CN207648157U - From cleaning multi-level throttle high temperature blowdown valve - Google Patents
From cleaning multi-level throttle high temperature blowdown valve Download PDFInfo
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- CN207648157U CN207648157U CN201721522304.XU CN201721522304U CN207648157U CN 207648157 U CN207648157 U CN 207648157U CN 201721522304 U CN201721522304 U CN 201721522304U CN 207648157 U CN207648157 U CN 207648157U
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Abstract
The utility model discloses a kind of from cleaning multi-level throttle high temperature blowdown valve, it is related to gas voltage regulation of voltage regulation technical field, including main valve body, main valve lid is installed on main valve body, main valve, which covers, is provided with spool regulating device, it is fitted with primary valve in the valve chamber of main valve body, valve core housing, homophony spool, homophony valve rod, homophony spool bottom is provided with the Disc holder of concave inward structure, the labyrinth axis of the corresponding blowdown valve seat through-hole is additionally provided among Disc holder, the size of the Disc holder just corresponds to the opening of the blowdown valve seat, it is this to use recoil structure design from cleaning multi-level throttle high temperature blowdown valve, realize multi-level throttle, be conducive to decompose impact force while convenient for excluding dregs and lime set.
Description
Technical field
The utility model is related to gas voltage regulation of voltage regulation technical fields, more particularly to from cleaning multi-level throttle high temperature blowdown valve.
Background technology
Natural gas field, well site container and pipeline generate condensation, sedimentation ponding and impurity, influence the gas-liquid separation effect of container
The normal operation of the transfer efficiency and other equipment of fruit and pipeline, it is necessary to these liquid and impurity are discharged in time, meanwhile, yard
Institute's equipment requires fire proof construction, for this purpose, valve will also have the requirement of resistance to certain high temperature；The general pressure of natural gas station is all super
Cross 10MPa, pressure is high, and water is few, and valve cannot be opened very big when blowdown, prevent natural gas from escaping, under this operating mode, valve is small
When aperture, air water medium, silt etc. are big to washing away for valve, seriously affect the service life of blowdown valve.
In the prior art, the applicant in preceding application, Publication No. CN206093010U, the time of disclosure is 2017 4
The moon 12, the Chinese utility model patent document of entitled " high pressure hand-operated steam injection valve " discloses a kind of high pressure hand-operated steaming
Vapour injection valve, it is structurally characterized in that：It is in the stream gradually widened from bottom to up that one group is arranged on valve cylinder in equal percentage curve
Measure adjustment hole, it is ensured that can realize that " percentage of changes in flow rate is equal and with identical on each position point for adjusting stroke
Degree of regulation ", can meet well " variable quantity that adjusts steam flow in small flow is small, big flow when adjust steam
The variable quantity of flow is big " the Technology of Heavy Oil Recovery requirement, have good flow-adjusting characteristics.It is arranged in spool bottom end buffers
Throttle sphere structure, can shunt steam around and extenuate souring to valve chamber internal component.The utility model has structure
It is simple and direct, manufacturing cost is low, degree of regulation is high, stability is good, it is stable, steady to thick oil well heat supply to adjust input steam flow
Outstanding advantages fixed, safe and reliable to operation, with long service life have splendid application prospect in thick oil mining operation.But
It is that the reducing pressure by regulating flow of this technical solution is all directly born by spool and its regulating mechanism, and spool is not provided with and is used for
The structure of recoil, impurity are liable to stick to spool bottom.
Invention content
The purpose of this utility model is to provide one kind using recoil structure design, realizes multi-level throttle, is conducive to point
Solution impact force is simultaneously convenient for the cleaning multi-level throttle high temperature blowdown valve certainly of exclusion dregs and lime set.
The purpose of this utility model is achieved through the following technical solutions：
From cleaning multi-level throttle high temperature blowdown valve, it is characterised in that：Including main valve body, main valve lid is installed on main valve body,
Main valve, which covers, is provided with spool regulating device, and primary valve, valve core housing, homophony spool, homophony valve are fitted in the valve chamber of main valve body
Bar, in forming in-core air cavity structure in main valve core retainer plate, the homophony valve rod is fixedly connected to be installed on the homophony spool slide fit
On homophony spool, the top of homophony valve rod is fixedly connected with the spool regulating device across the main valve lid, at the primary valve
It is in bowl-shape, the intermediate blowdown valve seat for being provided with through-hole to be additionally provided with whole, and homophony spool bottom is provided with the anti-of concave inward structure
Punch plate, the labyrinth axis of the corresponding blowdown valve seat through-hole is additionally provided among Disc holder, and the size of the Disc holder is just corresponding
The opening of the blowdown valve seat, and when homophony spool completely closes, homophony spool bottom surface and Disc holder side wall and blowdown valve
Recoil space is formed between seat top surface, the labyrinth axis blocks the through-hole of blowdown valve seat, and shape between Disc holder and blowdown valve seat
At a deslagging chamber.
Homophony spool bottom surface and blowdown valve seat top surface are both provided with resistance to erosion carbide ring, and homophony spool and row
Resistance to erosion hard alloy ring position on dirty valve seat is staggered.
The spool regulating device includes being mounted on the rotaring wheel structure that main valve covers, the rotating bar of rotaring wheel structure by holder
Bottom is connected with the top of homophony valve rod, and rotation handwheel is provided at the top of rotating bar.
Further include filler ring structure between the main valve lid and homophony valve rod, the filler ring structure includes underfilling
Ring, middle filler ring and upper layer packing ring, the underfilling ring, middle filler ring and upper layer packing ring are pressed by packing press ring
In in the valve deck top packing cavity of main valve lid, the inner wall of underfilling ring is provided with note and fills out the depot fat ring cavity of seal grease to master
It adjusts the upper valve bar of valve rod to form built-in fat sealing lubrication structure, interior sealing slot is set in the inner wall bottom of underfilling ring,
External seal slot is arranged in the outer wall of underfilling ring, be embedded in interior seal groove, external seal slot " O " shape sealing ring to top valve rod and
Inside and outside alternately multi-sealing structure is formed at valve deck top.
The ring body section of middle filler ring is inverted " v " structure, the upper surface of underfilling ring, the lower end of upper layer packing ring
Face is arranged to " V " shape structure compatible with middle filler ring.
One group of middle filler ring be by stacked system be fitted between underfilling ring and upper layer packing ring form one it is close
Unit is sealed, is equipped with underfilling ring successively by stacked system in valve upper part of the cover packing cavity, one group of middle filler ring, upper layer are filled out
Expect that the quantity of " sealing unit " of ring composition is 2-3.
The sealing unit is to be fitted to bottom by a underfilling ring, a upper layer packing ring and by stacked system
2-5 middle filler rings composition between packing ring, upper layer packing ring.
The main valve body, main valve lid, valve core housing and blowdown valve seat are all made of heat safe sealing material and are made.
The beneficial effects of the utility model are as follows：
One, provided by the utility model from multi-level throttle high temperature blowdown valve is cleaned, the labyrinth axis is logical with blowdown valve seat
Primary throttling is formed between hole, second throttle is formed between blowdown valve seat and Disc holder, valve core housing is with the upper opening with valve chamber
To throttle three times, the structure of this multi-level throttle, when valve blowdown, water and impurity pass through the labyrinth axis and two of level-one reducing pressure by regulating flow
The Disc holder of grade throttling；Window discharge is finally adjusted by the valve core housing of three-level throttling, by three-level reducing pressure by regulating flow, flows through valve
Velocity of medium substantially reduces, and considerably reduces and is washed away to valve；In addition, the sealing surface in spool is sealed with valve seat male-tapered
Face is not involved in reducing pressure by regulating flow effect when entire valve blowdown, and reducing pressure by regulating flow is all by labyrinth axis, Disc holder, valve core housing adjusting window
Mouthpiece is carried on a shoulder pole, and sealing surface is not washed away substantially, and life of valve is greatly improved；Meanwhile the spool of lower end band recoil dish structure
Use an inner conical structure；This inner conical structure together forms a recoil structure with spool lower end concave surface and sleeve gasket,
Blowdown valve comes into sleeve gasket in corresponding runner hole in the later stage of closing, labyrinth axis, at this moment, the impurity of bulky grain without
Method flows into valve chamber by valve seat, and medium can only be flowed out from labyrinth axis, the matched hole of sleeve gasket, flow directly into spool lower end
Recoil dish structure, since flow direction is obstructed, forms vortex immediately and is flowed out from the inside and outside conical surface of spool, valve seat to sealing cone
It is purged, when valve being made to close, sealing surface cannot adhere to any impurity, to ensure reliable sealing.
Two, provided by the utility model from multi-level throttle high temperature blowdown valve is cleaned, adjust cloth straggly on spool and blowdown valve seat
The resistance to erosion carbide ring set can make recoil space form one to be similar to back taper, and reinforcing while, which also helps, causes
Air-flow vortex improves the effect of deslagging；Rotaring wheel structure drives, and effect simple in structure is direct, easy realization at low cost.
Three, provided by the utility model from multi-level throttle high temperature blowdown valve is cleaned, it has initiated to fold successively in packing cavity and match
Underfilling ring, middle filler ring, the upper layer packing ring of one group of " V " shape structure form " multigroup sealing unit ", in underfilling
Wall surface is embedded in " O " shape sealing ring and forms " alternately multiple " sealing structure to valve rod and valve deck top inside and outside ring, meanwhile, in bottom
Packing ring inner wall also sets up the depot fat ring cavity with larger trapped fuel space and forms " built-in fat " sealing lubrication structure, it thoroughly throws
The traditional structural design that existing valve class product is equipped with pump nozzle outside valve body has been abandoned, only need to disposably fill Seal Oil in manufacture
Fat can ensure that valve class product has good " built-in fat " sealing lubrication effect in using overall process, effectively optimize valve
The production technology process of class product reduces manufacturing cost in turn, meanwhile, it is fixed to be also eliminated during valve class product runs use
When fill seal grease tedious operations；Show by probation：The utility model proposes stuffing box structure really have it is high
Pressure bearing and seal performance and operating flexibility energy, it can be such that valve pacifies steadily in the long term under 70Mpa high pressure level gas Jie's operating modes
Row operation for the national games, with structure is simple and direct, bearing capacity is high, sealing performance is strong, No leakage safe and reliable to operation and service life are long
Outstanding advantages, especially suitable for being assembled and used in High Pressure Gas Transmitting Pipeline.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of preferred embodiment of the utility model；
Fig. 2 is the schematic diagram that a kind of preferred embodiment homophony spool of the utility model is opened；
Fig. 3 is a kind of close-up schematic view of preferred embodiment I of the utility model；
In figure：
1, main valve body；2, main valve lid；3, valve chamber；4, primary valve；5, valve core housing；6, homophony spool；7, homophony valve rod；8, core
Interior air cavity structure；9, blowdown valve seat；10, Disc holder；11, labyrinth axis；12, recoil space；13, deslagging chamber；14, holder；15, it fills out
Expect pressure ring；16, top valve rod；17, valve deck top；18, seal grease；19, " O " shape sealing ring；20, underfilling ring；21, on
Layer packing ring；22, middle filler ring.
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
If Fig. 1 to 3 is equipped with main valve lid 2 from multi-level throttle high temperature blowdown valve, including main valve body 1 is cleaned on main valve body 1,
Spool regulating device is provided on main valve lid 2, be fitted in the valve chamber 3 of main valve body 1 primary valve 4, valve core housing 5, homophony spool 6,
Homophony valve rod 7, the homophony spool slide 6 assigned in in-core air cavity structure 8 is formed in valve core housing 5, and the homophony valve rod 7, which is fixed, to be connected
It connects and is installed on homophony spool 6, the top of homophony valve rod 7 is fixedly connected with the spool regulating device, institute across the main valve lid 2
It is in bowl-shape, the intermediate blowdown valve seat 9 for being provided with through-hole to state and be additionally provided with entirety at primary valve 4, and 6 bottom of homophony spool is provided with
The Disc holder 10 of concave inward structure is additionally provided with the labyrinth axis 11 of corresponding 9 through-hole of blowdown valve seat among Disc holder 10, described anti-
The size of punch plate 10 just corresponds to the opening of the blowdown valve seat 9, and when homophony spool 6 completely closes, 6 bottom surface of homophony spool
Recoil space 12 is formed between 9 top surface of 10 side wall of Disc holder and blowdown valve seat, the labyrinth axis 11 blocks blowdown valve seat 9
Through-hole, and a deslagging chamber 13 is formed between Disc holder 10 and blowdown valve seat 9.
This is a kind of most basic embodiment of the utility model.It is formed between the labyrinth axis and the through-hole of blowdown valve seat
Primary throttling, forms second throttle between blowdown valve seat and Disc holder, valve core housing as throttles three times with the upper opening with valve chamber,
The structure of this multi-level throttle, when valve blowdown, water and impurity by level-one reducing pressure by regulating flow labyrinth axis and two-step throttle it is anti-
Punch plate；Window discharge is finally adjusted by the valve core housing of three-level throttling, by three-level reducing pressure by regulating flow, the velocity of medium for flowing through valve is big
It is big to reduce, it considerably reduces and valve is washed away；In addition, the sealing surface in spool be not involved in valve seat male-tapered sealing surface it is whole
Reducing pressure by regulating flow effect when a valve blowdown, reducing pressure by regulating flow is all carried on a shoulder pole by labyrinth axis, Disc holder, valve core housing adjusting window mouthpiece, close
Cover is not washed away substantially, and life of valve is greatly improved；Meanwhile the spool of lower end band recoil dish structure uses one
Inner conical structure；This inner conical structure together forms a recoil structure with spool lower end concave surface and sleeve gasket, and blowdown valve is closing
The later stage closed, labyrinth axis come into sleeve gasket in corresponding runner hole, and at this moment, the impurity of bulky grain can not pass through valve seat
Valve chamber is flowed into, medium can only be flowed out from labyrinth axis, the matched hole of sleeve gasket, flow directly into the Disc holder knot of spool lower end
Structure forms vortex and is purged from the outflow of the inside and outside conical surface of spool, valve seat to sealing cone immediately since flow direction is obstructed,
When valve being made to close, sealing surface cannot adhere to any impurity, to ensure reliable sealing.
Embodiment 2
If Fig. 1 to 3 is equipped with main valve lid 2 from multi-level throttle high temperature blowdown valve, including main valve body 1 is cleaned on main valve body 1,
Spool regulating device is provided on main valve lid 2, be fitted in the valve chamber 3 of main valve body 1 primary valve 4, valve core housing 5, homophony spool 6,
Homophony valve rod 7, the homophony spool slide 6 assigned in in-core air cavity structure 8 is formed in valve core housing 5, and the homophony valve rod 7, which is fixed, to be connected
It connects and is installed on homophony spool 6, the top of homophony valve rod 7 is fixedly connected with the spool regulating device, institute across the main valve lid 2
It is in bowl-shape, the intermediate blowdown valve seat 9 for being provided with through-hole to state and be additionally provided with entirety at primary valve 4, and 6 bottom of homophony spool is provided with
The Disc holder 10 of concave inward structure is additionally provided with the labyrinth axis 11 of corresponding 9 through-hole of blowdown valve seat among Disc holder 10, described anti-
The size of punch plate 10 just corresponds to the opening of the blowdown valve seat 9, and when homophony spool 6 completely closes, 6 bottom surface of homophony spool
Recoil space 12 is formed between 9 top surface of 10 side wall of Disc holder and blowdown valve seat, the labyrinth axis 11 blocks blowdown valve seat 9
Through-hole, and a deslagging chamber 13 is formed between Disc holder 10 and blowdown valve seat 9；6 bottom surface of homophony spool and blowdown valve seat 9 push up
Face is both provided with resistance to erosion carbide ring, and the resistance to erosion hard alloy ring position on 6 bottom surface of homophony spool and blowdown valve seat 9
It is staggered；The spool regulating device includes the rotaring wheel structure being mounted on by holder 14 on main valve lid 2, the rotating bar of rotaring wheel structure
Bottom is connected with the top of homophony valve rod 7, and rotation handwheel is provided at the top of rotating bar.
This is a kind of preferred embodiment of the utility model.One is formed between the labyrinth axis and the through-hole of blowdown valve seat
Secondary throttling forms second throttle between blowdown valve seat and Disc holder, valve core housing as throttles three times with the upper opening with valve chamber, this
The structure of kind of multi-level throttle, when valve blowdown, the recoil of the labyrinth axis and two-step throttle of water and impurity Jing Guo level-one reducing pressure by regulating flow
Disk；Window discharge is finally adjusted by the valve core housing of three-level throttling, by three-level reducing pressure by regulating flow, flows through the velocity of medium of valve significantly
It reduces, considerably reduces and valve is washed away；In addition, the sealing surface in spool is not involved in entirely with valve seat male-tapered sealing surface
Reducing pressure by regulating flow effect when valve blowdown, reducing pressure by regulating flow are all carried on a shoulder pole by labyrinth axis, Disc holder, valve core housing adjusting window mouthpiece, sealing
Face is not washed away substantially, and life of valve is greatly improved；Meanwhile the spool of lower end band recoil dish structure uses in one
Pyramidal structure；This inner conical structure together forms a recoil structure with spool lower end concave surface and sleeve gasket, and blowdown valve is being closed
Later stage, labyrinth axis comes into sleeve gasket in corresponding runner hole, and at this moment, the impurity of bulky grain can not pass through valve seat stream
Entering valve chamber, medium can only be flowed out from labyrinth axis, the matched hole of sleeve gasket, flow directly into the recoil dish structure of spool lower end,
Since flow direction is obstructed, vortex is formed immediately, sealing cone is purged from the outflow of the inside and outside conical surface of spool, valve seat, made
When valve is closed, sealing surface cannot adhere to any impurity, to ensure reliable sealing；Adjust cloth straggly on spool and blowdown valve seat
The resistance to erosion carbide ring set can make recoil space form one to be similar to back taper, and reinforcing while, which also helps, causes
Air-flow vortex improves the effect of deslagging；Rotaring wheel structure drives, and effect simple in structure is direct, easy realization at low cost.
Embodiment 3
If Fig. 1 to 3 is equipped with main valve lid 2 from multi-level throttle high temperature blowdown valve, including main valve body 1 is cleaned on main valve body 1,
Spool regulating device is provided on main valve lid 2, be fitted in the valve chamber 3 of main valve body 1 primary valve 4, valve core housing 5, homophony spool 6,
Homophony valve rod 7, the homophony spool slide 6 assigned in in-core air cavity structure 8 is formed in valve core housing 5, and the homophony valve rod 7, which is fixed, to be connected
It connects and is installed on homophony spool 6, the top of homophony valve rod 7 is fixedly connected with the spool regulating device, institute across the main valve lid 2
It is in bowl-shape, the intermediate blowdown valve seat 9 for being provided with through-hole to state and be additionally provided with entirety at primary valve 4, and 6 bottom of homophony spool is provided with
The Disc holder 10 of concave inward structure is additionally provided with the labyrinth axis 11 of corresponding 9 through-hole of blowdown valve seat among Disc holder 10, described anti-
The size of punch plate 10 just corresponds to the opening of the blowdown valve seat 9, and when homophony spool 6 completely closes, 6 bottom surface of homophony spool
Recoil space 12 is formed between 9 top surface of 10 side wall of Disc holder and blowdown valve seat, the labyrinth axis 11 blocks blowdown valve seat 9
Through-hole, and a deslagging chamber 13 is formed between Disc holder 10 and blowdown valve seat 9；6 bottom surface of homophony spool and blowdown valve seat 9 push up
Face is both provided with resistance to erosion carbide ring, and the resistance to erosion hard alloy ring position on 6 bottom surface of homophony spool and blowdown valve seat 9
It is staggered；The spool regulating device includes the rotaring wheel structure being mounted on by holder 14 on main valve lid 2, the rotating bar of rotaring wheel structure
