CN106979352A - The high temperature orbit ball valve used in molecular sieve device - Google Patents
The high temperature orbit ball valve used in molecular sieve device Download PDFInfo
- Publication number
- CN106979352A CN106979352A CN201710237133.4A CN201710237133A CN106979352A CN 106979352 A CN106979352 A CN 106979352A CN 201710237133 A CN201710237133 A CN 201710237133A CN 106979352 A CN106979352 A CN 106979352A
- Authority
- CN
- China
- Prior art keywords
- valve
- high temperature
- spheroid
- molecular sieve
- sieve device
- 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.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
- F16K5/0647—Spindles or actuating means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
- F16K5/0663—Packings
- F16K5/0694—Spindle sealings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Taps Or Cocks (AREA)
- Multiple-Way Valves (AREA)
Abstract
The high temperature orbit ball valve that the present invention is used in molecular sieve device, including valve body, spheroid, valve rod, valve seat, bonnet and handwheel devices, it is fixedly connected between bonnet and valve body by stud nut, Upper shaft sleeve is arranged with the middle part of valve rod, the inwall of valve seat, which is provided with elastic groove, elastic groove, is provided with high temperature soft graphite；The upper surface that spheroid is contacted with bonnet is provided with spherical buffering projecting block；The lower end of valve rod is eccentric wedge arm, by spacing pin connection between eccentric wedge arm and spheroid, and the upper end of valve rod is provided with stem guiding groove, and stem guiding groove is used for the rotation for realizing spheroid, and stem guiding groove is that guide finger is provided with S type stem guiding grooves, stem guiding groove.The present invention is simple in construction, easy to use, has accomplished switching process without friction, zero leakage of shut-off, its performance is particularly suitable for the harsh working condition requirement in molecular sieve device.
Description
Technical field
The present invention relates to industrial valve technical field, the high temperature orbit ball valve more particularly to used in molecular sieve device.
Background technology
In the industrial production, molecular sieve device is widely used in the purification process of gas, and its special technological process is to using
Valve in a device has very strict requirement.
Valve must assure that strict sealing in drier.In the regeneration cycle process of device adsorption tower, if valve
It is poorly sealed, moisture enters drying tower, drying tower is not regenerated fully, causes operation cost to increase.Valve needs high temperature resistant,
High-temperature heating is needed during regeneration cycle, temperature is up to 426 DEG C.Valve must be wear-resisting, and opens and closes frequent.Whole technological process absorption
Dehydration, thermal regeneration, cold blowing cooling, iterative cycles.Valve cycles are opened and closed, and molecular sieve desiccant particle can cause valve key portion
Position accelerated wear test, can destroy valve sealing face, cause valve stuck failure when serious.
Under high warm alternation operating mode, easily there is moment of torsion increase extremely in valve partses material expanded by heating, or " locking " is now
As.
The content of the invention
Reliable sealing cut-out can be realized the technical problem to be solved in the present invention is to provide one kind, frequent keying is stood
Circulation, low torque operation, and performance more wins being used in molecular sieve device for other type valves under high-temperature alternate operating mode
High temperature orbit ball valve.
To reach above-mentioned purpose, technical scheme is as follows：
The high temperature orbit ball valve used in molecular sieve device, including valve body, spheroid, valve rod, valve seat, bonnet and handwheel
Device, is fixedly connected between bonnet and valve body by stud nut, and Upper shaft sleeve is arranged with the middle part of valve rod,
The inwall of valve seat, which is provided with elastic groove, elastic groove, is provided with high temperature soft graphite；
The upper surface that spheroid is contacted with bonnet is provided with spherical buffering projecting block；
The lower end of valve rod is eccentric wedge arm, by spacing pin connection between eccentric wedge arm and spheroid,
The upper end of valve rod is provided with stem guiding groove, and stem guiding groove is used for the rotation for realizing spheroid, and stem guiding groove is S types
Guide finger is provided with stem guiding groove, stem guiding groove.
In one embodiment of the invention, pressing sleeve of valve seat, valve seat pad and clamp screw are passed through between valve seat and valve body
Nail is installed, and is connected through a screw thread between pressing sleeve of valve seat and valve body.
In one embodiment of the invention, the bottom of spheroid is provided with support shaft, and support shaft is arranged in valve body, support shaft
On be arranged with Lower shaft sleeve, the outer surface of support shaft is sphere.
In one embodiment of the invention, the sealing sphere that spheroid is contacted with valve seat is provided with hardening coat, support shaft
Sphere be provided with hardening coat.
In one embodiment of the invention, spheroid is three-port structure.
In one embodiment of the invention, stuffing-box is provided between valve rod and bonnet, stuffing-box is by filler, filler pressure
Set, hold-down grid composition, hold-down grid are arranged on bonnet by stud nut, and hold-down grid is used for filler pressing sleeve and filler
It is fixed, filler is located above Upper shaft sleeve.
In one embodiment of the invention, spirotallic gasket is provided with the sealing of bonnet and valve body.
In one embodiment of the invention, high temperature orbit ball valve also includes a support, and support is arranged on the upper end of valve rod,
Support is provided with limited step.
By above-mentioned technical proposal, the beneficial effects of the invention are as follows：
The present invention is simple in construction, easy to use, has accomplished switching process without friction, zero leakage of shut-off, its performance is especially fitted
Close the harsh working condition requirement in molecular sieve device.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the scheme of installation of ball seal face of the present invention and sealing surface of seat；
Part-structure schematic diagram when Fig. 3 is valve rod of the present invention and sphere installation；
Fig. 4 is the scheme of installation of ball support axle of the present invention；
Fig. 5 is structural representation when ball seal face of the present invention is separated with sealing surface of seat；
Numeral and the corresponding component title represented by letter in figure：
10th, valve body 20, spheroid 21, spherical buffering projecting block 22, support shaft 23, Lower shaft sleeve 30, valve rod 31, bias
Wedge arm 32, stem guiding groove 40, valve seat 41, elastic groove 50, bonnet 60, handwheel devices 70, stud nut 80, winding
Pad 90, Upper shaft sleeve 100, pressing sleeve of valve seat 110, valve seat pad 120, holding screw 130, hardening coat 140, spacer pin
150th, guide finger 160, filler 170, filler pressing sleeve 180, hold-down grid 190, support 191, limited step.
Embodiment
In order that the technical means, the inventive features, the objects and the advantages of the present invention are easy to understand, tie below
Conjunction is specifically illustrating, and the present invention is expanded on further.
Referring to shown in Fig. 1 to Fig. 4, the invention discloses the high temperature orbit ball valve used in molecular sieve device, including valve
Body 10, spheroid 20, valve rod 30,40, valve, bonnet 50 and handwheel devices 60.
It is fixedly connected between bonnet 50 and valve body 10 by stud nut 70, bonnet 50 is twined with being provided with the sealing of valve body 10
Around pad 80；The middle part of valve rod 30 is arranged with Upper shaft sleeve 90；The present invention is using single valve seat split design, it is to avoid valve cavity buildup
Problem is raised with pressure anomaly, and the inwall of valve seat is provided with provided with high temperature soft graphite in elastic groove, elastic groove, in track
On the basis of ball valve forced seal structure, strengthen its two-way, elevated-temperature seal performance；Under high warm alternation operating mode, effectively offset
Spheroid, valve seat swell increment, realize sealing cut-out, keep long-term good sealing property；Pass through valve between valve seat 40 and valve body 10
Seat gland 100, valve seat pad 110 and holding screw 120 are installed, and are connected through a screw thread between pressing sleeve of valve seat 100 and valve body 10,
Line control valve seat pretension be may be implemented in than pressure, part maintenance or changed.
The upper surface that spheroid 20 is contacted with bonnet 50 is provided with spherical buffering projecting block 21, of spherical buffering projecting block 21
Number is not limited herein, and spherical buffering projecting block 21 is used to buffer lifting trend when valve rod 30 rises to spheroid 20, it is ensured that valve
The accuracy of door switching motion；The bottom of spheroid 20 is provided with support shaft 22, and support shaft 22 is arranged in valve body 10, in support shaft 22
Lower shaft sleeve 23 is arranged with, the outer surface of support shaft 22 is sphere, and the sealing sphere that spheroid 20 is contacted with valve seat 40 is provided with hardening
Coating 130, the sphere of support shaft 22 is provided with hardening coat 130, and hardening coat 130 effectively improves wearability, hardening coat tool
There is the attachment degree of more height, can effectively prevent high temperature deformation or abrasion from causing coating shedding；Furthermore, spheroid 20 of the present invention is threeway
Structure, favourable inner chamber flow of media removes buildup.
The lower end of valve rod 30 stress during valve opening and closing is maximum, therefore, and the lower end of valve rod 30 is eccentric wedge arm 31, eccentric
Connected between wedge arm 31 and spheroid 20 by spacer pin 140, eccentric wedge arm 31 is designed using eccentric, is conducive to its intensity, eccentric
Wedge arm 31 can also provide one to spheroid and act on the mechanical keys clamp force of valve seat to ensure lasting tight seal.
The upper end of valve rod 30 is provided with stem guiding groove 32, and stem guiding groove 32 is used for the rotation for realizing spheroid 20, and valve rod is led
It is that guide finger 150 is provided with S type stem guiding grooves, stem guiding groove 32 to groove 32；Its Position Design of stem guiding groove 32 is located at
At valve rod two in the middle part of the strong point (bearing and screw thread pair), valve rod is set to bear larger torque, guide-slot type stem structure of the present invention
The contact friction between spheroid, valve seat is eliminated, low torque operation is realized.
Above-mentioned guide finger 150, spacer pin 140 are made of steel alloy, and Surface hardened layer, improve wearability, and extension makes
Use the life-span.
The present invention is provided with stuffing-box between valve rod 30 and bonnet 50, and stuffing-box is by filler 160, filler pressing sleeve 170, filler
Pressing plate 180 is constituted, and hold-down grid 180 is arranged on bonnet 50 by stud nut 70, and hold-down grid 180 is used for filler pressing sleeve
170 and filler 160 be fixed, filler 160 is located at the top of Upper shaft sleeve 90.
High temperature orbit ball valve of the present invention also includes a support 190, and support 190 is arranged on the upper end of valve rod 30, support 190
Provided with limited step 191, limited step 191 can effectively prevent valve rod 30 from being blown out by pressure medium.
Shown in Figure 5, ball seal face uses self-cleaning structure with sealing surface of seat, will be revolved from valve seat when spheroid inclines
When turning, spheroid 20 keeps certain space with valve seat 40, and because spheroid is rotated, flow reduces, flow velocity increase, and medium can be close by spheroid
Debris on front cover washes away totally.
The present invention principle of start-stop be：Operating valve lever 30 rises (decline) and drives spheroid 20 to depart from by eccentric wedge arm 31
(extrusion) valve seat, continues to rise (decline) by 90 ° of the control spheroid 20 of stem guiding groove 32 rotation, realizes being opened without friction for valve
Open (closing).
High temperature orbit ball valve of the present invention is top unlatching, the fixed seat Shuttoff Valve of valve rod hoisting type；From profile and keying
It is similar with ordinary ball valve from the point of view of the shape of part, but its unique mechanical wedging type closing property so that the ball when valve rod declines
Body sealing surface closely presses together with sealing surface of seat, simple, effective motion mode, overcomes many of general ball valve
Shortcoming, has accomplished switching process without friction, zero leakage of shut-off, the harsh operating mode that its performance is particularly suitable in molecular sieve device will
Ask.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (8)
1. the high temperature orbit ball valve used in molecular sieve device, including valve body, spheroid, valve rod, valve seat, bonnet and handwheel dress
Put, be fixedly connected between bonnet and valve body by stud nut, Upper shaft sleeve is arranged with the middle part of valve rod, it is characterised in that；
The inwall of valve seat, which is provided with elastic groove, elastic groove, is provided with high temperature soft graphite；
The upper surface that spheroid is contacted with bonnet is provided with spherical buffering projecting block；
The lower end of valve rod is eccentric wedge arm, and spacing pin connection is passed through between eccentric wedge arm and spheroid；
The upper end of valve rod is provided with stem guiding groove, and stem guiding groove is used for the rotation for realizing spheroid, and stem guiding groove is S type valve rods
Guide finger is provided with guide groove, stem guiding groove.
2. the high temperature orbit ball valve according to claim 1 used in molecular sieve device, it is characterised in that valve seat and valve
Installed, be connected through a screw thread between pressing sleeve of valve seat and valve body by pressing sleeve of valve seat, valve seat pad and holding screw between body.
3. the high temperature orbit ball valve according to claim 1 used in molecular sieve device, it is characterised in that the bottom of spheroid
Portion is provided with support shaft, and support shaft is arranged in valve body, Lower shaft sleeve is arranged with support shaft, the outer surface of support shaft is sphere.
4. the high temperature orbit ball valve according to claim 3 used in molecular sieve device, it is characterised in that spheroid and valve
The tactile sealing sphere of seated connection is provided with hardening coat, and the sphere of support shaft is provided with hardening coat.
5. the high temperature orbit ball valve according to claim 1 used in molecular sieve device, it is characterised in that spheroid is three
Logical structure.
6. the high temperature orbit ball valve according to claim 1 used in molecular sieve device, it is characterised in that valve rod and valve
Stuffing-box is provided between lid, stuffing-box is made up of filler, filler pressing sleeve, hold-down grid, and hold-down grid is installed by stud nut
On bonnet, hold-down grid is used to filler pressing sleeve and filler is fixed, and filler is located above Upper shaft sleeve.
7. the high temperature orbit ball valve according to claim 1 used in molecular sieve device, it is characterised in that bonnet and valve
Spirotallic gasket is provided with the sealing of body.
