CN102767689B - Spherical rotary steam trap valve - Google Patents
Spherical rotary steam trap valve Download PDFInfo
- Publication number
- CN102767689B CN102767689B CN201210268538.1A CN201210268538A CN102767689B CN 102767689 B CN102767689 B CN 102767689B CN 201210268538 A CN201210268538 A CN 201210268538A CN 102767689 B CN102767689 B CN 102767689B
- Authority
- CN
- China
- Prior art keywords
- valve
- valve seat
- ball core
- spring
- ball
- 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
- Taps Or Cocks (AREA)
- Float Valves (AREA)
Abstract
The invention relates to a steam trap valve, in particular to a spherical rotary steam trap valve which is provided with a valve cover, a valve body, an automatic air exhausting device and a shutdown system. The shutdown system is provided with a floating ball, a valve seat body, a ball core, a valve seat, a retaining ring, a pressing ring, a valve seat cover, a spring, a sealing gasket, a valve rod, a clamp ring, a connecting plate, a U-shaped arm and a sliding bearing, and the automatic air exhausting device and the shutdown system are mounted on the valve cover. When the water level of condensed water in a valve cavity rises, the floating ball rises along with the water level, the ball core is driven to rotate by the U-shaped arm, and a water outlet is opened to drain the condensed water. When the water level of the condensed water in the valve cavity is changed, the floating ball rises or drops along with the water level, the valve rod and the ball core are driven by the U-shaped arm to automatically adjust opening of a valve port, and the condensed water is timely drained. When the condensed water stops entering the valve cavity, the floating ball drops along with the water level, the valve rod and the ball core are driven by the U-shaped arm, and the ball core rotates to a valve port closing position, so that drainage is stopped. When the condensed water reenters the valve cavity, a next cycle is started.
Description
Technical field
The present invention relates to a kind of Automatic steam trap Trap, especially relate to a kind of ball valve core structure, and be the Automatic steam trap Trap of the brand new class of spherical rotary sealing means.
Background technique
Existing Automatic steam trap Trap has the types such as mechanical-type, heat static force type and heat power type.Common mechanical-type lever float ball type steam drain valve adopts conical surface sealing.There are single valve seat and double-valve-seat two kinds of structural types, the mechanical-type lever float ball type steam drain valve structure of single valve seat structure is comparatively simple, but one direction pressurized during work, uniaxial pressure is born during unlatching, thus very large unlatching resistance is caused for overcoming uniaxial pressure, therefore be confined to small displacement, use in the Automatic steam trap Trap of low-pressure.According to double-valve-seat structure, owing to being provided with two isometrical weep holes, increase the outlet gross area, therefore add drain valve discharge capacity significantly.When this type of valve is in closed condition, be positioned at the pressure direction that upper and lower two spools on same axis bear contrary, can partial offset end thrust, thus can reduce opening force greatly.
Common double-valve-seat lever float ball type steam drain valve, on it, lower valve base two weep holes adopt equal diameter.Owing to adopting conical surface seal, by the impact on sealed width, upper lower valve core compression area is just different.A valve newly used, its sealing surface of seat width is narrower, is bordering on wire conical surface.Although it is not very big at this moment to go up lower valve core positive-reverse thrust difference, certainly, pressure reduction is higher larger; But along with increasing service time, sealed width little by little increases because of wearing and tearing, and thus drain valve opening force also increases, and increasing thereupon, this will cause drain valve unstable properties, even cannot open, functional reliability is poor.
Chinese patent ZL200510081595.9 discloses the double-valve-seat lever float ball type steam drain valve of a kind of pressure balance, stability and good reliability.Be provided with ball float, lever, bearing pin, pin, connecting rod, valve rod, upper lower valve core, upper lower valve core positioning block, upper lower valve base, pad, nut, coupling head, attachment pegs and lever dolly; One end of lever connects with ball float, the other end pin of lever connects with the upper end of connecting rod, lever and bearing pin matched and be supported on lever dolly, lever dolly is located at above upper valve base, the lower end of connecting rod by attachment pegs and coupling head matched, pad, upper valve core and upper valve core positioning block are inserted in valve rod top, it is interior and matched by the lower conical surface of nut and upper valve base that upper valve core is located at upper valve base, coupling head connects valve stem top, the stem lower portion that can adjust inserts lower valve core and lower valve core positioning block, and it is interior and matched with the conical surface under lower valve base that lower valve core is located at lower valve base.This double-valve-seat lever float ball type steam drain valve can ensure lower valve core bearing area, and be new valve or the valve after using wearing and tearing, be all completely equal, the upper and lower thrust of spool reaches balance, improves performance.But also there is a difficult problem of closing valve threshold state spool contraposition stability and poor reliability in the valve of this structure.
Up to now, in drain valve field, there is not yet the report about spherical rotary steam trap valve.
Summary of the invention
The object of the invention is to for the shortcoming such as spool contraposition existence and stability and poor reliability during existing mechanical-type double-valve-seat lever float ball type steam drain valve existence closedown threshold state, a kind of pressure complete equilibrium is provided, stability and reliability high, the spherical rotary steam trap valve that discharge capacity is larger.
The present invention is provided with valve gap, valve body, automatic-discharging device of air and shutdown system, and described shutdown system is provided with ball float, valve body, ball core, valve seat, retaining ring, trim ring, valve seat lid, spring, sealing gasket, valve rod, jump ring circle, joining plate, U-shaped arm and sliding bearing.
Described automatic-discharging device of air and shutdown system are arranged on valve gap; Described valve body is provided with balance release circular groove, and described ball core is arranged on valve body inner chamber, and described valve seat is contained in ball core two ends respectively, and sealing surface and the ball core sphere-contact of valve seat form two spherical seal surfaces; Described retaining ring is respectively charged into outside valve seat and in valve body concave station; It is outer and be fitted in the end face of retaining ring and seal ring that described trim ring is respectively charged into valve seat; Described seal ring is located in valve body and retaining ring concave station respectively; Described valve seat lid and sealing gasket are contained in respectively in the concave station of valve body two ends and also use hex head bolt press seal; Described spring to be pressed on valve seat inclined-plane boss and trim ring end face on and be inserted in valve seat lid inner position groove; Described valve gap is connected by bolt and nut with valve body, between valve gap and valve body, wound gasket is housed and sealing group synthesis valve pocket; The straight end-face key of two valve rods matches with two keyways of ball core side, and described two valve rods are installed in former and later two coaxial holes of valve body, and this hole is built with sliding bearing; Two valve rod heads are inserted at described U-shaped arm two ends respectively, and match with joining plate square hole and two valve rod square holes; The connecting rod that mider hole and the ball float of U-shaped arm stretch out matches, and fixes with jump ring circle; Namely rotate U-shaped arm makes ball core rotate by two valve rods, realizes the opening and closing of valve port.
Described spring can adopt belleville spring or helical spring; Described belleville spring (plane) is installed between valve seat lid and valve seat, and bolt produces elastic force by holddown spring, forces on two valve seats, makes to produce sealing load between valve seat and ball core sealing surface.Spring seat established by described helical spring.
The present invention uses equipment connection by the import and export on valve gap and steam, and critical component of the present invention---shutdown system is arranged in valve pocket, and in valve pocket, the high and low change of condensation water level makes ball float get rid of water of condensation by U-shaped arm rotating sphere core.
Working principle of the present invention is as follows:
Described spherical rotary steam trap valve is arranged on the outlet using steaming plant, and when water of condensation water level in valve pocket raises, ball float raises with the rising of water level, and moves the rotation of ball core by U-shaped arm straps, opens drain opening, discharges water of condensation.When in valve pocket during condensation water level change, ball float following water-level lifting and being elevated, by the aperture of U-shaped arm straps ovable valve stem and ball core automatic regulating valve mouth, gets rid of water of condensation in time.When water of condensation stops entering valve pocket, ball float declines with water level decreasing, by U-shaped arm straps ovable valve stem and ball core, makes that ball core has forwarded the position of close port to, namely draining stops.When water of condensation enters valve pocket again, work cycle restarts next time.
One of main part of the present invention valve body have employed the angie type valve body structure with special balance release circular groove, and be designed to balance unified sealed diameter D, thus make pressure medium manifest full symmetric distribution and act on ball core, namely ball core is stressed is in all fields balanced, and is equivalent to free state.Owing to have employed, balance unifies sealed diameter to two valve seats, left and right bearing area is completely equal.This is for each valve seat, and horizontal direction force is equal and opposite in direction, and direction is contrary.After counteracting, single valve seat, except spring-loaded, is all in free state (if deadweight negligible words by contrast).
The present invention can keep ball core and both sides valve base chamber sealing load are only decided by both sides spring (dish or helical spring) pressure and have nothing to do with pressure medium size.Ball core and valve base chamber keep certain elastic force, thus can ensure to stablize and rational seal pressure.
Compare with existing mechanical-type lever float ball type steam drain valve, because the present invention adopts spherical rotary formula to seal, its sealing means is better than conical surface seal mode, sealing contraposition is accurate, sealing is stable, overcome double-valve-seat lever float ball type steam drain valve conical surface seal contraposition accuracy, poor synchronization when closing threshold state, sealing is shortcoming not reliably.
In sum, the present invention has following outstanding advantages:
1) adopt the spherical rotary sealing means of ball cored structure, sealing contraposition is accurate, and sealability is excellent.It is a unique innovative design in drain valve field.
2) adopt there is the angie type valve body structure of special balance pressure release circular groove, make pressure medium act on ball core symmetrically, make it stressedly reach complete equilibrium.
3) ball core sealing force adopts elastic compensating structure, namely stably forces in the valve seat on both sides with belleville spring or helical spring group, can realize sealing surface wear compensation, sealability is excellent, reliable and stable.
4) can be used for the Automatic steam trap Trap design ap-plication under huge discharge and mesohigh difference.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the embodiment of the present invention.
Fig. 2 is the valve seat construction schematic diagram that the embodiment of the present invention adopts belleville spring.
Fig. 3 is that the embodiment of the present invention adopts helical spring valve seat construction schematic diagram.
Fig. 4 is the valve stem slides bearing structure partial view of the embodiment of the present invention.
Embodiment
See Fig. 1,2,4, the embodiment of the present invention is provided with valve gap 9, valve body 24, automatic-discharging device of air 20 and shutdown system, and described shutdown system is provided with ball float 1, valve body 2, ball core 3, valve seat 4, retaining ring 5, trim ring 6, valve seat lid 7, belleville spring 8, sealing gasket 10, valve rod 14, jump ring circle 16, joining plate 17, U-shaped arm 18 and sliding bearing 19.
Described automatic-discharging device of air 20 and shutdown system are arranged on valve gap 9; Described valve body 2 is provided with balance release circular groove 12, and described ball core 3 is arranged on valve body 2 inner chamber, and described valve seat 4 is contained in ball core 3 two ends respectively, and sealing surface and ball core 3 sphere-contact of valve seat 4 form two spherical seal surfaces; Described retaining ring 5 is respectively charged into outside valve seat 4 and in valve body 2 concave station; It is outer and be fitted in the end face of retaining ring 5 and seal ring 11 that described trim ring 6 is respectively charged into valve seat 4; Described seal ring 11 is located in valve body 2 and retaining ring 5 concave station respectively; Described valve seat lid 7 and sealing gasket 10 are contained in the concave station of valve body 2 two ends respectively also with hex head bolt 13 press seal; Described spring 8 to be pressed on valve seat 4 inclined-plane boss and trim ring 6 end face on and be inserted in valve seat lid 7 inner position groove; Described valve gap 9 is connected by bolt and nut 15 with valve body 24, wound gasket 23 sealing group is housed between valve gap 9 and valve body 24 and synthesizes valve pocket; The straight end-face key of two valve rods 14 matches with two keyways of ball core 3 side, and described two valve rods 14 are installed in former and later two coaxial holes of valve body 2, and this hole is built with sliding bearing 19; Two valve rod 14 heads are inserted at described U-shaped arm 18 two ends respectively, and match with joining plate 17 square hole and two valve rod 14 square holes; The connecting rod that mider hole and the ball float 1 of U-shaped arm 18 stretch out matches, and fixes with jump ring circle 16; Namely rotate U-shaped arm 18 makes ball core 3 rotate by two valve rods 14, realizes the opening and closing of valve port.
Valve body in described shutdown system is provided with balance release circular groove, and described ball core is arranged on valve body inner chamber, and described valve seat is contained in ball core two ends respectively, sealing surface and ball core sphere-contact, forms two spherical seal surfaces; Described retaining ring is respectively charged in valve seat external diameter and valve body concave station; Described trim ring is respectively charged into valve seat external diameter and is fitted in the end face of retaining ring and seal ring; Described seal ring is located in valve body and retaining ring concave station (see Fig. 2, Fig. 3) respectively;
See Fig. 2, described spring adopts belleville spring 8, and described belleville spring (plane) is installed between valve seat lid 7 and valve seat 4, and bolt produces elastic force by holddown spring, force on two valve seats, make to produce sealing load between valve seat and ball core sealing surface.
