CN105134970A - Large-diameter high-temperature and high-pressure cage type control valve - Google Patents
Large-diameter high-temperature and high-pressure cage type control valve Download PDFInfo
- Publication number
- CN105134970A CN105134970A CN201510550416.5A CN201510550416A CN105134970A CN 105134970 A CN105134970 A CN 105134970A CN 201510550416 A CN201510550416 A CN 201510550416A CN 105134970 A CN105134970 A CN 105134970A
- Authority
- CN
- China
- Prior art keywords
- valve
- spool
- sealing
- sleeve
- lower sleeve
- 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
Links
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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
-
- 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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
-
- 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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/46—Attachment of sealing rings
- F16K1/465—Attachment of sealing rings to the valve seats
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Temperature-Responsive Valves (AREA)
- Safety Valves (AREA)
Abstract
The invention provides a large-diameter high-temperature and high-pressure cage type control valve. An upper sleeve and a lower sleeve are coaxially arranged in an upper cavity of a valve body, and a valve element is driven by a valve rod to move up and down in the upper sleeve and the lower sleeve. A lower valve seat which is in seal fit with the valve element is arranged in a middle cavity of the valve body. The upper end of the valve element is sleeved with upper valve seat, and sealing rings are arranged between the upper valve seat and the valve element. A pressing plate is further arranged at the upper end of the valve element and arranged above the upper valve seat. The pressing plate and the upper valve seat are connected through springs, and the inner side of the upper end of the lower sleeve and the outer side of the lower end of the upper valve seat are provided with sealing slopes which are matched with each other. A sealing structure is divided into an upper part and a lower part, wherein the upper part forms a sealing structure body with the lower sleeve through the pressing plate, the upper valve seat and the springs. The sealing position of the upper part is adjusted by the aid of the pretightening force of the springs, the upper sealing part is made to automatically adjust the matching degree of overall sealing, and it is guaranteed that the upper sealing structure body and a lower sealing structure body can achieve sealing simultaneously. The problem that the upper part and the lower part cannot be sealed simultaneously due to low machining precision is solved, the sealing performance is improved, and sealing can reach V-degree leakage.
Description
Technical field
The present invention relates to a kind of modulating valve, particularly be heavy-caliber high-temperature high pressure sleeve adjusting valve.
Background technique
At present, in the industry production such as oil, chemical industry technique, modulating valve plays a very important role, and the sealability of modulating valve will directly affect the using effect of whole pipe control system.Particularly to the adjustment of heavy caliber, high flow capacity operating mode, existing product can only select butterfly valve or other large-caliber product to carry out simply rough adjustment, and when degree of regulation requires high, existing substitute products cannot meet field requirement.
The hard sealing structure of the sleeve adjusting valve of two-seater adopts upper and lower split valve seat mode, this structural requirement machining accuracy is high, during assembling, upper and lower valve seat and the upper and lower sealing surface of spool are difficult to reach fitted seal simultaneously, cause its sealing rank deficient high (only reaching GB GB/T4213-2008 III grade), often can not meet the seal request of heavy caliber, high flow capacity operating mode, there is certain potential safety hazard.
Summary of the invention
In view of the technical problem existed in background technique, technical problem solved by the invention aims to provide a kind of heavy-caliber high-temperature high pressure sleeve adjusting valve of brand-new sealing configuration.
For solving the problems of the technologies described above, the present invention adopts following technological scheme: heavy-caliber high-temperature high pressure sleeve adjusting valve, comprise valve body, bonnet parts, spool and valve rod, epicoele is formed in described valve body, lumen and cavity of resorption, it is characterized in that: in described valve body epicoele, be coaxially arranged with upper bush and lower sleeve, spool is driven by valve rod and moves up and down in upper bush and lower sleeve, valve body lumen place arranges the lower valve base coordinated with seal spool, the upper end of spool is arranged with upper valve base, seal ring is provided with between upper valve base and spool, described spool upper end is also provided with platen, this platen is positioned at above upper valve base, be connected by spring between platen with upper valve base, inside the upper end of described lower sleeve, place and upper valve base lower end outside place have the sealing inclined-plane cooperatively interacting and seal respectively.
Lower sleeve is arranged flow window.
The upper end of described lower sleeve offers groove, and the lower end of described upper bush is provided with raised line, and groove and raised line match and assemble, and are provided with gasket seal between groove and raised line.
Described groove is toroidal cavity, and described raised line is ring raised line.
Described upper valve base is slidably located on the connection guide pillar of spool upper end.
Described spool external diameter and lower sleeve internal diameter Spielpassung, spool upper end is the connection guide pillar that external diameter diminishes.
Beneficial effect of the present invention is, sealing configuration between spool and valve body is divided into upper and lower two-part by heavy-caliber high-temperature high pressure sleeve adjusting valve of the present invention, upper part sealing configuration forms with lower sleeve the sealing configuration coordinated by platen, upper valve base, spring, use the pretightening force of spring to adjust the position of upper part sealing, enable sealing automatically regulate the Percent of contact area of integral sealing, ensure that upper and lower two sealing configurations can reach sealing simultaneously.This not only solves because machining accuracy is not high, causes upper valve base and lower sleeve, and lower valve base and valve core sealed cover are difficult to the problem simultaneously sealed, and improves the sealability of modulating valve, and sealing can reach V level and leak, and improves its Safety performance.Therefore, the present invention compared with prior art has outstanding substantive distinguishing features and significant progress.
Accompanying drawing explanation
Details and the working principle of embodiments of the present invention and embodiment are described below in conjunction with accompanying drawing.
Fig. 1 is the structural representation of heavy-caliber high-temperature high pressure sleeve adjusting valve of the present invention.
Fig. 2 is the structural representation of spool part in heavy-caliber high-temperature high pressure sleeve adjusting valve of the present invention.
Embodiment
See accompanying drawing, present embodiment Large diameter High Temperature High Pressure sleeve adjusting valve, comprise valve body 101, bonnet parts, spool 103 and valve rod 407, the bonnet 105 of bonnet parts is connected by stud 602, nut 601, and spirotallic gasket 204 is set in joint, form epicoele, lumen and cavity of resorption in valve body 101.Upper bush 104 and lower sleeve 202 is coaxially arranged with in valve body 101 epicoele, spool 103 is driven by valve rod 107 and moves up and down in upper bush 104 and lower sleeve 202, lower sleeve has flow window, spool 101 external diameter and lower sleeve 202 internal diameter Spielpassung, spool will regulate the size with the orifice size of flow window in the process moved up and down, and spool upper end is the connection guide pillar that external diameter diminishes.The upper end of lower sleeve offers groove, and the lower end of upper bush is provided with raised line, and match assembling and the contraposition of groove and raised line is installed, and arrange gasket seal 203 between groove and raised line, groove can be arranged to toroidal cavity, and raised line can be arranged to ring raised line.
Heavy-caliber high-temperature high pressure sleeve adjusting valve has upper and lower two-part sealing configuration.The sealing configuration of lower part is the sealing configuration that spool and lower valve base place are formed, can the lower valve base 102 coordinated with seal spool be set at valve body 101 lumen place, there is between lower valve base 102 and valve body 101 spirotallic gasket 201, spool and lower valve base will be made to seal when valve rod drives spool 103 to move down.The sealing configuration of upper part is the sealing configuration that upper valve base and lower sleeve place are formed, upper valve base 403 will be set in the upper end of spool 103, can upper valve base 403 be slidably located on the connection guide pillar of spool upper end, seal ring 402(is established such as to adopt star to enclose between upper valve base and spool), spool 103 upper end also arranges platen (platen 405 can be contained on spool 401 by screw 406), this platen 405 is positioned at above upper valve base 403, be connected by spring 404 between platen with upper valve base, inside the upper end of lower sleeve, place and upper valve base lower end outside place have the sealing inclined-plane cooperatively interacting and seal respectively.Different according to the pressure used in field pipes operating mode, quantity and the pretightening force that can adjust spring 404 meet sealing class requirement.MEDIA FLOW no matter in this modulating valve is to being upper entering and lower leaving or bottom in and top out (epicoele, cavity of resorption communicate with inlet channel, outlet flow), its sealability can reach GB/T4213-2008 hydraulic pressure V level and leak requirement, that is: it seals grade firmly by GB/T4213-2008 requirement, reaches V level leak at 0.28MPa hydraulic pressure lower seal.
See accompanying drawing, spool outer side surface is cylindrical outer side surface, and its upper end, for connecting guide pillar (being cylindrical body in the present embodiment), connects above guide pillar and can also arrange disk for the sheathed installation of platen.The internal diameter of upper bush is greater than the internal diameter of lower sleeve, spool outer side surface and lower sleeve Spielpassung, upper valve base is that annular sleeve is located on connection guide pillar, inside the upper end of lower sleeve, place and upper valve base lower end outside place have the sealing inclined-plane cooperatively interacting and seal respectively, therefore two sealing inclined-planes are relative up and down, and the sealing inclined of upper valve base is towards exceeding spool cylindrical outer side surface outward.
The working principle of heavy-caliber high-temperature high pressure sleeve adjusting valve is, valve rod band movable valve plug declines and spool and lower valve base is sealed, reach the sealing of lower part sealing configuration, simultaneously the upper valve base of upper part sealing configuration under initial tension of spring is effect also will with lower sleeve fitted seal, reach upper and lower two sealing configurations to seal simultaneously, solve because machining accuracy is not high, cause upper valve base and lower sleeve, lower valve base and valve core sealed cover are difficult to the problem simultaneously sealed, and improve the sealability of modulating valve, sealing can reach V level and leak, and improves its Safety performance.
Claims (5)
1. heavy-caliber high-temperature high pressure sleeve adjusting valve, comprise valve body (101), bonnet parts, spool (103) and valve rod (407), epicoele is formed in described valve body (101), lumen and cavity of resorption, it is characterized in that: in described valve body (101) epicoele, be coaxially arranged with upper bush (104) and lower sleeve (202), spool (103) is driven by valve rod (407) and moves up and down in upper bush and lower sleeve, valve body (101) lumen place arranges the lower valve base (102) coordinated with seal spool, the upper end of spool is arranged with upper valve base (403), seal ring (402) is provided with between upper valve base and spool, described spool upper end is also provided with platen (405), this platen is positioned at above upper valve base, be connected by spring (404) between platen with upper valve base, inside the upper end of described lower sleeve, place and upper valve base lower end outside place have the sealing inclined-plane cooperatively interacting and seal respectively.
2. heavy-caliber high-temperature high pressure sleeve adjusting valve as claimed in claim 1, is characterized in that: lower sleeve is arranged flow window.
3. heavy-caliber high-temperature high pressure sleeve adjusting valve as claimed in claim 1, it is characterized in that: the upper end of described lower sleeve offers groove, the lower end of described upper bush is provided with raised line, and groove and raised line match and assemble, and are provided with gasket seal between groove and raised line.
4. heavy-caliber high-temperature high pressure sleeve adjusting valve as claimed in claim 3, it is characterized in that: described groove is toroidal cavity, described raised line is ring raised line.
5. heavy-caliber high-temperature high pressure sleeve adjusting valve as claimed in claim 1, it is characterized in that: described spool and lower sleeve Spielpassung, spool upper end is the connection guide pillar that external diameter diminishes, and described upper valve base is slidably located on the connection guide pillar of spool upper end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510550416.5A CN105134970A (en) | 2015-09-01 | 2015-09-01 | Large-diameter high-temperature and high-pressure cage type control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510550416.5A CN105134970A (en) | 2015-09-01 | 2015-09-01 | Large-diameter high-temperature and high-pressure cage type control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105134970A true CN105134970A (en) | 2015-12-09 |
Family
ID=54720444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510550416.5A Pending CN105134970A (en) | 2015-09-01 | 2015-09-01 | Large-diameter high-temperature and high-pressure cage type control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105134970A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109296763A (en) * | 2017-07-24 | 2019-02-01 | 费希尔控制产品国际有限公司 | Seal assembly for fluid valve |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202001646U (en) * | 2011-01-21 | 2011-10-05 | 杭州佳能阀门有限公司 | Cage type regulating valve with single seat |
| CN203516811U (en) * | 2013-10-09 | 2014-04-02 | 浙江力诺流体控制科技股份有限公司 | Spring-type sleeve double-base regulating valve |
| CN203926966U (en) * | 2014-07-03 | 2014-11-05 | 大连亨利测控仪表工程有限公司 | Heavy caliber core bar integral type modulating valve |
-
2015
- 2015-09-01 CN CN201510550416.5A patent/CN105134970A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202001646U (en) * | 2011-01-21 | 2011-10-05 | 杭州佳能阀门有限公司 | Cage type regulating valve with single seat |
| CN203516811U (en) * | 2013-10-09 | 2014-04-02 | 浙江力诺流体控制科技股份有限公司 | Spring-type sleeve double-base regulating valve |
| CN203926966U (en) * | 2014-07-03 | 2014-11-05 | 大连亨利测控仪表工程有限公司 | Heavy caliber core bar integral type modulating valve |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109296763A (en) * | 2017-07-24 | 2019-02-01 | 费希尔控制产品国际有限公司 | Seal assembly for fluid valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202531869U (en) | Flexible-seal dual-valve-seat plunger adjusting valve | |
| CN103821981A (en) | Self-operated internal pressure collecting type adjusting valve | |
| CN103821980A (en) | Bellows-balance self-operated inner pressure measurement type regulating valve | |
| CN203374844U (en) | Adjusting valve | |
| CA2512994A1 (en) | Bushing-less stem guided control valve | |
| CN105134970A (en) | Large-diameter high-temperature and high-pressure cage type control valve | |
| CN202158200U (en) | Strong corrosion resistant single-seat adjusting valve | |
| CN205780952U (en) | Split type sleeve control valve | |
| CN104676012A (en) | Bilateral balanced sealing ring component for sleeve valve | |
| CN109751426B (en) | Dynamic flow balance valve | |
| CN203797024U (en) | Split corrugated pipe ball valve | |
| CN203926966U (en) | Heavy caliber core bar integral type modulating valve | |
| CN211715800U (en) | Straight-through regulating valve internal part capable of being tightly shut off under particle working condition | |
| CN205190883U (en) | High pressure plate valve | |
| CN203516830U (en) | High-pressure balanced type three-way control valve | |
| CN203757111U (en) | Balanced self-reliance internal pressure tapping type regulating valve of corrugated pipe | |
| CN103335129B (en) | High-temp and-pressure ball valve | |
| CN204186365U (en) | A kind of sealing system of adjustable concentric roater regulator | |
| CN203628011U (en) | Out-leakage-preventing self-sealing valve | |
| CN203516772U (en) | Zero-leakage regulating valve | |
| CN206257324U (en) | A kind of valve for pressure difference | |
| CN111963733A (en) | Double-sealing combined valve | |
| CN203670878U (en) | Novel externally-controlled seal ball valve | |
| CN201269071Y (en) | Novel pressure balance control apparatus for operation under pressure | |
| CN204610847U (en) | The bidirectional balanced ring assembly of telescoping valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151209 |