CN107228205A - The ceramic ball valve of high-efficiency anticorrosive - Google Patents
The ceramic ball valve of high-efficiency anticorrosive Download PDFInfo
- Publication number
- CN107228205A CN107228205A CN201710474440.4A CN201710474440A CN107228205A CN 107228205 A CN107228205 A CN 107228205A CN 201710474440 A CN201710474440 A CN 201710474440A CN 107228205 A CN107228205 A CN 107228205A
- Authority
- CN
- China
- Prior art keywords
- valve
- bonnet
- backing member
- valve body
- valve seat
- 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.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
- F16K5/0663—Packings
- F16K5/0689—Packings between housing and plug
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/08—Details
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Taps Or Cocks (AREA)
Abstract
The invention discloses a kind of ceramic ball valve of high-efficiency anticorrosive, including valve body, bonnet, valve seat, valve ball and valve rod, valve body, bonnet are made up of metal material, valve seat, valve ball are made up of ceramics, bonnet is assemblied on valve body, valve body is enclosed in valve seat, in bonnet, valve rod is fitted close with valve body by packing layer, and valve rod one end is connected with the valve ball being arranged in valve body, the bonnet backing member being made up of polytetrafluoroethylene (PTFE) is lined between valve seat and bonnet, the cylindrical structure of bonnet backing member, it is outer and interior be placed in bonnet that bonnet backing member is coated at valve seat.Bonnet backing member has completely cut off the contact of medium and metal bonnet and valve body, bonnet backing member, valve seat, the close contact of bonnet three, it ensure that sealing effectiveness, avoid seepage, efficiently prevent corrosion, it can apply in the environment of some strong corrosive fluid media, service life improved, with extremely strong corrosion resistance.
Description
Technical field
The present invention relates to valve technology field, especially a kind of ceramic ball valve.
Background technology
Ceramic ball valve is in addition to most advantages with metal ball-valve, with more superpower corrosion-resistant, wear-resistant, resistance to height
The advantages of temperature and erosion resistance.It is generally used for the various acid-alkali salts in the industries such as chemical industry, metallurgy, papermaking, electric power, medicine, environmental protection
Gas, liquid, high-temperature steam and slurry delivery system.Common ceramic ball valve valve seat, spheroid use ceramic material, and housing is used
Due to not taking reliable seal approach between metal material, and ceramic trim and metal shell, and for chemical industry
When, corrosive fluid medium can cause housing to be damaged, institute by sealing on the metal shell outside the improper gap intrusion left
Wear-resisting operating mode is only used for this structure, it is impossible to be used in deep-etching operating mode, using limited.
The content of the invention
The purpose of the present invention：In order to overcome the defect of prior art, the invention provides a kind of ceramics of high-efficiency anticorrosive
Ball valve, contact of the isolation strong corrosive fluid with metal shell.
Technical scheme：Including valve body, bonnet, valve seat, valve ball and valve rod, valve body, bonnet are by metal material
It is made, valve seat, valve ball are made up of ceramics, and bonnet is assemblied on valve body, valve body is enclosed in valve seat, in bonnet, valve rod leads to valve body
Packing layer tight fit is crossed, and valve rod one end is connected with the valve ball being arranged in valve body, is lined between valve seat and bonnet by gathering
The bonnet backing member that tetrafluoroethene is made, the cylindrical structure of bonnet backing member, it is outer and interior be placed on bonnet that bonnet backing member is coated at valve seat
Interior, inwall and the valve seat outer wall of bonnet backing member are in close contact, and outer wall and the bonnet inwall of bonnet backing member are in close contact.
Using above-mentioned technical proposal, the characteristics of polytetrafluoroethylene (PTFE) has high temperature resistant, antiacid alkali resistant, resists various organic solvents,
All solvents are practically insoluble in, bonnet backing member has completely cut off the contact of medium and metal bonnet and valve body, bonnet backing member, valve
Seat, the close contact of bonnet three, it is ensured that sealing effectiveness, it is to avoid seepage, efficiently prevent corrosion, can apply to some strong
In the environment of corrosive fluid medium, service life is improved, it is simple in construction, using multi-sealed with extremely strong corrosion resistance
Structure, it can be ensured that Korrosionsmedium will not be contacted with metal, it is ensured that corrosive fluid can not invade metal parts surface, meets
The sealing property that valve long period is used, so as to avoid because metal material is caused major safety risks by dielectric corrosion.
The further setting of the present invention：The close valve ball side of valve seat includes the step of annular, step and bonnet backing member
Medial surface offset setting.
Using above-mentioned further setting, step is set primarily to while being easily installed bonnet backing member, can consolidate again
Determine valve seat, be also prevented from the medium intrusion external metallization shell between valve ball and valve body, strengthen its sealing effectiveness.
The further setting of the present invention：Annular boss is provided with the outside of bonnet backing member, valve cover port is provided with and ring
The annular groove that shape boss coordinates.
Further set using above-mentioned, be easy to dismount bonnet backing member, make bonnet backing member that there is suitable position location.
The present invention's is further set again：The external diameter of step is less than or equal to the internal diameter of bonnet.
Further set again using above-mentioned, do not influenceing the effect of valve seat meanwhile, it is capable to after dismounting bonnet backing member, take
Lower valve base.
The present invention's is further set again：Valve body backing member is socketed with valve body, valve body backing member is coated at outside step.
Further set again using above-mentioned, valve body backing member completely cuts off contact of the medium with valve body, further ensures that its is efficient
Antiseptic property.
The present invention's is further set again：It is provided with the outer peripheral face of step and coordinate first close is sealed with valve body backing member
It is provided with seal, the medial surface of bonnet backing member and seals the second sealing ring coordinated with step, valve seat is close to the outer of valve cover port
It is provided with wall and seals the 3rd sealing ring coordinated with bonnet backing member.
Further set again using above-mentioned, the position of reasonable Arrangement sealing ring, the first sealing ring can completely cut off from valve
Medium intrusion between ball and valve body, the 3rd sealing ring can prevent medium from invading in the gap between valve seat and bonnet backing member,
Second sealing ring is completely cut off again to the medium in gap between intrusion valve seat and bonnet backing member, is prevented outside dielectric corrosion
Valve seat and bonnet.
The present invention's is further set again：Offer and be provided with seal groove, seal groove on the medial surface of bonnet backing member
Spring, spring and the second sealing ring offset setting.
Further set again using above-mentioned, strengthen sealing, it is ensured that ball valve it is safe and reliable.
Brief description of the drawings
Fig. 1 is the structural representation of the specific embodiment of the invention；
Wherein, valve body 1, bonnet 2, valve seat 3, valve ball 4, valve rod 5, packing layer 6, bonnet backing member 7, step 31, valve body backing member 11, ring
Shape boss 71, the first sealing ring 32, the second sealing ring 72, the 3rd sealing ring 33, spring 73.
Embodiment
The ceramic ball valve of high-efficiency anticorrosive as shown in Figure 1, including valve body 1, bonnet 2, valve seat 3, valve ball 4 and valve rod 5,
Valve body 1, bonnet 2 are made up of metal material, and valve seat 3, valve ball 4 are made up of ceramics, and bonnet 2 is assemblied on valve body 1, the inner sleeve of valve seat 3
In valve body 1, bonnet 2, valve rod 5 is fitted close with valve body 1 by packing layer 6, and the one end of valve rod 5 is with being arranged in valve body 1
Valve ball 3 connect, it is characterised in that：Provided with the bonnet backing member 7 being made up of polytetrafluoroethylene (PTFE) between valve seat 3 and bonnet 2, bonnet lining
The cylindrical structure of part 7, bonnet backing member 7 be coated at valve seat 3 it is outer and it is interior be placed in bonnet 2, inwall and the valve seat 3 of bonnet backing member 7
Outer wall is in close contact, and outer wall and the inwall of bonnet 2 of bonnet backing member 7 are in close contact, and the side of close valve ball 4 of valve seat 3 includes ring
The step 31 of shape, the medial surface of step 31 and bonnet backing member 7 is offseted setting, and valve body backing member 11, valve body backing member are socketed with valve body 1
11 are coated at outside step 31.Valve seat 3, the step 31 of valve seat 3, the three of valve body backing member 11 form the of dielectric corrosion metallic casing
One of defence line, the reasonable setting of bonnet backing member 11 can form second defence line, and double protection can efficiently take precautions against medium intrusion
Metal shell, can be widely used on chemical field.
The outside of bonnet backing member 7 be provided be provided with annular boss 71,2 mouthfuls of bonnet with annular boss coordinate it is annular recessed
Valve seat 3, during installation, is first installed on runner by groove, after by bonnet backing member 7 be mounted between bonnet 2 and valve seat 3.
The external diameter of step 31 is less than or equal to the internal diameter of bonnet 2, can also be by valve seat 3 so when bonnet backing member 7 is pulled down
Remove, maintenance easy to disassemble.
It is provided with the outer peripheral face of step 31 and seals the first sealing ring 32 coordinated with valve body backing member 11, bonnet backing member 7
It is provided with medial surface and seals the second sealing ring 72 coordinated with step 31, valve seat 3 is provided with the outer wall at 2 mouthfuls of bonnet
Seal to offer on the 3rd sealing ring 33 coordinated, the medial surface of bonnet backing member 7 in seal groove, seal groove with bonnet backing member 7 and pacify
Equipped with spring 73, the sealing ring 72 of spring 73 and second offsets setting, circumferentially more than four springs on the second sealing ring 72
73 are used to compress the second sealing ring 72.
Claims (7)
1. a kind of ceramic ball valve of high-efficiency anticorrosive, including valve body, bonnet, valve seat, valve ball and valve rod, the valve body, bonnet
It is made up of metal material, the valve seat, valve ball are made up of ceramics, the bonnet is assemblied on valve body, valve is enclosed in the valve seat
In body, bonnet, the valve rod is fitted close with valve body by packing layer, and valve rod one end and the valve ball that is arranged in valve body connect
Connect, it is characterised in that：Provided with the bonnet backing member being made up of polytetrafluoroethylene (PTFE) between the valve seat and bonnet, the bonnet backing member is in
It is columnar structured, the bonnet backing member be coated at valve seat it is outer and it is interior be placed in bonnet, outside the inwall and valve seat of the bonnet backing member
Wall is in close contact, and outer wall and the bonnet inwall of the bonnet backing member are in close contact.
2. the ceramic ball valve of high-efficiency anticorrosive according to claim 1, it is characterised in that：The close valve ball one of the valve seat
Side includes the step of annular, and the medial surface of the step and bonnet backing member offsets setting.
3. the ceramic ball valve of high-efficiency anticorrosive according to claim 1 or 2, it is characterised in that：The bonnet lining
Annular boss is provided with the outside of part, the valve cover port is provided with the annular groove coordinated with annular boss.
4. the ceramic ball valve of the high-efficiency anticorrosive according to Claims 2 or 3, it is characterised in that：The external diameter of the step is small
In or equal to bonnet internal diameter.
5. the ceramic ball valve of high-efficiency anticorrosive according to claim 4, it is characterised in that：Valve body is socketed with the valve body
Backing member, the valve body backing member is coated at outside step.
6. the ceramic ball valve of the high-efficiency anticorrosive according to claim 2 or 5, it is characterised in that：The outer peripheral face of the step
On be provided with and seal the first sealing ring coordinated with valve body backing member, be provided with the medial surface of the bonnet backing member and step sealed
The second sealing ring coordinated, the valve seat is provided with the outer wall of valve cover port and coordinate the 3rd close is sealed with bonnet backing member
Seal.
7. the ceramic ball valve of high-efficiency anticorrosive according to claim 6, it is characterised in that：The medial surface of the bonnet backing member
On offer spring be installed in seal groove, seal groove, the spring and the second sealing ring offset setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710474440.4A CN107228205A (en) | 2017-06-21 | 2017-06-21 | The ceramic ball valve of high-efficiency anticorrosive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710474440.4A CN107228205A (en) | 2017-06-21 | 2017-06-21 | The ceramic ball valve of high-efficiency anticorrosive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107228205A true CN107228205A (en) | 2017-10-03 |
Family
ID=59935049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710474440.4A Pending CN107228205A (en) | 2017-06-21 | 2017-06-21 | The ceramic ball valve of high-efficiency anticorrosive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107228205A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201090774Y (en) * | 2007-08-17 | 2008-07-23 | 深圳市南玻结构陶瓷有限公司 | Ceramic regulating ball valve |
| CN201615241U (en) * | 2009-11-30 | 2010-10-27 | 河南泉舜流体控制科技有限公司 | Lining ceramic concentric V-shaped ball adjusting valve |
| CN203322358U (en) * | 2013-06-20 | 2013-12-04 | 氟络塞尔特种阀门(苏州)有限公司 | Ball valve |
| CN204127377U (en) * | 2014-10-11 | 2015-01-28 | 烟台金泰美林科技有限公司 | The two lining ball valve of a kind of chemical industry |
| CN105114650A (en) * | 2015-08-28 | 2015-12-02 | 圣博莱阀门有限公司 | High-performance ceramic ball valve |
| CN205908788U (en) * | 2016-06-20 | 2017-01-25 | 中一节能耐磨技术宜兴有限公司 | Take ceramic lining ball valve |
| CN206929367U (en) * | 2017-06-21 | 2018-01-26 | 浙江大唐阀门有限公司 | The ceramic ball valve of high-efficiency anticorrosive |
-
2017
- 2017-06-21 CN CN201710474440.4A patent/CN107228205A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201090774Y (en) * | 2007-08-17 | 2008-07-23 | 深圳市南玻结构陶瓷有限公司 | Ceramic regulating ball valve |
| CN201615241U (en) * | 2009-11-30 | 2010-10-27 | 河南泉舜流体控制科技有限公司 | Lining ceramic concentric V-shaped ball adjusting valve |
| CN203322358U (en) * | 2013-06-20 | 2013-12-04 | 氟络塞尔特种阀门(苏州)有限公司 | Ball valve |
| CN204127377U (en) * | 2014-10-11 | 2015-01-28 | 烟台金泰美林科技有限公司 | The two lining ball valve of a kind of chemical industry |
| CN105114650A (en) * | 2015-08-28 | 2015-12-02 | 圣博莱阀门有限公司 | High-performance ceramic ball valve |
| CN205908788U (en) * | 2016-06-20 | 2017-01-25 | 中一节能耐磨技术宜兴有限公司 | Take ceramic lining ball valve |
| CN206929367U (en) * | 2017-06-21 | 2018-01-26 | 浙江大唐阀门有限公司 | The ceramic ball valve of high-efficiency anticorrosive |
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