CN105257893A - High-temperature molten salt dissection ball valve - Google Patents
High-temperature molten salt dissection ball valve Download PDFInfo
- Publication number
- CN105257893A CN105257893A CN201510759332.2A CN201510759332A CN105257893A CN 105257893 A CN105257893 A CN 105257893A CN 201510759332 A CN201510759332 A CN 201510759332A CN 105257893 A CN105257893 A CN 105257893A
- Authority
- CN
- China
- Prior art keywords
- valve
- gap
- ball
- pneumatic actuator
- valve seat
- 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.)
- Granted
Links
- 150000003839 salts Chemical class 0.000 title claims abstract description 17
- 238000002224 dissection Methods 0.000 title abstract 3
- 210000004907 gland Anatomy 0.000 claims abstract description 18
- 238000007789 sealing Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 5
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 4
- 230000007812 deficiency Effects 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Classifications
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- 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
-
- 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
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
- F16K37/0083—For recording or indicating the functioning of a valve in combination with test equipment by measuring valve parameters
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- 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
- F16K49/00—Means in or on valves for heating or cooling
- F16K49/002—Electric heating 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
- F16K5/0605—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 with particular plug arrangements, e.g. particular shape or built-in 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
- F16K5/08—Details
- F16K5/14—Special arrangements for separating the sealing faces or for pressing them together
- F16K5/20—Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces
- F16K5/201—Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces with the housing or parts of the housing mechanically pressing the seal against the plug
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Driven Valves (AREA)
- Valve Housings (AREA)
- Taps Or Cocks (AREA)
- Details Of Valves (AREA)
Abstract
The invention discloses a high-temperature molten salt dissection ball valve. The valve comprises a valve body, a valve cover, a valve rod, an eccentric valve ball, a valve base and a pneumatic execution mechanism, wherein a bracket is arranged between the pneumatic execution mechanism and the valve cover; a torque sensor is fixed on the bracket; a pressure adjusting valve is fixed in an air source inlet of the pneumatic execution mechanism; a temperature sensor is arranged in the valve cover; a controller is fixed on the pneumatic execution mechanism, and is respectively connected with the torque sensor and the temperature sensor through cables; the valve base is tightly connected with the inner wall surface of the valve body through a sealing ring; a thread valve base gland is arranged outside the valve base; a first high-temperature resistant disc spring is arranged between the thread valve base gland and the valve base; a gap is left between the inner end of the first high-temperature resistant disc spring and the valve base; and a gap is left between the outer end of the first high-temperature resistant disc spring and the thread valve base gland. The high-temperature molten salt dissection ball valve is reasonable in structural design, simple in structure, convenient for operation, reliable in opening and closing work and excellent in safety.
Description
Technical field
The present invention relates to ball valve technical field, be specifically related to a kind of high-temperature molten salt segment ball valve.
Background technique
Photothermal power generation is a kind of novel energy industry; the fused salt high temperature cut-off valve often used; but; existing high-temperature molten salt segment ball-valve structure arranges unreasonable; because temperature is high, fused salt low temperature can solidify, and High temperature valve is because difference variation is large simultaneously; often there will be pass not dead, close problems such as not opening in the dust.
Summary of the invention
For the deficiency that prior art exists, the object of the present invention is to provide a kind of reasonable in design, structure simple, easy to operate, open and close reliable operation, high-temperature molten salt segment ball valve that Security is good.
For achieving the above object, the invention provides following technological scheme: a kind of high-temperature molten salt segment ball valve, comprise valve body, valve gap, valve rod, eccentric valve ball, valve seat and pneumatic actuator, described eccentric valve ball and valve seat are arranged in the cavity of valve body, described valve rod upper end is connected with pneumatic actuator, valve rod lower end is connected with eccentric valve ball through valve gap, support is provided with between described pneumatic actuator and valve gap, described pedestal lower end is connected with valve gap upper end, pedestal upper end is connected with pneumatic actuator, described support is fixedly installed torque transducer, the gas source inlet place of described pneumatic actuator is fixedly installed pressure regulator valve, the output torque of pneumatic actuator is controlled by pressure regulator valve adjustment suction pressure, the inside of described valve gap is provided with temperature transducer, described pneumatic actuator is fixedly installed controller, described controller is provided with some cables, controller is connected with torque transducer and temperature transducer respectively by cable, described valve seat is provided with seal ring, described valve seat is tightly connected by seal ring and valve interior wall face, described valve seat is outside equipped with screw thread valve seat gland, described screw thread valve seat gland is threaded with valve interior wall face, the first high temperature resistant disc spring is provided with between screw thread valve seat gland and valve seat, and the first high temperature resistant disc spring is inner and leave gap between valve seat, gap is left between first high temperature resistant disc spring outer end and screw thread valve seat gland.
By adopting technique scheme, controlled the output torque of pneumatic actuator by pressure regulator valve adjustment suction pressure; The signal of temperature transducer and torque transducer receives the controller be arranged on pneumatic actuator by cable, can the output torque of temperature in the middle part of tracking and monitoring valve rod and pneumatic actuator, change suction pressure in conjunction with pressure regulator valve and guarantee that the closedown moment of valve is suitable, simultaneous temperature meets working condition requirement; And the first high temperature resistant disc spring is inner and leave gap between valve seat, leaves gap between the first high temperature resistant disc spring outer end and screw thread valve seat gland, under guaranteeing the condition of the effect of expanding with heat and contract with cold that valve causes in high/low temperature change, valve can not be swollen dead or stuck.Reasonable in design, structure be simple, easy to operate, open and close reliable operation, Security is good.
The present invention is set to further: described valve gap is fixedly installed electric heat tracing device.By this setting, electric heat tracing device has the effect protecting mild heat, can reduce heat-energy losses, and electric heat tracing device can heat up by electrified regulation when heat energy deficiency simultaneously, guarantees that the temperature at valve gap position meets technological requirement.
The present invention is also set to further: be provided with connecting stud between described valve gap lower end and valve body upper end, described connecting stud is provided with the second high temperature resistant disc spring and nut, described nut is threaded with connecting stud, and makes the second high temperature resistant disc spring pressing valve gap by tightening nut.By this setting, can the pretension sealing force of seal ring between dynamic compensation valve gap and valve body.
The present invention is also set to further: described eccentric valve ball is semiglobe, and eccentric valve ball back is welded with semicircular stiffening rib.By this setting, greatly enhance rigidity, and save material, reduce manufacture cost.
The present invention is also set to further: described controller is provided with display screen.By this setting, vibrational power flow is more reasonable, uses convenient.
The present invention is also set to further: be bolted bottom pedestal upper end and pneumatic actuator, and pedestal lower end and valve gap upper end are bolted.By this setting, support connects reliable.
Advantage of the present invention is: compared with prior art, and vibrational power flow of the present invention is more reasonable, is controlled the output torque of pneumatic actuator by pressure regulator valve adjustment suction pressure; The signal of temperature transducer and torque transducer receives the controller be arranged on pneumatic actuator by cable, can the output torque of temperature in the middle part of tracking and monitoring valve rod and pneumatic actuator, change suction pressure in conjunction with pressure regulator valve and guarantee that the closedown moment of valve is suitable, simultaneous temperature meets working condition requirement; And the first high temperature resistant disc spring is inner and leave gap between valve seat, leaves gap between the first high temperature resistant disc spring outer end and screw thread valve seat gland, under guaranteeing the condition of the effect of expanding with heat and contract with cold that valve causes in high/low temperature change, valve can not be swollen dead or stuck.Reasonable in design, structure be simple, easy to operate, open and close reliable operation, Security is good.
Below in conjunction with Figure of description and specific embodiment, the invention will be further described.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention;
Fig. 2 is the enlarged diagram in I portion in Fig. 1.
Embodiment
See Fig. 1 and Fig. 2, a kind of high-temperature molten salt segment ball valve disclosed by the invention, comprise valve body 1, valve gap 2, valve rod 3, eccentric valve ball 4, valve seat 5 and pneumatic actuator 6, described eccentric valve ball 4 and valve seat 5 are arranged in the cavity of valve body 1, described valve rod 3 upper end is connected with pneumatic actuator 6, valve rod 3 lower end is connected with eccentric valve ball 4 through valve gap 2, support 7 is provided with between described pneumatic actuator 6 and valve gap 2, described support 7 lower end is connected with valve gap 2 upper end, support 7 upper end is connected with pneumatic actuator 6, described support 7 is fixedly installed torque transducer 8, the gas source inlet place of described pneumatic actuator 6 is fixedly installed pressure regulator valve 9, the output torque that suction pressure controls pneumatic actuator 6 is adjusted by pressure regulator valve 9, the inside of described valve gap 2 is provided with temperature transducer 10, described pneumatic actuator 6 is fixedly installed controller 11, described controller 11 is provided with some cables 12, controller 11 is connected with torque transducer 8 and temperature transducer 10 respectively by cable 12, described valve seat 5 is provided with seal ring 13, described valve seat 5 is tightly connected by seal ring 13 and valve body 1 internal face, described valve seat 5 is outside equipped with screw thread valve seat gland 14, described screw thread valve seat gland 14 is threaded with valve body 1 internal face, the first high temperature resistant disc spring 15 is provided with between screw thread valve seat gland 14 and valve seat 5, and the first high temperature resistant disc spring 15 is inner and leave gap between valve seat 5, gap is left between first high temperature resistant disc spring 15 outer end and screw thread valve seat gland 14.
As preferably, described valve rod 3 upper end is connected by screw with the parts in pneumatic actuator 6 or is threaded; Valve rod 3 lower end is threaded with eccentric valve ball 4 or welds; Torque transducer 8 and support 7 are connected by screw fixing; Controller 11 and pneumatic actuator 6 are connected by screw; Pressure regulator valve 9 is threaded with the gas source inlet of pneumatic actuator 6; Temperature transducer 10 one end is embedded to be arranged in the valve rod mounting hole of valve gap 2, and temperature transducer 10 is threaded with valve gap 2 or is connected by screw.Described controller 11 is at least arranged 2 cables 12.
For making structure of the present invention more reasonable, as preferably, valve gap 2 described in the present embodiment is fixedly installed electric heat tracing device 16.Electric heat tracing device 16 and valve gap 2 are connected by screw.Electric heat tracing device 6 has the effect protecting mild heat, can reduce heat-energy losses, and electric heat tracing device 6 can heat up by electrified regulation when heat energy deficiency simultaneously, guarantees that the temperature at valve gap 2 position meets technological requirement.
Connecting stud 17 is provided with between described valve gap 2 lower end and valve body 1 upper end, described connecting stud 17 is provided with the second high temperature resistant disc spring 18 and nut 19, described nut 19 is threaded with connecting stud 17, and makes the second high temperature resistant disc spring 18 compress valve gap 2 by tightening nut 19.
Described eccentric valve ball 4 is semiglobe, and eccentric valve ball 4 back is welded with semicircular stiffening rib 20.
Described controller 11 is provided with display screen 21.
Be bolted bottom described support 7 upper end and pneumatic actuator 6, support 7 lower end and valve gap 2 upper end are bolted.
Valve rod 3 of the present invention and eccentric valve body 4 adopt the transmission of hexagonal axis hole to open and close moment, and intensity is large, and Security is good.
During practical application, controlled the output torque of pneumatic actuator by pressure regulator valve adjustment suction pressure; The signal of temperature transducer and torque transducer receives the controller be arranged on pneumatic actuator by cable, can the output torque of temperature in the middle part of tracking and monitoring valve rod and pneumatic actuator, change suction pressure in conjunction with pressure regulator valve and guarantee that the closedown moment of valve is suitable, simultaneous temperature meets working condition requirement; And the first high temperature resistant disc spring is inner and leave gap between valve seat, leaves gap between the first high temperature resistant disc spring outer end and screw thread valve seat gland, under guaranteeing the condition of the effect of expanding with heat and contract with cold that valve causes in high/low temperature change, valve can not be swollen dead or stuck.Reasonable in design, structure be simple, easy to operate, open and close reliable operation, Security is good.
Above-described embodiment is to specific descriptions of the present invention; only be used to further illustrate the present invention; can not be interpreted as limiting the scope of the present invention, the technician of related domain makes some nonessential improvement according to the content of foregoing invention to the present invention and adjustment all falls within protection scope of the present invention.
Claims (6)
1. a high-temperature molten salt segment ball valve, comprise valve body (1), valve gap (2), valve rod (3), eccentric valve ball (4), valve seat (5) and pneumatic actuator (6), described eccentric valve ball (4) and valve seat (5) are arranged in the cavity of valve body (1), described valve rod (3) upper end is connected with pneumatic actuator (6), valve rod (3) lower end is connected with eccentric valve ball (4) through valve gap (2), it is characterized in that: between described pneumatic actuator (6) and valve gap (2), be provided with support (7), described support (7) lower end is connected with valve gap (2) upper end, support (7) upper end is connected with pneumatic actuator (6), described support (7) is fixedly installed torque transducer (8), the gas source inlet place of described pneumatic actuator (6) is fixedly installed pressure regulator valve (9), the output torque of pneumatic actuator (6) is controlled by pressure regulator valve (9) adjustment suction pressure, the inside of described valve gap (2) is provided with temperature transducer (10), described pneumatic actuator (6) is fixedly installed controller (11), described controller (11) is provided with some cables (12), controller (11) is connected with torque transducer (8) and temperature transducer (10) respectively by cable, described valve seat (5) is provided with seal ring (13), described valve seat (5) is tightly connected by seal ring (13) and valve body (1) internal face, described valve seat (5) is outside equipped with screw thread valve seat gland (14), described screw thread valve seat gland (14) is threaded with valve body (1) internal face, the first high temperature resistant disc spring (15) is provided with between screw thread valve seat gland (14) and valve seat (5), and the first high temperature resistant disc spring (15) is inner and leave gap between valve seat (5), gap is left between first high temperature resistant disc spring (15) outer end and screw thread valve seat gland (14).
2. a kind of high-temperature molten salt segment ball valve according to claim 1, is characterized in that: described valve gap (14) is fixedly installed electric heat tracing device (16).
3. a kind of high-temperature molten salt segment ball valve according to claim 2, it is characterized in that: between described valve gap (2) lower end and valve body (1) upper end, be provided with connecting stud (17), described connecting stud (17) is provided with the second high temperature resistant disc spring (18) and nut (19), described nut (19) is threaded with connecting stud (17), and makes the second high temperature resistant disc spring (18) compress valve gap (2) by tightening nut (19).
4. a kind of high-temperature molten salt segment ball valve according to claim 1 or 2 or 3, is characterized in that: described eccentric valve ball (4) is semiglobe, and eccentric valve ball (4) back is welded with semicircular stiffening rib (20).
5. a kind of high-temperature molten salt segment ball valve according to claim 4, is characterized in that: described controller (11) is provided with display screen (21).
6. a kind of high-temperature molten salt segment ball valve according to claim 5, it is characterized in that: described support (7) upper end and pneumatic actuator (6) bottom are bolted, and support (7) lower end and valve gap (2) upper end are bolted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510759332.2A CN105257893B (en) | 2015-11-09 | 2015-11-09 | A kind of high-temperature molten salt segment ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510759332.2A CN105257893B (en) | 2015-11-09 | 2015-11-09 | A kind of high-temperature molten salt segment ball valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105257893A true CN105257893A (en) | 2016-01-20 |
| CN105257893B CN105257893B (en) | 2017-07-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510759332.2A Active CN105257893B (en) | 2015-11-09 | 2015-11-09 | A kind of high-temperature molten salt segment ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105257893B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108869758A (en) * | 2018-08-22 | 2018-11-23 | 杭州富尚阀门有限公司 | A kind of anti-leakage fused salt valve of crystallization-preventive |
| CN109404607A (en) * | 2017-08-18 | 2019-03-01 | 天津滨海光热技术研究院有限公司 | Integrated high temp fused salt valve heating device |
| CN110296226A (en) * | 2019-03-15 | 2019-10-01 | 青海中控太阳能发电有限公司 | A kind of self-cleaning operated pneumatic valve |
| CN110671506A (en) * | 2019-10-17 | 2020-01-10 | 太原纳新食品有限公司 | Lock nut type double-seal ring valve |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4253640A (en) * | 1979-03-14 | 1981-03-03 | Hills-Mccanna Company | Actuation system for valve with compound closure movement |
| CN2407193Y (en) * | 1999-11-30 | 2000-11-22 | 启东阀门厂 | Ball valve for blowing coal powder |
| CN2601334Y (en) * | 2002-12-27 | 2004-01-28 | 中国铝业股份有限公司 | High temp eccentric metal sealed semi-spherical valve |
| CN201284844Y (en) * | 2008-11-07 | 2009-08-05 | 朱崇新 | Non-abrasion ash-discharging ball valve |
| 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 |
| CN205118395U (en) * | 2015-11-09 | 2016-03-30 | 五洲阀门有限公司 | High temperature fused salt dissection ball valve |
-
2015
- 2015-11-09 CN CN201510759332.2A patent/CN105257893B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4253640A (en) * | 1979-03-14 | 1981-03-03 | Hills-Mccanna Company | Actuation system for valve with compound closure movement |
| CN2407193Y (en) * | 1999-11-30 | 2000-11-22 | 启东阀门厂 | Ball valve for blowing coal powder |
| CN2601334Y (en) * | 2002-12-27 | 2004-01-28 | 中国铝业股份有限公司 | High temp eccentric metal sealed semi-spherical valve |
| CN201284844Y (en) * | 2008-11-07 | 2009-08-05 | 朱崇新 | Non-abrasion ash-discharging ball valve |
| 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 |
| CN205118395U (en) * | 2015-11-09 | 2016-03-30 | 五洲阀门有限公司 | High temperature fused salt dissection ball valve |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109404607A (en) * | 2017-08-18 | 2019-03-01 | 天津滨海光热技术研究院有限公司 | Integrated high temp fused salt valve heating device |
| CN108869758A (en) * | 2018-08-22 | 2018-11-23 | 杭州富尚阀门有限公司 | A kind of anti-leakage fused salt valve of crystallization-preventive |
| CN108869758B (en) * | 2018-08-22 | 2024-02-13 | 杭州富尚阀门有限公司 | Crystallization-proof and leakage-proof molten salt valve |
| CN110296226A (en) * | 2019-03-15 | 2019-10-01 | 青海中控太阳能发电有限公司 | A kind of self-cleaning operated pneumatic valve |
| CN110296226B (en) * | 2019-03-15 | 2020-12-25 | 青海中控太阳能发电有限公司 | Self-cleaning pneumatic valve |
| CN110671506A (en) * | 2019-10-17 | 2020-01-10 | 太原纳新食品有限公司 | Lock nut type double-seal ring valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105257893B (en) | 2017-07-28 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: Wenzhou city Longwan District Yongqiang High-tech Industrial Park in Zhejiang province 325000 Applicant after: WuZhou Valve Co., Ltd. Address before: Yongqiang hi tech industry of Longwan District of Wenzhou City, Zhejiang province 325000 Park Wuzhou Valve Co. Ltd. Applicant before: Wuzhou Valve Co., Ltd. |
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| CB03 | Change of inventor or designer information |
Inventor after: Hu Jiantian Inventor after: Chen Xinghan Inventor after: Ge Xiangping Inventor after: Li Junhui Inventor after: Chen Changben Inventor after: Wang Cheng Inventor after: Tang Yisheng Inventor after: Ye Kaiqiang Inventor after: Lu Xiaohang Inventor before: Hu Jiantian Inventor before: Chen Xinghan Inventor before: Yan Xiangping Inventor before: Li Junhui Inventor before: Wang Cheng Inventor before: Tang Yisheng |
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| COR | Change of bibliographic data | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Hu Jiantian Inventor after: Wang Cheng Inventor after: Tang Yisheng Inventor after: Chen Xinghan Inventor after: Yan Xiangping Inventor after: Zheng Yifeng Inventor after: Chen Changben Inventor after: Yang Longjie Inventor after: Jiang Yilong Inventor after: Ye Kaiqiang Inventor after: Li Junhui Inventor before: Hu Jiantian Inventor before: Chen Xinghan Inventor before: Ge Xiangping Inventor before: Li Junhui Inventor before: Chen Changben Inventor before: Wang Cheng Inventor before: Tang Yisheng Inventor before: Ye Kaiqiang Inventor before: Lu Xiaohang |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A high temperature molten salt cutting ball valve Effective date of registration: 20211115 Granted publication date: 20170728 Pledgee: Zhejiang Commercial Bank Co.,Ltd. Wenzhou Longwan sub branch Pledgor: WUZHOU VALVE Co.,Ltd. Registration number: Y2021330002216 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |