CN104266078B - A kind of huge discharge Free Float Type Steam Trap - Google Patents
A kind of huge discharge Free Float Type Steam Trap Download PDFInfo
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- CN104266078B CN104266078B CN201410461887.4A CN201410461887A CN104266078B CN 104266078 B CN104266078 B CN 104266078B CN 201410461887 A CN201410461887 A CN 201410461887A CN 104266078 B CN104266078 B CN 104266078B
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- screen pack
- valve body
- valve
- steam trap
- type steam
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- Self-Closing Valves And Venting Or Aerating Valves (AREA)
Abstract
The invention discloses a kind of huge discharge Free Float Type Steam Trap, including bonnet, valve body, ball float, water inlet and delivery port, valve body is provided with bonnet, ball float, in addition to screen pack are provided with valve body, screen pack is located at the lower section of water inlet, provided with water inlet in valve between screen pack and ball float, screen pack is fixed in valve body by screen pack plug screw, is provided with return-air plate on valve body between water inlet and ball float, and return-air plate is provided with several return-air holes.Using above-mentioned technical proposal be made it is a kind of can solve work when gas block up problem and improve the Free Float Type Steam Trap of discharge capacity.The advantage that manufacturing process that huge discharge Free Float Type Steam Trap has not only continued loose float trap is advanced, performance stabilization, good energy-conserving effect, service life length, cost performance are high, the gas that can also be solved well in the course of work blocks up problem, gas still will not be produced when increase flow and blocks up problem, be adapted to a variety of different situations and environment.Screen pack is easily cleaned simultaneously, simple and convenient.
Description
Technical field
The present invention relates to drain valve field, more particularly to a kind of huge discharge Free Float Type Steam Trap.
Background technology
Drain valve is to be used for steam heating equipment and jet chimney, can be automatically in purging line and steam uses equipment
In condensed water, air and other incoagulable gases, and can prevent steam leak automatic valve.
In existing technology, loose float trap is the density contrast principle using condensate and steam, will be hollow
Ball float be placed on without restrictions drain valve valve inner be used as complete on-off action flap, ball float can freely rise or
Decline, so as to allow drain valve to open, close.Loose float trap has advanced manufacturing process, performance stabilization, energy-saving effect
The high advantage of good, service life length, cost performance, so as to be widely used.
But prior art have the shortcomings that one it is very serious, because screen pack before is arranged on the top of ball float, water
Valve body lower portion could be entered by first passing through screen pack from water inlet, and hydrone is closely aligned around filter screen twine, is formed and inhaled
Attached water film, it includes hygroscopic water and film water.Hygroscopic water is in the state of almost solid, on twine surface with very high pressure
(10000~20000 atmospheric pressure), by sticking, its density is 1.5~1.8 times of free water density, and it has greatly viscous
Property, elasticity and shearing strength, it is impossible to respectively to pressure transmission, be only capable of unidirectional pressure transmission.The dipole body degree of orientation and set degree of film water
Much smaller than hygroscopic water, it is 1~10 atmospheric pressure to keep the pressure of film water, and film water is in viscous-liquid form, substantially
It is only capable of unidirectional pressure transmission.Some electrolyte are often more or less carried in actual water body, screen surface irreducible water can form double electricity
Layer or counter-ion layet, or even can also develop into multi-level labyrinth.When film water is contacted between twine, while also generating
Cohesive force, when film water is contacted between twine, while also generating cohesive force, strengthens the adelphotaxy between twine,
So that current pass through mesh relative difficulty.
Moisture film is once form, and under water flow pressure effect, inner and outer air pressure is uneven, causes again many water also to cannot be introduced into valve
Internal portion, just generates gas and blocks up problem in the course of the work, will be had a strong impact on when gas is blocked up when problem occurs to a certain extent
The normal work of whole drain valve, reduces the heat exchange efficiency of gas equipment, therefore is badly in need of that a kind of gas when can solve work is stifled to ask
Inscribe and improve the Free Float Type Steam Trap of discharge capacity.
The content of the invention
In order to solve the above problems, the present invention provides a kind of gas when can solve work and blocks up problem and improve discharge capacity
Free Float Type Steam Trap.
A kind of huge discharge Free Float Type Steam Trap in the present invention, including bonnet, valve body, ball float, water inlet and delivery port, institute
Valve body is stated provided with bonnet, the valve body is interior to be provided with ball float, in addition to screen pack, and the screen pack is located at the lower section of water inlet,
Provided with water inlet in valve between the screen pack and ball float, the screen pack is fixed in valve body by screen pack plug screw, described
Return-air plate is provided with valve body between water inlet and ball float, the return-air plate is provided with several return-air holes；
Drain valve also includes valve seat, valve seat plug screw, and valve seat is located at below delivery port, is connected through a screw thread and is fixed on valve body
On, the top of the valve seat points to ball float and contacts to form sealing surface with its surface, and the valve seat plug screw is located at valve body surface, institute
The center for stating valve seat is provided with valve seat orifice, and the afterbody of the valve seat is radially provided with osculum, and the osculum is connected with valve seat orifice, institute
The diameter for stating return-air hole is smaller than the diameter of valve seat orifice.
In such scheme, the bottom of the ball float inwall is provided with center of gravity locating piece.
In such scheme, the ball float is stainless steel floating ball.
In such scheme, the return-air plate cross section is circle.
In such scheme, the bonnet is fixed on valve body by bolt nut.
In such scheme, in addition to bimetal leaf, the bimetal leaf is located at bonnet center.
In such scheme, in addition to bleeder screw, the bleeder screw is located at bonnet center.
The advantages of the present invention are：The present invention provide a kind of gas when can solve work block up problem and
Improve the Free Float Type Steam Trap of discharge capacity.Huge discharge Free Float Type Steam Trap has not only continued the manufacturing process of loose float trap
The high advantage of advanced, performance stabilization, good energy-conserving effect, service life length, cost performance, can also be solved in the course of work well
Gas block up problem, increase flow when still will not produce gas block up problem, be adapted to a variety of different situations and environment.Together
When screen pack easily clean, it is simple and convenient, it is very useful.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is structural representation of the invention.
In figure：1st, bonnet 2, valve body 3, ball float 4, water inlet
5th, delivery port 6, screen pack 7, water inlet 8, screen pack plug screw in valve
9th, return-air plate 10, return-air hole 11, valve seat 12, valve seat plug screw
13rd, valve seat orifice 14, osculum 15, bolt nut 16, bleeder screw
Embodiment
With reference to the accompanying drawings and examples, the embodiment to the present invention is further described.Following examples are only
For clearly illustrating technical scheme, and it can not be limited the scope of the invention with this.
As shown in figure 1, the present invention is a kind of huge discharge Free Float Type Steam Trap, including bonnet 1, valve body 2, ball float 3, water inlet
4 and delivery port 5, valve body 2, which is provided with bonnet 1, valve body 2, is provided with ball float 3, in addition to screen pack 6, and screen pack 6 is located at water inlet 4
Lower section, provided with water inlet 7 in valve between screen pack 6 and ball float 3, screen pack 6 is fixed in valve body 2 by screen pack plug screw 8,
Return-air plate 9 is provided with valve body 2 between water inlet 4 and ball float 3, return-air plate 9 is provided with several return-air holes 10；Drain valve also includes
Valve seat 11, valve seat plug screw 12, valve seat 11 are located at the lower section of delivery port 5, are connected through a screw thread and are fixed on valve body 2, the top of valve seat 11
End points to ball float 3 and contacts to form sealing surface with its surface, and valve seat plug screw 12 is located at the surface of valve body 2, and the center of valve seat 11 is provided with
Valve seat orifice 13, the afterbody of valve seat 11 is radially provided with osculum 14, and osculum 14 is connected with valve seat orifice 13, the diameter ratio of return-air hole 10
The diameter of valve seat orifice 13 is small.Because the diameter of return-air hole 10 is smaller than the diameter of valve seat orifice 13, so larger rubbish can be blocked in
Outside valve body 2, it will not enter in valve body 2.After a period of time, screen pack plug screw 8 can be removed, screen pack 6 is taken out clearly
Wash, it is very convenient.Return-air hole 10 can set different hole counts according to the difference of drain valve size, and general 10 return-air holes compare
Properly.
Ball float 3 is stainless steel floating ball, and the bottom of stainless steel floating ball inwall is provided with center of gravity locating piece, and the cross section of return-air plate 9 is
Circle, bonnet 1 is fixed on valve body 2 by bolt nut 15.Ball float 3 is got up by the case weld of two semicircles up and down, is welded
Place be weld seam, center of gravity locating piece causes ball float 3 to remain weld seam horizontality, when ball float, which floats, to be fallen, each
During forming sealing surface with the top of valve seat 11, all it is tip contact of the ball wall with valve seat 11 of lower semisphere, it is to avoid weldering
The shock of seam and valve seat 11, considerably increases the life-span of product.
Bonnet center is also provided with hole, hole being provided with bimetal leaf.Bimetal leaf belongs to stand-by facility, although this facility
Can be fully solved gas block up problem, but when making provision against emergencies in order to ensure completely it is unimpeded, bimetal leaf can be solved
The gas produced when most beginning to use blocks up problem.
Or the center of bonnet 1 is also provided with hole, hole is provided with bleeder screw 16.Bleeder screw 16 belongs to stand-by facility,
Although this facility can be fully solved gas and block up problem, occur to open what discharge the inside was overstock if accident at work
Gas.
As shown in figure 1, the direction of arrow is water (flow) direction.Water enters in valve body 2 from water inlet 4, by the filtering of screen pack 6
Water afterwards is entered in valve body 2 by water inlet in valve 7, and the ball float 3 when water reaches to a certain degree floats because of the buoyancy of water
Come, water just flows away from valve seat orifice 13, through the exits valve body 2 of delivery port 5.Even if water speed is more anxious by screen pack 6, due to provided with returning
Stomata 10, the inner and outer air pressure of screen pack 6 is identical, and current will not form moisture film on screen pack 6, would not produce in the course of the work
Gas blocks up problem.It is addressed simultaneously because gas blocks up problem, the flow of water inlet can be increased, different flows can use same
Individual drain valve, this causes flow to change drain valve when change, very useful.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God is with principle, and any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (7)
1. a kind of huge discharge Free Float Type Steam Trap, including bonnet, valve body, ball float, water inlet and delivery port, the valve body are provided with
Ball float is provided with bonnet, the valve body, it is characterised in that also including screen pack, the screen pack is located at the lower section of water inlet, institute
State provided with water inlet in valve between screen pack and ball float, the screen pack is fixed in valve body by screen pack plug screw, the valve
Return-air plate is provided with body between water inlet and ball float, the return-air plate is provided with several return-air holes；
Drain valve also includes valve seat and valve seat plug screw, and valve seat is located at below delivery port, is connected through a screw thread and is fixed on valve body, institute
The top for stating valve seat points to ball float and contacts to form sealing surface with its surface, and the valve seat plug screw is located at valve body surface, the valve
The center of seat is provided with valve seat orifice, and the afterbody of the valve seat is radially provided with osculum, and the osculum is connected with valve seat orifice, described time
The diameter of stomata is smaller than the diameter of valve seat orifice.
2. a kind of huge discharge Free Float Type Steam Trap according to claim 1, it is characterised in that the bottom of the ball float inwall
Provided with center of gravity locating piece.
3. a kind of huge discharge Free Float Type Steam Trap according to claim 2, it is characterised in that the ball float is floating for stainless steel
Ball.
4. a kind of huge discharge Free Float Type Steam Trap according to claim 1, it is characterised in that the return-air plate cross section is
It is circular.
5. a kind of huge discharge Free Float Type Steam Trap according to claim 1, it is characterised in that the bonnet passes through bolt spiral shell
Cap is fixed on valve body.
6. a kind of huge discharge Free Float Type Steam Trap according to any one of claim 1-5, it is characterised in that also including double
Sheet metal, the bimetal leaf is located at bonnet center.
7. a kind of huge discharge Free Float Type Steam Trap according to any one of claim 1-5, it is characterised in that also including putting
Gas bolt, the bleeder screw is located at bonnet center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410461887.4A CN104266078B (en) | 2014-09-11 | 2014-09-11 | A kind of huge discharge Free Float Type Steam Trap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410461887.4A CN104266078B (en) | 2014-09-11 | 2014-09-11 | A kind of huge discharge Free Float Type Steam Trap |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104266078A CN104266078A (en) | 2015-01-07 |
| CN104266078B true CN104266078B (en) | 2017-10-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410461887.4A Active CN104266078B (en) | 2014-09-11 | 2014-09-11 | A kind of huge discharge Free Float Type Steam Trap |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111569545B (en) * | 2020-05-26 | 2021-08-31 | 江苏双旭动力科技有限公司 | Vortex fast-exhaust steam-water separator |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204201455U (en) * | 2014-09-11 | 2015-03-11 | 上海可疏阀门有限公司 | A kind of huge discharge Ball float steam trap |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3489164A (en) * | 1966-11-29 | 1970-01-13 | Katsuji Fujiwara | Free float type steam trap |
| CN2275182Y (en) * | 1996-08-18 | 1998-02-25 | 王恩岐 | Free floating ball type steam trap |
| CN101949491A (en) * | 2010-09-21 | 2011-01-19 | 上海奉洪阀门有限公司 | Free floating-ball type drain valve |
| CN102954339A (en) * | 2011-08-25 | 2013-03-06 | 上海奉洪阀门有限公司 | Free floating ball type drain valve |
| JP6185238B2 (en) * | 2012-12-04 | 2017-08-23 | 株式会社テイエルブイ | Float steam trap with bypass valve |
-
2014
- 2014-09-11 CN CN201410461887.4A patent/CN104266078B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204201455U (en) * | 2014-09-11 | 2015-03-11 | 上海可疏阀门有限公司 | A kind of huge discharge Ball float steam trap |
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| CN104266078A (en) | 2015-01-07 |
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Effective date of registration: 20190314 Address after: 201413 No. 285 Yisheng Road, Situan Town, Fengxian District, Shanghai Patentee after: Shanghai Pingan High-pressure Adjust Valve Co., Ltd. Address before: Room 3853, No. 1478 Nanfeng Road, Fengxian District, Shanghai, 201411 Patentee before: SHANGHAI KESHU VALVE CO., LTD. |
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