CN106122568B - A kind of pneumatic control valve - Google Patents
A kind of pneumatic control valve Download PDFInfo
- Publication number
- CN106122568B CN106122568B CN201610756829.3A CN201610756829A CN106122568B CN 106122568 B CN106122568 B CN 106122568B CN 201610756829 A CN201610756829 A CN 201610756829A CN 106122568 B CN106122568 B CN 106122568B
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- China
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- valve
- solenoid valve
- spool
- airflow pipeline
- solenoid
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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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
-
- 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
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
- F16K5/0647—Spindles or actuating means
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Magnetically Actuated Valves (AREA)
- Multiple-Way Valves (AREA)
Abstract
The present invention relates to valve field more particularly to a kind of pneumatic control valves.A kind of pneumatic control valve, the atmospheric control including combination valve and the control combination valve；The combination valve includes valve body and the first spool being arranged in valve body and the second spool and the first valve rod being connected with first spool and the second valve rod being connected with second spool；The atmospheric control includes the airflow pipeline being connected in high-pressure air source, and the second pneumatic actuator of the air filtration pressure reducing valve, total way solenoid valve, the first solenoid valve, second solenoid valve, third solenoid valve, the 4th solenoid valve, the first mechanical valve and the second mechanical valve that are arranged on airflow pipeline and the first pneumatic actuator and driving second valve rod that drive first valve rod.The control valve is suitable for Chemical Industry, has that high degree of automation, wearability are good, and leakproofness is by force and the advantage grown of service life.
Description
Technical field
The present invention relates to valve field more particularly to a kind of pneumatic control valves.
Background technology
China is greatly developing Chemical Industry, and the deslagging in gasification furnace, dust removing system operating mode are non-in the industry
Often severe, not only temperature high (in short-term up to 1000 DEG C), pressure difference are high, and medium is solid particle or powder state shape for the system, to valve
The performance requirement of door is very high, it is desirable that valve has the characteristics that wear-resisting, corrosion-resistant, high temperature high voltage resistant, service life are long.Exist at present
The hard sealing O type ball valves of generally use two are installed together under this operating mode, are divided into two valve of import and export side, to ensure that deslagging is arranged
Ash system overall operation.But the execution step of this kind of combination valve is very strict, following to close during valve, needs first to close the
One O type ball valves, shut off to fluid, and the 2nd O type ball valves are closed after inside cavity outflow；If now close the 2nd O types
Ball valve, then head bay wall body internal flow, which is cut, accumulates, and the first O types ball valve can not be closed and easily be damaged at this time；It is however, existing
Combination valve also needs to artificial step-by-step operation, and easily error causes heavy economic losses.
Invention content
To solve the above-mentioned problems, the purpose of the present invention is to provide a kind of pneumatic control valve, which is suitable for coal
Chemical industry, has that high degree of automation, wearability are good, and leakproofness is by force and the advantage grown of service life.
In order to realize above-mentioned purpose, present invention employs following technical solutions：
A kind of pneumatic control valve, the atmospheric control including combination valve and the control combination valve；The combination valve
Including valve body and the first spool being arranged in valve body and the second spool and be connected with first spool first
Valve rod and the second valve rod being connected with second spool；It is characterized in that：The atmospheric control includes being connected to
Airflow pipeline in high-pressure air source and air filtration pressure reducing valve, total way solenoid valve, the first electromagnetism being arranged on airflow pipeline
Valve, second solenoid valve, third solenoid valve, the 4th solenoid valve, the first mechanical valve and the second mechanical valve and driving first valve
First pneumatic actuator of bar and the second pneumatic actuator for driving second valve rod；The air filtration pressure reducing valve is set
It puts on the input terminal of airflow pipeline, the first solenoid valve, second solenoid valve, third solenoid valve and the 4th solenoid valve are arranged in parallel
On the airflow pipeline in air filtration pressure reducing valve downstream, the first solenoid valve and second solenoid valve are connected to the first gas by airflow pipeline
In dynamic executing agency, third solenoid valve and the 4th solenoid valve are connected to by airflow pipeline on the second pneumatic actuator；It is described
Total way solenoid valve is additionally provided on the airflow pipeline in air filtration pressure reducing valve downstream, the first mechanical valve and the second mechanical valve are arranged in parallel
On the airflow pipeline in total way solenoid valve downstream, the triggering end of the first mechanical valve is coaxially disposed with first valve rod, the first machine
Tool valve connects third solenoid valve and the 4th solenoid valve by airflow pipeline；The triggering end of second mechanical valve and second valve
Bar is coaxially disposed, and the second mechanical valve connects the first solenoid valve and second solenoid valve by airflow pipeline.
The present invention is provided with the first spool and the second spool using above-mentioned technical proposal, the valve inner of the control valve, and
It is controlled by atmospheric control, the first pneumatic actuator and the second pneumatic actuator are by solenoid valve in atmospheric control
Its air pressure inside is controlled, the first pneumatic actuator drives the first valve rod, and the first valve rod is connected with the first mechanical valve, the first machinery
The second pneumatic actuator of valve feedback link；Second pneumatic actuator drives the second valve rod, the second valve rod and the second mechanical valve
It is connected, second the first pneumatic actuator of mechanical valve feedback link.It, can be by the first pneumatic execution when the atmospheric control performs
Mechanism and the linkage of the second pneumatic actuator, i.e., the first pneumatic actuator and the second pneumatic actuator are completed in operation successively
Corresponding operating, operation not only facilitate, and more avoid equipment damage caused by operation order is got wrong.Coordinate said combination valve body machine
Structure, what which performed is that the first spool is first closed, and is closed after the second spool；Second spool is first opened, the first valve
Core is post-opening to perform order.
Description of the drawings
Fig. 1 is the structure diagram of combination valve.
Fig. 2 is the structure diagram of atmospheric control.
Specific embodiment
Below in conjunction with the accompanying drawings, the preferred embodiments of the invention are described in further detail.
A kind of pneumatic control combinaing valve body mechanism as shown in Figure 1 and 2 including combination valve and controls the combination valve
Atmospheric control.
Combination valve
The combination valve include valve body and the first spool 12 being arranged in valve body and the second spool 22 and with institute
State the first valve rod 13 that the first spool 12 is connected and the second valve rod 23 being connected with second spool 22；The valve
Internal portion is axially penetrated through equipped with medium runner a, and valve body is interconnected to constitute by the first valve body 11 and the second valve body 21, the first valve body
The first valve chamber 14 is equipped in 11, the second valve chamber 24 is equipped in the second valve body 21.
First spool mounting structure is as follows：
The first locating shaft 15 is located in 14 bottom of the first valve chamber of first valve body 11, and 14 top of the first valve chamber is located
First valve rod 13.The first radiator 16 is fixedly connected on first valve body 11, the lateral wall of the first radiator 16 is equipped with
Several radiating fin walls, the first valve rod 13, which is worn, to be located in the first radiator 16；Between first valve rod 13 and the first radiator 16
Equipped with the first body of rod seal assembly, the first body of rod seal assembly includes being arranged between the first valve rod 13 and the first radiator 16
First filler 171 and for positioning the first filler of first filler 171 set 172 and filling out for positioning described first
First hold-down grid 173 of material set 172；The first filler set 172 and the first hold-down grid 173 are set in the first valve rod 13
On, the first hold-down grid 173 passes through connecting component（Such as bolt）It connects on first radiator 16.
First spool 12 is arranged in the first valve chamber 14, and the section of the first spool 12 is V-shaped, the V of the first spool 12
Shape open at one end is fastened on the first locating shaft 15, and the v-shaped opening other end of the first spool 12 is fastened on the first valve
On bar 13.First flow seal assembly is equipped in the upstream accent of first valve chamber 14, first flow seal assembly includes setting
Put the first pedestal 181 on the first valve body 11 and the first valve seat 182 being arranged on the first pedestal 181；First pedestal
181 ring-shaped section and ring-shaped circumferentially offers several notches on the ring body lateral surface of the first pedestal 181, first is provided in notch
Spring 183, the outer end of the first spring 183 are resisted against on the first valve body 11；The lateral surface of first valve seat 182 is resisted against
On one pedestal 181, the first sealing ring 184, the inner end of the first valve seat 182 are additionally provided between the first valve seat 182 and the first pedestal 181
The V-Bottom portion lateral surface of mouth and first spool 12 fits closely.
Second spool mounting structure is as follows：
The second locating shaft 25 is located in 24 bottom of the second valve chamber of second valve body 21, and 24 top of the second valve chamber is located
Second valve rod 23.The second radiator 26 is fixedly connected on second valve body 21, the lateral wall of the second radiator 26 is equipped with
Several radiating fin walls, the second valve rod 23, which is worn, to be located in the second radiator 26；Between second valve rod 23 and the second radiator 26
Equipped with the second body of rod seal assembly, the second body of rod seal assembly includes being arranged between the second valve rod 23 and the second radiator 26
Second filler 271 and for positioning the second filler of second filler 271 set 272 and filling out for positioning described second
Second hold-down grid 273 of material set 272；The second filler set 272 and the second hold-down grid 273 are set in the second valve rod 23
On, the second hold-down grid 273 is connected by connecting component on second radiator 26.
Second spool 22 is arranged in the second valve chamber 24, and the lower end of the second spool 22 is fixed on the second locating shaft 25
On, the upper end of the second spool 22 is fixed on the second valve rod 23；The section of second spool 22 is in O shapes, the second spool 22
Spool runner 20 is internally provided with, spool runner is coaxially disposed with the medium runner a；On the both sides accent of second valve chamber 24
Second flow channel seal assembly is both provided with, second flow channel seal assembly includes the second pedestal 281 being arranged on the second valve body 21,
And it is arranged on the second valve seat 282 on the second pedestal 281；The ring-shaped section and ring-shaped of second pedestal 281, the ring of the second pedestal 281
Several notches are circumferentially offered on outside, are provided with second spring 283 in notch, the outer end of second spring 283 against
On the second valve body 21；The lateral surface of second valve seat 282 is resisted against on the second pedestal 281, the second valve seat 282 and the second base
The second sealing ring 284, the inner port of the second valve seat 282 and the sphere lateral surface of second spool 22 are additionally provided between seat 281
It fits closely.
In above structure, it is equipped with first flow seal assembly in the upstream accent of the first valve chamber 14, the two of the second valve chamber 24
Second flow channel seal assembly is both provided on side chamber mouth, so as to ensure the leakproofness under valve body closed state；Specifically, runner is close
In sealing assembly（Including first flow seal assembly and second flow channel seal assembly）, valve seat is arranged on pedestal, valve seat and spool
Sphere lateral surface contact sealing, and between the pedestal and valve body be equipped with spring adjust, using this of spring fitted seal
Compensation sealing means；In sealing, the elastic force of spring acts on pedestal, valve seat successively, coordinate valve seat and spool tensioner so as to
Lift-off seal effect；During valve core rotation, the further compressed spring of valve seat makes valve core rotation more convenient；Compared to hardness
Rotation process in sealing structure, which generates frictional force and greatly reduces in the process, so as to alleviate the mill of spool face
Damage situation extends ball valve service life.In addition, valve body is equipped with the first radiator 16 and the second radiator 26, the first radiator
16 and second radiator 26 be used to radiate to valve body, avoid in valve rod sealing since high temperature damages, lifting means safety.First
The first body of rod seal assembly is equipped between 13 and first radiator 16 of valve rod, is equipped between the second valve rod 23 and the second radiator 26
Second body of rod seal assembly；In body of rod seal assembly（Including the first body of rod seal assembly and the second body of rod seal assembly）, filler
For ensureing the leakproofness between the body of rod and radiator, filler set and hold-down grid make filler pressure for being positioned to filler
It fastens, prevents filler from generating loosening in the friction process long-term with the valve rod；So as to promote its sealing effect, make valve body
It is not easy to produce medium leakage and infiltration, ensures valve body, extend the service life of valve body.
Atmospheric control
The atmospheric control includes the airflow pipeline being connected in high-pressure air source and is arranged on airflow pipeline
Air filtration pressure reducing valve V7, total way solenoid valve V8, the first solenoid valve V1, second solenoid valve V2, third solenoid valve V3, the 4th electromagnetism
First pneumatic actuator T1 of valve V4, the first mechanical valve V5 and the second mechanical valve V6 and driving first valve rod 13 and
Drive the second pneumatic actuator T2 of second valve rod 23.The air filtration pressure reducing valve V7 is arranged on the defeated of airflow pipeline
Enter on end, the first solenoid valve V1, second solenoid valve V2, third solenoid valve V3 and the 4th solenoid valve V4 are arranged in parallel in air filtration
On the airflow pipeline in pressure reducing valve V7 downstreams, the first solenoid valve V1 and second solenoid valve V2 are connected to first pneumatically by airflow pipeline
On executing agency T1, third solenoid valve V3 and the 4th solenoid valve V4 are connected to the second pneumatic actuator T2 by airflow pipeline
On.Total way solenoid valve V8, the first mechanical valve V5 and second are additionally provided on the airflow pipeline in the air filtration pressure reducing valve V7 downstreams
Mechanical valve V6 is arranged in parallel on the airflow pipeline in total way solenoid valve V8 downstreams, the triggering end of the first mechanical valve V5 and described first
Valve rod 13 is coaxially disposed, and the first mechanical valve V5 connects third solenoid valve V3 and the 4th solenoid valve V4 by airflow pipeline.Described
The triggering end of two mechanical valve V6 is coaxially disposed with second valve rod 23, and the second mechanical valve V6 passes through the first electricity of airflow pipeline connection
Magnet valve V1 and second solenoid valve V2.Said combination valve body mechanism is controlled by atmospheric control, first in atmospheric control
Pneumatic actuator T1 and the second pneumatic actuator T2 is driven by its air pressure inside of solenoid valve control, the first pneumatic actuator T1
Dynamic first valve rod 13, the first valve rod 13 are connected with the first mechanical valve V5, and the first mechanical valve V5 feedback links second pneumatically perform machine
Structure T2；Second pneumatic actuator T2 drives the second valve rod 23, and the second valve rod 23 is connected with the second mechanical valve V6, the second mechanical valve
The first pneumatic actuator of V6 feedback links T1.It, can be by the first pneumatic actuator T1 and the when the atmospheric control performs
Two pneumatic actuator T2 link, i.e., operate the phase for completing the first pneumatic actuator T1 and the second pneumatic actuator T2 successively
It should operate, operation not only facilitates, and more avoids equipment damage caused by operation order is got wrong.Coordinate said combination valve body machine
Structure, what which performed is that the first spool 12 is first closed, and is closed after the second spool 22；Second spool 22 is first opened,
First spool 12 is post-opening to perform order.
It is comprehensive
Summary combinaing valve body and atmospheric control, valve inner are provided with the first spool 12 and the second spool 22,
First spool 12 is V-arrangement valve, and first spool 12 of " V " type notch has automatic cutting function, can be effectively isolated ground-slag state Jie
Matter；Second spool 22 is O shape valves, and O shapes valve can ensure the leakproofness of valve body, and specific implementation procedure is as follows.
In closing process：First solenoid valve V1 air inlets, the pneumatic actuator T1 of second solenoid valve V2 outlets → first drivings
First valve rod 13 drives the first spool 12 to perform the valve rod 13 of closing → first and rotates and trigger the first mechanical valve V5 → third electromagnetism
Valve V3 air inlets, the pneumatic actuator T2 of the 4th solenoid valve V4 outlets → second drive the second valve rod 23 that the second spool 22 is driven to perform
It closes.Closing process terminates, and execution is that the first spool 12 is first closed, the instruction closed after the second spool 22.
In opening process：Third solenoid valve V3 outlets, the pneumatic actuator T2 of the 4th solenoid valve V4 air inlets → second drivings
Second valve rod 23 drives the second spool 22 to perform the valve rod 23 of unlatching → second and rotates and trigger the electromagnetism of the second mechanical valve V6 → first
Valve V1 outlets, the pneumatic actuator T1 of second solenoid valve V2 air inlets → first drive the first valve rod 13 that the first spool 12 is driven to perform
It opens.Opening process terminates, and execution is that the second spool 22 is first opened, the 12 post-opening instruction of the first spool.
Claims (1)
1. a kind of pneumatic control valve, the atmospheric control including combination valve and the control combination valve；The combination valve packet
Include valve body and the first spool being arranged in valve body and the second spool and the first valve for being connected with first spool
Bar and the second valve rod being connected with second spool；It is characterized in that：The atmospheric control includes being connected to height
Airflow pipeline on pressurized air source and air filtration pressure reducing valve, total way solenoid valve, the first electromagnetism being arranged on airflow pipeline
Valve, second solenoid valve, third solenoid valve, the 4th solenoid valve, the first mechanical valve and the second mechanical valve and driving first valve
First pneumatic actuator of bar and the second pneumatic actuator for driving second valve rod；The air filtration pressure reducing valve is set
It puts on the input terminal of airflow pipeline, the first solenoid valve, second solenoid valve, third solenoid valve and the 4th solenoid valve are arranged in parallel
On the airflow pipeline in air filtration pressure reducing valve downstream, the first solenoid valve and second solenoid valve are connected to the first gas by airflow pipeline
In dynamic executing agency, third solenoid valve and the 4th solenoid valve are connected to by airflow pipeline on the second pneumatic actuator；It is described
Total way solenoid valve is additionally provided on the airflow pipeline in air filtration pressure reducing valve downstream, the first mechanical valve and the second mechanical valve are arranged in parallel
On the airflow pipeline in total way solenoid valve downstream, the triggering end of the first mechanical valve is coaxially disposed with first valve rod, the first machine
Tool valve connects third solenoid valve and the 4th solenoid valve by airflow pipeline；The triggering end of second mechanical valve and second valve
Bar is coaxially disposed, and the second mechanical valve connects the first solenoid valve and second solenoid valve by airflow pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610756829.3A CN106122568B (en) | 2016-08-29 | 2016-08-29 | A kind of pneumatic control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610756829.3A CN106122568B (en) | 2016-08-29 | 2016-08-29 | A kind of pneumatic control valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106122568A CN106122568A (en) | 2016-11-16 |
| CN106122568B true CN106122568B (en) | 2018-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610756829.3A Active CN106122568B (en) | 2016-08-29 | 2016-08-29 | A kind of pneumatic control valve |
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| CN (1) | CN106122568B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107143665A (en) * | 2017-05-31 | 2017-09-08 | 九江中船消防设备有限公司 | A kind of integrated fast valve of single valve seat collection core structure in pairs |
| CN108019538B (en) * | 2018-01-05 | 2024-04-02 | 浙江中德自控科技股份有限公司 | Pneumatic control system of tank pump isolation emergency cut-off valve |
| CN112963576A (en) * | 2021-03-16 | 2021-06-15 | 鞍山阿尔肯科技发展有限公司 | Special tank encryption valve for liquefied gas station |
| CN113775786A (en) * | 2021-09-08 | 2021-12-10 | 哈电集团哈尔滨电站阀门有限公司 | Pneumatic discharge device and working method thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0309660D0 (en) * | 2003-04-29 | 2003-06-04 | Alco Hi Tek Ltd | Valve assembly |
| CN202302067U (en) * | 2011-11-07 | 2012-07-04 | 湖北高中压阀门有限责任公司 | Pneumatic wear-resistant ash-discharging ball valve with ash-scraping function |
| CN103711931B (en) * | 2014-01-03 | 2016-01-13 | 浙江中德自控科技股份有限公司 | Combination material High Temperature High Pressure deslagging ball valve |
| CN203868422U (en) * | 2014-06-04 | 2014-10-08 | 温州忠义集团有限公司 | Integrated duplex ball valve |
| CN204961921U (en) * | 2015-09-16 | 2016-01-13 | 浙江美沃阀门有限公司 | Dual ball valve |
| CN205918978U (en) * | 2016-08-29 | 2017-02-01 | 浙江中德自控科技股份有限公司 | Pneumatic control valve |
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2016
- 2016-08-29 CN CN201610756829.3A patent/CN106122568B/en active Active
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