CN207131905U - Upper dress formula full-bore elastic hard sealing high temperature corrosion-resisting fused salt two-way valve - Google Patents
Upper dress formula full-bore elastic hard sealing high temperature corrosion-resisting fused salt two-way valve Download PDFInfo
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- CN207131905U CN207131905U CN201721014920.4U CN201721014920U CN207131905U CN 207131905 U CN207131905 U CN 207131905U CN 201721014920 U CN201721014920 U CN 201721014920U CN 207131905 U CN207131905 U CN 207131905U
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Abstract
Upper dress formula full-bore elastic hard sealing high temperature corrosion-resisting fused salt two-way valve, including valve body, elastic seat, valve element, valve rod, for valve body while being provided with elastic seat, elastic seat passes through disc holder rotational lock with valve body.Sealing ring is installed, the valve element is inserted in the axle sleeve of valve body, and elastic seat and sealing ring are convex convex line to be sealed on the valve element.Bonnet loads the axle sleeve of valve body, and the valve rod is locked through bonnet, filler behind part.Valve rod connects executing agency, and the moment of torsion of executing agency passes to valve element by valve rod, and driving valve element opens and closes rotation.Formula full-bore elastic hard sealing high temperature corrosion-resisting fused salt two-way valve is filled on the utility model, the two-way valve no inner chamber dead angle simple in construction, convenient disassembly, can on-line maintenance cost be low, full-bore negotiability is strong, elastic seat linear sealing, high temperature double fluid reduces fused salt pipeline system maintenance cost to sealed reliable.
Description
Technical field
It the utility model is related to one kind and be used for high-temperature molten salt pipeline valve, it is firmly close that formula full-bore elasticity is specifically filled in one kind
Seal high temperature corrosion-resisting fused salt two-way valve.
Background technology
Fused salt is by potassium nitrate（KNO3）, natrium nitrosum（NaNO2）And sodium nitrate（NaNO3）Mixture.Molten salt energy-storage
Technology, it is to be stored after heat storage medium fused salt is heated using the illumination on daytime, is discharged to night, steam is produced by exchanging heat
Pushing turbine generates electricity.The storage defect of electric energy, the energy storage technology of photo-thermal power generation are converted into by light compared to photovoltaic generation
Be avoided that the trouble that night, rainy days can not generate electricity, can be achieved it is lasting generate electricity, peaking generation.
The fused salt of powdery is heated to more than 142 DEG C of fusing point by heat carrier furnace, it is recycled under melt-flow state.
Maximum operating temperature is up to 580 DEG C of high temperature.Need to keep necessary mobility in fused salt pipeline performance, it is also necessary to high temperature resistant, resistance to
The block valve of corrosion is controlled.And the sealing surface of gate valve, in the type frequently reciprocating of keying, mixed flow medium fouling is deposited in
Valve body lower portion cavity.Common o shape ball valves, which have inner chamber dead angle, can produce fused salt residual and crystallization, cause valve torque to cross kilocalorie
Plug；And butterfly valve flow resistance coefficient is big, fused salt poor mobile performance；Conventional hemispherical valve is in high-temperature molten salt pipeline due to material thermal expansion
Property, cause valve stuck；Formula semisphere valve is traditionally filled, hemisphere difficulty of processing is high, and replacing hemisphere cost is expensive, and valve seat can not expire
Sufficient full-bore requirement, negotiability are low.
The content of the invention
Technical problem to be solved in the utility model is to provide dress formula full-bore elastic hard sealing high temperature corrosion-resisting and melted
Salt two-way valve, the two-way valve no inner chamber dead angle simple in construction, convenient disassembly, can on-line maintenance cost be low, full-bore negotiability
By force, elastic seat linear sealing, high temperature double fluid reduce fused salt pipeline system maintenance cost to sealed reliable.