See Fig. 3, described spring adopts helical spring 21, and spring seat 22 established by described helical spring 21.After adopting helical spring 21, produce sealing force with helical spring, its sealing principle is identical with employing butterfly spring.
Described spring to be pressed on valve seat inclined-plane boss and trim ring end face on and be inserted in valve seat lid inner position groove, described valve seat lid and sealing gasket are contained in the concave station of valve body two ends respectively, with hex head bolt press seal (see Fig. 2, Fig. 3); Described two keyways of ball core side and the straight end-face key of two valve rods match, and described two valve rods are installed in former and later two coaxial holes of valve body, and this hole is built with sliding bearing; Two valve rod heads are inserted at described U-shaped arm two ends respectively, and match with joining plate square hole and two valve rod square holes; The connecting rod that mider hole and the ball float of U-shaped arm stretch out matches, and fixes with jump ring circle; Namely rotate U-shaped arm makes ball core rotate by two valve rods, realizes the opening and closing (see Fig. 4) of valve port.
Claims (4)
1. spherical rotary steam trap valve, it is characterized in that being provided with valve gap, valve body, automatic-discharging device of air and shutdown system, described shutdown system is provided with ball float, valve body, ball core, valve seat, retaining ring, trim ring, valve seat lid, spring, sealing gasket, valve rod, jump ring circle, joining plate, U-shaped arm and sliding bearing;
Described automatic-discharging device of air and shutdown system are arranged on valve gap; Described valve body is provided with balance release circular groove, and described ball core is arranged on valve body inner chamber, and described valve seat is contained in ball core two ends respectively, and sealing surface and the ball core sphere-contact of valve seat form two spherical seal surfaces; Described retaining ring is respectively charged into outside valve seat and in valve body concave station; It is outer and be fitted in the end face of retaining ring and seal ring that described trim ring is respectively charged into valve seat; Described seal ring is located in valve body and retaining ring concave station respectively; Described valve seat lid and sealing gasket are contained in respectively in the concave station of valve body two ends and also use hex head bolt press seal; Described spring to be pressed on valve seat inclined-plane boss and trim ring end face on and be inserted in valve seat lid inner position groove; Described valve gap is connected by bolt and nut with valve body, between valve gap and valve body, wound gasket is housed and sealing group synthesis valve pocket; The straight end-face key of two valve rods matches with two keyways of ball core side, and described two valve rods are installed in former and later two coaxial holes of valve body, and this hole is built with sliding bearing; Two valve rod heads are inserted at described U-shaped arm two ends respectively, and match with joining plate square hole and two valve rod square holes; The connecting rod that mider hole and the ball float of U-shaped arm stretch out matches, and fixes with jump ring circle; Namely rotate U-shaped arm makes ball core rotate by two valve rods, realizes the opening and closing of valve port.
2. spherical rotary steam trap valve as claimed in claim 1, is characterized in that described spring adopts belleville spring or helical spring.
3. spherical rotary steam trap valve as claimed in claim 2, it is characterized in that described belleville spring is installed between valve seat lid and valve seat, bolt produces elastic force by holddown spring, forces on two valve seats, makes to produce sealing load between valve seat and ball core sealing surface.
4. spherical rotary steam trap valve as claimed in claim 2, is characterized in that spring seat established by described helical spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210268538.1A CN102767689B (en) | 2012-07-31 | 2012-07-31 | Spherical rotary steam trap valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210268538.1A CN102767689B (en) | 2012-07-31 | 2012-07-31 | Spherical rotary steam trap valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102767689A CN102767689A (en) | 2012-11-07 |
| CN102767689B true CN102767689B (en) | 2015-02-25 |
Family
ID=47095194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210268538.1A Expired - Fee Related CN102767689B (en) | 2012-07-31 | 2012-07-31 | Spherical rotary steam trap valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102767689B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106382452A (en) * | 2016-12-07 | 2017-02-08 | 无锡优耐特净化装备有限公司 | Ball float type steam trap valve |
| CN113551145B (en) * | 2021-08-07 | 2022-08-19 | 纽顿流体科技有限公司 | Ball float proportional control trap |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3711017A (en) * | 1970-02-14 | 1973-01-16 | K Fujiwara | Automatic vent valve for a steam trap |
| DD221812A1 (en) * | 1983-10-25 | 1985-05-02 | Lothar Boehm | CONDENSATE LINE WITH FLOAT CONTROL |
| CN2163926Y (en) * | 1993-08-14 | 1994-05-04 | 常泽文 | Floating ball drainage valve |
| CN1107550A (en) * | 1993-03-17 | 1995-08-30 | Tlv有限公司 | Device for feeding liquid under pressure |
| JP4938629B2 (en) * | 2007-11-15 | 2012-05-23 | 株式会社テイエルブイ | Float type steam trap |
| CN202252806U (en) * | 2011-08-01 | 2012-05-30 | 洪新强 | Floating ball guiding type steam trap |
| CN202756897U (en) * | 2012-07-31 | 2013-02-27 | 洪新强 | Spherical rotary type steam trap valve |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2714891B2 (en) * | 1991-08-14 | 1998-02-16 | 株式会社テイエルブイ | Float valve |
| JP2001141189A (en) * | 1999-11-16 | 2001-05-25 | Tlv Co Ltd | Float type drain trap |
| JP2002188793A (en) * | 2000-12-19 | 2002-07-05 | Spirax Sarco Ltd | Air vent valve for steam trap |
-
2012
- 2012-07-31 CN CN201210268538.1A patent/CN102767689B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3711017A (en) * | 1970-02-14 | 1973-01-16 | K Fujiwara | Automatic vent valve for a steam trap |
| DD221812A1 (en) * | 1983-10-25 | 1985-05-02 | Lothar Boehm | CONDENSATE LINE WITH FLOAT CONTROL |
| CN1107550A (en) * | 1993-03-17 | 1995-08-30 | Tlv有限公司 | Device for feeding liquid under pressure |
| CN2163926Y (en) * | 1993-08-14 | 1994-05-04 | 常泽文 | Floating ball drainage valve |
| JP4938629B2 (en) * | 2007-11-15 | 2012-05-23 | 株式会社テイエルブイ | Float type steam trap |
| CN202252806U (en) * | 2011-08-01 | 2012-05-30 | 洪新强 | Floating ball guiding type steam trap |
| CN202756897U (en) * | 2012-07-31 | 2013-02-27 | 洪新强 | Spherical rotary type steam trap valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102767689A (en) | 2012-11-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102767689B (en) | Spherical rotary steam trap valve | |
| CN202756897U (en) | Spherical rotary type steam trap valve | |
| CN202719212U (en) | Combination check valve | |
| CN101220867B (en) | Shuttle type vibration damping break valve | |
| EP2546559B1 (en) | Shuttle-typed high-temperature and high-pressure weldable check valve | |
| CN100373091C (en) | Lever and floating steam trap of balanced and two-valve seat | |
| CN104421466A (en) | Constant-pressure opening device | |
| CN104565422A (en) | Integrated unloading type low-temperature ball valve | |
| CN102748582B (en) | Rotary drain valve | |
| KR200490383Y1 (en) | A removing jig for ball valve | |
| CN202971992U (en) | Double-way eccentric automatic alignment sealing semi-ball valve | |
| CN205260861U (en) | Machinery valve standard -sized sheet, complete shut -down position locking device | |
| CN102080738A (en) | Float ball valve | |
| CN107806522B (en) | Steam extraction type quick-closing check valve and working method thereof | |
| CN108518509B (en) | Gas self-closing valve | |
| CN203146950U (en) | Piston-spring combined type double-constant-value safety valve | |
| CN201954012U (en) | Double-plate butterfly valve of track | |
| CN201671595U (en) | Float self-seal type wellhead water injection valve | |
| CN111946889A (en) | Elastic balance mechanism and elastic balance type double-acting valve | |
| CN202441937U (en) | Stop check safety valve | |
| CN201651408U (en) | Self-rotary control valve of waterproof meter | |
| CN211145388U (en) | Valve rod valve clack movable head of angle seat valve | |
| CN208605666U (en) | A kind of cryogenic ball valve | |
| CN101824974A (en) | Self-sealing type floating well head water injecting valve | |
| CN214999522U (en) | Anti-leakage light-torque gas ball valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20150225 Termination date: 20170731 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |