CN209245441U - High temperature and pressure compounded mix control valve - Google Patents
High temperature and pressure compounded mix control valve Download PDFInfo
- Publication number
- CN209245441U CN209245441U CN201822148739.3U CN201822148739U CN209245441U CN 209245441 U CN209245441 U CN 209245441U CN 201822148739 U CN201822148739 U CN 201822148739U CN 209245441 U CN209245441 U CN 209245441U
- Authority
- CN
- China
- Prior art keywords
- filler
- high temperature
- nickel wire
- assembly
- valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000000945 filler Substances 0.000 claims abstract description 150
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 48
- 238000000465 moulding Methods 0.000 claims abstract description 35
- 239000002131 composite material Substances 0.000 claims abstract description 26
- 239000000203 mixture Substances 0.000 claims abstract description 19
- 210000004907 gland Anatomy 0.000 claims abstract description 14
- 239000002184 metal Substances 0.000 claims description 30
- 229910052751 metal Inorganic materials 0.000 claims description 30
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 21
- 229910002804 graphite Inorganic materials 0.000 claims description 19
- 239000010439 graphite Substances 0.000 claims description 19
- 239000000835 fiber Substances 0.000 claims description 13
- 125000002837 carbocyclic group Chemical group 0.000 claims description 10
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 6
- 239000004917 carbon fiber Substances 0.000 claims description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 6
- 238000012856 packing Methods 0.000 claims description 5
- 238000007596 consolidation process Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 239000011248 coating agent Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 claims 1
- 229910052759 nickel Inorganic materials 0.000 claims 1
- 238000003786 synthesis reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 5
- 230000008595 infiltration Effects 0.000 description 3
- 238000001764 infiltration Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical group [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 238000006748 scratching Methods 0.000 description 2
- 230000002393 scratching effect Effects 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Landscapes
- Sealing Devices (AREA)
- Lift Valve (AREA)
Abstract
The utility model provides a kind of high temperature and pressure compounded mix control valve, including valve body and valve rod, gland is sealedly connected between body top and valve rod, it further include filler assembly, there is the stuffing-box of accommodating filler assembly between gland, valve body and valve rod, be equipped with support filler assembly and the filler heelpiece by filler assembly, valve body and valve stem seal below filler assembly；Filler assembly successively includes upper filler assembly, heat-insulated guide sleeve and lower filler assembly from top to bottom；Upper filler assembly successively includes that at least two groups high temperature nickel wire tray root molding filler, vertical line composite molding filler, horizontal line composite molding filler and high temperature nickel wire tray root form filler from top to bottom；Lower filler assembly successively includes that high temperature nickel wire tray root molding filler, vertical line composite molding filler, horizontal line composite molding filler and at least two groups high temperature nickel wire tray root form filler from top to bottom.The design of the utility model filler assembly rationally, can effectively reduce filler disclosure risk, improve filler service life.
Description
Technical field
The utility model relates to control valve packing technique field more particularly to a kind of high temperature and pressure compounded mix control valves.
Background technique
Control valve is also known as regulating valve, is the main execution unit instrument control valve in industrial stokehold, by receiving tune
The control signal for saving control unit output goes to change fluid flow by power operation.Control valve is generally by executing agency and valve
Door composition.The conventional filler structure of control valve is to compress filler by hold-down grid and filler pressing sleeve, realizes that the filler at valve rod is close
Envelope.In actual use, high-temperature oxygen control valve, hydrogen control valve are commonly used in the inflammable and explosive medium of adjusting, toxic Jie
Matter etc..In use for some time, it is easy to appear filler leakage, even if re-replacing medium, after continuing to use a period of time
Also leakage can be reappeared quickly.The filler of temperature reducing system control valve also will appear the above problem.Therefore, in view of the above-mentioned problems,
It is necessary to the filling system redesigns to control valve, design a kind of control that can be effectively reduced leakage, improve filler service life
Valve processed.
Utility model content
Technical problem to be solved by the utility model is: the deficiency in order to overcome the prior art, the utility model provides one
Kind can effectively reduce leakage, improve the high temperature and pressure compounded mix control valve of filler service life.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of high temperature and pressure compounded mix control
Valve including valve body, is sealedly connected with gland between the valve rod of valve body, the body top and valve rod, and described fills out
The hold-down grid that gland is pushed to consolidation is fixedly connected on material gland, the high temperature and pressure compounded mix control valve also wraps
Filler assembly is included, there is the stuffing-box of accommodating filler assembly, the filler group between the gland, valve body and valve rod
Support filler assembly and the filler heelpiece by filler assembly, valve body and valve stem seal are equipped with below part；The filler assembly from
It successively include upper filler assembly, heat-insulated guide sleeve and lower filler assembly under；The upper filler assembly is from top to bottom successively
Including at least two groups high temperature nickel wire tray root molding filler, vertical line composite molding filler, horizontal line composite molding filler and high temperature
Nickel wire packing forms filler；The lower filler assembly successively includes that high temperature nickel wire tray root forms filler, vertical line from top to bottom
Composite molding filler, horizontal line composite molding filler and at least two groups high temperature nickel wire tray root form filler.
Filler heelpiece includes high-temperature metal protection ring and the mechanical carbocyclic ring that is interference fitted in high-temperature metal protection ring, described
High-temperature metal protection ring internal diameter be greater than valve stem bore, i.e., inside high-temperature metal protection ring not with valve stem contacts, mechanical carbocyclic ring with
Valve rod interference fit.Mechanical carbocyclic ring can effectively reduce the friction with valve rod due to material reason.Filler heelpiece can prevent medium because
High pressure sprays.High-temperature metal protection ring with valve stem contacts, can not prevent from scratching valve rod, and the carbocyclic ring that can prevent from unloading is in filler filling
It is damaged in the process because of punching press, and prevents control valve from damaging in use because of vibration.
The cushion hole of connection body inside and outside wall is provided in the body circumferential direction of heat-insulated guide sleeve.Cushion hole can be reduced by lower filler
The heat transmitting of the upward filler assembly of component.Low pressure chamber is formed at the cushion hole of heat-insulated guide sleeve simultaneously, lower filler assembly leaks out
Medium buffered in low pressure chamber, the impact to upper filler assembly can be reduced, be further reduced leakage may.
It includes expansion carbon fiber establishment line, nickel wire and expanded graphite that high temperature nickel wire tray root, which forms filler,.High temperature nickel wire tray root
Molding filler is made of expansion carbon fiber establishment line, nickel wire, expanded graphite etc., and integral strength is high, can in the case of isolation oxidant
800 DEG C of high temperature are resistant to, can tolerate 650 DEG C of high temperature under aerobic conditions；There are good self-lubrication, resistance to erosion；Thermal conductivity is good, size
It is stable, non-sclerous.
Horizontal line composite molding filler is suppressed by nickel wire and expanded graphite fiber, the nickel wire and expanded graphite fiber
Also there is the metal mesh in the V-structure that Open Side Down in filler made of compacting.Metal mesh can make filler keep shape, and
Radial force is formed under metal mesh elastic reaction, tight contacts between filler with stuffing-box, valve rod, and when there is medium infiltration by Jie
Matter pressure further struts filler, reinforces the contact force with valve rod, stuffing-box.
Vertical line composite molding filler is suppressed by nickel wire and expanded graphite fiber, the nickel wire and expanded graphite fiber
Also there is the metal mesh for the V-structure for being in opening towards valve rod in filler made of compacting.Metal mesh can make filler keep shape,
And axial force is formed under metal mesh elastic reaction, make the filler above and below it keep being in close contact, and having medium infiltration
It is fashionable further to strut filler by pressure medium, reinforce the contact dynamics between each filler up and down.
The utility model has the beneficial effects that high temperature and pressure compounded mix control valve provided by the utility model, rationally sets
Filler assembly, filler assembly and lower filler assembly in design are counted, and is separated by heat-insulated guide sleeve, filler leakage can be effectively reduced
Risk improves filler service life.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the structural schematic diagram of the utility model optimum embodiment.
Fig. 2 is the structural schematic diagram of filler heelpiece in the utility model optimum embodiment.
Fig. 3 is the structural schematic diagram of the hot guide sleeve of the utility model optimum embodiment interval.
Fig. 4 is the structural schematic diagram of the utility model optimum embodiment high temperature nickel wire packing molding filler.
Fig. 5 is the structural schematic diagram of vertical line composite molding filler in the utility model optimum embodiment.
Fig. 6 is the structural schematic diagram of horizontal line composite molding filler in the utility model optimum embodiment.
1, valve body 2 in figure, valve rod 3, gland 4, hold-down grid 5, heat-insulated guide sleeve 6, high temperature nickel wire tray root at
Type filler 7, vertical line composite molding filler 8, horizontal line composite molding filler 9, metal mesh 10, high-temperature metal protection ring
11, mechanical carbocyclic ring 12, cushion hole 13, expansion carbon fiber work out line 14, nickel wire 15, expanded graphite 16, expanded graphite fiber
17, zinc ring.
Specific embodiment
The utility model is described in further detail presently in connection with attached drawing.These attached drawings are simplified schematic diagram,
Only illustrate the basic structure of the utility model in a schematic way, therefore it only shows composition related with the utility model.
A kind of high temperature and pressure compounded mix control valve as shown in Figures 1 to 6, is the utility model optimum embodiment, packet
Valve body 1, the valve rod 2 through valve body 1 are included, is sealedly connected with gland 3 between 1 top of valve body and valve rod 2, described fills out
The hold-down grid 4 that gland 3 is pushed to consolidation is fixedly connected on material gland 3.
High temperature and pressure compounded mix control valve further includes filler assembly, between the gland 3, valve body 1 and valve rod 2
Stuffing-box with accommodating filler assembly is equipped with support filler assembly below the filler assembly and by filler assembly, valve body 1
With 2 airtight and watertight padding heelpiece of valve rod；The filler assembly successively includes upper filler assembly, 5 and of heat-insulated guide sleeve from top to bottom
Lower filler assembly.
Upper filler assembly successively includes that two groups of high temperature nickel wire tray root molding fillers 6, vertical line composite moldings are filled out from top to bottom
Material 7, horizontal line composite molding filler 8 and high temperature nickel wire tray root form filler 6.Lower filler assembly successively includes high temperature from top to bottom
Nickel wire packing form filler 6, vertical line composite molding filler 7, horizontal line composite molding filler 8 and two groups of high temperature nickel wire tray roots at
Type filler 6.The molding of high temperature nickel wire tray root filler 6 and the vertical 7 connecting end surface periphery of line composite molding filler of lower filler assembly are also
It surround and is fixed with zinc ring 17.
Filler heelpiece includes high-temperature metal protection ring 10 and the mechanical carbocyclic ring that is interference fitted in high-temperature metal protection ring 10
11,10 internal diameter of high-temperature metal protection ring is greater than 2 internal diameter of valve rod, i.e., does not connect with valve rod 2 inside high-temperature metal protection ring 10
Touching, mechanical carbocyclic ring 11 are interference fitted with valve rod 2.Mechanical carbocyclic ring 11 can effectively reduce the friction with valve rod 2 due to material reason.
Filler heelpiece can prevent medium from spraying because of high pressure.High-temperature metal protection ring 10 is not contacted with valve rod 2, can prevent from scratching valve rod 2, and
The carbocyclic ring that can prevent from unloading damages during filler filling because of punching press, and prevents control valve from damaging in use because of vibration
It is bad.
The cushion hole 12 of connection body inside and outside wall is provided in the body circumferential direction of heat-insulated guide sleeve 5.Cushion hole 12 can reduce by
The heat transmitting of the lower upward filler assembly of filler assembly.Low pressure chamber, lower filler group are formed at the cushion hole 12 of heat-insulated guide sleeve 5 simultaneously
The medium that part leaks out is buffered in low pressure chamber, can reduce the impact to upper filler assembly, and being further reduced leakage may.
It includes expansion carbon fiber establishment line 13, nickel wire 14 and expanded graphite 15 that high temperature nickel wire tray root, which forms filler 6,.High temperature nickel
Wire tray root forms filler 6 and is made of expansion carbon fiber establishment line 13, nickel wire 14, expanded graphite 15 etc., and integral strength is high, isolating oxygen
It can tolerate 800 DEG C of high temperature in the case of agent, can tolerate 650 DEG C of high temperature under aerobic conditions；There are good self-lubrication, resistance to erosion；
Thermal conductivity is good, dimensionally stable, non-sclerous.
Horizontal line composite molding filler 8 is suppressed by nickel wire 14 and expanded graphite fiber 16, the nickel wire 14 and expansion
Also there is the metal mesh 9 in the V-structure that Open Side Down in filler made of graphite fibre 16 is suppressed.Metal mesh 9 can make filler
Shape is kept, and forms radial force under 9 elastic reaction of metal mesh, tight contacts between filler with stuffing-box, valve rod 2, and having
Filler is further strutted by pressure medium when medium penetrates into, reinforces the contact force with valve rod 2, stuffing-box.
Vertical line composite molding filler 7 is suppressed by nickel wire 14 and expanded graphite fiber 16, the nickel wire 14 and expansion
Also there is the metal mesh 9 for the V-structure for being in opening towards valve rod 2 in filler made of graphite fibre 16 is suppressed.Metal mesh 9 can make
Filler keeps shape, and forms axial force under 9 elastic reaction of metal mesh, and the filler above and below it is made to keep closely connecing
Touching, and filler is further strutted by pressure medium when there is medium infiltration, reinforce the contact dynamics between each filler up and down.
