CN207648467U - Type pressure regulator is automatically closed in a kind of combustion gas supervisor - Google Patents
Type pressure regulator is automatically closed in a kind of combustion gas supervisor Download PDFInfo
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- CN207648467U CN207648467U CN201721436159.3U CN201721436159U CN207648467U CN 207648467 U CN207648467 U CN 207648467U CN 201721436159 U CN201721436159 U CN 201721436159U CN 207648467 U CN207648467 U CN 207648467U
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Abstract
The utility model discloses a kind of combustion gas, type pressure regulator is automatically closed in supervisor, it is related to gas voltage regulation of voltage regulation technical field, including the main valve being connected in combustion gas supervisor, on combustion gas supervisor also regulator is connected with by adjusting gas circuit, the regulator includes controlling pilot valve by the decompression that adjusting gas circuit connects, super pressure control pilot valve and double adjustment type pilot valves, the decompression controls pilot valve, the interface and signal port of super pressure control pilot valve and double adjustment type pilot valves are connected into combustion gas supervisor, this combustion gas supervisor is automatically closed type pressure regulator and is suitble in natural gas, liquefied petroleum gas, device in Gas, it is installed and used on the gas pipelines such as coal gas and CNG voltage regulating stations, to promoting gas company to gas line network voltage-regulation voltage-stabilization, allotment gas supply management level of operation has obviously technique effect.
Description
Technical field
The utility model is related to gas voltage regulation of voltage regulation technical field, more particularly to type pressure regulation is automatically closed in a kind of combustion gas supervisor
Device.
Background technology
In recent years, with the high speed development of Chinese national economy, the process of Urbanization Construction is greatly advanced, existing
City size gradually extends, under the background of the quick increase-volume of resident population, and many cities are to Domestic Gas and industrial gas
The gesture of accelerated growth is just being presented in demand.Currently, China most cities gas company is all inevitably supplied by gas line network equipment
Gas scarce capacity, headend equipment failure cause inlet pressure to increase the limitation that either storage such as combustion gas resource quota is multifactor, no
It with degree faces and is difficult to maintain the difficult situation of normal supply gas pressure due to " pressure of gas line network relatively low or excessively high fluctuation ",
Gas peak period is especially used in winter, and many cities all can frequently occur can not since air source is insufficient, ductwork pressure is relatively low
The phenomenon that normal gas supply.Front end pressure regulator damage causes inlet pressure to increase or more than service pressure.For " ductwork pressure
It is relatively low or higher cause air supply pressure fluctuation " the phenomenon that, gas company is mostly utilized on gas transmission line and installs indirectly-acting
Formula pressure regulator and limiting pressure closing valve carry out " peak load shifting " to realize voltage-regulation voltage-stabilization, existing indirect acting type tune to gaseous-pressure
The basic structure of depressor is：The pilot valve that it is mainly connected by the main valve being installed on gas transmission line with pressure regulation signal pipe forms,
Voltage-regulation voltage-stabilization operation principle is to import the Pressure Fluctuation Signal of gas line network in pilot valve to push voltage regulation diaphragm with pressure oscillation
And move up and down and then change throttle opening, you can input is believed with the pressure regulation that ductwork pressure fluctuates into the homophony bellows of main valve
Number, then push valve rod or more displacement to carry out in due course pressure regulation to adjust the open degree of main valve by homophony diaphragm, you can downstream user
The combustion gas that output pressure is stablized is for using.
In the prior art, as being CN206246766U after disclosure, the time of disclosure is on June 13rd, 2017, entitled " to press certainly
The Chinese utility model patent document of power loaded type pressure regulator " discloses one kind from pressure-loaded formula pressure regulator, it is mainly by adjusting
Pressure main valve and command valve, pressure maintaining valve connect into integrally-built voltage regulator controllers composition, it is structurally characterized in that：Command valve,
It commander throttling flap, pressure stable throttle valve valve is equipped in pressure maintaining valve is respectively composed in series and second throttle and dual is carried out to pressure regulation signal
" the compound voltage-regulation voltage-stabilization structure " closed is inputted to pressure regulation main valve again after voltage regulator controllers carry out second throttle voltage-regulation voltage-stabilization
Stable pressure regulation signal carries out voltage-regulation voltage-stabilization operation, you can realizes automatic adjustment output gas pressure and is allowed to the hair to tend towards stability
Improving eyesight.Show by probation：The utility model is really with structure Simplified Design is reasonable, manufacturing cost is low, installation makes
With convenient, regulation precision is high, output pressure stability is good, closes the prominent of strong, the safe and reliable to operation long working life of sealing performance
Go out advantage, there is splendid popularizing application prospect in gas transmission industry.
Invention content
The purpose of this utility model is to provide one kind be suitble to natural gas, liquefied petroleum gas, device in Gas, coal gas and
It installs and uses on the gas pipelines such as CNG voltage regulating stations, gas line network voltage-regulation voltage-stabilization, allotment gas supply management is made to promoting gas company
Type pressure regulator is automatically closed with obviously technique effect in industry level.
The purpose of this utility model is achieved through the following technical solutions：
Type pressure regulator is automatically closed in a kind of combustion gas supervisor, it is characterised in that：Including the main valve being connected in combustion gas supervisor, combustion
It also is connected with regulator by adjusting gas circuit on gas supervisor, the regulator includes the decompression control connected by adjusting gas circuit
Pilot valve, super pressure control pilot valve and double adjustment type pilot valves, the decompression control pilot valve, super pressure control pilot valve and double tune
The interface and signal port of nodal pattern pilot valve are connected into combustion gas supervisor.
The decompression control pilot valve and super pressure control pilot valve are including two interfaces and a signal port and to carry
The pilot valve of adjustment spring, pipeline pressure enter decompression control pilot valve and super pressure control pilot valve and adjustment spring from signal port
It is compared and controls opening and closing.
It is connected by a respective interface between the decompression control pilot valve and super pressure control pilot valve, decompression control
Pilot valve and one, super pressure control pilot valve other two interface are connected with the level-one voltage regulation part of double adjustment type pilot valves, another
It is a that combustion gas supervisor is accessed by pipeline.
The interface and decompression control commander of the decompression control pilot valve and super pressure control pilot valve access combustion gas supervisor
The position of device and super pressure control pilot valve signal port access combustion gas supervisor are respectively positioned on the import side ducts of main valve.
The interface and decompression control commander of the decompression control pilot valve and super pressure control pilot valve access combustion gas supervisor
The position of device and super pressure control pilot valve signal port access combustion gas supervisor are respectively positioned on the outlet side ducts of main valve, and decompression control refers to
It waves and is also associated with release valve ball between device and the interface and combustion gas supervisor of super pressure control pilot valve access combustion gas supervisor.
Double adjustment type pilot valves include level-one voltage regulation part, second voltage regulation component and three-level stable regulation component；Institute
It states level-one voltage regulation part with the interface of decompression control pilot valve or super pressure control pilot valve to be connected, the second voltage regulation component and three
Grade stable regulation component is connected into combustion gas supervisor in the outlet side of main valve.
The main valve includes the valve body with bottom cover, and homophony bellows is provided on main valve；Valve seat, cage type are fitted in main valve
Valve pocket, spool, valve rod and homophony spring.
It is equipped with pressure regulation flexible sheet in the homophony bellows, homophony bellows is divided into upper chamber and lower chamber, valve rod connection
In pressure regulation flexible sheet.
Double adjustment type pilot valves include level-one voltage regulation part, second voltage regulation component and three-level stable regulation component,
It is equipped with voltage regulation diaphragm between its pressure regulation valve body and bonnet, and is divided into pressure regulation air cavity, pressure regulating axis both ends are connected to its pressure regulator membrane
Piece.
