CN206246766U - From pressure-loaded formula pressure regulator - Google Patents
From pressure-loaded formula pressure regulator Download PDFInfo
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- CN206246766U CN206246766U CN201621159315.1U CN201621159315U CN206246766U CN 206246766 U CN206246766 U CN 206246766U CN 201621159315 U CN201621159315 U CN 201621159315U CN 206246766 U CN206246766 U CN 206246766U
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- homophony
- voltage stabilizing
- commander
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Abstract
The utility model discloses one kind from pressure-loaded formula pressure regulator, it mainly connects into integrally-built voltage regulator controllers and constitutes by pressure regulation main valve and command valve, pressure maintaining valve, and it is structurally characterized in that：It is equipped with commander's throttling flap, pressure stable throttle valve valve respectively in command valve, pressure maintaining valve and is composed in series " the compound voltage-regulation voltage-stabilization structure " that second throttle and dual closing are carried out to pressure regulation signal, voltage-regulation voltage-stabilization operation is carried out after voltage regulator controllers carry out second throttle voltage-regulation voltage-stabilization to the pressure regulation signal of pressure regulation main valve smoothing input again, you can realization automatically adjusts output gas pressure and is allowed to the goal of the invention for tending towards stability.Show by probation：The utility model has that structure Simplified Design is reasonable, manufacturing cost is low, easy to install, regulation precision is high really, output pressure good stability, close that sealing property is strong, long working life safe and reliable to operation outstanding advantages, there is splendid popularizing application prospect in gas transmission industry.
Description
Technical field
The utility model is related to gas pressure regulation stable-pressure device, belongs to the technology for automatically adjusting distribution pressure stabilization output pressure
, from pressure-loaded formula pressure regulator, it is particularly suitable in natural gas, liquefied gas, coal gas and CNG pressure regulation for field, specifically one kind
To stand etc. and install and use on gas transmission line, there is obviously technique effect to improving transmission ＆ distribution body pressure stability performance of supplying gas.
Background technology
It is known that with China's oil natural gas cause and the high speed development of Urbanization Construction, greatly advancing city
City's transmission ＆ distribution send the construction process of gas ductwork facility.Understand according to investigations：At present, China major part city all built up substantially compared with
For perfect transmission ＆ distribution send gas distribution system, gas network, this in industrial production industry and resident living to carrying out " coal changes gas " environmental protection work
Journey has all played positive role.For gas transmission work authorities, the fuel gas product for providing a user with pressure stability is true
Protect an important technology quality index of " supply gas safely, safety gas ".But, it is defeated in transmission ＆ distribution send combustion gas operation process
Gas pipe network equipment is inevitably influenceed by objective factors such as upper end source of the gas, tube circumference geological environments and is caused gas transmission
Despite pressure fluctuations, are easy for leading to work safety accident when the excessive tolerance band beyond design of air pressure fluctuation amplitude.In order to
This problem is solved, most-often used technical measures are that a set of Regulation Control is installed on gas transmission line in existing gas transmission industry
Device, its pressure regulation operation principle is：Overpressure fluctuation signal is fed back into Regulation Control device, then by Regulation Control device
Pressure regulation operation is carried out to feed-line to regulate and control to tolerance band output gas pressure undulating value and be allowed to tend towards stability.By
Retrieval：Chinese patent CN202884159U is disclosed a kind of entitled " ultra-high voltage indirect action type voltage-regulating device "
（ZL201220454000.5）Utility model patent technology, it be by be installed on gas transmission supervisor on main valve and one group of signal pipe
The pilot valve composition of connection, signal pipe by gas transmission be responsible in Pressure Fluctuation Signal import pilot valve and act on voltage regulation diaphragm and make it
Change throttle opening, then the opening degree of main valve is adjusted to pressure regulation signal is input into main valve bellows from pilot valve, you can realize
Adjust the purpose of stable output pressure.To be objective, this pressure regulator product is ripe using for many years in gas transmission industry, and it is to dimension
Shield gas line network equipment safety operation has played certain effect.But, we are in the research and development of products of long campaigns pressure regulator and market
, it was also found that this traditional pressure regulator product still suffers from some technical bugs in actual motion in investigation, it is mainly showed
For：First, due to it be by gas transmission be responsible in pressure medium only once throttled through single command valve after just import main valve bellows
Pressure regulation operation is inside carried out, the pressure transient change amplitude imported as pressure regulation signal gas Jie in main valve bellows is larger（I other words, use
The buckling smooth-going stationarity for making pressure regulation gas Jie is poor）, this can form violent impact failure power to homophony diaphragm.This is exactly existing
The homophony diaphragm of pressure regulator is easily shortened a main cause of working life by larger transient pressure impact breakage, together
When, because the buckling smooth-going stationarity for importing the pressure regulation signal in main valve bellows is poor, pressure regulator can be also influenceed to output gas pressure
The pressure regulation stability of power.2nd, due to the closing sealing of existing pressure regulator is overlayed in the close of valve port upper surface by valve element
Seal is come what is realized, and sealing ring can be subject to the erosion corrosion of high-voltage high-speed airflow to damage and fail in pressure regulation operation process, special
Be not sealing ring surface be also easy to adhesive retention gas be situated between in impurity and reduce sealing property, this exactly existing pressure regulator is long-term
In the presence of a main cause of " closing sealing property poor ".This is also existing pressure regulator product long-term existence " even at pass
Closed state, also still has a small amount of gas leakage in downstream line sometimes " gas leak phenomenon, but, due to this " gas leak phenomenon "
It is flickering and leakage combustion gas quantity it is smaller, for a long time, do not attracted great attention always in pressure regulator industry, in fact,
This is that a kind of potential dangerous safety in production great in gas line network device systems falls into trouble.This be existing pressure regulator product also
Require further improvement and perfect technical task, the utility model is just intended to solve the above problems.
Utility model content
The purpose of this utility model is intended to overcome deficiencies of the prior art part and propose a kind of regulation precision
High, voltage regulation result is good, when closed with high sealing property from pressure-loaded formula pressure regulator.
The purpose of this utility model is achieved by the following technical solution：
The utility model proposes one kind from pressure-loaded formula pressure regulator, it include pressure regulation main valve, voltage regulator controllers KZ, institute
The pressure regulation main valve stated include main valve body, the main valve lid being installed on main valve body, epithelium gasket ring and the primary valve being fitted in valve pocket,
Main valve housing, homophony valve element, homophony valve rod, equipped homophony rubber film component part is divided into film in homophony between epithelium gasket ring and main valve lid
Chamber, homophony bottom film chamber, are fitted with the homophony spring of supporting homophony rubber film component part in membrane cavity in homophony, and described homophony valve element is slided
Assigned in in-core air cavity structure is formed in main valve housing, the balance of connection main valve inlet chamber and in-core air cavity is provided with homophony valve element
Stomata, the homophony valve rod is fixedly connected and is installed on homophony valve element, and the top of homophony valve rod is fixedly connected on homophony epithelium group
Part, is connected and installed with the homophony signal pipe of connection homophony bottom film chamber on main valve body, is covered in main valve and is connected and installed with connection master
Flow tube is pushed back on tune after membrane cavity, after push back flow tube the other end be connected to output supervisor, described voltage regulator controllers KZ is by referring to
Wave valve and pressure maintaining valve composition, command valve include lower valve body, middle valve body, upper valve body, commander regulation spring, commander nut and with commander
Commander's adjusting screw rod of nut threaded connection, commander's rubber film component part is equipped between upper valve body and middle valve body and constitutes commander's lower film
Chamber, the rear pressure inlet channel of connection commander's bottom film chamber is provided with middle valve body wall body, outlet passageway is pressed afterwards, in commander's epithelium group
Base is provided with by commander's bolt connection on part, the commander adjusts spring-loaded between base and pressure spring plate, and commander is adjusted
The bottom top of screw rod is affixed on pressure spring plate, and the rear pressure signal pipe of pressure inlet channel after connection is installed with middle valve body, after
The inlet end of signal pipe is pressed to be connected to output supervisor, it is characterised in that：Be provided with middle valve body wall body commander air chamber and with finger
Throttling outlet chamber, throttling outlet passageway that air chamber is communicated are waved, commander's throttling flap is fitted with commander's air chamber and finger is supported on
Commander's throttling spring of throttling flap is waved, the commander's inlet channel connected with commander's air chamber, institute are provided with lower valve body wall body
State homophony signal pipe inlet end be fixedly connected be installed on middle valve body with throttling outlet passageway be connected, described pressure maintaining valve includes
Voltage stabilizing valve body, voltage stabilizing bonnet, voltage stabilizing regulation spring and the voltage stabilizing adjusting screw rod that be threadedly coupled with voltage stabilizing bonnet, in voltage stabilizing valve body and
Voltage stabilizing rubber film component part is equipped between voltage stabilizing bonnet and is divided into membrane cavity in voltage stabilizing, voltage stabilizing bottom film chamber, set in pressure maintaining valve tegmental wall body
Have a rear pressure introduction passage of membrane cavity in connection voltage stabilizing, described voltage stabilizing regulation spring-loaded in voltage stabilizing rubber film component part and voltage stabilization plate it
Between, the bottom top of voltage stabilizing adjusting screw rod is affixed in voltage stabilization plate, is provided with what is communicated with voltage stabilizing bottom film chamber in voltage stabilizing valve body wall body
Voltage stabilizing regulation air flue, voltage stabilizing air chamber, pressure stable throttle valve valve is fitted with voltage stabilizing air chamber and the steady of pressure stable throttle valve valve is supported on
Pressure throttling spring, described pressure maintaining valve is fixedly connected the lower valve body for being installed on command valve, middle valve body by connecting bolt, pressure maintaining valve
Pressure introduction passage, voltage stabilizing regulation air flue butt up against the rear pressure outlet passageway of command valve, commander's inlet channel and form " closed respectively afterwards
The docking air passage structure of connection ", is fixedly connected the preceding pressure signal pipe for being provided with and being communicated with voltage stabilizing air chamber, preceding pressure on voltage stabilizing valve body
The inlet end of signal pipe is connected to main valve inlet chamber.It is significantly structurally characterized in that：Equipped voltage stabilizing is fixedly connected on command valve
Valve group integrally changes integrally-built voltage regulator controllers, and the rear pressure introduction passage of pressure maintaining valve, voltage stabilizing regulation air flue are butted up against into finger
Wave the rear pressure outlet passageway of valve, commander's inlet channel and form " the docking air passage structure of closed connection "；In commander's gas of command valve
Commander's throttling flap, pressure stable throttle valve valve are equipped with room, the voltage stabilizing air chamber of pressure maintaining valve respectively to be connected into and enter pressure regulation signal source of the gas
The voltage stabilizing of row second throttle and the compound voltage-regulation voltage-stabilization structure of dual closing；Supporting voltage stabilizing throttling spring is fitted with pressure maintaining valve
Voltage stabilization plate and the voltage stabilizing adjusting screw rod composition voltage stabilizing governor motion being threadedly coupled with voltage stabilizing bonnet.This structure design is particularly convenient
The operation of setting rated output pressure value is remodified according to actual condition Field adjustment in administrative staff, it preferably overcomes
The drawbacks of traditional voltage-stablizer " only disposably set when dispatching from the factory and live can not changed ".When gas transmission line pressure occurs ripple
When dynamic, the pressure regulation signal source of the gas that it can be to importing before valve, under the collective effect of downstream pressure fluctuation signal carries out second throttle
The stable pressure regulation signal of smooth-going is input into dual voltage stabilizing operation, then homophony bottom film chamber through from homophony signal pipe to pressure regulation main valve to adjust
Save the restriction aperture of main valve housing, you can realize regulation output gas pressure and be allowed to the goal of the invention for tending towards stability.Particularly
When pressure regulation main valve is closed, it can be throttled flap, pressure stable throttle valve valve are closed simultaneously before and pressed the utility model by the commander for connecting
Signal source of the gas carries out dual closing, thoroughly prevents the premenstrual pressure signal pipe of preceding pressurized air source, pressure maintaining valve, command valve in main valve inlet chamber
The gas leakage accident for flowing to the downstream output supervisor is let out by rear pressure signal pipe again, to ensuring that downstream user gas has safely highly significant
Technique effect.
Furthermore, it also has following technical characteristic：
Membrane cavity, the damping micropore of homophony bottom film chamber in connection homophony are provided with the body of rod of homophony valve rod and form slow discouraged
Road structure.This structure design can be effectively improved the buckling ride comfort and stationarity of homophony bottom film chamber internal pressure-regulating signal gas Jie, can
Greatly slow down and violent impact failure power is formed to homophony diaphragm because the pressure transient amplitude of pressure regulation signal gas Jie is excessive, it
The pressure difference of homophony bottom film chamber and membrane cavity in homophony can be efficiently controlled, it is to avoid because upper and lower membrane cavity pressure difference is excessive to homophony epithelium institute
The destruction for causing, imitates to protection homophony diaphragm extension working life and raising voltage-regulation voltage-stabilization performance with obviously technology
Really.
The pressure differential for controlling damping micropore to delay between the import in discouraged road, outlet two ends is 0.05MPa -0.10MPa.Through
It is on probation to show：It is splendid that this damping pressure drop to damping micropore controls the optimization design between 0.05MPa -0.10MPa to have
Earial drainage slow releasing function, can effectively be sustained the pressure transient amplitude that smooth-going homophony bottom film chamber internal pressure-regulating gas is situated between, can significantly improve
Buckling ride comfort, stationarity that homophony bottom film chamber internal pressure-regulating gas is situated between, improve the voltage stabilizing of the regulation precision and output pressure of pressure regulator
Ability.
It is fixedly connected by screw in the bottom of homophony valve element and the embedding structure that trim ring base plate constitutes built-in ring is installed.This
Plant the hard alloy that structure design is the sealing ring and primary valve upper surface that press-fit scarf by trim ring base plate and form pressure regulation main valve
Sealing pair is closed, trim ring base plate can effectively stop that high velocity air directly washes away sealing ring, the impurity in also preventing gas to be situated between is adhered to
Sealing ring surface is stranded in, be there is good protective effect to sealing ring and then extended its effective sealing life, adjusted to improving
The closing sealing property of depressor has certain technique effect.
Inner via hole sectional area of the upper end compression area of homophony valve element more than primary valve.It is set using in homophony valve element
Balancing air holes the gas in main valve inlet chamber is mediated into in-core air cavity and loading effect in the upper surface of homophony valve element, you can
Pressure regulation main valve imposes a down force to homophony valve element to strengthen the closing sealing property of pressure regulation main valve when closing.Its original
Reason is：When pressure regulation main valve is closed, the lower end compression area of homophony valve element is the inner via hole sectional area of primary valve, although homophony
The pressure P that the upper and lower end face of valve element is subject to is identical, but, due to the upper end compression area S of homophony valve elementOn>Lower end is pressurized
Area SUnder, that is, have：PSOn> PSUnderRelational expression, and PSOnWith PSUnderDifference it is suffered when being homophony valve element in off position
The down force of sealing property is closed for strengthening.The utility model is purposefully using this " homophony valve element upper end compression
Area be more than primary valve inner via hole sectional area " structure design, can be greatly enhanced adjust main valve closing sealing property, can be thorough
Eliminate in pressure regulator industry for a long time in the presence of the leakage of " even if closed mode, a small amount of gas is still had sometimes and leak into downstream line "
Gas accident potential.
It is 1.05-1.15 times of the inner via hole sectional area of primary valve to control the upper end compression area of homophony valve element.It is this to incite somebody to action
Main optimization multiplying power is by the upper end compression area S of homophony valve elementOnControl is in 1.05 × SUnderTo 1.15 × SUnderBetween, through trying out table
It is bright：The optimization multiplying power structure design of this homophony valve element upper and lower end compression area can not influence the situation of voltage-regulation voltage-stabilization precision
Under, further enhance the closing sealing property of pressure regulation main valve.
The bottom of commander's bolt of command valve is provided with pilot hole, the locating shaft slide fit of commander's throttling flap is in commander's spiral shell
In the pilot hole of bolt.This structure design there is good positioning and guiding to act on commander's throttling flap, it will ensure that commander's section
Stream flap can only up and down be vertically moved along pilot hole it is crooked without occurring, can effectively prevent because commander rubber film component part frequently go up
Lower movement and cause commander's throttling flap that crooked phenomenon occurs because commander's throttling flap once occur it is crooked after will influence to refer to
The restriction effect of valve is waved, particularly when pressure regulator is closed, signal source of the gas is pressed before also having a strong impact on commander's throttling valve flap seals
Tight performance.Trial show that：This positioning guide hole structure design can be greatly enhanced command valve when pressure regulator is closed
To the tight closure performance of preceding pressure signal source of the gas, i other words, it can be when pressure regulator be closed by commander's throttling flap tight closure
Preceding pressure signal source of the gas, can effectively prevent " pressure regulator in closed mode still have sometimes it is a small amount of before pressurized air source is premenstrual presses signal pipe, pressure regulation
Membrane cavity, rear pressure signal pipe are let out and flow to the downstream output master in controller, homophony signal pipe, homophony bottom film chamber, damping micropore, homophony
The gas leakage accident of pipe ".
Voltage stabilizing bolt is installed with the voltage stabilizing rubber film component part of pressure maintaining valve, the bottom of voltage stabilizing bolt is provided with voltage stabilizing
Location hole, the voltage stabilizing axle slide fit of pressure stable throttle valve valve is in the voltage stabilizing location hole of voltage stabilizing bolt.With it is above-mentioned similarly, this structure sets
Meter is also acted on pressure stable throttle valve valve with good positioning and guiding, makes pressure stable throttle valve valve sagging along voltage stabilizing location hole
Translation is dynamic crooked without occurring.Trial show that：It can also be greatly enhanced pressure stable throttle valve valve when pressure regulator is closed pair
The tight closure performance of preceding pressure signal source of the gas, also can effectively prevent that " pressure regulator still has a small amount of preceding pressurized air source sometimes in closed mode
It is premenstrual to press membrane cavity in signal pipe, voltage regulator controllers, homophony signal pipe, homophony bottom film chamber, damping micropore, homophony, press signal pipe afterwards
Let out flow to the downstream output supervisor " gas leakage accident.
The utility model compared with the existing technology has following substantive distinguishing features and progress：
The utility model has been initiated one kind fixed equipped integrated voltage regulator controllers of pressure maintaining valve composition on command valve and has been exchanged
Pressure main valve carry out voltage-regulation voltage-stabilization operation from pressure-loaded formula pressure regulator, it be commander's air chamber of command valve, pressure maintaining valve it is steady
Commander's throttling flap is equipped with plenum chamber respectively, pressure stable throttle valve valve is connected into carries out second throttle voltage stabilizing to pressure regulation signal source of the gas
With " the compound voltage-regulation voltage-stabilization structure " of dual closing, smoothly adjusted to the input smooth-going of homophony bottom film chamber again after second throttle voltage stabilizing
Pressure signal carries out voltage-regulation voltage-stabilization operation, you can realization automatically adjusts output pressure and is allowed to the goal of the invention for tending towards stability.It is also
Membrane cavity in connection homophony, the damping micropore of homophony bottom film chamber are set in homophony valve rod and form " slow to let out air passage structure ", can be substantially
Improve buckling ride comfort and stationarity that homophony bottom film chamber internal pressure-regulating gas is situated between, can greatly extenuate because of gas Jie's pressure transient amplitude mistake
The big impulsive force caused to homophony diaphragm, has good protective effect to homophony diaphragm；Particularly " homophony valve element upper end is pressurized
The structure design of inner via hole sectional area of the area more than primary valve ", it can be when pressure regulation main valve be closed by main valve inlet chamber
Pressure introduces in-core air cavity, you can using gas Jie pressure, voluntarily loading effect is imposed in the upper surface of homophony valve element to homophony valve element
One down force strengthens the closing sealing property of pressure regulation main valve, commander's throttling flap for being connected by docking air passage structure,
Pressure stable throttle valve valve also can simultaneously to it is preceding pressure signal source of the gas carry out dual closing, thoroughly prevent preceding pressurized air source it is premenstrual pressure signal pipe,
Pressure maintaining valve, command valve are again by membrane cavity, rear pressure signal pipe earial drainage in homophony signal pipe, homophony bottom film chamber, damping micropore, homophony under
Trip output is responsible for and triggers gas leakage accident, to ensuring the downstream gas technique effect with highly significant safely.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model, and also make an abstract accompanying drawing.
Fig. 2 is the structural representation of voltage regulator controllers of the present utility model（Amplify）, displaying pressure maintaining valve is by one group of connection spiral shell
Bolt is fixedly connected and is installed on the schematic diagram that command valve forms " closed docking air passage structure ".
Fig. 3 is the structural representation of the command valve of voltage regulator controllers（Amplify）.
Fig. 4 is the structural representation of the pressure maintaining valve of voltage regulator controllers（Amplify）.
Fig. 5 is A-A views of Fig. 3, is illustrated on middle valve body to connect and installs homophony signal pipe connection throttling outlet passageway
Structural representation.
Fig. 6 is I partial enlarged drawing of Fig. 1（Amplify）, it is illustrated in the body of rod of homophony valve rod and damping micropore formation company is set
The slow discouraged road structural representation of membrane cavity on logical homophony bottom film chamber and homophony.
Fig. 7 is II partial enlarged drawing of Fig. 3（Amplify）, the locating shaft slide fit of displaying commander's throttling flap is in commander's bolt
The structural representation of guide-localization is carried out in pilot hole.
Fig. 8 is III partial enlarged drawing of Fig. 4（Amplify）, show the voltage stabilizing axle slide fit of pressure stable throttle valve valve in voltage stabilizing bolt
The structural representation of guide-localization is carried out in voltage stabilizing location hole.
Fig. 9 is pressure regulation main valve closed mode schematic diagram of the present utility model（Amplify）, displaying homophony valve element upper end compression face
Product is more than the structural representation of primary valve inner via hole sectional area, and then displaying is imported the pressure of main valve inlet chamber by balancing air holes
In-core air cavity acts on homophony valve element upper surface to improve the fundamental diagram that pressure regulation main valve closes sealing property.
Description of symbols in accompanying drawing：
1 be single solid line arrow, 2 be homophony signal pipe, naughty membrane module based on 3,4 be main bonnet, 5 be homophony spring, 6 are
Membrane cavity in homophony, 7 is homophony bottom film chamber, and 8 is valve pocket, and 9 is Bifilar hollow arrow, and 10 is inlet piping flanges, and 11 is main valve air inlet
Chamber, 12 is main valve body, and 13 is primary valve, and 14 is trim ring base plate, and 15 is screw, and 16 is sealing ring, and 17 is restriction, and 18 is main valve
Outlet chamber, 19 is outlet pipe flange, and 20 is main valve housing, and 21 is homophony valve element, and 22 is balancing air holes, and 23 is in-core air cavity, and 24 are
Homophony valve rod, 25 is epithelium gasket ring, 26 be after push back flow tube, 27 are responsible for for output, 28 be after press signal pipe, 29 is preceding pressure signal
Pipe, 30 is commander's adjusting screw rod, and 31 is commander's regulation spring, and 32 is commander's rubber film component part, and 33 is commander's nut, and 34 is upper valve
Body, 35 is middle valve body, 36 be after press inlet channel, 37 is locating shaft, and 38 is commander's air chamber, and 39 is commander's inlet channel, and 40 are
Lower valve body, 41 is connecting bolt, and 42 is that voltage stabilizing adjusts air flue, and 43 is voltage stabilizing valve body, and 44 is voltage stabilizing axle, and 45 is voltage stabilizing epithelium group
Part, 46 is voltage stabilizing bonnet, and 47 is voltage stabilizing top cover, and 48 is voltage stabilizing adjusting screw rod, and 49 is commander's top cover, and 50 is commander's bottom film chamber, 51
Be base, 52 is throttling outlet chamber, 53 is commander's throttling spring, 54 be after press outlet passageway, 55 is commander's throttling flap, and 56 are
Commander's bolt, 57 is pressure spring plate, and 58 is membrane cavity in voltage stabilizing, 59 be after press introduction passage, 60 is pressure stable throttle valve valve, and 61 is voltage stabilizing
Air chamber, 62 is voltage stabilizing throttling spring, and 63 is voltage stabilizing bottom film chamber, and 64 is voltage stabilizing bolt, and 65 is that voltage stabilizing adjusts spring, and 66 is voltage stabilizing
Plate, 67 is throttling outlet passageway, and 68 is damping micropore, and 69 is pilot hole, and 70 is voltage stabilizing location hole, and 71 is upper end compression area,
72 is inner via hole sectional area, and KZ is voltage regulator controllers.
Specific embodiment
Embodiment of the present utility model is further described below in conjunction with the accompanying drawings：
The utility model proposes one kind from pressure-loaded formula pressure regulator, it is mainly by pressure regulation main valve, voltage regulator controllers KZ
With connected homophony signal pipe 2, preceding pressure signal pipe 29, rear pressure signal pipe 28, after push back flow tube 26 and constitute.The pressure regulation
Main valve is main by main valve body 12, the main valve lid 4 being installed on main valve body 12, epithelium gasket ring 25 and the main valve being fitted in valve pocket 8
Mouth 13, main valve housing 20, homophony valve element 21, homophony valve rod 24 are constituted, and homophony epithelium is equipped between epithelium gasket ring 25 and main valve lid 4
Component 3 is divided into membrane cavity 6 in homophony, homophony bottom film chamber 7, is fitted with the master of supporting homophony rubber film component part 3 in membrane cavity 6 in homophony
Spring 5 is adjusted, the described slide fit of homophony valve element 21 is set in the structure of in-core air cavity 23 is formed in main valve housing 20 in homophony valve element 21
There are the balancing air holes 22 of connection main valve inlet chamber 11 and in-core air cavity 23.It is fixedly connected by screw 15 in the bottom of homophony valve element 21
The embedding structure that trim ring base plate 14 constitutes built-in ring 16 is installed, scarf is press-fited in the bottom of homophony valve element 21 by trim ring base plate 14
The hard alloy that sets of sealing ring 16 and the upper surface of primary valve 13 formed and close sealing pair, being opened in pressure regulation main valve carries out pressure regulation
In voltage stabilizing operation process, trim ring base plate 14 can effectively stop that high velocity air directly washes away sealing ring 16, have very to sealing ring 16
Good protective effect and then extension effective seal operation life-span.When actual production is manufactured, the upper end of control homophony valve element 21 is received
The inner via hole sectional areas 72 that pressure surface product 71 is greater than primary valve 13, can also further optimal control homophony valve element 21 upper end compression
Area 71 is 1.10 times of the inner via hole sectional area 72 of primary valve 13, can be situated between using the gas imported in in-core air cavity 23 well
Voluntarily loading effect is in the upper surface of homophony valve element 21 and to impose closing of the down force to strengthen pressure regulation main valve close for pressure
Sealing property, the closing sealing property to further enhancing pressure regulation main valve has obvious technique effect.Described homophony valve rod 24
It is fixedly connected and is installed on homophony valve element 21, the top of homophony valve rod 24 is fixedly connected on homophony rubber film component part 3, in homophony valve rod
Membrane cavity 6, the damping micropore 68 of homophony bottom film chamber 7 in connection homophony are provided with the body of rod at 24 tops and form " steady slow discouraged road
Structure ".When actual production is manufactured, can further between import, the outlet two ends in the slow discouraged road of optimal control damping micropore 68
Pressure differential be 0.06MPa, it has pole to improving buckling ride comfort that the internal pressure-regulating signal gas of homophony bottom film chamber 7 is situated between and stationarity
Good technique effect, can gas is situated between in effectively gentle homophony bottom film chamber 7 pressure transient amplitude, hence it is evident that improve the pressure regulation essence of pressure regulator
Spend and to the voltage regulation performance of output pressure.Described voltage regulator controllers KZ is to be installed on command valve with being fixedly connected by command valve
Pressure maintaining valve is constituted.Described command valve is main by lower valve body 40, middle valve body 35, upper valve body 34, commander's regulation spring 31, commander's spiral shell
Cap 33, commander's top cover 49 and the commander's adjusting screw rod 30 being threadedly coupled with commander's nut 33 are constituted, in middle valve body 35 and upper valve body
Commander's rubber film component part 32 is equipped between 34 and constitutes commander's bottom film chamber 50, connection commander's lower film is provided with the wall body of middle valve body 35
The rear pressure inlet channel 36 in chamber 50, rear pressure outlet passageway 54, are connected and installed with commander's rubber film component part 32 by commander's bolt 56
Base 51, pilot hole 69 is provided with commander's bolt 56 bottom.Described commander's regulation spring 31 is supported on base 51 and stage clip
Between plate 57, the bottom top of adjusting screw rod 30 will be commanded to be affixed on pressure spring plate 57 and to constitute " commander's governor motion " above.In middle valve body
Commander's air chamber 38 and the throttling outlet chamber 52, the throttling outlet passageway 67 that are communicated with commander's air chamber 38 are additionally provided with 35 wall body,
Commander's throttling flap 55 is equipped with commander's air chamber 38 and is constituted with the commander's throttling spring 53 for being supported on commander's throttling flap 55 and " referred to
Wave throttle mechanism ", commander throttling flap 55 the slide fit of locating shaft 37 in commander bolt 56 pilot hole 69 in, this slide fit mode
Commander's throttling flap 55 is acted on good positioning and guiding, it will ensure that commander's throttling flap 55 is in the course of work that throttles
Can only be vertically moved about 69 along pilot hole crooked without occurring.It is provided with the wall body of lower valve body 40 and commander's phase of air chamber 38
Logical commander's inlet channel 39.Described pressure maintaining valve is main to be adjusted by voltage stabilizing valve body 43, voltage stabilizing bonnet 46, voltage stabilizing top cover 47, voltage stabilizing
Section spring 65 and the voltage stabilizing adjusting screw rod 48 that be threadedly coupled with voltage stabilizing bonnet 46 are constituted, voltage stabilizing valve body 43 and voltage stabilizing bonnet 46 it
Between be equipped with voltage stabilizing rubber film component part 45 and be divided into membrane cavity 58 in voltage stabilizing, voltage stabilizing bottom film chamber 63, the fixed peace on voltage stabilizing rubber film component part 45
Equipped with voltage stabilizing bolt 64, the bottom of voltage stabilizing bolt 64 is provided with voltage stabilizing location hole 70, the company of being provided with the wall body of voltage stabilizing bonnet 46
The rear pressure introduction passage 59 of membrane cavity 58 in logical voltage stabilizing, the voltage stabilizing regulation spring 65 is supported on voltage stabilizing rubber film component part 45 and voltage stabilization plate
Between 66, the bottom of voltage stabilizing adjusting screw rod 48 top is affixed on voltage stabilization plate 66 and constitutes " voltage stabilizing governor motion " above.In voltage stabilizing valve body 43
Wall body in be provided with voltage stabilizing regulation air flue 42, the voltage stabilizing air chamber 61 communicated with voltage stabilizing bottom film chamber 63, match somebody with somebody in the voltage stabilizing air chamber 61
Constituted " voltage stabilizing throttle mechanism " equipped with pressure stable throttle valve valve 60 and the voltage stabilizing throttling spring 62 for being supported on pressure stable throttle valve valve 60.Surely
In in the voltage stabilizing location hole 70 of voltage stabilizing bolt 64, this slide fit mode throttles the slide fit of voltage stabilizing axle 44 of pressure throttling flap 60 to voltage stabilizing
Flap 60 with good positioning and guiding act on, make pressure stable throttle valve valve 60 can only be vertically moved about 70 along voltage stabilizing location hole and
Crooked phenomenon will not occur.Described pressure maintaining valve is to be fixedly connected the lower valve body for being installed on command valve by one group of connecting bolt 41
40th, voltage regulator controllers KZ overall structures, rear pressure introduction passage 59, voltage stabilizing 42 points of the air flue of regulation of pressure maintaining valve are constituted on middle valve body 35
The rear pressure outlet passageway 54 of command valve, commander's inlet channel 39 is not butted up against to be formed " the docking air passage structure of closed connection ".
The utility model is to carry out installation operation as follows：
The inlet piping flanges 10 of main valve body 12, outlet pipe flange 19 are respectively fixedly connected with input supervisor, output first
Supervisor 27, as shown in Bifilar hollow arrow 9, you can constitute and downstream supplied to supervisor 27 is exported through pressure regulation main valve by input supervisor
" main air delivering pipeline passage ".The inlet end of preceding pressure signal pipe 29 is fixedly connected on main valve body 12 and the phase of main valve inlet chamber 11
Connection, then preceding pressure signal pipe 29 outlet side is connected and installed on voltage stabilizing valve body 43 is connected with voltage stabilizing air chamber 61；Homophony is believed
One end of number pipe 2 is fixedly connected on the middle valve body 35 for be installed on command valve and is connected with throttling outlet passageway 67, then homophony is believed
The other end of number pipe 2 is connected and installed on main valve body 12 and is connected with homophony bottom film chamber 7；One end that flow tube 26 is pushed back by after is fixed
Be connected and installed on main valve lid 4 and be connected with membrane cavity in homophony 6, after push back flow tube 26 the other end be connected to output supervisor 27,
Rear pressure signal pipe 28 is fixedly connected on into output supervisor 27 to be connected with main valve outlet chamber 18, presses the other end of signal pipe 28 to consolidate afterwards
Surely it is connected and installed on the middle valve body 35 of command valve and is connected with rear pressure inlet channel 36, as shown in single solid line arrow 1, you can structure
It is subject to input pressure fluctuation in main valve inlet chamber 11, output pressure fluctuation joint effect effect in main valve outlet chamber 18 simultaneously into meeting
" pressure regulation signal source of the gas passage ".
It is performed such voltage-regulation voltage-stabilization operation：
Gas transmission job management personnel basis first《Transmission ＆ distribution send civil gas management operational procedure》Carry out setting operation：Open commander
After top cover 49, voltage stabilizing top cover 47, precise manipulation commander adjusting screw rod 30, voltage stabilizing adjusting screw rod 48 are defeated in supervisor 27 by exporting
Go out air pressure and be adjusted to rated output pressure value.At this moment：The meeting film on homophony spring 5 and homophony of homophony rubber film component part 3 of pressure regulation main valve
Equilbrium position state, at the same time, homophony valve element 21 and main valve housing are in chamber 6, homophony bottom film chamber 7 under the collective effect of air pressure
20 aperture of restriction 17 is in the equilbrium position state of normal gas transmission operation；Commander's rubber film component part 32 of command valve, commander
Throttling flap 55 can adjust spring 31, command air pressure in throttling spring 53 and commander's bottom film chamber 50, commander's air chamber 38 in commander
Equilbrium position state is under collective effect；The voltage stabilizing rubber film component part 45 of pressure maintaining valve, pressure stable throttle valve valve 60 can be adjusted voltage stabilizing is referred to
Save the collective effect of air pressure in membrane cavity 58, voltage stabilizing bottom film chamber 63, voltage stabilizing air chamber 61 in spring 65, voltage stabilizing throttling spring 62 and voltage stabilizing
Equilbrium position state is in down.
When pressure regulation main valve lower end output pressure because downstream user destiny amount increase decline when, after push back flow tube 26, after
Film in the fluctuation signal difference feed back input homophony that pressure signal pipe 28 can decline output pressure after the valve in main valve outlet chamber 18
In the voltage stabilizing of commander's bottom film chamber 50 and pressure maintaining valve in chamber 6, command valve in membrane cavity 58, at this moment, the commander's rubber film component part in command valve
32 equilbrium position state is destroyed, and commander's rubber film component part 32 to bottom offset and can drive under the promotion of commander's regulation spring 31
Commander's throttling flap 55 moves down to increase the aperture of commander's throttling, you can by " the pressure regulation signal of increase " by commander's air chamber 38
By the outlet chamber 52 that throttles, throttling outlet passageway 67, the input homophony of homophony signal pipe 2 bottom film chamber 7 and loading effect in homophony skin
The lower surface of membrane module 3, is also what is declined, at this moment, " the pressure regulation signal of increase " due to importing the rear pressure signal in homophony in membrane cavity 6
Will promote and be moved on homophony rubber film component part 3 and drive homophony valve element 21 to move up by homophony valve rod 24, in homophony valve element 21
The aperture of the restriction 17 of main valve housing 20 can be increased during upper shifting, you can the output flow pressure of increase pressure regulation main valve is until make output
Pressure level-off simultaneously reaches the rated output pressure value of setting.Especially, it should be noted that：In input homophony bottom film chamber 7
" the pressure regulation signal of increase " is that the preceding pressure signal source of the gas in main valve inlet chamber 11 is imported into pressure maintaining valve through steady by preceding pressure signal pipe 29
Pressure 60 voltage stabilizings of throttling flap are throttled, enter back into what command valve was formed after commander's throttling 55 2 pressure regulation throttling services of flap
" pressure regulation signal ", furthermore, can also be subject to simultaneously in voltage stabilizing throttling, the overall process of secondary pressure regulation throttling service
After valve on feed back input commander's bottom film chamber 50, voltage stabilizing in membrane cavity 58 output pressure decline fluctuation signal joint effect effect and
" the pressure regulation signal of increase " for being formed.Although the pressure regulation signal in input homophony bottom film chamber 7 is " increase ", it is this
" the pressure regulation signal of increase " be by pressure stable throttle valve valve 60, the compound voltage-regulation voltage-stabilization structure that is connected into of commander's throttling flap 55 successively
By what is formed after voltage stabilizing throttling, secondary pressure regulation throttling, it carries out voltage-regulation voltage-stabilization operation in input homophony bottom film chamber 7
When but have splendid " buckling ride comfort and stationarity ".Trial show that：The utility model can greatly gentle pressure regulation signal
The pressure transient amplitude that gas is situated between, can effectively extenuate the impact failure power formed to homophony diaphragm, and it is to the diaphragm extension of protection homophony
The voltage-regulation voltage-stabilization service behaviour of working life and raising pressure regulator all has obviously technique effect.
When pressure regulation main valve lower end gas transmission line causes downstream pressure drastically to decline because of " pipe explosion accident ", by rear pressure signal
The air pressure that pipe 28 is imported in command valve and pressure maintaining valve also can rapid decrease, at this moment, commander's throttling spring 53, voltage stabilizing throttling spring 62
Commander's throttling flap 55, pressure stable throttle valve valve 60 can be promoted to press signal before moving up closing command valve and pressure maintaining valve fast shut-off
Source of the gas.At the same time, homophony rubber film component part 3 also can quickly be moved down and by homophony valve rod under the promotion of homophony spring 5
24 drive homophony valve elements 21 move down the restriction 17 of closing main valve housing 20, you can quick closedown pressure regulation main valve carries out safe guarantor
Shield.Particularly the utility model uses the optimization knot of " inner via hole sectional area of the homophony valve element upper end compression area more than primary valve "
Structure is designed, and when pressure regulation main valve is closed, it can be introduced in in-core air cavity 23 the gas Jie pressure in main valve inlet chamber 11, you can profit
With gas Jie pressure voluntarily loading effect imposed in the upper surface of homophony valve element 21 and to homophony valve element 21 down force come
Strengthen the closing sealing property of pressure regulation main valve.
Conversely, when pressure regulation main valve lower end output pressure because downstream user destiny amount reduce rise when, after push back stream
The fluctuation signal that pipe 26, rear pressure signal pipe 28 can rise output pressure after the valve in main valve outlet chamber 18 distinguishes feed back input master
On tune in the voltage stabilizing of commander's bottom film chamber 50 and pressure maintaining valve of membrane cavity 6, command valve in membrane cavity 58, with it is above-mentioned similarly：Commander's epithelium group
Part 32 can be moved up in the case where the air pressure in commander's bottom film chamber 50 is promoted, and at this moment, commander's throttling flap 55 can be in commander's throttling bullet
Spring 53 is moved upward to reduce the aperture of commander's throttling under promoting, you can " the pressure regulation signal of reduction " is passed through by commander's air chamber 38
Celebrate a festival in outflow air cavity 52, throttling outlet passageway 67, the input homophony of homophony signal pipe 2 bottom film chamber 7, due to importing membrane cavity in homophony
Rear pressure signal in 6 is also rising, the collective effect of the air pressure in membrane cavity 6 on homophony spring 5 and homophony of homophony rubber film component part 3
Quickly move down down come the aperture of the restriction 17 for reducing main valve housing 20, you can the output flow pressure for reducing pressure regulation main valve is straight
To making output pressure tend towards stability and reach the rated output pressure value of setting.
Claims (8)
1. from pressure-loaded formula pressure regulator, it includes pressure regulation main valve, voltage regulator controllers to one kind（KZ）, described pressure regulation main valve includes
Main valve body（12）, be installed on main valve body（12）On main valve lid（4）, epithelium gasket ring（25）Be fitted to valve pocket（8）Interior main valve
Mouthful（13）, main valve housing（20）, homophony valve element（21）, homophony valve rod（24）, in epithelium gasket ring（25）With main valve lid（4）Between be equipped with
Homophony rubber film component part（3）It is divided into membrane cavity in homophony（6）, homophony bottom film chamber（7）, the membrane cavity in homophony（6）Inside it is fitted with supporting
Homophony rubber film component part（3）Homophony spring（5）, described homophony valve element（21）Slide fit is in main valve housing（20）Interior formation in-core air cavity
（23）Structure, in homophony valve element（21）Inside it is provided with connection main valve inlet chamber（11）With in-core air cavity（23）Balancing air holes
（22）, the homophony valve rod（24）It is fixedly connected and is installed on homophony valve element（21）On, homophony valve rod（24）Top be fixedly connected
In homophony rubber film component part（3）, in main valve body（12）On be connected and installed with connection homophony bottom film chamber（7）Homophony signal pipe（2）,
Main valve lid（4）On be connected and installed with connection homophony on membrane cavity（6）After push back flow tube（26）, after push back flow tube（26）The other end
It is connected to output supervisor（27）, described voltage regulator controllers（KZ）It is made up of command valve and pressure maintaining valve, command valve includes lower valve body
（40）, middle valve body（35）, upper valve body（34）, commander regulation spring（31）, commander nut（33）And with commander nut（33）Screw thread
Commander's adjusting screw rod of connection（30）, in upper valve body（34）With middle valve body（35）Between be equipped with commander rubber film component part（32）Composition refers to
Wave bottom film chamber（50）, in middle valve body（35）Connection commander's bottom film chamber is provided with wall body（50）Rear pressure inlet channel（36）, after
Pressure outlet passageway（54）, in commander's rubber film component part（32）On by commander's bolt（56）It is connected and installed with base（51）, the commander
Regulation spring（31）It is supported on base（51）With pressure spring plate（57）Between, command adjusting screw rod（30）Bottom top be affixed on pressure spring plate
（57）On, in middle valve body（35）On be installed with connection after press inlet channel（36）Rear pressure signal pipe（28）, signal is pressed afterwards
Pipe（28）Inlet end be connected to output supervisor（27）, it is characterised in that：In middle valve body（35）Commander's air chamber is provided with wall body
（38）And with commander air chamber（38）The throttling outlet chamber for communicating（52）, throttling outlet passageway（67）, in commander's air chamber（38）Inside match somebody with somebody
Equipped with commander's throttling flap（55）Throttling flap is commanded with being supported on（55）Commander throttling spring（53）, in lower valve body（40）Wall
It is provided with vivo and commander's air chamber（38）Commander's inlet channel of connection（39）, the homophony signal pipe（2）Inlet end fix
It is connected and installed in middle valve body（35）With throttling outlet passageway（67）It is connected, described pressure maintaining valve includes voltage stabilizing valve body（43）, it is steady
Pressure valve lid（46）, voltage stabilizing regulation spring（65）And with voltage stabilizing bonnet（46）The voltage stabilizing adjusting screw rod of threaded connection（48）, in voltage stabilizing
Valve body（43）With voltage stabilizing bonnet（46）Between be equipped with voltage stabilizing rubber film component part（45）It is divided into membrane cavity in voltage stabilizing（58）, voltage stabilizing bottom film chamber
（63）, in voltage stabilizing bonnet（46）Membrane cavity in connection voltage stabilizing is provided with wall body（58）Rear pressure introduction passage（59）, described is steady
Pressure regulation spring（65）It is supported on voltage stabilizing rubber film component part（45）With voltage stabilization plate（66）Between, voltage stabilizing adjusting screw rod（48）Bottom top
It is affixed on voltage stabilization plate（66）On, in voltage stabilizing valve body（43）It is provided with wall body and voltage stabilizing bottom film chamber（63）The voltage stabilizing regulation air flue for communicating
（42）, voltage stabilizing air chamber（61）, in voltage stabilizing air chamber（61）Inside it is fitted with pressure stable throttle valve valve（60）Be supported on pressure stable throttle valve valve
（60）Voltage stabilizing throttling spring（62）, described pressure maintaining valve is by connecting bolt（41）It is fixedly connected the lower valve body for being installed on command valve
（40）, middle valve body（35）, the rear pressure introduction passage of pressure maintaining valve（59）, voltage stabilizing regulation air flue（42）After butting up against command valve respectively
Pressure outlet passageway（54）, commander inlet channel（39）Formed " the docking air passage structure of closed connection ", in voltage stabilizing valve body（43）On
It is fixedly connected and is provided with and voltage stabilizing air chamber（61）The preceding pressure signal pipe for communicating（29）, preceding pressure signal pipe（29）Inlet end be connected to
Main valve inlet chamber（11）.
2. according to claim 1 from pressure-loaded formula pressure regulator, it is characterised in that：In homophony valve rod（24）The body of rod in
It is provided with membrane cavity in connection homophony（6）, homophony bottom film chamber（7）Damping micropore（68）Formed to delay and let out air passage structure.
3. according to claim 2 from pressure-loaded formula pressure regulator, it is characterised in that：Control damping micropore（68）It is slow to lose heart
Pressure differential between import, the outlet two ends in road is 0.05MPa -0.10MPa.
4. according to claim 1 and 2 from pressure-loaded formula pressure regulator, it is characterised in that：In homophony valve element（21）Bottom
End is by screw（15）It is fixedly connected installation trim ring base plate（14）Constitute built-in ring（16）Embedding structure.
5. according to claim 1 and 2 from pressure-loaded formula pressure regulator, it is characterised in that：Homophony valve element（21）Upper end
Compression area（71）More than primary valve（13）Inner via hole sectional area（72）.
6. according to claim 5 from pressure-loaded formula pressure regulator, it is characterised in that：Control homophony valve element（21）Upper end
Compression area（71）It is primary valve（13）Inner via hole sectional area（72）1.05-1.15 times.
7. according to claim 1 and 2 from pressure-loaded formula pressure regulator, it is characterised in that：In commander's bolt of command valve
（56）Bottom be provided with pilot hole（69）, commander's throttling flap（55）Locating shaft（37）Slide fit is in commander's bolt（56）Lead
Xiang Kong（69）It is interior.
8. according to claim 1 and 2 from pressure-loaded formula pressure regulator, it is characterised in that：In the voltage stabilizing epithelium of pressure maintaining valve
Component（45）On be installed with voltage stabilizing bolt（64）, in voltage stabilizing bolt（64）Bottom be provided with voltage stabilizing location hole（70）, surely
Pressure throttling flap（60）Voltage stabilizing axle（44）Slide fit is in voltage stabilizing bolt（64）Voltage stabilizing location hole（70）It is interior.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621159315.1U CN206246766U (en) | 2016-11-01 | 2016-11-01 | From pressure-loaded formula pressure regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621159315.1U CN206246766U (en) | 2016-11-01 | 2016-11-01 | From pressure-loaded formula pressure regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206246766U true CN206246766U (en) | 2017-06-13 |
Family
ID=58996219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621159315.1U Withdrawn - After Issue CN206246766U (en) | 2016-11-01 | 2016-11-01 | From pressure-loaded formula pressure regulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206246766U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106286927B (en) * | 2016-11-01 | 2018-08-03 | 四川长仪油气集输设备股份有限公司 | From pressure-loaded formula pressure regulator |
| CN109340446A (en) * | 2018-11-26 | 2019-02-15 | 乐山川天燃气输配设备有限公司 | A kind of indirect-action type pressure regulator |
-
2016
- 2016-11-01 CN CN201621159315.1U patent/CN206246766U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106286927B (en) * | 2016-11-01 | 2018-08-03 | 四川长仪油气集输设备股份有限公司 | From pressure-loaded formula pressure regulator |
| CN109340446A (en) * | 2018-11-26 | 2019-02-15 | 乐山川天燃气输配设备有限公司 | A kind of indirect-action type pressure regulator |
| CN109340446B (en) * | 2018-11-26 | 2023-12-22 | 乐山川天燃气输配设备有限公司 | Indirect acting voltage regulator |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20170613 Effective date of abandoning: 20180803 |
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| AV01 | Patent right actively abandoned |