The high temperature and pressure compounded mix control valve being designed in this way rationally designs filler assembly, and filler assembly is under in design
Filler assembly, and separated by heat-insulated guide sleeve 5, filler disclosure risk can be effectively reduced, filler service life is improved, it is applicable
In can be used for 20MPa, 600 DEG C of control valves below.
It is enlightenment, through the above description, related work people with the above-mentioned desirable embodiment according to the utility model
Member can carry out various changes and amendments in the range of without departing from this item utility model technical idea completely.This item is real
It is not limited to the contents of the specification with novel technical scope, it is necessary to its technology is determined according to scope of the claims
Property range.
Claims (6)
1. a kind of high temperature and pressure compounded mix control valve, including valve body (1), through the valve rod (2) of valve body (1), the valve body (1)
It is sealedly connected with gland (3), is fixedly connected on the gland (3) by filler pressure between top and valve rod (2)
Build the hold-down grid (4) that (3) push consolidation, it is characterised in that: the high temperature and pressure compounded mix control valve further includes filler group
Part has the stuffing-box of accommodating filler assembly, the filler between the gland (3), valve body (1) and valve rod (2)
Support filler assembly is equipped with below component and by filler assembly, valve body (1) and valve rod (2) airtight and watertight padding heelpiece；Described fills out
Expect that component successively includes upper filler assembly, heat-insulated guide sleeve (5) and lower filler assembly from top to bottom；The upper filler assembly from
It is successively multiple including at least two groups high temperature nickel wire tray root molding filler (6), vertical line composite molding filler (7), horizontal line under
Synthesis type filler (8) and high temperature nickel wire tray root molding filler (6)；The lower filler assembly successively includes high temperature nickel from top to bottom
Wire tray root forms filler (6), vertical line composite molding filler (7), horizontal line composite molding filler (8) and at least two groups high temperature nickel
Wire tray root forms filler (6).
2. high temperature and pressure compounded mix control valve as described in claim 1, it is characterised in that: the filler heelpiece includes height
Warm metal coating ring (10) and the mechanical carbocyclic ring (11) being interference fitted in high-temperature metal protection ring (10), the high-temperature metal
Protection ring (10) internal diameter is greater than valve rod (2) internal diameter, i.e., does not contact with valve rod (2) inside high-temperature metal protection ring (10), mechanical carbon
Ring (11) and valve rod (2) are interference fitted.
3. high temperature and pressure compounded mix control valve as described in claim 1, it is characterised in that: the heat-insulated guide sleeve (5)
Body circumferential direction on be provided with connection body inside and outside wall cushion hole (12).
4. high temperature and pressure compounded mix control valve as described in claim 1, it is characterised in that: the high temperature nickel wire
It includes expansion carbon fiber establishment line (13), nickel wire (14) and expanded graphite (15) that packing, which forms filler (6),.
5. high temperature and pressure compounded mix control valve as described in claim 1, it is characterised in that: the horizontal line composite molding
Filler (8) is suppressed by nickel wire (14) and expanded graphite fiber (16), and the nickel wire (14) and expanded graphite fiber (16) are pressed
Also there is the metal mesh (9) in the V-structure that Open Side Down in filler made of system.
6. high temperature and pressure compounded mix control valve as described in claim 1, it is characterised in that: the vertical line composite molding
Filler (7) is suppressed by nickel wire (14) and expanded graphite fiber (16), and the nickel wire (14) and expanded graphite fiber (16) are pressed
Also there is the metal mesh (9) for the V-structure for being in opening towards valve rod in filler made of system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822148739.3U CN209245441U (en) | 2018-12-20 | 2018-12-20 | High temperature and pressure compounded mix control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822148739.3U CN209245441U (en) | 2018-12-20 | 2018-12-20 | High temperature and pressure compounded mix control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209245441U true CN209245441U (en) | 2019-08-13 |
Family
ID=67533833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822148739.3U Active CN209245441U (en) | 2018-12-20 | 2018-12-20 | High temperature and pressure compounded mix control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209245441U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022083285A1 (en) * | 2020-10-20 | 2022-04-28 | 吴忠仪表有限责任公司 | Straight-stroke no-material-loss high-temperature normal-pressure filler sealing structure |
-
2018
- 2018-12-20 CN CN201822148739.3U patent/CN209245441U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022083285A1 (en) * | 2020-10-20 | 2022-04-28 | 吴忠仪表有限责任公司 | Straight-stroke no-material-loss high-temperature normal-pressure filler sealing structure |
| US12085192B2 (en) | 2020-10-20 | 2024-09-10 | Wuzhong Instrument Co., Ltd. | Straight-stroke no-material-loss high-temperature normal-pressure filler sealing structure |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |