CN205918978U - Pneumatic control valve - Google Patents
Pneumatic control valve Download PDFInfo
- Publication number
- CN205918978U CN205918978U CN201620979124.3U CN201620979124U CN205918978U CN 205918978 U CN205918978 U CN 205918978U CN 201620979124 U CN201620979124 U CN 201620979124U CN 205918978 U CN205918978 U CN 205918978U
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- valve
- airflow pipeline
- electromagnetic
- rod
- electromagnetic valve
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Abstract
The utility model relates to the field of valves, especially, relate to a pneumatic control valve. A pneumatic control valve, includes combination valve and control the pneumatic control system of combination valve, the combination valve includes the valve body to and first case and the second case of setting in the valve body, and with the first valve rod that first case is connected, and with the second valve rod that the second case is connected, pneumatic control system is including connecting the airflow pipeline on high pressurized air source to and set up the air pressure regulator -filter on airflow pipeline, total way solenoid valve, first solenoid valve, second solenoid valve, third solenoid valve, fourth solenoid valve, first mechanical valve and second machinery valve, and drive a pneumatic actuator and the drive of first valve rod the 2nd pneumatic actuator of second valve rod. This control valve is applicable to coal chemical industry, has the degree of automation height, the wearability is good, the strong and long service life's of leakproofness advantage.
Description
Technical field
This utility model is related to valve field, more particularly, 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
Often severe, not only temperature height (reaching 1000 DEG C in short-term), pressure reduction are high for this system, and medium is solid particle or powder state shape, to valve
The performance requirement of door is very high it is desirable to valve has the features such as wear-resisting, corrosion-resistant, high temperature high voltage resistant, long service life.Exist at present
Generally it is installed together using two hard sealing o type ball valves under this operating mode, be divided into import and export side two valve, to ensure deslagging row
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 is dammed, 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 by a section accumulation, now cannot close and easily damage by an o type ball valve；However, it is existing
Combination valve also needs to artificial step-by-step operation, and easily error causes heavy economic lossess.
Content of the invention
In order to solve the above problems, the purpose of this utility model is to provide a kind of pneumatic control valve, and this control valve is suitable for
In Chemical Industry, have that high degree of automation, wearability are good, sealing is strong and the advantage of long service life.
In order to realize above-mentioned purpose, this utility model employs following technical scheme:
A kind of pneumatic control valve, including combination valve, and the atmospheric control controlling described combination valve；Described combination valve
Including valve body, and it is arranged on the first valve element in valve body and the second valve element, and first being connected with described first valve element
Valve rod, and the second valve rod being connected with described second valve element；It is characterized in that: described atmospheric control includes being connected to
Airflow pipeline in high-pressure air source, and it is arranged on air filtration air relief valve on airflow pipeline, 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 driving described second valve rod；Described air filtration air relief valve sets
Put 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
Total way solenoid valve is additionally provided with the airflow pipeline in air filtration air relief 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 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.
This utility model adopts technique scheme, and the valve inner of this control valve is provided with the first valve element and the second valve
Core, and being controlled by atmospheric control, in atmospheric control the first pneumatic actuator and the second pneumatic actuator by
Its air pressure inside of solenoid valve control, the first pneumatic actuator drives the first valve rod, and the first valve rod is connected with the first mechanical valve, the
One mechanical valve feedback link the second pneumatic actuator；Second pneumatic actuator drives the second valve rod, the second valve rod and second
Mechanical valve is connected, second mechanical valve feedback link the first pneumatic actuator.During the execution of this atmospheric control, can be by the first gas
Dynamic actuator and the linkage of the second pneumatic actuator, that is, operation completes the first pneumatic actuator and the second pneumatic execution successively
The corresponding operating of mechanism, operation not only facilitates, and more avoids the device damage that operation order is got wrong and led to.Cooperation combinations thereof
Valve body mechanism, the execution of this atmospheric control is that the first valve element is first closed, and closes after the second valve element；Second valve element is first opened,
The execution order opened after first valve element.
Brief description
Fig. 1 is the structural representation of combination valve.
Fig. 2 is the structural representation of atmospheric control.
Specific embodiment
Below in conjunction with the accompanying drawings, preferred embodiment of the present utility model is 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 is arranged on the first valve element 12 in valve body and the second valve element 22, and with institute
State the first valve rod 13 that the first valve element 12 is connected, and the second valve rod 23 being connected with described second valve element 22；Described valve
Internal portion axially penetrates through and is provided 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
It is provided with the first valve pocket 14 in 11, in the second valve body 21, be provided with the second valve pocket 24.
First valve element mounting structure is as follows:
First valve pocket 14 bottom of described first valve body 11 is positioned with the first locating shaft 15, and the first valve pocket 14 top is positioned with
First valve rod 13.First radiator 16 is fixedly connected with described first valve body 11, the lateral wall of the first radiator 16 is provided with
Some radiating fin walls, the first valve rod 13 wears and is positioned in the first radiator 16；Between first valve rod 13 and the first radiator 16
It is provided with the first body of rod black box, the first body of rod black box includes being 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 and fill out
First hold-down grid 173 of material set 172；Described first filler set 172 and the first hold-down grid 173 are all set in the first valve rod 13
On, the first hold-down grid 173 is connected on described first radiator 16 by connection member (as bolt).
Described first valve element 12 is arranged in the first valve pocket 14, and the section of the first valve element 12 is in v shape, the v of the first valve element 12
Shape open at one end is fastened on the first locating shaft 15, and the v shape opening other end of the first valve element 12 is fastened on the first valve
On bar 13.It is provided with first flow black box, first flow black box includes setting in the upstream accent of described first valve pocket 14
Put the first pedestal 181 on the first valve body 11, and be arranged on the first valve seat 182 on the first pedestal 181；First pedestal
181 ring-shaped section and ring-shaped, 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 is fitted tightly with the v shape bottom outside face of described first valve element 12.
Second valve element mounting structure is as follows:
Second valve pocket 24 bottom of described second valve body 21 is positioned with the second locating shaft 25, and the second valve pocket 24 top is positioned with
Second valve rod 23.Second radiator 26 is fixedly connected with described second valve body 21, the lateral wall of the second radiator 26 is provided with
Some radiating fin walls, the second valve rod 23 wears and is positioned in the second radiator 26；Between second valve rod 23 and the second radiator 26
It is provided with the second body of rod black box, the second body of rod black box includes being 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 and fill out
Second hold-down grid 273 of material set 272；Described second filler set 272 and the second hold-down grid 273 are all set in the second valve rod 23
On, the second hold-down grid 273 is connected on described second radiator 26 by connection member.
Described second valve element 22 is arranged in the second valve pocket 24, and the bottom of the second valve element 22 is fixed on the second locating shaft 25
On, the upper end of the second valve element 22 is fixed on the second valve rod 23；The section of described second valve element 22 is in o shape, the second valve element 22
Inside is provided with valve element runner 20, and valve element runner is coaxially disposed with described medium runner a；On the both sides accent of described second valve pocket 24
It is provided with second flow channel black box, second flow channel black box 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 the second pedestal 281, the ring of the second pedestal 281
On outside, circumference offers some notches, is 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 described second valve seat 282 is resisted against on the second pedestal 281, the second valve seat 282 and the second base
It is additionally provided with the second sealing ring 284, the spheroid lateral surface of the inner port of the second valve seat 282 and described second valve element 22 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
Second flow channel black box is provided with side chamber mouth, thus ensureing the sealing under valve body closed mode；Specifically, runner is close
In sealing assembly (include first flow black box and second flow channel black box), valve seat is arranged on pedestal, valve seat and valve element
Spheroid lateral surface contact sealing, and be provided between described pedestal and valve body spring adjust, this using spring fitted seal
Compensation sealing means；In sealing, the elastic force of spring acts on pedestal, valve seat successively, make the cooperation of valve seat and valve element 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
Rotation process in sealing structure, produces frictional force and greatly reduces, thus alleviating the mill of spool face during this valve core rotation
Damage situation, extends ball valve service life.In addition, valve body is provided with the first radiator 16 and the second radiator 26, the first radiator
16 and second radiator 26 be used for valve body is radiated, 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, be provided between the second valve rod 23 and the second radiator 26
Second body of rod black box；(the first body of rod black box and the second body of rod black box is included), filler in body of rod black box
For ensureing the sealing between the body of rod and radiator, filler set and hold-down grid are used for filler is positioned, and make filler pressure
Fasten, prevent filler from producing in the friction process long-term with described valve rod and loosen；Thus lifting its sealing effectiveness, make valve body
It is difficult to produce medium leakage and permeates, ensure 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 is arranged on airflow pipeline
Air filtration air relief valve v7, total way solenoid valve v8, the first electromagnetic valve v1, the second electromagnetic valve v2, the 3rd electromagnetic valve v3, the 4th electromagnetism
Valve v4, the first mechanical valve v5 and the second mechanical valve v6, and drive described first valve rod 13 the first pneumatic actuator t1 and
Drive the second pneumatic actuator t2 of described second valve rod 23.Described air filtration air relief valve v7 is arranged on the defeated of airflow pipeline
Enter 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 in air filtration
On the airflow pipeline in air relief valve v7 downstream, it is pneumatic that the first electromagnetic valve v1 and the second electromagnetic valve v2 is connected to first by airflow pipeline
On actuator t1, the 3rd electromagnetic valve v3 and the 4th electromagnetic valve v4 are connected to the second pneumatic actuator t2 by airflow pipeline
On.It is additionally provided with total way solenoid valve v8, the first mechanical valve v5 and second on the airflow pipeline in described air filtration air relief valve v7 downstream
Mechanical 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 is coaxially disposed, and the first mechanical valve v5 connects the 3rd electromagnetic valve v3 and the 4th electromagnetic valve v4 by airflow pipeline.Described
The triggering end of two mechanical valve v6 is coaxially disposed with described second valve rod 23, and the second mechanical valve v6 connects the first electricity by airflow pipeline
Magnet valve v1 and the second electromagnetic valve v2.Combinations thereof 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 is connected with the first mechanical valve v5, first mechanical valve v5 feedback link the second pneumatic execution 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
V6 feedback link the first pneumatic actuator t1.During the execution of this atmospheric control, can be by the first pneumatic actuator t1 and the
Two pneumatic actuator t2 linkages, that is, operation completes the first pneumatic actuator t1 and the phase of the second pneumatic actuator t2 successively
Should operate, operation not only facilitates, and more avoids the device damage that operation order is got wrong and led to.Cooperation combinations thereof valve body machine
Structure, the execution of this atmospheric control is that the first valve element 12 is first closed, and closes after the second valve element 22；Second valve element 22 is first opened,
The execution order opened after first valve element 12.
Comprehensive
Summary combinaing valve body and atmospheric control, valve inner is provided with the first valve element 12 and the second valve element 22,
First valve element 12 is v shape valve, and first valve element 12 of " v " type otch has automatic cutting function, can be effectively isolated ground-slag state and be situated between
Matter；Second valve element 22 is o shape valve, and o shape valve ensure that the sealing of valve body, and its specific implementation procedure 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 valve element 12 to execute closing → 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 valve element 22 to execute
Close.Closing process terminates, and execution is that the first valve element 12 is first closed, the instruction closed after the second valve element 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 valve element 22 to execute 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 valve element 12 to execute
Open.Opening process terminates, and execution is that the second valve element 22 is first opened, the instruction opened after the first valve element 12.
Claims (1)
1. a kind of pneumatic control valve, including combination valve, and the atmospheric control controlling described combination valve；Described combination valve bag
Include valve body, and be arranged on the first valve element in valve body and the second valve element, and the first valve being connected with described first valve element
Bar, and the second valve rod being connected with described second valve element；It is characterized in that: described atmospheric control includes being connected to height
Airflow pipeline on pressurized air source, and it is arranged on air filtration air relief valve on airflow pipeline, 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 driving described second valve rod；Described air filtration air relief valve sets
Put 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
Total way solenoid valve is additionally provided with the airflow pipeline in air filtration air relief 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 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 |
|---|---|---|---|
| CN201620979124.3U CN205918978U (en) | 2016-08-29 | 2016-08-29 | Pneumatic control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620979124.3U CN205918978U (en) | 2016-08-29 | 2016-08-29 | Pneumatic control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205918978U true CN205918978U (en) | 2017-02-01 |
Family
ID=57868897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620979124.3U Withdrawn - After Issue CN205918978U (en) | 2016-08-29 | 2016-08-29 | Pneumatic control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205918978U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106122568A (en) * | 2016-08-29 | 2016-11-16 | 浙江中德自控科技股份有限公司 | A kind of pneumatic control valve |
-
2016
- 2016-08-29 CN CN201620979124.3U patent/CN205918978U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106122568A (en) * | 2016-08-29 | 2016-11-16 | 浙江中德自控科技股份有限公司 | A kind of pneumatic control valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170201 Effective date of abandoning: 20180629 |
|
| AV01 | Patent right actively abandoned |