CN101266017A - Float ball guided piston type steam bleeder - Google Patents
Float ball guided piston type steam bleeder Download PDFInfo
- Publication number
- CN101266017A CN101266017A CNA2008100860214A CN200810086021A CN101266017A CN 101266017 A CN101266017 A CN 101266017A CN A2008100860214 A CNA2008100860214 A CN A2008100860214A CN 200810086021 A CN200810086021 A CN 200810086021A CN 101266017 A CN101266017 A CN 101266017A
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- valve
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- valve seat
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- 238000007789 sealing Methods 0.000 claims description 29
- 238000003466 welding Methods 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 12
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 238000004064 recycling Methods 0.000 abstract description 2
- 230000002349 favourable effect Effects 0.000 abstract 1
- 230000005494 condensation Effects 0.000 description 5
- 238000009833 condensation Methods 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910001208 Crucible steel Inorganic materials 0.000 description 2
- 230000001447 compensatory effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000000306 recurrent effect Effects 0.000 description 1
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Abstract
The invention relates to a steam trap valve, particularly a floater pilot piston-type steam trap valve suitable for a high pressure large discharge capacity indirect heating device. The steam trap valve comprises a valve body, and a valve cover, and is characterized in that a filter screen II (35) and a filter screen I (32) are respectively arranged in the cavity of the valve body (1). A main valve plug (26) is arranged inside a main valve seat (26), the rod part of the main valve plug (24) is sleeved in a piston (21), the main valve is partly arranged in an inner cavity of an outlet end, a floater (37) is arranged in the upper cavity of the valve body (1), an upper seat (38) and a joint pin (40) are in threaded connection, the joint pin (40) and the upper cavity through hole of the valve body (1) are in threaded connection, the joint pin (40) is connected with a balance tube (41), and the other end of the joint pin (40) is connected with a piston cylinder (22) and welded on the valve body. The steam trap valve has the advantages of small steam leakage loss, rate of load steam loss at less than 2%, rate of no-load steam loss at less than 0.20%, large working pressure range, no influence on drainage after the pressure is changed, and rate of back pressure at more than 90%. Therefore, the steam trap valve is favorable for recycling condensed water.
Description
Technical field
The present invention relates to a kind of Automatic steam trap Trap, more specifically to a kind of high-pressure large-displacement steam indirect heated component that is applicable to, block steam and drain water and utilize the drain valve back pressure to reclaim the float ball guided piston type steam bleeder of water of condensation automatically in the Maximum differential pressure 4.6MPaG, maximum pump discharge 170t/h scope.
Background technique
At present, known float ball guided piston type steam bleeder, just can not regular event in 0.05MPaG～0.2MPaG scope, the main valve open degree is less and discharge capacity is less than normal, filter screen has only one and fragile under the high-pressure large-displacement operating mode, piston is fragile, often open bypass and run the vapour operation, have the shortcoming of functional reliability difference.
Summary of the invention
The technical problem to be solved in the present invention is: the problem that the pressure, discharge capacity that overcomes existing piston steam trap can not regular event under high parameter provides that a kind of valve seat orifice is big, piston area big, the float ball guided piston type steam bleeder of stability and good reliability.At maximum operating pressure differential 4.6MPaG, can both action message in the maximum pump discharge 170t/h scope, satisfy and get rid of steam condensate and can not the condensing body under the high-pressure large-displacement operating mode, stop the usage requirement of steam leakage, and help water of condensation and recycle.
For solving the problems of the technologies described above, a kind of float ball guided piston type steam bleeder of the present invention comprises valve body, valve gap, and its characteristics are: be provided with bonnet, bottom flange and big valve gap on valve body.Flange horizontal welding respectively is connected on the inlet/outlet end of valve body.Filter screen I is loaded in the entry end lower cavity of valve body, adopts wrap style sealing gasket IV sealing, with stud, spring washer and the fastening lower end cap of 2 type hexagon nuts.Supporting post is welded on the bottom flange bottom, will support angle steel is fixed on supporting post with hexagon head bolt lower end.Ball float is packed in the upper chamber of valve body, and pack into successively then cowling, filter screen II, wrap style sealing gasket V and bonnet are fastening with stud, spring washer and 2 type hexagon nuts.Lining is packed in the hole of big valve gap, adopts the hole to fix with back-up ring.Main valve plug is packed in the main valve seat cavity, and the main valve stem is inserted in piston, and is fastening with locking nut.On piston, be provided with relief hole, spring ring, piston ring are housed in piston groove successively, piston cylinder is installed then, load onto wrap style sealing gasket III, wrap style sealing gasket II respectively at ladder place, main valve seat two ends, primary valve part is pushed valve outlet end inner chamber, load onto wrap style sealing gasket I, with stud, spring washer, the fastening big valve gap of 2 type hexagon nuts.Bonnet is provided with the air valve seat orifice, and the air valve seat is housed in the hole, and the air spool is housed in the air valve seat, all adopts to be threaded, and seals with sealing gasket.Be provided with valve seat orifice in the middle of the upper valve base, valve seat orifice is a step through-hole, and sealing gasket is equipped with at the step place of upper valve base, and upper valve base adopts with attachment post and is threaded, and attachment post adopts with valve body epicoele through hole and is threaded.One end of balance pipe inserts attachment post through hole step place and attachment post welding, and the other end is connected with piston cylinder, and is welded on the valve body.
The present invention is applicable to high pressure steam indirect heated component selection work pressure range 0.05MPaG～4.6MPaG, maximum pump discharge 170t/n type mechanical steam valve, especially reliable block steam and drain water under mesohigh, the ultra-large heating cycle of middle high temperature, the raising equipment efficiency of heating surface helps water of condensation and recycles.Advantage is: can in time get rid of water of condensation, the steam leakage loss is little, Rate of load steam loss＜2%, Rate of noload steam loss＜0.2%.Range of working pressure is big, does not influence draining after the variation in pressure, and Rate of back pressure＞90% helps recycling water of condensation.Adopt manual emptying valve, eliminate the stifled and steam vapour lock of air gas.Be provided with two high strength punched-plate large size punching filter screens, provide protection to greatest extent to drain valve.The float ball guided formula structure of major diameter, Φ 4mm valve seat orifice cooperates enlarged bore piston structure and Φ 2.7mm relief hole thereof, and piston chamber's " secondary steam buffering " main valve plug hard collision reduces wear on valve seat, prolong sealing pair working life, reach low differential pressure and High Pressure Difference reliable in action.The interstitial row hydrodynamic(al) is done sensitive, and action checking is easy.The multilayer elastic carbon piston ring piston amplification structure of adopt floating has the automatic compensatory and reliable sealing after good self lubricity, the wearing and tearing, thereby has guaranteed that the reliable in action of drain valve and working life were greater than 16000 hours (more than 2 years).Adopt the cast steel housing, level is installed, and internals are fixed in the valve gap, and on-line maintenance is convenient, needn't adjust, and safeguards easily.
Description of drawings
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
Fig. 1 is the structure sectional view of a kind of float ball guided piston type steam bleeder of the present invention.
Fig. 2 be among Fig. 1 A-A to sectional view.
Fig. 3 is the plan view of a kind of float ball guided piston type steam bleeder of the present invention.
Fig. 4 is the schematic representation of the air in a kind of float ball guided piston type steam bleeder cavity of the present invention, low-temperature condensate, steam, condensed water in high temperature.
Fig. 5 is the initial schematic representation of working principle of the present invention.
Fig. 6 opens main valve plug 24 view in the working principle of the present invention.
Fig. 7 closes main valve plug 24 view in the working principle of the present invention.
Fig. 8 enters new recurrent state schematic representation for ball float in the working principle of the present invention rises.
Embodiment
In Fig. 1,2,3: valve body 1 is the straight horizontal general formula, adopts WCB cast steel, and valve body 1 is provided with bonnet 7, bottom flange 30 and big valve gap 11, and bonnet 7, bottom flange 30 and big valve gap 11 all adopt the 20# carbon steel.Flange 33 horizontal welding respectively is connected on the inlet/outlet end of valve body 1.Filter screen I 32 is loaded in the entry end lower cavity of valve body 1, adopts wrap style sealing gasket IV 31 sealings, with stud 8, spring washer 10 and 2 type hexagon nuts, 9 fastening lower end caps 30.Supporting post 29 is welded on bottom flange 30 bottoms, will support the lower end that angle steel 28 usefulness hexagon head bolts 27 are fixed on supporting post 29.Ball float 37 is packed in the upper chamber of valve body 1, and the cowling 36 of packing into successively then, filter screen II 35, wrap style sealing gasket V 34 refill bonnet 7, and be fastening with stud bolt 8, spring washer 10 and 2 type hexagon nuts 9.Lining 12 is packed in the hole of big valve gap 11, adopts the hole fixing with back-up ring 13.Main valve plug 24 is packed in main valve seat 26 cavities, and the hole 46 on the main valve seat 26 communicates with the outlet of valve body 1, and its effect is: accelerate pressure release.Piston 21 is inserted in main valve plug 24 bar portions, fastening with locking nut 14, piston 21 is provided with relief hole 44, and relief hole 44 is Φ 2.7mm, in the three road grooves on piston 21 spring ring 20, piston ring 19 are housed successively, piston adopts multilayer elastic carbon piston ring built-up piston, and its effect is: have good self lubricity, the compensatory and sealing after the wearing and tearing, guaranteed the reliable in action of drain valve, prolonged working life, then installed piston cylinder 22 greater than 16000 hours working life.The step place loads onto wrap style sealing gasket III 25, wrap style sealing gasket II 23 respectively at main valve seat 26 two ends, again primary valve part is pushed valve body 1 outlet end inner chamber, load onto wrap style sealing gasket I18, with stud 15, spring washer 17,2 type hexagon nuts 16 fastening big valve gaps 11.Bonnet 7 is provided with the air valve seat orifice, and air valve seat 3 is housed in the hole, and air spool 2 is housed in the air valve seat 3, all adopts to be threaded, with sealing gasket 4 sealings.Its effect is: can adopt manual emptying valve, eliminate air gas lock and steam vapour lock.Item board 42 usefulness steel wires 43 are fastened on air spool 2, and label 6 usefulness rivets for rame plates 5 are fixed on above the bonnet 7.Be provided with valve seat orifice 45 in the middle of the upper valve base 38, valve seat orifice 45 is a step through-hole, and its aperture is Φ 4mm, and sealing gasket 39 is equipped with at upper valve base 38 step places, and upper valve base 38 adopts with attachment post 40 and is threaded, and attachment post 40 adopts with valve body 1 epicoele through hole and is threaded.One end of balance pipe 41 inserts attachment post 40 through hole step places and attachment post 40 welding, and the other end is connected with piston cylinder 22, and is welded on the valve body 1.
Working principle of the present utility model is such: after float ball guided piston type steam bleeder is installed on the pipeline, automatically start working as Fig. 4,5,6,7,8 signal: at first tighten again after the air that enters drain valve and incondensable gas are discharged through manually opening air spool 2, making.A large amount of subsequently low-temperature condensates flow into valve body 1 inner chamber, along with entering with temperature of low-temperature condensate raises gradually, when liquid level rises to certain altitude, ball float 37 rises (seeing accompanying drawing 5) by buoyancy, and at this moment valve seat orifice 45 is opened, and flows into piston cylinder 22 by balance pipe 41, in piston cylinder 22, produce auxilliary the pressure, this auxilliary thrust of pressing moves upward piston 21, and steadily opens main valve seat 26, at this moment a large amount of rapidly discharging condensed water in high temperature (seeing accompanying drawing 6).After condensed water in high temperature had been arranged, ball float 37 fell, and at this moment valve seat orifice 45 is closed, and the auxilliary pressure of 22 li of piston cylinders is by the relief hole 44 on the piston 21, and pressure release is to outlet and the motion of main valve plug 24 smooth reversal, and main valve seat 26 is closed (seeing accompanying drawing 7).Steam and condensed water in high temperature continue to enter valve body 1 inner chamber in a large number, and when liquid level rose to certain altitude, ball float 37 rose by buoyancy, and valve seat orifice 45 is opened, and enter new circulation work automatically (seeing accompanying drawing 8).
In sum: the utility model is in operating pressure differential 0.05MPaG～0.2MPaG operating range, and relief hole 44 is Φ 2.7mm, and the aperture of valve seat orifice 45 is Φ 4mm, has guaranteed that the drain valve action is normal, and aperture is big, and discharge capacity is enough.Valve body 1 inner chamber is equipped with high strength punched-plate filter screen II 35, the filter screen I 32 that filter area is 5 times of drain valve Flow areas respectively, the endoporus of design main valve seat 26, converting effective draining aperture is Φ 65mm, piston adopts the multilayer elastic carbon piston ring built-up piston that floats, its external diameter is Φ 140mm, makes piston two-way lifting surface area ratio greater than 4.The wall thickness of valve body 1 and pressure and temp grade meet the regulation of GB/T12224-2005 " steel valve fitness for purpose ".
Claims (2)
1, a kind of float ball guided piston type steam bleeder comprises valve body, valve gap, it is characterized in that: be provided with bonnet (7), bottom flange (30) and big valve gap (11) on valve body (1); Flange (33) horizontal welding respectively is connected on the inlet/outlet end of valve body (1);
A, filter screen I (32) are loaded in the entry end lower cavity of valve body (1), adopt wrap style sealing gasket IV (31) sealing, with stud (8), spring washer (10) and the 2 fastening lower end caps of type hexagon nut (9) (30); Supporting post (29) is welded on bottom flange (30) bottom, will support angle steel (28) is fixed on supporting post (29) with hexagon head bolt (27) lower end;
B, ball float (37) are packed in the upper chamber of valve body (1), pack into successively then cowling (36), filter screen II (35), wrap style sealing gasket V (34) and bonnet (7), fastening with stud (8), spring washer (10) and 2 type hexagon nuts (9);
C, lining (12) are packed in the hole of big valve gap (11), adopt the hole fixing with back-up ring (13);
D, main valve plug (24) are packed in main valve seat (26) cavity, and piston (21) is inserted in main valve plug (24) bar portion, and be fastening with locking nut (14); Piston (21) is provided with relief hole (44), and spring ring (20), piston ring (19) are housed in piston (21) groove successively, and piston cylinder (22) is installed then; Load onto wrap style sealing gasket III (25), wrap style sealing gasket II (23) respectively at ladder place, main valve seat (26) two ends; Primary valve part is pushed valve body (1) outlet end inner chamber, load onto wrap style sealing gasket I (18), with stud (15), spring washer (17), the 2 fastening big valve gaps of type hexagon nut (16) (11);
E, bonnet (7) are provided with the air valve seat orifice, and air valve seat (3) is housed in the hole, and air spool (2) is housed in the air valve seat (3), all adopt to be threaded, with sealing gasket (4) sealing;
Be provided with valve seat orifice (45) in the middle of f, the upper valve base (38), valve seat orifice (45) is a step through-hole, and sealing gasket (39) is equipped with at upper valve base (38) step place, and upper valve base (38) adopts with attachment post (40) and is threaded; Connecing post (40) is threaded with the employing of valve body (1) epicoele through hole; One end of balance pipe (41) inserts attachment post (40) through hole step place and attachment post (40) welding; The other end is connected with piston cylinder (22), and is welded on the valve body (1).
2, a kind of float ball guided piston type steam bleeder according to claim 1 is characterized in that: the hole (46) on the main valve seat (26) communicates with the outlet of valve body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100860214A CN101266017A (en) | 2007-12-29 | 2008-03-06 | Float ball guided piston type steam bleeder |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710306551 | 2007-12-29 | ||
| CN200710306551.0 | 2007-12-29 | ||
| CNA2008100860214A CN101266017A (en) | 2007-12-29 | 2008-03-06 | Float ball guided piston type steam bleeder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101266017A true CN101266017A (en) | 2008-09-17 |
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ID=39988612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100860214A Pending CN101266017A (en) | 2007-12-29 | 2008-03-06 | Float ball guided piston type steam bleeder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101266017A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106314411A (en) * | 2016-06-28 | 2017-01-11 | 浙江万安科技股份有限公司 | Automobile relay valve |
| CN107269878A (en) * | 2017-08-01 | 2017-10-20 | 无锡斯沃特流体控制技术有限公司 | Self-supporting V-type controls ball valve |
| CN107830188A (en) * | 2017-11-29 | 2018-03-23 | 株洲南方阀门股份有限公司 | A kind of integral type overhauls strainer valve |
| CN107956886A (en) * | 2017-11-29 | 2018-04-24 | 株洲南方阀门股份有限公司 | A kind of fast inhale for carrying maintenance filtering delays row's formula air valve |
| CN107990034A (en) * | 2017-11-29 | 2018-05-04 | 株洲南方阀门股份有限公司 | A kind of fast inhale for carrying maintenance delays row's formula air valve |
| CN108006292A (en) * | 2017-11-29 | 2018-05-08 | 株洲南方阀门股份有限公司 | A kind of fast inhale for carrying filtering delays row's formula air valve |
| CN108591813A (en) * | 2018-06-09 | 2018-09-28 | 成都凯天电子股份有限公司 | Differential pressure type steam trap |
| CN113108232A (en) * | 2021-04-30 | 2021-07-13 | 阿尔法(天津)能源科技有限公司 | Accurate trap of venturi phase transition floater integral type |
| CN113294681A (en) * | 2021-05-13 | 2021-08-24 | 王梦茹 | Low leakage steam pipeline trap |
-
2008
- 2008-03-06 CN CNA2008100860214A patent/CN101266017A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106314411A (en) * | 2016-06-28 | 2017-01-11 | 浙江万安科技股份有限公司 | Automobile relay valve |
| CN107269878A (en) * | 2017-08-01 | 2017-10-20 | 无锡斯沃特流体控制技术有限公司 | Self-supporting V-type controls ball valve |
| CN107269878B (en) * | 2017-08-01 | 2023-06-30 | 无锡斯沃特流体控制技术有限公司 | Self-supporting V-shaped control ball valve |
| CN107830188A (en) * | 2017-11-29 | 2018-03-23 | 株洲南方阀门股份有限公司 | A kind of integral type overhauls strainer valve |
| CN107956886A (en) * | 2017-11-29 | 2018-04-24 | 株洲南方阀门股份有限公司 | A kind of fast inhale for carrying maintenance filtering delays row's formula air valve |
| CN107990034A (en) * | 2017-11-29 | 2018-05-04 | 株洲南方阀门股份有限公司 | A kind of fast inhale for carrying maintenance delays row's formula air valve |
| CN108006292A (en) * | 2017-11-29 | 2018-05-08 | 株洲南方阀门股份有限公司 | A kind of fast inhale for carrying filtering delays row's formula air valve |
| CN107990034B (en) * | 2017-11-29 | 2021-01-12 | 株洲南方阀门股份有限公司 | From inhaling slowly formula air valve of arranging that overhauls soon |
| CN108591813A (en) * | 2018-06-09 | 2018-09-28 | 成都凯天电子股份有限公司 | Differential pressure type steam trap |
| CN113108232A (en) * | 2021-04-30 | 2021-07-13 | 阿尔法(天津)能源科技有限公司 | Accurate trap of venturi phase transition floater integral type |
| CN113294681A (en) * | 2021-05-13 | 2021-08-24 | 王梦茹 | Low leakage steam pipeline trap |
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Open date: 20080917 |