CN2142906Y - Ball valve special for water treatment - Google Patents
Ball valve special for water treatment Download PDFInfo
- Publication number
- CN2142906Y CN2142906Y CN 92220636 CN92220636U CN2142906Y CN 2142906 Y CN2142906 Y CN 2142906Y CN 92220636 CN92220636 CN 92220636 CN 92220636 U CN92220636 U CN 92220636U CN 2142906 Y CN2142906 Y CN 2142906Y
- Authority
- CN
- China
- Prior art keywords
- valve
- spool
- medium
- seat
- water treatment
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 11
- 238000007789 sealing Methods 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 10
- 229920003023 plastic Polymers 0.000 claims abstract description 7
- 239000004033 plastic Substances 0.000 claims abstract description 7
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 6
- 229910001018 Cast iron Inorganic materials 0.000 claims description 4
- 229910001208 Crucible steel Inorganic materials 0.000 claims description 3
- 229920002313 fluoropolymer Polymers 0.000 abstract description 12
- 230000007797 corrosion Effects 0.000 abstract description 7
- 238000005260 corrosion Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 3
- 238000005299 abrasion Methods 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000008901 benefit Effects 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 238000012946 outsourcing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- -1 station boiler Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Images
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- Taps Or Cocks (AREA)
Abstract
The utility model relates to a special ball valve of water treatment for in boiler water treatment control, its main technical characteristics are that the position with the medium contact sets up one deck fluoroplastics, and the whole material of disk seat is tetrafluoro plastics, and processing has the sealed self-tightening groove that communicates with each other with medium pressure on the disk seat. The valve seat has certain elasticity and medium pressure, so that the specific sealing pressure of the valve seat to the valve core is improved, a very ideal sealing effect is obtained, the abrasion between the valve core and the valve seat can be self-compensated, the service life of the valve can be prolonged by 2-3 times, and in addition, the part contacted with the medium is made of fluoroplastic materials, so that the corrosion resistance of the valve is very high.
Description
The utility model relates to a kind of boiler water processing ball valve that is made of valve body, spool ball and valve seat.
At present the valve that uses in the boiler water water processing control generally all is to adopt the Stainless Steel Ball Valve that is made of valve body, spool and valve seat, and for rigid seal cooperates, the deficiency of this ball valve maximum is to use the life-span to lack between spool and the valve seat, and maintenance load is big.This is because add in the boiler feed water 3～8% acid or alkali to be arranged, water has become a kind of aggressive medium, stainless steel there is stronger corrosivity, again since between spool and the valve seat for rigid seal cooperates, oneself benefit property not, therefore, ball valve is after operation a period of time, the sealing that spool and valve seat constitute is paid under the corrosive action of medium and destroyed under the abrasive action, and sealing is paid and lost efficacy dielectric leakage.The time of operation is long again, and sealing pair will heavy damage, total failure, and whole valve is scrapped, the ball valve that more renews.In actual production, ball valve also has and adopts corrosion resistant noble metal material, but the cost height of this ball valve costs an arm and a leg, and uses to be subjected to certain restriction.
The purpose of this utility model is to avoid the deficiency of prior art, and a kind of good corrosion resistance is provided, and has from benefit property, good sealing effect the special-purpose ball valve of the water treatment that price is low.
Invention main points of the present utility model are may cover the corrosion resistant fluoroplastic of one deck in contacted position at ball valve and medium.
The purpose of this utility model realizes by taking following technical measures:
The special-purpose ball valve of water treatment is made of valve body, spool, valve seat and valve gap, the basic material of valve body, spool and valve gap is cast iron or cast steel, the valve inner lining is established fluoroplastic, and fluoroplastic are established in the spool outsourcing, all wrap inside and outside the valve gap and establish fluoroplastic, the material of valve seat is a ptfe plastic, and be processed with the sealing self-tightening groove of linking up with pressure medium thereon, spool and valve seat are arranged in the valve body, and the adjusting sealing of the ball valve of configuration formation is mutually paid, valve rod is connected with spool, is used for the aperture of regulating spool about valve gap.
Compared with the prior art the utility model has following relatively more outstanding advantage:
1. solve the dielectric corrosion problem, improved the life-span of valve greatly.Because in the ball valve that the utility model disclosed, every position that contacts with medium has all covered one deck fluoroplastic, the corrosion resistance of fluoroplastic excellence has solved the corrosion of medium to valve well, and the life-span of valve greatly improves.
2. because the material of valve seat is a ptfe plastic, and be processed with the sealing self-tightening groove of linking up, make valve seat become elastic seat, have the ability of self-compensating wearing and tearing, can prolong 2～3 times of ball valve working lifes with pressure medium.And the elasticity of valve seat and the pressure medium that communicates with sealing self-tightening groove have improved the seal pressure of valve seat to spool, have changed sealing effect, have reduced leakage rate.Reduced the rigid extruding of valve seat to spool simultaneously, the rotation friction of spool reduces, and therefore in controlling automatically, compares with original ball valve, and identical bore can be joined little 1～2 grade thrust actuator down, has alleviated the weight and the cost of valve.
3. because the basic material of valve body, spool and the valve gap of ball valve is cast iron or cast steel, surface coverage one deck fluoroplastic, valve seat are ptfe plastic, so cost is low, low price.
Accompanying drawing 1 is a structural representation of the present utility model.
Accompanying drawing 2 is partial enlarged drawings of accompanying drawing 1.
Provide an embodiment of the present utility model below in conjunction with description of drawings.
The special-purpose ball valve of water treatment is made of valve body (1), spool (2), valve seat (3) and valve gap (4), the basic material of valve body, spool and valve gap is a cast iron, they all are provided with one deck fluoroplastic (5) with the position that medium may contact, the material integral body of valve seat is ptfe plastic, and be processed with the sealing self-tightening groove (6) that communicates with medium thereon, valve seat is placed in the valve body, and spool is placed in the valve seat, and both pay in the adjusting sealing that constitutes ball valve that cooperatively interacts.Valve gap (4) fixed in position is on valve body, and the inner chamber of valve gap constitutes the packing seal box, and the valve rod (7) that links into an integrated entity with spool passes from the inner chamber of valve gap, fills stuffing box packing (9) between the inner chamber of valve gap and valve rod.Filler also is fluoroplastic.The runner two ends of valve body are provided with the adapter (8) of connecting tube, adapter can with the valve body cast inblock, also can be individual components with valve body configuration.Also serve as a contrast in the adapter and establish one deck fluoroplastic.
The utility model can be widely used in various boiler waters such as station boiler, chemical industry boiler and handle.
Claims (1)
1, the special-purpose ball valve of a kind of water treatment, comprise that material is valve body (1), spool (2) and the valve gap (4) of cast iron (or cast steel), spool is positioned at valve body, with valve seat (3) configuration that is arranged in the valve body, the adjusting sealing that constitutes ball valve is paid, valve gap and valve body configuration, valve rod is connected with spool, the material that it is characterized in that valve seat (3) is a ptfe plastic, and being processed with the sealing self-tightening groove (6) of linking up thereon with pressure medium, the position that may contact with medium at valve body, spool and valve gap is provided with one deck ptfe plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92220636 CN2142906Y (en) | 1992-11-05 | 1992-11-05 | Ball valve special for water treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92220636 CN2142906Y (en) | 1992-11-05 | 1992-11-05 | Ball valve special for water treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2142906Y true CN2142906Y (en) | 1993-09-29 |
Family
ID=33767639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92220636 Expired - Fee Related CN2142906Y (en) | 1992-11-05 | 1992-11-05 | Ball valve special for water treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2142906Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103557345A (en) * | 2007-05-24 | 2014-02-05 | 迈克尔·坦普 | Valve ball made of plastic of ball valve |
-
1992
- 1992-11-05 CN CN 92220636 patent/CN2142906Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103557345A (en) * | 2007-05-24 | 2014-02-05 | 迈克尔·坦普 | Valve ball made of plastic of ball valve |
| CN103557345B (en) * | 2007-05-24 | 2016-01-20 | 迈克尔·坦普 | The valve ball that the plastics of ball valve are made |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |