve stem seal aspect, valve rod sealing member does not usually reach usage requirement in the life-span of bio-pharmaceuticals continuous sterilization occasion.The material of Sealing is also because of release poisonous and harmful substance with produce slag bits when valve rod to-and-fro motion and cannot meet the sanitary grade requirement of bio-pharmaceuticals occasion.
Summary of the invention
For the problems referred to above, the utility model proposes one accurately to lead to valve rod, valve rod sealing member is in use without poisonous and harmful substance release, and produce without slag bits, seal durability meets the sparger valve rod pilot seal structure of bio-pharmaceuticals continuous sterilization application requirements.
A kind of stem guiding sealing configuration for bio-pharmaceuticals continuous sterilization sparger of the present invention, comprises valve rod, valve port seat, valve port pressing plate, gland nut, compression base plate, guide sleeve and general plug and seals.
Wherein, valve port seat hypomere stretches in sparger cavity, and fixes with sparger cavity.Valve port seat epimere and valve rod actuator are fixed.Valve port seat inside coaxially arranges valve rod; On valve rod, cover has polytetrafluoroethylmaterial material guide sleeve; Guide sleeve is spacing by direction under shoulder that valve port seat inwall designs.Valve rod upper end and valve rod final controlling element.Valve port compressing member is inserted on valve port seat top, fixing between valve port compressing member and valve port seat, makes valve port compressing member bottom hold out against guide sleeve; Described valve port seat interior lower end is provided with the general plug envelope of upper and lower two-layer polytetrafluoroethylmaterial material.
The invention has the advantages that:
(1) in the utility model stem guiding sealing configuration, guide sleeve and general plug envelope adopt teflon to be basic material, solve the pollution that slag bits pollute and General Purpose Rubber sealing material causes at hot environment release poisonous and harmful goods and materials that common graphite filler pilot seal structure causes;
(2) in the utility model stem guiding sealing configuration, do not need to add any lubricant oil or lubricating grease, that guide sleeve and general plug seal and between valve rod friction factor is low, and self-lubricating property is good, avoids common pilot seal structure and pollutes because of interpolation lubricant oil or lubricating grease;
(3) in the utility model stem guiding sealing configuration, the shaft hole matching of guide sleeve and valve rod and valve port seat designs, make guide sleeve can play the effect of accurate to-and-fro motion guiding to valve rod under the axial pressing force of valve port pressing plate, though solve common graphite filler guide structure as coordinated too tight guiding accurately, but to-and-fro motion resistance is large, as coordinated too, though pine to-and-fro motion is smooth and easy, and lead inaccurate contradiction;
(4), in the utility model stem guiding sealing configuration, two general plug seal structures ensure that reliability and the working life of valve stem seal.
Accompanying drawing explanation
Fig. 1 is the stem guiding sealing configuration sectional view of the utility model for bio-pharmaceuticals continuous sterilization sparger.
In figure:
1-valve rod 2-valve port seat 3-valve port compressing member 4-stud nut link
5-gland nut 6-compresses the general plug envelope of base plate 7-guide sleeve 8-
9-annular boss 10-screw 11-seal washer 12-pad
13-support ring 14-circlip 15-valve rod actuator 16-sparger cavity
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
The utility model is a kind of stem guiding sealing configuration for bio-pharmaceuticals continuous sterilization sparger, and its structural drawing as shown in Figure 1.Stem guiding sealing configuration of the present utility model is by valve rod 1, valve port seat 2, valve port pressing plate 3, stud nut link 4, gland nut 5, compression base plate 6, guide sleeve 7 and general plug envelope 8.Wherein, valve port seat 2, as the support of the utility model stem guiding sealing configuration and link, for tubular structure circumference has annular boss 9, is divided into epimere and hypomere by annular boss 9 by valve port seat 2.Valve port seat 2 hypomere stretches in sparger cavity 16, and annular boss 9 is coordinated with sparger cavity 16 end face circumference, and valve port seat 2 and sparger cavity 16 are coaxially fixed by the screw uniform by circumference.Meanwhile, between annular boss 9 and sparger cavity 16 end, be provided with the seal washer 11 that metal-ptfe composite makes seal; Pad 12 is set between screw 10 and annular boss 9.
Valve port seat 2 epimere cover has ring compression base plate 6, and valve port seat 2 epimere end, through valve rod actuator 15 center hole, makes compression base plate 6 be positioned between valve rod actuator 15 and annular boss 9; And valve port seat 2 epimere end circumference has external thread structure, be connected with the female thread structure of gland nut 5, by tightening gland nut 5, making valve rod actuator 15, compressing between compression base plate 6 and annular boss 9 three, realize fixing between valve port seat 2 and valve rod actuator 15.
Valve port seat 2 inside is designed to large diameter section A, little internal diameter section and large diameter section B from front to back successively; Valve rod 1 is coaxially arranged in valve port seat 2, makes to have gap between valve rod 1 and little internal diameter section inwall circumference.On valve rod 1, cover has guide sleeve 7, and guide sleeve 7 outer wall and large diameter section A inwall are fitted, and can realize the radial location of valve rod 1 in valve port seat 2 by guide sleeve 7.Valve rod 1 upper end is designed with screw, and the transmission segment of valve rod final controlling element is connected with valve rod 1 by screw, to realize the to-and-fro motion of valve rod 1; Meanwhile, guide sleeve 7 and the outer wall of valve rod 1 and the large diameter section A inwall of valve port seat 2 coordinate the job requirement reaching applicable bio-pharmaceuticals continuous sterilization, make valve rod 1 under the effect of guide sleeve 7, to-and-fro motion is accurately smooth and easy.Described guide sleeve 7 basic material is teflon, without the need to adding any lubricant oil or lubricating grease within working life, can not produce slag bits, can not discharge poisonous and harmful substance.Guide sleeve 7 realizes the spacing of lower direction by the annular shoulder of large diameter section A and the intersegmental formation of little internal diameter.On guide sleeve 7, the valve port compressing member 3 that is located through in direction realizes.Valve port compressing member 3 is tubular structure, and top circumference has flange; Valve port compressing member 3 is inserted in valve port seat 2 by valve port seat 2 top, and realizes the compression of valve port compressing member 3 by the uniform stud nut link 4 of circumference, makes valve port compressing member 3 bottom hold out against guide sleeve 7, realizes the location of guide sleeve 7 in valve port seat 2.In above-mentioned stud nut link 4, stud one end is connected with compression base plate through valve port compressing member, and stud the other end threaded coupling nut compresses valve port compressing member 3 by fastening nut.
Be provided with upper and lower two-layer general plug envelope 8 in described large diameter section B, be all enclosed within valve rod 1.The below of the general plug envelope 8 of lower floor connects steam tight chamber; And the lip seal limit of two general plug envelopes 8 is arranged all downwards; Above-mentioned two general plug envelopes 8 are the general plug envelope of U-shaped skeleton that specification is identical, and its elastic u-shaped skeletal structure can make lip seal limit be close to valve rod 1 and valve port seat 2 all the time in length of life, and sealing sealing property is excellent; The basic material of two general plug envelopes 8 is teflon, and friction factor is low, and self-lubricating property is good, without the need to adding lubricant oil or lubricating grease, can not produce slag bits, can not discharge poisonous and harmful substance.Being provided with cross section between above-mentioned upper strata general plug envelope 8 and lower floor's general plug envelope 8 is T-shaped support ring 13; Support ring 13 bottom surface and lower floor general plug envelope 8 top circumference is fitted; Between the lip seal limit lip of vertical ring surface and the general plug envelope 8 in upper strata, circumference coordinates, in insertion lip.Thus, directly oppress the lip seal limit of the general plug envelope 8 in upper strata by the top of lower floor's general plug envelope 8 of avoiding of support ring 13, and affect the sealability of the general plug envelope 8 in upper strata.Realize, to the support of the general plug envelope 8 in upper strata, preventing in the course of the work by support ring 13, lower floor's general plug envelope 8 enters in the lip of the general plug envelope 8 in upper strata.General plug envelope 8 top, upper strata and the shoulder formed between reduced diameter section and enlarged diameter section B are fitted, and realize direction in two-layer annular general plug envelope 8 spacing.The general plug envelope 8 of lower floor, by installing circlip 14 in enlarged diameter section B, makes to fit bottom circlip 14 and the general plug envelope 8 of lower floor, realizes the spacing of two-layer general plug envelope 8 times directions.Thus, by bilayer general plug envelope 8 structure, ensure that the reliability that valve rod 1 seals and working life.When the high temperature saturated vapour of certain pressure enters sparger cavity 16, the pressure of high temperature saturated vapour acts on the lip opening end of the general plug envelope 8 of lower floor, coordinates the U-shaped skeleton of lower floor's general plug envelope 8, makes lip be close to valve rod 1 and valve port seat 2, realize sealing function.If the general plug envelope 8 of lower floor lost efficacy, then the general plug in upper strata envelope 8 was by identical working principle, still can play the effect of sealing.
Stem guiding sealing configuration of the present utility model can be applicable to high-temperature steam medium valve rod aperture and controls occasion, valve rod actuator 15 actuate valve stem 1 to-and-fro motion, and guide sleeve 7 makes valve rod 1, and valve port seat 2 to-and-fro motion is accurate relatively, can not lateral impact nozzle.The teflon material of guide sleeve 7 and general plug envelope 8, solves the problem polluted because of slag bits.Two general plug envelope 8 structure ensure that the reliability that valve rod 1 seals and working life.This stem guiding sealing configuration adopts guide structure and sealing configuration separate design, and accurately, sealing is reliable for guiding, and safety and sanitary are easy for installation, achieve accurate, reliable, the health that bio-pharmaceuticals continuous sterilization occasion steam flow controls.The utility model can be widely used in stem guiding and the sealing of food pharmaceutical field high-temperature steam.
Claims (10)
1. for a stem guiding sealing configuration for bio-pharmaceuticals continuous sterilization sparger, it is characterized in that: comprise valve rod, valve port seat, valve port pressing plate, gland nut, compression base plate, guide sleeve and general plug and seal;
Wherein, valve port seat hypomere stretches in sparger cavity, and fixes with sparger cavity; Valve port seat epimere and valve rod actuator are fixed; Valve port seat inside coaxially arranges valve rod; On valve rod, cover has guide sleeve; Guide sleeve is spacing by direction under shoulder that valve port seat inwall designs; Valve rod upper end and valve rod final controlling element; Valve port compressing member is inserted on valve port seat top, fixing between valve port compressing member and valve port seat, makes valve port compressing member bottom hold out against guide sleeve; Described valve port seat interior lower end is provided with upper and lower two-layer general plug envelope.
2. a kind of stem guiding sealing configuration for bio-pharmaceuticals continuous sterilization sparger as claimed in claim 1, is characterized in that: the seal washer arranged between described valve port seat and sparger cavity seals.
3. a kind of stem guiding sealing configuration for bio-pharmaceuticals continuous sterilization sparger as claimed in claim 2, is characterized in that: described seal washer adopts metal-ptfe composite.
4. a kind of stem guiding sealing configuration for bio-pharmaceuticals continuous sterilization sparger as claimed in claim 1, it is characterized in that: the means of fixation between described valve port seat epimere and valve rod actuator is: valve port seat epimere end is through valve rod actuator center hole, and valve port seat epimere end thread connects gland nut.
5. a kind of stem guiding sealing configuration for bio-pharmaceuticals continuous sterilization sparger as claimed in claim 1, is characterized in that: described guide sleeve basic material is teflon.
6. a kind of stem guiding sealing configuration for bio-pharmaceuticals continuous sterilization sparger as claimed in claim 1, it is characterized in that: the means of fixation between described valve port compressing member and valve port seat is: on valve port seat, cover has compression base plate, compress base plate and be positioned between annular boss that valve rod actuator and valve port seat circumference design; Valve port compressing member circumference is designed with flange simultaneously, is connected through flange by the stud one end in bolt and nut component with compression base plate, and stud the other end threaded coupling nut, compresses valve port compressing member by fastening nut.
7. a kind of stem guiding sealing configuration for bio-pharmaceuticals continuous sterilization sparger as claimed in claim 1, is characterized in that: the basic material of described general plug envelope is teflon.
8. a kind of stem guiding sealing configuration for bio-pharmaceuticals continuous sterilization sparger as claimed in claim 1, is characterized in that: be provided with cross section support ring between described upper and lower two-layer general plug envelope.
9. a kind of stem guiding sealing configuration for bio-pharmaceuticals continuous sterilization sparger as claimed in claim 8, is characterized in that: described support ring cross section is T-shaped, and the general plug in bottom surface and the lower floor portion's circumference that binds is fitted; Vertical ring surface and upper strata be general fills in circumference between the lip seal limit lip that seals and coordinates, in insertion lip.
10. a kind of stem guiding sealing configuration for bio-pharmaceuticals continuous sterilization sparger as claimed in claim 1, it is characterized in that: in described upper and lower two-layer general plug envelope, the general plug in the upper strata shoulder that portion and valve port seat inwall design that binds is fitted, and the circlip installed in the general plug envelope of lower floor and valve port seat is fitted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420720131.2U CN204345055U (en) | 2014-11-26 | 2014-11-26 | A kind of stem guiding sealing configuration for bio-pharmaceuticals continuous sterilization sparger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420720131.2U CN204345055U (en) | 2014-11-26 | 2014-11-26 | A kind of stem guiding sealing configuration for bio-pharmaceuticals continuous sterilization sparger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204345055U true CN204345055U (en) | 2015-05-20 |
Family
ID=53228323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420720131.2U Expired - Fee Related CN204345055U (en) | 2014-11-26 | 2014-11-26 | A kind of stem guiding sealing configuration for bio-pharmaceuticals continuous sterilization sparger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204345055U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112178210A (en) * | 2020-09-03 | 2021-01-05 | 湖北三江航天红峰控制有限公司 | Ultralow-temperature pneumatic stop valve |
| CN113154448A (en) * | 2021-04-30 | 2021-07-23 | 西安航天动力研究所 | Device for fuel injection and flame stabilization of supersonic combustion chamber of ramjet engine |
-
2014
- 2014-11-26 CN CN201420720131.2U patent/CN204345055U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112178210A (en) * | 2020-09-03 | 2021-01-05 | 湖北三江航天红峰控制有限公司 | Ultralow-temperature pneumatic stop valve |
| CN112178210B (en) * | 2020-09-03 | 2022-12-23 | 湖北三江航天红峰控制有限公司 | Ultralow-temperature pneumatic stop valve |
| CN113154448A (en) * | 2021-04-30 | 2021-07-23 | 西安航天动力研究所 | Device for fuel injection and flame stabilization of supersonic combustion chamber of ramjet engine |
| CN113154448B (en) * | 2021-04-30 | 2022-07-19 | 西安航天动力研究所 | Device for fuel injection and flame stabilization of supersonic combustion chamber of ramjet engine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201723769U (en) | Valve seat two-way sealing ball valve | |
| CN105736713A (en) | Valve element assembly and stop valve | |
| CN204345055U (en) | A kind of stem guiding sealing configuration for bio-pharmaceuticals continuous sterilization sparger | |
| CN105089538A (en) | Sealing structure of rod oil producing wellhead polish rod | |
| WO2016004796A1 (en) | Self-lubricating oil-pumping polished rod following sealer | |
| CN209444787U (en) | The gearbox of adjustable sealing structure | |
| CN203477332U (en) | Self-sealing stop valve | |
| RU160956U1 (en) | Wedge Gate Valve | |
| CN204004755U (en) | A kind of filler auto-compensation stop valve | |
| CN207213190U (en) | A kind of stop valve with sampler | |
| CN207177799U (en) | Oil pumper Universal sealed component | |
| CN205001648U (en) | Valve bonnet and valve stem sealing structure | |
| CN205781017U (en) | A kind of full welding heat supply ball valve | |
| CN2695724Y (en) | annular sealing device | |
| CN103982675A (en) | All-welded hard-sealing ball valve | |
| CN204283509U (en) | A kind of steam valve for steam turbine | |
| CN205331451U (en) | Eccentric butterfly valve structure with from compensation function | |
| CN202867845U (en) | Mechanical seal transmission device with shaft seal | |
| CN103670321A (en) | Manual operation flashboard type sucker rod blowout preventer | |
| CN204754851U (en) | Wear -resisting packing box of tuningout | |
| CN203627871U (en) | Double-nut straight-pipe threaded ball valve | |
| CN204042301U (en) | For the joint connection of automobile pipeline | |
| CN203421277U (en) | Sealing mechanism of valve | |
| CN103603994B (en) | A kind of double-eccentric ultralow temperature butterfly valve | |
| CN103925397B (en) | A kind of super-pressure greasing joint |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150520 Termination date: 20181126 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |