CN106567953B - Steam control valve - Google Patents
Steam control valve Download PDFInfo
- Publication number
- CN106567953B CN106567953B CN201610976466.4A CN201610976466A CN106567953B CN 106567953 B CN106567953 B CN 106567953B CN 201610976466 A CN201610976466 A CN 201610976466A CN 106567953 B CN106567953 B CN 106567953B
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- Prior art keywords
- control valve
- steam
- valve
- adjusting
- locating part
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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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift 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
- 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
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/44—Details of seats or valve members of double-seat 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
- 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
- F16K41/00—Spindle sealings
- F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
Abstract
The invention discloses a kind of steam control valves, belong to steam valve engineering field.The regulating valve seat of the steam control valve is provided with steam discharge chamber, valve pocket is adjusted coaxially to be fixedly mounted in steam discharge chamber, adjust opposite steam drain there are two opening up on the side wall of valve pocket, adjusting spool is movably through two steam drains and regulating valve seat, first control valve and the second control valve cooperate with two steam drains respectively, the first locating part and the second locating part are provided in adjusting spool, when the first control valve and the second control valve closure are arranged on two steam drains, the inner wall of first locating part and steam discharge chamber offsets, there are free gaps between second locating part and the inner wall of steam discharge chamber；The area of first control valve is greater than the area of the second control valve.In external driving force failure, steam control valve can be automatically closed, and to protect to entire gas utilization unit, increase the service life of gas utilization unit, and avoid the generation of safety accident.
Description
Technical field
The present invention relates to steam valve engineering field, in particular to a kind of steam control valve.
Background technique
Steam control valve is a kind of valve for being widely used in steam engineering field, and major function is opened by valve
The adjusting of degree, to realize the adjusting of steam flow, to meet gas utilization unit under different working conditions to different steam streams
The demand of amount.
The structure of existing steam control valve is more similar, and main structure includes regulating valve seat, adjusts valve pocket, regulating valve
Door and adjusting spool, regulating valve seat are provided with steam discharge chamber, adjust valve pocket and are mounted in steam discharge chamber, regulating valve set have communicate into
Steam ports and steam drain, control valve can be opened and closed to be arranged on steam drain, and one end of adjusting spool is fixedly connected with control valve,
The other end of adjusting spool slides through regulating valve seat and connect with external driving force, drives adjusting spool by external driving force
It is slided in regulating valve seat, changes position of the adjusting spool in regulating valve seat, to regulate and control the aperture of control valve, steamed with controlling
The delivery flow of vapour.
In the implementation of the present invention, it is found by the applicant that at least having the disadvantage that in the prior art
Existing steam control valve is the opening and closing that valve is controlled to adjust by external driving force, if external driving force is unexpected
Failure, control valve will be kept it turned on, and steam will be discharged all the time by steam control valve, may use vapour to entire in this way
Equipment generates damage, influences the service life of gas utilization unit, or even can generate safety accident.
Summary of the invention
In order to solve in the prior art because of the external driving force catastrophic failure for controlling to adjust valve opening and closing, control valve cannot
It is automatically closed and leads to the problem of, the embodiment of the invention provides a kind of steam control valves.The technical solution is as follows:
A kind of steam control valve of the embodiment of the present invention, the steam control valve include regulating valve seat, adjust valve pocket, adjust
Valve and adjusting spool are provided with the steam discharge chamber of perforation in the regulating valve seat,
The steam discharge chamber is cylindrical, and the adjusting valve pocket is coaxially fixedly mounted in the steam discharge chamber, the regulating valve
One end of set is provided with air intake, the other end closing for adjusting valve pocket；
Opposite steam drain there are two opening up on the side wall for adjusting valve pocket, the adjusting spool is movably through two
A steam drain setting, and the equal activity in both ends of the adjusting spool is pierced by the regulating valve seat setting, the adjusting spool
Central axis in the axis of the steam discharge chamber, the control valve include interval be fixed in the adjusting spool first
Control valve and the second control valve, first control valve and second control valve respectively with two steam drains
Cooperation；
The first locating part and the second locating part, first control valve and described second are additionally provided in the adjusting spool
Control valve is between first locating part and second locating part, and first locating part is adjusted close to described first
Save valve setting, when first control valve and second control valve closure be arranged on two steam drains when,
The inner wall of first locating part and the steam discharge chamber offsets, and exists between second locating part and the inner wall of the steam discharge chamber
Free gap；
First control valve acts on the sectional area of the corresponding steam drain, is greater than second control valve and makees
Sectional area for the corresponding steam drain；
Opposite mounting hole there are two opening up on the regulating valve seat, two mounting holes and two steam drains are same
Axis is arranged, and is detachably provided with an adjusting valve deck in each mounting hole, the both ends of the adjusting spool are slided respectively
Across the adjusting valve deck；
The adjusting valve deck is provided with the first through hole passed through by the adjusting spool activity and the second through-hole, and described first
The internal diameter of through-hole and the outer diameter of the adjusting spool match, and the internal diameter of second through-hole is greater than the interior of the first through hole
Diameter, is filled with sealing material in second through-hole, and second through-hole passes through the sealing that cooperates with second through hole whorl
Nut seal, the sealing nut sliding sleeve is in the adjusting spool；
The sealing material is filled between second through-hole and the sealing nut, and the sealing material is flexible stone
Black filler.
Further, fixing sleeve is equipped with spacing collar, first control valve and described second in the adjusting spool
Control valve is fixedly mounted on the spacing collar, between one end of the spacing collar and first control valve
Part is first locating part, and part between the other end of the spacing collar and second control valve is described the
Two locating parts.
Further, first control valve and second control valve are in and the corresponding steam drain phase
The circle matched, when the steam control valve is closed, first control valve and second control valve are fitted close
In corresponding steam drain.
Further, the inner wall of the mounting hole is provided with the first cyclic annular inner stopper, and the adjusting valve deck is provided with and institute
State the first cyclic annular male half coupling that the first cyclic annular inner stopper matches.
Further, the adjusting valve deck is connect by multiple lock-screws with the regulating valve seat.
Further, the first through hole and second through-hole press the control valve to the direction for adjusting valve deck
It sets gradually, to facilitate installation.
Further, the second cyclic annular inner stopper is provided in the regulating valve seat, described axial one end for adjusting valve pocket is set
It is equipped with the second cyclic annular male half coupling to match with the described second cyclic annular inner stopper, the axial other end for adjusting valve pocket is located at institute
State the intracavitary portion of steam discharge.
Further, the regulating valve seat is cylindrical, is provided on the end face at the both ends of the regulating valve seat multiple
Threaded hole, to be used for and piping connection.
Technical solution provided in an embodiment of the present invention has the benefit that
Steam control valve provided by the embodiment of the present invention, since steam control valve includes regulating valve seat, adjusts valve pocket, tune
Valve and adjusting spool are saved, the steam discharge chamber of perforation is provided in regulating valve seat, steam discharge chamber is cylindrical, adjusts valve pocket and coaxially fixes
It is mounted in steam discharge chamber, the one end for adjusting valve pocket is provided with air intake, adjusts the other end closing of valve pocket, adjusts the side wall of valve pocket
On open up there are two opposite steam drain, therefore, steam can enter from air intake, and flow out in steam discharge chamber from steam drain.
Since adjusting spool is arranged movably through two steam drains, and the equal activity in both ends of adjusting spool is pierced by adjusting
Valve seat setting, for the central axis of adjusting spool in the axis of steam discharge chamber, control valve includes that interval is fixed in adjusting spool
The first control valve and the second control valve, the first control valve and the second control valve cooperate with two steam drains respectively,
Therefore, adjusting spool can be driven to slide in regulating valve seat by external driving force, changes adjusting spool in regulating valve seat
Position, to regulate and control the aperture of control valve, to control the delivery flow of steam.
Due to being additionally provided with the first locating part and the second locating part, the first control valve and the second control valve in adjusting spool
Between the first locating part and the second locating part, and the first locating part is arranged close to the first control valve；When the first regulating valve
Door and second control valve closure are arranged when on two steam drains, and the inner wall of the first locating part and steam discharge chamber offsets, the
There are free gaps between two locating parts and the inner wall of steam discharge chamber.Therefore, when the first control valve and the second control valve are opened
When, adjusting spool can only drive the first control valve and the second control valve mobile to the direction of the second locating part, and regulating valve
When closed, adjusting spool can only drive the first control valve and the second control valve mobile to the direction of the first locating part to door,
Until the first locating part is against on the inner wall of steam discharge chamber, so that control valve completely closes.
Since the first control valve acts on the sectional area of corresponding steam drain, correspondence is acted on greater than the second control valve
Steam drain sectional area, therefore, when external driving force failure when, adjust valve pocket in steam to the first control valve and second
The active force that control valve generates is different, to force the first control valve and the second control valve to positioned at the first control valve
Direction is mobile, and then steam control valve is automatically closed, and can thus protect to entire gas utilization unit, with increase vapour
The service life of equipment, and avoid the generation of safety accident.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is the structural schematic diagram of regulating valve provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of the adjusting valve pocket of steam control valve in the embodiment of the present invention；
Fig. 3 is the structural schematic diagram of the regulating valve seat of steam control valve in the embodiment of the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
The embodiment of the invention discloses a kind of steam control valves.Fig. 1 is steam control valve provided in an embodiment of the present invention
Structural schematic diagram, referring to Fig. 1, which includes regulating valve seat 1, adjusts valve pocket 2, control valve 3 and adjusting spool 4.
It is provided with the steam discharge chamber 11 of perforation in the regulating valve seat 1 of the embodiment of the present invention, adjusts valve pocket 2 and is fixedly mounted on steam discharge
In chamber 11.
Fig. 2 is the structural schematic diagram of the adjusting valve pocket of steam control valve in the embodiment of the present invention, in conjunction with Fig. 1 and Fig. 2, this hair
One end of the adjusting valve pocket 2 of bright embodiment is provided with air intake 16, adjusts the other end closing of valve pocket 2, adjusts the side wall of valve pocket 2
On open up there are two opposite steam drain 17, there are two the settings of control valve 3, and respectively the first control valve 3 and second is adjusted
Valve 10, the first control valve 3 and the second control valve 10 cooperate with two steam drains 17 respectively.
In conjunction with Fig. 1, adjusting spool 4 is arranged movably through two steam drains 17, and the both ends of adjusting spool 4 are movable
It is pierced by the setting of regulating valve seat 1, the central axis of adjusting spool 4 is in being additionally provided with first on the axis of steam discharge chamber 11, adjusting spool 4
Locating part and the second locating part, the first control valve 3 and the second control valve 10 be located at the first locating part and the second locating part it
Between, and the first locating part is arranged close to the first control valve 3；When the first control valve 3 and the closure setting of the second control valve 10
When on two steam drains 17, the inner wall of the first locating part and steam discharge chamber 11 offsets, the inner wall of the second locating part and steam discharge chamber 11
Between there are free gaps.
In the embodiment of the present invention, the first control valve 3 acts on the sectional area of corresponding steam drain 17, is greater than second and adjusts
Valve 10 acts on the sectional area of corresponding steam drain 17.
Steam control valve provided by the embodiment of the present invention, since steam control valve includes regulating valve seat, adjusts valve pocket, tune
Valve and adjusting spool are saved, the steam discharge chamber of perforation is provided in regulating valve seat, steam discharge chamber is cylindrical, adjusts valve pocket and coaxially fixes
It is mounted in steam discharge chamber, the one end for adjusting valve pocket is provided with air intake, adjusts the other end closing of valve pocket, adjusts the side wall of valve pocket
On open up there are two opposite steam drain, therefore, steam can enter from air intake, and flow out in steam discharge chamber from steam drain.
Since adjusting spool is arranged movably through two steam drains, and the equal activity in both ends of adjusting spool is pierced by adjusting
Valve seat setting, for the central axis of adjusting spool in the axis of steam discharge chamber, control valve includes that interval is fixed in adjusting spool
The first control valve and the second control valve, the first control valve and the second control valve cooperate with two steam drains respectively,
Therefore, adjusting spool can be driven to slide in regulating valve seat by external driving force, changes adjusting spool in regulating valve seat
Position, to regulate and control the aperture of control valve, to control the delivery flow of steam.
Due to being additionally provided with the first locating part and the second locating part, the first control valve and the second control valve in adjusting spool
Between the first locating part and the second locating part, and the first locating part is arranged close to the first control valve；When the first regulating valve
Door and second control valve closure are arranged when on two steam drains, and the inner wall of the first locating part and steam discharge chamber offsets, the
There are free gaps between two locating parts and the inner wall of steam discharge chamber.Therefore, when the first control valve and the second control valve are opened
When, it is mobile to the direction of the second locating part that adjusting spool can only drive the first control valve and the second control valve 10, and adjusts
When closed, adjusting spool can only drive the first control valve and the second control valve to move to the direction of the first locating part to valve
It is dynamic, until the first locating part is against on the inner wall of steam discharge chamber, so that control valve completely closes.
Since the first control valve acts on the sectional area of corresponding steam drain, correspondence is acted on greater than the second control valve
Steam drain sectional area, therefore, when external driving force failure when, adjust valve pocket in steam to the first control valve and second
The active force that control valve generates is different, to force the first control valve and the second control valve to positioned at the first control valve
Direction is mobile, and then steam control valve is automatically closed, and can thus protect to entire gas utilization unit, with increase vapour
The service life of equipment, and avoid the generation of safety accident.
Two steam drains 17 in the embodiment of the present invention due to being oppositely arranged, steam can by adjust valve pocket 2 on
Two steam drains 17 carry out the through-flow of 180 ° of directions, be suitable for straight line installation on jet chimney；Meanwhile the structure can guarantee
Steam is uniformly through-flow, reduces noise, while reducing the structure size of entire steam control valve, can solve the peace of steam control valve
The problem of filling space.
In conjunction with Fig. 1, a spacing collar 5 can be housed with fixing sleeve, first adjusts in the adjusting spool 4 in the embodiment of the present invention
Section valve 3 and the second control valve 10 are fixedly mounted on spacing collar 5, one end of spacing collar 5 and the first control valve 3
Between part be the first locating part, part between the other end of spacing collar 5 and the second control valve 10 is the second limit
Part.
The first locating part and the second locating part in the embodiment of the present invention may be to be set in 4 both ends of adjusting spool
Two sleeves, the embodiment of the present invention to the structure of the first locating part and the second locating part herein with no restrictions.
The first control valve 3 and the second control valve 10 in the embodiment of the present invention are in and corresponding 17 phase of steam drain
The circle matched, when steam control valve is closed, the first control valve 3 and the second control valve 10 fit snugly in corresponding row
In steam ports 17.
Fig. 3 is the structural schematic diagram of the regulating valve seat of steam control valve in the embodiment of the present invention, in conjunction with Fig. 1 and Fig. 3, this hair
Opposite mounting hole 12, two mounting holes 12 and two steam drains there are two being opened up on regulating valve seat 1 in bright embodiment
16 are coaxially disposed, and are detachably provided with an adjusting valve deck 6 in each mounting hole 12, the both ends of adjusting spool 4 are slided respectively
Across adjusting valve deck 6.
Specifically, the first cyclic annular inner stopper 13 can be set in the inner wall of mounting hole 12, has been mounted in the mounting hole 12
Adjusting valve deck 6 the first cyclic annular male half coupling 19 to match with the first cyclic annular inner stopper 13 can be set, adjust the of valve deck 6
After one cyclic annular male half coupling 19 is mounted on the first cyclic annular inner stopper 13 of mounting hole 12, can be realized by multiple lock-screws 7 can
Dismantling connection, to realize the assembly for adjusting valve deck 6 on regulating valve seat 1.
Since the adjusting valve deck 12 of the embodiment of the present invention is detachably to be arranged, this can facilitate the inside of steam control valve
Assembly work.
In conjunction with Fig. 1, it is logical that be conditioned that 4 activity of spool passes through first can be set in the adjusting valve deck 6 of the embodiment of the present invention
Hole 20 and the second through-hole 21, the internal diameter of first through hole 20 and the outer diameter of adjusting spool 4 match, and the internal diameter of the second through-hole 21 is greater than
The internal diameter of first through hole 20, be filled with sealing material 8 in the second through-hole 21, and the second through-hole 21 can be by being threadedly engaged with it
Sealing nut 9 seals, and 9 sliding sleeve of sealing nut is in adjusting spool 4, to prevent steam leakage.
Sealing material 8 in the embodiment of the present invention has the function of steam seal, can be flexible graphite packing etc..
The first through hole 20 of the embodiment of the present invention and the second through-hole 21 are by control valve 4 to adjusting the direction of valve deck 6 successively
Setting, to facilitate installation.
The first through hole 20 of the embodiment of the present invention and the second through-hole 21 can also be by adjusting valve deck 6 to the side of control valve 4
To setting, the embodiment of the present invention is without limitation.
In the embodiment of the present invention, when needing to supplement sealing material, rotating gland nut 8, sealing nut 8 can edge
Adjusting spool 4 screwed out out of second through-hole 21.
The adjusting valve deck 6 of the embodiment of the present invention can provide two o'clock support for adjusting spool 4, rigid with the support for enhancing whole
Degree, in addition, the sealing material can also be to adjusting due to being provided with sealing material 8 between adjusting spool 4 and adjusting valve deck 6
The sliding of spool 4 is lubricated, and prevents adjusting spool 4 from bite occurring in the process of moving.
In conjunction with Fig. 1, the steam discharge chamber 11 in the embodiment of the present invention can be cylindrical in shape, steam discharge chamber 11 and the adjusting coaxial cloth of valve pocket 2
It sets.
In conjunction with Fig. 3, the regulating valve seat 1 of the embodiment of the present invention is the pedestal of steam control valve, and regulating valve seat 1 can be in cylinder
Shape, the both ends of regulating valve seat 1 are provided with multiple threaded holes 14, and to be used for and piping connection, kind structure is adapted for mount on straight line
On the jet chimney of type.
In conjunction with Fig. 1, it is provided with the second cyclic annular inner stopper 15 in the regulating valve seat 1 of the embodiment of the present invention, adjusts the axis of valve pocket 2
The the second cyclic annular male half coupling 18 to match with the second cyclic annular inner stopper 15 is provided with to one end, and the axial direction for adjusting valve pocket 2 is another
It holds to 11 internal stretch of steam discharge chamber.
Rotation body structure of the regulating valve seat 1 and adjusting valve pocket 2 of the embodiment of the present invention due to using rule, it can
It is easily processed, is cast without special curved surface, simplify the manufacturing process of entire steam control valve.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within 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 steam control valve, the steam control valve includes regulating valve seat, adjusts valve pocket, control valve and adjusting spool,
The steam discharge chamber of perforation is provided in the regulating valve seat, which is characterized in that
The steam discharge chamber is cylindrical, and the adjusting valve pocket is coaxially fixedly mounted in the steam discharge chamber, the adjusting valve pocket
One end is provided with air intake, the other end closing for adjusting valve pocket；
Opposite steam drain there are two opening up on the side wall for adjusting valve pocket, the adjusting spool is movably through two institutes
Steam drain setting is stated, and the equal activity in both ends of the adjusting spool is pierced by the regulating valve seat and is arranged, in the adjusting spool
For mandrel perpendicular to the axis of the steam discharge chamber, the control valve includes the first adjusting that interval is fixed in the adjusting spool
Valve and the second control valve, first control valve and second control valve are matched with two steam drains respectively
It closes；
The first locating part and the second locating part are additionally provided in the adjusting spool, first control valve and described second are adjusted
Valve is between first locating part and second locating part, and first locating part is close to first regulating valve
Door setting, when first control valve and second control valve closure be arranged on two steam drains when, it is described
The inner wall of first locating part and the steam discharge chamber offsets, and there is activity between second locating part and the inner wall of the steam discharge chamber
Gap；
First control valve acts on the sectional area of the corresponding steam drain, acts on greater than second control valve
The sectional area of the corresponding steam drain；
It is opened up on the regulating valve seat there are two opposite mounting hole, two mounting holes are coaxially set with two steam drains
It sets, an adjusting valve deck is detachably provided in each mounting hole, the both ends of the adjusting spool slide through respectively
The adjusting valve deck；
The adjusting valve deck is provided with the first through hole passed through by the adjusting spool activity and the second through-hole, the first through hole
Internal diameter and the outer diameter of the adjusting spool match, the internal diameter of second through-hole is greater than the internal diameter of the first through hole, institute
It states filled with sealing material in the second through-hole, second through-hole is close by the sealing nut cooperated with second through hole whorl
Envelope, the sealing nut sliding sleeve is in the adjusting spool；
The sealing material is filled between second through-hole and the sealing nut, and the sealing material is filled out for soft graphite
Material.