8. the high temperature orbit ball valve according to claim 1 used in molecular sieve device, it is characterised in that high temperature track
Ball valve also includes a support, and support is arranged on the upper end of valve rod, and support is provided with limited step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710237133.4A CN106979352A (en) | 2017-04-12 | 2017-04-12 | The high temperature orbit ball valve used in molecular sieve device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710237133.4A CN106979352A (en) | 2017-04-12 | 2017-04-12 | The high temperature orbit ball valve used in molecular sieve device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106979352A true CN106979352A (en) | 2017-07-25 |
Family
ID=59344455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710237133.4A Pending CN106979352A (en) | 2017-04-12 | 2017-04-12 | The high temperature orbit ball valve used in molecular sieve device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106979352A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108825810A (en) * | 2018-07-10 | 2018-11-16 | 浙江福瑞科流控机械有限公司 | Adjustable three eccentricity one-way valve seat orbit ball valve and its working method |
| CN109780307A (en) * | 2019-01-16 | 2019-05-21 | 圣博莱阀门有限公司 | A kind of pneumatic rail ball valve with buffering hydraulic damping device |
| CN110259979A (en) * | 2019-05-29 | 2019-09-20 | 宁波联大塑料管件有限公司 | A kind of ball valve |
| CN113309871A (en) * | 2021-06-07 | 2021-08-27 | 自贡自高阀门有限公司 | Valve rod guide structure of forced sealing ball valve |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5263685A (en) * | 1992-07-13 | 1993-11-23 | Orbit Valve Company | Valve seat |
| US6378842B1 (en) * | 2000-07-20 | 2002-04-30 | Delaware Capital Formation, Inc. | V-ball control valve |
| CN201787120U (en) * | 2010-09-28 | 2011-04-06 | 浙江中德自控阀门有限公司 | High temperature ball valve packing seal structure |
| CN102261487B (en) * | 2011-05-07 | 2012-09-19 | 浙江万龙机械有限公司 | Valve rod lifting track ball valve |
| CN202691119U (en) * | 2012-07-12 | 2013-01-23 | 苏州道森阀门有限公司 | Adjustable type orbit ball valve |
| CN205479443U (en) * | 2016-01-22 | 2016-08-17 | 上海瑞托阀门科技有限公司 | Pneumatic ball valve that switches of molecular sieve dehydration |
| CN105972226A (en) * | 2016-06-29 | 2016-09-28 | 四川立地车辆底盘科技有限公司 | Rapid double-direction stop valve |
| CN207195713U (en) * | 2017-04-12 | 2018-04-06 | 圣博莱阀门有限公司 | The high temperature orbit ball valve used in molecular sieve device |
-
2017
- 2017-04-12 CN CN201710237133.4A patent/CN106979352A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5263685A (en) * | 1992-07-13 | 1993-11-23 | Orbit Valve Company | Valve seat |
| US6378842B1 (en) * | 2000-07-20 | 2002-04-30 | Delaware Capital Formation, Inc. | V-ball control valve |
| CN201787120U (en) * | 2010-09-28 | 2011-04-06 | 浙江中德自控阀门有限公司 | High temperature ball valve packing seal structure |
| CN102261487B (en) * | 2011-05-07 | 2012-09-19 | 浙江万龙机械有限公司 | Valve rod lifting track ball valve |
| CN202691119U (en) * | 2012-07-12 | 2013-01-23 | 苏州道森阀门有限公司 | Adjustable type orbit ball valve |
| CN205479443U (en) * | 2016-01-22 | 2016-08-17 | 上海瑞托阀门科技有限公司 | Pneumatic ball valve that switches of molecular sieve dehydration |
| CN105972226A (en) * | 2016-06-29 | 2016-09-28 | 四川立地车辆底盘科技有限公司 | Rapid double-direction stop valve |
| CN207195713U (en) * | 2017-04-12 | 2018-04-06 | 圣博莱阀门有限公司 | The high temperature orbit ball valve used in molecular sieve device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108825810A (en) * | 2018-07-10 | 2018-11-16 | 浙江福瑞科流控机械有限公司 | Adjustable three eccentricity one-way valve seat orbit ball valve and its working method |
| CN108825810B (en) * | 2018-07-10 | 2024-03-12 | 浙江福瑞科流控机械有限公司 | Adjustable three-eccentric one-way valve seat track ball valve and working method thereof |
| CN109780307A (en) * | 2019-01-16 | 2019-05-21 | 圣博莱阀门有限公司 | A kind of pneumatic rail ball valve with buffering hydraulic damping device |
| CN110259979A (en) * | 2019-05-29 | 2019-09-20 | 宁波联大塑料管件有限公司 | A kind of ball valve |
| CN113309871A (en) * | 2021-06-07 | 2021-08-27 | 自贡自高阀门有限公司 | Valve rod guide structure of forced sealing ball valve |
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Application publication date: 20170725 |
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