CN106122568A - A kind of pneumatic control valve - Google Patents
A kind of pneumatic control valve Download PDFInfo
- Publication number
- CN106122568A CN106122568A CN201610756829.3A CN201610756829A CN106122568A CN 106122568 A CN106122568 A CN 106122568A CN 201610756829 A CN201610756829 A CN 201610756829A CN 106122568 A CN106122568 A CN 106122568A
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- China
- Prior art keywords
- valve
- spool
- electromagnetic valve
- electromagnetic
- airflow pipeline
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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, particularly relate to a kind of pneumatic control valve.A kind of pneumatic control valve, including combination valve, and controls the atmospheric control of described combination valve；Described combination valve includes valve body, and the first spool of being arranged in valve body and the second spool, and the first valve rod being connected with described first spool, and the second valve rod being connected with described second spool；Described atmospheric control includes the airflow pipeline being connected in high-pressure air source, and air filtration air relief valve, total way solenoid valve, the first electromagnetic valve, the second electromagnetic valve, the 3rd electromagnetic valve, the 4th electromagnetic valve, the first mechanical valve and the second mechanical valve being arranged on airflow pipeline, and drive the first pneumatic actuator of described first valve rod and drive the second pneumatic actuator of described second valve rod.This control valve is applicable to Chemical Industry, has that automaticity is high, wearability is good, and sealing is strong and the advantage of length in service life.
Description
Technical field
The present invention relates to valve field, particularly relate to a kind of pneumatic control valve.
Background technology
China is greatly developing Chemical Industry, and the deslagging in gasification furnace, dust removing system operating mode are non-in the industry
The most severe, this system not only temperature high (reaching 1000 DEG C in short-term), pressure reduction are high, and medium is solid particle or powder state shape, to valve
The performance requirement of door is the highest, it is desirable to valve has the features such as wear-resisting, corrosion-resistant, high temperature high voltage resistant, length in service life.Exist at present
Generally use two hard sealing O type ball valves to be installed together under this operating mode, be divided into import and export side two valve, to ensure that deslagging is arranged
Ash system overall operation.But the execution step of this kind of combination valve is very strict, following close valve during, need first to close the
One O type ball valve, convection cell dams, and closes the 2nd O type ball valve after inside cavity flows out；If now closing the 2nd O type
Ball valve, then head bay wall body internal flow is cut and is piled up, and now an O type ball valve cannot close and easily damage；But, existing
Combination valve also needs to artificial step-by-step operation, easily makes mistakes and causes heavy economic losses.
Summary of the invention
In order to solve the problems referred to above, it is an object of the invention to provide a kind of pneumatic control valve, this control valve is applicable to coal
Chemical industry, has that automaticity is high, wearability is good, and sealing is strong and the advantage of length in service life.
In order to realize above-mentioned purpose, present invention employs following technical scheme:
A kind of pneumatic control valve, including combination valve, and controls the atmospheric control of described combination valve；Described combination valve includes
Valve body, and the first spool of being arranged in valve body and the second spool, and the first valve rod being connected with described first spool,
And the second valve rod being connected with described second spool；It is characterized in that: described atmospheric control includes being connected to high pressure
Airflow pipeline on source of the gas, and be arranged on airflow pipeline air filtration air relief valve, total way solenoid valve, the first electromagnetic valve,
Second electromagnetic valve, the 3rd electromagnetic valve, the 4th electromagnetic valve, the first mechanical valve and the second mechanical valve, and drive described first valve rod
The first pneumatic actuator and drive described second valve rod the second pneumatic actuator；Described air filtration air relief valve is arranged
On the input of airflow pipeline, the first electromagnetic valve, the second electromagnetic valve, the 3rd electromagnetic valve and the 4th electromagnetic valve are arranged in parallel at sky
On the airflow pipeline in gas filtering pressure reducing valve downstream, it is pneumatic that the first electromagnetic valve and the second electromagnetic valve are connected to first by airflow pipeline
In actuator, the 3rd electromagnetic valve and the 4th electromagnetic valve are connected on the second pneumatic actuator by airflow pipeline；Described sky
It is additionally provided with total way solenoid valve, the first mechanical valve and the second mechanical valve on the airflow pipeline in gas filtering pressure reducing valve downstream to be 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 described first valve rod, the first machinery
Valve connects the 3rd electromagnetic valve and the 4th electromagnetic valve by airflow pipeline；The triggering end of described second mechanical valve and described second valve rod
Being coaxially disposed, the second mechanical valve connects the first electromagnetic valve and the second electromagnetic valve by airflow pipeline.
The present invention uses technique scheme, and the valve inner of this control valve is provided with the first spool and the second spool, and
By atmospheric control control, in atmospheric control, the first pneumatic actuator and the second pneumatic actuator are by electromagnetic valve
Controlling its air pressure inside, the first pneumatic actuator drives the first valve rod, the first valve rod and the first mechanical valve to be connected, the first machinery
Valve feedback link the second pneumatic actuator；Second pneumatic actuator drives the second valve rod, the second valve rod and the second mechanical valve
It is connected, second mechanical valve feedback link the first pneumatic actuator.When this atmospheric control performs, can be by the first pneumatic execution
Mechanism and the linkage of the second pneumatic actuator, operated the first pneumatic actuator and the second pneumatic actuator the most successively
Corresponding operating, operation not only facilitates, and more avoids operation order and gets wrong and the device damage that causes.Coordinate combinations thereof valve body machine
Structure, what this atmospheric control performed is that the first spool is first closed, and closes after the second spool；Second spool is first opened, the first valve
The execution order opened after core.
Accompanying drawing explanation
Fig. 1 is the structural representation of combination valve.
Fig. 2 is the structural representation of atmospheric control.
Detailed description of the invention
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 described combination valve
Atmospheric control.
Combination valve
Described combination valve includes valve body, and the first spool 12 and the second spool 22 being arranged in valve body, and with described
The first valve rod 13 that one spool 12 is connected, and the second valve rod 23 being connected with described second spool 22；In described valve body
Portion axially penetrates through and is provided with medium runner a, and valve body is interconnected to constitute, in the first valve body 11 by the first valve body 11 and the second valve body 21
It is provided with the first valve pocket 14, in the second valve body 21, is provided with the second valve pocket 24.
First spool mounting structure is as follows:
Bottom first valve pocket 14 of described first valve body 11, location has the first locating shaft 15, the first location, valve pocket 14 top to have first
Valve rod 13.Being fixedly connected with the first radiator 16 on described first valve body 11, the lateral wall of the first radiator 16 is provided with some
Radiating fin wall, the first valve rod 13 wears and is positioned in the first radiator 16；It is provided with between first valve rod 13 and the first radiator 16
First body of rod black box, the first body of rod black box includes be arranged between the first valve rod 13 and the first radiator 16 first
Filler 171, and for positioning the first filler set 172 of described first filler 171, and be used for positioning described first filler set
First hold-down grid 173 of 172；Described first filler set 172 and the first hold-down grid 173 are all set on the first valve rod 13,
First hold-down grid 173 by connection member (such as bolt) connect as described on the first radiator 16.
Described first spool 12 is arranged in the first valve pocket 14, and the cross 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-arrangement opening other end of the first spool 12 is fastened on the first valve
On bar 13.Being provided with first flow black box in the upstream accent of described first valve pocket 14, first flow black box 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
The ring-shaped section and ring-shaped of 181, on the ring body lateral surface of the first pedestal 181, circumference offers some notches, is provided with first in notch
Spring 183, the outer end of the first spring 183 is resisted against on the first valve body 11；The lateral surface of described first valve seat 182 is resisted against
On one pedestal 181, between the first valve seat 182 and the first pedestal 181, it is additionally provided with the first sealing ring 184, the inner of the first valve seat 182
Mouth fits tightly with the V-Bottom portion lateral surface of described first spool 12.
Second spool mounting structure is as follows:
Bottom second valve pocket 24 of described second valve body 21, location has the second locating shaft 25, the second location, valve pocket 24 top to have second
Valve rod 23.Being fixedly connected with the second radiator 26 on described second valve body 21, the lateral wall of the second radiator 26 is provided with some
Radiating fin wall, the second valve rod 23 wears and is positioned in the second radiator 26；It is provided with between second valve rod 23 and the second radiator 26
Second body of rod black box, the second body of rod black box includes be arranged between the second valve rod 23 and the second radiator 26 second
Filler 271, and for positioning the second filler set 272 of described second filler 271, and be used for positioning described second filler set
Second hold-down grid 273 of 272；Described second filler set 272 and the second hold-down grid 273 are all set on the second valve rod 23,
Second hold-down grid 273 is connected on described second radiator 26 by connection member.
Described second spool 22 is arranged in the second valve pocket 24, and the bottom 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 cross section of described second spool 22 is O shape, the second spool 22
Inside is provided with spool runner 20, and spool runner is coaxially disposed with described medium runner a；On the both sides accent of described second valve pocket 24
Being provided with the second runner black box, the second runner black box includes the second pedestal 281 being arranged on the second valve body 21,
And the second valve seat 282 being arranged on the second pedestal 281；The ring-shaped section and ring-shaped of the second pedestal 281, the ring of the second pedestal 281
On outside, circumference offers some notches, is provided with the second spring 283 in notch, the outer end of the second spring 283 against
On the second valve body 21；The lateral surface of described second valve seat 282 is resisted against on the second pedestal 281, the second valve seat 282 and the second base
The spheroid lateral surface of the second sealing ring 284, the inner port of the second valve seat 282 and described second spool 22 it is additionally provided with between seat 281
Fit tightly.
In said structure, in the upstream accent of the first valve pocket 14, it is provided with first flow black box, the two of the second valve pocket 24
It is provided with the second runner black box on side chamber mouth, thus ensures the sealing under valve body closed mode；Specifically, runner is close
(including first flow black box and the second runner black box) in sealing assembly, valve seat is arranged on pedestal, valve seat and spool
Spheroid lateral surface contact seal, and be provided with between described pedestal and valve body spring regulation, use spring fitted seal this
Compensation sealing means；Seal time, the elastic force of spring acts on pedestal, valve seat successively, make valve seat coordinate with spool tensioner thus
Lift-off seal effect；During valve core rotation, the further compression spring of valve seat, make valve core rotation more convenient；Compared to rigid
Seal the rotation process in structure, produce frictional force during this valve core rotation and be greatly reduced, thus the mill of graduated release valve wicking surface
Damage situation, extends ball valve service life.It addition, valve body is provided with the first radiator 16 and the second radiator 26, the first radiator
16 and second radiator 26 for valve body is dispelled the heat, it is to avoid in valve rod, sealing is due to high temperature failure, lifting means safety.First
It is provided with the first body of rod black box between valve rod 13 and the first radiator 16, is provided with between the second valve rod 23 and the second radiator 26
Second body of rod black box；Body of rod black box (includes the first body of rod black box and the second body of rod black box), filler
For ensureing the sealing between the body of rod and radiator, filler set and hold-down grid, for positioning filler, make filler pressure
Fasten, prevent filler from producing in the friction process long-term with described valve rod and loosen；Thus promote its sealing effectiveness, make valve body
It is difficult to produce medium reveal and infiltration, ensures valve body, extend the service life of valve body.
Atmospheric control
Described atmospheric control includes the airflow pipeline being connected in high-pressure air source, and the air being arranged on airflow pipeline
Filtering pressure reducing valve V7, total way solenoid valve V8, the first electromagnetic valve V1, the second electromagnetic valve V2, the 3rd electromagnetic valve V3, the 4th electromagnetic valve
V4, the first mechanical valve V5 and the second mechanical valve V6, and drive the first pneumatic actuator T1 of described first valve rod 13 and drive
Second pneumatic actuator T2 of dynamic described second valve rod 23.Described air filtration air relief valve V7 is arranged on the input of airflow pipeline
On end, the first electromagnetic valve V1, the second electromagnetic valve V2, the 3rd electromagnetic valve V3 and the 4th electromagnetic valve V4 are arranged in parallel and subtract in air filtration
On the airflow pipeline in pressure valve V7 downstream, the first electromagnetic valve V1 and the second electromagnetic valve V2 is connected to first by airflow pipeline and pneumatic holds
On row mechanism T1, the 3rd electromagnetic valve V3 and the 4th electromagnetic valve V4 is connected on the second pneumatic actuator T2 by airflow pipeline.
Total way solenoid valve V8, the first mechanical valve V5 and the second machinery it is additionally provided with on the airflow pipeline in described air filtration air relief valve V7 downstream
Valve V6 is arranged in parallel on the airflow pipeline in total way solenoid valve V8 downstream, the triggering end of the first mechanical valve V5 and described first valve rod
13 are coaxially disposed, and the first mechanical valve V5 connects the 3rd electromagnetic valve V3 and the 4th electromagnetic valve V4 by airflow pipeline.Described second machine
The triggering end of tool valve V6 is coaxially disposed with described second valve rod 23, and the second mechanical valve V6 connects the first electromagnetic valve by airflow pipeline
V1 and the second electromagnetic valve V2.Combinations thereof valve body mechanism is controlled by atmospheric control, and in atmospheric control, first is pneumatic
Actuator T1 and the second pneumatic actuator T2 is controlled its air pressure inside by electromagnetic valve, and the first pneumatic actuator T1 drives the
One valve rod 13, the first valve rod 13 is connected with the first mechanical valve V5, first mechanical valve V5 feedback link the second pneumatic actuator T2；
Second pneumatic actuator T2 drives the second valve rod 23, the second valve rod 23 to be connected with the second mechanical valve V6, and the second mechanical valve V6 is anti-
Feedback connects the first pneumatic actuator T1.When this atmospheric control performs, can be by the first pneumatic actuator T1 and the second gas
Dynamic actuator T2 linkage, has operated the corresponding behaviour of the first pneumatic actuator T1 and the second pneumatic actuator T2 the most successively
Making, operation not only facilitates, and more avoids operation order and gets wrong and the device damage that causes.Coordinate combinations thereof valve body mechanism, should
What atmospheric control performed is that the first spool 12 is first closed, and closes after the second spool 22；Second spool 22 is first opened, the first valve
The execution order opened after core 12.
Comprehensively
Summary combinaing valve body and atmospheric control, valve inner is provided with the first spool 12 and the second spool 22, and first
Spool 12 is V-arrangement valve, and first spool 12 of " V " type otch has automatic cutting function, it is possible to be effectively isolated ground-slag state medium；The
Two spools 22 are O shape valves, and O shape valve ensure that the sealing of valve body, and its concrete execution process is as follows.
In closing process: the first electromagnetic valve V1 air inlet, the second electromagnetic valve V2 give vent to anger → and the first pneumatic actuator T1 drives
First valve rod 13 drives the first spool 12 to perform closedown → the first valve rod 13 and rotates and trigger the first mechanical valve V5 → the 3rd electromagnetism
Valve V3 air inlet, the 4th electromagnetic valve V4 give vent to anger → and the second pneumatic actuator T2 drives the second valve rod 23 to drive the second spool 22 to perform
Close.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: the 3rd electromagnetic valve V3 gives vent to anger, the 4th electromagnetic valve V4 air inlet → the second pneumatic actuator T2 drives
Second valve rod 23 drives the second spool 22 to perform unlatching → the second valve rod 23 and rotates and trigger the second mechanical valve V6 → the first electromagnetism
Valve V1 gives vent to anger, the second electromagnetic valve V2 air inlet → the first pneumatic actuator T1 drives the first valve rod 13 to drive the first spool 12 to perform
Open.Opening process terminates, and execution is that the second spool 22 is first opened, the instruction opened after the first spool 12.
Claims (1)
1. a pneumatic control valve, including combination valve, and controls the atmospheric control of described combination valve；Described combination valve bag
Include valve body, and the first spool of being arranged in valve body and the second spool, and the first valve being connected with described first spool
Bar, and the second valve rod being connected with described second spool；It is characterized in that: described atmospheric control includes being connected to height
Airflow pipeline on pressurized air source, and be arranged on airflow pipeline air filtration air relief valve, total way solenoid valve, the first electromagnetism
Valve, the second electromagnetic valve, the 3rd electromagnetic valve, the 4th electromagnetic valve, the first mechanical valve and the second mechanical valve, and drive described first valve
First pneumatic actuator of bar and the second pneumatic actuator of described second valve rod of driving；Described air filtration air relief valve sets
Putting on the input of airflow pipeline, the first electromagnetic valve, the second electromagnetic valve, the 3rd electromagnetic valve and the 4th electromagnetic valve are arranged in parallel
On the airflow pipeline in air filtration air relief valve downstream, the first electromagnetic valve and the second electromagnetic valve are connected to the first gas by airflow pipeline
In dynamic actuator, the 3rd electromagnetic valve and the 4th electromagnetic valve are connected on the second pneumatic actuator by airflow pipeline；Described
It is additionally provided with total way solenoid valve, the first mechanical valve and the second mechanical valve on the airflow pipeline in air filtration air relief valve downstream to be 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 described first valve rod, the first machine
Tool valve connects the 3rd electromagnetic valve and the 4th electromagnetic valve by airflow pipeline；The triggering end of described second mechanical valve and described second valve
Bar is coaxially disposed, and the second mechanical valve connects the first electromagnetic valve and the second electromagnetic 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 true CN106122568A (en) | 2016-11-16 |
| CN106122568B 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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| Country | Link |
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| CN (1) | CN106122568B (en) |
Cited By (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 |
| CN108019538A (en) * | 2018-01-05 | 2018-05-11 | 浙江中德自控科技股份有限公司 | A kind of atmospheric control of tank pump isolation quick action emergency 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 |
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| 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 |
| CN103711931A (en) * | 2014-01-03 | 2014-04-09 | 浙江中德自控科技股份有限公司 | High-temperature and high-pressure composite material slagging ball valve assembly |
| 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
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2004097275A1 (en) * | 2003-04-29 | 2004-11-11 | Xamol 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 |
| CN103711931A (en) * | 2014-01-03 | 2014-04-09 | 浙江中德自控科技股份有限公司 | High-temperature and high-pressure composite material slagging ball valve assembly |
| CN203868422U (en) * | 2014-06-04 | 2014-10-08 | 温州忠义集团有限公司 | Integrated duplex ball valve |
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Cited By (5)
| 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 |
| CN108019538A (en) * | 2018-01-05 | 2018-05-11 | 浙江中德自控科技股份有限公司 | A kind of atmospheric control of tank pump isolation quick action emergency valve |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106122568B (en) | 2018-06-29 |
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