CN102606760A - Nuclear class I electric ball valve - Google Patents
Nuclear class I electric ball valve Download PDFInfo
- Publication number
- CN102606760A CN102606760A CN2010106111071A CN201010611107A CN102606760A CN 102606760 A CN102606760 A CN 102606760A CN 2010106111071 A CN2010106111071 A CN 2010106111071A CN 201010611107 A CN201010611107 A CN 201010611107A CN 102606760 A CN102606760 A CN 102606760A
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- valve
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- valve seat
- spheroid
- electric ball
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Abstract
The invention relates to a pipeline pressure element and specifically relates to a nuclear class I electric ball valve. The electric ball valve disclosed by the invention is composed of a ball body, a valve body, a valve, a valve cover, a valve seat, a valve rod and an electric device, wherein the ball body is placed in the valve body from the upper side of the valve of the valve body; the valve cover is arranged on the valve body; the valve body and the valve cover are connected by using bolts; and the valve cover and the electric device are connected through the valve rod. The electric ball valve disclosed by the invention is characterized in that: the valve seat is a sleeve type valve seat; the ball body is embedded in the center of the sleeve type valve seat; an inlet sealing structure is adopted between the ball body and the sleeve type valve seat; and a valve rod multiple sealing structure is adopted at the upper part of the sleeve type valve seat.
Description
Technical field
The present invention relates to a kind of pipeline pressure element, concretely, relate to examine the one-level electric ball valve.
Background technique
Conventional ball valve is made up of left valve barrel, bonnet, valve rod, right valve barrel, spheroid and bottom flange usually.Bonnet is connected with left valve barrel through the valve gap bolt; Connect with valve body bolt, nut between left valve barrel and the right valve barrel; Valve rod drives spheroid and rotates, the opening and closing of control ball valve.Valve can not on-line maintenance with change internals; Inside and outside sealing and valve opening and closing Location accuracy can not satisfy the requirement of nuclear one-level ball valve.
Summary of the invention
In order to solve the problems of the technologies described above, the purpose of this invention is to provide a kind of nuclear one-level electric ball valve.
The technological scheme that the present invention adopts is: the present invention is made up of spheroid, valve body, valve, valve gap, valve seat, valve rod, Electric actuator; The spheroid valve body of packing into from the valve of valve body top; It on the valve body valve gap; Connect with bolt between valve body and the valve gap, connect through valve rod between valve gap and the Electric actuator, it is characterized in that: valve seat is telescopic valve seat; Spheroid embeds telescopic centre, inlet seal structure between spheroid and the telescopic valve seat; The valve rod multi-sealing structure is installed on the top of telescopic valve seat.
Said valve seat construction is designed to telescopic, and adjustment ring that will be adjacent with valve seat during maintenance turns to its projection, the inserted valve seat end, and valve seat can be recessed spheroid, can spheroid be taken out and carry out the replacing and the maintenance of whole internals.
Said valve base sealing auxiliary material is selected comparatively advanced assorted naphthalene biphenyl polyether sulfone ketone for use, and assorted naphthalene biphenyl polyether sulfone ketone can continuous operation under 260 ℃ of conditions as high temperature, high pressure, corrosion resistant Sealing, and can bear the 25MPa high pressure, makes leak rate≤1X10 in it
-3Pam
3/ s
Said inlet seal structure is applied pressure to a plurality of cylindroid helicalcoil compression springs of valve seat shoulder and forms by being placed in by sealing pretension specific pressure in the spring retaining ring.
Said valve rod multi-sealing structure; Through reverse soft seal, add " O " type circle, prevent leaking outside of valve rod place with the filler acting in conjunction; Inserting the filler spacer ring in the middle of the filler up and down; Draw neglected loading in the middle of being provided with and put, the medium that leaks into Stuffing box is released to the safety zone through filler spacer ring place, also available it discharge the pressure that increases in the valve gap; The belleville spring group compresses Gland, makes the filler impacting force keep substantially constant; Make its outer leak rate≤1X10
-6Pam
3/ s
Double positioning structure is adopted in said spheroid opening and closing, and limit position part is set in Electric actuator, and the support place is provided with limiting board.
Said nuclear one-level electric ball valve adopts the fixed type ball valve arrangement, to reduce moment of rotation; Spheroid spare through hole keeps coaxial with internal diameter of the pipeline is strict during unlatching.
Described nuclear one-level electric ball valve adopts the all-pass gauge structure, guarantees that its runner hole reaches predetermined requirement.
The invention has the advantages that:
Nuclear one-level electric ball valve adopts the fixing dress formula structure that goes up, and need not cut coupled pipeline can carry out demolition and replacement to easily damaged parts; It adopts dress formula structure, and need not cut coupled pipeline can carry out demolition and replacement to easily damaged parts; Valve adopts the solid forging structure, and wall thickness is even, and in use the valve anti-fatigue performance is good, and non-deformability is strong; Adopt the fixed type ball valve arrangement, to reduce moment of rotation; Require the strict maintenance of spheroid spare through hole and internal diameter of the pipeline coaxial during unlatching; Valve rod adopts " multiple axle envelope " structure; It opens and closes the multiple position structure of employing spheroid; Seat design is telescopic, and the spacer adjacent with valve seat can turn to the room of its projection inserted valve seat shoulder, and valve seat is recessed spheroid can be with spheroid by taking out in the valve body; " sealing pair " is the inlet seal structure, and sealing pretension specific pressure applies pressure to a plurality of cylindroid helicalcoil compression springs of valve seat shoulder and forms by being placed in the spring retaining ring; Adopt " soft seal formula " valve base sealing structure, guarantee its leakage≤1X10 under the helium condition
-3Pam
3/ s.Nuclear one-level electric ball valve is convenient to online dismounting, maintenance and replacing easily worn part, can carry out the replacing and the maintenance of the whole internals of valve; Guarantee its external leakage≤1X10 under the helium condition
-6Pam
3/ s, interior leak rate≤1X10
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3/ s is guaranteed its reliability, applicability, Economy.
Description of drawings
Fig. 1 is a nuclear one-level electric ball valve structural representation.
Fig. 2 is that the drain formation schematic representation is drawn in valve rod multi-sealing structure and centre.
The telescopic valve seat construction schematic representation of Fig. 3.
Embodiment
Fig. 1, Fig. 2, reference character shown in Figure 3 are following: spheroid 1, valve body 2, valve 3, valve gap 4, valve seat 5, valve rod 6, Electric actuator 7, " O " type circle 8, go up filler 9, down filler 10, centre draw that neglected loading puts 11, limiting board 12, support 13, spring 14.
Nuclear one-level electric ball valve is made up of spheroid 1, valve body 2, valve 3, valve gap 4, valve seat 5, valve rod 6, Electric actuator 7; Spheroid 1 valve body 2 of packing into from valve 3 tops of valve body 2; It on the valve body 2 valve gap 4; Connect with bolt between valve body 2 and the valve gap 4, connect through valve rod 6 between valve gap 4 and the Electric actuator 7, valve seat 5 is telescopic valve seat 5; Spheroid 1 embeds telescopic valve seat 5 centers, inlet seal structure between spheroid 1 and the telescopic valve seat 5; Valve rod 6 multi-sealing structures are installed on the top of telescopic valve seat 5.Working method is: Electric actuator 7 actuate valve stem 6 drive spheroid 1 rotation, thereby realize the opening and closing of valve 3.
Said valve seat 5 structural designs are telescopic, will turn to its projection with valve seat 5 adjacent adjustment rings during maintenance, inserted valve seat 5 ends, and valve seat 5 can be recessed spheroid 1, can spheroid 1 be taken out and carry out the replacing and the maintenance of whole internals.
The assorted naphthalene biphenyl polyether sulfone ketone that said valve seat 5 sealing pair material selections are comparatively advanced, assorted naphthalene biphenyl polyether sulfone ketone can continuous operation under 260 ℃ of conditions as high temperature, high pressure, corrosion resistant Sealing, and can bear the 25MPa high pressure, makes leak rate≤1X10 in it
-3Pam
3/ s
Said inlet seal structure is applied pressure to a plurality of cylindroid helicalcoil compression springs of valve seat shoulder and forms by being placed in by sealing pretension specific pressure in spring 14 retaining rings.
Said valve rod 6 multi-sealing structures; Through reverse soft seal, add " O " type circle 8, prevent leaking outside of valve rod 6 places with the filler acting in conjunction; At last filler 9 and the following filler 10 middle filler spacer rings that insert; Draw neglected loading in the middle of being provided with and put 11, the medium that leaks into Stuffing box is released to the safety zone through filler spacer ring place, also available it discharge the pressure that increases in the valve gap 4; The belleville spring group compresses Gland, makes the filler impacting force keep substantially constant; Make its outer leak rate≤1X10
-6Pam
3/ s
Double positioning structure is adopted in said spheroid 1 opening and closing, in Electric actuator 7, limit position part is set, and support 13 places are provided with limiting board 12.
Said nuclear one-level electric ball valve adopts the fixed type ball valve arrangement, to reduce moment of rotation; 1 through hole of spheroid keeps coaxial with internal diameter of the pipeline is strict during unlatching.
Described nuclear one-level electric ball valve adopts the all-pass gauge structure, guarantees that its runner hole reaches predetermined requirement.
Claims (8)
1. nuclear one-level electric ball valve is characterized in that: be made up of spheroid (1), valve body (2), valve (3), valve gap (4), valve seat (5), valve rod (6), Electric actuator (7); Spheroid (1) valve body (2) of packing into from the valve (4) of valve body (2) top; On the valve body (2) valve gap (4); Connect with bolt between valve body (2) and the valve gap (4), connect through valve rod (6) between valve gap (4) and the Electric actuator (7), it is characterized in that: valve seat (5) is a telescopic valve seat (5); Spheroid (1) embeds telescopic valve seat (5) center, inlet seal structure between spheroid (1) and the telescopic valve seat (5); Valve rod (6) multi-sealing structure is installed on the top of telescopic valve seat (5).
2. nuclear one-level electric ball valve according to claim 1; It is characterized in that: said valve seat (5) structural design is telescopic; During maintenance the adjustment ring adjacent with valve seat (5) turned to its projection; Inserted valve seat (5) end, valve seat (5) can be recessed spheroid (1), can spheroid (1) be taken out and carry out the replacing and the maintenance of whole internals.
3. nuclear one-level electric ball valve according to claim 1; It is characterized in that: the assorted naphthalene biphenyl polyether sulfone ketone that said valve seat (5) sealing pair material selection is comparatively advanced; Assorted naphthalene biphenyl polyether sulfone ketone can continuous operation under 260 ℃ of conditions as high temperature, high pressure, corrosion resistant Sealing; And can bear the 25MPa high pressure, make leak rate≤1X10 in it
-3Pam
3/ s
4. nuclear one-level electric ball valve according to claim 1 is characterized in that: said inlet seal structure is applied pressure to a plurality of cylindroid helicalcoil compression springs of valve seat shoulder and forms by being placed in by sealing pretension specific pressure in the spring retaining ring.
5. nuclear one-level electric ball valve according to claim 1 is characterized in that: said valve rod multi-sealing structure, through reverse soft seal; Add " O " type circle (8); Prevent leaking outside of valve rod place with the filler acting in conjunction, in the middle of last filler (9) and following filler (10), insert the filler spacer ring, draw neglected loading in the middle of being provided with and put (11); The medium that leaks into Stuffing box is released to the safety zone through filler spacer ring place, also available it discharge the pressure that increases in the valve gap (4); The belleville spring group compresses Gland, makes the filler impacting force keep substantially constant; Make its outer leak rate≤1X10
-6Pam
3/ s
6. nuclear one-level electric ball valve according to claim 1 is characterized in that: double positioning structure is adopted in said spheroid (1) opening and closing, in Electric actuator (7), limit position part is set, and support (13) locates to be provided with limiting board (12).
7. nuclear one-level electric ball valve according to claim 1 is characterized in that: said nuclear one-level electric ball valve adopts the fixed type ball valve arrangement, to reduce moment of rotation; Spheroid spare through hole keeps coaxial with internal diameter of the pipeline is strict during unlatching.
8. nuclear one-level electric ball valve according to claim 1 is characterized in that: described nuclear one-level electric ball valve adopts the all-pass gauge structure, guarantees that its runner hole reaches predetermined requirement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106111071A CN102606760A (en) | 2010-12-29 | 2010-12-29 | Nuclear class I electric ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106111071A CN102606760A (en) | 2010-12-29 | 2010-12-29 | Nuclear class I electric ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102606760A true CN102606760A (en) | 2012-07-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010106111071A Pending CN102606760A (en) | 2010-12-29 | 2010-12-29 | Nuclear class I electric ball valve |
Country Status (1)
| Country | Link |
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| CN (1) | CN102606760A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103470804A (en) * | 2013-09-23 | 2013-12-25 | 清华大学 | Safety level electric ball valve |
| CN103470803A (en) * | 2013-09-23 | 2013-12-25 | 清华大学 | Electric ball valve applied to high-temperature gas cooled reactor |
| CN104482240A (en) * | 2014-11-24 | 2015-04-01 | 大连大高阀门股份有限公司 | Nuclear-grade electric ball valve connected with magnetic driver |
| CN105020427A (en) * | 2015-06-26 | 2015-11-04 | 大连大高阀门股份有限公司 | Large-diameter top-mounted ultra-low temperature ball valve |
| CN108591601A (en) * | 2018-07-06 | 2018-09-28 | 安徽姆大陆科技发展有限公司 | A kind of quick-installed bellows ball valve |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0326844A2 (en) * | 1988-02-05 | 1989-08-09 | Metalpraecis Berchem + Schaberg Gesellschaft Für Metallformgebung Mit Beschränkter Haftung | Shut-off or control valve |
| US20030205282A1 (en) * | 2002-05-01 | 2003-11-06 | Dahl Brothers Canada Limited | Field configurable shut-off valve |
| JP2006177395A (en) * | 2004-12-21 | 2006-07-06 | Asahi Organic Chem Ind Co Ltd | Ball valve |
| CN2926697Y (en) * | 2006-07-07 | 2007-07-25 | 陈蕾 | Convientlly-disassembled connected electric spherical valve |
| CN201306465Y (en) * | 2008-10-30 | 2009-09-09 | 大连大高阀门有限公司 | Up-loading ball valve of handling system for high temperature gas cooled reactor fuel at first nuclear level. |
| CN201437852U (en) * | 2009-05-19 | 2010-04-14 | 中核苏阀科技实业股份有限公司 | Top entry type pneumatic ball valve |
| CN201621318U (en) * | 2010-03-29 | 2010-11-03 | 广东明珠流体机械有限公司 | Ultra-short full bore ball valve |
| CN101893110A (en) * | 2009-05-19 | 2010-11-24 | 中核苏阀科技实业股份有限公司 | Top entry inclined pneumatic ball valve |
-
2010
- 2010-12-29 CN CN2010106111071A patent/CN102606760A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0326844A2 (en) * | 1988-02-05 | 1989-08-09 | Metalpraecis Berchem + Schaberg Gesellschaft Für Metallformgebung Mit Beschränkter Haftung | Shut-off or control valve |
| US20030205282A1 (en) * | 2002-05-01 | 2003-11-06 | Dahl Brothers Canada Limited | Field configurable shut-off valve |
| JP2006177395A (en) * | 2004-12-21 | 2006-07-06 | Asahi Organic Chem Ind Co Ltd | Ball valve |
| CN2926697Y (en) * | 2006-07-07 | 2007-07-25 | 陈蕾 | Convientlly-disassembled connected electric spherical valve |
| CN201306465Y (en) * | 2008-10-30 | 2009-09-09 | 大连大高阀门有限公司 | Up-loading ball valve of handling system for high temperature gas cooled reactor fuel at first nuclear level. |
| CN201437852U (en) * | 2009-05-19 | 2010-04-14 | 中核苏阀科技实业股份有限公司 | Top entry type pneumatic ball valve |
| CN101893110A (en) * | 2009-05-19 | 2010-11-24 | 中核苏阀科技实业股份有限公司 | Top entry inclined pneumatic ball valve |
| CN201621318U (en) * | 2010-03-29 | 2010-11-03 | 广东明珠流体机械有限公司 | Ultra-short full bore ball valve |
Non-Patent Citations (1)
| Title |
|---|
| 蹇锡高等: "《新型杂环高性能工程塑料研究进展》", 《中国工程院化工、冶金与材料工程学部第五届学术会议论文集》, 30 November 2005 (2005-11-30), pages 681 - 685 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103470804A (en) * | 2013-09-23 | 2013-12-25 | 清华大学 | Safety level electric ball valve |
| CN103470803A (en) * | 2013-09-23 | 2013-12-25 | 清华大学 | Electric ball valve applied to high-temperature gas cooled reactor |
| CN104482240A (en) * | 2014-11-24 | 2015-04-01 | 大连大高阀门股份有限公司 | Nuclear-grade electric ball valve connected with magnetic driver |
| CN105020427A (en) * | 2015-06-26 | 2015-11-04 | 大连大高阀门股份有限公司 | Large-diameter top-mounted ultra-low temperature ball valve |
| CN108591601A (en) * | 2018-07-06 | 2018-09-28 | 安徽姆大陆科技发展有限公司 | A kind of quick-installed bellows ball valve |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: Ganjingzi District of Dalian City, Liaoning province 116037 Yaojia Road No. 272 Applicant after: Dalian DV Valve Co., Ltd. Address before: Ganjingzi District of Dalian City, Liaoning province 116037 Yaojia Road No. 272 Applicant before: Dalian DV Valve Co., Ltd. |
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| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: DALIAN DAGAO VALVE CO., LTD. TO: DALIAN DV VALVE CO., LTD. |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120725 |