CN103899788B - Pneumatic type automatic control tee valve door - Google Patents
Pneumatic type automatic control tee valve door Download PDFInfo
- Publication number
- CN103899788B CN103899788B CN201410085342.8A CN201410085342A CN103899788B CN 103899788 B CN103899788 B CN 103899788B CN 201410085342 A CN201410085342 A CN 201410085342A CN 103899788 B CN103899788 B CN 103899788B
- Authority
- CN
- China
- Prior art keywords
- actuator
- panel seat
- guide rod
- automatic control
- type automatic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/04—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only lift valves
- F16K11/052—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only lift valves with pivoted closure members, e.g. butterfly valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
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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
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
- F16K37/0083—For recording or indicating the functioning of a valve in combination with test equipment by measuring valve parameters
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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
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
- F16K37/0091—For recording or indicating the functioning of a valve in combination with test equipment by measuring fluid parameters
Abstract
It is an object of the invention to provide pneumatic type automatic control tee valve door, detachable apron block is bolted to above valve T-shaped frame and side, and double containment baffle plate is installed in upper guard-plate seat, and single sealing baffle is arranged in side board seat；The pressure measurement signal upper and lower by double containment baffle plate and position switch signal control pneumatic actuator, and during normal work, diesel exhaust is discharged by via valve side；Receiving and start or after fault-signal, side board closes, and upper guard-plate is opened, by exhaust gas bypass.The present invention is with pressure difference signal before and after the double containment baffle plate on valve top and the limit switch signal in actuator as foundation, actuator is driven by pneumatic actuator, realize top and the linkage of side sealing baffle, open and close is reliable, good airproof performance, simple in construction, compact, it is particularly suitable for the desulphurization denitration technical field application of marine exhaust post processing, it is possible to be applied to desulphurization denitration field, power station.
Description
Technical field
The present invention relates to a kind of diesel engine exhaust gas treatment device, specifically exhaust gas bypass device.
Background technology
In marine exhaust post-processing technology field, Ship Power Equipment SCR (SCR) denitration
System and waste gas washing desulphurization system are required on exhaust duct of diesel engine arrange bypass line.When after waste gas
When processing system breaks down or overhauls, it is possible to diesel exhaust is bypassed, stop without by diesel engine.
During conventional design, it is achieved bypass functionality needs to be respectively provided with a set of valve system on main line and bypass line,
It some power station desulphurization system is exactly this arrangement form used.But which also exists the biggest drawback: need
The signaling point that want two set valve systems, need to gather is many, not only result in control system and complicates, reduces and be
System operational reliability, adds investment and operation expense, and also add space when running system needs
Ask.
Summary of the invention
It is an object of the invention to provide realize in diesel exhaust gas pipeline the pneumatic type of the bypass function of waste gas from
Dynamic control three-way valve.
The object of the present invention is achieved like this:
Pneumatic type automatic control tee valve door of the present invention, is characterized in that: include valve T-shaped frame, the first baffle plate
Seat, second gear panel seat, single sealing baffle, double containment baffle plate, pneumatic actuator, the upper end of first gear panel seat
First group of flange is installed in face and lower surface, and the outer face of second gear panel seat and inner face install second group of flange,
The upper surface of valve T-shaped frame, lower surface, three, side end face end face install three-group method orchid, first gear panel seat
The flange of lower surface is connected with the flange of valve T-shaped frame upper surface, the flange of second gear panel seat inner face and valve
The flange of door T-shaped frame side end face is connected, and double containment baffle plate is arranged in first gear panel seat by the first guide rod,
Single sealing baffle is arranged in second gear panel seat by the second guide rod, and valve T-shaped frame arranges pneumatic actuator
Installing rack, pneumatic actuator is arranged on pneumatic actuator installing rack, and pneumatic actuator connects the first execution machine
Structure and the second actuator, the first actuator connects the first guide rod, and the second actuator connects the second guide rod,
Pneumatic actuator drive the first actuator or/and the second actuator from driving the first guide rod or/and second leads
Bar and then drive double containment baffle plate are or/and single sealing baffle rotates, and diesel exhaust is from valve T-shaped frame lower surface
Enter, discharge from first gear panel seat upper surface or second gear panel seat outer face.
The present invention can also include:
1, the first actuator includes head rod, the first revolving part, and the second actuator includes second even
Extension bar, the second revolving part, pneumatic actuator connects head rod, the second revolving part, and head rod is even
Connecing the first revolving part, the first revolving part connects the second guide rod and the second connecting rod respectively, and the second revolving part is respectively
Connect the second connecting rod and the first guide rod.
2, the centrage of the first actuator and the second actuator is in the same plane.
3, also including pressure measuring tube, pressure measuring tube includes the first pressure measuring tube, the second pressure measuring tube,
First pressure measuring tube is arranged on first gear panel seat, the first pressure measuring tube and sealing air interface centrage
Becoming 180 degree, the second pressure measuring tube is arranged on valve T-shaped frame, the second pressure measuring tube and sealing air
Interface centrage becomes 90 degree, and the first pressure measuring tube and the second pressure measuring tube are all connected with differential pressure transmitter.
4, sealing air interface is set on first gear panel seat, seals air interface and become with second gear panel seat axis
45 degree of angles.
5, the side of second gear panel seat arranges position switch, and position switch is parallel to the second guide rod.
Present invention have an advantage that with in pressure difference signal before and after the double containment baffle plate on valve top and actuator
Limit switch signal be foundation, drive actuator by pneumatic actuator, it is achieved top and side seal
Baffle plate links, and open and close is reliable, good airproof performance, simple in construction, compact, is particularly suitable for marine exhaust
The desulphurization denitration technical field application of post processing, it is possible to be applied to desulphurization denitration field, power station, it is possible to reduce system
System signals collecting is counted out, and makes system simplify and is easy to operation maintenance, reduces operator's workload, is realizing
Reduce investment and operation expense under bypass function premise, reduce the demand to installation space.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the protective cover of the present invention and checks viewing window position schematic diagram；
Fig. 3 is the control circuit schematic diagram of the present invention.
Detailed description of the invention
Illustrate below in conjunction with the accompanying drawings and the present invention be described in more detail:
In conjunction with Fig. 1～3, this pneumatic type automatic control tee valve door is by valve T-shaped frame 1, detachable apron block
2,3, single sealing baffle 12, double containment baffle plate 13, position switch 10, pneumatic actuator 6, pneumatic execution
Device installing rack 11, pressure measuring tube 7, Pressure gauge bracing frame 8, check form 15, actuator 4, close
Envelope air interface 9, valve protective cap 14 and control chamber 5 form.
Valve side exit and top exit centrage are 90 ° of angles.Detachable apron block 2,3 is with bolt even
Being connected on top and the side of valve T-shaped frame 1, double containment baffle plate 13 is installed in upper guard-plate seat 2, and leads
Bar is perpendicular to valve T-shaped frame 1 place plane, and single sealing baffle 12 is arranged in side board seat 3, and leads
Bar is perpendicular to valve T-shaped frame 1 place plane.Seal air interface 9 between apron block 2 adpting flange,
And be 45° angle with side exit.Pressure gauge bracing frame 8 is between apron block 2 adpting flange, and with close
Envelope air interface 9 centrage is 90 ° of angles.7 one connections being installed on upper guard-plate seat 2 of pressure measuring tube
Between flange, being 180 ° of angles with sealing air interface 9 centrage, another is installed on valve T-shaped frame 1
Below top flange at 40mm, it is 90 ° of angles with sealing air interface 9 centrage.
Pneumatic actuator 6 is arranged on pneumatic actuator installing rack 11 by bolt, and installation direction goes out with side
Mouth is parallel.Control chamber 5 is installed on below pneumatic actuator 6 by bolt, size be 300mm × 300mm ×
200mm.Check that form 15 is positioned at the lower section 45mm of valve T-shaped frame 1 top adpting flange, perforate size
For 160mm × 200mm.Whole pneumatic type three-way valve is furnished with bolted protective cover 14.
Detachable apron block 2,3 side has actuator 4 installing rack respectively, and actuator 4 includes in two
Between open two ends, hole have the revolving part of pin hole, two can be by the connecting rods of threaded adjusting length and two spiral shells
Tether the rolling bearing connect, be separately mounted on the guide rod of single sealing baffle 12 and double containment baffle plate 13, even
Latter two revolving part and two connecting rod centrages are connect in the same plane.Actuator 4 and installing rack
Being bolted, position switch 10 is positioned on detachable apron block 3 side actuator 4 installing rack, peace
Holding position is parallel to single sealing baffle 12 guide rod.
This pneumatic type automatic control tee valve door working method is: pressure measuring tube 7 is connected to differential pressure transmitter,
Differential pressure transmitter signal is read in control chamber 5 by signal picker.The actuator position that position switch 10 records
The incoming control chamber of signal, judges to be turned on and off state residing for valve.
If actuator position switch 10 signal display actuator 4 revolving part is parallel to come flow path direction, explanation
Gas medium is discharged from top exit, when actuator 4 revolving part is perpendicular to flow path direction, illustrates that gas is situated between
Matter is discharged from side exit.
When exhausted gas post-processing system normally works, three-way valve duty is: waste gas enters from bottom inlet,
Discharging from side exit, top double containment baffle plate 13 closes, and side list sealing baffle 12 is opened.Exhaust after-treatment
System is opened signal and is triggered pneumatic actuator 6 action, makes valve enter normal operating conditions.After-treatment system
Shutdown and fault-signal trigger pneumatic actuator 6 action so that it is enter top double containment baffle plate 13 and open, side
Single sealing baffle 12 off status.
Detachable apron block is bolted to above valve T-shaped frame and side, and double containment baffle plate is installed on
In portion's apron block, single sealing baffle is arranged in side board seat；The pressure upper and lower by double containment baffle plate is surveyed
Amount signal and position switch signal control pneumatic actuator, and during normal work, diesel exhaust is by via valve
Side is discharged；Receiving and start or after fault-signal, side board closes, and upper guard-plate is opened, by exhaust gas bypass.
Described valve side exit and top exit centrage are 90 ° of angles.Described valve actuator drives
Mode is pneumatic, and driver part is for connecting rod-type.
Claims (10)
1. pneumatic type automatic control tee valve door, is characterized in that: include valve T-shaped frame, first gear panel seat,
Second gear panel seat, single sealing baffle, double containment baffle plate, pneumatic actuator, the upper surface of first gear panel seat and
First group of flange is installed in lower surface, and the outer face of second gear panel seat and inner face install second group of flange, valve
The upper surface of T-shaped frame, lower surface, three, side end face end face install three-group method orchid, first gear panel seat lower end
The flange in face is connected with the flange of valve T-shaped frame upper surface, the flange of second gear panel seat inner face and valve T
The flange of shape frame side end face is connected, and double containment baffle plate is arranged in first gear panel seat by the first guide rod, Dan Mi
Block plate is arranged in second gear panel seat by the second guide rod, valve T-shaped frame arranges pneumatic actuator and installs
Frame, pneumatic actuator is arranged on pneumatic actuator installing rack, pneumatic actuator connect the first actuator and
Second actuator, the first actuator connects the first guide rod, and the second actuator connects the second guide rod, gas
Dynamic actuator driven the first actuator or/and the second actuator from driving the first guide rod or/and the second guide rod
And then driving double containment baffle plate or/and single sealing baffle rotates, diesel exhaust enters from valve T-shaped frame lower surface
Enter, discharge from first gear panel seat upper surface or second gear panel seat outer face.
Pneumatic type automatic control tee valve door the most according to claim 1, is characterized in that: first performs
Mechanism includes head rod, the first revolving part, and the second actuator includes the second connecting rod, the second rotation
Part, pneumatic actuator connects head rod, the second revolving part, and head rod connects the first revolving part,
First revolving part connects the second guide rod and the second connecting rod respectively, and the second revolving part connects the second connecting rod respectively
With the first guide rod.
Pneumatic type automatic control tee valve door the most according to claim 2, is characterized in that: first performs
The centrage of mechanism and the second actuator is in the same plane.
4., according to the arbitrary described pneumatic type automatic control tee valve door of claim 1-3, it is characterized in that: also
Including pressure measuring tube, pressure measuring tube includes the first pressure measuring tube, the second pressure measuring tube, the first pressure
Power is measured pipe and is arranged on first gear panel seat, and the first pressure measuring tube becomes 180 with sealing air interface centrage
Degree, the second pressure measuring tube is arranged on valve T-shaped frame, in the second pressure measuring tube and sealing air interface
Heart line becomes 90 degree, and the first pressure measuring tube and the second pressure measuring tube are all connected with differential pressure transmitter.
5., according to the arbitrary described pneumatic type automatic control tee valve door of claim 1-3, it is characterized in that: the
Sealing air interface is set on one apron block, seals air interface and become 45 degree of angles with second gear panel seat axis.
Pneumatic type automatic control tee valve door the most according to claim 4, is characterized in that: the first baffle plate
Sealing air interface is set on Zuo, seals air interface and become 45 degree of angles with second gear panel seat axis.
7., according to the arbitrary described pneumatic type automatic control tee valve door of claim 1-3, it is characterized in that: the
The side of two apron blocks arranges position switch, and position switch is parallel to the second guide rod.
Pneumatic type automatic control tee valve door the most according to claim 4, is characterized in that: second baffle
The side of seat arranges position switch, and position switch is parallel to the second guide rod.
Pneumatic type automatic control tee valve door the most according to claim 5, is characterized in that: second baffle
The side of seat arranges position switch, and position switch is parallel to the second guide rod.
Pneumatic type automatic control tee valve door the most according to claim 6, is characterized in that: second gear
The side of panel seat arranges position switch, and position switch is parallel to the second guide rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410085342.8A CN103899788B (en) | 2014-03-11 | 2014-03-11 | Pneumatic type automatic control tee valve door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410085342.8A CN103899788B (en) | 2014-03-11 | 2014-03-11 | Pneumatic type automatic control tee valve door |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103899788A CN103899788A (en) | 2014-07-02 |
| CN103899788B true CN103899788B (en) | 2016-08-17 |
Family
ID=50991294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410085342.8A Active CN103899788B (en) | 2014-03-11 | 2014-03-11 | Pneumatic type automatic control tee valve door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103899788B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104913088B (en) * | 2015-06-03 | 2017-11-24 | 南京年代科技有限公司 | Floating energy saving check valve |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4687179A (en) * | 1983-03-21 | 1987-08-18 | Smith Gordon M | Automatic valve actuator and control system |
| CN2859135Y (en) * | 2005-12-09 | 2007-01-17 | 长岭炼化岳阳工程设计有限公司 | High temperature gas three-way control valve |
| CN201093692Y (en) * | 2007-09-24 | 2008-07-30 | 广州文冲船厂有限责任公司 | Watercraft heating system |
| CN201301995Y (en) * | 2008-10-06 | 2009-09-02 | 洛阳栾川钼业集团股份有限公司 | A three-way reversing valve |
| CN202972023U (en) * | 2012-12-26 | 2013-06-05 | 谢思 | Ventilator two-channel unpowered automatic switching device |
| CN103277538A (en) * | 2013-05-08 | 2013-09-04 | 宁波钢铁有限公司 | Tee joint switching valve for smoke circulation of sintering machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10121996A (en) * | 1996-10-18 | 1998-05-12 | Sumitomo Electric Ind Ltd | Three way valve and exhaust gas processing device using it |
-
2014
- 2014-03-11 CN CN201410085342.8A patent/CN103899788B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4687179A (en) * | 1983-03-21 | 1987-08-18 | Smith Gordon M | Automatic valve actuator and control system |
| CN2859135Y (en) * | 2005-12-09 | 2007-01-17 | 长岭炼化岳阳工程设计有限公司 | High temperature gas three-way control valve |
| CN201093692Y (en) * | 2007-09-24 | 2008-07-30 | 广州文冲船厂有限责任公司 | Watercraft heating system |
| CN201301995Y (en) * | 2008-10-06 | 2009-09-02 | 洛阳栾川钼业集团股份有限公司 | A three-way reversing valve |
| CN202972023U (en) * | 2012-12-26 | 2013-06-05 | 谢思 | Ventilator two-channel unpowered automatic switching device |
| CN103277538A (en) * | 2013-05-08 | 2013-09-04 | 宁波钢铁有限公司 | Tee joint switching valve for smoke circulation of sintering machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103899788A (en) | 2014-07-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20140702 Assignee: Heideway Technology Group (Qingdao) Co., Ltd. Assignor: Harbin Engineering Univ. Contract record no.: 2019370010010 Denomination of invention: Pneumatic type automatic control three-way valve Granted publication date: 20160817 License type: Common License Record date: 20190605 |
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| EE01 | Entry into force of recordation of patent licensing contract |