Bottom is connected with the top of homophony valve rod 7, and rotation handwheel is provided at the top of rotating bar；The main valve lid 2 and homophony valve rod 7 it
Between further include filler ring structure, the filler ring structure includes underfilling ring 20, middle filler ring 22 and upper layer packing ring 21,
The underfilling ring 20, middle filler ring 22 and upper layer packing ring 21 are pressed by packing press ring 15 on the valve deck of main valve lid 2
In 17 packing cavity of portion, the inner wall of underfilling ring 20 is provided with note and fills out the depot fat ring cavity of seal grease 18 to homophony valve rod 7
Top valve rod 16 forms built-in fat sealing lubrication structure, interior sealing slot is arranged in the inner wall bottom of underfilling ring 20, in bottom
External seal slot is arranged in the outer wall of packing ring 20, and " O " shape sealing ring 19 is embedded in interior seal groove, external seal slot to top valve rod 16
Inside and outside alternately multi-sealing structure is formed with valve deck top 17；The ring body section of middle filler ring 22 is inverted " v " structure, bottom
The upper surface of packing ring 20, the lower face of upper layer packing ring 21 are arranged to " V " shape structure compatible with middle filler ring；One group
Middle filler ring 22 is to be fitted to one sealing unit of composition between underfilling ring 20 and upper layer packing ring 21 by stacked system,
Underfilling ring 20, one groups of middle filler rings 22, upper layers are equipped with successively in the packing cavity on valve deck top 17 by stacked system to fill out
Expect that the quantity for the sealing unit that ring 21 forms is 2-3；The sealing unit is by 20, upper layers of a underfilling ring
Packing ring 21 and 22 groups of 2-5 middle filler ring being fitted to by stacked system between underfilling ring 20, upper layer packing ring 21
At；The main valve body 1, main valve lid 2, valve core housing 5 and blowdown valve seat 9 are all made of heat safe sealing material and are made.
This is a kind of preferred embodiment of the utility model.One is formed between the labyrinth axis and the through-hole of blowdown valve seat
Secondary throttling forms second throttle between blowdown valve seat and Disc holder, valve core housing as throttles three times with the upper opening with valve chamber, this
The structure of kind of multi-level throttle, when valve blowdown, the recoil of the labyrinth axis and two-step throttle of water and impurity Jing Guo level-one reducing pressure by regulating flow
Disk；Window discharge is finally adjusted by the valve core housing of three-level throttling, by three-level reducing pressure by regulating flow, flows through the velocity of medium of valve significantly
It reduces, considerably reduces and valve is washed away；In addition, the sealing surface in spool is not involved in entirely with valve seat male-tapered sealing surface
Reducing pressure by regulating flow effect when valve blowdown, reducing pressure by regulating flow are all carried on a shoulder pole by labyrinth axis, Disc holder, valve core housing adjusting window mouthpiece, sealing
Face is not washed away substantially, and life of valve is greatly improved；Meanwhile the spool of lower end band recoil dish structure uses in one
Pyramidal structure；This inner conical structure together forms a recoil structure with spool lower end concave surface and sleeve gasket, and blowdown valve is being closed
Later stage, labyrinth axis comes into sleeve gasket in corresponding runner hole, and at this moment, the impurity of bulky grain can not pass through valve seat stream
Entering valve chamber, medium can only be flowed out from labyrinth axis, the matched hole of sleeve gasket, flow directly into the recoil dish structure of spool lower end,
Since flow direction is obstructed, vortex is formed immediately, sealing cone is purged from the outflow of the inside and outside conical surface of spool, valve seat, made
When valve is closed, sealing surface cannot adhere to any impurity, to ensure reliable sealing；Adjust cloth straggly on spool and blowdown valve seat
The resistance to erosion carbide ring set can make recoil space form one to be similar to back taper, and reinforcing while, which also helps, causes
Air-flow vortex improves the effect of deslagging；Rotaring wheel structure drives, and effect simple in structure is direct, easy realization at low cost；It has initiated and has filled out
Expect that intracavitary folds underfilling ring, middle filler ring, upper layer packing ring with one group of " V " shape structure and forms " multigroup sealing list successively
Member ", wall surface is embedded in " O " shape sealing ring and is tied to valve rod and the formation of valve deck top " alternately multiple " sealing inside and outside underfilling ring
Structure, meanwhile, it also sets up the depot fat ring cavity with larger trapped fuel space in underfilling ring inner wall and forms " built-in fat " sealing lubrication
Structure, it has casted off the traditional structural design that existing valve class product is equipped with pump nozzle outside valve body once and for all, only need to be in manufacture one
Secondary property fills seal grease and can ensure that valve class product in using overall process there is good " built-in fat " sealing lubrication to imitate
Fruit effectively optimizes the production technology process of valve class product and then reduces manufacturing cost, meanwhile, it was used in the operation of valve class product
The tedious operations that timing fills seal grease are also eliminated in journey；Show by probation：The utility model proposes stuffing-box knot
Structure has high pressure bearing and seal performance and operating flexibility energy really, it can make valve in 70Mpa high pressure level gas Jie's operating modes
Under safe operation operation steadily in the long term, have structure is simple and direct, bearing capacity is high, sealing performance is strong, nothing safe and reliable to operation is let out
Leakage and outstanding advantages with long service life, especially suitable for being assembled and used in High Pressure Gas Transmitting Pipeline.
Claims (8)
1. from multi-level throttle high temperature blowdown valve is cleaned, it is characterised in that：Including main valve body（1）, main valve body（1）On main valve is installed
Lid（2）, main valve lid（2）On be provided with spool regulating device, main valve body（1）Valve chamber（3）Inside it is fitted with primary valve（4）, spool
Set（5）, homophony spool（6）, homophony valve rod（7）, the homophony spool slides（6）Assigned in valve core housing（5）Interior formation in-core air cavity
Structure（8）, the homophony valve rod（7）It is fixedly connected and is installed on homophony spool（6）On, homophony valve rod（7）Top pass through it is described
Main valve lid（2）It is fixedly connected with the spool regulating device, the primary valve（4）It is in bowl-shape, intermediate be provided with that place, which is additionally provided with whole,
The blowdown valve seat of through-hole（9）, the homophony spool（6）Bottom is provided with the Disc holder of concave inward structure（10）, Disc holder（10）In
Between be additionally provided with the corresponding blowdown valve seat（9）The labyrinth axis of through-hole（11）, the Disc holder（10）Size just correspond to institute
State blowdown valve seat（9）Opening, and work as homophony spool（6）When completely closing, homophony spool（6）Bottom surface and Disc holder（10）Side wall
And blowdown valve seat（9）Recoil space is formed between top surface（12）, the labyrinth axis（11）Block blowdown valve seat（9）Through-hole,
And Disc holder（10）With blowdown valve seat（9）Between formed a deslagging chamber（13）.
2. as described in claim 1 from cleaning multi-level throttle high temperature blowdown valve, it is characterised in that：The homophony spool（6）Bottom
Face and blowdown valve seat（9）Top surface is both provided with resistance to erosion carbide ring, and homophony spool（6）Bottom surface and blowdown valve seat（9）On
Resistance to erosion hard alloy ring position be staggered.
3. as described in claim 1 from cleaning multi-level throttle high temperature blowdown valve, it is characterised in that：The spool regulating device packet
It includes and passes through holder（14）Mounted on main valve lid（2）On rotaring wheel structure, the rotating bar bottom of rotaring wheel structure and homophony valve rod（7）'s
Top is connected, and rotation handwheel is provided at the top of rotating bar.
4. as described in claim 1 from cleaning multi-level throttle high temperature blowdown valve, it is characterised in that：The main valve lid（2）With master
Adjust valve rod（7）Between further include filler ring structure, the filler ring structure includes underfilling ring（20）, middle filler ring（22）
With upper layer packing ring（21）, the underfilling ring（20）, middle filler ring（22）With upper layer packing ring（21）By packing press ring
（15）It is pressed in main valve lid（2）Valve deck top（17）In packing cavity, in underfilling ring（20）Inner wall be provided with note packing
Oil sealing fat（18）Depot fat ring cavity to homophony valve rod（7）Top valve rod（16）Built-in fat sealing lubrication structure is formed, in bottom
Packing ring（20）Inner wall bottom be arranged interior sealing slot, in underfilling ring（20）Outer wall be arranged external seal slot, in interior sealing
" O " shape sealing ring is embedded in slot, external seal slot（19）To top valve rod（16）With valve deck top（17）It is formed inside and outside alternately multiple
Sealing structure.
5. as claimed in claim 4 from cleaning multi-level throttle high temperature blowdown valve, it is characterised in that：Middle filler ring（22）Ring
Body section is inverted " v " structure, underfilling ring（20）Upper surface, upper layer packing ring（21）Lower face be arranged to and middle level
The compatible " V " shape structure of packing ring.
6. as described in claim 4 or 5 from cleaning multi-level throttle high temperature blowdown valve, it is characterised in that：One group of middle filler ring
（22）It is to be fitted to underfilling ring by stacked system（20）With upper layer packing ring（21）Between form a sealing unit, in valve
Cover portion（17）Packing cavity in by stacked system be equipped with underfilling ring successively（20）, one group of middle filler ring（22）, upper layer
Packing ring（21）The quantity of the sealing unit of composition is 2-3.
7. as claimed in claim 6 from cleaning multi-level throttle high temperature blowdown valve, it is characterised in that：The sealing unit be by
One underfilling ring（20）, a upper layer packing ring（21）It is fitted to underfilling ring with by stacked system（20）, upper layer fills out
Expect ring（21）Between 2-5 middle filler ring（22）Composition.
8. as described in claim 1 from cleaning multi-level throttle high temperature blowdown valve, it is characterised in that：The main valve body（1）, main valve
Lid（2）, valve core housing（5）With blowdown valve seat（9）Heat safe sealing material is all made of to be made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721522304.XU CN207648157U (en) | 2017-11-15 | 2017-11-15 | From cleaning multi-level throttle high temperature blowdown valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721522304.XU CN207648157U (en) | 2017-11-15 | 2017-11-15 | From cleaning multi-level throttle high temperature blowdown valve |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110159772A (en) * | 2019-06-04 | 2019-08-23 | 四川长仪油气集输设备股份有限公司 | A kind of throttle valve of three-level throttle type |
| CN110715109A (en) * | 2019-10-17 | 2020-01-21 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | Self-cleaning multi-stage pressure reduction regulating valve |
| CN113531136A (en) * | 2021-08-09 | 2021-10-22 | 宁波诚天液压有限公司 | One-way fine adjustment type hydraulic control throttling device |
-
2017
- 2017-11-15 CN CN201721522304.XU patent/CN207648157U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110159772A (en) * | 2019-06-04 | 2019-08-23 | 四川长仪油气集输设备股份有限公司 | A kind of throttle valve of three-level throttle type |
| CN110159772B (en) * | 2019-06-04 | 2020-09-04 | 四川长仪油气集输设备股份有限公司 | Three-stage throttling type throttle valve |
| CN110715109A (en) * | 2019-10-17 | 2020-01-21 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | Self-cleaning multi-stage pressure reduction regulating valve |
| CN113531136A (en) * | 2021-08-09 | 2021-10-22 | 宁波诚天液压有限公司 | One-way fine adjustment type hydraulic control throttling device |
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