The technical scheme that the utility model is taken is：
Upper dress formula full-bore elastic hard sealing high temperature corrosion-resisting fused salt two-way valve, including valve body, elastic seat, valve element, valve
Bar, for valve body while being provided with elastic seat, elastic seat passes through disc holder rotational lock with valve body.Installed on the valve element close
Seal, the valve element are inserted in the axle sleeve of valve body, and elastic seat and sealing ring are convex convex line to be sealed.Bonnet loads the axle of valve body
Set, the valve rod are locked through bonnet, filler behind part.Valve rod connects executing agency, and the moment of torsion of executing agency is passed by valve rod
Valve element is passed, driving valve element opens and closes rotation.
The valve body is upper dress formula structure, and the first metal wound gasket is provided between the elastic seat and valve body；Sealing ring
Sealed by the second metal wound gasket.
The valve body top sets Upper shaft sleeve, and body base is provided with Lower shaft sleeve, and the valve element is inserted in the upper and lower axle sleeve of valve body
In, the first adjusting pad is provided with the Lower shaft sleeve, by adjusting the first adjusting pad height, valve element is coordinated with elastic seat；
Bonnet loads Upper shaft sleeve；
The valve rod is locked after sequentially passing through the second adjusting pad, bonnet, Packing seat, filler group, gland；
The 3rd metal wound gasket is provided between the bonnet and valve body.
The valve element centre of gyration has axially eccentric y geometry designs, the sealing ring centre of gyration to have radial disbalance x geometry
Design.
The upper and lower support of valve element is integral type semi-circular structure.
The elastic seat is convex to convex line sealing with sealing ring, by resistance to relaxation property and valve body the α angles of elastic seat
Medium-tight compensates than pressure, 20~30 ° of α angular ranges；Elastic seat uses Inconel X-750 nickel base superalloys.
The sealing ring and valve element are split, and sealing ring uses the alloys of Inconel 718.
The valve body, valve element use CF8 integral casting formings；Valve rod, axle sleeve use the alloys of Inconel 718；The gold
Belong to wound gasket using 304 steel discs winding soft graphite.Material is not specified in described structure using high temperature resistant, corrosion-resistant stainless
Steel material.
Formula full-bore elastic hard sealing high temperature corrosion-resisting fused salt two-way valve is filled in the utility model one kind, technique effect is such as
Under：
1st, wedge-shaped moment of torsion sealing：When valve is closed, the moment of torsion of executing agency drives valve element to be produced with elastic seat by valve rod
The mechanical forced sealing of raw cam wedging, ensures to realize tight shut-off independent of spring or operation pressure from theory of mechanics,
Save manufacturing time and cost.
2nd, without friction automatically cleaning：Valve one is opened, and valve element disengages with valve seat immediately, and fluid is 360 ° and washes away sealing
Face, when valve is closed, valve element moves closer to valve seat, starts to sweep the impurity removed on valve seat, sediment, crystallization, until valve
Close.In switching process, valve element does not contact with valve seat, without friction, automatically cleaning, ensure that the long-life that valve uses.
3rd, non-resistance：All-pass gauge structure, during valve element standard-sized sheet, area of passage is big, and no flow resistance, fused salt mobile performance is strong, flow
The pressure loss is zero.
4th, it is easy to maintenance：Valve is dismantled, is easy for installation during on-bne repair, and is less prone to flange leakage salt condition, reduces
Working condition system maintenance cost.
5th, spare parts cost is low：Sealing ring and valve element separate structure, it is lower than tradition replacing hemisphere cost to change sealing ring.
6th, without valve pocket：Without valve pocket trap, discharged without pressure release, be inherently eliminated conventional ball valve because fused salt remains and ties
It is dangerous caused by crystalline substance.
7th, high temperature bi-directional seals：Elastic seat is convex to convex line sealing with sealing ring, avoids valve under worst hot case
Material heat expansion causes the stuck risk of valve, by the resistance to relaxation property of elastic seat, realizes that high temperature bi-directional slip breaks through；
Inconel materials are with high intensity, good toughness and in hot environment with corrosion resistance, resistance to erosion, service life length.
8th, without short tube：Process pipelines can be welded direct to, without weld nipple, significantly reduce cost.
9th, it is in light weight：Weight reduces by 30% than traditional top mounting ball valve, and top flange size reduces 20%.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and examples.
Fig. 1 is structural representation of the present utility model；
Fig. 2 is AA portions face view in Fig. 1；
Fig. 3 is the enlarged drawing at BB in Fig. 1；
Description of symbols in figure：1- valve bodies, 2- valve elements, the adjusting pads of 3- first, 4- Lower shaft sleeves, 5- disc holders, the gold medals of 6- first
Belong to wound gasket, 7- elastic seats, the metal wound gaskets of 8- second, 9- sealing rings, 10- valve rods, 11- Upper shaft sleeves, 12- Packing seats, 13-
3rd metal wound gasket, 14- bonnets, the bolts of 15- first, 16- filler groups, 17- glands, 18- supports, the bolts of 19- second,
20- executing agencies, the bolts of 21- the 3rd, the adjusting pads of 22- second, x- radial disbalances, y-axis is to bias.
Embodiment
As shown in Fig. 1 ~ Fig. 3, upper dress formula full-bore elastic hard sealing high temperature corrosion-resisting fused salt two-way valve, including valve body 1, bullet
Property valve seat 7, valve element 2, valve rod 10, the one side of valve body 1 are provided with elastic seat 7, and elastic seat 7 is revolved with valve body 1 by disc holder 5
Twist lock is tight.Sealing ring 9 is installed, the valve element 2 is inserted in the axle sleeve of valve body 1, and elastic seat 7 is with sealing ring 9 on the valve element 2
It is convex that convex line is sealed.Bonnet 14 loads the axle sleeve of valve body 1, and the valve rod 10 is locked through bonnet 14, filler behind part.Valve rod 10
Executing agency 20 is connected, the moment of torsion of executing agency 20 passes to valve element 2 by valve rod 10, and driving valve element 2 opens and closes rotation.
The valve body 1 is upper dress formula structure, and the first metal wound gasket 6 is provided between the elastic seat 7 and valve body 1；It is close
Seal 9 is sealed by the second metal wound gasket 8；The top of valve body 1 sets Upper shaft sleeve 11, and the bottom of valve body 1 is provided with Lower shaft sleeve 4,
The valve element 2 is inserted in the upper and lower axle sleeve of valve body 1, and the first adjusting pad 3 is provided with the Lower shaft sleeve 4, passes through the adjustment of regulation first
The height of pad 3, makes valve element 2 coordinate with elastic seat 7；Bonnet 14 loads Upper shaft sleeve 11；The valve rod 10 sequentially passes through the second adjustment
Locked after pad 22, bonnet 14, Packing seat 12, filler group 16, gland 17；The 3rd is provided between the bonnet 14 and valve body 1
Metal wound gasket 13.
The centre of gyration of valve element 2 has axially eccentric y geometry designs, the centre of gyration of sealing ring 9 to have, and radial disbalance x's is several
What is designed.The skew of valve rod 10 on two planar produces double vector cams motion of valve element 2 " rotation+translation ".Valve closes
When closing, the moment of torsion of executing agency 20 drives valve element 2 by valve rod 10, and the sealing ring 9 on valve element 2 moves closer to elastic seat 7, opens
Begin to sweep the impurity removed on elastic seat, sediment, crystallization, until valve is closed, sealing ring 9 and feather valve on valve element 2
Seat 7 produces the mechanical forced sealing of cam wedging；Ensure to realize tight independent of spring or operation pressure from theory of mechanics
Shut-off；Valve is opened, and valve element 2 disengages with elastic seat 7 immediately, no friction, ensure that the long-life that valve uses.
The utility model valve is upper dress formula all-pass gauge structure, and during valve element standard-sized sheet, area of passage is big, no flow resistance, fused salt stream
Dynamic performance is strong, and flow pressure loss is zero, valve dismounting during on-bne repair, easy for installation, and is less prone to flange leakage salt condition,
Reduce fused salt pipeline system maintenance cost.
The upper and lower support of valve element 2 is integral type semi-circular structure.The support absorption technique load of valve element 2 completely, it is ensured that valve element
2 operations are more stable reliable, no valve pocket trap, discharged without pressure release, have been inherently eliminated conventional ball valve because fused salt remains and ties
It is dangerous caused by crystalline substance.
The elastic seat 7 and sealing ring 9 are convex to convex line sealing, the arc surface of elastic seat 7 and the circle of sealing ring 9
Cambered surface forms linear sealing by the most salient point wedge shaped squeeze of circular arc.It is close by resistance to relaxation property and valve body α the angle media of elastic seat 7
Envelope is than pressure compensation, 20~30 ° of α angular ranges；Elastic seat 7 uses Inconel X-750 nickel base superalloys.
It is convex to convex line sealing using elastic seat 7 and sealing ring 9, avoids valve material heat expansion under worst hot case
Cause the risk that valve is stuck, compensated by resistance to relaxation property and valve body α the angles medium-tight of elastic seat 7 than pressure（α angle models
Enclose 20~30 °）, realize that high temperature bi-directional slip breaks through.The elastic seat 7 uses Inconel X-750 nickel base superalloys,
There is good corrosion-resistant and antioxygenic property below 700 DEG C, there is higher intensity and preferable resistance to relaxation property；It is described
Sealing ring 9 and valve element 2 are split, and processing is simple, and online replacement cost is low, and sealing ring 9 uses the alloys of Inconel 718,
With high intensity, good toughness and in hot environment with corrosion resistance at 700 DEG C；Sealing surface resistance to erosion, service life
It is long.
The Upper shaft sleeve 11 and Packing seat 12, it ensure that valve rod 10 is vertical, reduce unlatching frictional force, make open and close more
It is stable.
The valve body 1, valve element 2 use CF8 integral casting formings；Valve rod 10, axle sleeve use the alloys of Inconel 718；Institute
Metal wound gasket is stated using 304 steel discs winding soft graphite.
The executing agency 20 can make 90 ° of keying rotary motions by valve rod 10 to valve element 2.Executing agency 20 can be according to work
Condition needs, and matches worm gear type, air-driven type, power type transmission.
Operation principle：
Executing agency 20 can make 90 ° of keying rotary motions by valve rod 10 to valve element 2.It is close on valve element 2 when valve is closed
Seal 9 moves closer to elastic seat 7, starts to sweep impurity removed on elastic seat 7 etc., until valve is closed, on valve element 2
The mechanical forced that sealing ring 9 produces cam wedging with elastic seat 7 seals；Valve is opened, and valve element 2 departs from valve seat immediately to be connect
Touch, no friction, ensure that the long-life that valve uses.Elastic seat 7 is convex to convex line sealing with sealing ring 9, by elastic seat 7
Resistance to relaxation property and valve body α angles medium-tight than pressure compensate, realize high temperature double fluid to function.
The utility model two-way valve is convex to convex line sealing, two-way valve nothing simple in construction with sealing ring 9 using elastic seat 7
Inner chamber dead angle, convenient disassembly, can on-line maintenance, negotiability be strong, high temperature is double-current to sealed reliable, no friction automatically cleaning, ensure
The long-life that valve uses, reduce fused salt pipeline system maintenance cost.
Claims (7)
- Formula full-bore elastic hard sealing high temperature corrosion-resisting fused salt two-way valve, including valve body are filled on 1.（1）, elastic seat（7）, valve element （2）, valve rod（10）, it is characterised in that：Valve body（1）While it is provided with elastic seat（7）, elastic seat（7）With valve body（1）Pass through Disc holder（5）Rotational lock；The valve element（2）Upper installation sealing ring（9）, the valve element（2）It is inserted in valve body（1）Axle sleeve In, elastic seat（7）With sealing ring（9）Be it is convex to convex line seal；Bonnet（14）Load valve body（1）Axle sleeve, the valve rod （10）Through bonnet（14）, filler locks behind part；Valve rod（10）Connect executing agency（20）, executing agency（20）Moment of torsion lead to Cross valve rod（10）Pass to valve element（2）, drive valve element（2）Open and close rotation.
- 2. upper dress formula full-bore elastic hard sealing high temperature corrosion-resisting fused salt two-way valve according to claim 1, it is characterised in that： The valve body（1）For upper dress formula structure, the elastic seat（7）With valve body（1）Between be provided with the first metal wound gasket（6）；It is close Seal（9）Pass through the second metal wound gasket（8）Sealing；The valve body（1）Top sets Upper shaft sleeve（11）, valve body（1）Bottom is set There is Lower shaft sleeve（4）, the valve element（2）It is inserted in valve body（1）Upper and lower axle sleeve in, the Lower shaft sleeve（4）In be provided with the first adjusting pad （3）, by adjusting the first adjusting pad（3）Highly, valve element is made（2）With elastic seat（7）Coordinate；Bonnet（14）Load Upper shaft sleeve （11）；The valve rod（10）Sequentially pass through the second adjusting pad（22）, bonnet（14）, Packing seat（12）, filler group（16）, filler pressure Lid（17）After lock；The bonnet（14）With valve body（1）Between be provided with the 3rd metal wound gasket（13）.
- 3. upper dress formula full-bore elastic hard sealing high temperature corrosion-resisting fused salt two-way valve according to claim 1, it is characterised in that： The valve element（2）The centre of gyration has axially eccentric y geometry designs, sealing ring（9）The geometry that the centre of gyration has radial disbalance x is set Meter.
- 4. upper dress formula full-bore elastic hard sealing high temperature corrosion-resisting fused salt two-way valve according to claim 1, it is characterised in that： The valve element（2）Upper and lower support is integral type semi-circular structure.
- 5. upper dress formula full-bore elastic hard sealing high temperature corrosion-resisting fused salt two-way valve according to claim 1, it is characterised in that： The elastic seat（7）, sealing ring（9）Between seal, by elastic seat（7）Resistance to relaxation property and valve body（1）α angle media Seal pressure compensates, 20~30 ° of α angular ranges；Elastic seat（7）Using Inconel X-750 nickel base superalloys.
- 6. upper dress formula full-bore elastic hard sealing high temperature corrosion-resisting fused salt two-way valve according to claim 1, it is characterised in that： The sealing ring（9）With valve element（2）For split, sealing ring（9）Using the alloys of Inconel 718.
- 7. upper dress formula full-bore elastic hard sealing high temperature corrosion-resisting fused salt two-way valve according to claim 2, it is characterised in that： The valve body（1）, valve element（2）Using CF8 integral casting formings；Valve rod（10）, axle sleeve use the alloys of Inconel 718；It is described Metal wound gasket is using 304 steel discs winding soft graphite.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721014920.4U CN207131905U (en) | 2017-08-09 | 2017-08-09 | Upper dress formula full-bore elastic hard sealing high temperature corrosion-resisting fused salt two-way valve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721014920.4U CN207131905U (en) | 2017-08-09 | 2017-08-09 | Upper dress formula full-bore elastic hard sealing high temperature corrosion-resisting fused salt two-way valve |
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| CN207131905U true CN207131905U (en) | 2018-03-23 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107387798A (en) * | 2017-08-09 | 2017-11-24 | 湖北泰和石化设备有限公司 | Upper dress formula full-bore elastic hard sealing high temperature corrosion-resisting fused salt two-way valve |
| CN108626405A (en) * | 2018-05-25 | 2018-10-09 | 西派集团有限公司 | A kind of electric sleeve barrel formula adjustable throttling |
-
2017
- 2017-08-09 CN CN201721014920.4U patent/CN207131905U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107387798A (en) * | 2017-08-09 | 2017-11-24 | 湖北泰和石化设备有限公司 | Upper dress formula full-bore elastic hard sealing high temperature corrosion-resisting fused salt two-way valve |
| CN108626405A (en) * | 2018-05-25 | 2018-10-09 | 西派集团有限公司 | A kind of electric sleeve barrel formula adjustable throttling |
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