2. steam control valve according to claim 1, which is characterized in that fixing sleeve is equipped with limit sleeve in the adjusting spool
Cylinder, first control valve and second control valve are fixedly mounted on the spacing collar, the spacing collar
One end and first control valve between part be first locating part, the other end of the spacing collar with it is described
Part between second control valve is second locating part.
3. steam control valve according to claim 1, which is characterized in that first control valve and described second is adjusted
Valve is in the circle to match with the corresponding steam drain, when the steam control valve is closed, first regulating valve
Door and second control valve fit snugly in corresponding steam drain.
4. steam control valve according to claim 1, which is characterized in that the inner wall of the mounting hole is provided with the first ring-type
Inner stopper, the valve deck that adjusts are provided with the first cyclic annular male half coupling to match with the described first cyclic annular inner stopper.
5. steam control valve according to claim 4, which is characterized in that the adjusting valve deck by multiple lock-screws with
The regulating valve seat connection.
6. steam control valve according to claim 1, which is characterized in that the first through hole and second through-hole press institute
Control valve is stated to set gradually to the direction for adjusting valve deck.
7. steam control valve according to claim 1-6, which is characterized in that be provided in the regulating valve seat
Two cyclic annular inner stoppers, described axial one end for adjusting valve pocket are provided with the second ring-type to match with the described second cyclic annular inner stopper
Male half coupling, the axial other end for adjusting valve pocket are located at the intracavitary portion of the steam discharge.
8. steam control valve according to claim 1-6, which is characterized in that the regulating valve seat is cylindrical,
Multiple threaded holes are provided on the end face at the both ends of the regulating valve seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610976466.4A CN106567953B (en) | 2016-11-07 | 2016-11-07 | Steam control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610976466.4A CN106567953B (en) | 2016-11-07 | 2016-11-07 | Steam control valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106567953A CN106567953A (en) | 2017-04-19 |
| CN106567953B true CN106567953B (en) | 2019-04-02 |
Family
ID=58540226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610976466.4A Active CN106567953B (en) | 2016-11-07 | 2016-11-07 | Steam control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106567953B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110043330B (en) * | 2019-05-05 | 2021-08-03 | 江苏源生源动力科技有限公司 | Steam turbine steam inlet regulating valve steam distribution mechanism with safety |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1675575A1 (en) * | 1967-07-29 | 1970-12-23 | Samson Appbau Ag | Valve cone mounting |
| SU426096A1 (en) * | 1970-12-14 | 1974-04-30 | В. И. Строков | TWO-WAY VALVE |
| DE4129755C2 (en) * | 1991-09-04 | 1994-09-29 | Mannesmann Ag | Double seat valve arrangement |
| CN1098984C (en) * | 1999-05-15 | 2003-01-15 | 陈西火 | Durable leakproof mixing stop valve |
| DE50111924D1 (en) * | 2000-04-03 | 2007-03-15 | Siemens Schweiz Ag | shut-off valve |
| US6397892B1 (en) * | 2000-08-29 | 2002-06-04 | Enron Machine & Mechnical Services, Inc. | Multi-stage unloader |
| CN202708307U (en) * | 2012-07-25 | 2013-01-30 | 杭州浙临阀门有限公司 | Temperature and pressure reducing valve with throttle cover |
| CN204062071U (en) * | 2014-07-10 | 2014-12-31 | 宁波埃美柯铜阀门有限公司 | Adjustable differential-pressure bypass valve |
| CN204175969U (en) * | 2014-08-14 | 2015-02-25 | 重庆海王仪器仪表有限公司 | High pressure sleeve angle valve arrangement |
-
2016
- 2016-11-07 CN CN201610976466.4A patent/CN106567953B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106567953A (en) | 2017-04-19 |
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