The beneficial effects of the utility model are as follows：
One, type pressure regulator is automatically closed in a kind of combustion gas supervisor provided by the utility model, is set up by being responsible in combustion gas
It is frequently opened and closed to coordinate the regulator of main valve to reduce the main valve caused by airline pressure changes, increases the main valve service life,
Decompression control pilot valve, super pressure control pilot valve and double adjustment type pilot valves can make the case where pipeline decompression, superpressure instead
It answers, can carry out an adjustment by the opening and closing of regulator under general decompression or superpressure state, be referred to by double adjustment types
It waves the outlet pressure that device can make superpressure, decompression that type pressure regulator be automatically closed more to stablize, to improve the steady of entire voltage-regulating system
Precision is pressed, being particularly suitable for installing on the gas pipelines such as natural gas, liquefied petroleum gas, device in Gas, coal gas and CNG voltage regulating stations makes
With to promoting gas company to gas line network " voltage-regulation voltage-stabilization, allotment supply " management level of operation with obviously technology
Effect.
Two, type pressure regulator is automatically closed in a kind of combustion gas supervisor provided by the utility model, and pipeline pressure is accessed from signal port
Decompression controls the cavity of resorption of pilot valve and super pressure control pilot valve diaphragm, controls pilot valve and super pressure control pilot valve with decompression respectively
Adjustment spring be compared, control the through and off of the intake channel of double adjustment type pilot valves, to the entire outlet superpressure of control,
The open and close of type pressure regulator are automatically closed in decompression；Double adjustment type pilot valves are divided into level-one voltage regulation part, second voltage regulation portion
Part, three-level stable regulation component, level-one voltage regulation part are adjusted for equal-pressure-difference, i.e., the outlet pressure and surpass that level-one voltage regulation part is adjusted
The outlet pressure that type pressure regulator is automatically closed in pressure, decompression keeps a constant pressure difference, and main purpose is the second voltage regulation portion that allows
For part there are one the inlet pressure stablized, type pressure regulator is automatically closed in the inlet pressure and superpressure, decompression that reduce second voltage regulation component
Outlet pressure between difference.The outlet pressure that type pressure regulator is automatically closed in superpressure, decompression can so more stablized, to
The precision of voltage regulation of entire voltage-regulating system is improved, fine adjustment of the three-level stable regulation system as outlet pressure makes superpressure, decompression certainly
The outlet pressure of dynamic closed type pressure regulator is more stablized, and reaction speed is more quick.
Three, type pressure regulator is automatically closed in a kind of combustion gas supervisor provided by the utility model, when decompression control pilot valve and surpasses
The interface and decompression control pilot valve of voltage-controlled pilot valve access combustion gas supervisor processed and the access combustion of super pressure control pilot valve signal port
The position of gas supervisor is respectively positioned on the outlet side ducts of main valve, and the outlet pressure that type pressure regulator is automatically closed in outlet superpressure, decompression goes out
When existing superpressure or decompression are closed, at this moment voltage-regulating system can not normally restore automatically, need to be allowed using release valve ball and export pressure recovery
To normal value, only when outlet pressure is restored to normal value decompression control pilot valve and super pressure control pilot valve inlet pressure
Access can just be opened, and pressure regulator could work normally.
Description of the drawings
Fig. 1 is a kind of schematic diagram of preferred embodiment of the utility model；
Fig. 2 is the schematic diagram of another preferred embodiment of the utility model；
Fig. 3 is that the utility model carries a kind of schematic diagram of preferred embodiment of adsorption system；
In figure：
1, bottom cover；2, type circle；3, valve body；4, valve seat；5, spool；6, cage type valve pocket；7, type circle；8, lower membrane cover；9, it holds in the palm
Disk；10, pressure regulation flexible sheet；11, decompression controls pilot valve；12, super pressure control pilot valve；13, valve rod；14, clamp nut；
15, valve rod；16, signal pipe；17, homophony spring；18, spool；19, double adjustment type pilot valves；20, release valve ball；21, level-one tune
Splenium part；22, second voltage regulation component；23, three-level stable regulation component.
Specific implementation mode
The technical solution for realizing the utility model aim is further illustrated below by way of several specific embodiments, is needed
Bright, the technical solution of the utility model is including but not limited to following embodiment.
Embodiment 1
Such as Fig. 1 to Fig. 3, type pressure regulator is automatically closed in a kind of combustion gas supervisor, including the main valve being connected in combustion gas supervisor, combustion
It also is connected with regulator by adjusting gas circuit on gas supervisor, the regulator includes the decompression control connected by adjusting gas circuit
Pilot valve 11, super pressure control pilot valve 12 and double adjustment type pilot valves 19, the decompression control pilot valve 11, super pressure control commander
The interface and signal port of device 12 and double adjustment type pilot valves 19 are connected into combustion gas supervisor.
This is a kind of most basic embodiment of the utility model.It is set up by being responsible in combustion gas coordinating main valve
Regulator is frequently opened and closed to reduce the main valve caused by airline pressure changes, the increase main valve service life, decompression control pilot valve,
Super pressure control pilot valve and double adjustment type pilot valves can react to the case where pipeline decompression, superpressure, general decompression or
An adjustment can be carried out by the opening and closing of regulator under superpressure state, can make superpressure by double adjustment type pilot valves, lose
The outlet pressure that type pressure regulator is automatically closed in pressure is more stablized, and to improve the precision of voltage regulation of entire voltage-regulating system, is particularly suitable for
It is installed and used on the gas pipelines such as natural gas, liquefied petroleum gas, device in Gas, coal gas and CNG voltage regulating stations, it is public to promoting combustion gas
Department has obviously technique effect to gas line network " voltage-regulation voltage-stabilization, allotment supply " management level of operation.
Embodiment 2
Such as Fig. 1 to Fig. 3, type pressure regulator is automatically closed in a kind of combustion gas supervisor, including the main valve being connected in combustion gas supervisor, combustion
It also is connected with regulator by adjusting gas circuit on gas supervisor, the regulator includes the decompression control connected by adjusting gas circuit
Pilot valve 11, super pressure control pilot valve 12 and double adjustment type pilot valves 19, the decompression control pilot valve 11, super pressure control commander
The interface and signal port of device 12 and double adjustment type pilot valves 19 are connected into combustion gas supervisor；The decompression controls pilot valve 11 and surpasses
Voltage-controlled pilot valve processed 12 is the pilot valve including two interfaces and a signal port and with adjustment spring, and pipeline pressure is self-confident
Number mouth enters decompression control pilot valve 11 and super pressure control pilot valve 12 is compared with adjustment spring 17 and controls opening and closing；It is described
Decompression, which controls, to be connected between pilot valve 11 and super pressure control pilot valve 12 by a respective interface, and decompression controls pilot valve 11
One is connected with the level-one voltage regulation part 21 of double adjustment type pilot valves 19 with super pressure control pilot valve 12 other two interface, another
It is a that combustion gas supervisor is accessed by pipeline；The decompression control pilot valve 11 and super pressure control pilot valve 12 access connecing for combustion gas supervisor
The position of mouth and decompression control pilot valve 11 and 12 signal port of super pressure control pilot valve access combustion gas supervisor are respectively positioned on main valve
Import side ducts.
This is a kind of preferred embodiment of the utility model.It is set up by being responsible in combustion gas coordinating main valve
Regulator is frequently opened and closed to reduce the main valve caused by airline pressure changes, the increase main valve service life, decompression control pilot valve,
Super pressure control pilot valve and double adjustment type pilot valves can react to the case where pipeline decompression, superpressure, general decompression or
An adjustment can be carried out by the opening and closing of regulator under superpressure state, can make superpressure by double adjustment type pilot valves, lose
The outlet pressure that type pressure regulator is automatically closed in pressure is more stablized, and to improve the precision of voltage regulation of entire voltage-regulating system, is particularly suitable for
It is installed and used on the gas pipelines such as natural gas, liquefied petroleum gas, device in Gas, coal gas and CNG voltage regulating stations, it is public to promoting combustion gas
Department has obviously technique effect to gas line network " voltage-regulation voltage-stabilization, allotment supply " management level of operation；Pipeline pressure is certainly
Signal port accesses the cavity of resorption of decompression control pilot valve and super pressure control pilot valve diaphragm, controls pilot valve and superpressure with decompression respectively
The adjustment spring of control pilot valve is compared, and controls the through and off of the intake channel of double adjustment type pilot valves, whole to control
The open and close of type pressure regulator are automatically closed in a outlet superpressure, decompression；Double adjustment type pilot valves, be divided into level-one voltage regulation part,
Second voltage regulation component, three-level stable regulation component, level-one voltage regulation part are adjusted for equal-pressure-difference, i.e., what level-one voltage regulation part was adjusted goes out
The outlet pressure that type pressure regulator is automatically closed with superpressure, decompression for mouth pressure keeps a constant pressure difference, and main purpose is to allow
There are one the inlet pressure stablized, the inlet pressure for reducing second voltage regulation component closes second voltage regulation component automatically with superpressure, decompression
Difference between the outlet pressure of closed form pressure regulator.It can make superpressure, decompression that the outlet pressure of type pressure regulator be automatically closed more in this way
Add stabilization, to improve the precision of voltage regulation of entire voltage-regulating system, fine adjustment of the three-level stable regulation system as outlet pressure makes
The outlet pressure that type pressure regulator is automatically closed in superpressure, decompression is more stablized, and reaction speed is more quick.
Embodiment 3
Such as Fig. 1 to Fig. 3, type pressure regulator is automatically closed in a kind of combustion gas supervisor, including the main valve being connected in combustion gas supervisor, combustion
It also is connected with regulator by adjusting gas circuit on gas supervisor, the regulator includes the decompression control connected by adjusting gas circuit
Pilot valve 11, super pressure control pilot valve 12 and double adjustment type pilot valves 19, the decompression control pilot valve 11, super pressure control commander
The interface and signal port of device 12 and double adjustment type pilot valves 19 are connected into combustion gas supervisor；The decompression controls pilot valve 11 and surpasses
Voltage-controlled pilot valve processed 12 is the pilot valve including two interfaces and a signal port and with adjustment spring, and pipeline pressure is self-confident
Number mouth enters decompression control pilot valve 11 and super pressure control pilot valve 12 is compared with adjustment spring 17 and controls opening and closing；It is described
Decompression, which controls, to be connected between pilot valve 11 and super pressure control pilot valve 12 by a respective interface, and decompression controls pilot valve 11
One is connected with the level-one voltage regulation part 21 of double adjustment type pilot valves 19 with super pressure control pilot valve 12 other two interface, another
It is a that combustion gas supervisor is accessed by pipeline；The decompression control pilot valve 11 and super pressure control pilot valve 12 access connecing for combustion gas supervisor
The position of mouth and decompression control pilot valve 11 and 12 signal port of super pressure control pilot valve access combustion gas supervisor are respectively positioned on main valve
Side ducts are exported, and decompression control pilot valve 11 and super pressure control pilot valve 12 access the interface of combustion gas supervisor and combustion gas is responsible for it
Between be also associated with release valve ball 20.
This is a kind of preferred embodiment of the utility model.It is set up by being responsible in combustion gas coordinating main valve
Regulator is frequently opened and closed to reduce the main valve caused by airline pressure changes, the increase main valve service life, decompression control pilot valve,
Super pressure control pilot valve and double adjustment type pilot valves can react to the case where pipeline decompression, superpressure, general decompression or
An adjustment can be carried out by the opening and closing of regulator under superpressure state, can make superpressure by double adjustment type pilot valves, lose
The outlet pressure that type pressure regulator is automatically closed in pressure is more stablized, and to improve the precision of voltage regulation of entire voltage-regulating system, is particularly suitable for
It is installed and used on the gas pipelines such as natural gas, liquefied petroleum gas, device in Gas, coal gas and CNG voltage regulating stations, it is public to promoting combustion gas
Department has obviously technique effect to gas line network " voltage-regulation voltage-stabilization, allotment supply " management level of operation；Pipeline pressure is certainly
Signal port accesses the cavity of resorption of decompression control pilot valve and super pressure control pilot valve diaphragm, controls pilot valve and superpressure with decompression respectively
The adjustment spring of control pilot valve is compared, and controls the through and off of the intake channel of double adjustment type pilot valves, whole to control
The open and close of type pressure regulator are automatically closed in a outlet superpressure, decompression；Double adjustment type pilot valves, be divided into level-one voltage regulation part,
Second voltage regulation component, three-level stable regulation component, level-one voltage regulation part are adjusted for equal-pressure-difference, i.e., what level-one voltage regulation part was adjusted goes out
The outlet pressure that type pressure regulator is automatically closed with superpressure, decompression for mouth pressure keeps a constant pressure difference, and main purpose is to allow
There are one the inlet pressure stablized, the inlet pressure for reducing second voltage regulation component closes second voltage regulation component automatically with superpressure, decompression
Difference between the outlet pressure of closed form pressure regulator.It can make superpressure, decompression that the outlet pressure of type pressure regulator be automatically closed more in this way
Add stabilization, to improve the precision of voltage regulation of entire voltage-regulating system, fine adjustment of the three-level stable regulation system as outlet pressure makes
The outlet pressure that type pressure regulator is automatically closed in superpressure, decompression is more stablized, and reaction speed is more quick；When decompression controls pilot valve
It is connect with the interface and decompression control pilot valve and super pressure control pilot valve signal port of super pressure control pilot valve access combustion gas supervisor
The position for entering combustion gas supervisor is respectively positioned on the outlet side ducts of main valve, and the outlet pressure of type pressure regulator is automatically closed in outlet superpressure, decompression
When superpressure or decompression closing occurs in power, at this moment voltage-regulating system can not normally restore automatically, release valve ball need to be used by outlet pressure
Be restored to normal value, only when outlet pressure is restored to normal value decompression control pilot valve and super pressure control pilot valve import
Pressure port can just open, and pressure regulator could work normally.
Embodiment 4
Such as Fig. 1 to Fig. 3, type pressure regulator is automatically closed in a kind of combustion gas supervisor, including the main valve being connected in combustion gas supervisor, combustion
It also is connected with regulator by adjusting gas circuit on gas supervisor, the regulator includes the decompression control connected by adjusting gas circuit
Pilot valve 11, super pressure control pilot valve 12 and double adjustment type pilot valves 19, the decompression control pilot valve 11, super pressure control commander
The interface and signal port of device 12 and double adjustment type pilot valves 19 are connected into combustion gas supervisor；The decompression controls pilot valve 11 and surpasses
Voltage-controlled pilot valve processed 12 is the pilot valve including two interfaces and a signal port and with adjustment spring, and pipeline pressure is self-confident
Number mouth enters decompression control pilot valve 11 and super pressure control pilot valve 12 is compared with adjustment spring 17 and controls opening and closing；It is described
Decompression, which controls, to be connected between pilot valve 11 and super pressure control pilot valve 12 by a respective interface, and decompression controls pilot valve 11
One is connected with the level-one voltage regulation part 21 of double adjustment type pilot valves 19 with super pressure control pilot valve 12 other two interface, another
It is a that combustion gas supervisor is accessed by pipeline；Double adjustment type pilot valves 19 include level-one voltage regulation part 21, second voltage regulation component 22
With three-level stable regulation component 23；The level-one voltage regulation part 21 and decompression control pilot valve 11 or super pressure control pilot valve 12
Interface is connected, and the second voltage regulation component 22 and three-level stable regulation component 23 are connected into combustion gas supervisor in the outlet side of main valve；Institute
It includes the valve body 3 with bottom cover 1 to state main valve, and homophony bellows is provided on main valve；Be fitted in main valve valve seat 4, cage type valve pocket 6,
Spool 5, valve rod 13 and homophony spring 17；It is equipped with pressure regulation flexible sheet 10 in the homophony bellows, homophony bellows is divided into upper gas
Room and lower chamber, valve rod 13 are connected to pressure regulation flexible sheet 10；Double adjustment type pilot valves 19 include level-one voltage regulation part 21,
Second voltage regulation component 22 and three-level stable regulation component 23, equipped voltage regulation diaphragm is divided between its pressure regulation valve body and bonnet,
Pressure regulation air cavity, pressure regulating axis both ends are connected to its voltage regulation diaphragm.
This is a kind of preferred embodiment of the utility model.It is set up by being responsible in combustion gas coordinating the tune of main valve
Pressure device is frequently opened and closed to reduce the main valve caused by airline pressure changes, and increases the main valve service life, and decompression controls pilot valve, surpasses
Voltage-controlled pilot valve processed and double adjustment type pilot valves can react to the case where pipeline decompression, superpressure, general decompression or super
An adjustment can be carried out by the opening and closing of regulator under pressure condition, can make superpressure, decompression by double adjustment type pilot valves
The outlet pressure that type pressure regulator is automatically closed more is stablized, and to improve the precision of voltage regulation of entire voltage-regulating system, is particularly suitable for
It is installed and used on the gas pipelines such as natural gas, liquefied petroleum gas, device in Gas, coal gas and CNG voltage regulating stations, to promoting gas company
There is obviously technique effect to gas line network " voltage-regulation voltage-stabilization, allotment gas supply " management level of operation；Pipeline pressure is self-confident
The cavity of resorption of number mouth access decompression control pilot valve and super pressure control pilot valve diaphragm, controls pilot valve and superpressure control with decompression respectively
The adjustment spring of pilot valve processed is compared, and controls the through and off of the intake channel of double adjustment type pilot valves, to which control is entire
The open and close of type pressure regulator are automatically closed in outlet superpressure, decompression；Double adjustment type pilot valves, are divided into level-one voltage regulation part, two
Grade voltage regulation part, three-level stable regulation component, level-one voltage regulation part are adjusted for equal-pressure-difference, i.e., the outlet that level-one voltage regulation part is adjusted
The outlet pressure that type pressure regulator is automatically closed in pressure and superpressure, decompression keeps a constant pressure difference, and main purpose is to allow two
There are one the inlet pressure stablized, the inlet pressure for reducing second voltage regulation component is automatically closed grade voltage regulation part with superpressure, decompression
Difference between the outlet pressure of type pressure regulator.It can make superpressure, decompression that the outlet pressure of type pressure regulator be automatically closed more in this way
Stablize, to improve the precision of voltage regulation of entire voltage-regulating system, fine adjustment of the three-level stable regulation system as outlet pressure makes to surpass
The outlet pressure that type pressure regulator is automatically closed in pressure, decompression is more stablized, and reaction speed is more quick；When decompression control pilot valve and
Super pressure control pilot valve accesses the interface of combustion gas supervisor and decompression controls pilot valve and the access of super pressure control pilot valve signal port
The position of combustion gas supervisor is respectively positioned on the outlet side ducts of main valve, and the outlet pressure of type pressure regulator is automatically closed in outlet superpressure, decompression
When there is superpressure or decompression closing, at this moment voltage-regulating system can not normally restore automatically, release valve ball need to be used extensive by outlet pressure
Arrive normal value again, only when outlet pressure is restored to normal value decompression control pilot valve and super pressure control pilot valve inlet-pressure
Power access can just be opened, and pressure regulator could work normally.
Claims (9)
1. type pressure regulator is automatically closed in a kind of combustion gas supervisor, it is characterised in that：Including the main valve being connected in combustion gas supervisor, combustion gas
It also is connected with regulator by adjusting gas circuit on supervisor, the regulator includes that the decompression control connected by adjusting gas circuit refers to
Wave device（11）, super pressure control pilot valve（12）With double adjustment type pilot valves（19）, the decompression control pilot valve（11）, superpressure control
Pilot valve processed（12）With double adjustment type pilot valves（19）Interface and signal port be connected into combustion gas supervisor in.
2. type pressure regulator is automatically closed in a kind of combustion gas supervisor as described in claim 1, it is characterised in that：The decompression control refers to
Wave device（11）With super pressure control pilot valve（12）It is the commander including two interfaces and a signal port and with adjustment spring
Device, pipeline pressure enter decompression from signal port and control pilot valve（11）With super pressure control pilot valve（12）With adjustment spring（17）Into
It goes relatively and controls opening and closing.
3. type pressure regulator is automatically closed in a kind of combustion gas supervisor as claimed in claim 2, it is characterised in that：The decompression control refers to
Wave device（11）With super pressure control pilot valve（12）Between by a respective interface be connected, decompression control pilot valve（11）With it is super
Voltage-controlled pilot valve processed（12）One, other two interface and double adjustment type pilot valves（19）Level-one voltage regulation part（21）It is connected, separately
One is accessed combustion gas supervisor by pipeline.
4. type pressure regulator is automatically closed in a kind of combustion gas supervisor as claimed in claim 3, it is characterised in that：The decompression control refers to
Wave device（11）With super pressure control pilot valve（12）The interface and decompression for accessing combustion gas supervisor control pilot valve（11）With superpressure control
Pilot valve processed（12）The position of signal port access combustion gas supervisor is respectively positioned on the import side ducts of main valve.
5. type pressure regulator is automatically closed in a kind of combustion gas supervisor as claimed in claim 3, it is characterised in that：The decompression control refers to
Wave device（11）With super pressure control pilot valve（12）The interface and decompression for accessing combustion gas supervisor control pilot valve（11）With superpressure control
Pilot valve processed（12）The position of signal port access combustion gas supervisor is respectively positioned on the outlet side ducts of main valve, and decompression controls pilot valve
（11）With super pressure control pilot valve（12）It is also associated with release valve ball between the interface and combustion gas supervisor of access combustion gas supervisor（20）.
6. type pressure regulator is automatically closed in a kind of combustion gas supervisor as described in claim 1, it is characterised in that：Double adjustment types refer to
Wave device（19）Including level-one voltage regulation part（21）, second voltage regulation component（22）With three-level stable regulation component（23）；The level-one
Voltage regulation part（21）Pilot valve is controlled with decompression（11）Or super pressure control pilot valve（12）Interface be connected, the second voltage regulation portion
Part（22）With three-level stable regulation component（23）It is connected into combustion gas supervisor in the outlet side of main valve.
7. type pressure regulator is automatically closed in a kind of combustion gas supervisor as described in claim 1, it is characterised in that：The main valve includes band
There is bottom cover（1）Valve body（3）, homophony bellows is provided on main valve；Valve seat is fitted in main valve（4）, cage type valve pocket（6）, spool
（5）, valve rod（13）With homophony spring（17）.
8. type pressure regulator is automatically closed in a kind of combustion gas supervisor as claimed in claim 7, it is characterised in that：In the homophony bellows
Equipped pressure regulation flexible sheet（10）Homophony bellows is divided into upper chamber and lower chamber, valve rod（13）It is connected to pressure regulation flexible sheet
（10）.
9. type pressure regulator is automatically closed in a kind of combustion gas supervisor as described in claim 1, it is characterised in that：Double adjustment types refer to
Wave device（19）Including level-one voltage regulation part（21）, second voltage regulation component（22）With three-level stable regulation component（23）, in its pressure regulation
It is equipped with voltage regulation diaphragm between valve body and bonnet, and is divided into pressure regulation air cavity, pressure regulating axis both ends are connected to its voltage regulation diaphragm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721436159.3U CN207648467U (en) | 2017-11-01 | 2017-11-01 | Type pressure regulator is automatically closed in a kind of combustion gas supervisor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721436159.3U CN207648467U (en) | 2017-11-01 | 2017-11-01 | Type pressure regulator is automatically closed in a kind of combustion gas supervisor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207648467U true CN207648467U (en) | 2018-07-24 |
Family
ID=62884540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721436159.3U Active CN207648467U (en) | 2017-11-01 | 2017-11-01 | Type pressure regulator is automatically closed in a kind of combustion gas supervisor |
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2017
- 2017-11-01 CN CN201721436159.3U patent/CN207648467U/en active Active
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