CN110230704A - A kind of damping butterfly valve - Google Patents
A kind of damping butterfly valve Download PDFInfo
- Publication number
- CN110230704A CN110230704A CN201910538720.6A CN201910538720A CN110230704A CN 110230704 A CN110230704 A CN 110230704A CN 201910538720 A CN201910538720 A CN 201910538720A CN 110230704 A CN110230704 A CN 110230704A
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- China
- Prior art keywords
- butterfly valve
- heat supply
- supply butterfly
- hole
- damping
- Prior art date
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- 238000013016 damping Methods 0.000 title claims abstract description 32
- 238000007789 sealing Methods 0.000 claims abstract description 56
- 230000007246 mechanism Effects 0.000 claims abstract description 23
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 11
- 229910002804 graphite Inorganic materials 0.000 claims description 11
- 239000010439 graphite Substances 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 11
- 229910001220 stainless steel Inorganic materials 0.000 claims description 11
- 239000010935 stainless steel Substances 0.000 claims description 11
- 239000007787 solid Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 11
- 238000000605 extraction Methods 0.000 description 5
- 230000002411 adverse Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000003519 ventilatory effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- 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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
- F16K1/222—Shaping of the valve member
-
- 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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
- F16K1/224—Details of bearings for the axis of rotation
-
- 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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/48—Attaching valve members to screw-spindles
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- 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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/52—Means for additional adjustment of the rate of flow
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- 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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0209—Check valves or pivoted valves
- F16K27/0218—Butterfly valves
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- 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
- F16K47/00—Means in valves for absorbing fluid energy
-
- 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
- F16K47/00—Means in valves for absorbing fluid energy
- F16K47/04—Means in valves for absorbing fluid energy for decreasing pressure or noise level, the throttle being incorporated in the closure member
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- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/16—Flanged joints characterised by the sealing means
- F16L23/18—Flanged joints characterised by the sealing means the sealing means being rings
- F16L23/22—Flanged joints characterised by the sealing means the sealing means being rings made exclusively of a material other than metal
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- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/02—Energy absorbers; Noise absorbers
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
- Details Of Valves (AREA)
Abstract
The invention discloses a kind of damping butterfly valves, more particularly to butterfly valve field, including heat supply butterfly valve body, heat supply butterfly valve valve rod is equipped with inside the heat supply butterfly valve body, the heat supply butterfly valve valve rod is equipped with heat supply butterfly valve plate, and the heat supply butterfly valve plate is equipped with the through-flow mechanism of damping；The through-flow mechanism of damping includes multiple through flow holes, and through flow hole one end connection is equipped with speaker hole, and the opening angle of the speaker hole is set as 90 degree, and the heat supply butterfly valve plate is equipped with multiple connectivity slots, is equipped with valve rod fixing groove inside the heat supply butterfly valve plate.The present invention passes through the setting through-flow mechanism of damping, heat supply butterfly valve body aperture is smaller, steam passes through from through flow hole, speaker hole, connectivity slot and the auxiliary through flow hole on heat supply butterfly valve plate, guarantee to reduce the vortex generated while minimum discharge, and the sealing ring with through-hole can play good shock-absorbing functions, entirety makes damping effect of the invention more preferable, can effectively ensure that the safety and unit efficiency of heat supply pipeline.
Description
Technical field
The present invention relates to butterfly valve technical fields, it is more particularly related to a kind of damping butterfly valve.
Background technique
Butterfly valve is called flap valve, is a kind of simple regulating valve of structure, can be used for the switch control of low pressure pipeline medium
Butterfly valve refers to that closure member (flap or butterfly plate) is disk, and a kind of valve of open and close is reached around valve shaft rotation.
Valve can be used for controlling empty gas and water, steam, various corrosive medias, mud, oil product, liquid metal and radioactivity
The flowing of the various types fluid such as medium.Cutting and throttling action are mainly played on pipeline.Butterfly valve opening and closing element is a disc
Butterfly plate, in valve body around its own axis rotate, to achieve the purpose that opening and closing or adjusting.
Butterfly valve is to open, close or adjust a kind of valve of rate-of flow with 90 degree or so of disc type opening and closing element reciprocating rotating
Door.Butterfly valve is not only simple in structure, is small in size, is light-weight, material consumption saves, installation dimension is small, driving moment is small, it is easy to operate,
Rapidly, and there can also be good flow regulating function simultaneously and close sealing characteristics, be with fastest developing speed in recent ten years
One of valve kind.The use of butterfly valve is very extensive.Its kind used and quantity still are continuing to expand, and to high temperature, height
Pressure, heavy caliber, high leakproofness, long-life, excellent control characteristic and the multi-functional development of a valve, reliability and other property
Energy index reaches higher level.
Heat supply butterfly valve is used for the mesolow cylinder cross over pipe of power plant cogeneration units steam turbine, and heat supply butterfly valve minimum stream
Amount is to guarantee that in this way under power plant's underload supplying thermal condition, valve is in small guide vane, at this time by the gap between butterfly plate and valve body
Steam generation is vortexed in pipeline, is that entire pipeline generates serious vibration, is influenced heat supply pipeline safety and unit efficiency.
Summary of the invention
In order to overcome the drawbacks described above of the prior art, the embodiment of the present invention provides a kind of damping butterfly valve, passes through heat supply butterfly
Through flow hole, speaker hole, connectivity slot and auxiliary through flow hole in valve body on heat supply butterfly valve plate pass through steam, the opening of speaker hole
Angle is 90 degree, can guarantee passing through for steam, will not adversely affect to the through-rate of steam, through flow hole, loudspeaker
Hole, connectivity slot and auxiliary through flow hole ensure that the minimum discharge of steam, and when low pressure cross over pipe generates vibration, low pressure connection
Vibration is passed to short tube by siphunculus, and vibration is passed to the second connecting flange, the second connecting flange and heat supply butterfly valve body by short tube
Between sealing ring be made of rubber, be equipped with through-hole in the main body of sealing ring, through-hole and be made of graphite and stainless steel band material
Sealing ring itself enable to sealing ring to play good shock-absorbing functions.
To achieve the above object, the invention provides the following technical scheme: a kind of damping butterfly valve, including heat supply butterfly valve body,
Heat supply butterfly valve valve rod is equipped with inside the heat supply butterfly valve body, the heat supply butterfly valve valve rod is equipped with heat supply butterfly valve plate, described
Heat supply butterfly valve plate is equipped with the through-flow mechanism of damping；
The through-flow mechanism of damping includes multiple through flow holes, and through flow hole one end connection is equipped with speaker hole, the speaker hole
Opening angle is set as 90 degree, and the heat supply butterfly valve plate is equipped with multiple connectivity slots, is equipped with inside the heat supply butterfly valve plate
Valve rod fixing groove is fixed with valve rod fixed plate on the valve rod fixing groove inner wall, and heat supply butterfly valve plate side surface is equipped with
Multiple auxiliary through flow holes；
Heat supply butterfly valve body side is equipped with diversion mechanism；
The diversion mechanism includes bypass pipe and electronic by-passing valve, and the electronic by-passing valve includes electronic valve body and electric stem,
The first connecting flange is equipped between the electronic by-passing valve and bypass pipe；
Heat supply butterfly valve body both ends are equipped with short tube, and the short tube both ends are equipped with the second connecting flange, and described second connects
It is equipped with sealing ring placing groove between acting flange and heat supply butterfly valve body, sealing ring is equipped with inside the sealing ring placing groove, it is described
Sealing ring includes main body, and the body interior vertically runs through equipped with through-hole, and fixed link, the fixed link are equipped with inside the through-hole
Both ends are equipped with gasket, and the sealing ring is made of graphite and stainless steel band material.
In a preferred embodiment, described bypass pipe one end is connected to heat supply butterfly valve body input terminal, the side
The siphunculus other end is connected to heat supply butterfly valve body output end.
In a preferred embodiment, the electronic by-passing valve is fixed on bypass pipe by the first connecting flange.
In a preferred embodiment, the valve rod fixed plate is made of rubber material.
In a preferred embodiment, the cross sectional shape of the auxiliary through flow hole is set as fan-shaped.
In a preferred embodiment, the sealing ring placing groove matches with sealing ring.
In a preferred embodiment, second connecting flange is equipped with fixing bolt, second connection method
It is blue internal through equipped with fixing threaded hole.
In a preferred embodiment, the fixing bolt matches with fixing threaded hole.
Technical effect and advantage of the invention:
1, when the aperture of heat supply butterfly valve body is smaller, steam from heat supply butterfly valve body on heat supply butterfly valve plate through flow hole,
Speaker hole, connectivity slot and auxiliary through flow hole pass through, and the opening angle of speaker hole is 90 degree, can guarantee passing through for steam,
The through-rate of steam will not be adversely affected, through flow hole, speaker hole, connectivity slot and auxiliary through flow hole ensure that steam
Minimum discharge, and when low pressure cross over pipe generates vibration, vibration is passed to short tube by low pressure cross over pipe, and short tube transmits vibration
To the second connecting flange, the sealing ring between the second connecting flange and heat supply butterfly valve body is made of graphite and stainless steel band, close
Through-hole is equipped in the main body of seal, through-hole and the sealing ring itself made of graphite and stainless steel band material enable to sealing ring
Good shock-absorbing functions are played, fixed link is equipped in through-hole, two gaskets are covered by through-hole by fixed link, guarantee sealing
The sealing effect of circle, by the through-flow mechanism of setting damping and diversion mechanism, heat supply butterfly valve body aperture is smaller, and steam is from heat supply butterfly
Through flow hole, speaker hole, connectivity slot and auxiliary through flow hole on valve valve plate pass through, and guarantee to reduce the whirlpool generated while minimum discharge
Stream, and the sealing ring with through-hole can play good shock-absorbing functions, integrally make damping effect of the invention more preferable, energy
The safety and unit efficiency of heat supply pipeline is enough effectively ensured；
2, unit is in Heating State operation, when can effectively adjust steam extraction amount by adjusting in heat supply butterfly valve body open range, and
Under the conditions of low pressure cross over pipe amplitude range acceptable, the electronic by-passing valve on bypass pipe is maintained at standard-sized sheet working condition, energy
It is enough that the effect of sharing is carried out to heat supply butterfly valve body, amplitude is effectively reduced and extends the service life of heat supply butterfly valve body and increases work
Make efficiency.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention.
Fig. 2 is schematic enlarged-scale view at A in Fig. 1 of the invention.
Fig. 3 is schematic enlarged-scale view at B in Fig. 1 of the invention.
Fig. 4 is heat supply butterfly valve plate top view of the invention.
Fig. 5 is through flow hole cross sectional side view of the invention.
Fig. 6 is sealing ring cross sectional side view of the invention.
Fig. 7 is sealing ring three-dimensional structure diagram of the invention.
Appended drawing reference are as follows: 1 heat supply butterfly valve body, 2 heat supply butterfly valve valve rods, 3 heat supply butterfly valve plates, 4 dampings are through-flow mechanism, 5
Through flow hole, 6 speaker holes, 7 connectivity slots, 8 valve rod fixing grooves, 9 valve rod fixed plates, 10 auxiliary through flow holes, 11 diversion mechanisms, 12 bypass
Pipe, 13 electronic by-passing valves, 14 electronic valve bodies, 15 electric stems, 16 first connecting flanges, 17 short tubes, 18 second connecting flanges, 19
Sealing ring placing groove, 20 sealing rings, 21 main bodys, 22 through-holes, 23 fixed links, 24 gaskets, 25 fixing bolts, 26 fixing threaded holes.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
A kind of damping butterfly valve according to shown in Fig. 1-7, including heat supply butterfly valve body 1 are set inside the heat supply butterfly valve body 1
There is heat supply butterfly valve valve rod 2, the heat supply butterfly valve valve rod 2 is equipped with heat supply butterfly valve plate 3, and the heat supply butterfly valve plate 3 is equipped with
Mechanism 4 that damping is through-flow；
The through-flow mechanism 4 of damping includes multiple through flow holes 5, and 5 one end of through flow hole connection is equipped with speaker hole 6, the loudspeaker
The opening angle in hole 6 is set as 90 degree, and the heat supply butterfly valve plate 3 is equipped with multiple connectivity slots 7, the heat supply butterfly valve plate 3
Inside is equipped with valve rod fixing groove 8, is fixed with valve rod fixed plate 9, the heat supply butterfly valve plate on 8 inner wall of valve rod fixing groove
3 side surfaces are equipped with multiple auxiliary through flow holes 10；
1 side of heat supply butterfly valve body is equipped with diversion mechanism 11；
The diversion mechanism 11 includes bypass pipe 12 and electronic by-passing valve 13, and the electronic by-passing valve 13 includes electronic 14 He of valve body
Electric stem 15 is equipped with the first connecting flange 16 between the electronic by-passing valve 13 and bypass pipe 12；
1 both ends of heat supply butterfly valve body are equipped with short tube 17, and 17 both ends of short tube are equipped with the second connecting flange 18, described
It is equipped with sealing ring placing groove 19 between second connecting flange 18 and heat supply butterfly valve body 1, is set inside the sealing ring placing groove 19
There is sealing ring 20, the sealing ring 20 includes main body 21, and 21 inside of main body is vertically through equipped with through-hole 22, the through-hole 22
Inside is equipped with fixed link 23, and 23 both ends of fixed link are equipped with gasket 24, and the sealing ring 20 is by graphite and stainless steel band
Material is made；
Described 12 one end of bypass pipe is connected to 1 input terminal of heat supply butterfly valve body, 12 other end of bypass pipe and heat supply butterfly valve valve
The connection of 1 output end of body；
The electronic by-passing valve 13 is fixed on bypass pipe 12 by the first connecting flange 16；
The valve rod fixed plate 9 is made of rubber material；
The cross sectional shape of the auxiliary through flow hole 10 is set as fan-shaped；
The sealing ring placing groove 19 matches with sealing ring 20；
Second connecting flange 18 is equipped with fixing bolt 25, runs through inside second connecting flange 18 and is equipped with fixing threaded hole
26；
The fixing bolt 25 matches with fixing threaded hole 26.
Embodiment specifically: in using the present invention, first connect at 1 both ends of heat supply butterfly valve body with short tube 17, short tube
17 both ends are equipped with the second connecting flange 18, and there are sealing ring placing grooves between the second connecting flange 18 and heat supply butterfly valve body 1
19, sealing ring placing groove will be put into the sealing ring 20 made of graphite and stainless steel band that sealing ring placing groove 19 matches
In 19, then fixing bolt 25 is screwed into fixing threaded hole 26, so that short tube 17 and heat supply butterfly valve body 1 are fixed together, then
The electronic valve body 14 of electronic by-passing valve 13 is fixed on bypass pipe 12 by the first connecting flange 16,12 one end of bypass pipe and confession
The connection of hot 1 input terminal of butterfly valve body, 12 other end of bypass pipe are connected to 1 output end of heat supply butterfly valve body, enable bypass pipe 12
Shunting function is played to heat supply butterfly valve body 1, then one end of two short tubes 17 is connected with the low pressure cross over pipe of unit, so that
Heat supply butterfly valve body 1 can work normally, and in normal work, heat supply butterfly valve body 1 can be in 25%-100% open range
Ventilatory capacity is effectively adjusted, and has fraction from the steam that low pressure cross over pipe passes through and enters bypass pipe 12, bypass pipe
12 can reduce the work load of heat supply butterfly valve body 1, prolong its service life, and when the aperture of heat supply butterfly valve body 1 is smaller, steam
Gas leads to from through flow hole 5, speaker hole 6, connectivity slot 7 and the auxiliary through flow hole 10 in heat supply butterfly valve body 1 on heat supply butterfly valve plate 3
It crosses, the opening angle of speaker hole 6 is 90 degree, can guarantee passing through for steam, will not cause not to the through-rate of steam
Benefit influences, and through flow hole 5, speaker hole 6, connectivity slot 7 and auxiliary through flow hole 10 ensure that the minimum discharge of steam, and join in low pressure
When siphunculus generates vibration, vibration is passed to short tube 17 by low pressure cross over pipe, and vibration is passed to the second connecting flange 18 by short tube 17,
Sealing ring 20 between second connecting flange 18 and heat supply butterfly valve body 1 is made of graphite and stainless steel band, the master of sealing ring 20
Through-hole 22 is equipped in body 21, through-hole 22 and the sealing ring 20 made of graphite and stainless steel band material enable to sealing ring in itself
20 play good shock-absorbing functions, and fixed link 23 is equipped in through-hole 22, are covered two gaskets 24 by fixed link 23 logical
Hole 22 guarantees the sealing effect of sealing ring 20, and unit is run in Heating State, by adjusting in 1 open range of heat supply butterfly valve body
When energy saving effectively adjusting steam extraction amount, and under the conditions of low pressure cross over pipe amplitude range acceptable, the electronic side on bypass pipe 12
Port valve 13 is maintained at standard-sized sheet working condition, can carry out the effect of sharing to heat supply butterfly valve body 1, and amplitude is effectively reduced and extends confession
The service life of hot butterfly valve body 1 simultaneously increases working efficiency；It cannot effectively be adjusted when by the adjusting of 1 open range of heat supply butterfly valve body
When saving steam extraction amount or under conditions of low pressure cross over pipe amplitude range is unacceptable, then heat supply butterfly valve body 1 is allowed to go to zero aperture shape
State, and reduction adjusting is carried out to the aperture of the electronic by-passing valve on bypass pipe 12, until meeting the requirement of steam extraction amount, pass through setting
Mechanism 4 that damping is through-flow and diversion mechanism 11,1 aperture of heat supply butterfly valve body is smaller, and steam is from the through flow hole on heat supply butterfly valve plate 3
5, speaker hole 6, connectivity slot 7 and auxiliary through flow hole 10 pass through, and guarantee to reduce the vortex generated while minimum discharge, and have
The sealing ring 20 of through-hole 22 can play good shock-absorbing functions, integrally make damping effect of the invention more preferable, can be effective
Guarantee the safety and unit efficiency of heat supply pipeline.
Working principle of the present invention:
Referring to Figure of description 1-7, when the aperture of heat supply butterfly valve body 1 is smaller, steam heat supply butterfly from heat supply butterfly valve body 1
Through flow hole 5, speaker hole 6, connectivity slot 7 and auxiliary through flow hole 10 on valve valve plate 3 pass through, and the opening angle of speaker hole 6 is 90 degree,
It can guarantee passing through for steam, the through-rate of steam will not be adversely affected, through flow hole 5, speaker hole 6, connection
Slot 7 and auxiliary through flow hole 10 ensure that the minimum discharge of steam, and when low pressure cross over pipe generates vibration, low pressure cross over pipe will
Vibration passes to short tube 17, and vibration is passed to the second connecting flange 18, the second connecting flange 18 and heat supply butterfly valve valve by short tube 17
Sealing ring 20 between body 1 is made of graphite and stainless steel band, is equipped with through-hole 22 in the main body 21 of sealing ring 20, through-hole 22 and by
Sealing ring 20 made of graphite and stainless steel band material enables to sealing ring 20 to play good shock-absorbing functions in itself, in through-hole
It is equipped with fixed link 23 in 22, two gaskets 24 are covered by through-hole 22 by fixed link 23, guarantee the sealing effect of sealing ring 20,
By the through-flow mechanism 4 of setting damping and diversion mechanism 11,1 aperture of heat supply butterfly valve body is smaller, and steam is from heat supply butterfly valve plate 3
Through flow hole 5, speaker hole 6, connectivity slot 7 and auxiliary through flow hole 10 pass through, guarantee minimum discharge while reduce generate vortex,
And the sealing ring 20 with through-hole 22 can play good shock-absorbing functions, integrally make damping effect of the invention more preferable,
It can effectively ensure that the safety and unit efficiency of heat supply pipeline；
Referring to Figure of description 1, unit is run in Heating State, can be effective by adjusting in 1 open range of heat supply butterfly valve body
When adjusting steam extraction amount, and under the conditions of low pressure cross over pipe amplitude range acceptable, the electronic by-passing valve 13 on bypass pipe 12 is protected
It holds in standard-sized sheet working condition, the effect of sharing can be carried out to heat supply butterfly valve body 1, amplitude is effectively reduced and extends heat supply butterfly valve valve
The service life of body 1 simultaneously increases working efficiency.
The several points that should finally illustrate are: firstly, in the description of the present application, it should be noted that unless otherwise prescribed and
It limits, term " installation ", " connected ", " connection " shall be understood in a broad sense, can be mechanical connection or electrical connection, be also possible to two
Connection inside element, can be directly connected, and "upper", "lower", "left", "right" etc. are only used for indicating relative positional relationship, when
The absolute position for being described object changes, then relative positional relationship may change；
Secondly: the present invention discloses in embodiment attached drawing, relates only to the structure being related to the embodiment of the present disclosure, and other structures can
With reference to being commonly designed, under not conflict situations, the same embodiment of the present invention and different embodiments be can be combined with each other；
Last: the foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of damping butterfly valve, including heat supply butterfly valve body (1), it is characterised in that: be equipped with inside the heat supply butterfly valve body (1)
Heat supply butterfly valve valve rod (2), the heat supply butterfly valve valve rod (2) are equipped with heat supply butterfly valve plate (3), the heat supply butterfly valve plate (3)
It is equipped with the through-flow mechanism of damping (4)；
The through-flow mechanism of damping (4) includes multiple through flow holes (5), and through flow hole (5) one end connection is equipped with speaker hole (6),
The opening angle of the speaker hole (6) is set as 90 degree, and the heat supply butterfly valve plate (3) is equipped with multiple connectivity slots (7), described
Valve rod fixing groove (8) are equipped with inside heat supply butterfly valve plate (3), valve rod is fixed on valve rod fixing groove (8) inner wall and fixes
Plate (9), heat supply butterfly valve plate (3) side surface are equipped with multiple auxiliary through flow holes (10)；
Heat supply butterfly valve body (1) side is equipped with diversion mechanism (11)；
The diversion mechanism (11) includes bypass pipe (12) and electronic by-passing valve (13), and the electronic by-passing valve (13) includes electronic
Valve body (14) and electric stem (15) are equipped with the first connecting flange between the electronic by-passing valve (13) and bypass pipe (12)
(16)；
Heat supply butterfly valve body (1) both ends are equipped with short tube (17), and short tube (17) both ends are equipped with the second connecting flange
(18), sealing ring placing groove (19) are equipped between second connecting flange (18) and heat supply butterfly valve body (1), the sealing ring
Sealing ring (20) are equipped with inside placing groove (19), the sealing ring (20) includes main body (21), and the main body (21) is internal vertical
Through through-hole (22) are equipped with, fixed link (23) are equipped with inside the through-hole (22), fixed link (23) both ends are equipped with sealing
It pads (24), the sealing ring (20) is made of graphite and stainless steel band material.
2. a kind of damping butterfly valve according to claim 1, it is characterised in that: described bypass pipe (12) one end and heat supply butterfly valve
The connection of valve body (1) input terminal, bypass pipe (12) other end are connected to heat supply butterfly valve body (1) output end.
3. a kind of damping butterfly valve according to claim 1, it is characterised in that: the electronic by-passing valve (13) connects by first
Acting flange (16) is fixed on bypass pipe (12).
4. a kind of damping butterfly valve according to claim 1, it is characterised in that: the valve rod fixed plate (9) is by rubber material
It is made.
5. a kind of damping butterfly valve according to claim 1, it is characterised in that: the cross sectional shape of auxiliary through flow hole (10)
It is set as fan-shaped.
6. a kind of damping butterfly valve according to claim 1, it is characterised in that: the sealing ring placing groove (19) and sealing ring
(20) match.
7. a kind of damping butterfly valve according to claim 1, it is characterised in that: second connecting flange (18) is equipped with solid
Determine bolt (25), through equipped with fixing threaded hole (26) inside second connecting flange (18).
8. a kind of damping butterfly valve according to claim 1, it is characterised in that: the fixing bolt (25) and fixing threaded hole
(26) match.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910538720.6A CN110230704B (en) | 2019-06-20 | 2019-06-20 | Damping butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910538720.6A CN110230704B (en) | 2019-06-20 | 2019-06-20 | Damping butterfly valve |
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| Publication Number | Publication Date |
|---|---|
| CN110230704A true CN110230704A (en) | 2019-09-13 |
| CN110230704B CN110230704B (en) | 2024-05-24 |
Family
ID=67856988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910538720.6A Active CN110230704B (en) | 2019-06-20 | 2019-06-20 | Damping butterfly valve |
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| Country | Link |
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| CN111255901A (en) * | 2020-01-15 | 2020-06-09 | 王中雨 | High-efficiency electromechanical valve |
| CN114396480A (en) * | 2022-02-08 | 2022-04-26 | 国工控股集团有限公司 | Ultra-low torque butterfly valve |
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| CN114396480A (en) * | 2022-02-08 | 2022-04-26 | 国工控股集团有限公司 | Ultra-low torque butterfly valve |
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|---|---|
| CN110230704B (en) | 2024-05-24 |
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